Messages in this thread Patch in this message | | | Date | Thu, 23 Jan 2014 09:31:20 -0800 | From | Kees Cook <> | Subject | [PATCH v2] x86, kaslr: export offset in VMCOREINFO ELF notes |
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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
-- Kees Cook Chrome OS Security
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