fanotify: Require fid_mode for any non-fd event
authorGabriel Krisman Bertazi <krisman@collabora.com>
Mon, 25 Oct 2021 19:27:31 +0000 (16:27 -0300)
committerJan Kara <jack@suse.cz>
Wed, 27 Oct 2021 10:34:42 +0000 (12:34 +0200)
commit4fe595cf1c80e7a5af4d00c4da29def64aff57a2
treed7cd0ef7037db5f028a1bc17fab8feea8f97e12c
parent272531ac619b374ab474e989eb387162fded553f
fanotify: Require fid_mode for any non-fd event

Like inode events, FAN_FS_ERROR will require fid mode.  Therefore,
convert the verification during fanotify_mark(2) to require fid for any
non-fd event.  This means fid_mode will not only be required for inode
events, but for any event that doesn't provide a descriptor.

Link: https://lore.kernel.org/r/20211025192746.66445-17-krisman@collabora.com
Suggested-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com>
Signed-off-by: Jan Kara <jack@suse.cz>
fs/notify/fanotify/fanotify_user.c
include/linux/fanotify.h