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arm64: Fix show_unhandled_signal_ratelimited usage
Commit86dca36e6b
introduced ratelimited usage for 'unhandled_signal' messages. The commit checks the ratelimit irrespective of whether the signal is handled or not, which is wrong and leads to false reports like the below in dmesg : __do_user_fault: 127 callbacks suppressed Do the ratelimit check only if the signal is unhandled. Fixes:86dca36e6b
("arm64: use private ratelimit state along with show_unhandled_signals") Cc: Vladimir Murzin <Vladimir.Murzin@arm.com> Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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@ -335,7 +335,7 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
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if (call_undef_hook(regs) == 0)
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return;
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if (show_unhandled_signals_ratelimited() && unhandled_signal(current, SIGILL)) {
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if (unhandled_signal(current, SIGILL) && show_unhandled_signals_ratelimited()) {
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pr_info("%s[%d]: undefined instruction: pc=%p\n",
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current->comm, task_pid_nr(current), pc);
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dump_instr(KERN_INFO, regs);
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@ -115,7 +115,7 @@ static void __do_user_fault(struct task_struct *tsk, unsigned long addr,
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{
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struct siginfo si;
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if (show_unhandled_signals_ratelimited() && unhandled_signal(tsk, sig)) {
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if (unhandled_signal(tsk, sig) && show_unhandled_signals_ratelimited()) {
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pr_info("%s[%d]: unhandled %s (%d) at 0x%08lx, esr 0x%03x\n",
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tsk->comm, task_pid_nr(tsk), fault_name(esr), sig,
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addr, esr);
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