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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-08-01 14:21:12 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-09-26 12:43:10 -0400 |
| commit | 13fe4ba1b64c099843c75b4f0633ad30a4526637 (patch) | |
| tree | 28d579d3ed2cccf72f77963fbf6e5f15eff4ee92 | |
| parent | 8a9a8b8332b92b13316cf49685b5dc5257cfe115 (diff) | |
| download | linux-13fe4ba1b64c099843c75b4f0633ad30a4526637.tar.bz2 | |
NFSv4.1: decode_getdeviceinfo should check xdr_read_pages() return value
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| -rw-r--r-- | fs/nfs/nfs4xdr.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 8dba6bd48557..a756349b0fa4 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -5642,7 +5642,8 @@ static int decode_getdeviceinfo(struct xdr_stream *xdr, * and places the remaining xdr data in xdr_buf->tail */ pdev->mincount = be32_to_cpup(p); - xdr_read_pages(xdr, pdev->mincount); /* include space for the length */ + if (xdr_read_pages(xdr, pdev->mincount) != pdev->mincount) + goto out_overflow; /* Parse notification bitmap, verifying that it is zero. */ p = xdr_inline_decode(xdr, 4); |