tree-wide: whenever we fork off a foreign child process reset signal mask/handlers

Also, when the child is potentially long-running make sure to set a
death signal.

Also, ignore the result of the reset operations explicitly by casting
them to (void).

1 files changed, 3 insertions, 0 deletions

diff --git a/src/journal/coredumpctl.c b/src/journal/coredumpctl.c
index 381bf72776..fc49b2e174 100644
--- a/src/journal/coredumpctl.c
+++ b/src/journal/coredumpctl.c
@@ -757,6 +757,9 @@ static int run_gdb(sd_journal *j) {
                 goto finish;
         }
         if (pid == 0) {
+                (void) reset_all_signal_handlers();
+                (void) reset_signal_mask();
+
                 execlp("gdb", "gdb", exe, path, NULL);
 
                 log_error_errno(errno, "Failed to invoke gdb: %m");