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ima: Fix potential memory leak in ima_init_crypto()

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[ Upstream commit 067d252187 ]

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: 6d94809af6 ("ima: Allocate and initialize tfm for each PCR bank")
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jianglei Nie 2022-07-12 09:10:37 +08:00 committed by Greg Kroah-Hartman
parent eb360267e1
commit c1d9702ceb
1 changed files with 1 additions and 0 deletions
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1
security/integrity/ima/ima_crypto.c
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@ -205,6 +205,7 @@ int __init ima_init_crypto(void)
crypto_free_shash(ima_algo_array[i].tfm); crypto_free_shash(ima_algo_array[i].tfm);
} }
kfree(ima_algo_array);
out: out:
crypto_free_shash(ima_shash_tfm); crypto_free_shash(ima_shash_tfm);
return rc; return rc;