diff options
| author | Konstantin Belousov <kib@FreeBSD.org> | 2012-03-12 10:36:03 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2012-03-12 10:36:03 +0000 |
| commit | 5eab36f290bedc8ef7b7f5ac0f4aa4dbc0ca4341 (patch) | |
| tree | c2f87f15534ed17b42568491051d8041f734c753 /libexec/rtld-elf | |
| parent | c8b31c8f20d23786fc1798d8840ae47e53feefc7 (diff) | |
Notes
Diffstat (limited to 'libexec/rtld-elf')
| -rw-r--r-- | libexec/rtld-elf/map_object.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libexec/rtld-elf/map_object.c b/libexec/rtld-elf/map_object.c index d2405750bb9f..f142819f261a 100644 --- a/libexec/rtld-elf/map_object.c +++ b/libexec/rtld-elf/map_object.c @@ -149,7 +149,10 @@ map_object(int fd, const char *path, const struct stat *sb) break; case PT_NOTE: - note_start = (Elf_Addr)obj->relocbase + phdr->p_offset; + if (phdr->p_offset > PAGE_SIZE || + phdr->p_offset + phdr->p_filesz > PAGE_SIZE) + break; + note_start = (Elf_Addr)(char *)hdr + phdr->p_offset; note_end = note_start + phdr->p_filesz; digest_notes(obj, note_start, note_end); break; |