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Date: Fri, 21 Aug 2020 02:35:10 +0200 From: Thomas Gleixner <tglx@...utronix.de> To: Kees Cook <keescook@...omium.org> Cc: Kyle Huey <me@...ehuey.com>, Robert O'Callahan <rocallahan@...il.com>, LKML <linux-kernel@...r.kernel.org>, "maintainer\:X86 ARCHITECTURE \(32-BIT AND 64-BIT\)" <x86@...nel.org>, linux-arch@...r.kernel.org, Will Deacon <will@...nel.org>, Arnd Bergmann <arnd@...db.de>, Mark Rutland <mark.rutland@....com>, Keno Fischer <keno@...iacomputing.com>, Paolo Bonzini <pbonzini@...hat.com>, kvm list <kvm@...r.kernel.org>, Gabriel Krisman Bertazi <krisman@...labora.com>, Sean Christopherson <sean.j.christopherson@...el.com> Subject: Re: [REGRESSION] x86/entry: Tracer no longer has opportunity to change the syscall number at entry via orig_ax On Thu, Aug 20 2020 at 14:09, Kees Cook wrote: > On Wed, Aug 19, 2020 at 09:44:39PM +0200, Thomas Gleixner wrote: >> My fault and I have no idead why none of the silly test cases >> noticed. Fix below. > > Hmm, which were you trying? Looking just now, I see that the seccomp > selftests were failing for all their syscall-changing tests. /me feels stupid It's probably all caused by the heat wave which made my brain operate outside of the specified temperature range. Thanks, tglx
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