[ovs-dev] WARNING: suspicious RCU usage in ovs_flow_tbl_destroy

syzbot syzbot+c0eb9e7cdde04e4eb4be at syzkaller.appspotmail.com
Tue Aug 4 19:10:07 UTC 2020


syzbot has bisected this issue to:

commit 9bf24f594c6acf676fb8c229f152c21bfb915ddb
Author: Eelco Chaudron <echaudro at redhat.com>
Date:   Fri Jul 31 12:21:34 2020 +0000

    net: openvswitch: make masks cache size configurable

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17461dea900000
start commit:   2f631133 net: Pass NULL to skb_network_protocol() when we ..
git tree:       net-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=14c61dea900000
console output: https://syzkaller.appspot.com/x/log.txt?x=10c61dea900000
kernel config:  https://syzkaller.appspot.com/x/.config?x=91a13b78c7dc258d
dashboard link: https://syzkaller.appspot.com/bug?extid=c0eb9e7cdde04e4eb4be
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=172cd3d4900000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11fbd342900000

Reported-by: syzbot+c0eb9e7cdde04e4eb4be at syzkaller.appspotmail.com
Fixes: 9bf24f594c6a ("net: openvswitch: make masks cache size configurable")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection


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