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Message-ID: <000000000000761f5f0603324129@google.com>
Date: Fri, 18 Aug 2023 06:10:41 -0700
From: syzbot <syzbot+38d04642cea49f3a3d2e@...kaller.appspotmail.com>
To: adilger.kernel@...ger.ca, linkinjeon@...nel.org,
linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org,
linux-kernel@...r.kernel.org, quic_pkondeti@...cinc.com,
rafael.j.wysocki@...el.com, sj1557.seo@...sung.com,
syzkaller-bugs@...glegroups.com, tytso@....edu,
wendy.wang@...el.com, yu.c.chen@...el.com
Subject: Re: [syzbot] [ext4?] INFO: task hung in __writeback_inodes_sb_nr (6)
syzbot has bisected this issue to:
commit 5904de0d735bbb3b4afe9375c5b4f9748f882945
Author: Chen Yu <yu.c.chen@...el.com>
Date: Fri Apr 14 12:10:42 2023 +0000
PM: hibernate: Do not get block device exclusively in test_resume mode
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1275be4ba80000
start commit: 4853c74bd7ab Merge tag 'parisc-for-6.5-rc7' of git://git.k..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=1175be4ba80000
console output: https://syzkaller.appspot.com/x/log.txt?x=1675be4ba80000
kernel config: https://syzkaller.appspot.com/x/.config?x=aa796b6080b04102
dashboard link: https://syzkaller.appspot.com/bug?extid=38d04642cea49f3a3d2e
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=171242cfa80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17934703a80000
Reported-by: syzbot+38d04642cea49f3a3d2e@...kaller.appspotmail.com
Fixes: 5904de0d735b ("PM: hibernate: Do not get block device exclusively in test_resume mode")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
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