udhcpc6 segfault
Denys Vlasenko
vda.linux at googlemail.com
Wed Aug 15 16:57:24 UTC 2012
On Tue, Aug 14, 2012 at 4:06 PM, Pramod Bhagwat <prbhagwat at gmail.com> wrote:
> static char **fill_envp(struct d6_packet *packet)
> {
> char **envp, **curr;
>
> client6_data.env_ptr = NULL;
> client6_data.env_idx = 0;
>
> *new_env() = xasprintf("interface=%s", client_config.interface);
>
> if (packet)
> option_to_env(packet->d6_options, packet->d6_options +
> sizeof(packet->d6_options));
>
> envp = curr = client6_data.env_ptr;
bb_error_msg("curr:%p", curr);
bb_error_msg("curr[0]:%p", curr[0]);
> while (*curr)
{
bb_error_msg("*curr:%p", *curr);
bb_error_msg("*curr:'%s'", *curr);
> putenv(*curr++);
}
>
> return envp;
> }
>
> In the above code while accessing curr pointer it is giving the
> segmentation fault.
> But client6_data.env_ptr is not NULL.
Please add bb_error_msg's as shown above, run udhcpc6 again and
let me know what it printed.
--
vda
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