Re: [syzbot] [btrfs?] [netfilter?] BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! (2)

From: Aleksandr Nogikh
Date: Wed Jul 19 2023 - 13:14:23 EST


On Wed, Jul 19, 2023 at 7:11 PM syzbot
<syzbot+9bbbacfbf1e04d5221f7@xxxxxxxxxxxxxxxxxxxxxxxxx> 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-kernelci
> >> git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci
> >> console output: https://syzkaller.appspot.com/x/log.txt?x=15d92aaaa80000
> >> kernel config: https://syzkaller.appspot.com/x/.config?x=c4a2640e4213bc2f
> >> dashboard link: https://syzkaller.appspot.com/bug?extid=9bbbacfbf1e04d5221f7
> >> 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=149b2d66a80000
> >> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1214348aa80000
> >>
> >> Downloadable assets:
> >> disk image: https://storage.googleapis.com/syzbot-assets/9d87aa312c0e/disk-e40939bb.raw.xz
> >> vmlinux: https://storage.googleapis.com/syzbot-assets/22a11d32a8b2/vmlinux-e40939bb.xz
> >> kernel image: https://storage.googleapis.com/syzbot-assets/0978b5788b52/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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