From: syzbot <syzbot+cf93299f5a30fb4c3829@syzkaller.appspotmail.com>
To: andrii@kernel.org, ast@kernel.org, boqun.feng@gmail.com,
bpf@vger.kernel.org, brauner@kernel.org, daniel@iogearbox.net,
haoluo@google.com, john.fastabend@gmail.com, jolsa@kernel.org,
kpsingh@kernel.org, linux-kernel@vger.kernel.org,
linux-trace-kernel@vger.kernel.org, longman@redhat.com,
martin.lau@linux.dev, mhiramat@kernel.org,
michael.christie@oracle.com, mingo@redhat.com, mst@redhat.com,
oleg@redhat.com, peterz@infradead.org, rostedt@goodmis.org,
sdf@google.com, song@kernel.org,
syzkaller-bugs@googlegroups.com, tglx@linutronix.de,
wander@redhat.com, will@kernel.org, yonghong.song@linux.dev
Subject: Re: [syzbot] [kernel?] inconsistent lock state in __lock_task_sighand
Date: Fri, 17 Nov 2023 09:44:05 -0800 [thread overview]
Message-ID: <000000000000c667ce060a5cae75@google.com> (raw)
In-Reply-To: <0000000000009cd5bc060a430d80@google.com>
syzbot has bisected this issue to:
commit 2d25a889601d2fbc87ec79b30ea315820f874b78
Author: Peter Zijlstra <peterz@infradead.org>
Date: Sun Sep 17 11:24:21 2023 +0000
ptrace: Convert ptrace_attach() to use lock guards
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=144ac400e80000
start commit: f31817cbcf48 Add linux-next specific files for 20231116
git tree: linux-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=164ac400e80000
console output: https://syzkaller.appspot.com/x/log.txt?x=124ac400e80000
kernel config: https://syzkaller.appspot.com/x/.config?x=f59345f1d0a928c
dashboard link: https://syzkaller.appspot.com/bug?extid=cf93299f5a30fb4c3829
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=125ac3c0e80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12c4d797680000
Reported-by: syzbot+cf93299f5a30fb4c3829@syzkaller.appspotmail.com
Fixes: 2d25a889601d ("ptrace: Convert ptrace_attach() to use lock guards")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
next prev parent reply other threads:[~2023-11-17 17:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-16 11:09 [syzbot] [kernel?] inconsistent lock state in __lock_task_sighand syzbot
2023-11-16 14:32 ` syzbot
2023-11-17 17:44 ` syzbot [this message]
2024-09-06 10:37 ` [syzbot] syzbot
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