linux-kernel - Re: [PATCH] KVM: SVM: Remove a useless zeroing of allocated memory

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]

Date: Tue,  9 Apr 2024 17:19:57 -0700
From: Sean Christopherson <seanjc@...gle.com>
To: Sean Christopherson <seanjc@...gle.com>, Paolo Bonzini <pbonzini@...hat.com>, 
	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, 
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org, 
	"H. Peter Anvin" <hpa@...or.com>, Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc: linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org, 
	kvm@...r.kernel.org
Subject: Re: [PATCH] KVM: SVM: Remove a useless zeroing of allocated memory

On Sat, 09 Mar 2024 18:15:45 +0100, Christophe JAILLET wrote:
> Depending of the memory size needed, we clear or not the allocated memory.
> This is not consistent.
> 
> So remove the zeroing of the memory in the __vmalloc() case.

Applied to kvm-x86 svm, with a massaged changelog to unequivocally state that
not zeroing the memory is a-ok.  Thanks!

[1/1] KVM: SVM: Remove a useless zeroing of allocated memory
      https://github.com/kvm-x86/linux/commit/4710e4fc3e2a

--
https://github.com/kvm-x86/linux/tree/next