diff --git a/src/stub/arm64-linux.shlib-init.h b/src/stub/arm64-linux.shlib-init.h
index c4ed688b..823002f8 100644
--- a/src/stub/arm64-linux.shlib-init.h
+++ b/src/stub/arm64-linux.shlib-init.h
@@ -32,8 +32,8 @@
 
 
 #define STUB_ARM64_LINUX_SHLIB_INIT_SIZE    8141
-#define STUB_ARM64_LINUX_SHLIB_INIT_ADLER32 0xfc171414
-#define STUB_ARM64_LINUX_SHLIB_INIT_CRC32   0xd93df3e9
+#define STUB_ARM64_LINUX_SHLIB_INIT_ADLER32 0x5c4c1394
+#define STUB_ARM64_LINUX_SHLIB_INIT_CRC32   0x6532986d
 
 unsigned char stub_arm64_linux_shlib_init[8141] = {
 /* 0x0000 */ 127, 69, 76, 70,  2,  1,  1,  0,  0,  0,  0,  0,  0,  0,  0,  0,
@@ -364,7 +364,7 @@ unsigned char stub_arm64_linux_shlib_init[8141] = {
 /* 0x1450 */   0, 84, 35, 68, 64,184,  3, 68,  0,184,165,  0,  0, 52, 34, 12,
 /* 0x1460 */ 193, 40,165,  4,  0, 81,  2, 12,129, 40,165,255,255, 53,192,  3,
 /* 0x1470 */  95,214,254, 15, 31,248,227,  3, 30,170, 42,  0,  0,148, 65,244,
-/* 0x1480 */ 126,211,  5,  0,128,210,  4,  0,128,146, 67,  4,128,210,226,  0,
+/* 0x1480 */ 126,211,  5,  0,128,210,  4,  0,128,146, 67,  4,128,210, 98,  0,
 /* 0x1490 */ 128,210,161,131, 30,248,  0,  0,128,210,200, 27,128, 82,  1,  0,
 /* 0x14a0 */   0,212, 31,  4, 64,177, 67,  0,  0, 84,  0,  0, 32,212,160,  3,
 /* 0x14b0 */  30,248,161,  3, 93,248,165,131, 92,184,227,255,255,151,161,  3,
diff --git a/src/stub/src/arm64-linux.shlib-init.S b/src/stub/src/arm64-linux.shlib-init.S
index 660ec49d..1466633e 100644
--- a/src/stub/src/arm64-linux.shlib-init.S
+++ b/src/stub/src/arm64-linux.shlib-init.S
@@ -321,7 +321,7 @@ o_super= -20*8  // HOLE
         mov arg6,#0
         mov arg5,#-1  // cater to *BSD for fd of MAP_ANON
         mov arg4,#MAP_PRIVATE|MAP_ANONYMOUS
-        mov arg3,#PROT_READ|PROT_WRITE|PROT_EXEC
+        mov arg3,#PROT_READ|PROT_WRITE  // some OS prohibit PROT_WRITE && PROT_EXEC
         str arg2,[fp,#p_unmap+1*8]  // length to unmap
         mov arg1,#0  // any addr
         do_sys __NR_mmap64; cmn x0,#4096; bcc 0f; brk #0; 0: