Hello, I'm having an issue with running a 32-bit executable built with GCC inside a Bitbucket pipeline using the atlassian/default-image:2 image: + file /usr/local/bin/pawncc /usr/local/bin/pawncc: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked, interpreter /lib/ld-linux.so.2, for GNU/Linux 2.6.24, BuildID[sha1]=1df4edb3e7046c89aaac29df60750a897c3e0540, not stripped + ldd /usr/local/bin/pawncc not a dynamic executable LDD says that it's "not a dynamic executable". Do I need to install some extra packages to run 32-bit programs? I currently have the following: + apt-get install -y libc6:i386 linux-libc-dev:i386 cmake gcc-multilib gcc-4.8 gcc-4.8-multilib g++-4.8 g++-4.8-multilib cmake snapd Update: Sample bitbucket-pipelines.yml that reproduces the issue: image: atlassian/default-image:2 pipelines: default: - step: name: Build script: - uname -a - cat /etc/lsb-release - dpkg --add-architecture i386 - apt-get update -qq - apt-get install -y binfmt-support file wget libc6-i386 linux-libc-dev:i386 gcc gcc-multilib - echo 'int main() { printf("Hello, world!"); }' >> test.c - gcc -m32 test.c -o test - ./test Output: bash: ./test: cannot execute binary file: Exec format error

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Unable to run 32-bit executable on Ubuntu 16.04 on Pipelines

unknown

Hello,

I'm having an issue with running a 32-bit executable built with GCC inside a Bitbucket pipeline using the atlassian/default-image:2 image:

<span>/usr/local/bin/pawncc: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked, interpreter /lib/ld-linux.so.2, for GNU/Linux 2.6.24, BuildID[sha1]=1df4edb3e7046c89aaac29df60750a897c3e0540, not stripped</span><span>+ file /usr/local/bin/pawncc</span>

<span>	not a dynamic executable</span><span>+ ldd /usr/local/bin/pawncc</span>

LDD says that it's "not a dynamic executable".

Do I need to install some extra packages to run 32-bit programs? I currently have the following:

<span>+ apt-get install -y libc6:i386 linux-libc-dev:i386 cmake gcc-multilib gcc-4.8 gcc-4.8-multilib g++-4.8 g++-4.8-multilib cmake snapd</span>

Update:

Sample bitbucket-pipelines.yml that reproduces the issue:

image: atlassian/default-image:2

pipelines:
default:
- step:
name: Build
script:
- uname -a
- cat /etc/lsb-release
- dpkg --add-architecture i386
- apt-get update -qq
- apt-get install -y binfmt-support file wget libc6-i386 linux-libc-dev:i386 gcc gcc-multilib
- echo 'int main() { printf("Hello, world!"); }' >> test.c
- gcc -m32 test.c -o test
- ./test

Output:

<span>bash: ./test: cannot execute binary file: Exec format error</span>

Accepted answers

All comments

Nic Brough -Adaptavist-

If ldd is reporting it's not a valid executable, then it's been built incorrectly for the current architecture, or you are missing supporting libraries in the running environment.

While this running inside a bitbucket pipeline, it's not really a bitbucket question - there's something missing from the environment or the compile

unknown

The executable is built correctly - I'm using the same script on Travis CI and it's working

Nic Brough -Adaptavist-

Ok, that's one thing fixed or ruled out. The next question has to be what is the difference between your Travis environment and the Bitbucket pipeline environment?

unknown

No idea... I even ran the same Docker image as Pipelines uses on my computer with the same set of commands, and it worked for me there

mfkenney

@[deleted]Just FYI, I ran into the same problem. I have a 64-bit Debian container image with some 32-bit executables (an old GCC cross compiler). The image works on every Docker installation I've tried except Bitbucket. My work-around is to use a self-hosted pipeline runner -- the image runs fine.

I have no idea how Bitbucket is running the images in their Cloud but they must be doing something non-standard ...

Jason_d3593x

@[deleted]@mfkenney Did you find a solution or workaround for this?

I've run into exactly the same issue and have come to the same conclusion. Bitbucket Pipelines must run the docker containers with a different configuration or in an environment that doesn't support 32-bit executables.

We've created our own docker image as follows:

FROM ubuntu:20.04

RUN dpkg --add-architecture i386 && \
    apt-get update && \
    apt-get install -y build-essential libc6-i386 libstdc++6 unzip git libgit2-dev python3 python3-pip python3-cffi

...

When running this docker image on Windows using WSL then the build script works fine.

However, when running the same scripts inside Bitbucket Pipelines then there is an error:

bash: /opt/mspgcc/bin/msp430-gcc: cannot execute binary file: Exec format error

unknown

Yes, I emailed Bitbucket support and they were able to enable 32-bit for my pipeline

unknown

Hey all, the last post has been made quite a while ago, but since I found an easy solution for executing 32-bit applications on Bitbucket pipeline, I felt like sharing this info with you.

I ran into the same issue with my 32-bit binary of google protoc compiler "protoc.bin".

The solution is installing 2 packages to enable execution of 32-bit applications.

Below you can find an example .yaml which installs the 2 required packages:

gcc-multilib
g++-multilib

image: ubuntu:latest

pipelines:
default:
 - step:
script:
 - apt-get update && apt-get install -y gcc-multilib g++-multilib
 - # Add your build commands here

Hope this helps.

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