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| author | Chris Johns <chrisj@rtems.org> | 2014-11-20 10:18:16 +1100 |
|---|---|---|
| committer | Chris Johns <chrisj@rtems.org> | 2014-11-20 10:18:16 +1100 |
| commit | fc523ac86987570823e1dcfd18b9938c652aeae8 (patch) | |
| tree | c1aeff30057b76e6169f25cdb71e05b6bff4119b | |
| parent | libdl: Add a comment. (diff) | |
| download | rtems-fc523ac86987570823e1dcfd18b9938c652aeae8.tar.bz2 | |
libdl: Fix possible 16-bit overflow (Coverity 1255339) refs #2192.
On a 16-bit target the section value could result in a sign-extension
overflow.
| -rw-r--r-- | cpukit/libdl/rtl-elf.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/cpukit/libdl/rtl-elf.c b/cpukit/libdl/rtl-elf.c index 46f5613014..3a432aa2ea 100644 --- a/cpukit/libdl/rtl-elf.c +++ b/cpukit/libdl/rtl-elf.c @@ -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; |