diff options
| author | Alan Modra <amodra@gmail.com> | 2022-08-06 17:36:32 +0930 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2022-08-06 18:43:24 +0930 |
| commit | 431d48ef288983b62df2afb435dc8c6101a34cf8 (patch) | |
| tree | 1d1d49e0f1425c6beaf20d2a6feb01496f4a0343 | |
| parent | f7a559d5e11c5c023554b48b661aabbcc2c87cb8 (diff) | |
asan: segfault in coff_write_auxent_fname
More fuzzed input file nonsense.
* coffgen.c (coff_write_symbol): Don't call coff_write_auxent_fname
when extrap is NULL.
| -rw-r--r-- | bfd/coffgen.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/bfd/coffgen.c b/bfd/coffgen.c index 07b3fb446a..4d2b82e4a6 100644 --- a/bfd/coffgen.c +++ b/bfd/coffgen.c @@ -1058,7 +1058,8 @@ coff_write_symbol (bfd *abfd, /* Adjust auxent only if this isn't the filename auxiliary entry. */ if (native->u.syment.n_sclass == C_FILE - && (native + j + 1)->u.auxent.x_file.x_ftype) + && (native + j + 1)->u.auxent.x_file.x_ftype + && (native + j + 1)->extrap) coff_write_auxent_fname (abfd, (char *) (native + j + 1)->extrap, &(native + j + 1)->u.auxent, strtab, hash); |