Re: [PATCH V2] signal: Prevent exec() race

[Thomas Gleixner]

On Wed, Sep 02 2026 at 12:28, Oleg Nesterov wrote:
>> @@ -1990,6 +2004,9 @@ void posixtimer_send_sigqueue(struct k_i
>>  	if (!likely(lock_task_sighand(t, &flags)))
>>  		return;
>>
>> +	if (unlikely(tmr->it_pid_type == PIDTYPE_PID && (t->flags & PF_EXITING)))
>> +		return;
>
> this lacks unlock_sighand().

Bah.