Josh, Am Mittwoch, 27. September 2017, 16:14:30 CEST schrieb Josh Poimboeuf: > On Wed, Sep 27, 2017 at 08:51:22AM +0200, Richard Weinberger wrote: > > Am Mittwoch, 27. September 2017, 00:42:46 CEST schrieb Josh Poimboeuf: > > > > Here is another variant of the warning, it matches the attached .config: > > > I can take a look at it. Unfortunately, for these types of issues I > > > often need the vmlinux file to be able to make sense of the unwinder > > > dump. So if you happen to have somewhere to copy the vmlinux to, that > > > would be helpful. Or if you give me your GCC version I can try to > > > rebuild it locally. > > > > There you go: > > http://git.infradead.org/~rw/bpf_splat/vmlinux.xz > > Thanks. Can you test this fix? > > > diff --git a/arch/x86/kernel/kprobes/common.h > b/arch/x86/kernel/kprobes/common.h index db2182d63ed0..3fc0f9a794cb 100644 > --- a/arch/x86/kernel/kprobes/common.h > +++ b/arch/x86/kernel/kprobes/common.h > @@ -3,6 +3,15 @@ > > /* Kprobes and Optprobes common header */ > > +#include <asm/asm.h> > + > +#ifdef CONFIG_FRAME_POINTER > +# define SAVE_RBP_STRING " push %" _ASM_BP "\n" \ > + " mov %" _ASM_SP ", %" _ASM_BP "\n" > +#else > +# define SAVE_RBP_STRING " push %" _ASM_BP "\n" > +#endif > + > #ifdef CONFIG_X86_64 > #define SAVE_REGS_STRING \ > /* Skip cs, ip, orig_ax. */ \ > @@ -17,7 +26,7 @@ > " pushq %r10\n" \ > " pushq %r11\n" \ > " pushq %rbx\n" \ > - " pushq %rbp\n" \ > + SAVE_RBP_STRING \ > " pushq %r12\n" \ > " pushq %r13\n" \ > " pushq %r14\n" \ > @@ -48,7 +57,7 @@ > " pushl %es\n" \ > " pushl %ds\n" \ > " pushl %eax\n" \ > - " pushl %ebp\n" \ > + SAVE_RBP_STRING \ > " pushl %edi\n" \ > " pushl %esi\n" \ > " pushl %edx\n" \
This fixes the issue for me! Thanks, //richard -- sigma star gmbh - Eduard-Bodem-Gasse 6 - 6020 Innsbruck - Austria ATU66964118 - FN 374287y
