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SubjectRe: possible deadlock in console_trylock_spinning
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syzbot has bisected this bug to:

commit e80b18599a39a625bc8b2e39ba3004a62f78805a
Author: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Date: Fri Apr 12 11:04:54 2019 +0000

tomoyo: Add a kernel config option for fuzzing testing.

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=156e43cea00000
start commit: abf02e29 Merge tag 'pm-5.2-rc6' of git://git.kernel.org/pu..
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=176e43cea00000
console output: https://syzkaller.appspot.com/x/log.txt?x=136e43cea00000
kernel config: https://syzkaller.appspot.com/x/.config?x=28ec3437a5394ee0
dashboard link: https://syzkaller.appspot.com/bug?extid=fc1da0f1a577d15b64fc
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1357add6a00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1611ac89a00000

Reported-by: syzbot+fc1da0f1a577d15b64fc@syzkaller.appspotmail.com
Fixes: e80b18599a39 ("tomoyo: Add a kernel config option for fuzzing
testing.")

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

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