Messages in this thread | | | Date | Fri, 21 Feb 2014 12:25:27 -0800 | Subject | Re: [PATCH v2] x86, kaslr: export offset in VMCOREINFO ELF notes | From | Kees Cook <> |
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On Thu, Jan 23, 2014 at 9:31 AM, Kees Cook <keescook@chromium.org> wrote: > From: Eugene Surovegin <surovegin@google.com> > > Include kASLR offset in VMCOREINFO ELF notes to assist in debugging. > > Signed-off-by: Eugene Surovegin <surovegin@google.com> > Signed-off-by: Kees Cook <keescook@chromium.org> > --- > v2: > - make sure "From:" got sent correctly > --- > arch/x86/kernel/machine_kexec_64.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/x86/kernel/machine_kexec_64.c b/arch/x86/kernel/machine_kexec_64.c > index 4eabc160696f..679cef0791cd 100644 > --- a/arch/x86/kernel/machine_kexec_64.c > +++ b/arch/x86/kernel/machine_kexec_64.c > @@ -279,5 +279,7 @@ void arch_crash_save_vmcoreinfo(void) > VMCOREINFO_SYMBOL(node_data); > VMCOREINFO_LENGTH(node_data, MAX_NUMNODES); > #endif > + vmcoreinfo_append_str("KERNELOFFSET=%lx\n", > + (unsigned long)&_text - __START_KERNEL); > } > > -- > 1.7.9.5
Ping on this patch. The crash-utils folks would like to be using this feature.
-Kees
-- Kees Cook Chrome OS Security
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