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authorIngo Molnar <mingo@elte.hu>2008-02-14 09:02:13 +0100
committerThomas Gleixner <tglx@linutronix.de>2008-05-26 16:15:31 +0200
commit517a92c4e19fcea815332d3155e9fb7723251274 (patch)
tree75e57ff7749b37c3f78c23175b87e5908a0a3bc0 /kernel/panic.c
parent7e09b2a02dae4616a5a26000169964b32f86cd35 (diff)
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panic: print more informative messages on stackprotect failure
pointed out by pageexec@freemail.hu: we just simply panic() when there's a stackprotector attack - giving the attacked person no information about what kernel code the attack went against. print out the attacked function. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/panic.c')
-rw-r--r--kernel/panic.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/panic.c b/kernel/panic.c
index 425567f45b9..f236001cc4d 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -327,7 +327,8 @@ EXPORT_SYMBOL(warn_on_slowpath);
*/
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