linux-kernel - Re: WARNING in hsr_addr_subst

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Message-ID: <0000000000007851da05a4c9c169@google.com>
Date:   Sun, 03 May 2020 20:02:04 -0700
From:   syzbot <syzbot+b92e4f1472a54e1c7dec@...kaller.appspotmail.com>
To:     ap420073@...il.com, arvid.brodin@...en.se, axboe@...com,
        axboe@...nel.dk, davem@...emloft.net, dvyukov@...gle.com,
        hch@....de, kuba@...nel.org, 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 suspects this bug was fixed by commit:

commit 4b793acdca0050739b99ace6a8b9e7f717f57c6b
Author: Taehee Yoo <ap420073@...il.com>
Date:   Fri Feb 28 18:01:46 2020 +0000

    hsr: use netdev_err() instead of WARN_ONCE()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=130746ffe00000
start commit:   ea200dec Merge tag 'armsoc-fixes' of git://git.kernel.org/..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=dcf10bf83926432a
dashboard link: https://syzkaller.appspot.com/bug?extid=b92e4f1472a54e1c7dec
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14b5cafee00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12574271e00000

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

#syz fix: hsr: use netdev_err() instead of WARN_ONCE()

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