Red Hat Bugzilla – Bug 1312489
Wrong GOT offset used with GOT relocation
Last modified: 2017-08-08 09:04:43 EDT
Since commit 02a866936de7e63ad4962ccba56c8cd05c231275 ld generates invalid GOT entries (less than 4 Byte in size) when processing a R_386_GOT32X relocation to a weak symbol during static linking. This happens for example when statically linking a C++ program without using libpthread on Linux.
It has been fixed on 2.26 branch by
Author: H.J. Lu <firstname.lastname@example.org>
Date: Wed Feb 10 19:33:52 2016 -0800
Mask off the least significant bit in GOT offset
The least significant bit in GOT offset is to record whether we have
initialized the GOT entry in R_386_GOT32 processing. We need to mask
it off for R_386_GOT32X.
* elf32-i386.c (elf_i386_relocate_section): Mask off the least
significant bit in GOT offset for R_386_GOT32X.
Patch checked in:
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