fix(core) replace intptr_t with uintptr_t. Close #720

This fixes pointer casts on 32-bit architectures. Previously, addresses that happened to be greater than 2GB on x86/arm32 would overflow when cast to intptr_t and, via the cast to jlong, propagate as negative values to Java code.
LWJGL · Feb 7, 2022 · 0db2149 · 0db2149
1 parent b01996b
commit 0db2149
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diff --git a/doc/notes/3.3.1.md b/doc/notes/3.3.1.md
@@ -26,6 +26,7 @@ This build includes the following changes:
 #### Fixes
 
 - Core: Fixed extra `NUL` in string returned from `SharedLibrary::getPath()` on Linux & macOS. (#713)
+- Core: Fixed integer overflow when casting pointers on 32-bit architectures. (#720)
 - Core: Fixed rare `NPE` with `Configuration.DEBUG_STACK` enabled. (#721) 
 - vma: Fixed nullability of `VmaVirtualAllocationCreateInfo::pUserData` member.
 - Vulkan: All `noautovalidity` parameters/members are now regarded as nullable. (#702)

diff --git a/modules/generator/src/main/kotlin/org/lwjgl/generator/Functions.kt b/modules/generator/src/main/kotlin/org/lwjgl/generator/Functions.kt
@@ -1940,7 +1940,7 @@ class Func(
 
         if (nativeClass.binding != null) {
             if (hasFunctionAddressParam) {
-                println("$t${nativeName}PROC $nativeName = (${nativeName}PROC)(intptr_t)$FUNCTION_ADDRESS;")
+                println("$t${nativeName}PROC $nativeName = (${nativeName}PROC)(uintptr_t)$FUNCTION_ADDRESS;")
             } else
                 println("$t${nativeName}PROC $nativeName = (${nativeName}PROC)tlsGetFunction(${nativeClass.binding.getFunctionOrdinal(this@Func)});")
         }
@@ -1972,7 +1972,7 @@ class Func(
                         } else {
                             "($variableType)"
                         }
-                        }${if (variableType != "intptr_t") "(intptr_t)" else ""}${it.name}$POINTER_POSTFIX;"
+                        }${if (variableType != "uintptr_t") "(uintptr_t)" else ""}${it.name}$POINTER_POSTFIX;"
                     )
                 }
         }
@@ -2016,7 +2016,7 @@ class Func(
                     nativeCall = "$t$callPrefix${JNI_NAME(hasArrays = true, critical = true, ignoreArrayType = true)}(${getNativeParams()
                         .map {
                             if (it.nativeType is ArrayType<*>)
-                                "(intptr_t)${it.name}"
+                                "(uintptr_t)${it.name}"
                             else
                                 "${it.name}${if (it.nativeType is PointerType<*> || it.nativeType is StructType) POINTER_POSTFIX else ""}"
                         }
@@ -2047,15 +2047,15 @@ class Func(
                         print(if (it != null)
                             "*$it = "
                         else
-                            "*((${returns.nativeType.name}*)(intptr_t)$RESULT) = "
+                            "*((${returns.nativeType.name}*)(uintptr_t)$RESULT) = "
                         )
                     }
                 } else if (!returns.isVoid) {
                     print(if (code.nativeAfterCall != null) "$RESULT = " else "return ")
                     if (returns.jniFunctionType != returns.nativeType.name)
                         print("(${returns.jniFunctionType})")
                     if (returns.nativeType is PointerType<*> && nativeClass.binding == null)
-                        print("(intptr_t)")
+                        print("(uintptr_t)")
                     if (has<Address>())
                         print('&')
                 }

diff --git a/modules/generator/src/main/kotlin/org/lwjgl/generator/JNI.kt b/modules/generator/src/main/kotlin/org/lwjgl/generator/JNI.kt
@@ -97,7 +97,7 @@ object JNI : GeneratorTargetNative(Module.CORE, "JNI") {
 
     private val NativeType.nativeType
         get() = if (this.isPointer)
-            "intptr_t"
+            "uintptr_t"
         else if (this.mapping == PrimitiveMapping.CLONG)
             "long"
         else
@@ -134,10 +134,10 @@ object JNI : GeneratorTargetNative(Module.CORE, "JNI") {
             print("((${it.returnType.nativeType} (${if (it.callingConvention === CallingConvention.STDCALL) "APIENTRY " else ""}*) ")
             print(it.arguments.asSequence()
                 .joinToString(", ", prefix = "(", postfix = ")") { arg -> arg.nativeType })
-            print(")(intptr_t)$FUNCTION_ADDRESS)(")
+            print(")(uintptr_t)$FUNCTION_ADDRESS)(")
             print(it.arguments.asSequence()
                 .mapIndexed { i, param -> if (param.isPointer)
-                    "(intptr_t)param$i"
+                    "(uintptr_t)param$i"
                 else if (param.mapping === PrimitiveMapping.CLONG)
                     "(long)param$i"
                 else
@@ -170,12 +170,12 @@ object JNI : GeneratorTargetNative(Module.CORE, "JNI") {
             print("((${it.returnType.nativeType} (${if (it.callingConvention === CallingConvention.STDCALL) "APIENTRY " else ""}*) ")
             print(it.arguments.asSequence()
                 .joinToString(", ", prefix = "(", postfix = ")") { arg -> arg.nativeType })
-            print(")(intptr_t)$FUNCTION_ADDRESS)(")
+            print(")(uintptr_t)$FUNCTION_ADDRESS)(")
             print(it.arguments.asSequence()
                 .mapIndexed { i, param -> if (param is ArrayType<*>)
-                    "(intptr_t)paramArray$i"
+                    "(uintptr_t)paramArray$i"
                 else if (param.isPointer)
-                    "(intptr_t)param$i"
+                    "(uintptr_t)param$i"
                 else if (param.mapping === PrimitiveMapping.CLONG)
                     "(long)param$i"
                 else

diff --git a/modules/generator/src/main/kotlin/org/lwjgl/generator/Parameters.kt b/modules/generator/src/main/kotlin/org/lwjgl/generator/Parameters.kt
@@ -43,7 +43,7 @@ class ReturnValue private constructor(override val nativeType: NativeType) : Qua
             nativeType.name
         } else {
             if (nativeType.mapping === PrimitiveMapping.POINTER || nativeType is PointerType<*>)
-                "intptr_t"
+                "uintptr_t"
             else
                 nativeType.jniFunctionType
         }
@@ -109,7 +109,7 @@ class Parameter(
                 if (pointerMode && nativeType is StructType) "$it *" else it
             }
         else if (nativeType.mapping === PrimitiveMapping.POINTER || nativeType is PointerType<*>)
-            "intptr_t"
+            "uintptr_t"
         else
             nativeType.jniFunctionType
 

diff --git a/modules/generator/src/main/kotlin/org/lwjgl/generator/Structs.kt b/modules/generator/src/main/kotlin/org/lwjgl/generator/Structs.kt
@@ -2314,7 +2314,7 @@ ${validations.joinToString("\n")}
 EXTERN_C_ENTER
 
 JNIEXPORT jint JNICALL Java_${nativeFileNameJNI}_offsets(JNIEnv *$JNIENV, jclass clazz, jlong bufferAddress) {
-    jint *buffer = (jint *)(intptr_t)bufferAddress;
+    jint *buffer = (jint *)(uintptr_t)bufferAddress;
 
     UNUSED_PARAMS($JNIENV, clazz)
 """)
@@ -2385,7 +2385,7 @@ EXTERN_C_EXIT""")
 
 JNIEXPORT ${it.nativeType.jniFunctionType} JNICALL Java_$signature(JNIEnv *$JNIENV, jclass clazz, jlong bufferAddress) {
     UNUSED_PARAMS($JNIENV, clazz)
-    $nativeName *buffer = ($nativeName *)(intptr_t)bufferAddress;
+    $nativeName *buffer = ($nativeName *)(uintptr_t)bufferAddress;
     return (${it.nativeType.jniFunctionType})buffer->$prefix${it.name};
 }""")
             }
@@ -2407,7 +2407,7 @@ JNIEXPORT ${it.nativeType.jniFunctionType} JNICALL Java_$signature(JNIEnv *$JNIE
 
 JNIEXPORT void JNICALL Java_$signature(JNIEnv *$JNIENV, jclass clazz, jlong bufferAddress, ${it.nativeType.jniFunctionType} value) {
     UNUSED_PARAMS($JNIENV, clazz)
-    $nativeName *buffer = ($nativeName *)(intptr_t)bufferAddress;
+    $nativeName *buffer = ($nativeName *)(uintptr_t)bufferAddress;
     buffer->$prefix${it.name} = (${it.nativeType.name})value;
 }""")
             }

diff --git a/modules/lwjgl/core/src/generated/c/linux/org_lwjgl_system_linux_DynamicLinkLoader.c b/modules/lwjgl/core/src/generated/c/linux/org_lwjgl_system_linux_DynamicLinkLoader.c
@@ -9,25 +9,25 @@
 EXTERN_C_ENTER
 
 JNIEXPORT jlong JNICALL Java_org_lwjgl_system_linux_DynamicLinkLoader_ndlopen(JNIEnv *__env, jclass clazz, jlong filenameAddress, jint mode) {
-    char const *filename = (char const *)(intptr_t)filenameAddress;
+    char const *filename = (char const *)(uintptr_t)filenameAddress;
     UNUSED_PARAMS(__env, clazz)
-    return (jlong)(intptr_t)dlopen(filename, mode);
+    return (jlong)(uintptr_t)dlopen(filename, mode);
 }
 
 JNIEXPORT jlong JNICALL Java_org_lwjgl_system_linux_DynamicLinkLoader_ndlerror(JNIEnv *__env, jclass clazz) {
     UNUSED_PARAMS(__env, clazz)
-    return (jlong)(intptr_t)dlerror();
+    return (jlong)(uintptr_t)dlerror();
 }
 
 JNIEXPORT jlong JNICALL Java_org_lwjgl_system_linux_DynamicLinkLoader_ndlsym(JNIEnv *__env, jclass clazz, jlong handleAddress, jlong nameAddress) {
-    void *handle = (void *)(intptr_t)handleAddress;
-    char const *name = (char const *)(intptr_t)nameAddress;
+    void *handle = (void *)(uintptr_t)handleAddress;
+    char const *name = (char const *)(uintptr_t)nameAddress;
     UNUSED_PARAMS(__env, clazz)
-    return (jlong)(intptr_t)dlsym(handle, name);
+    return (jlong)(uintptr_t)dlsym(handle, name);
 }
 
 JNIEXPORT jint JNICALL Java_org_lwjgl_system_linux_DynamicLinkLoader_ndlclose(JNIEnv *__env, jclass clazz, jlong handleAddress) {
-    void *handle = (void *)(intptr_t)handleAddress;
+    void *handle = (void *)(uintptr_t)handleAddress;
     UNUSED_PARAMS(__env, clazz)
     return (jint)dlclose(handle);
 }

diff --git a/modules/lwjgl/core/src/generated/c/linux/org_lwjgl_system_linux_FCNTL.c b/modules/lwjgl/core/src/generated/c/linux/org_lwjgl_system_linux_FCNTL.c
@@ -10,7 +10,7 @@
 EXTERN_C_ENTER
 
 JNIEXPORT jint JNICALL Java_org_lwjgl_system_linux_FCNTL_nopen(JNIEnv *__env, jclass clazz, jlong pathnameAddress, jint flags, jint mode) {
-    char const *pathname = (char const *)(intptr_t)pathnameAddress;
+    char const *pathname = (char const *)(uintptr_t)pathnameAddress;
     jint __result;
     UNUSED_PARAMS(__env, clazz)
     __result = (jint)open(pathname, flags, (mode_t)mode);
@@ -19,7 +19,7 @@ JNIEXPORT jint JNICALL Java_org_lwjgl_system_linux_FCNTL_nopen(JNIEnv *__env, jc
 }
 
 JNIEXPORT jint JNICALL Java_org_lwjgl_system_linux_FCNTL_nopenat(JNIEnv *__env, jclass clazz, jint dirfd, jlong pathnameAddress, jint flags, jint mode) {
-    char const *pathname = (char const *)(intptr_t)pathnameAddress;
+    char const *pathname = (char const *)(uintptr_t)pathnameAddress;
     jint __result;
     UNUSED_PARAMS(__env, clazz)
     __result = (jint)openat(dirfd, pathname, flags, (mode_t)mode);
@@ -28,7 +28,7 @@ JNIEXPORT jint JNICALL Java_org_lwjgl_system_linux_FCNTL_nopenat(JNIEnv *__env,
 }
 
 JNIEXPORT jint JNICALL Java_org_lwjgl_system_linux_FCNTL_ncreat(JNIEnv *__env, jclass clazz, jlong pathnameAddress, jint mode) {
-    char const *pathname = (char const *)(intptr_t)pathnameAddress;
+    char const *pathname = (char const *)(uintptr_t)pathnameAddress;
     jint __result;
     UNUSED_PARAMS(__env, clazz)
     __result = (jint)creat(pathname, (mode_t)mode);
@@ -53,7 +53,7 @@ JNIEXPORT jint JNICALL Java_org_lwjgl_system_linux_FCNTL_nfcntli(JNIEnv *__env,
 }
 
 JNIEXPORT jint JNICALL Java_org_lwjgl_system_linux_FCNTL_nfcntlp(JNIEnv *__env, jclass clazz, jint fd, jint cmd, jlong argAddress) {
-    void *arg = (void *)(intptr_t)argAddress;
+    void *arg = (void *)(uintptr_t)argAddress;
     jint __result;
     UNUSED_PARAMS(__env, clazz)
     __result = (jint)fcntl(fd, cmd, arg);

diff --git a/modules/lwjgl/core/src/generated/c/linux/org_lwjgl_system_linux_MMAN.c b/modules/lwjgl/core/src/generated/c/linux/org_lwjgl_system_linux_MMAN.c
@@ -10,16 +10,16 @@
 EXTERN_C_ENTER
 
 JNIEXPORT jlong JNICALL Java_org_lwjgl_system_linux_MMAN_mmap(JNIEnv *__env, jclass clazz, jlong addrAddress, jlong length, jint prot, jint flags, jint fd, jlong offset) {
-    void *addr = (void *)(intptr_t)addrAddress;
+    void *addr = (void *)(uintptr_t)addrAddress;
     jlong __result;
     UNUSED_PARAMS(__env, clazz)
-    __result = (jlong)(intptr_t)mmap(addr, (size_t)length, prot, flags, fd, (off_t)offset);
+    __result = (jlong)(uintptr_t)mmap(addr, (size_t)length, prot, flags, fd, (off_t)offset);
     saveErrno();
     return __result;
 }
 
 JNIEXPORT jint JNICALL Java_org_lwjgl_system_linux_MMAN_nmunmap(JNIEnv *__env, jclass clazz, jlong addrAddress, jlong length) {
-    void *addr = (void *)(intptr_t)addrAddress;
+    void *addr = (void *)(uintptr_t)addrAddress;
     jint __result;
     UNUSED_PARAMS(__env, clazz)
     __result = (jint)munmap(addr, (size_t)length);

diff --git a/modules/lwjgl/core/src/generated/c/linux/org_lwjgl_system_linux_Stat.c b/modules/lwjgl/core/src/generated/c/linux/org_lwjgl_system_linux_Stat.c
@@ -10,8 +10,8 @@
 EXTERN_C_ENTER
 
 JNIEXPORT jint JNICALL Java_org_lwjgl_system_linux_Stat_nstat(JNIEnv *__env, jclass clazz, jlong __fileAddress, jlong __bufAddress) {
-    char const *__file = (char const *)(intptr_t)__fileAddress;
-    struct stat *__buf = (struct stat *)(intptr_t)__bufAddress;
+    char const *__file = (char const *)(uintptr_t)__fileAddress;
+    struct stat *__buf = (struct stat *)(uintptr_t)__bufAddress;
     jint __result;
     UNUSED_PARAMS(__env, clazz)
     __result = (jint)stat(__file, __buf);
@@ -20,7 +20,7 @@ JNIEXPORT jint JNICALL Java_org_lwjgl_system_linux_Stat_nstat(JNIEnv *__env, jcl
 }
 
 JNIEXPORT jint JNICALL Java_org_lwjgl_system_linux_Stat_nfstat(JNIEnv *__env, jclass clazz, jint __fd, jlong __bufAddress) {
-    struct stat *__buf = (struct stat *)(intptr_t)__bufAddress;
+    struct stat *__buf = (struct stat *)(uintptr_t)__bufAddress;
     jint __result;
     UNUSED_PARAMS(__env, clazz)
     __result = (jint)fstat(__fd, __buf);

diff --git a/modules/lwjgl/core/src/generated/c/linux/org_lwjgl_system_linux_UIO.c b/modules/lwjgl/core/src/generated/c/linux/org_lwjgl_system_linux_UIO.c
@@ -10,7 +10,7 @@
 EXTERN_C_ENTER
 
 JNIEXPORT jlong JNICALL Java_org_lwjgl_system_linux_UIO_nreadv(JNIEnv *__env, jclass clazz, jint __fd, jlong __iovecAddress, jint __count) {
-    struct iovec const *__iovec = (struct iovec const *)(intptr_t)__iovecAddress;
+    struct iovec const *__iovec = (struct iovec const *)(uintptr_t)__iovecAddress;
     jlong __result;
     UNUSED_PARAMS(__env, clazz)
     __result = (jlong)readv(__fd, __iovec, __count);
@@ -19,7 +19,7 @@ JNIEXPORT jlong JNICALL Java_org_lwjgl_system_linux_UIO_nreadv(JNIEnv *__env, jc
 }
 
 JNIEXPORT jlong JNICALL Java_org_lwjgl_system_linux_UIO_nwritev(JNIEnv *__env, jclass clazz, jint __fd, jlong __iovecAddress, jint __count) {
-    struct iovec const *__iovec = (struct iovec const *)(intptr_t)__iovecAddress;
+    struct iovec const *__iovec = (struct iovec const *)(uintptr_t)__iovecAddress;
     jlong __result;
     UNUSED_PARAMS(__env, clazz)
     __result = (jlong)writev(__fd, __iovec, __count);
@@ -28,7 +28,7 @@ JNIEXPORT jlong JNICALL Java_org_lwjgl_system_linux_UIO_nwritev(JNIEnv *__env, j
 }
 
 JNIEXPORT jlong JNICALL Java_org_lwjgl_system_linux_UIO_npreadv(JNIEnv *__env, jclass clazz, jint __fd, jlong __iovecAddress, jint __count, jlong __offset) {
-    struct iovec const *__iovec = (struct iovec const *)(intptr_t)__iovecAddress;
+    struct iovec const *__iovec = (struct iovec const *)(uintptr_t)__iovecAddress;
     jlong __result;
     UNUSED_PARAMS(__env, clazz)
     __result = (jlong)preadv(__fd, __iovec, __count, (off_t)__offset);
@@ -37,7 +37,7 @@ JNIEXPORT jlong JNICALL Java_org_lwjgl_system_linux_UIO_npreadv(JNIEnv *__env, j
 }
 
 JNIEXPORT jlong JNICALL Java_org_lwjgl_system_linux_UIO_npwritev(JNIEnv *__env, jclass clazz, jint __fd, jlong __iovecAddress, jint __count, jlong __offset) {
-    struct iovec const *__iovec = (struct iovec const *)(intptr_t)__iovecAddress;
+    struct iovec const *__iovec = (struct iovec const *)(uintptr_t)__iovecAddress;
     jlong __result;
     UNUSED_PARAMS(__env, clazz)
     __result = (jlong)pwritev(__fd, __iovec, __count, (off_t)__offset);
@@ -46,7 +46,7 @@ JNIEXPORT jlong JNICALL Java_org_lwjgl_system_linux_UIO_npwritev(JNIEnv *__env,
 }
 
 JNIEXPORT jlong JNICALL Java_org_lwjgl_system_linux_UIO_npreadv2(JNIEnv *__env, jclass clazz, jint __fd, jlong __iovecAddress, jint __count, jlong __offset, jint __flags) {
-    struct iovec const *__iovec = (struct iovec const *)(intptr_t)__iovecAddress;
+    struct iovec const *__iovec = (struct iovec const *)(uintptr_t)__iovecAddress;
     jlong __result;
     UNUSED_PARAMS(__env, clazz)
     __result = (jlong)preadv2(__fd, __iovec, __count, (off_t)__offset, __flags);
@@ -55,7 +55,7 @@ JNIEXPORT jlong JNICALL Java_org_lwjgl_system_linux_UIO_npreadv2(JNIEnv *__env,
 }
 
 JNIEXPORT jlong JNICALL Java_org_lwjgl_system_linux_UIO_npwritev2(JNIEnv *__env, jclass clazz, jint __fd, jlong __iovecAddress, jint __count, jlong __offset, jint __flags) {
-    struct iovec const *__iovec = (struct iovec const *)(intptr_t)__iovecAddress;
+    struct iovec const *__iovec = (struct iovec const *)(uintptr_t)__iovecAddress;
     jlong __result;
     UNUSED_PARAMS(__env, clazz)
     __result = (jlong)pwritev2(__fd, __iovec, __count, (off_t)__offset, __flags);
@@ -64,8 +64,8 @@ JNIEXPORT jlong JNICALL Java_org_lwjgl_system_linux_UIO_npwritev2(JNIEnv *__env,
 }
 
 JNIEXPORT jlong JNICALL Java_org_lwjgl_system_linux_UIO_nprocess_1vm_1readv(JNIEnv *__env, jclass clazz, jint __pid, jlong __lvecAddress, jlong __liovcnt, jlong __rvecAddress, jlong __riovcnt, jlong __flags) {
-    struct iovec const *__lvec = (struct iovec const *)(intptr_t)__lvecAddress;
-    struct iovec const *__rvec = (struct iovec const *)(intptr_t)__rvecAddress;
+    struct iovec const *__lvec = (struct iovec const *)(uintptr_t)__lvecAddress;
+    struct iovec const *__rvec = (struct iovec const *)(uintptr_t)__rvecAddress;
     jlong __result;
     UNUSED_PARAMS(__env, clazz)
     __result = (jlong)process_vm_readv((pid_t)__pid, __lvec, (unsigned long int)__liovcnt, __rvec, (unsigned long int)__riovcnt, (unsigned long int)__flags);
@@ -74,8 +74,8 @@ JNIEXPORT jlong JNICALL Java_org_lwjgl_system_linux_UIO_nprocess_1vm_1readv(JNIE
 }
 
 JNIEXPORT jlong JNICALL Java_org_lwjgl_system_linux_UIO_nprocess_1vm_1writev(JNIEnv *__env, jclass clazz, jint __pid, jlong __lvecAddress, jlong __liovcnt, jlong __rvecAddress, jlong __riovcnt, jlong __flags) {
-    struct iovec const *__lvec = (struct iovec const *)(intptr_t)__lvecAddress;
-    struct iovec const *__rvec = (struct iovec const *)(intptr_t)__rvecAddress;
+    struct iovec const *__lvec = (struct iovec const *)(uintptr_t)__lvecAddress;
+    struct iovec const *__rvec = (struct iovec const *)(uintptr_t)__rvecAddress;
     jlong __result;
     UNUSED_PARAMS(__env, clazz)
     __result = (jlong)process_vm_writev((pid_t)__pid, __lvec, (unsigned long int)__liovcnt, __rvec, (unsigned long int)__riovcnt, (unsigned long int)__flags);

diff --git a/modules/lwjgl/core/src/generated/c/linux/org_lwjgl_system_linux_UNISTD.c b/modules/lwjgl/core/src/generated/c/linux/org_lwjgl_system_linux_UNISTD.c
@@ -26,7 +26,7 @@ JNIEXPORT jlong JNICALL Java_org_lwjgl_system_linux_UNISTD_sysconf(JNIEnv *__env
 }
 
 JNIEXPORT jlong JNICALL Java_org_lwjgl_system_linux_UNISTD_nread(JNIEnv *__env, jclass clazz, jint fd, jlong bufAddress, jlong count) {
-    void *buf = (void *)(intptr_t)bufAddress;
+    void *buf = (void *)(uintptr_t)bufAddress;
     jlong __result;
     UNUSED_PARAMS(__env, clazz)
     __result = (jlong)read(fd, buf, (size_t)count);

diff --git a/modules/lwjgl/core/src/generated/c/linux/org_lwjgl_system_linux_liburing_LibIOURing.c b/modules/lwjgl/core/src/generated/c/linux/org_lwjgl_system_linux_liburing_LibIOURing.c
@@ -10,7 +10,7 @@
 EXTERN_C_ENTER
 
 JNIEXPORT jint JNICALL Java_org_lwjgl_system_linux_liburing_LibIOURing_nio_1uring_1setup(JNIEnv *__env, jclass clazz, jint entries, jlong pAddress) {
-    struct io_uring_params *p = (struct io_uring_params *)(intptr_t)pAddress;
+    struct io_uring_params *p = (struct io_uring_params *)(uintptr_t)pAddress;
     jint __result;
     UNUSED_PARAMS(__env, clazz)
     __result = (jint)__sys_io_uring_setup((unsigned)entries, p);
@@ -19,7 +19,7 @@ JNIEXPORT jint JNICALL Java_org_lwjgl_system_linux_liburing_LibIOURing_nio_1urin
 }
 
 JNIEXPORT jint JNICALL Java_org_lwjgl_system_linux_liburing_LibIOURing_nio_1uring_1register(JNIEnv *__env, jclass clazz, jint fd, jint opcode, jlong argAddress, jint nr_args) {
-    void *arg = (void *)(intptr_t)argAddress;
+    void *arg = (void *)(uintptr_t)argAddress;
     jint __result;
     UNUSED_PARAMS(__env, clazz)
     __result = (jint)__sys_io_uring_register(fd, (unsigned)opcode, arg, (unsigned)nr_args);
@@ -28,7 +28,7 @@ JNIEXPORT jint JNICALL Java_org_lwjgl_system_linux_liburing_LibIOURing_nio_1urin
 }
 
 JNIEXPORT jint JNICALL Java_org_lwjgl_system_linux_liburing_LibIOURing_nio_1uring_1enter2(JNIEnv *__env, jclass clazz, jint fd, jint to_submit, jint min_complete, jint flags, jlong sigAddress, jint sz) {
-    sigset_t *sig = (sigset_t *)(intptr_t)sigAddress;
+    sigset_t *sig = (sigset_t *)(uintptr_t)sigAddress;
     jint __result;
     UNUSED_PARAMS(__env, clazz)
     __result = (jint)__sys_io_uring_enter2(fd, (unsigned)to_submit, (unsigned)min_complete, (unsigned)flags, sig, sz);
@@ -37,7 +37,7 @@ JNIEXPORT jint JNICALL Java_org_lwjgl_system_linux_liburing_LibIOURing_nio_1urin
 }
 
 JNIEXPORT jint JNICALL Java_org_lwjgl_system_linux_liburing_LibIOURing_nio_1uring_1enter(JNIEnv *__env, jclass clazz, jint fd, jint to_submit, jint min_complete, jint flags, jlong sigAddress) {
-    sigset_t *sig = (sigset_t *)(intptr_t)sigAddress;
+    sigset_t *sig = (sigset_t *)(uintptr_t)sigAddress;
     jint __result;
     UNUSED_PARAMS(__env, clazz)
     __result = (jint)__sys_io_uring_enter(fd, (unsigned)to_submit, (unsigned)min_complete, (unsigned)flags, sig);