From: syzbot <syzbot+934ebb67352c8a490bf3-Pl5Pbv+GP7P466ipTTIvnc23WoclnBCfAL8bYrjMMd8@public.gmane.org>
To: axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org,
cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
hdanton-k+cT0dCbe1g@public.gmane.org,
linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
ming.lei-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
syzkaller-bugs-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org,
tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org
Subject: Re: [syzbot] possible deadlock in throtl_pending_timer_fn
Date: Fri, 29 Jul 2022 20:25:08 -0700 [thread overview]
Message-ID: <0000000000004e96a405e4fd5051@google.com> (raw)
In-Reply-To: <000000000000921fd405db62096a-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
syzbot has bisected this issue to:
commit 0a9a25ca78437b39e691bcc3dc8240455b803d8d
Author: Ming Lei <ming.lei-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Date: Fri Mar 18 13:01:43 2022 +0000
block: let blkcg_gq grab request queue's refcnt
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16c3cfc2080000
start commit: cb71b93c2dc3 Add linux-next specific files for 20220628
git tree: linux-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=15c3cfc2080000
console output: https://syzkaller.appspot.com/x/log.txt?x=11c3cfc2080000
kernel config: https://syzkaller.appspot.com/x/.config?x=badbc1adb2d582eb
dashboard link: https://syzkaller.appspot.com/bug?extid=934ebb67352c8a490bf3
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17713dee080000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15d24952080000
Reported-by: syzbot+934ebb67352c8a490bf3-Pl5Pbv+GP7P466ipTTIvnc23WoclnBCfAL8bYrjMMd8@public.gmane.org
Fixes: 0a9a25ca7843 ("block: let blkcg_gq grab request queue's refcnt")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
next prev parent reply other threads:[~2022-07-30 3:25 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-29 21:23 [syzbot] possible deadlock in throtl_pending_timer_fn syzbot
[not found] ` <000000000000921fd405db62096a-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2022-03-30 2:52 ` Ming Lei
2022-03-30 2:52 ` syzbot
[not found] ` <0000000000009518f205db66a47a-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2022-03-30 3:01 ` Ming Lei
2022-07-29 23:32 ` syzbot
2022-07-30 3:25 ` syzbot [this message]
2022-07-30 11:17 ` Ming Lei
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