From: Edward Adam Davis <eadavis@qq.com>
To: syzbot+3febffd6d2ea432770c6@syzkaller.appspotmail.com
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [net?] INFO: task hung in svc_listen (2)
Date: Tue, 19 May 2026 15:48:27 +0800 [thread overview]
Message-ID: <tencent_9C196FCFA40DBF25B68DC01207DDA8DDBC07@qq.com> (raw)
In-Reply-To: <6a0b1562.050a0220.67a24.012e.GAE@google.com>
#syz test
diff --git a/net/atm/svc.c b/net/atm/svc.c
index 005964250ecd..15eafeb32bb9 100644
--- a/net/atm/svc.c
+++ b/net/atm/svc.c
@@ -298,6 +298,10 @@ static int svc_listen(struct socket *sock, int backlog)
error = -EINVAL;
goto out;
}
+ if (!test_bit(ATM_VF_READY, &vcc->flags)) {
+ error = -EINVAL;
+ goto out;
+ }
if (test_bit(ATM_VF_LISTEN, &vcc->flags)) {
error = -EADDRINUSE;
goto out;
next prev parent reply other threads:[~2026-05-19 7:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-18 13:34 syzbot
2026-05-19 7:48 ` Edward Adam Davis [this message]
2026-05-19 8:32 ` syzbot
2026-05-19 8:34 ` Edward Adam Davis
2026-05-19 9:06 ` syzbot
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