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[Bug ld/31482] The first definition in shared object and archive is igno
From: |
cvs-commit at gcc dot gnu.org |
Subject: |
[Bug ld/31482] The first definition in shared object and archive is ignored |
Date: |
Sat, 06 Apr 2024 07:29:21 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=31482
--- Comment #12 from Sourceware Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Alan Modra <amodra@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=e7e05a9dd0c93038fdd5ed1904ca660e52beabdc
commit e7e05a9dd0c93038fdd5ed1904ca660e52beabdc
Author: Alan Modra <amodra@gmail.com>
Date: Sat Apr 6 15:49:44 2024 +1030
Don't have first_hash entries of strings that can be freed.
Seen running "LTO 1" under valgrind.
==1443263== Invalid read of size 1
==1443263== at 0x484CFE4: strcmp (vg_replace_strmem.c:939)
==1443263== by 0x56E16C: bfd_hash_lookup (hash.c:564)
==1443263== by 0x5A3C8F: elf_link_add_to_first_hash (elflink.c:4316)
==1443263== by 0x5AE60F: elf_link_add_object_symbols (elflink.c:5663)
==1443263== by 0x5B0672: bfd_elf_link_add_symbols (elflink.c:6333)
==1443263== by 0x41448F: load_symbols (ldlang.c:3129)
==1443263== by 0x4149D8: open_input_bfds (ldlang.c:3621)
==1443263== by 0x414968: open_input_bfds (ldlang.c:3569)
==1443263== by 0x4166A2: lang_process (ldlang.c:8162)
==1443263== by 0x4194D5: main (ldmain.c:504)
==1443263== Address 0x525e230 is 192 bytes inside a block of size 4,064
free'd
==1443263== at 0x484810F: free (vg_replace_malloc.c:974)
==1443263== by 0x8D4D87: objalloc_free_block (objalloc.c:248)
==1443263== by 0x5AEACC: elf_link_add_object_symbols (elflink.c:5790)
==1443263== by 0x5B0672: bfd_elf_link_add_symbols (elflink.c:6333)
==1443263== by 0x41448F: load_symbols (ldlang.c:3129)
==1443263== by 0x4149D8: open_input_bfds (ldlang.c:3621)
==1443263== by 0x414968: open_input_bfds (ldlang.c:3569)
==1443263== by 0x4166A2: lang_process (ldlang.c:8162)
==1443263== by 0x4194D5: main (ldmain.c:504)
PR ld/31482
PR ld/31489
* elflink.c (elf_link_add_to_first_hash): Add "copy" param.
(elf_link_add_object_symbols): Flag that name must be copied
when appending version string to symbol name.
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