On 05/23, Michal Hocko wrote:
>
> @@ -271,6 +271,7 @@ static void do_error_trap(struct pt_regs *regs, long 
> error_code, char *str,
>
>       if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) !=
>                       NOTIFY_STOP) {
> +             memset(&info, 0, sizeof(info));
>               cond_local_irq_enable(regs);
>               do_trap(trapnr, signr, str, regs, error_code,
>                       fill_trap_info(regs, signr, trapnr, &info));

at first glance fill_trap_info() initializes everything we will copy
to user-space in copy_siginfo_to_user(__SI_FAULT).

But even if not, shuldn't we change fill_trap_info() instead ?

Oleg.

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