Re: [PATCH] Improve corefile generation by using /proc/PID/coredump_filter (PR corefile/16902)

Pedro Alves
2015-03-12T15:46:11Z

On 03/12/2015 03:00 PM, Oleg Nesterov wrote:

> However. If (for any reason) you decide to dump this region, gdb can
> look into /proc/self/maps, find its own "vvar" mapping, and simply read
> this memory. Unlike "vdso", "vvar" has the same content for every process.

Actually it can't: GDB may well be dumping the memory of
a process running on another machine (through gdbserver).

Thanks,
Pedro Alves