2 files changed, 17 insertions, 1 deletions

diff --git a/src/regex-emacs.c b/src/regex-emacs.c
index ba7f3cef64b..5c08c81c0b5 100644
--- a/src/regex-emacs.c
+++ b/src/regex-emacs.c
@@ -29,6 +29,10 @@
 
 #include <stdlib.h>
 
+#ifdef HAVE_SANITIZER_LSAN_INTERFACE_H
+#include <sanitizer/lsan_interface.h>
+#endif
+
 #include "character.h"
 #include "buffer.h"
 #include "syntax.h"
@@ -1757,6 +1761,9 @@ regex_compile (re_char *pattern, ptrdiff_t size,
   /* Initialize the compile stack.  */
   compile_stack.stack = xmalloc (INIT_COMPILE_STACK_SIZE
                                  * sizeof *compile_stack.stack);
+#ifdef HAVE_SANITIZER_LSAN_INTERFACE_H
+  __lsan_ignore_object (compile_stack.stack);
+#endif
   compile_stack.size = INIT_COMPILE_STACK_SIZE;
   compile_stack.avail = 0;
 
diff --git a/src/search.c b/src/search.c
index ec076c18035..ad5d0302932 100644
--- a/src/search.c
+++ b/src/search.c
@@ -21,6 +21,10 @@ along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
+#ifdef HAVE_SANITIZER_LSAN_INTERFACE_H
+#include <sanitizer/lsan_interface.h>
+#endif
+
 #include "lisp.h"
 #include "character.h"
 #include "buffer.h"
@@ -613,7 +617,12 @@ newline_cache_on_off (struct buffer *buf)
         {
           /* It should be on.  */
           if (base_buf->newline_cache == 0)
-            base_buf->newline_cache = new_region_cache ();
+            {
+              base_buf->newline_cache = new_region_cache ();
+#ifdef HAVE_SANITIZER_LSAN_INTERFACE_H
+              __lsan_ignore_object (base_buf->newline_cache);
+#endif
+            }
         }
       return base_buf->newline_cache;
     }