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tomoyo: fix potential use after free

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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>
This commit is contained in:
Dan Carpenter 2010-03-13 14:14:22 +03:00 committed by James Morris
parent bca14dd14f
commit 181427a7e0
1 changed files with 1 additions and 0 deletions
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security/tomoyo/common.c
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@ -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++)