diff options
| author | Sam Ravnborg <sam@mars.ravnborg.org> | 2006-02-19 09:56:18 +0100 |
|---|---|---|
| committer | Sam Ravnborg <sam@mars.ravnborg.org> | 2006-02-19 09:56:18 +0100 |
| commit | 8ea80ca4f583e377c902811d42626ccfce16913f (patch) | |
| tree | 2208839aa866cebc990271fbaa86eabc432a8658 /scripts/mod/modpost.c | |
| parent | 41370d3b5ec6401c5cf0df82297ed989c03a64bd (diff) | |
| download | linux-3.10-8ea80ca4f583e377c902811d42626ccfce16913f.tar.gz linux-3.10-8ea80ca4f583e377c902811d42626ccfce16913f.tar.bz2 linux-3.10-8ea80ca4f583e377c902811d42626ccfce16913f.zip | |
kbuild: fix segfault in modpost
Do not try to look up section name until we know it is not a special
section. Otherwise we will address outside legal space and segfault.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'scripts/mod/modpost.c')
| -rw-r--r-- | scripts/mod/modpost.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index a7360c379cb..eeaf5747682 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -576,11 +576,11 @@ static void check_sec_ref(struct module *mod, const char *modname, r.r_offset = TO_NATIVE(rela->r_offset); r.r_info = TO_NATIVE(rela->r_info); sym = elf->symtab_start + ELF_R_SYM(r.r_info); - secname = secstrings + sechdrs[sym->st_shndx].sh_name; /* Skip special sections */ if (sym->st_shndx >= SHN_LORESERVE) continue; + secname = secstrings + sechdrs[sym->st_shndx].sh_name; if (section(secname)) warn_sec_mismatch(modname, name, elf, sym, r); } |