linux-kernel - Re: [syzbot] [wireguard?] INFO: rcu detected stall in wg_ratelimiter_gc

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Message-ID: <0000000000001be691060684aa2c@google.com>
Date:   Fri, 29 Sep 2023 12:45:19 -0700
From:   syzbot <syzbot+c1cc0083f159b67cb192@...kaller.appspotmail.com>
To:     Jason@...c4.com, daniel.wippermann@...ol.de, davem@...emloft.net,
        edumazet@...gle.com, hdanton@...a.com, jason@...c4.com,
        jhs@...atatu.com, jiri@...dia.com, kuba@...nel.org,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        pabeni@...hat.com, pctammela@...atatu.com,
        syzkaller-bugs@...glegroups.com, victor@...atatu.com,
        vladimir.oltean@....com, wireguard@...ts.zx2c4.com
Subject: Re: [syzbot] [wireguard?] INFO: rcu detected stall in
 wg_ratelimiter_gc_entries (2)

syzbot suspects this issue was fixed by commit:

commit da71714e359b64bd7aab3bd56ec53f307f058133
Author: Jamal Hadi Salim <jhs@...atatu.com>
Date:   Tue Aug 22 10:12:31 2023 +0000

    net/sched: fix a qdisc modification with ambiguous command request

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=129c464e680000
start commit:   8a519a572598 net: veth: Page pool creation error handling ..
git tree:       net
kernel config:  https://syzkaller.appspot.com/x/.config?x=3e670757e16affb
dashboard link: https://syzkaller.appspot.com/bug?extid=c1cc0083f159b67cb192
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=129f8553a80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1205baada80000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: net/sched: fix a qdisc modification with ambiguous command request

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