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From:   Aleksandr Nogikh <nogikh@google.com>
Date:   Wed, 19 Jul 2023 19:14:05 +0200
Message-ID: <CANp29Y4Dx3puutrowfZBzkHy1VpWHhQ6tZboBrwq_qNcFRrFGw@mail.gmail.com>
Subject: Re: [syzbot] [btrfs?] [netfilter?] BUG: MAX_LOCKDEP_CHAIN_HLOCKS too
 low! (2)
To:     syzbot <syzbot+9bbbacfbf1e04d5221f7@syzkaller.appspotmail.com>
Cc:     dsterba@suse.cz, bakmitopiacibubur@boga.indosterling.com,
        clm@fb.com, davem@davemloft.net, dsahern@kernel.org,
        dsterba@suse.com, fw@strlen.de, gregkh@linuxfoundation.org,
        jirislaby@kernel.org, josef@toxicpanda.com, kadlec@netfilter.org,
        kuba@kernel.org, linux-btrfs@vger.kernel.org,
        linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-serial@vger.kernel.org, linux@armlinux.org.uk,
        netdev@vger.kernel.org, netfilter-devel@vger.kernel.org,
        pablo@netfilter.org, syzkaller-bugs@googlegroups.com,
        yoshfuji@linux-ipv6.org
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On Wed, Jul 19, 2023 at 7:11=E2=80=AFPM syzbot
<syzbot+9bbbacfbf1e04d5221f7@syzkaller.appspotmail.com> wrote:
>
> > On Wed, Jul 19, 2023 at 02:32:51AM -0700, syzbot wrote:
> >> syzbot has found a reproducer for the following issue on:
> >>
> >> HEAD commit:    e40939bbfc68 Merge branch 'for-next/core' into for-ker=
nelci
> >> git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/arm64/li=
nux.git for-kernelci
> >> console output: https://syzkaller.appspot.com/x/log.txt?x=3D15d92aaaa8=
0000
> >> kernel config:  https://syzkaller.appspot.com/x/.config?x=3Dc4a2640e42=
13bc2f
> >> dashboard link: https://syzkaller.appspot.com/bug?extid=3D9bbbacfbf1e0=
4d5221f7
> >> compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for =
Debian) 2.40
> >> userspace arch: arm64
> >> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=3D149b2d66=
a80000
> >> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=3D1214348aa8=
0000
> >>
> >> Downloadable assets:
> >> disk image: https://storage.googleapis.com/syzbot-assets/9d87aa312c0e/=
disk-e40939bb.raw.xz
> >> vmlinux: https://storage.googleapis.com/syzbot-assets/22a11d32a8b2/vml=
inux-e40939bb.xz
> >> kernel image: https://storage.googleapis.com/syzbot-assets/0978b5788b5=
2/Image-e40939bb.gz.xz
> >
> > #syz unset btrfs
>
> The following labels did not exist: btrfs

#syz set subsystems: netfilter

>
> >
> > The MAX_LOCKDEP_CHAIN_HLOCKS bugs/warnings can be worked around by
> > configuration, otherwise are considered invalid. This report has also
> > 'netfilter' label so I'm not closing it right away.
>
> --
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