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>
Fri, 21 Oct 2022 19:05:40 +0000 (20:05 +0100)
commit5b08d1ad288f85ed1a51a59cbecab2297fff15ad
tree09d82c6c34cb7a264cf0d1341e2aee9b406becd0
parent1eea8b61f1aa0f822c9291163134069f82161278
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