Fix: uninitialized sa_mask value in sigfault ext

crystal-lang · Feb 4, 2018 · 47b45da · 47b45da
1 parent 322d1c4
commit 47b45da
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/ext/sigfault.c b/src/ext/sigfault.c
@@ -18,6 +18,7 @@ void setup_sigfault_handler() {
   altstack.ss_flags = 0;
   sigaltstack(&altstack, NULL);
 
+  sigemptyset(&action.sa_mask);
   action.sa_flags = SA_ONSTACK | SA_SIGINFO;
   action.sa_sigaction = &sigfault_handler;