From 38c917d808fdb570ddb1215ccf8233a10484ba91 Mon Sep 17 00:00:00 2001 From: Alan Modra Date: Sat, 19 Nov 2022 08:33:20 +1030 Subject: [PATCH] PR29807, SIGSEGV when linking fuzzed PE object PR 29807 * cofflink.c (_bfd_coff_generic_relocate_section): Skip relocs against symbols with a NULL section. --- bfd/cofflink.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/bfd/cofflink.c b/bfd/cofflink.c index a5b936fd7c1..cd117a445c6 100644 --- a/bfd/cofflink.c +++ b/bfd/cofflink.c @@ -2961,8 +2961,10 @@ _bfd_coff_generic_relocate_section (bfd *output_bfd, sec = sections[symndx]; /* PR 19623: Relocations against symbols in - the absolute sections should ignored. */ - if (bfd_is_abs_section (sec)) + the absolute sections should ignored. + PR 29807: Also ignore relocs against file symbols or + other such nonsense in fuzzed objects. */ + if (sec == NULL || bfd_is_abs_section (sec)) continue; val = (sec->output_section->vma -- 2.30.2