Re: [syzbot] [kernel] KASAN: slab-use-after-free Read in io_poll_remove_entries

From: syzbot
Date: Tue Jul 22 2025 - 09:14:16 EST


Hello,

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

Reported-by: syzbot+01523a0ae5600aef5895@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+01523a0ae5600aef5895@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 89be9a83 Linux 6.16-rc7
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=16ee5f22580000
kernel config: https://syzkaller.appspot.com/x/.config?x=186272c644ef9aa3
dashboard link: https://syzkaller.appspot.com/bug?extid=01523a0ae5600aef5895
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=15cf24f0580000

Note: testing is done by a robot and is best-effort only.