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-rw-r--r--kernel/audit.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/kernel/audit.c b/kernel/audit.c
index c05b6027e874..9c4ec29a707b 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1319,7 +1319,8 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask,
struct audit_buffer *ab = NULL;
struct timespec t;
unsigned int uninitialized_var(serial);
- int reserve;
+ int reserve = 5; /* Allow atomic callers to go up to five
+ entries over the normal backlog limit */
unsigned long timeout_start = jiffies;
if (audit_initialized != AUDIT_INITIALIZED)
@@ -1328,11 +1329,12 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask,
if (unlikely(audit_filter_type(type)))
return NULL;
- if (gfp_mask & __GFP_WAIT)
- reserve = 0;
- else
- reserve = 5; /* Allow atomic callers to go up to five
- entries over the normal backlog limit */
+ if (gfp_mask & __GFP_WAIT) {
+ if (audit_pid && audit_pid == current->pid)
+ gfp_mask &= ~__GFP_WAIT;
+ else
+ reserve = 0;
+ }
while (audit_backlog_limit
&& skb_queue_len(&audit_skb_queue) > audit_backlog_limit + reserve) {