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>
Thu, 17 Mar 2022 15:40:47 +0000 (15:40 +0000)
commit74c82e904a9f5888d44525a2bd4b9a965e9230a8
tree80bf91ea24cc70c0398e628b5ec6f7c545aeff50
parent669bafccd95ab90e3cbf75c0bb4133811683e7d0
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