Wireshark-bugs: [Wireshark-bugs] [Bug 7808] New: libnl3 compatibility
Date: Sun, 7 Oct 2012 16:23:34 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7808

           Summary: libnl3 compatibility
           Product: Wireshark
           Version: SVN
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Major
          Priority: Low
         Component: Dissection engine (libwireshark)
        AssignedTo: bugzilla-admin@xxxxxxxxxxxxx
        ReportedBy: info@xxxxxxxxxxxxxxx


Build Information:
Dumpcap 1.9.0 (SVN Rev 45376 from /trunk)

Copyright 1998-2012 Gerald Combs <gerald@xxxxxxxxxxxxx> and contributors.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Compiled (64-bit) with GLib 2.32.4, with libpcap, with libz 1.2.6, with POSIX
capabilities (Linux), with libnl 3.

Running on Linux 3.2.29, with locale en_US, with libpcap version 1.3.0, with
libz 1.2.6.

Built using gcc 4.7.1.

See http://www.wireshark.org for more information.
--
gdb$ r
Starting program: dumpcap 

Program received signal SIGSEGV, Segmentation fault.
-----------------------------------------------------------------------------------------------------------------------[regs]
  RAX: 0x0000000000000000  RBX: 0x00007FFFF68703C0  RCX: 0x00007FFFFFFFDE08 
RDX: 0x00007FFFFFFFDE08  o d I t s Z a P c 
  RSI: 0x00007FFFFFFFDDF8  RDI: 0x00007FFFF666080C  RBP: 0x00007FFFFFFFDD50 
RSP: 0x00007FFFFFFFDD30  RIP: 0x00007FFFF705B9FE
  R8 : 0x00000000000000FF  R9 : 0x0000000000000007  R10: 0x00007FFFFFFFDAD0 
R11: 0x00007FFFF705B9E0  R12: 0x00007FFFFFFFDDF8
  R13: 0x00007FFFFFFFDE08  R14: 0x00007FFFFFFFDE08  R15: 0x00007FFFF7FFE2E8
  CS: 0033  DS: 0000  ES: 0000  FS: 0000  GS: 0000  SS: 002B                
-----------------------------------------------------------------------------------------------------------------------[code]
=> 0x7ffff705b9fe <genl_register+30>:    mov    QWORD PTR [rdi+0x10],rbx
   0x7ffff705ba02 <genl_register+34>:    mov    DWORD PTR [rdi],eax
   0x7ffff705ba04 <genl_register+36>:    mov    rax,QWORD PTR [rbx+0x60]
   0x7ffff705ba08 <genl_register+40>:    mov    QWORD PTR [rdi+0x8],rax
   0x7ffff705ba0c <genl_register+44>:    mov    eax,DWORD PTR [rbx+0x58]
   0x7ffff705ba0f <genl_register+47>:    mov    DWORD PTR [rdi+0x4],eax
   0x7ffff705ba12 <genl_register+50>:    lea    rax,[rip+0xfffffffffffffce7]   
    # 0x7ffff705b700
   0x7ffff705ba19 <genl_register+57>:    mov    QWORD PTR [rbx+0x20],rax
-----------------------------------------------------------------------------------------------------------------------------
0x00007ffff705b9fe in genl_register () from /usr/lib64/libnl-genl-3.so.200
gdb$ where
#0  0x00007ffff705b9fe in genl_register () from /usr/lib64/libnl-genl-3.so.200
#1  0x00007ffff665b716 in ?? () from /usr/lib64/libnl.so.1
#2  0x0000000000000000 in ?? ()

because

% ldd dumpcap                     
    linux-vdso.so.1 (0x00007fffdc5b6000)
    libwsutil.so => libwsutil.so (0x00007fdd8abf0000)
    libpcap.so.1 => /usr/lib64/libpcap.so.1 (0x00007fdd8a980000)
    libcap.so.2 => /lib64/libcap.so.2 (0x00007fdd8a77b000)
    libglib-2.0.so.0 => /usr/lib64/libglib-2.0.so.0 (0x00007fdd8a45c000)
    libz.so.1 => /lib64/libz.so.1 (0x00007fdd8a247000)
    libnl-genl-3.so.200 => /usr/lib64/libnl-genl-3.so.200 (0x00007fdd8a042000)
    libnl-3.so.200 => /usr/lib64/libnl-3.so.200 (0x00007fdd89e29000)
    libc.so.6 => /lib64/libc.so.6 (0x00007fdd89a69000)
    libusb-1.0.so.0 => /usr/lib64/libusb-1.0.so.0 (0x00007fdd8985a000)
    libnl.so.1 => /usr/lib64/libnl.so.1 (0x00007fdd8960a000)
    libattr.so.1 => /lib64/libattr.so.1 (0x00007fdd89406000)
    libpthread.so.0 => /lib64/libpthread.so.0 (0x00007fdd891ea000)
    librt.so.1 => /lib64/librt.so.1 (0x00007fdd88fe1000)
    libm.so.6 => /lib64/libm.so.6 (0x00007fdd88ce6000)
    /lib64/ld-linux-x86-64.so.2 (0x00007fdd8adf8000)

open shared library libnl.so.1 (libnl 1)

% readelf -d dumpcap | grep NEEDED
 0x0000000000000001 (NEEDED)             Shared library: [libwsutil.so]
 0x0000000000000001 (NEEDED)             Shared library: [libpcap.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libcap.so.2]
 0x0000000000000001 (NEEDED)             Shared library: [libglib-2.0.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libz.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libnl-genl-3.so.200]
 0x0000000000000001 (NEEDED)             Shared library: [libnl-3.so.200]
 0x0000000000000001 (NEEDED)             Shared library: [libc.so.6]

i'm currently fix it with change symbolic link libnl.so.1 to libnl-3.so.200
but,no idea to fix the code

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