Re: [syzbot] [io-uring?] UBSAN: array-index-out-of-bounds in io_setup_async_msg

[syzbot]

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+a4c6e5ef999b68b26ed1@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         ff035989 select buf net iter init
git tree:       https://github.com/isilence/linux.git syz-test/netmsg-init
console output: https://syzkaller.appspot.com/x/log.txt?x=13421bbfa80000
kernel config:  https://syzkaller.appspot.com/x/.config?x=f4894cf58531f
dashboard link: https://syzkaller.appspot.com/bug?extid=a4c6e5ef999b68b26ed1
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.