Re: [syzbot] [reiserfs?] possible deadlock in chown_common

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On Wed, Jan 17, 2024 at 05:52:36PM +0100, Jan Kara wrote:
> On Wed 17-01-24 08:20:06, syzbot wrote:
> > syzbot suspects this issue was fixed by commit:
> > 
> > commit 6f861765464f43a71462d52026fbddfc858239a5
> > Author: Jan Kara <jack@xxxxxxx>
> > Date:   Wed Nov 1 17:43:10 2023 +0000
> > 
> >     fs: Block writes to mounted block devices
> > 
> > bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14ecbc83e80000
> > start commit:   2bca25eaeba6 Merge tag 'spi-v6.1' of git://git.kernel.org/..
> > git tree:       upstream
> > kernel config:  https://syzkaller.appspot.com/x/.config?x=9df203be43a870b5
> > dashboard link: https://syzkaller.appspot.com/bug?extid=3abaeed5039cc1c49c7c
> > syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1539e7b8880000
> > C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16c6cb32880000
> > 
> > If the result looks correct, please mark the issue as fixed by replying with:
> 
> Makes sense:
> 
> #syz fix: fs: Block writes to mounted block devices

I remember once trying to chase that bug down and being very confused.




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