Hi,
> we see this code in proc_pid_lookup:
>
> tgid = name_to_int(dentry);
> if (tgid == ~0U)
> goto out;
>
> In other words, if you ask for pid 0, it bails and doesn't return anything.
Are you sure that this is what it cjecks?
~0U is not 0 but -1;
for example, try:
printf("%d\n",~0U );
printf("%x\n",~0U );
printf("%x\n",-1 );
and you get:
-1
ffffffff
ffffffff
rgs
Kevin
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