x86: i386-show-unhandled-signals-v3

[mirror_ubuntu-zesty-kernel.git] / arch / i386 / kernel / signal.c

diff --git a/arch/i386/kernel/signal.c b/arch/i386/kernel/signal.c
index d574e38f0f774e67896ad8cfbd8420faca9f9ec9..f5dd85656c1890eb93f8d25fc68fb2d97132e917 100644 (file)
--- a/arch/i386/kernel/signal.c
+++ b/arch/i386/kernel/signal.c
@@ -199,6 +199,13 @@ asmlinkage int sys_sigreturn(unsigned long __unused)
        return eax;
 
 badframe:
+       if (show_unhandled_signals && printk_ratelimit())
+               printk("%s%s[%d] bad frame in sigreturn frame:%p eip:%lx"
+                      " esp:%lx oeax:%lx\n",
+                   current->pid > 1 ? KERN_INFO : KERN_EMERG,
+                   current->comm, current->pid, frame, regs->eip,
+                   regs->esp, regs->orig_eax);
+
        force_sig(SIGSEGV, current);
        return 0;
 }