diff options
| author | Dr. David Alan Gilbert | 2020-02-03 14:01:19 +0100 |
|---|---|---|
| committer | Dr. David Alan Gilbert | 2020-02-10 18:24:43 +0100 |
| commit | 99ce9a7e60fd12b213b985343ff8fcc172de59fd (patch) | |
| tree | 2a257e05b5e394c1472787f8098edc79ada44773 /tools/virtiofsd | |
| parent | virtiofsd: load_capng missing unlock (diff) | |
| download | qemu-99ce9a7e60fd12b213b985343ff8fcc172de59fd.tar.gz qemu-99ce9a7e60fd12b213b985343ff8fcc172de59fd.tar.xz qemu-99ce9a7e60fd12b213b985343ff8fcc172de59fd.zip | |
virtiofsd: do_read missing NULL check
Missing a NULL check if the argument fetch fails.
Fixes: Coverity CID 1413119
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'tools/virtiofsd')
| -rw-r--r-- | tools/virtiofsd/fuse_lowlevel.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/virtiofsd/fuse_lowlevel.c b/tools/virtiofsd/fuse_lowlevel.c index 01c418aade..704c0369b2 100644 --- a/tools/virtiofsd/fuse_lowlevel.c +++ b/tools/virtiofsd/fuse_lowlevel.c @@ -1116,6 +1116,10 @@ static void do_read(fuse_req_t req, fuse_ino_t nodeid, struct fuse_file_info fi; arg = fuse_mbuf_iter_advance(iter, sizeof(*arg)); + if (!arg) { + fuse_reply_err(req, EINVAL); + return; + } memset(&fi, 0, sizeof(fi)); fi.fh = arg->fh; |