Remote unwinder's put_unwind_info function needs to cleanup for FEATU…

…RE_USE_SYSTEM_LIBUNWIND (dotnet#49444) Fixes issue: dotnet#42561
shadow-cs · Mar 12, 2021 · cb36239 · cb36239
1 parent 7e49088
commit cb36239
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/coreclr/pal/src/exception/remote-unwind.cpp b/src/coreclr/pal/src/exception/remote-unwind.cpp
@@ -1973,6 +1973,12 @@ find_proc_info(unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pip, int nee
 static void
 put_unwind_info(unw_addr_space_t as, unw_proc_info_t *pip, void *arg)
 {
+#ifdef FEATURE_USE_SYSTEM_LIBUNWIND
+    if (pip->unwind_info != nullptr) {
+        free(pip->unwind_info);
+        pip->unwind_info = nullptr;
+    }
+#endif // FEATURE_USE_SYSTEM_LIBUNWIND
 }
 
 static unw_accessors_t init_unwind_accessors()