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| author | Alan Modra <amodra@gmail.com> | 2022-11-19 08:33:20 +1030 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2022-11-22 08:18:49 +1030 |
| commit | 38c917d808fdb570ddb1215ccf8233a10484ba91 (patch) | |
| tree | 38d20b2d880fb2f1226a786fc81e1f8fdb557f0b /bfd/cofflink.c | |
| parent | e9a20a419b66431766e59dec75265ccdc0bf1046 (diff) | |
| download | gdb-38c917d808fdb570ddb1215ccf8233a10484ba91.zip gdb-38c917d808fdb570ddb1215ccf8233a10484ba91.tar.gz gdb-38c917d808fdb570ddb1215ccf8233a10484ba91.tar.bz2 | |
PR29807, SIGSEGV when linking fuzzed PE object
PR 29807
* cofflink.c (_bfd_coff_generic_relocate_section): Skip relocs
against symbols with a NULL section.
Diffstat (limited to 'bfd/cofflink.c')
| -rw-r--r-- | bfd/cofflink.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/bfd/cofflink.c b/bfd/cofflink.c index a5b936f..cd117a4 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 |