Re: [syzbot] KASAN: slab-out-of-bounds Read in io_uring_show_fdinfo

From: syzbot
Date: Mon Oct 10 2022 - 08:32:25 EST


Hello,

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

Reported-and-tested-by: syzbot+e5198737e8a2d23d958c@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 4f408867 io_uring: fix sq shifts in fdinfo
git tree: https://github.com/isilence/linux.git io_uring/fdinfo_fix
console output: https://syzkaller.appspot.com/x/log.txt?x=1529d51a880000
kernel config: https://syzkaller.appspot.com/x/.config?x=b87022a508b2913f
dashboard link: https://syzkaller.appspot.com/bug?extid=e5198737e8a2d23d958c
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

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