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Message-ID: <0000000000009c212f05b557f00a@google.com>
Date: Mon, 30 Nov 2020 11:23:07 -0800
From: syzbot <syzbot+8073030e235a5a84dd31@...kaller.appspotmail.com>
To: bfields@...ldses.org, boqun.feng@...il.com, jlayton@...nel.org,
linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
mingo@...hat.com, peterz@...radead.org,
syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk,
will@...nel.org
Subject: Re: possible deadlock in f_getown
syzbot has bisected this issue to:
commit e918188611f073063415f40fae568fa4d86d9044
Author: Boqun Feng <boqun.feng@...il.com>
Date: Fri Aug 7 07:42:20 2020 +0000
locking: More accurate annotations for read_lock()
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=122fe51d500000
start commit: b6505459 Linux 5.10-rc6
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=112fe51d500000
console output: https://syzkaller.appspot.com/x/log.txt?x=162fe51d500000
kernel config: https://syzkaller.appspot.com/x/.config?x=b3a044ccf5b03ac4
dashboard link: https://syzkaller.appspot.com/bug?extid=8073030e235a5a84dd31
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11b43d79500000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16f2ed79500000
Reported-by: syzbot+8073030e235a5a84dd31@...kaller.appspotmail.com
Fixes: e918188611f0 ("locking: More accurate annotations for read_lock()")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
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