adulau/aha
1
0
Fork 0
mirror of https://github.com/adulau/aha.git synced 2024-12-28 03:36:19 +00:00
Code Issues Projects Releases Packages Wiki Activity

panic: print out stacktrace if DEBUG_BUGVERBOSE

Browse source 
if CONFIG_DEBUG_BUGVERBOSE is set then the user most definitely wanted
to see as much information about kernel crashes as possible - so give
them at least a stack dump.

this is particularly useful for stackprotector related panics, where
the stacktrace can give us the exact location of the (attempted)
attack.

Pointed out by pageexec@freemail.hu in the stackprotector breakage
threads.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Ingo Molnar 2008-02-14 09:07:01 +01:00 committed by Thomas Gleixner
parent 517a92c4e1
commit 5cb273013e
1 changed files with 3 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
kernel/panic.c
View file

@ -80,6 +80,9 @@ 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);
/*