libdl: Update comment with details about the error fix.

See refs #2192.
2014-11-20 13:52:12 +11:00
parent 2ae58c695f
commit 580466cc9c
1 changed files with 3 additions and 0 deletions
--- a/cpukit/libdl/rtl-elf.c
+++ b/cpukit/libdl/rtl-elf.c
@@ -639,6 +639,9 @@ rtems_rtl_elf_parse_sections (rtems_rtl_obj_t* obj, int fd, Elf_Ehdr* ehdr)
  {
    uint32_t flags;

+    /*
+     * Make sure section is at least 32bits to avoid 16-bit overflow errors.
+     */
    off = obj->ooffset + ehdr->e_shoff + (((uint32_t) section) * ehdr->e_shentsize);

    if (!rtems_rtl_obj_cache_read_byval (sects, fd, off, &shdr, sizeof (shdr)))