diff options
| -rw-r--r-- | fs/nfs/callback_xdr.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c index 726e59a9e50..d50b2742f23 100644 --- a/fs/nfs/callback_xdr.c +++ b/fs/nfs/callback_xdr.c @@ -305,6 +305,10 @@ __be32 decode_devicenotify_args(struct svc_rqst *rqstp, n = ntohl(*p++); if (n <= 0) goto out; + if (n > ULONG_MAX / sizeof(*args->devs)) { + status = htonl(NFS4ERR_BADXDR); + goto out; + } args->devs = kmalloc(n * sizeof(*args->devs), GFP_KERNEL); if (!args->devs) { |