diff mbox series

[v2] ima/evm: Fix potential memory leak in ima_init_crypto()

Message ID 20220712011037.2328591-1-niejianglei2021@163.com (mailing list archive)
State New, archived
Headers show
Series [v2] ima/evm: Fix potential memory leak in ima_init_crypto() | expand

Commit Message

Jianglei Nie July 12, 2022, 1:10 a.m. UTC
On failure to allocate the SHA1 tfm, IMA fails to initialize and exits
without freeing the ima_algo_array. Add the missing kfree() for
ima_algo_array to avoid the potential memory leak.

Signed-off-by: Jianglei Nie <niejianglei2021@163.com>
---
 security/integrity/ima/ima_crypto.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Mimi Zohar July 12, 2022, 11:40 a.m. UTC | #1
On Tue, 2022-07-12 at 09:10 +0800, Jianglei Nie wrote:
> On failure to allocate the SHA1 tfm, IMA fails to initialize and exits
> without freeing the ima_algo_array. Add the missing kfree() for
> ima_algo_array to avoid the potential memory leak.
> 
> Signed-off-by: Jianglei Nie <niejianglei2021@163.com>

Thanks, Jianglei.  This patch is now queued in next-integrity/next-
integrity-testing.

Mimi
diff mbox series

Patch

diff --git a/security/integrity/ima/ima_crypto.c b/security/integrity/ima/ima_crypto.c
index a7206cc1d7d1..64499056648a 100644
--- a/security/integrity/ima/ima_crypto.c
+++ b/security/integrity/ima/ima_crypto.c
@@ -205,6 +205,7 @@  int __init ima_init_crypto(void)
 
 		crypto_free_shash(ima_algo_array[i].tfm);
 	}
+	kfree(ima_algo_array);
 out:
 	crypto_free_shash(ima_shash_tfm);
 	return rc;