diff options
-rw-r--r-- | lib/libelf/elf_update.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/lib/libelf/elf_update.c b/lib/libelf/elf_update.c index fc5f9a3..a429036 100644 --- a/lib/libelf/elf_update.c +++ b/lib/libelf/elf_update.c @@ -534,22 +534,24 @@ _libelf_write_scn(Elf *e, char *nf, Elf_Scn *s, off_t rc) int ec; size_t fsz, msz, nobjects; uint32_t sh_type; - uint64_t sh_off; + uint64_t sh_off, sh_size; int elftype; Elf_Data *d, dst; - if ((ec = e->e_class) == ELFCLASS32) + if ((ec = e->e_class) == ELFCLASS32) { sh_type = s->s_shdr.s_shdr32.sh_type; - else + sh_size = (uint64_t) s->s_shdr.s_shdr32.sh_size; + } else { sh_type = s->s_shdr.s_shdr64.sh_type; + sh_size = s->s_shdr.s_shdr64.sh_size; + } /* * Ignore sections that do not allocate space in the file. */ - if (sh_type == SHT_NOBITS || sh_type == SHT_NULL) + if (sh_type == SHT_NOBITS || sh_type == SHT_NULL || sh_size == 0) return (rc); - elftype = _libelf_xlate_shtype(sh_type); assert(elftype >= ELF_T_FIRST && elftype <= ELF_T_LAST); |