diff --git a/compiler-rt/cmake/config-ix.cmake b/compiler-rt/cmake/config-ix.cmake
--- a/compiler-rt/cmake/config-ix.cmake
+++ b/compiler-rt/cmake/config-ix.cmake
@@ -294,7 +294,7 @@
 
 set(ALL_SANITIZER_COMMON_SUPPORTED_ARCH ${X86} ${X86_64} ${PPC64} ${RISCV64}
     ${ARM32} ${ARM64} ${MIPS32} ${MIPS64} ${S390X} ${SPARC} ${SPARCV9})
-set(ALL_ASAN_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64}
+set(ALL_ASAN_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64} ${RISCV64}
     ${MIPS32} ${MIPS64} ${PPC64} ${S390X} ${SPARC} ${SPARCV9})
 set(ALL_CRT_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64} ${RISCV32} ${RISCV64})
 set(ALL_DFSAN_SUPPORTED_ARCH ${X86_64} ${MIPS64} ${ARM64})
diff --git a/compiler-rt/lib/asan/scripts/asan_symbolize.py b/compiler-rt/lib/asan/scripts/asan_symbolize.py
--- a/compiler-rt/lib/asan/scripts/asan_symbolize.py
+++ b/compiler-rt/lib/asan/scripts/asan_symbolize.py
@@ -49,7 +49,8 @@
 
 def is_valid_arch(s):
   return s in ["i386", "x86_64", "x86_64h", "arm", "armv6", "armv7", "armv7s",
-               "armv7k", "arm64", "powerpc64", "powerpc64le", "s390x", "s390"]
+               "armv7k", "arm64", "powerpc64", "powerpc64le", "s390x", "s390",
+               "riscv64"]
 
 def guess_arch(addr):
   # Guess which arch we're running. 10 = len('0x') + 8 hex digits.
diff --git a/compiler-rt/lib/sanitizer_common/tests/CMakeLists.txt b/compiler-rt/lib/sanitizer_common/tests/CMakeLists.txt
--- a/compiler-rt/lib/sanitizer_common/tests/CMakeLists.txt
+++ b/compiler-rt/lib/sanitizer_common/tests/CMakeLists.txt
@@ -3,7 +3,7 @@
 clang_compiler_add_cxx_check()
 
 # FIXME: use SANITIZER_COMMON_SUPPORTED_ARCH here
-filter_available_targets(SANITIZER_UNITTEST_SUPPORTED_ARCH x86_64 i386 mips64 mips64el)
+filter_available_targets(SANITIZER_UNITTEST_SUPPORTED_ARCH x86_64 i386 mips64 mips64el riscv64)
 if(APPLE)
   darwin_filter_host_archs(SANITIZER_UNITTEST_SUPPORTED_ARCH SANITIZER_UNITTEST_SUPPORTED_ARCH)
 endif()
diff --git a/compiler-rt/test/asan/CMakeLists.txt b/compiler-rt/test/asan/CMakeLists.txt
--- a/compiler-rt/test/asan/CMakeLists.txt
+++ b/compiler-rt/test/asan/CMakeLists.txt
@@ -14,7 +14,7 @@
 endif()
 
 macro(get_bits_for_arch arch bits)
-  if (${arch} MATCHES "x86_64|powerpc64|powerpc64le|aarch64|arm64|mips64|mips64el|s390x|sparcv9")
+  if (${arch} MATCHES "x86_64|powerpc64|powerpc64le|aarch64|arm64|mips64|mips64el|s390x|sparcv9|riscv64")
     set(${bits} 64)
   elseif (${arch} MATCHES "i386|arm|mips|mipsel|sparc")
     set(${bits} 32)
diff --git a/compiler-rt/test/asan/TestCases/Linux/ptrace.cpp b/compiler-rt/test/asan/TestCases/Linux/ptrace.cpp
--- a/compiler-rt/test/asan/TestCases/Linux/ptrace.cpp
+++ b/compiler-rt/test/asan/TestCases/Linux/ptrace.cpp
@@ -14,7 +14,7 @@
 #include <unistd.h>
 #include <sys/uio.h> // for iovec
 #include <elf.h> // for NT_PRSTATUS
-#ifdef __aarch64__
+#ifdef  __aarch64__
 # include <asm/ptrace.h>
 #endif
 
@@ -66,6 +66,14 @@
 #define PRINT_REG_PC(__regs)    printf ("%lx\n", (unsigned long) (__regs.psw.addr))
 #define PRINT_REG_FP(__fpregs)  printf ("%lx\n", (unsigned long) (__fpregs.fpc))
 #define ARCH_IOVEC_FOR_GETREGSET
+
+#elif defined(__riscv) && (__riscv_xlen == 64)
+# include <asm/ptrace.h>
+typedef user_regs_struct regs_struct;
+typedef __riscv_q_ext_state fpregs_struct;
+#define PRINT_REG_PC(__regs)    printf ("%lx\n", (unsigned long) (__regs.pc))
+#define PRINT_REG_FP(__fpregs)  printf ("%lx\n", (unsigned long) (__fpregs.fcsr))
+#define ARCH_IOVEC_FOR_GETREGSET
 #endif
 
 
diff --git a/compiler-rt/test/asan/TestCases/Linux/vfork.cpp b/compiler-rt/test/asan/TestCases/Linux/vfork.cpp
--- a/compiler-rt/test/asan/TestCases/Linux/vfork.cpp
+++ b/compiler-rt/test/asan/TestCases/Linux/vfork.cpp
@@ -1,7 +1,7 @@
 // https://github.com/google/sanitizers/issues/925
 // RUN: %clang_asan -O0 %s -o %t && %run %t 2>&1
 
-// REQUIRES: aarch64-target-arch || x86_64-target-arch || i386-target-arch || arm-target-arch
+// REQUIRES: aarch64-target-arch || x86_64-target-arch || i386-target-arch || arm-target-arch || riscv64-target-arch
 
 #include <assert.h>
 #include <sys/types.h>