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gss_krb5: Fix the error handling path for crypto_sync_skcipher_setkey

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[ Upstream commit a3123341dc358952ce2bf8067fbdfb7eaadf71bb ]

If we fail to call crypto_sync_skcipher_setkey, we should free the
memory allocation for cipher, replace err_return with err_free_cipher
to free the memory of cipher.

Fixes: 4891f2d008 ("gss_krb5: import functionality to derive keys into the kernel")
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Gaosheng Cui 2024-07-06 14:50:08 +08:00 • committed by Greg Kroah-Hartman
parent 36e92b5edc
commit 477163b7f5
1 changed files with 1 additions and 1 deletions
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2
net/sunrpc/auth_gss/gss_krb5_keys.c
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@ -168,7 +168,7 @@ static int krb5_DK(const struct gss_krb5_enctype *gk5e,
goto err_return;
blocksize = crypto_sync_skcipher_blocksize(cipher);
if (crypto_sync_skcipher_setkey(cipher, inkey->data, inkey->len))
goto err_return;
goto err_free_cipher;
ret = -ENOMEM;
inblockdata = kmalloc(blocksize, gfp_mask);