diff options
| author | Dinghao Liu <dinghao.liu@zju.edu.cn> | 2021-01-05 14:03:40 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-04 10:26:25 +0100 |
| commit | 5501892826bb8373c1cf38d3b80c65c1b29514bd (patch) | |
| tree | 8b08aa6b185d7973d1eb1ad7d1cab042dc838fda /fs/ubifs | |
| parent | c4ede7571b4fc05dc1d9d799d466cc5275173082 (diff) | |
ubifs: Fix memleak in ubifs_init_authentication
[ Upstream commit 11b8ab3836454a2600e396f34731e491b661f9d5 ]
When crypto_shash_digestsize() fails, c->hmac_tfm
has not been freed before returning, which leads
to memleak.
Fixes: 49525e5eecca5 ("ubifs: Add helper functions for authentication support")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'fs/ubifs')
| -rw-r--r-- | fs/ubifs/auth.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ubifs/auth.c b/fs/ubifs/auth.c index b10418b5fb71..8be17a773196 100644 --- a/fs/ubifs/auth.c +++ b/fs/ubifs/auth.c @@ -342,7 +342,7 @@ int ubifs_init_authentication(struct ubifs_info *c) ubifs_err(c, "hmac %s is bigger than maximum allowed hmac size (%d > %d)", hmac_name, c->hmac_desc_len, UBIFS_HMAC_ARR_SZ); err = -EINVAL; - goto out_free_hash; + goto out_free_hmac; } err = crypto_shash_setkey(c->hmac_tfm, ukp->data, ukp->datalen); |