It could be larger but then there is a problem with the ethernet and/or physical layers. The packet is transmitted correctly but the next received packet seems corrupted.
We probably want a specific driver for read-only pseudo-files.
Global strtol_wip (const char *str, char **end, int base)
This function is supposed to implement strtol() but it has been written for the kernel stacktrace and does not behave like it should (e.g., it does not skip spaces and does not support a base different than 16).