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Commit 181427a7 authored by Dan Carpenter's avatar Dan Carpenter Committed by James Morris
Browse files

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: default avatarDan Carpenter <error27@gmail.com>
Acked-by: default avatarTetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: default avatarJames Morris <jmorris@namei.org>
parent bca14dd1

security/tomoyo/common.c

+1 −0
Original line number Diff line number Diff line
@@ -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++)