From 07ae57ad67293f3164d9c8b2b6a50b6e1a77f149 Mon Sep 17 00:00:00 2001
From: Nickolay Olshevsky <o.nickolay@gmail.com>
Date: Tue, 13 Feb 2024 16:58:17 +0200
Subject: [PATCH] Another attempt to debug malloc failure.

---
 .github/workflows/centos-and-fedora.yml |  2 +-
 src/tests/ffi.cpp                       | 28 +++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/centos-and-fedora.yml b/.github/workflows/centos-and-fedora.yml
index 018d1e26e4..f6db789353 100644
--- a/.github/workflows/centos-and-fedora.yml
+++ b/.github/workflows/centos-and-fedora.yml
@@ -168,7 +168,7 @@ jobs:
           cp "cmake/CTestCostData.txt" "build/Testing/Temporary"
           export PATH="$PWD/build/src/lib:$PATH"
           chown -R rnpuser:rnpuser $PWD
-          exec su rnpuser -c "ctest --parallel ${{ env.CORES }} --test-dir build --output-on-failure"
+          exec su rnpuser -c "LD_PRELOAD=\"/usr/lib64/libc_malloc_debug.so.0:/usr/lib64/libsigsegv.so.2\" ctest --parallel ${{ env.CORES }} --test-dir build --output-on-failure"
 
       - name: Coverage
         if: env.BUILD_MODE == 'coverage'
diff --git a/src/tests/ffi.cpp b/src/tests/ffi.cpp
index 9fb4e5208c..e519fde941 100644
--- a/src/tests/ffi.cpp
+++ b/src/tests/ffi.cpp
@@ -6049,10 +6049,38 @@ TEST_F(rnp_tests, test_result_to_string)
     }
 }
 
+#include <execinfo.h>
+#include <signal.h>
+
+void
+handler(int sig)
+{
+    void * array[30];
+    size_t size;
+    char **strings;
+    size_t i;
+
+    // Get the backtrace
+    size = backtrace(array, 30);
+    strings = backtrace_symbols(array, size);
+
+    printf("Caught signal %d:\n", sig);
+
+    // Print stack trace to stderr
+    for (i = 0; i < size; i++) {
+        printf("%s\n", strings[i]);
+    }
+
+    free(strings);
+    exit(EXIT_FAILURE);
+}
+
 TEST_F(rnp_tests, test_ffi_wrong_hex_length)
 {
     rnp_ffi_t ffi = NULL;
 
+    signal(SIGSEGV, handler);
+
     // setup FFI
     assert_rnp_success(rnp_ffi_create(&ffi, "GPG", "GPG"));
     // load our keyrings