Commit a0287db0 authored by Eric W. Biederman's avatar Eric W. Biederman
Browse files

signal: Have prepare_signal detect coredumps using signal->core_state 

In preparation for removing the flag SIGNAL_GROUP_COREDUMP, change
prepare_signal to test signal->core_state instead of the flag
SIGNAL_GROUP_COREDUMP.

Both fields are protected by siglock and both live in signal_struct so
there are no real tradeoffs here, just a change to which field is
being tested.

Link: https://lkml.kernel.org/r/20211213225350.27481-1-ebiederm@xmission.com
Link: https://lkml.kernel.org/r/875yqu14co.fsf_-_@email.froward.int.ebiederm.org


Signed-off-by: default avatar"Eric W. Biederman" <ebiederm@xmission.com>
parent 98b24b16

kernel/signal.c

+2 −2
Original line number Diff line number Diff line
@@ -906,8 +906,8 @@ static bool prepare_signal(int sig, struct task_struct *p, bool force) 
	struct task_struct *t;

	sigset_t flush;



	if (signal->flags & (SIGNAL_GROUP_EXIT | SIGNAL_GROUP_COREDUMP)) {

		if (!(signal->flags & SIGNAL_GROUP_EXIT))

	if ((signal->flags & SIGNAL_GROUP_EXIT) || signal->core_state) {

		if (signal->core_state)

			return sig == SIGKILL;

		/*

		 * The process is in the middle of dying, nothing to do.