Re: [syzbot] [io-uring?] [usb?] WARNING in io_get_cqe_overflow (2)

From: syzbot
Date: Mon Nov 04 2024 - 06:35:04 EST


syzbot has bisected this issue to:

commit 3f1a546444738b21a8c312a4b49dc168b65c8706
Author: Jens Axboe <axboe@xxxxxxxxx>
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@xxxxxxxxxxxxxxxxxxxxxxxxx
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