Hi
Thanks a lot!
Forwarded to upstream in this mail. I hope he have the email left.
Best regards,
// Ola
On Sat, Oct 20, 2007 at 11:14:55PM +0200, Jose Luis Gonzalez wrote:
> Package: pnscan
> Version: 1.11-3
> Severity: normal
> Tags: upstream patch
>
> pnscan segfaults when running without parameters and an empty line
> as input:
>
> $ echo | pnscan
> Segmentation fault (core dumped)
>
> $ gdb /usr/bin/pnscan core
> [...]
> Program terminated with signal 11, Segmentation fault.
> #0 0xb7e17b26 in strtok_r () from /lib/tls/libc.so.6
>
> This is a bug in the original program:
>
> ====================================================================
>
> --- pnscan-wrong.c 2007-10-20 23:08:00.000000000 +0200
> +++ pnscan.c 2007-10-20 23:08:06.000000000 +0200
> @@ -816,7 +816,6 @@
> }
>
> host = strtok_r(buf, " \t\n\r", &tokp);
> - serv = strtok_r(NULL, " \t\n\r", &tokp);
>
> if (host == NULL || host[0] == '#')
> continue;
> @@ -828,6 +827,8 @@
> continue;
> }
>
> + serv = strtok_r(NULL, " \t\n\r", &tokp);
> +
> if (serv == NULL)
> {
> if (first_port == 0)
>
> =======================================================================
>
> Please forward to upstream.
>
>
>
--
--------------------- Ola Lundqvist ---------------------------
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