linux-kernel - [syzbot ci] Re: Support "generic" CPUID timing leaf as KVM guest and host.

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

Message-ID: <689f5129.050a0220.e29e5.0019.GAE@google.com>
Date: Fri, 15 Aug 2025 08:24:25 -0700
From: syzbot ci <syzbot+ci156aec4dff349a40@...kaller.appspotmail.com>
To: ajay.kaher@...adcom.com, akataria@...are.com, alexey.makhalov@...adcom.com, 
	bp@...en8.de, dave.hansen@...ux.intel.com, dwmw2@...radead.org, 
	graf@...zon.de, hpa@...or.com, kvm@...r.kernel.org, 
	linux-kernel@...r.kernel.org, mingo@...hat.com, pbonzini@...hat.com, 
	seanjc@...gle.com, tglx@...utronix.de, vkuznets@...hat.com, x86@...nel.org
Cc: syzbot@...ts.linux.dev, syzkaller-bugs@...glegroups.com
Subject: [syzbot ci] Re: Support "generic" CPUID timing leaf as KVM guest and host.

syzbot ci has tested the following series

[v1] Support "generic" CPUID timing leaf as KVM guest and host.
https://lore.kernel.org/all/20250814120237.2469583-1-dwmw2@infradead.org
* [PATCH 1/3] KVM: x86: Restore caching of KVM CPUID base
* [PATCH 2/3] KVM: x86: Provide TSC frequency in "generic" timing infomation CPUID leaf
* [PATCH 3/3] x86/kvm: Obtain TSC frequency from CPUID if present

and found the following issue:
kernel build error

Full report is available here:
https://ci.syzbot.org/series/a9510b1a-8024-41ce-9775-675f5c165e20

***

kernel build error

tree:      torvalds
URL:       https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux
base:      dfc0f6373094dd88e1eaf76c44f2ff01b65db851
arch:      amd64
compiler:  Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
config:    https://ci.syzbot.org/builds/590edf8b-b2a0-4cbd-a80e-35083fe0988e/config

arch/x86/kernel/kvm.c:899:30: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]

***

If these findings have caused you to resend the series or submit a
separate fix, please add the following tag to your commit message:
Tested-by: syzbot@...kaller.appspotmail.com

---
This report is generated by a bot. It may contain errors.
syzbot ci engineers can be reached at syzkaller@...glegroups.com.