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Message-ID: <ce6d30c0-612e-48aa-9042-65ce3d880323@I-love.SAKURA.ne.jp>
Date: Sat, 11 May 2024 14:58:27 +0900
From: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To: syzbot <syzbot+34267210261c2cbba2da@...kaller.appspotmail.com>,
andrii@...nel.org, ast@...nel.org, bpf@...r.kernel.org,
daniel@...earbox.net, davem@...emloft.net, eddyz87@...il.com,
edumazet@...gle.com, haoluo@...gle.com, jakub@...udflare.com,
john.fastabend@...il.com, jolsa@...nel.org, kpsingh@...nel.org,
kuba@...nel.org, linux-kernel@...r.kernel.org, martin.lau@...ux.dev,
netdev@...r.kernel.org, pabeni@...hat.com, sdf@...gle.com,
song@...nel.org, syzkaller-bugs@...glegroups.com,
yonghong.song@...ux.dev
Subject: Re: [syzbot] [bpf?] [net?] possible deadlock in __lock_task_sighand
(2)
This bug report has fix commit but syzbot found a reproducer with that fix commit applied.
That is, something is still wrong. Any comments from BPF people on
https://lkml.kernel.org/r/8dc01a83-1bea-4e3c-a04d-9a9bd422a5b3@I-love.SAKURA.ne.jp ?
On 2024/05/11 14:39, syzbot wrote:
> syzbot has found a reproducer for the following issue on:
>
> HEAD commit: 3e9bc0472b91 Merge branch 'bpf: Add BPF_PROG_TYPE_CGROUP_S..
> git tree: bpf
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=1372d16c980000
> kernel config: https://syzkaller.appspot.com/x/.config?x=98d5a8e00ed1044a
> dashboard link: https://syzkaller.appspot.com/bug?extid=34267210261c2cbba2da
> compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=116aa704980000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10be0fb8980000
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