diff --git a/compiler-rt/lib/lsan/lsan_common_linux.cpp b/compiler-rt/lib/lsan/lsan_common_linux.cpp
--- a/compiler-rt/lib/lsan/lsan_common_linux.cpp
+++ b/compiler-rt/lib/lsan/lsan_common_linux.cpp
@@ -31,6 +31,13 @@
 static char linker_placeholder[sizeof(LoadedModule)] ALIGNED(64);
 static LoadedModule *linker = nullptr;
 
+#if SANITIZER_ANDROID
+#if __ANDROID_API__ < 21
+extern "C" __attribute__((weak)) int dl_iterate_phdr(
+    int (*)(struct dl_phdr_info *, size_t, void *), void *);
+#endif
+#endif
+
 static bool IsLinker(const LoadedModule& module) {
 #if SANITIZER_USE_GETAUXVAL
   return module.base_address() == getauxval(AT_BASE);
diff --git a/compiler-rt/lib/lsan/lsan_interceptors.cpp b/compiler-rt/lib/lsan/lsan_interceptors.cpp
--- a/compiler-rt/lib/lsan/lsan_interceptors.cpp
+++ b/compiler-rt/lib/lsan/lsan_interceptors.cpp
@@ -116,6 +116,10 @@
 }
 #define LSAN_MAYBE_INTERCEPT_MEMALIGN INTERCEPT_FUNCTION(memalign)
 
+// Bionic does not have __libc_memalign.
+// But it does provide a thread-properties API to query for
+// DTLS after-the-fact.
+#if !SANITIZER_ANDROID
 INTERCEPTOR(void *, __libc_memalign, uptr alignment, uptr size) {
   ENSURE_LSAN_INITED;
   GET_STACK_TRACE_MALLOC;
@@ -125,9 +129,12 @@
 }
 #define LSAN_MAYBE_INTERCEPT___LIBC_MEMALIGN INTERCEPT_FUNCTION(__libc_memalign)
 #else
+#define LSAN_MAYBE_INTERCEPT___LIBC_MEMALIGN
+#endif  // SANITIZER_ANDROID
+#else
 #define LSAN_MAYBE_INTERCEPT_MEMALIGN
 #define LSAN_MAYBE_INTERCEPT___LIBC_MEMALIGN
-#endif // SANITIZER_INTERCEPT_MEMALIGN
+#endif  // SANITIZER_INTERCEPT_MEMALIGN
 
 #if SANITIZER_INTERCEPT_ALIGNED_ALLOC
 INTERCEPTOR(void*, aligned_alloc, uptr alignment, uptr size) {
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h b/compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h
--- a/compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h
@@ -504,9 +504,8 @@
 #define SANITIZER_INTERCEPT_MALLOPT_AND_MALLINFO                            \
   (!SI_FREEBSD && !SI_MAC && !SI_NETBSD && !SI_OPENBSD && SI_NOT_FUCHSIA && \
    SI_NOT_RTEMS && !SI_SOLARIS)
-#define SANITIZER_INTERCEPT_MEMALIGN                                      \
-  (!SI_FREEBSD && !SI_MAC && !SI_NETBSD && !SI_OPENBSD && SI_NOT_RTEMS && \
-   !SI_ANDROID)
+#define SANITIZER_INTERCEPT_MEMALIGN \
+  (!SI_FREEBSD && !SI_MAC && !SI_NETBSD && !SI_OPENBSD && SI_NOT_RTEMS)
 #define SANITIZER_INTERCEPT_PVALLOC                                         \
   (!SI_FREEBSD && !SI_MAC && !SI_NETBSD && !SI_OPENBSD && SI_NOT_FUCHSIA && \
    SI_NOT_RTEMS && !SI_SOLARIS)