From cb0c8d5e3857f9118223ba297759b8a410b0eb66 Mon Sep 17 00:00:00 2001
From: Jonathan G Rennison <j.g.rennison@gmail.com>
Date: Mon, 14 Aug 2023 11:07:11 +0100
Subject: [PATCH] Crashlog: Unix: Decode common si_code values for SIGSEGV

---
 src/os/unix/crashlog_unix.cpp | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/os/unix/crashlog_unix.cpp b/src/os/unix/crashlog_unix.cpp
index bdbf44a6ab..ea63357c71 100644
--- a/src/os/unix/crashlog_unix.cpp
+++ b/src/os/unix/crashlog_unix.cpp
@@ -312,8 +312,21 @@ class CrashLogUnix : public CrashLog {
 #ifdef WITH_SIGACTION
 		if (this->si) {
 			buffer += seprintf(buffer, last,
-					"          si_code: %d\n",
+					"          si_code: %d",
 					this->si->si_code);
+			if (this->signum == SIGSEGV) {
+				switch (this->si->si_code) {
+					case SEGV_MAPERR:
+						buffer += seprintf(buffer, last, " (SEGV_MAPERR)");
+						break;
+					case SEGV_ACCERR:
+						buffer += seprintf(buffer, last, " (SEGV_ACCERR)");
+						break;
+					default:
+						break;
+				}
+			}
+			buffer += seprintf(buffer, last, "\n");
 			if (this->signum != SIGABRT) {
 				buffer += seprintf(buffer, last,
 						"          Fault address: %p\n",