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authorIngo Molnar <mingo@kernel.org>2018-03-12 12:10:03 +0100
committerIngo Molnar <mingo@kernel.org>2018-03-12 12:10:03 +0100
commit3c76db70eb70a0fbd40b3e0dec8f69ca344d1ff8 (patch)
treea9dd314ac18992cdc2c50d4de60535a1b76ee351 /arch/x86/kernel/kprobes/core.c
parent194a9749c73d650c0b1dfdee04fb0bdf0a888ba8 (diff)
parent7958b2246fadf54b7ff820a2a5a2c5ca1554716f (diff)
downloadlinux-3c76db70eb70a0fbd40b3e0dec8f69ca344d1ff8.tar.bz2
Merge branch 'x86/pti' into x86/mm, to pick up dependencies
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/kprobes/core.c')
-rw-r--r--arch/x86/kernel/kprobes/core.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c
index bd36f3c33cd0..0715f827607c 100644
--- a/arch/x86/kernel/kprobes/core.c
+++ b/arch/x86/kernel/kprobes/core.c
@@ -1168,10 +1168,18 @@ NOKPROBE_SYMBOL(longjmp_break_handler);
bool arch_within_kprobe_blacklist(unsigned long addr)
{
+ bool is_in_entry_trampoline_section = false;
+
+#ifdef CONFIG_X86_64
+ is_in_entry_trampoline_section =
+ (addr >= (unsigned long)__entry_trampoline_start &&
+ addr < (unsigned long)__entry_trampoline_end);
+#endif
return (addr >= (unsigned long)__kprobes_text_start &&
addr < (unsigned long)__kprobes_text_end) ||
(addr >= (unsigned long)__entry_text_start &&
- addr < (unsigned long)__entry_text_end);
+ addr < (unsigned long)__entry_text_end) ||
+ is_in_entry_trampoline_section;
}
int __init arch_init_kprobes(void)