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| author | Dan Carpenter <error27@gmail.com> | 2010-03-13 14:14:22 +0300 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2010-03-15 07:51:29 +1100 |
| commit | 181427a7e01beab76c789414334375839f026128 (patch) | |
| tree | 3a50a93331b536b80d9c393a034489c9678d8a13 /security/tomoyo | |
| parent | bca14dd14f3b0c5e3e2d1d314679f85b67871365 (diff) | |
| download | linux-3.10-181427a7e01beab76c789414334375839f026128.tar.gz linux-3.10-181427a7e01beab76c789414334375839f026128.tar.bz2 linux-3.10-181427a7e01beab76c789414334375839f026128.zip | |
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>
Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security/tomoyo')
| -rw-r--r-- | security/tomoyo/common.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c index ff51f1026b5..ef89947a774 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++) |