[Bug 768905] Re: ld.bfd crashed with SIGSEGV in bfd_elf_final_link()

[Matthias Klose]

please provide the object files needed for the link step.
is this reproducible with newer ubuntu versions (e.g. 12.04 LTS, or 12.10 development)?

** Changed in: binutils (Ubuntu)
       Status: New => Incomplete

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Title:
  ld.bfd crashed with SIGSEGV in bfd_elf_final_link()

Status in “binutils” package in Ubuntu:
  Incomplete

Bug description:
  Binary package hint: binutils

  Was building a program and I think this was triggered by attempting to
  link with 32-bit libraries when building on a 64-bit system. The
  output of 'make' gave this sort of message:

  gcc -Wall -DLINUX -O2 -DDUNDEE_COMPILE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include -I${SWDEV} -I../../DCPlib -o beacon bmain.o bprocess.o message.o ${SWDEV}/lib/libsat.a ${SWDEV}/lib/libutils.a -lm -lncurses -lm ${SWDEV}/lib/libdcp.a ${SWDEV}/lib/libsat.a ${SWDEV}/lib/libutils.a -lm -lncurses
  collect2: ld terminated with signal 11 [Segmentation fault], core dumped
  /usr/bin/ld: i386 architecture of input file `/home/paul/win/swdev/lib/libsat.a(jnow.o)' is incompatible with i386:x86-64 output

  Using 10.04 LTS with 64-bit version on quad core "Intel(R) Core(TM) i5
  CPU 760  @ 2.80GHz" machine. I have it dual-boot so I also have 32-bit
  10.04 for some things that need it, hence the library issue.

  $ lsb_release -rd
  Description:	Ubuntu 10.04.2 LTS
  Release:	10.04

  I expect, under these circumstances, to get a warning and error exit,
  not a core-dump due to segfault.

  ProblemType: Crash
  DistroRelease: Ubuntu 10.04
  Package: binutils 2.20.1-3ubuntu7.1
  ProcVersionSignature: Ubuntu 2.6.32-31.61-generic 2.6.32.32+drm33.14
  Uname: Linux 2.6.32-31-generic x86_64
  NonfreeKernelModules: nvidia
  Architecture: amd64
  Date: Fri Apr 22 11:42:12 2011
  ExecutablePath: /usr/bin/ld.bfd
  InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
  ProcCmdline: /usr/bin/ld --build-id --eh-frame-hdr -m elf_x86_64 --hash-style=both -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o beacon -z relro /usr/lib/gcc/x86_64-linux-gnu/4.4.3/../../../../lib/crt1.o /usr/lib/gcc/x86_64-linux-gnu/4.4.3/../../../../lib/crti.o /usr/lib/gcc/x86_64-linux-gnu/4.4.3/crtbegin.o -L/usr/lib/gcc/x86_64-linux-gnu/4.4.3 -L/usr/lib/gcc/x86_64-linux-gnu/4.4.3 -L/usr/lib/gcc/x86_64-linux-gnu/4.4.3/../../../../lib -L/lib/../lib -L/usr/lib/../lib -L/usr/lib/gcc/x86_64-linux-gnu/4.4.3/../../.. -L/usr/lib/x86_64-linux-gnu bmain.o bprocess.o message.o /home/username/win/swdev/lib/libsat.a /home/username/win/swdev/lib/libutils.a -lm -lncurses -lm /home/username/win/swdev/lib/libdcp.a /home/username/win/swdev/lib/libsat.a /home/username/win/swdev/lib/libutils.a -lm -lncurses -lgcc --as-needed -lgcc_s --no-as-needed -lc -lgcc --as-needed -lgcc_s --no-as-needed /usr/lib/gcc/x86_64-linux-gnu/4.4.3/crtend.o /usr/lib/gcc/x86_64-linux-gnu/4.4.3/../../../../lib/crtn.o
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_GB.utf8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x2b3d2ed5255a:	mov    %rdx,0x30(%rax)
   PC (0x2b3d2ed5255a) ok
   source "%rdx" ok
   destination "0x30(%rax)" (0x200000030) not located in a known VMA region (needed writable region)!
  SegvReason: writing unknown VMA
  Signal: 11
  SourcePackage: binutils
  StacktraceTop:
   ?? () from /usr/lib/libbfd-2.20.1-system.20100303.so
   bfd_elf_final_link ()
   ?? ()
   ?? ()
   __libc_start_main () from /lib/libc.so.6
  Title: ld.bfd crashed with SIGSEGV in bfd_elf_final_link()
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

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