diff options
| author | Xiao Guangrong <[email protected]> | 2009-09-15 14:44:36 +0800 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2009-09-15 09:53:31 +0200 |
| commit | b3e62e35058fc744ac794611f4e79bcd1c5a4b83 (patch) | |
| tree | 797092fc19f9af8b6e5242c1987137dd362f51bc /arch/s390/kernel/debug.c | |
| parent | 74fca6a42863ffacaf7ba6f1936a9f228950f657 (diff) | |
perf_counter: Fix buffer overflow in perf_copy_attr()
If we pass a big size data over perf_counter_open() syscall,
the kernel will copy this data to a small buffer, it will
cause kernel crash.
This bug makes the kernel unsafe and non-root local user can
trigger it.
Signed-off-by: Xiao Guangrong <[email protected]>
Acked-by: Peter Zijlstra <[email protected]>
Acked-by: Paul Mackerras <[email protected]>
Cc: <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'arch/s390/kernel/debug.c')
0 files changed, 0 insertions, 0 deletions