From: Alan Modra <amodra@gmail.com>
To: binutils@sourceware.org
Subject: sh4-linux segfaults running ld testsuite
Date: Thu, 20 Apr 2023 08:41:16 +0930 [thread overview]
Message-ID: <ZEB1FHCdkVcnkby8@squeak.grove.modra.org> (raw)
Segmentation fault
FAIL: pr22269-1 (static pie undefined weak)
and others running "visibility (hidden undef)" tests
No code has any right to access bfd_link_hash_entry u.def without
first checking the type, and SYMBOL_REFERENCES_LOCAL isn't sufficient.
* elf32-sh.c (sh_elf_finish_dynamic_symbol): Don't use relative
relocs in GOT unless symbol is defined.
diff --git a/bfd/elf32-sh.c b/bfd/elf32-sh.c
index fdcc5870890..499233d1355 100644
--- a/bfd/elf32-sh.c
+++ b/bfd/elf32-sh.c
@@ -6174,6 +6174,8 @@ sh_elf_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info,
The entry in the global offset table will already have been
initialized in the relocate_section function. */
if (bfd_link_pic (info)
+ && (h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak)
&& SYMBOL_REFERENCES_LOCAL (info, h))
{
if (htab->fdpic_p)
--
Alan Modra
Australia Development Lab, IBM
reply other threads:[~2023-04-19 23:11 UTC|newest]
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