linux-kernel - Re: [syzbot] general protection fault in __io_file_supports

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Date:   Wed, 06 Oct 2021 10:54:10 -0700
From:   syzbot <syzbot+e51249708aaa9b0e4d2c@...kaller.appspotmail.com>
To:     asml.silence@...il.com, axboe@...nel.dk, haoxu@...ux.alibaba.com,
        io-uring@...r.kernel.org, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] general protection fault in __io_file_supports_nowait

syzbot suspects this issue was fixed by commit:

commit c6d3d9cbd659de8f2176b4e4721149c88ac096d4
Author: Pavel Begunkov <asml.silence@...il.com>
Date:   Tue Aug 31 13:13:10 2021 +0000

    io_uring: fix queueing half-created requests

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=174ee814b00000
start commit:   b91db6a0b52e Merge tag 'for-5.15/io_uring-vfs-2021-08-30' ..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=961d30359ac81f8c
dashboard link: https://syzkaller.appspot.com/bug?extid=e51249708aaa9b0e4d2c
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10a91625300000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12512291300000

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

#syz fix: io_uring: fix queueing half-created requests

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