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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2012-06-12 10:37:08 +0300 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2013-09-10 01:57:10 +0100 |
| commit | 70bea7f2c038f04b5bc2e84f12615f79ed394d13 (patch) | |
| tree | f8a885a389d29aa7178f2979768f61d84b0930ad /fs/nfs | |
| parent | 433b06a8f4b04e560c3ad8e13bf60b1fa6186341 (diff) | |
| download | kernel_samsung_smdk4412-70bea7f2c038f04b5bc2e84f12615f79ed394d13.zip kernel_samsung_smdk4412-70bea7f2c038f04b5bc2e84f12615f79ed394d13.tar.gz kernel_samsung_smdk4412-70bea7f2c038f04b5bc2e84f12615f79ed394d13.tar.bz2 | |
NFSv4.1: integer overflow in decode_cb_sequence_args()
commit 0439f31c35d1da0b28988b308ea455e38e6a350d upstream.
This seems like it could overflow on 32 bits. Use kmalloc_array() which
has overflow protection built in.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/callback_xdr.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c index 168cb93..3fde055 100644 --- a/fs/nfs/callback_xdr.c +++ b/fs/nfs/callback_xdr.c @@ -451,9 +451,9 @@ static __be32 decode_cb_sequence_args(struct svc_rqst *rqstp, args->csa_nrclists = ntohl(*p++); args->csa_rclists = NULL; if (args->csa_nrclists) { - args->csa_rclists = kmalloc(args->csa_nrclists * - sizeof(*args->csa_rclists), - GFP_KERNEL); + args->csa_rclists = kmalloc_array(args->csa_nrclists, + sizeof(*args->csa_rclists), + GFP_KERNEL); if (unlikely(args->csa_rclists == NULL)) goto out; |