fanotify: disallow mount/sb marks on kernel internal pseudo fs
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: 0ff21db9 ("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>
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a901a356
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