| 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
| ||
|
Message-Id: <20120510173136.201296883@linuxfoundation.org> Date: Thu, 10 May 2012 10:32:10 -0700 From: Greg KH <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: torvalds@...ux-foundation.org, akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk, Gleb Natapov <gleb@...hat.com>, Avi Kivity <avi@...hat.com> Subject: [ 38/52] KVM: x86 emulator: correctly mask pmc index bits in RDPMC instruction emulation 3.3-stable review patch. If anyone has any objections, please let me know. ------------------ From: Gleb Natapov <gleb@...hat.com> (cherry picked from commit 270c6c79f4e15e599f47174ecedad932463af7a2) Signed-off-by: Gleb Natapov <gleb@...hat.com> Signed-off-by: Avi Kivity <avi@...hat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- arch/x86/kvm/pmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/kvm/pmu.c +++ b/arch/x86/kvm/pmu.c @@ -413,7 +413,7 @@ int kvm_pmu_read_pmc(struct kvm_vcpu *vc struct kvm_pmc *counters; u64 ctr; - pmc &= (3u << 30) - 1; + pmc &= ~(3u << 30); if (!fixed && pmc >= pmu->nr_arch_gp_counters) return 1; if (fixed && pmc >= pmu->nr_arch_fixed_counters) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists