freebsd-dev/sys/dev/filemon
Mark Johnston b84ed4e7f6 filemon: Reject FILEMON_SET_FD commands when the fd is a kqueue
When FILEMON_SET_FD is used, the filemon handle effectively wraps the
passed file.  In particular, the handle may be inherited by a child
process, or transferred over a unix domain socket, so we must verify
that the backing file permits this.

Reported by:	syzbot+36e6be9e02735fe66ca8@syzkaller.appspotmail.com
Reviewed by:	emaste
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D34128
2022-02-03 09:41:53 -05:00
..
filemon_wrapper.c Convert remaining cap_rights_init users to cap_rights_init_one 2021-01-12 13:16:10 +00:00
filemon.c filemon: Reject FILEMON_SET_FD commands when the fd is a kqueue 2022-02-03 09:41:53 -05:00
filemon.h