linux-kernel - Re: [syzbot] WARNING in inc

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Date:   Tue, 16 Nov 2021 21:32:09 -0800
From:   syzbot <syzbot+1c8034b9f0e640f9ba45@...kaller.appspotmail.com>
To:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        miklos@...redi.hu, mszeredi@...hat.com,
        syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk
Subject: Re: [syzbot] WARNING in inc_nlink (2)

syzbot suspects this issue was fixed by commit:

commit 97f044f690bac2b094bfb7fb2d177ef946c85880
Author: Miklos Szeredi <mszeredi@...hat.com>
Date:   Fri Oct 22 15:03:02 2021 +0000

    fuse: don't increment nlink in link()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=10563ac9b00000
start commit:   1da38549dd64 Merge tag 'nfsd-5.15-3' of git://git.kernel.o..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=e2ffb281e6323643
dashboard link: https://syzkaller.appspot.com/bug?extid=1c8034b9f0e640f9ba45
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11f16d57300000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15758d57300000

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

#syz fix: fuse: don't increment nlink in link()

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