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linux-stable/fs/notify
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Miklos Szeredi fed474857e fsnotify: don't BUG in fsnotify_destroy_mark() 
Removing the parent of a watched file results in "kernel BUG at
fs/notify/mark.c:139".

To reproduce

  add "-w /tmp/audit/dir/watched_file" to audit.rules
  rm -rf /tmp/audit/dir

This is caused by fsnotify_destroy_mark() being called without an
extra reference taken by the caller.

Reported by Francesco Cosoleto here:

  https://bugzilla.novell.com/show_bug.cgi?id=689860

Fix by removing the BUG_ON and adding a comment about not accessing mark after
the iput.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
CC: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-14 18:01:42 -08:00
..
dnotify fanotify: use both marks when possible 2010-07-28 10:18:55 -04:00
fanotify vfs: move fsnotify junk to struct mount 2012-01-03 22:57:12 -05:00
inotify Merge branch 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6 2011-04-07 11:14:49 -07:00
fsnotify.c vfs: move fsnotify junk to struct mount 2012-01-03 22:57:12 -05:00
fsnotify.h fsnotify: remove global fsnotify groups lists 2010-07-28 10:18:54 -04:00
group.c atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
inode_mark.c atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
Kconfig fanotify: allow fanotify to be built 2010-10-28 17:22:13 -04:00
Makefile fsnotify: vfsmount marks generic functions 2010-07-28 09:58:57 -04:00
mark.c fsnotify: don't BUG in fsnotify_destroy_mark() 2012-01-14 18:01:42 -08:00
notification.c atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
vfsmount_mark.c vfs: move fsnotify junk to struct mount 2012-01-03 22:57:12 -05:00