On Wed, Feb 24, 2021 at 08:44:45AM -0800, Yu, Yu-cheng wrote:
> > > + force_sig_fault(SIGSEGV, SEGV_CPERR,
> > > +                 (void __user *)uprobe_get_trap_addr(regs));
> > 
> > Why is this calling an uprobes function?
> > 
> 
> I will change it to error_get_trap_addr().

"/*
  * Posix requires to provide the address of the faulting instruction for
  * SIGILL (#UD) and SIGFPE (#DE) in the si_addr member of siginfo_t.
  ..."

Is yours SIGILL or SIGFPE?

-- 
Regards/Gruss,
    Boris.

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