diff options
Diffstat (limited to 'arch/i386/mm/fault.c')
-rw-r--r-- | arch/i386/mm/fault.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/i386/mm/fault.c b/arch/i386/mm/fault.c index e92a1012493..01ffdd4964f 100644 --- a/arch/i386/mm/fault.c +++ b/arch/i386/mm/fault.c | |||
@@ -283,6 +283,8 @@ static inline int vmalloc_fault(unsigned long address) | |||
283 | return 0; | 283 | return 0; |
284 | } | 284 | } |
285 | 285 | ||
286 | int show_unhandled_signals = 1; | ||
287 | |||
286 | /* | 288 | /* |
287 | * This routine handles page faults. It determines the address, | 289 | * This routine handles page faults. It determines the address, |
288 | * and the problem, and then passes it off to one of the appropriate | 290 | * and the problem, and then passes it off to one of the appropriate |
@@ -469,6 +471,14 @@ bad_area_nosemaphore: | |||
469 | if (is_prefetch(regs, address, error_code)) | 471 | if (is_prefetch(regs, address, error_code)) |
470 | return; | 472 | return; |
471 | 473 | ||
474 | if (show_unhandled_signals && unhandled_signal(tsk, SIGSEGV) && | ||
475 | printk_ratelimit()) { | ||
476 | printk("%s%s[%d]: segfault at %08lx eip %08lx " | ||
477 | "esp %08lx error %lx\n", | ||
478 | tsk->pid > 1 ? KERN_INFO : KERN_EMERG, | ||
479 | tsk->comm, tsk->pid, address, regs->eip, | ||
480 | regs->esp, error_code); | ||
481 | } | ||
472 | tsk->thread.cr2 = address; | 482 | tsk->thread.cr2 = address; |
473 | /* Kernel addresses are always protection faults */ | 483 | /* Kernel addresses are always protection faults */ |
474 | tsk->thread.error_code = error_code | (address >= TASK_SIZE); | 484 | tsk->thread.error_code = error_code | (address >= TASK_SIZE); |