[src/trunk]: src/sys/dev/pci Fix missing check for netq->netq_stopping in vio...

[yamaguchi <yamaguchi%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/804b45841a4f
branches:  trunk
changeset: 374734:804b45841a4f
user:      yamaguchi <yamaguchi%NetBSD.org@localhost>
date:      Thu May 11 05:50:18 2023 +0000

description:
Fix missing check for netq->netq_stopping in vioif_rx_intr()

Reported-by: syzbot+5120b7a1f97a3f5ca052%syzkaller.appspotmail.com@localhost
https://syzkaller.appspot.com/bug?id=243cf4115808e49774a49294f63200770399660b

diffstat:

 sys/dev/pci/if_vioif.c |  7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diffs (28 lines):

diff -r 28eb5185c671 -r 804b45841a4f sys/dev/pci/if_vioif.c
--- a/sys/dev/pci/if_vioif.c    Thu May 11 01:56:31 2023 +0000
+++ b/sys/dev/pci/if_vioif.c    Thu May 11 05:50:18 2023 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_vioif.c,v 1.107 2023/03/27 14:56:40 nakayama Exp $  */
+/*     $NetBSD: if_vioif.c,v 1.108 2023/05/11 05:50:18 yamaguchi Exp $ */
 
 /*
  * Copyright (c) 2020 The NetBSD Foundation, Inc.
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_vioif.c,v 1.107 2023/03/27 14:56:40 nakayama Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_vioif.c,v 1.108 2023/05/11 05:50:18 yamaguchi Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_net_mpsafe.h"
@@ -1924,6 +1924,9 @@ vioif_rx_intr(void *arg)
        if (netq->netq_running_handle)
                goto done;
 
+       if (netq->netq_stopping)
+               goto done;
+
        netq->netq_running_handle = true;
 
        limit = sc->sc_rx_intr_process_limit;