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>
Tue, 2 Mar 2021 16:49:25 +0000 (16:49 +0000)
commitc2f7b8cb948dc4fe0a80244e8a98eabbe1d8aba0
tree9a2533a91e8c6f6d13a2fb7374af994c9b827043
parent3d7b04910af07fa01e91f8ed0f96f721e457d50c
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