Re: [PATCH 0/3] ptrace: Stop supporting SIGKILL for PTRACE_EVENT_EXIT

[Eric W. Biederman]

"Eric W. Biederman" <ebiederm@xxxxxxxxxxxx> writes:

> Recently I had a conversation where it was pointed out to me that
> SIGKILL sent to a tracee stropped in PTRACE_EVENT_EXIT is quite
> difficult for a tracer to handle.
>
> Keeping SIGKILL working for anything after the process has been killed
> is also a real pain from an implementation point of view.
>
> So I am attempting to remove this wart in the userspace API and see
> if anyone cares.
>
> Eric W. Biederman (3):
>       signal: Ensure SIGNAL_GROUP_EXIT gets set in do_group_exit
>       signal: Guarantee that SIGNAL_GROUP_EXIT is set on process exit
>       signal: Drop signals received after a fatal signal has been processed
>
>  fs/coredump.c                |  2 +-
>  include/linux/sched/signal.h |  1 +
>  kernel/exit.c                | 20 +++++++++++++++++++-
>  kernel/fork.c                |  2 ++
>  kernel/signal.c              |  3 ++-
>  5 files changed, 25 insertions(+), 3 deletions(-)

RR folks any comments?

Did I properly understand what Keno Fischer was asking for when we
talked in person?

Eric