diff options
| -rw-r--r-- | arch/arm/kernel/signal.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 962851144099..c0ba8afee42f 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -470,6 +470,11 @@ setup_frame(int usig, struct k_sigaction *ka, sigset_t *set, struct pt_regs *reg if (!frame) return 1; + /* + * Set uc.uc_flags to a value which sc.trap_no would never have. + */ + __put_user_error(0x5ac3c35a, &frame->uc.uc_flags, err); + err |= setup_sigframe(frame, regs, set); if (err == 0) err = setup_return(regs, ka, frame->retcode, frame, usig); |