fanotify: Taint on use of FANOTIFY_ACCESS_PERMISSIONS
authorBen Hutchings <ben@decadent.org.uk>
Wed, 13 Jul 2016 00:37:22 +0000 (01:37 +0100)
committerSalvatore Bonaccorso <carnil@debian.org>
Sat, 22 Apr 2023 18:48:02 +0000 (19:48 +0100)
commitb0d5e9209067a95c1535d41b321a2e77fdbd30b3
tree687ba54302a82dbe3d5f28c38ee72a9fc0b43eb2
parent46421ef941b29b5280f4f3d9e9a2f8207972720e
fanotify: Taint on use of FANOTIFY_ACCESS_PERMISSIONS

Forwarded: not-needed

Various free and proprietary AV products use this feature and users
apparently want it.  But punting access checks to userland seems like
an easy way to deadlock the system, and there will be nothing we can
do about that.  So warn and taint the kernel if this feature is
actually used.

Gbp-Pq: Topic debian
Gbp-Pq: Name fanotify-taint-on-use-of-fanotify_access_permissions.patch
fs/notify/fanotify/fanotify_user.c