fsnotify: fix merge with parent's ignored mask

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[ Upstream commit 4f0b903ded ]

fsnotify_parent() does not consider the parent's mark at all unless
the parent inode shows interest in events on children and in the
specific event.

So unless parent added an event to both its mark mask and ignored mask,
the event will not be ignored.

Fix this by declaring the interest of an object in an event when the
event is in either a mark mask or ignored mask.

Link: https://lore.kernel.org/r/20220223151438.790268-2-amir73il@gmail.com
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

...

This commit is contained in:

Amir Goldstein 2022-02-23 17:14:37 +02:00 • committed by Greg Kroah-Hartman

parent 7dcd851cf8

commit 4bef66ca56

3 changed files with 26 additions and 10 deletions

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17

fs/notify/fanotify/fanotify_user.c

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4

fs/notify/mark.c

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15

include/linux/fsnotify_backend.h

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