Commit 067d2521 authored Jul 12, 2022 by Jianglei Nie Committed by Mimi Zohar Jul 13, 2022

ima: Fix potential memory leak in ima_init_crypto()



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>
Fixes: 6d94809a ("ima: Allocate and initialize tfm for each PCR bank")
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>

parent af16df54

security/integrity/ima/ima_crypto.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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;