diff -urpN busybox-1.13.2/modutils/modutils-24.c busybox-1.13.2-modprobe/modutils/modutils-24.c
--- busybox-1.13.2/modutils/modutils-24.c	2008-11-29 07:48:56.000000000 +0100
+++ busybox-1.13.2-modprobe/modutils/modutils-24.c	2009-03-08 02:04:02.000000000 +0100
@@ -2150,7 +2150,7 @@ static struct obj_section *obj_create_al
 	sec->name = name;
 	sec->idx = newidx;
 	if (size)
-		sec->contents = xmalloc(size);
+		sec->contents = xzalloc(size);
 
 	obj_insert_section_load_order(f, sec);
 
@@ -2165,7 +2165,7 @@ static struct obj_section *obj_create_al
 	int newidx = f->header.e_shnum++;
 	struct obj_section *sec;
 
-	f->sections = xrealloc(f->sections, (newidx + 1) * sizeof(sec));
+	f->sections = xrealloc_vector(f->sections, 2, newidx);
 	f->sections[newidx] = sec = arch_new_section();
 
 	sec->header.sh_type = SHT_PROGBITS;
@@ -2175,7 +2175,7 @@ static struct obj_section *obj_create_al
 	sec->name = name;
 	sec->idx = newidx;
 	if (size)
-		sec->contents = xmalloc(size);
+		sec->contents = xzalloc(size);
 
 	sec->load_next = f->load_order;
 	f->load_order = sec;
@@ -2571,8 +2571,7 @@ static void new_get_kernel_symbols(void)
 	/* Collect the modules' symbols.  */
 
 	if (nmod) {
-		ext_modules = modules = xmalloc(nmod * sizeof(*modules));
-		memset(modules, 0, nmod * sizeof(*modules));
+		ext_modules = modules = xzalloc(nmod * sizeof(*modules));
 		for (i = 0, mn = module_names, m = modules;
 				i < nmod; ++i, ++m, mn += strlen(mn) + 1) {
 			struct new_module_info info;
@@ -2652,13 +2651,14 @@ static int new_is_kernel_checksummed(voi
 }
 
 
-static void  new_create_this_module(struct obj_file *f, const char *m_name)
+static void new_create_this_module(struct obj_file *f, const char *m_name)
 {
 	struct obj_section *sec;
 
 	sec = obj_create_alloced_section_first(f, ".this", tgt_sizeof_long,
 			sizeof(struct new_module));
-	memset(sec->contents, 0, sizeof(struct new_module));
+	/* done by obj_create_alloced_section_first: */
+	/*memset(sec->contents, 0, sizeof(struct new_module));*/
 
 	obj_add_symbol(f, SPFX "__this_module", -1,
 			ELF_ST_INFO(STB_LOCAL, STT_OBJECT), sec->idx, 0,
@@ -2965,9 +2965,9 @@ static void obj_allocate_commons(struct 
 		if (i == f->header.e_shnum) {
 			struct obj_section *sec;
 
+			f->header.e_shnum++;
 			f->sections = xrealloc_vector(f->sections, 2, i);
 			f->sections[i] = sec = arch_new_section();
-			f->header.e_shnum = i + 1;
 
 			sec->header.sh_type = SHT_PROGBITS;
 			sec->header.sh_flags = SHF_WRITE | SHF_ALLOC;
@@ -3006,12 +3006,9 @@ static void obj_allocate_commons(struct 
 	for (i = 0; i < f->header.e_shnum; ++i) {
 		struct obj_section *s = f->sections[i];
 		if (s->header.sh_type == SHT_NOBITS) {
+			s->contents = NULL;
 			if (s->header.sh_size != 0)
-				s->contents = memset(xmalloc(s->header.sh_size),
-						0, s->header.sh_size);
-			else
-				s->contents = NULL;
-
+				s->contents = xzalloc(s->header.sh_size);
 			s->header.sh_type = SHT_PROGBITS;
 		}
 	}
@@ -3275,14 +3272,13 @@ static struct obj_file *obj_load(FILE *f
 			case SHT_SYMTAB:
 			case SHT_STRTAB:
 			case SHT_RELM:
+				sec->contents = NULL;
 				if (sec->header.sh_size > 0) {
-					sec->contents = xmalloc(sec->header.sh_size);
+					sec->contents = xzalloc(sec->header.sh_size);
 					fseek(fp, sec->header.sh_offset, SEEK_SET);
 					if (fread(sec->contents, sec->header.sh_size, 1, fp) != 1) {
 						bb_perror_msg_and_die("error reading ELF section data");
 					}
-				} else {
-					sec->contents = NULL;
 				}
 				break;
 
diff -urpN busybox-1.13.2/modutils/modutils.c busybox-1.13.2-modprobe/modutils/modutils.c
--- busybox-1.13.2/modutils/modutils.c	2008-11-09 18:28:03.000000000 +0100
+++ busybox-1.13.2-modprobe/modutils/modutils.c	2009-03-08 02:04:15.000000000 +0100
@@ -71,7 +71,7 @@ char * FAST_FUNC filename2modname(const 
 	if (modname == NULL)
 		modname = xmalloc(MODULE_NAME_LEN);
 	from = bb_get_last_path_component_nostrip(filename);
-	for (i = 0; i < MODULE_NAME_LEN && from[i] != '\0' && from[i] != '.'; i++)
+	for (i = 0; i < (MODULE_NAME_LEN-1) && from[i] != '\0' && from[i] != '.'; i++)
 		modname[i] = (from[i] == '-') ? '_' : from[i];
 	modname[i] = 0;
 
diff -urpN busybox-1.13.2/modutils/modutils.h busybox-1.13.2-modprobe/modutils/modutils.h
--- busybox-1.13.2/modutils/modutils.h	2008-11-09 18:28:03.000000000 +0100
+++ busybox-1.13.2-modprobe/modutils/modutils.h	2009-03-08 02:04:15.000000000 +0100
@@ -16,8 +16,9 @@
 # pragma GCC visibility push(hidden)
 #endif
 
-/* As defined in linux/include/linux/module.h */
-#define MODULE_NAME_LEN 64
+/* linux/include/linux/module.h has 64, but this is also used
+ * internally for the maximum alias name length, which can be quite long */
+#define MODULE_NAME_LEN 256
 
 const char *moderror(int err) FAST_FUNC;
 llist_t *llist_find(llist_t *first, const char *str) FAST_FUNC;