linux-kernel - Re: INFO: task hung in fuse_reverse_inval

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Message-ID: <000000000000b8443c0596c1d480@google.com>
Date:   Thu, 07 Nov 2019 05:42:05 -0800
From:   syzbot <syzbot+bb6d800770577a083f8c@...kaller.appspotmail.com>
To:     dvyukov@...gle.com, ktkhai@...tuozzo.com,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        miklos@...redi.hu, mszeredi@...hat.com,
        syzkaller-bugs@...glegroups.com
Subject: Re: INFO: task hung in fuse_reverse_inval_entry

syzbot suspects this bug was fixed by commit:

commit c59fd85e4fd07fdf0ab523a5e9734f5338d6aa19
Author: Kirill Tkhai <ktkhai@...tuozzo.com>
Date:   Tue Sep 11 10:11:56 2018 +0000

     fuse: change interrupt requests allocation algorithm

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15518db2600000
start commit:   d72e90f3 Linux 4.18-rc6
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=68af3495408deac5
dashboard link: https://syzkaller.appspot.com/bug?extid=bb6d800770577a083f8c
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11564d1c400000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16fc570c400000

If the result looks correct, please mark the bug fixed by replying with:

#syz fix: fuse: change interrupt requests allocation algorithm

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