AUDIT: Spawn kernel thread to list filter rules.

If we have enough rules to fill the netlink buffer space, it'll 
deadlock because auditctl isn't ever actually going to read from the 
socket until we return, and we aren't going to return until it 
reads... so we spawn a kernel thread to spew out the list and then
exit.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/audit.h b/include/linux/audit.h
index 5f812e4d01e4..5d1a9dda5acb 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -281,6 +281,7 @@ extern void		    audit_send_reply(int pid, int seq, int type,
                                              int done, int multi,
                                              void *payload, int size);
 extern void                 audit_log_lost(const char *message);
+extern struct semaphore audit_netlink_sem;
 #else
 #define audit_log(c,t,f,...) do { ; } while (0)
 #define audit_log_start(c,t) ({ NULL; })