Messages in this thread Patch in this message | | | Subject | [PATCH 18/46] kbuild: fix segfault in modpost | Date | Tue, 21 Mar 2006 17:20:55 +0100 | From | Sam Ravnborg <> |
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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>
---
scripts/mod/modpost.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
8ea80ca4f583e377c902811d42626ccfce16913f diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index a7360c3..eeaf574 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -576,11 +576,11 @@ static void check_sec_ref(struct module 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); } -- 1.0.GIT
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