uclibc: update to 1.0.37

trunk/libc/uClibc-1.0.3X/Rules.mak

@@ -128,7 +128,7 @@ export RUNTIME_PREFIX DEVEL_PREFIX KERNEL_HEADERS MULTILIB_DIR
 # Now config hard core
 MAJOR_VERSION := 1
 MINOR_VERSION := 0
-SUBLEVEL      := 36
+SUBLEVEL      := 37
 EXTRAVERSION  :=
 VERSION       := $(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL)
 ABI_VERSION   := $(MAJOR_VERSION)

trunk/libc/uClibc-1.0.3X/extra/Configs/Config.in

@@ -505,7 +505,7 @@ config UCLIBC_CTOR_DTOR
 
 config LDSO_GNU_HASH_SUPPORT
 	bool "Enable GNU hash style support"
-	depends on HAVE_SHARED
+	depends on HAVE_SHARED && !TARGET_mips
 	help
 	  Newest binutils support a new hash style named GNU-hash. The dynamic
 	  linker will use the new GNU-hash section (.gnu.hash) for symbol lookup

trunk/libc/uClibc-1.0.3X/libc/inet/resolv.c

@@ -1178,8 +1178,8 @@ int __dns_lookup(const char *name,
 		struct resolv_answer *a)
 {
 	/* Protected by __resolv_lock: */
-//	static int last_ns_num = 0;
+	static int last_ns_num = 0;
-//	static uint16_t last_id = 1;
+	static uint16_t last_id = 1;
 
 	int i, j, fd, rc;
 	int packet_len;
@@ -1258,12 +1258,12 @@ int __dns_lookup(const char *name,
 		}
 		/* first time? pick starting server etc */
 		if (local_ns_num < 0) {
-			local_id = 1;
+			local_id = last_id;
 /*TODO: implement /etc/resolv.conf's "options rotate"
  (a.k.a. RES_ROTATE bit in _res.options)
 			local_ns_num = 0;
 			if (_res.options & RES_ROTATE) */
-			local_ns_num = 0;
+				local_ns_num = last_ns_num;
 			retries_left = __nameservers * __resolv_attempts;
 		}
 		if (local_ns_num >= __nameservers)
@@ -1271,8 +1271,8 @@ int __dns_lookup(const char *name,
 		local_id++;
 		local_id &= 0xffff;
 		/* write new values back while still under lock */
-//		last_id = local_id;
+		last_id = local_id;
-//		last_ns_num = local_ns_num;
+		last_ns_num = local_ns_num;
 		/* struct copy */
 		/* can't just take a pointer, __nameserver[x]
 		 * is not safe to use outside of locks */

trunk/libc/uClibc-1.0.3X/libc/stdlib/malloc-simple/alloc.c

@@ -13,6 +13,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <stdint.h>
 #include <errno.h>
 #include <sys/mman.h>
 #include <malloc.h>
@@ -28,6 +29,15 @@ void *malloc(size_t size)
 		size++;
 	}
 
+	/* prevent Undefined Behaviour for pointer arithmetic (substract) of too big pointers
+	 * see: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63303
+	 * No need to check for size + sizeof(size_t) integer overflow since we already check for PTRDIFF_MAX
+	 */
+	if (unlikely(size > PTRDIFF_MAX)) {
+		__set_errno(ENOMEM);
+		return 0;
+	}
+
 #ifdef __ARCH_USE_MMU__
 # define MMAP_FLAGS MAP_PRIVATE | MAP_ANONYMOUS
 #else
@@ -148,6 +158,16 @@ void * memalign (size_t alignment, size_t size)
 	void * result;
 	unsigned long int adj;
 
+	if (unlikely(size > PTRDIFF_MAX)) {
+		__set_errno(ENOMEM);
+		return NULL;
+	}
+
+	if (unlikely((size + alignment - 1 < size) && (alignment != 0))) {
+		__set_errno(ENOMEM);
+		return NULL;
+	}
+
 	result = malloc (size + alignment - 1);
 	if (result == NULL)
 		return NULL;

trunk/libc/uClibc-1.0.3X/libcrypt/crypt.c

@@ -6,6 +6,7 @@
 
 #include <unistd.h>
 #include <crypt.h>
+#include <errno.h>
 #include "libcrypt.h"
 
 char *crypt(const char *key, const char *salt)
@@ -26,7 +27,7 @@ char *crypt(const char *key, const char *salt)
 				return __sha512_crypt(ukey, usalt);
 #endif
 		}
-		/* __set_errno(EINVAL);*/ /* ENOSYS might be misleading */
+		__set_errno(EINVAL);
 		return NULL;
 	}
 	return __des_crypt(ukey, usalt);