--- net/unix/garbage.c

+++ net/unix/garbage.c

@@ -97,7 +97,7 @@ static DECLARE_WAIT_QUEUE_HEAD(unix_gc_w

unsigned int unix_tot_inflight;

-static struct sock *unix_get_socket(struct file *filp)

+struct sock *unix_get_socket(struct file *filp)

{

struct sock *u_sock = NULL;

struct inode *inode = filp->f_path.dentry->d_inode;

@@ -269,9 +269,16 @@ static void inc_inflight_move_tail(struc

}

static bool gc_in_progress = false;

+#define UNIX_INFLIGHT_TRIGGER_GC 16000

void wait_for_unix_gc(void)

{

+ /*

+ * If number of inflight sockets is insane,

+ * force a garbage collect right now.

+ */

+ if (unix_tot_inflight > UNIX_INFLIGHT_TRIGGER_GC && !gc_in_progress)

+ unix_gc();

wait_event(unix_gc_wait, gc_in_progress == false);

}