On 06/05, zhongjiang wrote:
>
> static int kill_something_info(int sig, struct siginfo *info, pid_t pid)
> {
> - int ret;
> + int ret, vpid;
>
> if (pid > 0) {
> rcu_read_lock();
> @@ -1395,8 +1395,12 @@ static int kill_something_info(int sig, struct siginfo *info, pid_t pid)
>
> read_lock(&tasklist_lock);
> if (pid != -1) {
> + if (pid == INT_MIN)
> + vpid = INT_MAX;
Well, this probably needs a comment to explain that this is just "avoid ub".
And if we really want the fix, to me
if (pid == INT_MIN)
return -ESRCH;
at the start makes more sense...
Oleg.
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