lkml.org 
[lkml]   [2010]   [Mar]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[patch] tomoyo: fix potential use after free
The original code returns a freed pointer.  This function is expected to 
return NULL on errors.

Signed-off-by: Dan Carpenter <error27@gmail.com>

diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index ff51f10..ef89947 100644
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -886,6 +886,7 @@ static struct tomoyo_profile *tomoyo_find_or_assign_new_profile(const unsigned
ptr = kmalloc(sizeof(*ptr), GFP_KERNEL);
if (!tomoyo_memory_ok(ptr)) {
kfree(ptr);
+ ptr = NULL;
goto ok;
}
for (i = 0; i < TOMOYO_MAX_CONTROL_INDEX; i++)

\
 
 \ /
  Last update: 2010-03-13 12:23    [W:0.215 / U:0.060 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site