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| author | Vivek Goyal | 2020-12-11 15:25:44 +0100 |
|---|---|---|
| committer | Dr. David Alan Gilbert | 2020-12-18 11:08:24 +0100 |
| commit | 31a4990f8df0be78b4310b18c6b16612ca03cf04 (patch) | |
| tree | da8fa68580aee117a37e70f138f623ca8b053ae7 /exec-vary.c | |
| parent | virtiofsd: Disable posix_lock hash table if remote locks are not enabled (diff) | |
| download | qemu-31a4990f8df0be78b4310b18c6b16612ca03cf04.tar.gz qemu-31a4990f8df0be78b4310b18c6b16612ca03cf04.tar.xz qemu-31a4990f8df0be78b4310b18c6b16612ca03cf04.zip | |
virtiofsd: Check file type in lo_flush()
Currently lo_flush() is written in such a way that it expects to receive
a FLUSH requests on a regular file (and not directories). For example,
we call lo_fi_fd() which searches lo->fd_map. If we open directories
using opendir(), we keep don't keep track of these in lo->fd_map instead
we keep them in lo->dir_map. So we expect lo_flush() to be called on
regular files only.
Even linux fuse client calls FLUSH only for regular files and not
directories. So put a check for filetype and return EBADF if
lo_flush() is called on a non-regular file.
Reported-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Message-Id: <20201211142544.GB3285@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'exec-vary.c')
0 files changed, 0 insertions, 0 deletions