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[Bug ld/16139] ld/mips: abort in _bfd_merged_section_offset

From: raphael.droz+floss at gmail dot com
Subject: [Bug ld/16139] ld/mips: abort in _bfd_merged_section_offset
Date: Thu, 28 Nov 2013 21:30:26 +0000


Raphaël Droz <raphael.droz+floss at gmail dot com> changed:

           What    |Removed                     |Added


                 CC|                            |raphael.droz+floss at gmai
l dot co

                   |                            |m

--- Comment #2 from Raphaël Droz <raphael.droz+floss at gmail dot com>

Created attachment 7310

  --> https://sourceware.org/bugzilla/attachment.cgi?id=7310&action=edit

gdb commented trace of a crash

I have this issue on Gentoo AMD 64 that I heavily commented in 


and which seems very related to bug #13797 and bug #11584.

I was able to build a -gdb enabled libbfd which exhibits the problem.

Most of what is could say is explained in the attached gdb backtrace.

But I can't tell why this rel->r_info is wrong in some case but not always.

Let me know if I can provide anything more like .s files or output of my

debug'ged build.

I can provide also provide a tar.gz of this files.

Some samples of wrong values are:



instead of:

0x2600000004          0y10011000000000000000000000000000000100




instead of:

0x1a00000004          0y1101000000000000000000000000000000100

My test-bed is a set of 2 .a and 2 .o files from a dovecot compilation

directory but this happens consistently with other program like... binutils

themselves and gcc (which I was never able to compile since the issue arise)

I noticed the issue recently (some months) but was able to reproduce it with

2.21.1-r1 and 2.23.1.

(compilations option seriously affects the chances of hitting the issue)

The chances of hitting a segfault increase consistently during the uptime w

usually end in a system reboot.


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