linux-kernel - Re: [syzbot] [io-uring?] WARNING in io_ring_exit

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Message-ID: <0000000000005b688105fcd074af@google.com>
Date:   Mon, 29 May 2023 00:58:39 -0700
From:   syzbot <syzbot+00e15cda746c5bc70e24@...kaller.appspotmail.com>
To:     asml.silence@...il.com, axboe@...nel.dk, deller@....de,
        gregkh@...uxfoundation.org, hdanton@...a.com,
        io-uring@...r.kernel.org, linux-kernel@...r.kernel.org,
        rafael@...nel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [io-uring?] WARNING in io_ring_exit_work

syzbot suspects this issue was fixed by commit:

commit d808459b2e31bd5123a14258a7a529995db974c8
Author: Helge Deller <deller@....de>
Date:   Thu Feb 16 08:09:38 2023 +0000

    io_uring: Adjust mapping wrt architecture aliasing requirements

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=145bb249280000
start commit:   7c6984405241 Merge tag 'iommu-fixes-v6.2-rc3' of git://git..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=2b6ecad960fc703e
dashboard link: https://syzkaller.appspot.com/bug?extid=00e15cda746c5bc70e24
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15d5e97e480000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1407c8da480000

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

#syz fix: io_uring: Adjust mapping wrt architecture aliasing requirements

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