Do not intercept __libc_memalign and cfree on Android because neither of these exists in Bionic.

[oontvoo]

rebase

compiler-rt/lib/lsan/lsan_interceptors.cpp

 
 #if SANITIZER_INTERCEPT_MEMALIGN
 INTERCEPTOR(void*, memalign, uptr alignment, uptr size) {
   ENSURE_LSAN_INITED;
   GET_STACK_TRACE_MALLOC;
   return lsan_memalign(alignment, size, stack);
 }
 #define LSAN_MAYBE_INTERCEPT_MEMALIGN INTERCEPT_FUNCTION(memalign)
+#else
+#define LSAN_MAYBE_INTERCEPT_MEMALIGN
+#endif  // SANITIZER_INTERCEPT_MEMALIGN
 
+#if SANITIZER_INTERCEPT___LIBC_MEMALIGN
 INTERCEPTOR(void *, __libc_memalign, uptr alignment, uptr size) {
   ENSURE_LSAN_INITED;
   GET_STACK_TRACE_MALLOC;
   void *res = lsan_memalign(alignment, size, stack);
   DTLS_on_libc_memalign(res, size);
   return res;
 }
 #define LSAN_MAYBE_INTERCEPT___LIBC_MEMALIGN INTERCEPT_FUNCTION(__libc_memalign)
 #else
-#define LSAN_MAYBE_INTERCEPT_MEMALIGN
 #define LSAN_MAYBE_INTERCEPT___LIBC_MEMALIGN
-#endif // SANITIZER_INTERCEPT_MEMALIGN
+#endif  // SANITIZER_INTERCEPT___LIBC_MEMALIGN
 
 #if SANITIZER_INTERCEPT_ALIGNED_ALLOC
 INTERCEPTOR(void*, aligned_alloc, uptr alignment, uptr size) {
   ENSURE_LSAN_INITED;
   GET_STACK_TRACE_MALLOC;
   return lsan_aligned_alloc(alignment, size, stack);
 }
 #define LSAN_MAYBE_INTERCEPT_ALIGNED_ALLOC INTERCEPT_FUNCTION(aligned_alloc)

compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h

 
 #define SANITIZER_INTERCEPT_MMAP SI_POSIX
 #define SANITIZER_INTERCEPT_MMAP64 SI_LINUX_NOT_ANDROID
 #define SANITIZER_INTERCEPT_MALLOPT_AND_MALLINFO                            \
   (!SI_FREEBSD && !SI_MAC && !SI_NETBSD && SI_NOT_FUCHSIA && \
    SI_NOT_RTEMS && !SI_SOLARIS)  // NOLINT
 #define SANITIZER_INTERCEPT_MEMALIGN \
   (!SI_FREEBSD && !SI_MAC && !SI_NETBSD && SI_NOT_RTEMS)
+#define SANITIZER_INTERCEPT___LIBC_MEMALIGN                               \
+  (!SI_FREEBSD && !SI_MAC && !SI_NETBSD && !SI_OPENBSD && SI_NOT_RTEMS && \
+   !SI_ANDROID)
 #define SANITIZER_INTERCEPT_PVALLOC                                         \
   (!SI_FREEBSD && !SI_MAC && !SI_NETBSD && SI_NOT_FUCHSIA && \
    SI_NOT_RTEMS && !SI_SOLARIS)  // NOLINT
-#define SANITIZER_INTERCEPT_CFREE                                           \
-  (!SI_FREEBSD && !SI_MAC && !SI_NETBSD && SI_NOT_FUCHSIA && \
-   SI_NOT_RTEMS && !SI_SOLARIS)  // NOLINT
+#define SANITIZER_INTERCEPT_CFREE                                            \
+  (!SI_FREEBSD && !SI_MAC && !SI_NETBSD && SI_NOT_FUCHSIA && SI_NOT_RTEMS && \
+   !SI_SOLARIS && !SANITIZER_ANDROID)  // NOLINT
 #define SANITIZER_INTERCEPT_REALLOCARRAY SI_POSIX
 #define SANITIZER_INTERCEPT_ALIGNED_ALLOC (!SI_MAC && SI_NOT_RTEMS)
 #define SANITIZER_INTERCEPT_MALLOC_USABLE_SIZE \
   (!SI_MAC && !SI_NETBSD)
 #define SANITIZER_INTERCEPT_MCHECK_MPROBE SI_LINUX_NOT_ANDROID
 #define SANITIZER_INTERCEPT_WCSCAT SI_POSIX
 #define SANITIZER_INTERCEPT_WCSDUP SI_POSIX
 #define SANITIZER_INTERCEPT_SIGNAL_AND_SIGACTION (!SI_WINDOWS && SI_NOT_FUCHSIA)