diff options
| author |   Dan Carpenter <dan.carpenter@oracle.com> | 2022-03-15 13:30:09 +0300 |
|---|---|---|
| committer |   Chuck Lever <chuck.lever@oracle.com> | 2022-03-15 09:35:56 -0400 |
| commit | 184416d4b98509fb4c3d8fc3d6dc1437896cc159 (patch) | |
| tree | 142754edc3ddc62e00f7f297df7ab6028853e94f | |
| parent | fs/lock: documentation cleanup. Replace inode->i_lock with flc_lock. (diff) | |
| download | linux-dev-184416d4b98509fb4c3d8fc3d6dc1437896cc159.tar.xz linux-dev-184416d4b98509fb4c3d8fc3d6dc1437896cc159.zip | |
NFSD: prevent underflow in nfssvc_decode_writeargs()
Smatch complains:
fs/nfsd/nfsxdr.c:341 nfssvc_decode_writeargs()
warn: no lower bound on 'args->len'
Change the type to unsigned to prevent this issue.
Cc: stable@vger.kernel.org
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
| -rw-r--r-- | fs/nfsd/nfsproc.c | 2 | ||||
| -rw-r--r-- | fs/nfsd/xdr.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c index 18b8eb43a19b..fcdab8a8a41f 100644 --- a/fs/nfsd/nfsproc.c +++ b/fs/nfsd/nfsproc.c @@ -230,7 +230,7 @@ nfsd_proc_write(struct svc_rqst *rqstp) unsigned long cnt = argp->len; unsigned int nvecs; - dprintk("nfsd: WRITE %s %d bytes at %d\n", + dprintk("nfsd: WRITE %s %u bytes at %d\n", SVCFH_fmt(&argp->fh), argp->len, argp->offset); diff --git a/fs/nfsd/xdr.h b/fs/nfsd/xdr.h index 528fb299430e..852f71580bd0 100644 --- a/fs/nfsd/xdr.h +++ b/fs/nfsd/xdr.h @@ -32,7 +32,7 @@ struct nfsd_readargs { struct nfsd_writeargs { svc_fh fh; __u32 offset; - int len; + __u32 len; struct xdr_buf payload; }; |