linux-kernel - Re: [syzbot] [io-uring?] general protection fault in io_sqe_buffer

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Message-ID: <67272d83.050a0220.35b515.0198.GAE@google.com>
Date: Sun, 03 Nov 2024 01:00:03 -0700
From: syzbot <syzbot+05c0f12a4d43d656817e@...kaller.appspotmail.com>
To: asml.silence@...il.com, axboe@...nel.dk, io-uring@...r.kernel.org, 
	linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [io-uring?] general protection fault in io_sqe_buffer_register

syzbot has bisected this issue to:

commit 661768085e99aad356ebc77d78ac41fd02eccbe3
Author: Jens Axboe <axboe@...nel.dk>
Date:   Wed Oct 30 15:51:58 2024 +0000

    io_uring/rsrc: get rid of the empty node and dummy_ubuf

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1586e987980000
start commit:   f9f24ca362a4 Add linux-next specific files for 20241031
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1786e987980000
console output: https://syzkaller.appspot.com/x/log.txt?x=1386e987980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=328572ed4d152be9
dashboard link: https://syzkaller.appspot.com/bug?extid=05c0f12a4d43d656817e
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15abc6f7980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10eb655f980000

Reported-by: syzbot+05c0f12a4d43d656817e@...kaller.appspotmail.com
Fixes: 661768085e99 ("io_uring/rsrc: get rid of the empty node and dummy_ubuf")

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