diff --git a/src/core/libraries/libc_internal/libc_internal.cpp b/src/core/libraries/libc_internal/libc_internal.cpp
index 7e78cf919..9f5df04f8 100644
--- a/src/core/libraries/libc_internal/libc_internal.cpp
+++ b/src/core/libraries/libc_internal/libc_internal.cpp
@@ -10172,17 +10172,14 @@ s32 PS4_SYSV_ABI internal_getwchar() {
     return ORBIS_OK;
 }
 
-tm* PS4_SYSV_ABI internal_gmtime(time_t* timer) {
-    LOG_DEBUG(Lib_LibcInternal, "called");
-    return std::gmtime(timer);
+s32 PS4_SYSV_ABI internal_gmtime(time_t* timer) {
+    LOG_ERROR(Lib_LibcInternal, "(STUBBED) called");
+    return ORBIS_OK;
 }
 
-tm* PS4_SYSV_ABI internal_gmtime_s(time_t* timer, u64 flags) {
-    LOG_DEBUG(Lib_LibcInternal, "called");
-    if (timer == nullptr || flags == 0) {
-        return 0;
-    }
-    return std::gmtime(timer);
+s32 PS4_SYSV_ABI internal_gmtime_s(time_t* timer, u64 flags) {
+    LOG_ERROR(Lib_LibcInternal, "(STUBBED) called");
+    return ORBIS_OK;
 }
 
 s32 PS4_SYSV_ABI internal_hypot() {
@@ -12478,8 +12475,6 @@ void RegisterlibSceLibcInternal(Core::Loader::SymbolsResolver* sym) {
                  internal__Frprep);
     LIB_FUNCTION("XwRd4IpNEss", "libSceLibcInternal", 1, "libSceLibcInternal", 1, 1,
                  internal__FRteps);
-    LIB_FUNCTION("ZtjspkJQ+vw", "libSceLibcInternal", 1, "libSceLibcInternal", 1, 1,
-                 internal__FSin);
     LIB_FUNCTION("fQ+SWrQUQBg", "libSceLibcInternal", 1, "libSceLibcInternal", 1, 1,
                  internal__FSincos);
     LIB_FUNCTION("O4L+0oCN9zA", "libSceLibcInternal", 1, "libSceLibcInternal", 1, 1,
@@ -12823,7 +12818,6 @@ void RegisterlibSceLibcInternal(Core::Loader::SymbolsResolver* sym) {
                  internal__Setgloballocale);
     LIB_FUNCTION("KDFy-aPxHVE", "libSceLibcInternal", 1, "libSceLibcInternal", 1, 1,
                  internal__Shared_ptr_flag);
-    LIB_FUNCTION("cCXjU72Z0Ow", "libSceLibcInternal", 1, "libSceLibcInternal", 1, 1, internal__Sin);
     LIB_FUNCTION("j9SGTLclro8", "libSceLibcInternal", 1, "libSceLibcInternal", 1, 1,
                  internal__Sincos);
     LIB_FUNCTION("MU25eqxSDTw", "libSceLibcInternal", 1, "libSceLibcInternal", 1, 1,
diff --git a/src/core/libraries/libc_internal/libc_internal_math.cpp b/src/core/libraries/libc_internal/libc_internal_math.cpp
index 363a3758f..781f1f729 100644
--- a/src/core/libraries/libc_internal/libc_internal_math.cpp
+++ b/src/core/libraries/libc_internal/libc_internal_math.cpp
@@ -566,6 +566,19 @@ s32 PS4_SYSV_ABI internal_tanl() {
     return ORBIS_OK;
 }
 
+float PS4_SYSV_ABI internal__Fsin(float arg, unsigned int m, int n) {
+    ASSERT(n == 0);
+    if (m != 0) {
+        return cosf(arg);
+    } else {
+        return sinf(arg);
+    }
+}
+
+double PS4_SYSV_ABI internal__Sin(double x) {
+    return sin(x);
+}
+
 void RegisterlibSceLibcInternalMath(Core::Loader::SymbolsResolver* sym) {
     LIB_FUNCTION("Ye20uNnlglA", "libSceLibcInternal", 1, "libSceLibcInternal", 1, 1, internal_abs);
     LIB_FUNCTION("JBcgYuW8lPU", "libSceLibcInternal", 1, "libSceLibcInternal", 1, 1, internal_acos);
@@ -752,6 +765,9 @@ void RegisterlibSceLibcInternalMath(Core::Loader::SymbolsResolver* sym) {
     LIB_FUNCTION("JCmHsYVc2eo", "libSceLibcInternal", 1, "libSceLibcInternal", 1, 1,
                  internal_tanhl);
     LIB_FUNCTION("QL+3q43NfEA", "libSceLibcInternal", 1, "libSceLibcInternal", 1, 1, internal_tanl);
+    LIB_FUNCTION("ZtjspkJQ+vw", "libSceLibcInternal", 1, "libSceLibcInternal", 1, 1,
+                 internal__FSin);
+    LIB_FUNCTION("cCXjU72Z0Ow", "libSceLibcInternal", 1, "libSceLibcInternal", 1, 1, internal__Sin);
 }
 
 } // namespace Libraries::LibcInternal
diff --git a/src/core/libraries/libc_internal/libc_internal_memory.cpp b/src/core/libraries/libc_internal/libc_internal_memory.cpp
index 9f3709cda..6666aa6bf 100644
--- a/src/core/libraries/libc_internal/libc_internal_memory.cpp
+++ b/src/core/libraries/libc_internal/libc_internal_memory.cpp
@@ -49,18 +49,14 @@ s32 PS4_SYSV_ABI internal__sceLibcGetMallocParam() {
     return ORBIS_OK;
 }
 
-void* PS4_SYSV_ABI internal_operator_new(size_t size) {
-    if (size == 0) {
-        // Size of 1 is used if 0 is provided.
-        size = 1;
-    }
-    void* ptr = std::malloc(size);
-    ASSERT_MSG(ptr, "Failed to allocate new object with size {}", size);
-    return ptr;
+s32 PS4_SYSV_ABI internal_operator_new(size_t size) {
+    LOG_ERROR(Lib_LibcInternal, "(STUBBED) called");
+    return ORBIS_OK;
 }
 
-void* PS4_SYSV_ABI internal_malloc(size_t size) {
-    return std::malloc(size);
+s32 PS4_SYSV_ABI internal_malloc(size_t size) {
+    LOG_ERROR(Lib_LibcInternal, "(STUBBED) called");
+    return ORBIS_OK;
 }
 
 s32 PS4_SYSV_ABI internal_malloc_check_memory_bounds() {
diff --git a/src/core/libraries/libc_internal/libc_internal_str.cpp b/src/core/libraries/libc_internal/libc_internal_str.cpp
index 6f828cf8e..92a131fa1 100644
--- a/src/core/libraries/libc_internal/libc_internal_str.cpp
+++ b/src/core/libraries/libc_internal/libc_internal_str.cpp
@@ -168,9 +168,12 @@ s32 PS4_SYSV_ABI internal_strcspn(const char* str1, const char* str2) {
     return std::strcspn(str1, str2);
 }
 
-s32 PS4_SYSV_ABI internal_strdup() {
-    LOG_ERROR(Lib_LibcInternal, "(STUBBED) called");
-    return ORBIS_OK;
+char* PS4_SYSV_ABI internal_strdup() {
+    LOG_DEBUG(Lib_LibcInternal, "called");
+    char* dup = (char*)std::malloc(std::strlen(str1) + 1);
+    if (dup != NULL)
+        strcpy(dup, str1);
+    return dup;
 }
 
 s32 PS4_SYSV_ABI internal_strerror() {