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libdl: Fix possible 16-bit overflow (Coverity 1255339) refs #2192.

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On a 16-bit target the section value could result in a sign-extension
overflow.
This commit is contained in:
Chris Johns
2014-11-20 10:18:16 +11:00
parent 4f1bbbfcdf
commit fc523ac869
1 changed files with 1 additions and 1 deletions
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cpukit/libdl/rtl-elf.c
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@@ -639,7 +639,7 @@ rtems_rtl_elf_parse_sections (rtems_rtl_obj_t* obj, int fd, Elf_Ehdr* ehdr)
{
uint32_t flags;
off = obj->ooffset + ehdr->e_shoff + (section * ehdr->e_shentsize);
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)))
return false;