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audit: keep inode pinned

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commit 799b601451b21ebe7af0e6e8f6e2ccd4683c5064 upstream.

Audit rules disappear when an inode they watch is evicted from the cache.
This is likely not what we want.

The guilty commit is "fsnotify: allow marks to not pin inodes in core",
which didn't take into account that audit_tree adds watches with a zero
mask.

Adding any mask should fix this.

Fixes: 90b1e7a578 ("fsnotify: allow marks to not pin inodes in core")
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Paul Moore <pmoore@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Miklos Szeredi 2014-11-04 11:27:12 +01:00 committed by Greg Kroah-Hartman
parent 89b27dc7ce
commit bd501a2eb2
1 changed files with 1 additions and 0 deletions
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kernel/audit_tree.c
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@ -154,6 +154,7 @@ static struct audit_chunk *alloc_chunk(int count)
chunk->owners[i].index = i;
}
fsnotify_init_mark(&chunk->mark, audit_tree_destroy_watch);
chunk->mark.mask = FS_IN_IGNORED;
return chunk;
}