* Re: [syzbot] [kernel?] inconsistent lock state in __lock_task_sighand
[not found] <0000000000009cd5bc060a430d80@google.com>
@ 2023-11-17 17:44 ` syzbot
0 siblings, 0 replies; only message in thread
From: syzbot @ 2023-11-17 17:44 UTC (permalink / raw)
To: andrii, ast, boqun.feng, bpf, brauner, daniel, haoluo,
john.fastabend, jolsa, kpsingh, linux-kernel, linux-trace-kernel,
longman, martin.lau, mhiramat, michael.christie, mingo, mst, oleg,
peterz, rostedt, sdf, song, syzkaller-bugs, tglx, wander, will,
yonghong.song
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
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