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[Bug gold/15864] incremental linking: segfault i386::first_plt_entry_off


From: ovidiugabriel at europe dot com
Subject: [Bug gold/15864] incremental linking: segfault i386::first_plt_entry_offset
Date: Tue, 27 Jun 2017 08:26:00 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=15864

Ovidiu <ovidiugabriel at europe dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ovidiugabriel at europe dot com

--- Comment #1 from Ovidiu <ovidiugabriel at europe dot com> ---
This bug happens to me also. This bug is 4 years old.
It is anyone working on it?

>> $ gdb ld.gold
GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-80.el7
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/ld.gold...Reading symbols from
/usr/bin/ld.gold...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Missing separate debuginfos, use: debuginfo-install
binutils-2.23.52.0.1-55.el7.x86_64
(gdb) r  --incremental obj/test-tup-1.o -o hello
Starting program: /usr/bin/ld.gold --incremental obj/test-tup-1.o -o hello
the link might take longer: cannot perform incremental link: no incremental
data from previous build
linking with --incremental-full

Program received signal SIGSEGV, Segmentation fault.
0x00000000004323a4 in (anonymous
namespace)::Target_x86_64<64>::first_plt_entry_offset() const ()
(gdb) bt
#0  0x00000000004323a4 in (anonymous
namespace)::Target_x86_64<64>::first_plt_entry_offset() const ()
#1  0x00000000005406c6 in gold::Output_section_incremental_inputs<64,
false>::write_got_plt(unsigned char*, long) ()
#2  0x000000000058fb55 in gold::Output_section::do_write(gold::Output_file*) ()
#3  0x0000000000545cc6 in
gold::Layout::write_sections_after_input_sections(gold::Output_file*) ()
#4  0x00000000006272ed in gold::Workqueue::find_and_run_task(int) ()
#5  0x000000000062761a in gold::Workqueue::process(int) ()
#6  0x0000000000406132 in main ()

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