binutils/binutils-memory-access-when-parsing-an-elf-file.patch

18 lines
577 B
Diff

diff --git a/bfd/elf.c b/bfd/elf.c
index fe00e0f9189..7cd7febcf95 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -8918,7 +8918,9 @@ _bfd_elf_slurp_version_tables (bfd *abfd, bool default_imported_symver)
bfd_set_error (bfd_error_file_too_big);
goto error_return_verref;
}
- elf_tdata (abfd)->verref = (Elf_Internal_Verneed *) bfd_alloc (abfd, amt);
+ if (amt == 0)
+ goto error_return_verref;
+ elf_tdata (abfd)->verref = (Elf_Internal_Verneed *) bfd_zalloc (abfd, amt);
if (elf_tdata (abfd)->verref == NULL)
goto error_return_verref;
--
2.31.1