diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2016-03-16 17:06:01 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-03-17 19:09:00 +0800 |
| commit | d1558f4e95cb14b0fff5c0b839c15a21f7e8aed0 (patch) | |
| tree | d214356cb58f5bc51c210b45244bcf7dbab6f7e0 /fs/ecryptfs | |
| parent | 34074205bb9f04b416efb3cbedcd90f418c86200 (diff) | |
| download | lwn-d1558f4e95cb14b0fff5c0b839c15a21f7e8aed0.tar.gz lwn-d1558f4e95cb14b0fff5c0b839c15a21f7e8aed0.zip | |
eCryptfs: Use skcipher and shash
eCryptfs: Fix null pointer dereference on kzalloc error path
The conversion to skcipher and shash added a couple of null pointer
dereference bugs on the kzalloc failure path. This patch fixes them.
Fixes: 3095e8e366b4 ("eCryptfs: Use skcipher and shash")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'fs/ecryptfs')
| -rw-r--r-- | fs/ecryptfs/keystore.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c index c5c84dfb5b3e..9893d1538122 100644 --- a/fs/ecryptfs/keystore.c +++ b/fs/ecryptfs/keystore.c @@ -635,8 +635,7 @@ ecryptfs_write_tag_70_packet(char *dest, size_t *remaining_bytes, if (!s) { printk(KERN_ERR "%s: Out of memory whilst trying to kmalloc " "[%zd] bytes of kernel memory\n", __func__, sizeof(*s)); - rc = -ENOMEM; - goto out; + return -ENOMEM; } (*packet_size) = 0; rc = ecryptfs_find_auth_tok_for_sig( @@ -922,8 +921,7 @@ ecryptfs_parse_tag_70_packet(char **filename, size_t *filename_size, if (!s) { printk(KERN_ERR "%s: Out of memory whilst trying to kmalloc " "[%zd] bytes of kernel memory\n", __func__, sizeof(*s)); - rc = -ENOMEM; - goto out; + return -ENOMEM; } if (max_packet_size < ECRYPTFS_TAG_70_MIN_METADATA_SIZE) { printk(KERN_WARNING "%s: max_packet_size is [%zd]; it must be " |