diff options
| author | Catalin Marinas <catalin.marinas@arm.com> | 2013-05-21 12:16:56 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2013-05-24 17:31:04 +0100 |
| commit | 953dbbed9ee310100bc841cdea8f992d192531c6 (patch) | |
| tree | 057f5909fd8f0153a43087d57fe616ef57734398 /arch/arm64/kernel | |
| parent | 726dcaa158b316f02f7dec2cf6dbf61c30a8bf22 (diff) | |
arm64: Do not report user faults for handled signals
Currently user faults (page, undefined instruction) are always reported
even though the user may have a signal handler for them. This patch adds
unhandled_signal() check together with printk_ratelimit() for these
cases.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/kernel')
| -rw-r--r-- | arch/arm64/kernel/traps.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c index 61d7dd29f756..f1ff9bad00f7 100644 --- a/arch/arm64/kernel/traps.c +++ b/arch/arm64/kernel/traps.c @@ -267,7 +267,8 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs) return; #endif - if (show_unhandled_signals) { + if (show_unhandled_signals && unhandled_signal(current, SIGILL) && + printk_ratelimit()) { pr_info("%s[%d]: undefined instruction: pc=%p\n", current->comm, task_pid_nr(current), pc); dump_instr(KERN_INFO, regs); @@ -294,7 +295,7 @@ asmlinkage long do_ni_syscall(struct pt_regs *regs) } #endif - if (show_unhandled_signals) { + if (show_unhandled_signals && printk_ratelimit()) { pr_info("%s[%d]: syscall %d\n", current->comm, task_pid_nr(current), (int)regs->syscallno); dump_instr("", regs); |