From 3c8195d16746a4c318e48640c99864cf24042ab5 Mon Sep 17 00:00:00 2001
From: Anatoly Korniltsev <korniltsev.anatoly@gmail.com>
Date: Mon, 21 Sep 2020 17:29:19 +0300
Subject: [PATCH] src: fix incorrect SIGSEGV handling in
 NODE_USE_V8_WASM_TRAP_HANDLER

Pass SA_SIGINFO to sa_flags so the TrapWebAssemblyOrContinue is treated
as sa_sigaction, not sa_handler, otherwise siginfo_t* info contains
some garbage

PR-URL: https://github.com/nodejs/node/pull/35282
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Minwoo Jung <nodecorelab@gmail.com>
---
 src/node.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/node.cc b/src/node.cc
index 00cce0fd465541..521cae7757d477 100644
--- a/src/node.cc
+++ b/src/node.cc
@@ -661,6 +661,7 @@ inline void PlatformInit() {
     struct sigaction sa;
     memset(&sa, 0, sizeof(sa));
     sa.sa_sigaction = TrapWebAssemblyOrContinue;
+    sa.sa_flags = SA_SIGINFO;
     CHECK_EQ(sigaction(SIGSEGV, &sa, nullptr), 0);
   }
 #endif  // defined(_WIN32)