linux-kernel - Re: [v5.15] WARNING in kvm_arch_vcpu_ioctl

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <e000707c-79ce-4ef9-a42c-52997d14c08d@collabora.com>
Date: Wed, 10 Jan 2024 10:09:48 +0500
From: Muhammad Usama Anjum <usama.anjum@...labora.com>
To: syzbot <syzbot+412c9ae97b4338c5187e@...kaller.appspotmail.com>,
 bp@...en8.de, dave.hansen@...ux.intel.com, hpa@...or.com, jarkko@...nel.org,
 jmattson@...gle.com, joro@...tes.org, kvm@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-sgx@...r.kernel.org, mingo@...hat.com,
 pbonzini@...hat.com, seanjc@...gle.com, syzkaller-lts-bugs@...glegroups.com,
 tglx@...utronix.de, vkuznets@...hat.com, wanpengli@...cent.com,
 x86@...nel.org
Cc: Muhammad Usama Anjum <usama.anjum@...labora.com>
Subject: Re: [v5.15] WARNING in kvm_arch_vcpu_ioctl_run

On 1/9/24 11:18 PM, syzbot wrote:
> This bug is marked as fixed by commit:
> KVM: x86: Remove WARN sanity check on hypervisor timer vs. UNINITIALIZED vCPU
> 
> But I can't find it in the tested trees[1] for more than 90 days.
Just found out that the fix hasn't been back ported to this kernel. The fix
could be backported and sent to be included in this stable kernel.

#syz unfix

> Is it a correct commit? Please update it by replying:
> 
> #syz fix: exact-commit-title
> 
> Until then the bug is still considered open and new crashes with
> the same signature are ignored.
> 
> Kernel: Linux 5.15
> Dashboard link: https://syzkaller.appspot.com/bug?extid=412c9ae97b4338c5187e
> 
> ---
> [1] I expect the commit to be present in:
> 
> 1. linux-5.15.y branch of
> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git

-- 
BR,
Muhammad Usama Anjum