linux-kernel - Re: [syzbot] [virt?] upstream test error: KMSAN: use-after-free in vring_map_one

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Message-ID: <68e9fe93.a70a0220.b3ac9.0003.GAE@google.com>
Date: Fri, 10 Oct 2025 23:52:03 -0700
From: syzbot <syzbot+ac856b8b866cca41352c@...kaller.appspotmail.com>
To: jasowang@...hat.com, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [virt?] upstream test error: KMSAN: use-after-free in vring_map_one_sg

Hello,

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

Reported-by: syzbot+ac856b8b866cca41352c@...kaller.appspotmail.com
Tested-by: syzbot+ac856b8b866cca41352c@...kaller.appspotmail.com

Tested on:

commit:         07394736 Merge tag 'for-6.18/hpfs-changes' of git://gi..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=60ff1a9f60b0f77d
dashboard link: https://syzkaller.appspot.com/bug?extid=ac856b8b866cca41352c
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=11361b34580000

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