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Amir Goldstein 78c6cf1dc7 fanotify: disallow mount/sb marks on kernel internal pseudo fs

[ Upstream commit 69562eb0bd ]

Hopefully, nobody is trying to abuse mount/sb marks for watching all
anonymous pipes/inodes.

I cannot think of a good reason to allow this - it looks like an
oversight that dated back to the original fanotify API.

Link: https://lore.kernel.org/linux-fsdevel/20230628101132.kvchg544mczxv2pm@quack3/
Fixes: 0ff21db9fc ("fanotify: hooks the fanotify_mark syscall to the vfsmount code")
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Message-Id: <20230629042044.25723-1-amir73il@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2023-07-19 16:22:05 +02:00

dnotify

dnotify: use fsnotify group lock helpers

2022-04-25 14:37:34 +02:00

fanotify

fanotify: disallow mount/sb marks on kernel internal pseudo fs

2023-07-19 16:22:05 +02:00

inotify

inotify: Avoid reporting event with invalid wd

2023-05-17 11:53:44 +02:00

fdinfo.c

fanotify: prepare for setting event flags in ignore mask