From: Peter Zijlstra <peterz@infradead.org>
To: syzbot <syzbot+756fe9affda890e892ae@syzkaller.appspotmail.com>
Cc: acme@kernel.org, adrian.hunter@intel.com,
alexander.shishkin@linux.intel.com, bpf@vger.kernel.org,
irogers@google.com, jolsa@kernel.org,
linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
mark.rutland@arm.com, mingo@redhat.com, namhyung@kernel.org,
netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [perf?] general protection fault in inherit_task_group
Date: Tue, 31 Oct 2023 13:16:51 +0100 [thread overview]
Message-ID: <20231031121651.GD35651@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <000000000000d9483d060901f460@google.com>
On Tue, Oct 31, 2023 at 05:04:27AM -0700, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: c17cda15cc86 Merge tag 'net-6.6-rc8' of git://git.kernel.o..
> git tree: bpf
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=151ab177680000
> kernel config: https://syzkaller.appspot.com/x/.config?x=7d1f30869bb78ec6
> dashboard link: https://syzkaller.appspot.com/bug?extid=756fe9affda890e892ae
> compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=103b572b680000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=143a82c3680000
>
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/d47cb341912c/disk-c17cda15.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/f37f0cf41858/vmlinux-c17cda15.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/e256afecf3c3/bzImage-c17cda15.xz
>
> The issue was bisected to:
>
> commit 32671e3799ca2e4590773fd0e63aaa4229e50c06
> Author: Peter Zijlstra <peterz@infradead.org>
> Date: Wed Oct 18 11:56:54 2023 +0000
>
> perf: Disallow mis-matched inherited group reads
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10fdf71d680000
> final oops: https://syzkaller.appspot.com/x/report.txt?x=12fdf71d680000
> console output: https://syzkaller.appspot.com/x/log.txt?x=14fdf71d680000
a71ef31485bb51b846e8db8b3a35e432cc15afb5 upstream
next prev parent reply other threads:[~2023-10-31 12:17 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-31 12:04 [syzbot] [perf?] general protection fault in inherit_task_group syzbot
2023-10-31 12:16 ` Peter Zijlstra [this message]
2023-11-29 12:17 ` syzbot
2023-11-29 12:21 ` Aleksandr Nogikh
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