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Subject[2.6.20.16 review 21/28] audit: fix oops removing watch if audit disabled
Removing a watched file will oops if audit is disabled (auditctl -e 0).

To reproduce:
- auditctl -e 1
- touch /tmp/foo
- auditctl -w /tmp/foo
- auditctl -e 0
- rm /tmp/foo (or mv)

Signed-off-by: Tony Jones <tonyj@suse.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
kernel/auditfilter.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index 9c8c232..5a75657 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -905,7 +905,7 @@ static void audit_update_watch(struct audit_parent *parent,

/* If the update involves invalidating rules, do the inode-based
* filtering now, so we don't omit records. */
- if (invalidating &&
+ if (invalidating && current->audit_context &&
audit_filter_inodes(current, current->audit_context) == AUDIT_RECORD_CONTEXT)
audit_set_auditable(current->audit_context);

--
1.5.2.4
--
-
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