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author | Richard Guy Briggs <rgb@redhat.com> | 2013-10-22 17:28:49 (GMT) |
---|---|---|
committer | Eric Paris <eparis@redhat.com> | 2014-01-14 03:30:38 (GMT) |
commit | 40c0775e5ea47667db497565b79a8dc154530992 (patch) | |
tree | 882d62ba73b6a4ab80449127cb2060dce64ffe74 /kernel | |
parent | b6cfee4cce25d8d2cc06c69f0de2b61d4b2249b3 (diff) | |
download | linux-40c0775e5ea47667db497565b79a8dc154530992.tar.xz |
audit: allow unlimited backlog queue
Since audit can already be disabled by "audit=0" on the kernel boot line, or by
the command "auditctl -e 0", it would be more useful to have the
audit_backlog_limit set to zero mean effectively unlimited (limited only by
system RAM).
Acked-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Signed-off-by: Eric Paris <eparis@redhat.com>
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/audit.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/audit.c b/kernel/audit.c index 0d4865a..72bc1d0 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -101,7 +101,8 @@ static __u32 audit_nlk_portid; * audit records being dropped. */ static int audit_rate_limit; -/* Number of outstanding audit_buffers allowed. */ +/* Number of outstanding audit_buffers allowed. + * When set to zero, this means unlimited. */ static int audit_backlog_limit = 64; #define AUDIT_BACKLOG_WAIT_TIME (60 * HZ) static int audit_backlog_wait_time = AUDIT_BACKLOG_WAIT_TIME; @@ -375,7 +376,8 @@ static int audit_set_failure(int state) static void audit_hold_skb(struct sk_buff *skb) { if (audit_default && - skb_queue_len(&audit_skb_hold_queue) < audit_backlog_limit) + (!audit_backlog_limit || + skb_queue_len(&audit_skb_hold_queue) < audit_backlog_limit)) skb_queue_tail(&audit_skb_hold_queue, skb); else kfree_skb(skb); |