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

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Message-ID: <687d4126.a70a0220.693ce.00d4.GAE@google.com>
Date: Sun, 20 Jul 2025 12:19:02 -0700
From: syzbot <syzbot+01523a0ae5600aef5895@...kaller.appspotmail.com>
To: abbotti@....co.uk, axboe@...nel.dk, gregkh@...uxfoundation.org, 
	hsweeten@...ionengravers.com, io-uring@...r.kernel.org, 
	linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [kernel] KASAN: slab-use-after-free Read in io_poll_remove_entries

Hello,

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

Reported-by: syzbot+01523a0ae5600aef5895@...kaller.appspotmail.com
Tested-by: syzbot+01523a0ae5600aef5895@...kaller.appspotmail.com

Tested on:

commit:         07fa9cad Merge tag 'x86-urgent-2025-07-20' of git://gi..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1086638c580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=fa738a4418f051ee
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=16a8cb82580000

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