renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-05 03:44:03 +08:00
Code

audit: Fix check of return value of strnlen_user()

Browse Source 
strnlen_user() returns 0 when it hits fault, not -1. Fix the test in
audit_log_single_execve_arg(). Luckily this shouldn't ever happen unless
there's a kernel bug so it's mostly a cosmetic fix.

CC: Paul Moore <pmoore@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Paul Moore <pmoore@redhat.com>
This commit is contained in:
Jan Kara 2015-06-02 17:08:29 +02:00 committed by Paul Moore
parent 5c1390c9ff
commit 0b08c5e594
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
kernel/auditsc.c
View File

@ -1021,7 +1021,7 @@ static int audit_log_single_execve_arg(struct audit_context *context,
* for strings that are too long, we should not have created
* any.
*/
if (unlikely((len == -1) || len > MAX_ARG_STRLEN - 1)) {
if (unlikely((len == 0) || len > MAX_ARG_STRLEN - 1)) {
WARN_ON(1);
send_sig(SIGKILL, current, 0);
return -1;