From 92b8196192a77bd39a76c966480047a76cf2b03f Mon Sep 17 00:00:00 2001 From: hwangcc23 Date: Thu, 31 Aug 2017 22:48:33 +0800 Subject: [PATCH] Properly initialize sigaction struct The code in handle_signal() wasn't clearing the struct sigaction before passing it to sigaction(). This meant that we would block a random set of signals while executing the default handler, or jump to the uninitialized __sa_sigaction__ (instead of sa_handler). Initialize properly as we do in setup_signal_handler(). --- src/sighandler.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/sighandler.c b/src/sighandler.c index b1e7d166..1a161d2a 100644 --- a/src/sighandler.c +++ b/src/sighandler.c @@ -305,6 +305,8 @@ void handle_signal(int sig, siginfo_t *info, void *data) { struct sigaction action; action.sa_handler = SIG_DFL; + action.sa_flags = 0; + sigemptyset(&action.sa_mask); sigaction(sig, &action, NULL); raised_signal = sig; -- 2.39.5