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>
Sun, 19 Sep 2021 08:49:04 +0000 (09:49 +0100)
commit57faa5cd4f8c18f34e1e58ebd11c6afefcc8ecf8
tree72e202b04ca20c659536cc7237de03822c050d55
parentb37c49eaecd70df1b57b98fdfcd42f96499ac51c
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