On 2/24/2021 8:53 AM, Borislav Petkov wrote:
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?
No. Maybe I am doing too much. The GP fault sets si_addr to zero, for
example. So maybe do the same here?