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-rw-r--r--arch/arc/kernel/traps.c14
-rw-r--r--arch/arm/include/uapi/asm/siginfo.h13
-rw-r--r--arch/arm/kernel/ptrace.c8
-rw-r--r--arch/arm/vfp/vfpmodule.c2
-rw-r--r--arch/arm64/include/asm/compat.h64
-rw-r--r--arch/arm64/include/uapi/asm/siginfo.h21
-rw-r--r--arch/arm64/kernel/debug-monitors.c13
-rw-r--r--arch/arm64/kernel/fpsimd.c2
-rw-r--r--arch/arm64/kernel/ptrace.c42
-rw-r--r--arch/arm64/kernel/signal32.c80
-rw-r--r--arch/arm64/mm/fault.c114
-rw-r--r--arch/blackfin/include/uapi/asm/siginfo.h34
-rw-r--r--arch/frv/include/uapi/asm/Kbuild1
-rw-r--r--arch/frv/include/uapi/asm/siginfo.h13
-rw-r--r--arch/ia64/include/uapi/asm/siginfo.h96
-rw-r--r--arch/ia64/kernel/signal.c52
-rw-r--r--arch/m68k/mm/fault.c3
-rw-r--r--arch/metag/include/uapi/asm/siginfo.h7
-rw-r--r--arch/metag/kernel/traps.c2
-rw-r--r--arch/mips/include/asm/compat.h73
-rw-r--r--arch/mips/include/uapi/asm/siginfo.h86
-rw-r--r--arch/mips/kernel/signal32.c67
-rw-r--r--arch/mips/kernel/traps.c29
-rw-r--r--arch/mn10300/mm/misalignment.c2
-rw-r--r--arch/openrisc/kernel/traps.c10
-rw-r--r--arch/parisc/include/asm/compat.h64
-rw-r--r--arch/parisc/include/uapi/asm/siginfo.h7
-rw-r--r--arch/parisc/kernel/pdt.c2
-rw-r--r--arch/parisc/kernel/signal32.c106
-rw-r--r--arch/parisc/kernel/signal32.h3
-rw-r--r--arch/parisc/kernel/traps.c2
-rw-r--r--arch/powerpc/include/asm/compat.h65
-rw-r--r--arch/powerpc/include/asm/debug.h2
-rw-r--r--arch/powerpc/include/uapi/asm/siginfo.h16
-rw-r--r--arch/powerpc/kernel/mce.c2
-rw-r--r--arch/powerpc/kernel/process.c13
-rw-r--r--arch/powerpc/kernel/signal_32.c66
-rw-r--r--arch/powerpc/kernel/traps.c22
-rw-r--r--arch/powerpc/platforms/powernv/opal-memory-errors.c2
-rw-r--r--arch/s390/include/asm/compat.h73
-rw-r--r--arch/s390/kernel/compat_signal.c100
-rw-r--r--arch/sh/kernel/traps_32.c3
-rw-r--r--arch/sparc/include/asm/compat.h59
-rw-r--r--arch/sparc/kernel/signal32.c69
-rw-r--r--arch/tile/include/asm/compat.h62
-rw-r--r--arch/tile/include/uapi/asm/siginfo.h8
-rw-r--r--arch/tile/kernel/compat_signal.c73
-rw-r--r--arch/tile/kernel/single_step.c24
-rw-r--r--arch/tile/kernel/traps.c4
-rw-r--r--arch/tile/kernel/unaligned.c46
-rw-r--r--arch/um/kernel/trap.c2
-rw-r--r--arch/x86/include/asm/compat.h86
-rw-r--r--arch/x86/include/asm/fpu/signal.h6
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce.c6
-rw-r--r--arch/x86/kernel/signal_compat.c123
-rw-r--r--arch/xtensa/kernel/ptrace.c8
56 files changed, 270 insertions, 1702 deletions
diff --git a/arch/arc/kernel/traps.c b/arch/arc/kernel/traps.c
index 133a4dae41fe..b123558bf0bb 100644
--- a/arch/arc/kernel/traps.c
+++ b/arch/arc/kernel/traps.c
@@ -65,12 +65,14 @@ unhandled_exception(const char *str, struct pt_regs *regs, siginfo_t *info)
#define DO_ERROR_INFO(signr, str, name, sicode) \
int name(unsigned long address, struct pt_regs *regs) \
{ \
- siginfo_t info = { \
- .si_signo = signr, \
- .si_errno = 0, \
- .si_code = sicode, \
- .si_addr = (void __user *)address, \
- }; \
+ siginfo_t info; \
+ \
+ clear_siginfo(&info); \
+ info.si_signo = signr; \
+ info.si_errno = 0; \
+ info.si_code = sicode; \
+ info.si_addr = (void __user *)address; \
+ \
return unhandled_exception(str, regs, &info);\
}
diff --git a/arch/arm/include/uapi/asm/siginfo.h b/arch/arm/include/uapi/asm/siginfo.h
new file mode 100644
index 000000000000..d0513880be21
--- /dev/null
+++ b/arch/arm/include/uapi/asm/siginfo.h
@@ -0,0 +1,13 @@
+#ifndef __ASM_SIGINFO_H
+#define __ASM_SIGINFO_H
+
+#include <asm-generic/siginfo.h>
+
+/*
+ * SIGFPE si_codes
+ */
+#ifdef __KERNEL__
+#define FPE_FIXME 0 /* Broken dup of SI_USER */
+#endif /* __KERNEL__ */
+
+#endif
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index 58e3771e4c5b..7724b0f661b3 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -390,7 +390,6 @@ static void ptrace_hbptriggered(struct perf_event *bp,
struct arch_hw_breakpoint *bkpt = counter_arch_bp(bp);
long num;
int i;
- siginfo_t info;
for (i = 0; i < ARM_MAX_HBP_SLOTS; ++i)
if (current->thread.debug.hbp[i] == bp)
@@ -398,12 +397,7 @@ static void ptrace_hbptriggered(struct perf_event *bp,
num = (i == ARM_MAX_HBP_SLOTS) ? 0 : ptrace_hbp_idx_to_num(i);
- info.si_signo = SIGTRAP;
- info.si_errno = (int)num;
- info.si_code = TRAP_HWBKPT;
- info.si_addr = (void __user *)(bkpt->trigger);
-
- force_sig_info(SIGTRAP, &info, current);
+ force_sig_ptrace_errno_trap((int)num, (void __user *)(bkpt->trigger));
}
/*
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index a71a48e71fff..03c6a3c72f9c 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -257,7 +257,7 @@ static void vfp_raise_exceptions(u32 exceptions, u32 inst, u32 fpscr, struct pt_
if (exceptions == VFP_EXCEPTION_ERROR) {
vfp_panic("unhandled bounce", inst);
- vfp_raise_sigfpe(0, regs);
+ vfp_raise_sigfpe(FPE_FIXME, regs);
return;
}
diff --git a/arch/arm64/include/asm/compat.h b/arch/arm64/include/asm/compat.h
index a3c7f271ad4c..c00c62e1a4a3 100644
--- a/arch/arm64/include/asm/compat.h
+++ b/arch/arm64/include/asm/compat.h
@@ -150,70 +150,6 @@ typedef u32 compat_old_sigset_t;
typedef u32 compat_sigset_word;
-typedef union compat_sigval {
- compat_int_t sival_int;
- compat_uptr_t sival_ptr;
-} compat_sigval_t;
-
-typedef struct compat_siginfo {
- int si_signo;
- int si_errno;
- int si_code;
-
- union {
- int _pad[128/sizeof(int) - 3];
-
- /* kill() */
- struct {
- compat_pid_t _pid; /* sender's pid */
- __compat_uid32_t _uid; /* sender's uid */
- } _kill;
-
- /* POSIX.1b timers */
- struct {
- compat_timer_t _tid; /* timer id */
- int _overrun; /* overrun count */
- compat_sigval_t _sigval; /* same as below */
- int _sys_private; /* not to be passed to user */
- } _timer;
-
- /* POSIX.1b signals */
- struct {
- compat_pid_t _pid; /* sender's pid */
- __compat_uid32_t _uid; /* sender's uid */
- compat_sigval_t _sigval;
- } _rt;
-
- /* SIGCHLD */
- struct {
- compat_pid_t _pid; /* which child */
- __compat_uid32_t _uid; /* sender's uid */
- int _status; /* exit code */
- compat_clock_t _utime;
- compat_clock_t _stime;
- } _sigchld;
-
- /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
- struct {
- compat_uptr_t _addr; /* faulting insn/memory ref. */
- short _addr_lsb; /* LSB of the reported address */
- } _sigfault;
-
- /* SIGPOLL */
- struct {
- compat_long_t _band; /* POLL_IN, POLL_OUT, POLL_MSG */
- int _fd;
- } _sigpoll;
-
- /* SIGSYS */
- struct {
- compat_uptr_t _call_addr; /* calling user insn */
- int _syscall; /* triggering system call number */
- compat_uint_t _arch; /* AUDIT_ARCH_* of syscall */
- } _sigsys;
- } _sifields;
-} compat_siginfo_t;
-
#define COMPAT_OFF_T_MAX 0x7fffffff
/*
diff --git a/arch/arm64/include/uapi/asm/siginfo.h b/arch/arm64/include/uapi/asm/siginfo.h
index 574d12f86039..9b4d91277742 100644
--- a/arch/arm64/include/uapi/asm/siginfo.h
+++ b/arch/arm64/include/uapi/asm/siginfo.h
@@ -21,4 +21,25 @@
#include <asm-generic/siginfo.h>
+/*
+ * SIGFPE si_codes
+ */
+#ifdef __KERNEL__
+#define FPE_FIXME 0 /* Broken dup of SI_USER */
+#endif /* __KERNEL__ */
+
+/*
+ * SIGBUS si_codes
+ */
+#ifdef __KERNEL__
+#define BUS_FIXME 0 /* Broken dup of SI_USER */
+#endif /* __KERNEL__ */
+
+/*
+ * SIGTRAP si_codes
+ */
+#ifdef __KERNEL__
+#define TRAP_FIXME 0 /* Broken dup of SI_USER */
+#endif /* __KERNEL__ */
+
#endif
diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c
index a88b6ccebbb4..53781f5687c5 100644
--- a/arch/arm64/kernel/debug-monitors.c
+++ b/arch/arm64/kernel/debug-monitors.c
@@ -209,12 +209,13 @@ NOKPROBE_SYMBOL(call_step_hook);
static void send_user_sigtrap(int si_code)
{
struct pt_regs *regs = current_pt_regs();
- siginfo_t info = {
- .si_signo = SIGTRAP,
- .si_errno = 0,
- .si_code = si_code,
- .si_addr = (void __user *)instruction_pointer(regs),
- };
+ siginfo_t info;
+
+ clear_siginfo(&info);
+ info.si_signo = SIGTRAP;
+ info.si_errno = 0;
+ info.si_code = si_code;
+ info.si_addr = (void __user *)instruction_pointer(regs);
if (WARN_ON(!user_mode(regs)))
return;
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index 55fb544072f6..e7226c4c7493 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -867,7 +867,7 @@ asmlinkage void do_fpsimd_acc(unsigned int esr, struct pt_regs *regs)
asmlinkage void do_fpsimd_exc(unsigned int esr, struct pt_regs *regs)
{
siginfo_t info;
- unsigned int si_code = 0;
+ unsigned int si_code = FPE_FIXME;
if (esr & FPEXC_IOF)
si_code = FPE_FLTINV;
diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
index 7c44658b316d..6618036ae6d4 100644
--- a/arch/arm64/kernel/ptrace.c
+++ b/arch/arm64/kernel/ptrace.c
@@ -180,34 +180,34 @@ static void ptrace_hbptriggered(struct perf_event *bp,
struct pt_regs *regs)
{
struct arch_hw_breakpoint *bkpt = counter_arch_bp(bp);
- siginfo_t info = {
- .si_signo = SIGTRAP,
- .si_errno = 0,
- .si_code = TRAP_HWBKPT,
- .si_addr = (void __user *)(bkpt->trigger),
- };
+ siginfo_t info;
-#ifdef CONFIG_COMPAT
- int i;
+ clear_siginfo(&info);
+ info.si_signo = SIGTRAP;
+ info.si_errno = 0;
+ info.si_code = TRAP_HWBKPT;
+ info.si_addr = (void __user *)(bkpt->trigger);
- if (!is_compat_task())
- goto send_sig;
+#ifdef CONFIG_COMPAT
+ if (is_compat_task()) {
+ int si_errno = 0;
+ int i;
- for (i = 0; i < ARM_MAX_BRP; ++i) {
- if (current->thread.debug.hbp_break[i] == bp) {
- info.si_errno = (i << 1) + 1;
- break;
+ for (i = 0; i < ARM_MAX_BRP; ++i) {
+ if (current->thread.debug.hbp_break[i] == bp) {
+ si_errno = (i << 1) + 1;
+ break;
+ }
}
- }
- for (i = 0; i < ARM_MAX_WRP; ++i) {
- if (current->thread.debug.hbp_watch[i] == bp) {
- info.si_errno = -((i << 1) + 1);
- break;
+ for (i = 0; i < ARM_MAX_WRP; ++i) {
+ if (current->thread.debug.hbp_watch[i] == bp) {
+ si_errno = -((i << 1) + 1);
+ break;
+ }
}
+ force_sig_ptrace_errno_trap(si_errno, (void __user *)bkpt->trigger);
}
-
-send_sig:
#endif
force_sig_info(SIGTRAP, &info, current);
}
diff --git a/arch/arm64/kernel/signal32.c b/arch/arm64/kernel/signal32.c
index a124140c0926..79feb861929b 100644
--- a/arch/arm64/kernel/signal32.c
+++ b/arch/arm64/kernel/signal32.c
@@ -125,86 +125,6 @@ static inline int get_sigset_t(sigset_t *set,
return 0;
}
-int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from)
-{
- int err;
-
- if (!access_ok(VERIFY_WRITE, to, sizeof(*to)))
- return -EFAULT;
-
- /* If you change siginfo_t structure, please be sure
- * this code is fixed accordingly.
- * It should never copy any pad contained in the structure
- * to avoid security leaks, but must copy the generic
- * 3 ints plus the relevant union member.
- * This routine must convert siginfo from 64bit to 32bit as well
- * at the same time.
- */
- err = __put_user(from->si_signo, &to->si_signo);
- err |= __put_user(from->si_errno, &to->si_errno);
- err |= __put_user(from->si_code, &to->si_code);
- if (from->si_code < 0)
- err |= __copy_to_user(&to->_sifields._pad, &from->_sifields._pad,
- SI_PAD_SIZE);
- else switch (siginfo_layout(from->si_signo, from->si_code)) {
- case SIL_KILL:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- break;
- case SIL_TIMER:
- err |= __put_user(from->si_tid, &to->si_tid);
- err |= __put_user(from->si_overrun, &to->si_overrun);
- err |= __put_user(from->si_int, &to->si_int);
- break;
- case SIL_POLL:
- err |= __put_user(from->si_band, &to->si_band);
- err |= __put_user(from->si_fd, &to->si_fd);
- break;
- case SIL_FAULT:
- err |= __put_user((compat_uptr_t)(unsigned long)from->si_addr,
- &to->si_addr);
-#ifdef BUS_MCEERR_AO
- /*
- * Other callers might not initialize the si_lsb field,
- * so check explicitly for the right codes here.
- */
- if (from->si_signo == SIGBUS &&
- (from->si_code == BUS_MCEERR_AR || from->si_code == BUS_MCEERR_AO))
- err |= __put_user(from->si_addr_lsb, &to->si_addr_lsb);
-#endif
- break;
- case SIL_CHLD:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- err |= __put_user(from->si_status, &to->si_status);
- err |= __put_user(from->si_utime, &to->si_utime);
- err |= __put_user(from->si_stime, &to->si_stime);
- break;
- case SIL_RT:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- err |= __put_user(from->si_int, &to->si_int);
- break;
- case SIL_SYS:
- err |= __put_user((compat_uptr_t)(unsigned long)
- from->si_call_addr, &to->si_call_addr);
- err |= __put_user(from->si_syscall, &to->si_syscall);
- err |= __put_user(from->si_arch, &to->si_arch);
- break;
- }
- return err;
-}
-
-int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
-{
- if (copy_from_user(to, from, __ARCH_SI_PREAMBLE_SIZE) ||
- copy_from_user(to->_sifields._pad,
- from->_sifields._pad, SI_PAD_SIZE))
- return -EFAULT;
-
- return 0;
-}
-
/*
* VFP save/restore code.
*
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index 6c30cf92f492..ce441d29e7f6 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -596,7 +596,7 @@ static int do_sea(unsigned long addr, unsigned int esr, struct pt_regs *regs)
info.si_signo = SIGBUS;
info.si_errno = 0;
- info.si_code = 0;
+ info.si_code = BUS_FIXME;
if (esr & ESR_ELx_FnV)
info.si_addr = NULL;
else
@@ -607,70 +607,70 @@ static int do_sea(unsigned long addr, unsigned int esr, struct pt_regs *regs)
}
static const struct fault_info fault_info[] = {
- { do_bad, SIGBUS, 0, "ttbr address size fault" },
- { do_bad, SIGBUS, 0, "level 1 address size fault" },
- { do_bad, SIGBUS, 0, "level 2 address size fault" },
- { do_bad, SIGBUS, 0, "level 3 address size fault" },
+ { do_bad, SIGBUS, BUS_FIXME, "ttbr address size fault" },
+ { do_bad, SIGBUS, BUS_FIXME, "level 1 address size fault" },
+ { do_bad, SIGBUS, BUS_FIXME, "level 2 address size fault" },
+ { do_bad, SIGBUS, BUS_FIXME, "level 3 address size fault" },
{ do_translation_fault, SIGSEGV, SEGV_MAPERR, "level 0 translation fault" },
{ do_translation_fault, SIGSEGV, SEGV_MAPERR, "level 1 translation fault" },
{ do_translation_fault, SIGSEGV, SEGV_MAPERR, "level 2 translation fault" },
{ do_translation_fault, SIGSEGV, SEGV_MAPERR, "level 3 translation fault" },
- { do_bad, SIGBUS, 0, "unknown 8" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 8" },
{ do_page_fault, SIGSEGV, SEGV_ACCERR, "level 1 access flag fault" },
{ do_page_fault, SIGSEGV, SEGV_ACCERR, "level 2 access flag fault" },
{ do_page_fault, SIGSEGV, SEGV_ACCERR, "level 3 access flag fault" },
- { do_bad, SIGBUS, 0, "unknown 12" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 12" },
{ do_page_fault, SIGSEGV, SEGV_ACCERR, "level 1 permission fault" },
{ do_page_fault, SIGSEGV, SEGV_ACCERR, "level 2 permission fault" },
{ do_page_fault, SIGSEGV, SEGV_ACCERR, "level 3 permission fault" },
- { do_sea, SIGBUS, 0, "synchronous external abort" },
- { do_bad, SIGBUS, 0, "unknown 17" },
- { do_bad, SIGBUS, 0, "unknown 18" },
- { do_bad, SIGBUS, 0, "unknown 19" },
- { do_sea, SIGBUS, 0, "level 0 (translation table walk)" },
- { do_sea, SIGBUS, 0, "level 1 (translation table walk)" },
- { do_sea, SIGBUS, 0, "level 2 (translation table walk)" },
- { do_sea, SIGBUS, 0, "level 3 (translation table walk)" },
- { do_sea, SIGBUS, 0, "synchronous parity or ECC error" }, // Reserved when RAS is implemented
- { do_bad, SIGBUS, 0, "unknown 25" },
- { do_bad, SIGBUS, 0, "unknown 26" },
- { do_bad, SIGBUS, 0, "unknown 27" },
- { do_sea, SIGBUS, 0, "level 0 synchronous parity error (translation table walk)" }, // Reserved when RAS is implemented
- { do_sea, SIGBUS, 0, "level 1 synchronous parity error (translation table walk)" }, // Reserved when RAS is implemented
- { do_sea, SIGBUS, 0, "level 2 synchronous parity error (translation table walk)" }, // Reserved when RAS is implemented
- { do_sea, SIGBUS, 0, "level 3 synchronous parity error (translation table walk)" }, // Reserved when RAS is implemented
- { do_bad, SIGBUS, 0, "unknown 32" },
+ { do_sea, SIGBUS, BUS_FIXME, "synchronous external abort" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 17" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 18" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 19" },
+ { do_sea, SIGBUS, BUS_FIXME, "level 0 (translation table walk)" },
+ { do_sea, SIGBUS, BUS_FIXME, "level 1 (translation table walk)" },
+ { do_sea, SIGBUS, BUS_FIXME, "level 2 (translation table walk)" },
+ { do_sea, SIGBUS, BUS_FIXME, "level 3 (translation table walk)" },
+ { do_sea, SIGBUS, BUS_FIXME, "synchronous parity or ECC error" }, // Reserved when RAS is implemented
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 25" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 26" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 27" },
+ { do_sea, SIGBUS, BUS_FIXME, "level 0 synchronous parity error (translation table walk)" }, // Reserved when RAS is implemented
+ { do_sea, SIGBUS, BUS_FIXME, "level 1 synchronous parity error (translation table walk)" }, // Reserved when RAS is implemented
+ { do_sea, SIGBUS, BUS_FIXME, "level 2 synchronous parity error (translation table walk)" }, // Reserved when RAS is implemented
+ { do_sea, SIGBUS, BUS_FIXME, "level 3 synchronous parity error (translation table walk)" }, // Reserved when RAS is implemented
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 32" },
{ do_alignment_fault, SIGBUS, BUS_ADRALN, "alignment fault" },
- { do_bad, SIGBUS, 0, "unknown 34" },
- { do_bad, SIGBUS, 0, "unknown 35" },
- { do_bad, SIGBUS, 0, "unknown 36" },
- { do_bad, SIGBUS, 0, "unknown 37" },
- { do_bad, SIGBUS, 0, "unknown 38" },
- { do_bad, SIGBUS, 0, "unknown 39" },
- { do_bad, SIGBUS, 0, "unknown 40" },
- { do_bad, SIGBUS, 0, "unknown 41" },
- { do_bad, SIGBUS, 0, "unknown 42" },
- { do_bad, SIGBUS, 0, "unknown 43" },
- { do_bad, SIGBUS, 0, "unknown 44" },
- { do_bad, SIGBUS, 0, "unknown 45" },
- { do_bad, SIGBUS, 0, "unknown 46" },
- { do_bad, SIGBUS, 0, "unknown 47" },
- { do_bad, SIGBUS, 0, "TLB conflict abort" },
- { do_bad, SIGBUS, 0, "Unsupported atomic hardware update fault" },
- { do_bad, SIGBUS, 0, "unknown 50" },
- { do_bad, SIGBUS, 0, "unknown 51" },
- { do_bad, SIGBUS, 0, "implementation fault (lockdown abort)" },
- { do_bad, SIGBUS, 0, "implementation fault (unsupported exclusive)" },
- { do_bad, SIGBUS, 0, "unknown 54" },
- { do_bad, SIGBUS, 0, "unknown 55" },
- { do_bad, SIGBUS, 0, "unknown 56" },
- { do_bad, SIGBUS, 0, "unknown 57" },
- { do_bad, SIGBUS, 0, "unknown 58" },
- { do_bad, SIGBUS, 0, "unknown 59" },
- { do_bad, SIGBUS, 0, "unknown 60" },
- { do_bad, SIGBUS, 0, "section domain fault" },
- { do_bad, SIGBUS, 0, "page domain fault" },
- { do_bad, SIGBUS, 0, "unknown 63" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 34" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 35" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 36" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 37" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 38" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 39" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 40" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 41" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 42" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 43" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 44" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 45" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 46" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 47" },
+ { do_bad, SIGBUS, BUS_FIXME, "TLB conflict abort" },
+ { do_bad, SIGBUS, BUS_FIXME, "Unsupported atomic hardware update fault" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 50" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 51" },
+ { do_bad, SIGBUS, BUS_FIXME, "implementation fault (lockdown abort)" },
+ { do_bad, SIGBUS, BUS_FIXME, "implementation fault (unsupported exclusive)" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 54" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 55" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 56" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 57" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 58" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 59" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 60" },
+ { do_bad, SIGBUS, BUS_FIXME, "section domain fault" },
+ { do_bad, SIGBUS, BUS_FIXME, "page domain fault" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 63" },
};
int handle_guest_sea(phys_addr_t addr, unsigned int esr)
@@ -756,11 +756,11 @@ static struct fault_info __refdata debug_fault_info[] = {
{ do_bad, SIGTRAP, TRAP_HWBKPT, "hardware breakpoint" },
{ do_bad, SIGTRAP, TRAP_HWBKPT, "hardware single-step" },
{ do_bad, SIGTRAP, TRAP_HWBKPT, "hardware watchpoint" },
- { do_bad, SIGBUS, 0, "unknown 3" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 3" },
{ do_bad, SIGTRAP, TRAP_BRKPT, "aarch32 BKPT" },
- { do_bad, SIGTRAP, 0, "aarch32 vector catch" },
+ { do_bad, SIGTRAP, TRAP_FIXME, "aarch32 vector catch" },
{ early_brk64, SIGTRAP, TRAP_BRKPT, "aarch64 BRK" },
- { do_bad, SIGBUS, 0, "unknown 7" },
+ { do_bad, SIGBUS, BUS_FIXME, "unknown 7" },
};
void __init hook_debug_fault_code(int nr,
diff --git a/arch/blackfin/include/uapi/asm/siginfo.h b/arch/blackfin/include/uapi/asm/siginfo.h
index b1db506c8d2e..2dd8c9c39248 100644
--- a/arch/blackfin/include/uapi/asm/siginfo.h
+++ b/arch/blackfin/include/uapi/asm/siginfo.h
@@ -11,40 +11,6 @@
#include <linux/types.h>
#include <asm-generic/siginfo.h>
-#define UID16_SIGINFO_COMPAT_NEEDED
-
#define si_uid16 _sifields._kill._uid
-#define ILL_ILLPARAOP 2 /* illegal opcode combine ********** */
-#define ILL_ILLEXCPT 4 /* unrecoverable exception ********** */
-#define ILL_CPLB_VI 9 /* D/I CPLB protect violation ******** */
-#define ILL_CPLB_MISS 10 /* D/I CPLB miss ******** */
-#define ILL_CPLB_MULHIT 11 /* D/I CPLB multiple hit ******** */
-#undef NSIGILL
-#define NSIGILL 11
-
-/*
- * SIGBUS si_codes
- */
-#define BUS_OPFETCH 4 /* error from instruction fetch ******** */
-#undef NSIGBUS
-#define NSIGBUS 4
-
-/*
- * SIGTRAP si_codes
- */
-#define TRAP_STEP 1 /* single-step breakpoint************* */
-#define TRAP_TRACEFLOW 2 /* trace buffer overflow ************* */
-#define TRAP_WATCHPT 3 /* watchpoint match ************* */
-#define TRAP_ILLTRAP 4 /* illegal trap ************* */
-#undef NSIGTRAP
-#define NSIGTRAP 4
-
-/*
- * SIGSEGV si_codes
- */
-#define SEGV_STACKFLOW 3 /* stack overflow */
-#undef NSIGSEGV
-#define NSIGSEGV 3
-
#endif /* _UAPI_BFIN_SIGINFO_H */
diff --git a/arch/frv/include/uapi/asm/Kbuild b/arch/frv/include/uapi/asm/Kbuild
index 14a2e9af97e9..5354b0f84d41 100644
--- a/arch/frv/include/uapi/asm/Kbuild
+++ b/arch/frv/include/uapi/asm/Kbuild
@@ -1,4 +1,5 @@
# UAPI Header export list
include include/uapi/asm-generic/Kbuild.asm
+generic-y += siginfo.h
generic-y += bpf_perf_event.h
diff --git a/arch/frv/include/uapi/asm/siginfo.h b/arch/frv/include/uapi/asm/siginfo.h
deleted file mode 100644
index 4c8c975747ac..000000000000
--- a/arch/frv/include/uapi/asm/siginfo.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef _ASM_SIGINFO_H
-#define _ASM_SIGINFO_H
-
-#include <linux/types.h>
-#include <asm-generic/siginfo.h>
-
-#define FPE_MDAOVF 9 /* media overflow */
-#undef NSIGFPE
-#define NSIGFPE 9
-
-#endif
-
diff --git a/arch/ia64/include/uapi/asm/siginfo.h b/arch/ia64/include/uapi/asm/siginfo.h
index f3a02a10c3a3..5aa454ed89db 100644
--- a/arch/ia64/include/uapi/asm/siginfo.h
+++ b/arch/ia64/include/uapi/asm/siginfo.h
@@ -11,77 +11,8 @@
#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
-#define HAVE_ARCH_SIGINFO_T
-#define HAVE_ARCH_COPY_SIGINFO_TO_USER
-
#include <asm-generic/siginfo.h>
-typedef struct siginfo {
- int si_signo;
- int si_errno;
- int si_code;
- int __pad0;
-
- union {
- int _pad[SI_PAD_SIZE];
-
- /* kill() */
- struct {
- pid_t _pid; /* sender's pid */
- uid_t _uid; /* sender's uid */
- } _kill;
-
- /* POSIX.1b timers */
- struct {
- timer_t _tid; /* timer id */
- int _overrun; /* overrun count */
- char _pad[sizeof(__ARCH_SI_UID_T) - sizeof(int)];
- sigval_t _sigval; /* must overlay ._rt._sigval! */
- int _sys_private; /* not to be passed to user */
- } _timer;
-
- /* POSIX.1b signals */
- struct {
- pid_t _pid; /* sender's pid */
- uid_t _uid; /* sender's uid */
- sigval_t _sigval;
- } _rt;
-
- /* SIGCHLD */
- struct {
- pid_t _pid; /* which child */
- uid_t _uid; /* sender's uid */
- int _status; /* exit code */
- clock_t _utime;
- clock_t _stime;
- } _sigchld;
-
- /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
- struct {
- void __user *_addr; /* faulting insn/memory ref. */
- int _imm; /* immediate value for "break" */
- unsigned int _flags; /* see below */
- unsigned long _isr; /* isr */
- short _addr_lsb; /* lsb of faulting address */
- union {
- /* used when si_code=SEGV_BNDERR */
- struct {
- void __user *_lower;
- void __user *_upper;
- } _addr_bnd;
- /* used when si_code=SEGV_PKUERR */
- __u32 _pkey;
- };
- } _sigfault;
-
- /* SIGPOLL */
- struct {
- long _band; /* POLL_IN, POLL_OUT, POLL_MSG (XPG requires a "long") */
- int _fd;
- } _sigpoll;
- } _sifields;
-} siginfo_t;
-
#define si_imm _sifields._sigfault._imm /* as per UNIX SysV ABI spec */
#define si_flags _sifields._sigfault._flags
/*
@@ -97,37 +28,10 @@ typedef struct siginfo {
#define __ISR_VALID (1 << __ISR_VALID_BIT)
/*
- * SIGILL si_codes
- */
-#define ILL_BADIADDR 9 /* unimplemented instruction address */
-#define __ILL_BREAK 10 /* illegal break */
-#define __ILL_BNDMOD 11 /* bundle-update (modification) in progress */
-#undef NSIGILL
-#define NSIGILL 11
-
-/*
* SIGFPE si_codes
*/
#ifdef __KERNEL__
#define FPE_FIXME 0 /* Broken dup of SI_USER */
#endif /* __KERNEL__ */
-#define __FPE_DECOVF 9 /* decimal overflow */
-#define __FPE_DECDIV 10 /* decimal division by zero */
-#define __FPE_DECERR 11 /* packed decimal error */
-#define __FPE_INVASC 12 /* invalid ASCII digit */
-#define __FPE_INVDEC 13 /* invalid decimal digit */
-#undef NSIGFPE
-#define NSIGFPE 13
-
-/*
- * SIGSEGV si_codes
- */
-#define __SEGV_PSTKOVF 4 /* paragraph stack overflow */
-#undef NSIGSEGV
-#define NSIGSEGV 4
-
-#undef NSIGTRAP
-#define NSIGTRAP 4
-
#endif /* _UAPI_ASM_IA64_SIGINFO_H */
diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c
index a254cc98f95c..54547c7cf8a2 100644
--- a/arch/ia64/kernel/signal.c
+++ b/arch/ia64/kernel/signal.c
@@ -105,58 +105,6 @@ restore_sigcontext (struct sigcontext __user *sc, struct sigscratch *scr)
return err;
}
-int
-copy_siginfo_to_user (siginfo_t __user *to, const siginfo_t *from)
-{
- if (!access_ok(VERIFY_WRITE, to, sizeof(siginfo_t)))
- return -EFAULT;
- if (from->si_code < 0) {
- if (__copy_to_user(to, from, sizeof(siginfo_t)))
- return -EFAULT;
- return 0;
- } else {
- int err;
-
- /*
- * If you change siginfo_t structure, please be sure this code is fixed
- * accordingly. It should never copy any pad contained in the structure
- * to avoid security leaks, but must copy the generic 3 ints plus the
- * relevant union member.
- */
- err = __put_user(from->si_signo, &to->si_signo);
- err |= __put_user(from->si_errno, &to->si_errno);
- err |= __put_user(from->si_code, &to->si_code);
- switch (siginfo_layout(from->si_signo, from->si_code)) {
- case SIL_FAULT:
- err |= __put_user(from->si_flags, &to->si_flags);
- err |= __put_user(from->si_isr, &to->si_isr);
- case SIL_POLL:
- err |= __put_user(from->si_addr, &to->si_addr);
- err |= __put_user(from->si_imm, &to->si_imm);
- break;
- case SIL_TIMER:
- err |= __put_user(from->si_tid, &to->si_tid);
- err |= __put_user(from->si_overrun, &to->si_overrun);
- err |= __put_user(from->si_ptr, &to->si_ptr);
- break;
- case SIL_RT:
- err |= __put_user(from->si_uid, &to->si_uid);
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_ptr, &to->si_ptr);
- break;
- case SIL_CHLD:
- err |= __put_user(from->si_utime, &to->si_utime);
- err |= __put_user(from->si_stime, &to->si_stime);
- err |= __put_user(from->si_status, &to->si_status);
- case SIL_KILL:
- err |= __put_user(from->si_uid, &to->si_uid);
- err |= __put_user(from->si_pid, &to->si_pid);
- break;
- }
- return err;
- }
-}
-
long
ia64_rt_sigreturn (struct sigscratch *scr)
{
diff --git a/arch/m68k/mm/fault.c b/arch/m68k/mm/fault.c
index 127d7c1f2090..03253c4f8e6a 100644
--- a/arch/m68k/mm/fault.c
+++ b/arch/m68k/mm/fault.c
@@ -21,8 +21,9 @@ extern void die_if_kernel(char *, struct pt_regs *, long);
int send_fault_sig(struct pt_regs *regs)
{
- siginfo_t siginfo = { 0, 0, 0, };
+ siginfo_t siginfo;
+ clear_siginfo(&siginfo);
siginfo.si_signo = current->thread.signo;
siginfo.si_code = current->thread.code;
siginfo.si_addr = (void *)current->thread.faddr;
diff --git a/arch/metag/include/uapi/asm/siginfo.h b/arch/metag/include/uapi/asm/siginfo.h
index b54ef7186ca3..9a3f6cde9487 100644
--- a/arch/metag/include/uapi/asm/siginfo.h
+++ b/arch/metag/include/uapi/asm/siginfo.h
@@ -6,4 +6,11 @@
#include <asm-generic/siginfo.h>
+/*
+ * SIGFPE si_codes
+ */
+#ifdef __KERNEL__
+#define FPE_FIXME 0 /* Broken dup of SI_USER */
+#endif /* __KERNEL__ */
+
#endif
diff --git a/arch/metag/kernel/traps.c b/arch/metag/kernel/traps.c
index 444851e510d5..3b62b1b0c0b5 100644
--- a/arch/metag/kernel/traps.c
+++ b/arch/metag/kernel/traps.c
@@ -735,7 +735,7 @@ TBIRES fpe_handler(TBIRES State, int SigNum, int Triggers, int Inst, PTBI pTBI)
else if (error_state & TXSTAT_FPE_INEXACT_BIT)
info.si_code = FPE_FLTRES;
else
- info.si_code = 0;
+ info.si_code = FPE_FIXME;
info.si_errno = 0;
info.si_addr = (__force void __user *)regs->ctx.CurrPC;
force_sig_info(SIGFPE, &info, current);
diff --git a/arch/mips/include/asm/compat.h b/arch/mips/include/asm/compat.h
index 49691331ada4..946681db8dc3 100644
--- a/arch/mips/include/asm/compat.h
+++ b/arch/mips/include/asm/compat.h
@@ -126,79 +126,6 @@ typedef u32 compat_old_sigset_t; /* at least 32 bits */
typedef u32 compat_sigset_word;
-typedef union compat_sigval {
- compat_int_t sival_int;
- compat_uptr_t sival_ptr;
-} compat_sigval_t;
-
-/* Can't use the generic version because si_code and si_errno are swapped */
-
-#define SI_PAD_SIZE32 (128/sizeof(int) - 3)
-
-typedef struct compat_siginfo {
- int si_signo;
- int si_code;
- int si_errno;
-
- union {
- int _pad[128 / sizeof(int) - 3];
-
- /* kill() */
- struct {
- compat_pid_t _pid; /* sender's pid */
- __compat_uid32_t _uid; /* sender's uid */
- } _kill;
-
- /* POSIX.1b timers */
- struct {
- compat_timer_t _tid; /* timer id */
- int _overrun; /* overrun count */
- compat_sigval_t _sigval; /* same as below */
- } _timer;
-
- /* POSIX.1b signals */
- struct {
- compat_pid_t _pid; /* sender's pid */
- __compat_uid32_t _uid; /* sender's uid */
- compat_sigval_t _sigval;
- } _rt;
-
- /* SIGCHLD */
- struct {
- compat_pid_t _pid; /* which child */
- __compat_uid32_t _uid; /* sender's uid */
- int _status; /* exit code */
- compat_clock_t _utime;
- compat_clock_t _stime;
- } _sigchld;
-
- /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
- struct {
- compat_uptr_t _addr; /* faulting insn/memory ref. */
-#ifdef __ARCH_SI_TRAPNO
- int _trapno; /* TRAP # which caused the signal */
-#endif
- short _addr_lsb; /* LSB of the reported address */
- struct {
- compat_uptr_t _lower;
- compat_uptr_t _upper;
- } _addr_bnd;
- } _sigfault;
-
- /* SIGPOLL */
- struct {
- compat_long_t _band; /* POLL_IN, POLL_OUT, POLL_MSG */
- int _fd;
- } _sigpoll;
-
- struct {
- compat_uptr_t _call_addr; /* calling insn */
- int _syscall; /* triggering system call number */
- compat_uint_t _arch; /* AUDIT_ARCH_* of syscall */
- } _sigsys;
- } _sifields;
-} compat_siginfo_t;
-
#define COMPAT_OFF_T_MAX 0x7fffffff
/*
diff --git a/arch/mips/include/uapi/asm/siginfo.h b/arch/mips/include/uapi/asm/siginfo.h
index f17d8163dec6..262504bd59a5 100644
--- a/arch/mips/include/uapi/asm/siginfo.h
+++ b/arch/mips/include/uapi/asm/siginfo.h
@@ -14,8 +14,6 @@
#define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(long) + 2*sizeof(int))
#undef __ARCH_SI_TRAPNO /* exception code needs to fill this ... */
-#define HAVE_ARCH_SIGINFO_T
-
/*
* Careful to keep union _sifields from shifting ...
*/
@@ -27,92 +25,10 @@
#error _MIPS_SZLONG neither 32 nor 64
#endif
-#define __ARCH_SIGSYS
+#define __ARCH_HAS_SWAPPED_SIGINFO
#include <asm-generic/siginfo.h>
-/* We can't use generic siginfo_t, because our si_code and si_errno are swapped */
-typedef struct siginfo {
- int si_signo;
- int si_code;
- int si_errno;
- int __pad0[SI_MAX_SIZE / sizeof(int) - SI_PAD_SIZE - 3];
-
- union {
- int _pad[SI_PAD_SIZE];
-
- /* kill() */
- struct {
- __kernel_pid_t _pid; /* sender's pid */
- __ARCH_SI_UID_T _uid; /* sender's uid */
- } _kill;
-
- /* POSIX.1b timers */
- struct {
- __kernel_timer_t _tid; /* timer id */
- int _overrun; /* overrun count */
- char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)];
- sigval_t _sigval; /* same as below */
- int _sys_private; /* not to be passed to user */
- } _timer;
-
- /* POSIX.1b signals */
- struct {
- __kernel_pid_t _pid; /* sender's pid */
- __ARCH_SI_UID_T _uid; /* sender's uid */
- sigval_t _sigval;
- } _rt;
-
- /* SIGCHLD */
- struct {
- __kernel_pid_t _pid; /* which child */
- __ARCH_SI_UID_T _uid; /* sender's uid */
- int _status; /* exit code */
- __kernel_clock_t _utime;
- __kernel_clock_t _stime;
- } _sigchld;
-
- /* IRIX SIGCHLD */
- struct {
- __kernel_pid_t _pid; /* which child */
- __kernel_clock_t _utime;
- int _status; /* exit code */
- __kernel_clock_t _stime;
- } _irix_sigchld;
-
- /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
- struct {
- void __user *_addr; /* faulting insn/memory ref. */
-#ifdef __ARCH_SI_TRAPNO
- int _trapno; /* TRAP # which caused the signal */
-#endif
- short _addr_lsb;
- union {
- /* used when si_code=SEGV_BNDERR */
- struct {
- void __user *_lower;
- void __user *_upper;
- } _addr_bnd;
- /* used when si_code=SEGV_PKUERR */
- __u32 _pkey;
- };
- } _sigfault;
-
- /* SIGPOLL, SIGXFSZ (To do ...) */
- struct {
- __ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */
- int _fd;
- } _sigpoll;
-
- /* SIGSYS */
- struct {
- void __user *_call_addr; /* calling user insn */
- int _syscall; /* triggering system call number */
- unsigned int _arch; /* AUDIT_ARCH_* of syscall */
- } _sigsys;
- } _sifields;
-} siginfo_t;
-
/*
* si_code values
* Again these have been chosen to be IRIX compatible.
diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c
index cf5c7c05e5a3..c4db910a8794 100644
--- a/arch/mips/kernel/signal32.c
+++ b/arch/mips/kernel/signal32.c
@@ -76,70 +76,3 @@ SYSCALL_DEFINE3(32_sigaction, long, sig, const struct compat_sigaction __user *,
return ret;
}
-
-int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from)
-{
- int err;
-
- if (!access_ok (VERIFY_WRITE, to, sizeof(compat_siginfo_t)))
- return -EFAULT;
-
- /* If you change siginfo_t structure, please be sure
- this code is fixed accordingly.
- It should never copy any pad contained in the structure
- to avoid security leaks, but must copy the generic
- 3 ints plus the relevant union member.
- This routine must convert siginfo from 64bit to 32bit as well
- at the same time. */
- err = __put_user(from->si_signo, &to->si_signo);
- err |= __put_user(from->si_errno, &to->si_errno);
- err |= __put_user(from->si_code, &to->si_code);
- if (from->si_code < 0)
- err |= __copy_to_user(&to->_sifields._pad, &from->_sifields._pad, SI_PAD_SIZE);
- else {
- switch (siginfo_layout(from->si_signo, from->si_code)) {
- case SIL_TIMER:
- err |= __put_user(from->si_tid, &to->si_tid);
- err |= __put_user(from->si_overrun, &to->si_overrun);
- err |= __put_user(from->si_int, &to->si_int);
- break;
- case SIL_CHLD:
- err |= __put_user(from->si_utime, &to->si_utime);
- err |= __put_user(from->si_stime, &to->si_stime);
- err |= __put_user(from->si_status, &to->si_status);
- case SIL_KILL:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- break;
- case SIL_FAULT:
- err |= __put_user((unsigned long)from->si_addr, &to->si_addr);
- break;
- case SIL_POLL:
- err |= __put_user(from->si_band, &to->si_band);
- err |= __put_user(from->si_fd, &to->si_fd);
- break;
- case SIL_RT:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- err |= __put_user(from->si_int, &to->si_int);
- break;
- case SIL_SYS:
- err |= __copy_to_user(&to->si_call_addr, &from->si_call_addr,
- sizeof(compat_uptr_t));
- err |= __put_user(from->si_syscall, &to->si_syscall);
- err |= __put_user(from->si_arch, &to->si_arch);
- break;
- }
- }
- return err;
-}
-
-int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
-{
- if (copy_from_user(to, from, 3*sizeof(int)) ||
- copy_from_user(to->_sifields._pad,
- from->_sifields._pad, SI_PAD_SIZE32))
- return -EFAULT;
-
- return 0;
-}
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 5d19ed07e99d..0ae4a731cc12 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -699,11 +699,12 @@ static int simulate_sync(struct pt_regs *regs, unsigned int opcode)
asmlinkage void do_ov(struct pt_regs *regs)
{
enum ctx_state prev_state;
- siginfo_t info = {
- .si_signo = SIGFPE,
- .si_code = FPE_INTOVF,
- .si_addr = (void __user *)regs->cp0_epc,
- };
+ siginfo_t info;
+
+ clear_siginfo(&info);
+ info.si_signo = SIGFPE;
+ info.si_code = FPE_INTOVF;
+ info.si_addr = (void __user *)regs->cp0_epc;
prev_state = exception_enter();
die_if_kernel("Integer overflow", regs);
@@ -721,7 +722,11 @@ asmlinkage void do_ov(struct pt_regs *regs)
void force_fcr31_sig(unsigned long fcr31, void __user *fault_addr,
struct task_struct *tsk)
{
- struct siginfo si = { .si_addr = fault_addr, .si_signo = SIGFPE };
+ struct siginfo si;
+
+ clear_siginfo(&si);
+ si.si_addr = fault_addr;
+ si.si_signo = SIGFPE;
if (fcr31 & FPU_CSR_INV_X)
si.si_code = FPE_FLTINV;
@@ -739,9 +744,10 @@ void force_fcr31_sig(unsigned long fcr31, void __user *fault_addr,
int process_fpemu_return(int sig, void __user *fault_addr, unsigned long fcr31)
{
- struct siginfo si = { 0 };
+ struct siginfo si;
struct vm_area_struct *vma;
+ clear_siginfo(&si);
switch (sig) {
case 0:
return 0;
@@ -890,9 +896,10 @@ out:
void do_trap_or_bp(struct pt_regs *regs, unsigned int code, int si_code,
const char *str)
{
- siginfo_t info = { 0 };
+ siginfo_t info;
char b[40];
+ clear_siginfo(&info);
#ifdef CONFIG_KGDB_LOW_LEVEL_TRAP
if (kgdb_ll_trap(DIE_TRAP, str, regs, code, current->thread.trap_nr,
SIGTRAP) == NOTIFY_STOP)
@@ -1499,9 +1506,13 @@ asmlinkage void do_mdmx(struct pt_regs *regs)
*/
asmlinkage void do_watch(struct pt_regs *regs)
{
- siginfo_t info = { .si_signo = SIGTRAP, .si_code = TRAP_HWBKPT };
+ siginfo_t info;
enum ctx_state prev_state;
+ clear_siginfo(&info);
+ info.si_signo = SIGTRAP;
+ info.si_code = TRAP_HWBKPT;
+
prev_state = exception_enter();
/*
* Clear WP (bit 22) bit of cause register so we don't loop
diff --git a/arch/mn10300/mm/misalignment.c b/arch/mn10300/mm/misalignment.c
index b39a388825ae..8ace89617c1c 100644
--- a/arch/mn10300/mm/misalignment.c
+++ b/arch/mn10300/mm/misalignment.c
@@ -437,7 +437,7 @@ transfer_failed:
info.si_signo = SIGSEGV;
info.si_errno = 0;
- info.si_code = 0;
+ info.si_code = SEGV_MAPERR;
info.si_addr = (void *) regs->pc;
force_sig_info(SIGSEGV, &info, current);
return;
diff --git a/arch/openrisc/kernel/traps.c b/arch/openrisc/kernel/traps.c
index 4085d72fa5ae..9e38dc66c9e4 100644
--- a/arch/openrisc/kernel/traps.c
+++ b/arch/openrisc/kernel/traps.c
@@ -266,12 +266,12 @@ asmlinkage void do_unaligned_access(struct pt_regs *regs, unsigned long address)
siginfo_t info;
if (user_mode(regs)) {
- /* Send a SIGSEGV */
- info.si_signo = SIGSEGV;
+ /* Send a SIGBUS */
+ info.si_signo = SIGBUS;
info.si_errno = 0;
- /* info.si_code has been set above */
- info.si_addr = (void *)address;
- force_sig_info(SIGSEGV, &info, current);
+ info.si_code = BUS_ADRALN;
+ info.si_addr = (void __user *)address;
+ force_sig_info(SIGBUS, &info, current);
} else {
printk("KERNEL: Unaligned Access 0x%.8lx\n", address);
show_registers(regs);
diff --git a/arch/parisc/include/asm/compat.h b/arch/parisc/include/asm/compat.h
index acf8aa07cbe0..c22db5323244 100644
--- a/arch/parisc/include/asm/compat.h
+++ b/arch/parisc/include/asm/compat.h
@@ -130,70 +130,6 @@ typedef u32 compat_old_sigset_t; /* at least 32 bits */
typedef u32 compat_sigset_word;
-typedef union compat_sigval {
- compat_int_t sival_int;
- compat_uptr_t sival_ptr;
-} compat_sigval_t;
-
-typedef struct compat_siginfo {
- int si_signo;
- int si_errno;
- int si_code;
-
- union {
- int _pad[128/sizeof(int) - 3];
-
- /* kill() */
- struct {
- unsigned int _pid; /* sender's pid */
- unsigned int _uid; /* sender's uid */
- } _kill;
-
- /* POSIX.1b timers */
- struct {
- compat_timer_t _tid; /* timer id */
- int _overrun; /* overrun count */
- char _pad[sizeof(unsigned int) - sizeof(int)];
- compat_sigval_t _sigval; /* same as below */
- int _sys_private; /* not to be passed to user */
- } _timer;
-
- /* POSIX.1b signals */
- struct {
- unsigned int _pid; /* sender's pid */
- unsigned int _uid; /* sender's uid */
- compat_sigval_t _sigval;
- } _rt;
-
- /* SIGCHLD */
- struct {
- unsigned int _pid; /* which child */
- unsigned int _uid; /* sender's uid */
- int _status; /* exit code */
- compat_clock_t _utime;
- compat_clock_t _stime;
- } _sigchld;
-
- /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
- struct {
- unsigned int _addr; /* faulting insn/memory ref. */
- } _sigfault;
-
- /* SIGPOLL */
- struct {
- int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
- int _fd;
- } _sigpoll;
-
- /* SIGSYS */
- struct {
- compat_uptr_t _call_addr; /* calling user insn */
- int _syscall; /* triggering system call number */
- compat_uint_t _arch; /* AUDIT_ARCH_* of syscall */
- } _sigsys;
- } _sifields;
-} compat_siginfo_t;
-
#define COMPAT_OFF_T_MAX 0x7fffffff
struct compat_ipc64_perm {
diff --git a/arch/parisc/include/uapi/asm/siginfo.h b/arch/parisc/include/uapi/asm/siginfo.h
index 4a1062e05aaf..be40331f757d 100644
--- a/arch/parisc/include/uapi/asm/siginfo.h
+++ b/arch/parisc/include/uapi/asm/siginfo.h
@@ -8,4 +8,11 @@
#include <asm-generic/siginfo.h>
+/*
+ * SIGFPE si_codes
+ */
+#ifdef __KERNEL__
+#define FPE_FIXME 0 /* Broken dup of SI_USER */
+#endif /* __KERNEL__ */
+
#endif
diff --git a/arch/parisc/kernel/pdt.c b/arch/parisc/kernel/pdt.c
index e07eb34c8750..36434d4da381 100644
--- a/arch/parisc/kernel/pdt.c
+++ b/arch/parisc/kernel/pdt.c
@@ -325,7 +325,7 @@ static int pdt_mainloop(void *unused)
#ifdef CONFIG_MEMORY_FAILURE
if ((pde & PDT_ADDR_PERM_ERR) ||
((pde & PDT_ADDR_SINGLE_ERR) == 0))
- memory_failure(pde >> PAGE_SHIFT, 0, 0);
+ memory_failure(pde >> PAGE_SHIFT, 0);
else
soft_offline_page(
pfn_to_page(pde >> PAGE_SHIFT), 0);
diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c
index 41afa9cd1f55..e8ef3eb69449 100644
--- a/arch/parisc/kernel/signal32.c
+++ b/arch/parisc/kernel/signal32.c
@@ -260,109 +260,3 @@ setup_sigcontext32(struct compat_sigcontext __user *sc, struct compat_regfile __
return err;
}
-
-int
-copy_siginfo_from_user32 (siginfo_t *to, compat_siginfo_t __user *from)
-{
- compat_uptr_t addr;
- int err;
-
- if (!access_ok(VERIFY_READ, from, sizeof(compat_siginfo_t)))
- return -EFAULT;
-
- err = __get_user(to->si_signo, &from->si_signo);
- err |= __get_user(to->si_errno, &from->si_errno);
- err |= __get_user(to->si_code, &from->si_code);
-
- if (to->si_code < 0)
- err |= __copy_from_user(&to->_sifields._pad, &from->_sifields._pad, SI_PAD_SIZE);
- else {
- switch (siginfo_layout(to->si_signo, to->si_code)) {
- case SIL_CHLD:
- err |= __get_user(to->si_utime, &from->si_utime);
- err |= __get_user(to->si_stime, &from->si_stime);
- err |= __get_user(to->si_status, &from->si_status);
- default:
- case SIL_KILL:
- err |= __get_user(to->si_pid, &from->si_pid);
- err |= __get_user(to->si_uid, &from->si_uid);
- break;
- case SIL_FAULT:
- err |= __get_user(addr, &from->si_addr);
- to->si_addr = compat_ptr(addr);
- break;
- case SIL_POLL:
- err |= __get_user(to->si_band, &from->si_band);
- err |= __get_user(to->si_fd, &from->si_fd);
- break;
- case SIL_RT:
- err |= __get_user(to->si_pid, &from->si_pid);
- err |= __get_user(to->si_uid, &from->si_uid);
- err |= __get_user(to->si_int, &from->si_int);
- break;
- }
- }
- return err;
-}
-
-int
-copy_siginfo_to_user32 (compat_siginfo_t __user *to, const siginfo_t *from)
-{
- compat_uptr_t addr;
- compat_int_t val;
- int err;
-
- if (!access_ok(VERIFY_WRITE, to, sizeof(compat_siginfo_t)))
- return -EFAULT;
-
- /* If you change siginfo_t structure, please be sure
- this code is fixed accordingly.
- It should never copy any pad contained in the structure
- to avoid security leaks, but must copy the generic
- 3 ints plus the relevant union member.
- This routine must convert siginfo from 64bit to 32bit as well
- at the same time. */
- err = __put_user(from->si_signo, &to->si_signo);
- err |= __put_user(from->si_errno, &to->si_errno);
- err |= __put_user(from->si_code, &to->si_code);
- if (from->si_code < 0)
- err |= __copy_to_user(&to->_sifields._pad, &from->_sifields._pad, SI_PAD_SIZE);
- else {
- switch (siginfo_layout(from->si_signo, from->si_code)) {
- case SIL_CHLD:
- err |= __put_user(from->si_utime, &to->si_utime);
- err |= __put_user(from->si_stime, &to->si_stime);
- err |= __put_user(from->si_status, &to->si_status);
- case SIL_KILL:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- break;
- case SIL_FAULT:
- addr = ptr_to_compat(from->si_addr);
- err |= __put_user(addr, &to->si_addr);
- break;
- case SIL_POLL:
- err |= __put_user(from->si_band, &to->si_band);
- err |= __put_user(from->si_fd, &to->si_fd);
- break;
- case SIL_TIMER:
- err |= __put_user(from->si_tid, &to->si_tid);
- err |= __put_user(from->si_overrun, &to->si_overrun);
- val = (compat_int_t)from->si_int;
- err |= __put_user(val, &to->si_int);
- break;
- case SIL_RT:
- err |= __put_user(from->si_uid, &to->si_uid);
- err |= __put_user(from->si_pid, &to->si_pid);
- val = (compat_int_t)from->si_int;
- err |= __put_user(val, &to->si_int);
- break;
- case SIL_SYS:
- err |= __put_user(ptr_to_compat(from->si_call_addr), &to->si_call_addr);
- err |= __put_user(from->si_syscall, &to->si_syscall);
- err |= __put_user(from->si_arch, &to->si_arch);
- break;
- }
- }
- return err;
-}
diff --git a/arch/parisc/kernel/signal32.h b/arch/parisc/kernel/signal32.h
index 719e7417732c..a271dc0976ce 100644
--- a/arch/parisc/kernel/signal32.h
+++ b/arch/parisc/kernel/signal32.h
@@ -34,9 +34,6 @@ struct compat_ucontext {
/* ELF32 signal handling */
-int copy_siginfo_to_user32 (compat_siginfo_t __user *to, const siginfo_t *from);
-int copy_siginfo_from_user32 (siginfo_t *to, compat_siginfo_t __user *from);
-
/* In a deft move of uber-hackery, we decide to carry the top half of all
* 64-bit registers in a non-portable, non-ABI, hidden structure.
* Userspace can read the hidden structure if it *wants* but is never
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 8453724b8009..c919e6c0a687 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -629,7 +629,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs)
si.si_signo = SIGFPE;
/* Set to zero, and let the userspace app figure it out from
the insn pointed to by si_addr */
- si.si_code = 0;
+ si.si_code = FPE_FIXME;
si.si_addr = (void __user *) regs->iaoq[0];
force_sig_info(SIGFPE, &si, current);
return;
diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h
index 8a2aecfe9b02..62168e1158f1 100644
--- a/arch/powerpc/include/asm/compat.h
+++ b/arch/powerpc/include/asm/compat.h
@@ -119,71 +119,6 @@ typedef u32 compat_old_sigset_t;
typedef u32 compat_sigset_word;
-typedef union compat_sigval {
- compat_int_t sival_int;
- compat_uptr_t sival_ptr;
-} compat_sigval_t;
-
-#define SI_PAD_SIZE32 (128/sizeof(int) - 3)
-
-typedef struct compat_siginfo {
- int si_signo;
- int si_errno;
- int si_code;
-
- union {
- int _pad[SI_PAD_SIZE32];
-
- /* kill() */
- struct {
- compat_pid_t _pid; /* sender's pid */
- __compat_uid_t _uid; /* sender's uid */
- } _kill;
-
- /* POSIX.1b timers */
- struct {
- compat_timer_t _tid; /* timer id */
- int _overrun; /* overrun count */
- compat_sigval_t _sigval; /* same as below */
- int _sys_private; /* not to be passed to user */
- } _timer;
-
- /* POSIX.1b signals */
- struct {
- compat_pid_t _pid; /* sender's pid */
- __compat_uid_t _uid; /* sender's uid */
- compat_sigval_t _sigval;
- } _rt;
-
- /* SIGCHLD */
- struct {
- compat_pid_t _pid; /* which child */
- __compat_uid_t _uid; /* sender's uid */
- int _status; /* exit code */
- compat_clock_t _utime;
- compat_clock_t _stime;
- } _sigchld;
-
- /* SIGILL, SIGFPE, SIGSEGV, SIGBUS, SIGEMT */
- struct {
- unsigned int _addr; /* faulting insn/memory ref. */
- } _sigfault;
-
- /* SIGPOLL */
- struct {
- int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
- int _fd;
- } _sigpoll;
-
- /* SIGSYS */
- struct {
- unsigned int _call_addr; /* calling insn */
- int _syscall; /* triggering system call number */
- unsigned int _arch; /* AUDIT_ARCH_* of syscall */
- } _sigsys;
- } _sifields;
-} compat_siginfo_t;
-
#define COMPAT_OFF_T_MAX 0x7fffffff
/*
diff --git a/arch/powerpc/include/asm/debug.h b/arch/powerpc/include/asm/debug.h
index 14e71ff6579e..fc97404de0a3 100644
--- a/arch/powerpc/include/asm/debug.h
+++ b/arch/powerpc/include/asm/debug.h
@@ -49,7 +49,7 @@ void set_breakpoint(struct arch_hw_breakpoint *brk);
void __set_breakpoint(struct arch_hw_breakpoint *brk);
#ifdef CONFIG_PPC_ADV_DEBUG_REGS
extern void do_send_trap(struct pt_regs *regs, unsigned long address,
- unsigned long error_code, int signal_code, int brkpt);
+ unsigned long error_code, int brkpt);
#else
extern void do_break(struct pt_regs *regs, unsigned long address,
diff --git a/arch/powerpc/include/uapi/asm/siginfo.h b/arch/powerpc/include/uapi/asm/siginfo.h
index 1a691141e49f..9f142451a01f 100644
--- a/arch/powerpc/include/uapi/asm/siginfo.h
+++ b/arch/powerpc/include/uapi/asm/siginfo.h
@@ -15,7 +15,19 @@
#include <asm-generic/siginfo.h>
-#undef NSIGTRAP
-#define NSIGTRAP 4
+/*
+ * SIGFPE si_codes
+ */
+#ifdef __KERNEL__
+#define FPE_FIXME 0 /* Broken dup of SI_USER */
+#endif /* __KERNEL__ */
+
+/*
+ * SIGTRAP si_codes
+ */
+#ifdef __KERNEL__
+#define TRAP_FIXME 0 /* Broken dup of SI_USER */
+#endif /* __KERNEL__ */
+
#endif /* _ASM_POWERPC_SIGINFO_H */
diff --git a/arch/powerpc/kernel/mce.c b/arch/powerpc/kernel/mce.c
index 742e4658c5dc..71e8a1b8c86e 100644
--- a/arch/powerpc/kernel/mce.c
+++ b/arch/powerpc/kernel/mce.c
@@ -273,7 +273,7 @@ static void machine_process_ue_event(struct work_struct *work)
pfn = evt->u.ue_error.physical_address >>
PAGE_SHIFT;
- memory_failure(pfn, SIGBUS, 0);
+ memory_failure(pfn, 0);
} else
pr_warn("Failed to identify bad address from "
"where the uncorrectable error (UE) "
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 72be0c32e902..4208cbe2fb7f 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -601,21 +601,16 @@ EXPORT_SYMBOL(flush_all_to_thread);
#ifdef CONFIG_PPC_ADV_DEBUG_REGS
void do_send_trap(struct pt_regs *regs, unsigned long address,
- unsigned long error_code, int signal_code, int breakpt)
+ unsigned long error_code, int breakpt)
{
- siginfo_t info;
-
- current->thread.trap_nr = signal_code;
+ current->thread.trap_nr = TRAP_HWBKPT;
if (notify_die(DIE_DABR_MATCH, "dabr_match", regs, error_code,
11, SIGSEGV) == NOTIFY_STOP)
return;
/* Deliver the signal to userspace */
- info.si_signo = SIGTRAP;
- info.si_errno = breakpt; /* breakpoint or watchpoint id */
- info.si_code = signal_code;
- info.si_addr = (void __user *)address;
- force_sig_info(SIGTRAP, &info, current);
+ force_sig_ptrace_errno_trap(breakpt, /* breakpoint or watchpoint id */
+ (void __user *)address);
}
#else /* !CONFIG_PPC_ADV_DEBUG_REGS */
void do_break (struct pt_regs *regs, unsigned long address,
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index 9ffd73296f64..aded81169648 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -873,75 +873,9 @@ static long restore_tm_user_regs(struct pt_regs *regs,
#endif
#ifdef CONFIG_PPC64
-int copy_siginfo_to_user32(struct compat_siginfo __user *d, const siginfo_t *s)
-{
- int err;
-
- if (!access_ok (VERIFY_WRITE, d, sizeof(*d)))
- return -EFAULT;
-
- /* If you change siginfo_t structure, please be sure
- * this code is fixed accordingly.
- * It should never copy any pad contained in the structure
- * to avoid security leaks, but must copy the generic
- * 3 ints plus the relevant union member.
- * This routine must convert siginfo from 64bit to 32bit as well
- * at the same time.
- */
- err = __put_user(s->si_signo, &d->si_signo);
- err |= __put_user(s->si_errno, &d->si_errno);
- err |= __put_user(s->si_code, &d->si_code);
- if (s->si_code < 0)
- err |= __copy_to_user(&d->_sifields._pad, &s->_sifields._pad,
- SI_PAD_SIZE32);
- else switch(siginfo_layout(s->si_signo, s->si_code)) {
- case SIL_CHLD:
- err |= __put_user(s->si_pid, &d->si_pid);
- err |= __put_user(s->si_uid, &d->si_uid);
- err |= __put_user(s->si_utime, &d->si_utime);
- err |= __put_user(s->si_stime, &d->si_stime);
- err |= __put_user(s->si_status, &d->si_status);
- break;
- case SIL_FAULT:
- err |= __put_user((unsigned int)(unsigned long)s->si_addr,
- &d->si_addr);
- break;
- case SIL_POLL:
- err |= __put_user(s->si_band, &d->si_band);
- err |= __put_user(s->si_fd, &d->si_fd);
- break;
- case SIL_TIMER:
- err |= __put_user(s->si_tid, &d->si_tid);
- err |= __put_user(s->si_overrun, &d->si_overrun);
- err |= __put_user(s->si_int, &d->si_int);
- break;
- case SIL_SYS:
- err |= __put_user(ptr_to_compat(s->si_call_addr), &d->si_call_addr);
- err |= __put_user(s->si_syscall, &d->si_syscall);
- err |= __put_user(s->si_arch, &d->si_arch);
- break;
- case SIL_RT:
- err |= __put_user(s->si_int, &d->si_int);
- /* fallthrough */
- case SIL_KILL:
- err |= __put_user(s->si_pid, &d->si_pid);
- err |= __put_user(s->si_uid, &d->si_uid);
- break;
- }
- return err;
-}
#define copy_siginfo_to_user copy_siginfo_to_user32
-int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from)
-{
- if (copy_from_user(to, from, 3*sizeof(int)) ||
- copy_from_user(to->_sifields._pad,
- from->_sifields._pad, SI_PAD_SIZE32))
- return -EFAULT;
-
- return 0;
-}
#endif /* CONFIG_PPC64 */
/*
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index f3eb61be0d30..c93f1e6a9fff 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -917,7 +917,7 @@ void unknown_exception(struct pt_regs *regs)
printk("Bad trap at PC: %lx, SR: %lx, vector=%lx\n",
regs->nip, regs->msr, regs->trap);
- _exception(SIGTRAP, regs, 0, 0);
+ _exception(SIGTRAP, regs, TRAP_FIXME, 0);
exception_exit(prev_state);
}
@@ -939,7 +939,7 @@ bail:
void RunModeException(struct pt_regs *regs)
{
- _exception(SIGTRAP, regs, 0, 0);
+ _exception(SIGTRAP, regs, TRAP_FIXME, 0);
}
void single_step_exception(struct pt_regs *regs)
@@ -978,7 +978,7 @@ static void emulate_single_step(struct pt_regs *regs)
static inline int __parse_fpscr(unsigned long fpscr)
{
- int ret = 0;
+ int ret = FPE_FIXME;
/* Invalid operation */
if ((fpscr & FPSCR_VE) && (fpscr & FPSCR_VX))
@@ -1750,34 +1750,34 @@ static void handle_debug(struct pt_regs *regs, unsigned long debug_status)
#ifdef CONFIG_PPC_ADV_DEBUG_DAC_RANGE
current->thread.debug.dbcr2 &= ~DBCR2_DAC12MODE;
#endif
- do_send_trap(regs, mfspr(SPRN_DAC1), debug_status, TRAP_HWBKPT,
+ do_send_trap(regs, mfspr(SPRN_DAC1), debug_status,
5);
changed |= 0x01;
} else if (debug_status & (DBSR_DAC2R | DBSR_DAC2W)) {
dbcr_dac(current) &= ~(DBCR_DAC2R | DBCR_DAC2W);
- do_send_trap(regs, mfspr(SPRN_DAC2), debug_status, TRAP_HWBKPT,
+ do_send_trap(regs, mfspr(SPRN_DAC2), debug_status,
6);
changed |= 0x01;
} else if (debug_status & DBSR_IAC1) {
current->thread.debug.dbcr0 &= ~DBCR0_IAC1;
dbcr_iac_range(current) &= ~DBCR_IAC12MODE;
- do_send_trap(regs, mfspr(SPRN_IAC1), debug_status, TRAP_HWBKPT,
+ do_send_trap(regs, mfspr(SPRN_IAC1), debug_status,
1);
changed |= 0x01;
} else if (debug_status & DBSR_IAC2) {
current->thread.debug.dbcr0 &= ~DBCR0_IAC2;
- do_send_trap(regs, mfspr(SPRN_IAC2), debug_status, TRAP_HWBKPT,
+ do_send_trap(regs, mfspr(SPRN_IAC2), debug_status,
2);
changed |= 0x01;
} else if (debug_status & DBSR_IAC3) {
current->thread.debug.dbcr0 &= ~DBCR0_IAC3;
dbcr_iac_range(current) &= ~DBCR_IAC34MODE;
- do_send_trap(regs, mfspr(SPRN_IAC3), debug_status, TRAP_HWBKPT,
+ do_send_trap(regs, mfspr(SPRN_IAC3), debug_status,
3);
changed |= 0x01;
} else if (debug_status & DBSR_IAC4) {
current->thread.debug.dbcr0 &= ~DBCR0_IAC4;
- do_send_trap(regs, mfspr(SPRN_IAC4), debug_status, TRAP_HWBKPT,
+ do_send_trap(regs, mfspr(SPRN_IAC4), debug_status,
4);
changed |= 0x01;
}
@@ -1929,7 +1929,7 @@ void SPEFloatingPointException(struct pt_regs *regs)
extern int do_spe_mathemu(struct pt_regs *regs);
unsigned long spefscr;
int fpexc_mode;
- int code = 0;
+ int code = FPE_FIXME;
int err;
flush_spe_to_thread(current);
@@ -1998,7 +1998,7 @@ void SPEFloatingPointRoundException(struct pt_regs *regs)
printk(KERN_ERR "unrecognized spe instruction "
"in %s at %lx\n", current->comm, regs->nip);
} else {
- _exception(SIGFPE, regs, 0, regs->nip);
+ _exception(SIGFPE, regs, FPE_FIXME, regs->nip);
return;
}
}
diff --git a/arch/powerpc/platforms/powernv/opal-memory-errors.c b/arch/powerpc/platforms/powernv/opal-memory-errors.c
index d9916ea62305..8ddc1accf199 100644
--- a/arch/powerpc/platforms/powernv/opal-memory-errors.c
+++ b/arch/powerpc/platforms/powernv/opal-memory-errors.c
@@ -60,7 +60,7 @@ static void handle_memory_error_event(struct OpalMemoryErrorData *merr_evt)
}
for (; paddr_start < paddr_end; paddr_start += PAGE_SIZE) {
- memory_failure(paddr_start >> PAGE_SHIFT, 0, 0);
+ memory_failure(paddr_start >> PAGE_SHIFT, 0);
}
}
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index 5e6a63641a5f..9830fb6b076e 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -189,79 +189,6 @@ typedef u32 compat_old_sigset_t; /* at least 32 bits */
typedef u32 compat_sigset_word;
-typedef union compat_sigval {
- compat_int_t sival_int;
- compat_uptr_t sival_ptr;
-} compat_sigval_t;
-
-typedef struct compat_siginfo {
- int si_signo;
- int si_errno;
- int si_code;
-
- union {
- int _pad[128/sizeof(int) - 3];
-
- /* kill() */
- struct {
- pid_t _pid; /* sender's pid */
- uid_t _uid; /* sender's uid */
- } _kill;
-
- /* POSIX.1b timers */
- struct {
- compat_timer_t _tid; /* timer id */
- int _overrun; /* overrun count */
- compat_sigval_t _sigval; /* same as below */
- int _sys_private; /* not to be passed to user */
- } _timer;
-
- /* POSIX.1b signals */
- struct {
- pid_t _pid; /* sender's pid */
- uid_t _uid; /* sender's uid */
- compat_sigval_t _sigval;
- } _rt;
-
- /* SIGCHLD */
- struct {
- pid_t _pid; /* which child */
- uid_t _uid; /* sender's uid */
- int _status;/* exit code */
- compat_clock_t _utime;
- compat_clock_t _stime;
- } _sigchld;
-
- /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
- struct {
- __u32 _addr; /* faulting insn/memory ref. - pointer */
- } _sigfault;
-
- /* SIGPOLL */
- struct {
- int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
- int _fd;
- } _sigpoll;
- } _sifields;
-} compat_siginfo_t;
-
-/*
- * How these fields are to be accessed.
- */
-#define si_pid _sifields._kill._pid
-#define si_uid _sifields._kill._uid
-#define si_status _sifields._sigchld._status
-#define si_utime _sifields._sigchld._utime
-#define si_stime _sifields._sigchld._stime
-#define si_value _sifields._rt._sigval
-#define si_int _sifields._rt._sigval.sival_int
-#define si_ptr _sifields._rt._sigval.sival_ptr
-#define si_addr _sifields._sigfault._addr
-#define si_band _sifields._sigpoll._band
-#define si_fd _sifields._sigpoll._fd
-#define si_tid _sifields._timer._tid
-#define si_overrun _sifields._timer._overrun
-
#define COMPAT_OFF_T_MAX 0x7fffffff
/*
diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c
index ef246940b44c..18c1eeb847b2 100644
--- a/arch/s390/kernel/compat_signal.c
+++ b/arch/s390/kernel/compat_signal.c
@@ -50,106 +50,6 @@ typedef struct
struct ucontext32 uc;
} rt_sigframe32;
-int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from)
-{
- int err;
-
- /* If you change siginfo_t structure, please be sure
- this code is fixed accordingly.
- It should never copy any pad contained in the structure
- to avoid security leaks, but must copy the generic
- 3 ints plus the relevant union member.
- This routine must convert siginfo from 64bit to 32bit as well
- at the same time. */
- err = __put_user(from->si_signo, &to->si_signo);
- err |= __put_user(from->si_errno, &to->si_errno);
- err |= __put_user(from->si_code, &to->si_code);
- if (from->si_code < 0)
- err |= __copy_to_user(&to->_sifields._pad, &from->_sifields._pad, SI_PAD_SIZE);
- else {
- switch (siginfo_layout(from->si_signo, from->si_code)) {
- case SIL_RT:
- err |= __put_user(from->si_int, &to->si_int);
- /* fallthrough */
- case SIL_KILL:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- break;
- case SIL_CHLD:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- err |= __put_user(from->si_utime, &to->si_utime);
- err |= __put_user(from->si_stime, &to->si_stime);
- err |= __put_user(from->si_status, &to->si_status);
- break;
- case SIL_FAULT:
- err |= __put_user((unsigned long) from->si_addr,
- &to->si_addr);
- break;
- case SIL_POLL:
- err |= __put_user(from->si_band, &to->si_band);
- err |= __put_user(from->si_fd, &to->si_fd);
- break;
- case SIL_TIMER:
- err |= __put_user(from->si_tid, &to->si_tid);
- err |= __put_user(from->si_overrun, &to->si_overrun);
- err |= __put_user(from->si_int, &to->si_int);
- break;
- default:
- break;
- }
- }
- return err ? -EFAULT : 0;
-}
-
-int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
-{
- int err;
- u32 tmp;
-
- err = __get_user(to->si_signo, &from->si_signo);
- err |= __get_user(to->si_errno, &from->si_errno);
- err |= __get_user(to->si_code, &from->si_code);
-
- if (to->si_code < 0)
- err |= __copy_from_user(&to->_sifields._pad, &from->_sifields._pad, SI_PAD_SIZE);
- else {
- switch (siginfo_layout(to->si_signo, to->si_code)) {
- case SIL_RT:
- err |= __get_user(to->si_int, &from->si_int);
- /* fallthrough */
- case SIL_KILL:
- err |= __get_user(to->si_pid, &from->si_pid);
- err |= __get_user(to->si_uid, &from->si_uid);
- break;
- case SIL_CHLD:
- err |= __get_user(to->si_pid, &from->si_pid);
- err |= __get_user(to->si_uid, &from->si_uid);
- err |= __get_user(to->si_utime, &from->si_utime);
- err |= __get_user(to->si_stime, &from->si_stime);
- err |= __get_user(to->si_status, &from->si_status);
- break;
- case SIL_FAULT:
- err |= __get_user(tmp, &from->si_addr);
- to->si_addr = (void __force __user *)
- (u64) (tmp & PSW32_ADDR_INSN);
- break;
- case SIL_POLL:
- err |= __get_user(to->si_band, &from->si_band);
- err |= __get_user(to->si_fd, &from->si_fd);
- break;
- case SIL_TIMER:
- err |= __get_user(to->si_tid, &from->si_tid);
- err |= __get_user(to->si_overrun, &from->si_overrun);
- err |= __get_user(to->si_int, &from->si_int);
- break;
- default:
- break;
- }
- }
- return err ? -EFAULT : 0;
-}
-
/* Store registers needed to create the signal frame */
static void store_sigregs(void)
{
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index 57cff00cad17..b3770bb26211 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -609,7 +609,8 @@ asmlinkage void do_divide_error(unsigned long r4)
break;
}
- force_sig_info(SIGFPE, &info, current);
+ info.si_signo = SIGFPE;
+ force_sig_info(info.si_signo, &info, current);
}
#endif
diff --git a/arch/sparc/include/asm/compat.h b/arch/sparc/include/asm/compat.h
index fa38c78de0f0..615283e16f22 100644
--- a/arch/sparc/include/asm/compat.h
+++ b/arch/sparc/include/asm/compat.h
@@ -149,65 +149,6 @@ typedef u32 compat_old_sigset_t;
typedef u32 compat_sigset_word;
-typedef union compat_sigval {
- compat_int_t sival_int;
- compat_uptr_t sival_ptr;
-} compat_sigval_t;
-
-#define SI_PAD_SIZE32 (128/sizeof(int) - 3)
-
-typedef struct compat_siginfo {
- int si_signo;
- int si_errno;
- int si_code;
-
- union {
- int _pad[SI_PAD_SIZE32];
-
- /* kill() */
- struct {
- compat_pid_t _pid; /* sender's pid */
- unsigned int _uid; /* sender's uid */
- } _kill;
-
- /* POSIX.1b timers */
- struct {
- compat_timer_t _tid; /* timer id */
- int _overrun; /* overrun count */
- compat_sigval_t _sigval; /* same as below */
- int _sys_private; /* not to be passed to user */
- } _timer;
-
- /* POSIX.1b signals */
- struct {
- compat_pid_t _pid; /* sender's pid */
- unsigned int _uid; /* sender's uid */
- compat_sigval_t _sigval;
- } _rt;
-
- /* SIGCHLD */
- struct {
- compat_pid_t _pid; /* which child */
- unsigned int _uid; /* sender's uid */
- int _status; /* exit code */
- compat_clock_t _utime;
- compat_clock_t _stime;
- } _sigchld;
-
- /* SIGILL, SIGFPE, SIGSEGV, SIGBUS, SIGEMT */
- struct {
- u32 _addr; /* faulting insn/memory ref. */
- int _trapno;
- } _sigfault;
-
- /* SIGPOLL */
- struct {
- int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
- int _fd;
- } _sigpoll;
- } _sifields;
-} compat_siginfo_t;
-
#define COMPAT_OFF_T_MAX 0x7fffffff
/*
diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index 54a6159b9cd8..44d379db3f64 100644
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -70,75 +70,6 @@ struct rt_signal_frame32 {
/* __siginfo_rwin_t * */u32 rwin_save;
} __attribute__((aligned(8)));
-int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from)
-{
- int err;
-
- if (!access_ok(VERIFY_WRITE, to, sizeof(compat_siginfo_t)))
- return -EFAULT;
-
- /* If you change siginfo_t structure, please be sure
- this code is fixed accordingly.
- It should never copy any pad contained in the structure
- to avoid security leaks, but must copy the generic
- 3 ints plus the relevant union member.
- This routine must convert siginfo from 64bit to 32bit as well
- at the same time. */
- err = __put_user(from->si_signo, &to->si_signo);
- err |= __put_user(from->si_errno, &to->si_errno);
- err |= __put_user(from->si_code, &to->si_code);
- if (from->si_code < 0)
- err |= __copy_to_user(&to->_sifields._pad, &from->_sifields._pad, SI_PAD_SIZE);
- else {
- switch (siginfo_layout(from->si_signo, from->si_code)) {
- case SIL_TIMER:
- err |= __put_user(from->si_tid, &to->si_tid);
- err |= __put_user(from->si_overrun, &to->si_overrun);
- err |= __put_user(from->si_int, &to->si_int);
- break;
- case SIL_CHLD:
- err |= __put_user(from->si_utime, &to->si_utime);
- err |= __put_user(from->si_stime, &to->si_stime);
- err |= __put_user(from->si_status, &to->si_status);
- default:
- case SIL_KILL:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- break;
- case SIL_FAULT:
- err |= __put_user(from->si_trapno, &to->si_trapno);
- err |= __put_user((unsigned long)from->si_addr, &to->si_addr);
- break;
- case SIL_POLL:
- err |= __put_user(from->si_band, &to->si_band);
- err |= __put_user(from->si_fd, &to->si_fd);
- break;
- case SIL_RT:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- err |= __put_user(from->si_int, &to->si_int);
- break;
- }
- }
- return err;
-}
-
-/* CAUTION: This is just a very minimalist implementation for the
- * sake of compat_sys_rt_sigqueueinfo()
- */
-int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
-{
- if (!access_ok(VERIFY_WRITE, from, sizeof(compat_siginfo_t)))
- return -EFAULT;
-
- if (copy_from_user(to, from, 3*sizeof(int)) ||
- copy_from_user(to->_sifields._pad, from->_sifields._pad,
- SI_PAD_SIZE))
- return -EFAULT;
-
- return 0;
-}
-
/* Checks if the fp is valid. We always build signal frames which are
* 16-byte aligned, therefore we can always enforce that the restore
* frame has that property as well.
diff --git a/arch/tile/include/asm/compat.h b/arch/tile/include/asm/compat.h
index 62a7b83025dd..769ff6ac0bf5 100644
--- a/arch/tile/include/asm/compat.h
+++ b/arch/tile/include/asm/compat.h
@@ -110,68 +110,6 @@ struct compat_flock64 {
typedef u32 compat_sigset_word;
-typedef union compat_sigval {
- compat_int_t sival_int;
- compat_uptr_t sival_ptr;
-} compat_sigval_t;
-
-#define COMPAT_SI_PAD_SIZE (128/sizeof(int) - 3)
-
-typedef struct compat_siginfo {
- int si_signo;
- int si_errno;
- int si_code;
-
- union {
- int _pad[COMPAT_SI_PAD_SIZE];
-
- /* kill() */
- struct {
- unsigned int _pid; /* sender's pid */
- unsigned int _uid; /* sender's uid */
- } _kill;
-
- /* POSIX.1b timers */
- struct {
- compat_timer_t _tid; /* timer id */
- int _overrun; /* overrun count */
- compat_sigval_t _sigval; /* same as below */
- int _sys_private; /* not to be passed to user */
- int _overrun_incr; /* amount to add to overrun */
- } _timer;
-
- /* POSIX.1b signals */
- struct {
- unsigned int _pid; /* sender's pid */
- unsigned int _uid; /* sender's uid */
- compat_sigval_t _sigval;
- } _rt;
-
- /* SIGCHLD */
- struct {
- unsigned int _pid; /* which child */
- unsigned int _uid; /* sender's uid */
- int _status; /* exit code */
- compat_clock_t _utime;
- compat_clock_t _stime;
- } _sigchld;
-
- /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
- struct {
- unsigned int _addr; /* faulting insn/memory ref. */
-#ifdef __ARCH_SI_TRAPNO
- int _trapno; /* TRAP # which caused the signal */
-#endif
- } _sigfault;
-
- /* SIGPOLL */
- struct {
- int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
- int _fd;
- } _sigpoll;
- } _sifields;
-} compat_siginfo_t;
-
#define COMPAT_OFF_T_MAX 0x7fffffff
struct compat_ipc64_perm {
diff --git a/arch/tile/include/uapi/asm/siginfo.h b/arch/tile/include/uapi/asm/siginfo.h
index f234d24fff55..a812fcbf4267 100644
--- a/arch/tile/include/uapi/asm/siginfo.h
+++ b/arch/tile/include/uapi/asm/siginfo.h
@@ -24,12 +24,4 @@
#include <asm-generic/siginfo.h>
-/*
- * Additional Tile-specific SIGILL si_codes
- */
-#define ILL_DBLFLT 9 /* double fault */
-#define ILL_HARDWALL 10 /* user networks hardwall violation */
-#undef NSIGILL
-#define NSIGILL 10
-
#endif /* _ASM_TILE_SIGINFO_H */
diff --git a/arch/tile/kernel/compat_signal.c b/arch/tile/kernel/compat_signal.c
index 971d87a1d8cf..a703bd0e0488 100644
--- a/arch/tile/kernel/compat_signal.c
+++ b/arch/tile/kernel/compat_signal.c
@@ -50,79 +50,6 @@ struct compat_rt_sigframe {
struct compat_ucontext uc;
};
-int copy_siginfo_to_user32(struct compat_siginfo __user *to, const siginfo_t *from)
-{
- int err;
-
- if (!access_ok(VERIFY_WRITE, to, sizeof(struct compat_siginfo)))
- return -EFAULT;
-
- /* If you change siginfo_t structure, please make sure that
- this code is fixed accordingly.
- It should never copy any pad contained in the structure
- to avoid security leaks, but must copy the generic
- 3 ints plus the relevant union member. */
- err = __put_user(from->si_signo, &to->si_signo);
- err |= __put_user(from->si_errno, &to->si_errno);
- err |= __put_user(from->si_code, &to->si_code);
-
- if (from->si_code < 0) {
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- err |= __put_user(from->si_int, &to->si_int);
- } else {
- /*
- * First 32bits of unions are always present:
- * si_pid === si_band === si_tid === si_addr(LS half)
- */
- err |= __put_user(from->_sifields._pad[0],
- &to->_sifields._pad[0]);
- switch (siginfo_layout(from->si_signo, from->si_code)) {
- case SIL_FAULT:
- break;
- case SIL_CHLD:
- err |= __put_user(from->si_utime, &to->si_utime);
- err |= __put_user(from->si_stime, &to->si_stime);
- err |= __put_user(from->si_status, &to->si_status);
- /* FALL THROUGH */
- default:
- case SIL_KILL:
- err |= __put_user(from->si_uid, &to->si_uid);
- break;
- case SIL_POLL:
- err |= __put_user(from->si_fd, &to->si_fd);
- break;
- case SIL_TIMER:
- err |= __put_user(from->si_overrun, &to->si_overrun);
- err |= __put_user(from->si_int, &to->si_int);
- break;
- case SIL_RT:
- err |= __put_user(from->si_uid, &to->si_uid);
- err |= __put_user(from->si_int, &to->si_int);
- break;
- }
- }
- return err;
-}
-
-int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from)
-{
- int err;
-
- if (!access_ok(VERIFY_READ, from, sizeof(struct compat_siginfo)))
- return -EFAULT;
-
- err = __get_user(to->si_signo, &from->si_signo);
- err |= __get_user(to->si_errno, &from->si_errno);
- err |= __get_user(to->si_code, &from->si_code);
-
- err |= __get_user(to->si_pid, &from->si_pid);
- err |= __get_user(to->si_uid, &from->si_uid);
- err |= __get_user(to->si_int, &from->si_int);
-
- return err;
-}
-
/* The assembly shim for this function arranges to ignore the return value. */
long compat_sys_rt_sigreturn(void)
{
diff --git a/arch/tile/kernel/single_step.c b/arch/tile/kernel/single_step.c
index de3eae813e52..479d8033a801 100644
--- a/arch/tile/kernel/single_step.c
+++ b/arch/tile/kernel/single_step.c
@@ -163,11 +163,13 @@ static tilepro_bundle_bits rewrite_load_store_unaligned(
* actual bad address in an SPR, which it doesn't.
*/
if (align_ctl == 0) {
- siginfo_t info = {
- .si_signo = SIGBUS,
- .si_code = BUS_ADRALN,
- .si_addr = addr
- };
+ siginfo_t info;
+
+ clear_siginfo(&info);
+ info.si_signo = SIGBUS;
+ info.si_code = BUS_ADRALN;
+ info.si_addr = addr;
+
trace_unhandled_signal("unaligned trap", regs,
(unsigned long)addr, SIGBUS);
force_sig_info(info.si_signo, &info, current);
@@ -210,11 +212,13 @@ static tilepro_bundle_bits rewrite_load_store_unaligned(
}
if (err) {
- siginfo_t info = {
- .si_signo = SIGBUS,
- .si_code = BUS_ADRALN,
- .si_addr = addr
- };
+ siginfo_t info;
+
+ clear_siginfo(&info);
+ info.si_signo = SIGBUS;
+ info.si_code = BUS_ADRALN;
+ info.si_addr = addr;
+
trace_unhandled_signal("bad address for unaligned fixup", regs,
(unsigned long)addr, SIGBUS);
force_sig_info(info.si_signo, &info, current);
diff --git a/arch/tile/kernel/traps.c b/arch/tile/kernel/traps.c
index 9b08c6055f15..83a7186198d7 100644
--- a/arch/tile/kernel/traps.c
+++ b/arch/tile/kernel/traps.c
@@ -256,12 +256,14 @@ static int do_bpt(struct pt_regs *regs)
void __kprobes do_trap(struct pt_regs *regs, int fault_num,
unsigned long reason)
{
- siginfo_t info = { 0 };
+ siginfo_t info;
int signo, code;
unsigned long address = 0;
tile_bundle_bits instr;
int is_kernel = !user_mode(regs);
+ clear_siginfo(&info);
+
/* Handle breakpoints, etc. */
if (is_kernel && fault_num == INT_ILL && do_bpt(regs))
return;
diff --git a/arch/tile/kernel/unaligned.c b/arch/tile/kernel/unaligned.c
index 8149c38f67b6..77a0b6b6a2a1 100644
--- a/arch/tile/kernel/unaligned.c
+++ b/arch/tile/kernel/unaligned.c
@@ -980,11 +980,13 @@ void jit_bundle_gen(struct pt_regs *regs, tilegx_bundle_bits bundle,
}
if ((align_ctl == 0) || unexpected) {
- siginfo_t info = {
- .si_signo = SIGBUS,
- .si_code = BUS_ADRALN,
- .si_addr = (unsigned char __user *)0
- };
+ siginfo_t info;
+
+ clear_siginfo(&info);
+ info.si_signo = SIGBUS;
+ info.si_code = BUS_ADRALN;
+ info.si_addr = (unsigned char __user *)0;
+
if (unaligned_printk)
pr_info("Unalign bundle: unexp @%llx, %llx\n",
(unsigned long long)regs->pc,
@@ -1396,11 +1398,12 @@ void jit_bundle_gen(struct pt_regs *regs, tilegx_bundle_bits bundle,
&frag, sizeof(frag));
if (status) {
/* Fail to copy JIT into user land. send SIGSEGV. */
- siginfo_t info = {
- .si_signo = SIGSEGV,
- .si_code = SEGV_MAPERR,
- .si_addr = (void __user *)&jit_code_area[idx]
- };
+ siginfo_t info;
+
+ clear_siginfo(&info);
+ info.si_signo = SIGSEGV;
+ info.si_code = SEGV_MAPERR;
+ info.si_addr = (void __user *)&jit_code_area[idx];
pr_warn("Unalign fixup: pid=%d %s jit_code_area=%llx\n",
current->pid, current->comm,
@@ -1511,11 +1514,12 @@ void do_unaligned(struct pt_regs *regs, int vecnum)
* If so, we will trigger SIGBUS.
*/
if ((regs->sp & 0x7) || (regs->ex1) || (align_ctl < 0)) {
- siginfo_t info = {
- .si_signo = SIGBUS,
- .si_code = BUS_ADRALN,
- .si_addr = (unsigned char __user *)0
- };
+ siginfo_t info;
+
+ clear_siginfo(&info);
+ info.si_signo = SIGBUS;
+ info.si_code = BUS_ADRALN;
+ info.si_addr = (unsigned char __user *)0;
if (unaligned_printk)
pr_info("Unalign fixup: %d %llx @%llx\n",
@@ -1535,11 +1539,13 @@ void do_unaligned(struct pt_regs *regs, int vecnum)
pc = (tilegx_bundle_bits __user *)(regs->pc);
if (get_user(bundle, pc) != 0) {
/* Probably never be here since pc is valid user address.*/
- siginfo_t info = {
- .si_signo = SIGSEGV,
- .si_code = SEGV_MAPERR,
- .si_addr = (void __user *)pc
- };
+ siginfo_t info;
+
+ clear_siginfo(&info);
+ info.si_signo = SIGSEGV;
+ info.si_code = SEGV_MAPERR;
+ info.si_addr = (void __user *)pc;
+
pr_err("Couldn't read instruction at %p trying to step\n", pc);
trace_unhandled_signal("segfault in unalign fixup", regs,
(unsigned long)info.si_addr, SIGSEGV);
diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c
index 428644175956..b2b02df9896e 100644
--- a/arch/um/kernel/trap.c
+++ b/arch/um/kernel/trap.c
@@ -306,7 +306,7 @@ void relay_signal(int sig, struct siginfo *si, struct uml_pt_regs *regs)
arch_examine_signal(sig, regs);
- memset(&clean_si, 0, sizeof(clean_si));
+ clear_siginfo(&clean_si);
clean_si.si_signo = si->si_signo;
clean_si.si_errno = si->si_errno;
clean_si.si_code = si->si_code;
diff --git a/arch/x86/include/asm/compat.h b/arch/x86/include/asm/compat.h
index 2cbd75dd2fd3..e1c8dab86670 100644
--- a/arch/x86/include/asm/compat.h
+++ b/arch/x86/include/asm/compat.h
@@ -127,88 +127,6 @@ typedef u32 compat_old_sigset_t; /* at least 32 bits */
typedef u32 compat_sigset_word;
-typedef union compat_sigval {
- compat_int_t sival_int;
- compat_uptr_t sival_ptr;
-} compat_sigval_t;
-
-typedef struct compat_siginfo {
- int si_signo;
- int si_errno;
- int si_code;
-
- union {
- int _pad[128/sizeof(int) - 3];
-
- /* kill() */
- struct {
- unsigned int _pid; /* sender's pid */
- unsigned int _uid; /* sender's uid */
- } _kill;
-
- /* POSIX.1b timers */
- struct {
- compat_timer_t _tid; /* timer id */
- int _overrun; /* overrun count */
- compat_sigval_t _sigval; /* same as below */
- int _sys_private; /* not to be passed to user */
- int _overrun_incr; /* amount to add to overrun */
- } _timer;
-
- /* POSIX.1b signals */
- struct {
- unsigned int _pid; /* sender's pid */
- unsigned int _uid; /* sender's uid */
- compat_sigval_t _sigval;
- } _rt;
-
- /* SIGCHLD */
- struct {
- unsigned int _pid; /* which child */
- unsigned int _uid; /* sender's uid */
- int _status; /* exit code */
- compat_clock_t _utime;
- compat_clock_t _stime;
- } _sigchld;
-
- /* SIGCHLD (x32 version) */
- struct {
- unsigned int _pid; /* which child */
- unsigned int _uid; /* sender's uid */
- int _status; /* exit code */
- compat_s64 _utime;
- compat_s64 _stime;
- } _sigchld_x32;
-
- /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
- struct {
- unsigned int _addr; /* faulting insn/memory ref. */
- short int _addr_lsb; /* Valid LSB of the reported address. */
- union {
- /* used when si_code=SEGV_BNDERR */
- struct {
- compat_uptr_t _lower;
- compat_uptr_t _upper;
- } _addr_bnd;
- /* used when si_code=SEGV_PKUERR */
- compat_u32 _pkey;
- };
- } _sigfault;
-
- /* SIGPOLL */
- struct {
- int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
- int _fd;
- } _sigpoll;
-
- struct {
- unsigned int _call_addr; /* calling insn */
- int _syscall; /* triggering system call number */
- unsigned int _arch; /* AUDIT_ARCH_* of syscall */
- } _sigsys;
- } _sifields;
-} compat_siginfo_t;
-
#define COMPAT_OFF_T_MAX 0x7fffffff
struct compat_ipc64_perm {
@@ -331,4 +249,8 @@ static inline bool in_compat_syscall(void)
}
#define in_compat_syscall in_compat_syscall /* override the generic impl */
+struct compat_siginfo;
+int __copy_siginfo_to_user32(struct compat_siginfo __user *to,
+ const siginfo_t *from, bool x32_ABI);
+
#endif /* _ASM_X86_COMPAT_H */
diff --git a/arch/x86/include/asm/fpu/signal.h b/arch/x86/include/asm/fpu/signal.h
index 4df2754ef380..44bbc39a57b3 100644
--- a/arch/x86/include/asm/fpu/signal.h
+++ b/arch/x86/include/asm/fpu/signal.h
@@ -20,12 +20,6 @@ int ia32_setup_frame(int sig, struct ksignal *ksig,
# define ia32_setup_rt_frame __setup_rt_frame
#endif
-#ifdef CONFIG_COMPAT
-int __copy_siginfo_to_user32(compat_siginfo_t __user *to,
- const siginfo_t *from, bool x32_ABI);
-#endif
-
-
extern void convert_from_fxsr(struct user_i387_ia32_struct *env,
struct task_struct *tsk);
extern void convert_to_fxsr(struct task_struct *tsk,
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index c3655e0fc156..ba1f9555fbc5 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -591,7 +591,7 @@ static int srao_decode_notifier(struct notifier_block *nb, unsigned long val,
if (mce_usable_address(mce) && (mce->severity == MCE_AO_SEVERITY)) {
pfn = mce->addr >> PAGE_SHIFT;
- memory_failure(pfn, MCE_VECTOR, 0);
+ memory_failure(pfn, 0);
}
return NOTIFY_OK;
@@ -1055,7 +1055,7 @@ static int do_memory_failure(struct mce *m)
pr_err("Uncorrected hardware memory error in user-access at %llx", m->addr);
if (!(m->mcgstatus & MCG_STATUS_RIPV))
flags |= MF_MUST_KILL;
- ret = memory_failure(m->addr >> PAGE_SHIFT, MCE_VECTOR, flags);
+ ret = memory_failure(m->addr >> PAGE_SHIFT, flags);
if (ret)
pr_err("Memory error not recovered");
return ret;
@@ -1334,7 +1334,7 @@ out_ist:
EXPORT_SYMBOL_GPL(do_machine_check);
#ifndef CONFIG_MEMORY_FAILURE
-int memory_failure(unsigned long pfn, int vector, int flags)
+int memory_failure(unsigned long pfn, int flags)
{
/* mce_severity() should not hand us an ACTION_REQUIRED error */
BUG_ON(flags & MF_ACTION_REQUIRED);
diff --git a/arch/x86/kernel/signal_compat.c b/arch/x86/kernel/signal_compat.c
index 8c6da1a643da..ac057f9b0763 100644
--- a/arch/x86/kernel/signal_compat.c
+++ b/arch/x86/kernel/signal_compat.c
@@ -25,8 +25,8 @@ static inline void signal_compat_build_tests(void)
* limits also have to look at this code. Make sure any
* new fields are handled in copy_siginfo_to_user32()!
*/
- BUILD_BUG_ON(NSIGILL != 8);
- BUILD_BUG_ON(NSIGFPE != 8);
+ BUILD_BUG_ON(NSIGILL != 11);
+ BUILD_BUG_ON(NSIGFPE != 13);
BUILD_BUG_ON(NSIGSEGV != 4);
BUILD_BUG_ON(NSIGBUS != 5);
BUILD_BUG_ON(NSIGTRAP != 4);
@@ -64,7 +64,7 @@ static inline void signal_compat_build_tests(void)
CHECK_SI_SIZE (_kill, 2*sizeof(int));
CHECK_CSI_OFFSET(_timer);
- CHECK_CSI_SIZE (_timer, 5*sizeof(int));
+ CHECK_CSI_SIZE (_timer, 3*sizeof(int));
CHECK_SI_SIZE (_timer, 6*sizeof(int));
CHECK_CSI_OFFSET(_rt);
@@ -75,9 +75,11 @@ static inline void signal_compat_build_tests(void)
CHECK_CSI_SIZE (_sigchld, 5*sizeof(int));
CHECK_SI_SIZE (_sigchld, 8*sizeof(int));
+#ifdef CONFIG_X86_X32_ABI
CHECK_CSI_OFFSET(_sigchld_x32);
CHECK_CSI_SIZE (_sigchld_x32, 7*sizeof(int));
/* no _sigchld_x32 in the generic siginfo_t */
+#endif
CHECK_CSI_OFFSET(_sigfault);
CHECK_CSI_SIZE (_sigfault, 4*sizeof(int));
@@ -96,6 +98,8 @@ static inline void signal_compat_build_tests(void)
void sigaction_compat_abi(struct k_sigaction *act, struct k_sigaction *oact)
{
+ signal_compat_build_tests();
+
/* Don't leak in-kernel non-uapi flags to user-space */
if (oact)
oact->sa.sa_flags &= ~(SA_IA32_ABI | SA_X32_ABI);
@@ -111,116 +115,3 @@ void sigaction_compat_abi(struct k_sigaction *act, struct k_sigaction *oact)
if (in_x32_syscall())
act->sa.sa_flags |= SA_X32_ABI;
}
-
-int __copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from,
- bool x32_ABI)
-{
- int err = 0;
-
- signal_compat_build_tests();
-
- if (!access_ok(VERIFY_WRITE, to, sizeof(compat_siginfo_t)))
- return -EFAULT;
-
- put_user_try {
- /* If you change siginfo_t structure, please make sure that
- this code is fixed accordingly.
- It should never copy any pad contained in the structure
- to avoid security leaks, but must copy the generic
- 3 ints plus the relevant union member. */
- put_user_ex(from->si_signo, &to->si_signo);
- put_user_ex(from->si_errno, &to->si_errno);
- put_user_ex(from->si_code, &to->si_code);
-
- if (from->si_code < 0) {
- put_user_ex(from->si_pid, &to->si_pid);
- put_user_ex(from->si_uid, &to->si_uid);
- put_user_ex(ptr_to_compat(from->si_ptr), &to->si_ptr);
- } else {
- /*
- * First 32bits of unions are always present:
- * si_pid === si_band === si_tid === si_addr(LS half)
- */
- put_user_ex(from->_sifields._pad[0],
- &to->_sifields._pad[0]);
- switch (siginfo_layout(from->si_signo, from->si_code)) {
- case SIL_FAULT:
- if (from->si_signo == SIGBUS &&
- (from->si_code == BUS_MCEERR_AR ||
- from->si_code == BUS_MCEERR_AO))
- put_user_ex(from->si_addr_lsb, &to->si_addr_lsb);
-
- if (from->si_signo == SIGSEGV) {
- if (from->si_code == SEGV_BNDERR) {
- compat_uptr_t lower = (unsigned long)from->si_lower;
- compat_uptr_t upper = (unsigned long)from->si_upper;
- put_user_ex(lower, &to->si_lower);
- put_user_ex(upper, &to->si_upper);
- }
- if (from->si_code == SEGV_PKUERR)
- put_user_ex(from->si_pkey, &to->si_pkey);
- }
- break;
- case SIL_SYS:
- put_user_ex(from->si_syscall, &to->si_syscall);
- put_user_ex(from->si_arch, &to->si_arch);
- break;
- case SIL_CHLD:
- if (!x32_ABI) {
- put_user_ex(from->si_utime, &to->si_utime);
- put_user_ex(from->si_stime, &to->si_stime);
- } else {
- put_user_ex(from->si_utime, &to->_sifields._sigchld_x32._utime);
- put_user_ex(from->si_stime, &to->_sifields._sigchld_x32._stime);
- }
- put_user_ex(from->si_status, &to->si_status);
- /* FALL THROUGH */
- case SIL_KILL:
- put_user_ex(from->si_uid, &to->si_uid);
- break;
- case SIL_POLL:
- put_user_ex(from->si_fd, &to->si_fd);
- break;
- case SIL_TIMER:
- put_user_ex(from->si_overrun, &to->si_overrun);
- put_user_ex(ptr_to_compat(from->si_ptr),
- &to->si_ptr);
- break;
- case SIL_RT:
- put_user_ex(from->si_uid, &to->si_uid);
- put_user_ex(from->si_int, &to->si_int);
- break;
- }
- }
- } put_user_catch(err);
-
- return err;
-}
-
-/* from syscall's path, where we know the ABI */
-int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from)
-{
- return __copy_siginfo_to_user32(to, from, in_x32_syscall());
-}
-
-int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
-{
- int err = 0;
- u32 ptr32;
-
- if (!access_ok(VERIFY_READ, from, sizeof(compat_siginfo_t)))
- return -EFAULT;
-
- get_user_try {
- get_user_ex(to->si_signo, &from->si_signo);
- get_user_ex(to->si_errno, &from->si_errno);
- get_user_ex(to->si_code, &from->si_code);
-
- get_user_ex(to->si_pid, &from->si_pid);
- get_user_ex(to->si_uid, &from->si_uid);
- get_user_ex(ptr32, &from->si_ptr);
- to->si_ptr = compat_ptr(ptr32);
- } get_user_catch(err);
-
- return err;
-}
diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c
index e2461968efb2..c0845cb1cbb9 100644
--- a/arch/xtensa/kernel/ptrace.c
+++ b/arch/xtensa/kernel/ptrace.c
@@ -278,7 +278,6 @@ static void ptrace_hbptriggered(struct perf_event *bp,
struct pt_regs *regs)
{
int i;
- siginfo_t info;
struct arch_hw_breakpoint *bkpt = counter_arch_bp(bp);
if (bp->attr.bp_type & HW_BREAKPOINT_X) {
@@ -293,12 +292,7 @@ static void ptrace_hbptriggered(struct perf_event *bp,
i = (i << 1) | 1;
}
- info.si_signo = SIGTRAP;
- info.si_errno = i;
- info.si_code = TRAP_HWBKPT;
- info.si_addr = (void __user *)bkpt->address;
-
- force_sig_info(SIGTRAP, &info, current);
+ force_sig_ptrace_errno_trap(i, (void __user *)bkpt->address);
}
static struct perf_event *ptrace_hbp_create(struct task_struct *tsk, int type)