audit: reset audit backlog wait time after error recovery

When the audit queue overflows and times out (audit_backlog_wait_time), the
audit queue overflow timeout is set to zero.  Once the audit queue overflow
timeout condition recovers, the timeout should be reset to the original value.

See also:
	https://lkml.org/lkml/2013/9/2/473

Cc: stable@vger.kernel.org # v3.8-rc4+
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Dan Duval <dan.duval@oracle.com>
Signed-off-by: Chuck Anderson <chuck.anderson@oracle.com>
Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Signed-off-by: Eric Paris <eparis@redhat.com>
This commit is contained in:
Richard Guy Briggs 2013-09-12 23:03:51 -04:00 коммит произвёл Eric Paris
Родитель 33faba7fa7
Коммит e789e561a5
1 изменённых файлов: 4 добавлений и 1 удалений

Просмотреть файл

@ -103,7 +103,8 @@ static int audit_rate_limit;
/* Number of outstanding audit_buffers allowed. */
static int audit_backlog_limit = 64;
static int audit_backlog_wait_time = 60 * HZ;
#define AUDIT_BACKLOG_WAIT_TIME (60 * HZ)
static int audit_backlog_wait_time = AUDIT_BACKLOG_WAIT_TIME;
static int audit_backlog_wait_overflow = 0;
/* The identity of the user shutting down the audit system. */
@ -1282,6 +1283,8 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask,
return NULL;
}
audit_backlog_wait_time = AUDIT_BACKLOG_WAIT_TIME;
ab = audit_buffer_alloc(ctx, gfp_mask, type);
if (!ab) {
audit_log_lost("out of memory in audit_log_start");