Index: compiler-rt/lib/asan/asan_interceptors_vfork.S
===================================================================
--- compiler-rt/lib/asan/asan_interceptors_vfork.S
+++ compiler-rt/lib/asan/asan_interceptors_vfork.S
@@ -9,6 +9,7 @@
 #include "sanitizer_common/sanitizer_common_interceptors_vfork_loongarch64.inc.S"
 #include "sanitizer_common/sanitizer_common_interceptors_vfork_riscv64.inc.S"
 #include "sanitizer_common/sanitizer_common_interceptors_vfork_x86_64.inc.S"
+#include "sanitizer_common/sanitizer_common_interceptors_vfork_mips.inc.S"
 #endif
 
 NO_EXEC_STACK_DIRECTIVE
Index: compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors_vfork_mips.inc.S
===================================================================
--- /dev/null
+++ compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors_vfork_mips.inc.S
@@ -0,0 +1,82 @@
+#if defined(__mips) && defined(__linux__)
+
+#if defined(__mips64)
+# define ADDI daddiu
+# define ST sd
+# define LD ld
+# define LA dla
+#else
+# define ADDI addiu
+# define ST sw
+# define LD lw
+# define LA la
+#endif
+
+#include "sanitizer_common/sanitizer_asm.h"
+
+ASM_HIDDEN(COMMON_INTERCEPTOR_SPILL_AREA)
+
+.comm _ZN14__interception10real_vforkE,__SIZEOF_POINTER__,__SIZEOF_POINTER__
+.globl ASM_WRAPPER_NAME(vfork)
+ASM_TYPE_FUNCTION(ASM_WRAPPER_NAME(vfork))
+ASM_WRAPPER_NAME(vfork):
+        // Save ra in the off-stack spill area.
+        // allocate space on stack
+        ADDI	$sp, $sp, -16
+        // store ra value
+        ST	$ra, 8($sp)
+#if __mips_isa_rev >= 6
+        balc	COMMON_INTERCEPTOR_SPILL_AREA
+#else
+        LA	$t9, COMMON_INTERCEPTOR_SPILL_AREA
+	jalr	$t9
+#endif
+        // restore previous values from stack
+        LD	$ra, 8($sp)
+        // adjust stack
+        ADDI	$sp, $sp, 16
+        // store ra by v0
+        ST	$ra, 0($v0)
+
+        // Call real vfork. This may return twice. User code that runs between the first and the second return
+        // may clobber the stack frame of the interceptor; that's why it does not have a frame.
+        LA	$t9, _ZN14__interception10real_vforkE
+        LD	$t9, 0($t9)
+        jalr	$t9
+
+        // adjust stack
+        ADDI	$sp, $sp, -16
+        // store v0 by adjusted stack
+        sd	$v0, 8($sp)
+        // jump to exit label if v0 is 0 => child process
+        beqz	$v0, .L_exit
+
+        // v0 != 0 => parent process. Clear stack shadow.
+        ADDI	$a0, $sp, 16
+#if __mips_isa_rev >= 6
+        balc	COMMON_INTERCEPTOR_HANDLE_VFORK
+#else
+        LA	$t9, COMMON_INTERCEPTOR_HANDLE_VFORK
+	jalr	$t9
+#endif
+
+.L_exit:
+        // Restore ra
+#if __mips_isa_rev >= 6
+        balc	COMMON_INTERCEPTOR_SPILL_AREA
+#else
+        LA	$t9, COMMON_INTERCEPTOR_SPILL_AREA
+	jalr	$t9
+#endif
+
+        LD	$ra, 8($v0)
+        // the return value of vfork
+        LD	$v0, 8($sp)
+        ADDI	$sp, $sp, 16
+        jr	$ra
+ASM_SIZE(vfork)
+
+ASM_INTERCEPTOR_TRAMPOLINE(vfork)
+ASM_TRAMPOLINE_ALIAS(vfork, vfork)
+
+#endif