From 8ea80ca4f583e377c902811d42626ccfce16913f Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Sun, 19 Feb 2006 09:56:18 +0100 Subject: [PATCH] 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 --- scripts/mod/modpost.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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); } -- 2.20.1