linux-kernel - Re: WARNING in hsr_addr_subst

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Message-ID: <000000000000d7206e0583dfc6b3@google.com>
Date:   Mon, 11 Mar 2019 23:27:00 -0700
From:   syzbot <syzbot+b92e4f1472a54e1c7dec@...kaller.appspotmail.com>
To:     arvid.brodin@...en.se, axboe@...com, axboe@...nel.dk,
        davem@...emloft.net, hch@....de, linux-block@...r.kernel.org,
        linux-can@...r.kernel.org, linux-kernel@...r.kernel.org,
        ming.lei@...hat.com, mkl@...gutronix.de, netdev@...r.kernel.org,
        socketcan@...tkopp.net, syzkaller-bugs@...glegroups.com
Subject: Re: WARNING in hsr_addr_subst_dest

syzbot has bisected this bug to:

commit ab42f35d9cb5ac49b5a2a11f940e74f58f207280
Author: Ming Lei <ming.lei@...hat.com>
Date:   Fri May 26 11:53:19 2017 +0000

     blk-mq: merge bio into sw queue before plugging

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1681996f200000
start commit:   ab42f35d blk-mq: merge bio into sw queue before plugging
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=1581996f200000
console output: https://syzkaller.appspot.com/x/log.txt?x=1181996f200000
kernel config:  https://syzkaller.appspot.com/x/.config?x=5e7dc790609552d7
dashboard link: https://syzkaller.appspot.com/bug?extid=b92e4f1472a54e1c7dec
userspace arch: amd64
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=107db700c00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12304827400000

Reported-by: syzbot+b92e4f1472a54e1c7dec@...kaller.appspotmail.com
Fixes: ab42f35d ("blk-mq: merge bio into sw queue before plugging")