Error: Ld.So: Object Ld_Preload Cannot Be Preloaded: Ignored

ERROR: ld.so: object LD_PRELOAD cannot be preloaded: ignored

The linker takes some environment variables into account. one is LD_PRELOAD

from man 8 ld-linux:

LD_PRELOAD
          A whitespace-separated list of additional,  user-specified,  ELF
          shared  libraries  to  be loaded before all others.  This can be
          used  to  selectively  override  functions   in   other   shared
          libraries.   For  setuid/setgid  ELF binaries, only libraries in
          the standard search directories that are  also  setgid  will  be
          loaded.

Therefore the linker will try to load libraries listed in the LD_PRELOAD variable before others are loaded.

What could be the case that inside the variable is listed a library that can't be pre-loaded. look inside your .bashrc or .bash_profile environment where the LD_PRELOAD is set and remove that library from the variable.

ERROR: ld.so: object 'getpid.so' from LD_PRELOAD cannot be preloaded: ignored

Looks like the loader is unable to find getpid.so as you've not mentioned the path to the library.

Try:

LD_PRELOAD=/full/path/to/getpid.so ./testpid

ERROR: LD_PRELOAD cannot be preloaded :ignored

This is a side effect of installing the gtk3-nocsd package. On 64-bit systems, it sets the LD_PRELOAD environment variable in a way that is incompatible with 32-bit multi-arch binaries. The error message is harmless. You can try removing the gtk3-nocsd package if you do not need it (apt remove gtk3-nocsd as root), or set the LD_PRELOAD environment variable when launching Wine:

LD_PRELOAD= wine

ERROR: ld.so: object '/opt/xyz/mylib.so' from LD_PRELOAD cannot be preloaded: ignored

LD_PRELOAD will not work on symlinks. You will need to set the path to the actual location of the library. For example:

LD_PRELOAD=/opt/xyz/lib/mylib64.so

I agree that a more specific error message would've been useful.

ERROR: ld.so: object 'libproxychains.so.3' from LD_PRELOAD cannot be preloaded (cannot open shared object file): ignored

I've faced the same problem, when trying to run something like :

proxychains ping -c www.google.com  

but when trying to run something else like to get my public ip addr :

proxychains curl ifconfig.me 

surprisingly it works flawlessly

What i did to fix it was :

1. First i searched for libproxychains.so.3 location :

   whereis libproxychains.so.3  
   

   Output :

   libproxychains.so: /usr/lib/x86_64-linux-gnu/libproxychains.so.3
   

2. Next i took a look at the proxychains script /usr/bin/proxychains :

   sudo cat /usr/bin/proxychains
   

   Output :

    #!/bin/sh
    echo "ProxyChains-3.1 (http://proxychains.sf.net)"
    if [ $# = 0 ] ; then
        echo " usage:"
        echo "     proxychains <prog> [args]"
        exit
    fi
    export LD_PRELOAD=libproxychains.so.3
    exec "$@"
   

3. Edited the script sudo nano /usr/bin/proxychains and changed the export to include the absolute path to libproxychains.so.3:

    export LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libproxychains.so.3
   

   like this :

    #!/bin/sh
    echo "ProxyChains-3.1 (http://proxychains.sf.net)"
    if [ $# = 0 ] ; then
        echo " usage:"
        echo "     proxychains <prog> [args]"
        exit
    fi
    export LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libproxychains.so.3
    exec "$@"
   

Check again, the Error gone.

You can also install proxychains4 that it is better in my opinion (you can use both if you wanted)

to install proxychains4 : sudo apt install proxychains4

linux, LD_PRELOAD error

If your program is 32-bit, be sure that your library is also 32-bit, or if your program is 64-bit, be sure that your library is 64-bit. You can check this with the file command.

Also if the library is not in the library search path, be sure to specify a path even if it is in the current directory. With no path it will look for the library using the library search path. If the library is in the current directory you can use LD_PRELOAD=./libwrap_ioctl.so. You can debug library search issues by setting LD_DEBUG=libs.

ERROR: ld.so: object 'libgtk3-nocsd.so.0' from LD_PRELOAD cannot be preloaded

Found the answer after a bit of web searching here: https://github.com/PX4/Firmware/issues/9409

Solution

If you update your .bashrc with the below line it should fix the issue:

export LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libgtk3-nocsd.so.0

In addition, you may need to install the following package:

sudo apt install gtk3-nocsd

An Alternative

Another user reported installing the following package fixed their issue:

sudo apt-get install libgtk3-nocsd0:i386

Git error when pushing: Object from LD_PRELOAD cannot be preloaded

I have to assume it's a server mis-configuration. The message is originating from the GitHub server. So rest assured it has nothing to do with your git.

For anyone who cares, here's a good SO explanation for LD_PRELOAD: https://stackoverflow.com/a/426260/591166

Update: GitHub has apparently fixed the issue.

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