Re: [PATCH] x86_32, entry: store badsys error code in %eax

[Andy Lutomirski]

On Sun, Jul 20, 2014 at 2:33 PM, Sven Wegener <sven.wegener@xxxxxxxxxxx> wrote:
> Commit 554086d ("x86_32, entry: Do syscall exit work on badsys
> (CVE-2014-4508)") introduced a subtle regression in the x86_32 syscall
> entry code, resulting in syscall() not returning proper errors for
> non-existing syscalls on CPUs not supporting the sysenter feature.

s/not supporting/supporting/

That means that this is IMO much worse than the other way around: all
newish 32-bit systems are affected.

Other than the typo and the missing Cc: stable:

Reviewed-and-tested-by: Andy Lutomirski <luto@xxxxxxxxxxxxxx>

--Andy
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