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

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Message-ID: <6728b077.050a0220.35b515.01ba.GAE@google.com>
Date: Mon, 04 Nov 2024 03:31:03 -0800
From: syzbot <syzbot+e333341d3d985e5173b2@...kaller.appspotmail.com>
To: asml.silence@...il.com, axboe@...nel.dk, io-uring@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [io-uring?] [usb?] WARNING in io_get_cqe_overflow (2)

syzbot has bisected this issue to:

commit 3f1a546444738b21a8c312a4b49dc168b65c8706
Author: Jens Axboe <axboe@...nel.dk>
Date:   Sat Oct 26 01:27:39 2024 +0000

    io_uring/rsrc: get rid of per-ring io_rsrc_node list

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15aaa1f7980000
start commit:   c88416ba074a Add linux-next specific files for 20241101
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=17aaa1f7980000
console output: https://syzkaller.appspot.com/x/log.txt?x=13aaa1f7980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=704b6be2ac2f205f
dashboard link: https://syzkaller.appspot.com/bug?extid=e333341d3d985e5173b2
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16ec06a7980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12c04740580000

Reported-by: syzbot+e333341d3d985e5173b2@...kaller.appspotmail.com
Fixes: 3f1a54644473 ("io_uring/rsrc: get rid of per-ring io_rsrc_node list")

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