Re: [PATCH 14/20] exit/syscall_user_dispatch: Send ordinary signals on failure

Eric W. Biederman
2021-10-21T16:37:37Z

Kees Cook <keescook@chromium.org> writes:

> On Wed, Oct 20, 2021 at 12:44:00PM -0500, Eric W. Biederman wrote:
>> Use force_fatal_sig instead of calling do_exit directly. This ensures
>> the ordinary signal handling path gets invoked, core dumps as
>> appropriate get created, and for multi-threaded processes all of the
>> threads are terminated not just a single thread.
>
> Yeah, looks good. Should be no visible behavior change.

It is observable in that an entire multi-threaded process gets
terminated instead of a single thread. But since these events should
be handling of extra-ordinary events I don't expect there is anyone
who wants to have a thread of their process survive.

Eric