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Date:   Thu, 21 Mar 2019 10:30:00 -0700
From:   syzbot <syzbot+7d19c5fe6a3f1161abb7@...kaller.appspotmail.com>
To:     acme@...nel.org, adilger.kernel@...ger.ca, dvyukov@...gle.com,
        linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, mingo@...hat.com,
        peterz@...radead.org, syzkaller-bugs@...glegroups.com,
        tytso@....edu
Subject: Re: INFO: rcu detected stall in ext4_file_write_iter

Bisection is inconclusive: the bug happens on the oldest tested release.

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17b1becf200000
start commit:   [unknown
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=1471becf200000
console output: https://syzkaller.appspot.com/x/log.txt?x=1071becf200000
dashboard link: https://syzkaller.appspot.com/bug?extid=7d19c5fe6a3f1161abb7
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=103908f8c00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=105e5cd0c00000

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

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