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From: syzbot <syzbot+cbb25bb9b4d29a773985@syzkaller.appspotmail.com>
To: boqun.feng@gmail.com, brauner@kernel.org,
	linux-kernel@vger.kernel.org, longman@redhat.com,
	michael.christie@oracle.com, mingo@redhat.com, mst@redhat.com,
	oleg@redhat.com, peterz@infradead.org,
	syzkaller-bugs@googlegroups.com, tglx@linutronix.de,
	wander@redhat.com, will@kernel.org
Subject: Re: [syzbot] [kernel?] inconsistent lock state in ptrace_attach
Date: Fri, 17 Nov 2023 00:49:04 -0800	[thread overview]
Message-ID: <00000000000064b787060a55354e@google.com> (raw)
In-Reply-To: <000000000000a25ea7060a430d3c@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=132b7d84e80000
start commit:   f31817cbcf48 Add linux-next specific files for 20231116
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=10ab7d84e80000
console output: https://syzkaller.appspot.com/x/log.txt?x=172b7d84e80000
kernel config:  https://syzkaller.appspot.com/x/.config?x=f59345f1d0a928c
dashboard link: https://syzkaller.appspot.com/bug?extid=cbb25bb9b4d29a773985
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1014d797680000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11b1ec67680000

Reported-by: syzbot+cbb25bb9b4d29a773985@syzkaller.appspotmail.com
Fixes: 2d25a889601d ("ptrace: Convert ptrace_attach() to use lock guards")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection

  parent reply	other threads:[~2023-11-17  8:49 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-16 11:09 [syzbot] [kernel?] inconsistent lock state in ptrace_attach syzbot
2023-11-16 20:00 ` syzbot
2023-11-17  8:49 ` syzbot [this message]
2023-11-17  9:27   ` Peter Zijlstra
2023-11-17  9:38     ` Oleg Nesterov
2023-11-17  9:45       ` Peter Zijlstra
2023-11-17 12:32         ` Oleg Nesterov
2023-11-17 13:51 ` [syzbot] Test syzbot
     [not found] <CAJjsb4rmXhLyOFpNwQy1kh480Q7p=gvTY5HnhF-b=Sf=VijYKA@mail.gmail.com>
2023-11-17 14:12 ` [syzbot] [kernel?] inconsistent lock state in ptrace_attach syzbot

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