linux-kernel - Re: [syzbot] kernel BUG in rxrpc_put

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Date:   Tue, 10 Jan 2023 03:45:22 -0800
From:   syzbot <syzbot+4bb6356bb29d6299360e@...kaller.appspotmail.com>
To:     davem@...emloft.net, dhowells@...hat.com, edumazet@...gle.com,
        kuba@...nel.org, linux-afs@...ts.infradead.org,
        linux-kernel@...r.kernel.org, marc.dionne@...istor.com,
        netdev@...r.kernel.org, pabeni@...hat.com,
        roman.gushchin@...ux.dev, shakeelb@...gle.com,
        shaozhengchao@...wei.com, syzkaller-bugs@...glegroups.com,
        vasily.averin@...ux.dev
Subject: Re: [syzbot] kernel BUG in rxrpc_put_call

syzbot has bisected this issue to:

commit a275da62e8c111b897b9cb73eb91df2f4e475ca5
Author: David Howells <dhowells@...hat.com>
Date:   Mon Oct 10 07:45:20 2022 +0000

    rxrpc: Create a per-local endpoint receive queue and I/O thread

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=12ba382c480000
start commit:   60ea6f00c57d net: ipa: correct IPA v4.7 IMEM offset
git tree:       net
final oops:     https://syzkaller.appspot.com/x/report.txt?x=11ba382c480000
console output: https://syzkaller.appspot.com/x/log.txt?x=16ba382c480000
kernel config:  https://syzkaller.appspot.com/x/.config?x=46221e8203c7aca6
dashboard link: https://syzkaller.appspot.com/bug?extid=4bb6356bb29d6299360e
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=141826f6480000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15a8642c480000

Reported-by: syzbot+4bb6356bb29d6299360e@...kaller.appspotmail.com
Fixes: a275da62e8c1 ("rxrpc: Create a per-local endpoint receive queue and I/O thread")

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