diff --git a/libc/include/stdio.h b/libc/include/stdio.h
index 6a76da6..f1f86a3 100644
--- a/libc/include/stdio.h
+++ b/libc/include/stdio.h
@@ -341,7 +341,7 @@
     __errorattr("size * count is too large");
 
 __BIONIC_FORTIFY_INLINE
-size_t fread(void *__restrict const __pass_object_size buf, size_t size,
+size_t fread(void *__restrict const __pass_object_size0 buf, size_t size,
              size_t count, FILE *__restrict stream) __overloadable {
     size_t bos = __bos0(buf);
 
@@ -366,8 +366,9 @@
     __errorattr("size * count is too large");
 
 __BIONIC_FORTIFY_INLINE
-size_t fwrite(const void * __restrict const __pass_object_size buf, size_t size,
-              size_t count, FILE * __restrict stream) __overloadable {
+size_t fwrite(const void * __restrict const __pass_object_size0 buf,
+              size_t size, size_t count, FILE * __restrict stream)
+        __overloadable {
     size_t bos = __bos0(buf);
 
     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
diff --git a/libc/include/string.h b/libc/include/string.h
index 38595b2..16fc4b6 100644
--- a/libc/include/string.h
+++ b/libc/include/string.h
@@ -168,13 +168,13 @@
 // trickery...
 #if __ANDROID_API__ >= __ANDROID_API_J_MR1__
 __BIONIC_FORTIFY_INLINE
-void* memcpy(void* _Nonnull __restrict const dst __pass_object_size,
+void* memcpy(void* _Nonnull __restrict const dst __pass_object_size0,
         const void* _Nonnull __restrict src, size_t copy_amount) __overloadable {
     return __builtin___memcpy_chk(dst, src, copy_amount, __bos0(dst));
 }
 
 __BIONIC_FORTIFY_INLINE
-void* memmove(void* const _Nonnull dst __pass_object_size,
+void* memmove(void* const _Nonnull dst __pass_object_size0,
         const void* _Nonnull src, size_t len) __overloadable {
     return __builtin___memmove_chk(dst, src, len, __bos0(dst));
 }
@@ -209,7 +209,7 @@
 }
 
 __BIONIC_FORTIFY_INLINE
-void* memset(void* const _Nonnull s __pass_object_size, int c, size_t n)
+void* memset(void* const _Nonnull s __pass_object_size0, int c, size_t n)
         __overloadable {
     return __builtin___memset_chk(s, c, n, __bos0(s));
 }
@@ -343,7 +343,7 @@
 }
 
 __BIONIC_FORTIFY_INLINE
-size_t strlen(const char* const _Nonnull s __pass_object_size_n(0))
+size_t strlen(const char* const _Nonnull s __pass_object_size0)
         __overloadable {
     size_t bos = __bos0(s);
 
@@ -358,7 +358,7 @@
 
 #if  __ANDROID_API__ >= __ANDROID_API_J_MR2__
 __BIONIC_FORTIFY_INLINE
-char* strchr(const char* const _Nonnull s __pass_object_size_n(0), int c)
+char* strchr(const char* const _Nonnull s __pass_object_size0, int c)
         __overloadable {
     size_t bos = __bos0(s);
 
@@ -395,7 +395,7 @@
         __error_if_overflows_dst(memset, s, n, "size");
 
 __BIONIC_FORTIFY_INLINE
-void* memset(void* const _Nonnull s __pass_object_size, int c, size_t n,
+void* memset(void* const _Nonnull s __pass_object_size0, int c, size_t n,
              struct __bionic_zero_size_is_okay_t ok __attribute__((unused)))
         __overloadable {
     return __builtin___memset_chk(s, c, n, __bos0(s));
diff --git a/libc/include/sys/cdefs.h b/libc/include/sys/cdefs.h
index 9492d92..94860d9 100644
--- a/libc/include/sys/cdefs.h
+++ b/libc/include/sys/cdefs.h
@@ -298,6 +298,7 @@
 #    define __BIONIC_FORTIFY_INLINE extern __inline__ __always_inline __attribute__((gnu_inline)) __attribute__((__artificial__))
 #  endif
 #  define __pass_object_size __pass_object_size_n(__bos_level)
+#  define __pass_object_size0 __pass_object_size_n(0)
 #endif
 
 /* Used to support clangisms with FORTIFY. This isn't in the FORTIFY section
diff --git a/libc/include/sys/socket.h b/libc/include/sys/socket.h
index 997191e..0813423 100644
--- a/libc/include/sys/socket.h
+++ b/libc/include/sys/socket.h
@@ -329,18 +329,19 @@
 
 #if defined(__BIONIC_FORTIFY)
 
+#define __recvfrom_bad_size "recvfrom called with size bigger than buffer"
 #if defined(__clang__)
 #if __ANDROID_API__ >= __ANDROID_API_N__
 __BIONIC_ERROR_FUNCTION_VISIBILITY
-ssize_t recvfrom(int fd, void* const buf __pass_object_size, size_t len,
+ssize_t recvfrom(int fd, void* const buf __pass_object_size0, size_t len,
                  int flags, struct sockaddr* src_addr, socklen_t* addr_len)
         __overloadable
         __enable_if(__bos(buf) != __BIONIC_FORTIFY_UNKNOWN_SIZE &&
                     __bos(buf) < len, "selected when the buffer is too small")
-        __errorattr("size is larger than the destination buffer");
+        __errorattr(__recvfrom_bad_size);
 
 __BIONIC_FORTIFY_INLINE
-ssize_t recvfrom(int fd, void* const buf __pass_object_size, size_t len,
+ssize_t recvfrom(int fd, void* const buf __pass_object_size0, size_t len,
                  int flags, struct sockaddr* src_addr, socklen_t* addr_len)
       __overloadable {
   size_t bos = __bos0(buf);
@@ -354,15 +355,9 @@
 }
 #endif /* __ANDROID_API__ >= __ANDROID_API_N__ */
 
-__BIONIC_FORTIFY_INLINE
-ssize_t recv(int socket, void* const buf __pass_object_size, size_t len,
-             int flags) __overloadable {
-  return recvfrom(socket, buf, len, flags, NULL, 0);
-}
-
 #else /* defined(__clang__) */
 ssize_t __recvfrom_real(int, void*, size_t, int, struct sockaddr*, socklen_t*) __RENAME(recvfrom);
-__errordecl(__recvfrom_error, "recvfrom called with size bigger than buffer");
+__errordecl(__recvfrom_error, __recvfrom_bad_size);
 
 #if __ANDROID_API__ >= __ANDROID_API_N__
 __BIONIC_FORTIFY_INLINE
@@ -385,14 +380,15 @@
   return __recvfrom_chk(fd, buf, len, bos, flags, src_addr, addr_len);
 }
 #endif /* __ANDROID_API__ >= __ANDROID_API_N__ */
+#endif /* defined(__clang__) */
+#undef __recvfrom_bad_size
 
 __BIONIC_FORTIFY_INLINE
-ssize_t recv(int socket, void* buf, size_t len, int flags) {
+ssize_t recv(int socket, void* const buf __pass_object_size0, size_t len,
+             int flags) __overloadable {
   return recvfrom(socket, buf, len, flags, NULL, 0);
 }
 
-#endif /* defined(__clang__) */
-
 #endif /* __BIONIC_FORTIFY */
 
 #undef __socketcall
diff --git a/libc/include/unistd.h b/libc/include/unistd.h
index b3f8c11..7c6125a 100644
--- a/libc/include/unistd.h
+++ b/libc/include/unistd.h
@@ -322,7 +322,7 @@
         __error_if_overflows_objectsize(count, __bos0(buf));
 
 __BIONIC_FORTIFY_INLINE
-ssize_t pread(int fd, void* const __pass_object_size buf, size_t count,
+ssize_t pread(int fd, void* const __pass_object_size0 buf, size_t count,
               off_t offset) __overloadable {
     size_t bos = __bos0(buf);
 
@@ -343,7 +343,7 @@
         __error_if_overflows_objectsize(count, __bos0(buf));
 
 __BIONIC_FORTIFY_INLINE
-ssize_t pread64(int fd, void* const __pass_object_size buf, size_t count,
+ssize_t pread64(int fd, void* const __pass_object_size0 buf, size_t count,
                 off64_t offset) __overloadable {
     size_t bos = __bos0(buf);
 
@@ -368,7 +368,7 @@
         __error_if_overflows_objectsize(count, __bos0(buf));
 
 __BIONIC_FORTIFY_INLINE
-ssize_t pwrite(int fd, const void* const __pass_object_size buf, size_t count,
+ssize_t pwrite(int fd, const void* const __pass_object_size0 buf, size_t count,
                off_t offset) __overloadable {
     size_t bos = __bos0(buf);
 
@@ -391,8 +391,8 @@
         __error_if_overflows_objectsize(count, __bos0(buf));
 
 __BIONIC_FORTIFY_INLINE
-ssize_t pwrite64(int fd, const void* const __pass_object_size buf, size_t count,
-                 off64_t offset) __overloadable {
+ssize_t pwrite64(int fd, const void* const __pass_object_size0 buf,
+                 size_t count, off64_t offset) __overloadable {
     size_t bos = __bos0(buf);
 
     if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) {
@@ -413,7 +413,7 @@
         __error_if_overflows_objectsize(count, __bos0(buf));
 
 __BIONIC_FORTIFY_INLINE
-ssize_t read(int fd, void* const __pass_object_size buf, size_t count)
+ssize_t read(int fd, void* const __pass_object_size0 buf, size_t count)
         __overloadable {
     size_t bos = __bos0(buf);
 
@@ -434,7 +434,7 @@
         __error_if_overflows_objectsize(count, __bos0(buf));
 
 __BIONIC_FORTIFY_INLINE
-ssize_t write(int fd, const void* const __pass_object_size buf, size_t count)
+ssize_t write(int fd, const void* const __pass_object_size0 buf, size_t count)
         __overloadable {
     size_t bos = __bos0(buf);
 
diff --git a/tests/fortify_compilation_test.cpp b/tests/fortify_compilation_test.cpp
index 1b02d4e..ea8e598 100644
--- a/tests/fortify_compilation_test.cpp
+++ b/tests/fortify_compilation_test.cpp
@@ -184,7 +184,7 @@
 
   // NOLINTNEXTLINE(whitespace/line_length)
   // GCC: error: call to '__recvfrom_error' declared with attribute error: recvfrom called with size bigger than buffer
-  // CLANG: error: call to unavailable function 'recvfrom': size is larger than the destination buffer
+  // CLANG: error: call to unavailable function 'recvfrom': recvfrom called with size bigger than buffer
   recvfrom(0, buf, 6, 0, reinterpret_cast<sockaddr*>(&addr), NULL);
 }