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authorIngo Molnar <mingo@elte.hu>2009-03-13 11:05:58 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-13 11:05:58 +0100
commitcd80a8142efa3468c2cd9fb52845f334c3220d54 (patch)
tree919e88994bd3c09b34ce852d0a09bb0655d231d0 /kernel/panic.c
parent641cd4cfcdc71ce01535b31cc4d57d59a1fae1fc (diff)
parenta98fe7f3425c6b4e90de16f8da63b0429a8fed08 (diff)
Merge branch 'x86/core' into core/ipi
Diffstat (limited to 'kernel/panic.c')
-rw-r--r--kernel/panic.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/panic.c b/kernel/panic.c
index 2a2ff36ff44..32fe4eff1b8 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -74,6 +74,9 @@ NORET_TYPE void panic(const char * fmt, ...)
vsnprintf(buf, sizeof(buf), fmt, args);
va_end(args);
printk(KERN_EMERG "Kernel panic - not syncing: %s\n",buf);
+#ifdef CONFIG_DEBUG_BUGVERBOSE
+ dump_stack();
+#endif
bust_spinlocks(0);
/*
@@ -355,15 +358,18 @@ EXPORT_SYMBOL(warn_slowpath);
#endif
#ifdef CONFIG_CC_STACKPROTECTOR
+
/*
* Called when gcc's -fstack-protector feature is used, and
* gcc detects corruption of the on-stack canary value
*/
void __stack_chk_fail(void)
{
- panic("stack-protector: Kernel stack is corrupted");
+ panic("stack-protector: Kernel stack is corrupted in: %p\n",
+ __builtin_return_address(0));
}
EXPORT_SYMBOL(__stack_chk_fail);
+
#endif
core_param(panic, panic_timeout, int, 0644);