From: Ryan Cai <ycaibb@xxxxxxxxx> In method udp_get_first, the lock hslot->lock is not released when afinfo->family == AF_UNSPEC || sk->sk_family == afinfo->family is true. This patch fixes the problem by adding the unlock statement. Signed-off-by: Ryan Cai <ycaibb@xxxxxxxxx> --- net/ipv4/udp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 23b05e28490b..f7d573ecaafb 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -2967,6 +2967,7 @@ static struct sock *udp_get_first(struct seq_file *seq, int start) continue; if (afinfo->family == AF_UNSPEC || sk->sk_family == afinfo->family) + spin_unlock_bh(&hslot->lock); goto found; } spin_unlock_bh(&hslot->lock); -- 2.33.0
