Index: contrib/elftoolchain/elfcopy/sections.c
===================================================================
--- contrib/elftoolchain/elfcopy/sections.c
+++ contrib/elftoolchain/elfcopy/sections.c
@@ -1398,7 +1398,19 @@
 void
 init_shstrtab(struct elfcopy *ecp)
 {
+	Elf_Scn *shstrtab;
+	GElf_Shdr shdr;
 	struct section *s;
+	size_t indx;
+
+	if (elf_getshstrndx(ecp->ein, &indx) == 0)
+		errx(EXIT_FAILURE, "elf_getshstrndx failed: %s",
+		    elf_errmsg(-1));
+	shstrtab = elf_getscn(ecp->ein, indx);
+	if (shstrtab == NULL)
+		errx(EXIT_FAILURE, "elf_getscn failed: %s", elf_errmsg(-1));
+	if (gelf_getshdr(shstrtab, &shdr) != &shdr)
+		errx(EXIT_FAILURE, "gelf_getshdr failed: %s", elf_errmsg(-1));
 
 	if ((ecp->shstrtab = calloc(1, sizeof(*ecp->shstrtab))) == NULL)
 		err(EXIT_FAILURE, "calloc failed");
@@ -1410,7 +1422,7 @@
 	s->loadable = 0;
 	s->type = SHT_STRTAB;
 	s->vma = 0;
-	s->strtab = elftc_string_table_create(0);
+	s->strtab = elftc_string_table_create(shdr.sh_size);
 
 	add_to_shstrtab(ecp, "");
 	add_to_shstrtab(ecp, ".symtab");