linux-kernel - Re: [syzbot] [kvm?] KASAN: slab-use-after-free Write in kvm_gmem

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Message-ID: <68fc470c.a00a0220.9662e.0012.GAE@google.com>
Date: Fri, 24 Oct 2025 20:42:04 -0700
From: syzbot <syzbot+2479e53d0db9b32ae2aa@...kaller.appspotmail.com>
To: hdanton@...a.com, kvm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	seanjc@...gle.com, syzkaller-bugs@...glegroups.com, tabba@...gle.com, 
	xiaoyao.li@...el.com
Subject: Re: [syzbot] [kvm?] KASAN: slab-use-after-free Write in kvm_gmem_release

Hello,

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

Reported-by: syzbot+2479e53d0db9b32ae2aa@...kaller.appspotmail.com
Tested-by: syzbot+2479e53d0db9b32ae2aa@...kaller.appspotmail.com

Tested on:

commit:         72fb0170 Add linux-next specific files for 20251024
git tree:       linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=15da53e2580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=bcaf4aad77308158
dashboard link: https://syzkaller.appspot.com/bug?extid=2479e53d0db9b32ae2aa
compiler:       Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch:          https://syzkaller.appspot.com/x/patch.diff?x=161c4258580000

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