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armv7 simple-hello fails with chroot: can't execute '/bin/busybox': Exec format error #127

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benmoss opened this issue Sep 28, 2022 · 4 comments
Open

armv7 simple-hello fails with chroot: can't execute '/bin/busybox': Exec format error #127

benmoss opened this issue Sep 28, 2022 · 4 comments

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@benmoss
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benmoss commented Sep 28, 2022

Running from https://github.com/chainguard-dev/melange/tree/9e7b082649e3e36b81dfb84514c733e89ae8b494/examples/simple-hello

docker run --privileged --rm -v "${PWD}":/work   cgr.dev/chainguard/melange build melange.yaml   --arch armv7   --signing-key melange.rsa

2022/09/28 14:13:02 building for [arm/v7]
2022/09/28 14:13:02 melange (hello/armv7): melange is building:
2022/09/28 14:13:02 melange (hello/armv7):   configuration file: melange.yaml
2022/09/28 14:13:02 melange (hello/armv7):   workspace dir: /tmp/melange-workspace-2193273048
2022/09/28 14:13:02 melange (hello/armv7): evaluating pipelines for package requirements
2022/09/28 14:13:02 melange (hello/armv7):   adding package "make" for pipeline "Run autoconf make"
2022/09/28 14:13:02 melange (hello/armv7):   adding package "make" for pipeline "Run autoconf make install"
2022/09/28 14:13:02 melange (hello/armv7):   adding package "binutils" for pipeline "Strip binaries"
2022/09/28 14:13:02 melange (hello/armv7):   adding package "scanelf" for pipeline "Strip binaries"
2022/09/28 14:13:02 melange (hello/armv7): building workspace in '/tmp/melange-guest-3090450258' with apko
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] �[0mbuild context:
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] �[0m  working directory: /tmp/melange-guest-3090450258
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] �[0m  tarball path: 
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] �[0m  use proot: false
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] �[0m  source date: 0001-01-01 00:00:00 +0000 UTC
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] �[0m  Docker mediatypes: false
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] �[0m  SBOM output path: 
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] �[0m  arch: armv7
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] �[0mimage configuration:
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] �[0m  contents:
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] �[0m    repositories: [https://dl-cdn.alpinelinux.org/alpine/edge/main]
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] �[0m    keyring:      []
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] �[0m    packages:     [alpine-baselayout-data binutils build-base busybox ca-certificates-bundle make scanelf ssl_client]
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] �[0m  accounts:
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] �[0m    runas:  
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] �[0m    users:
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] �[0m      - uid=1000(build) gid=1000
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] �[0m    groups:
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] �[0m      - gid=1000(build) members=[build]
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] �[0mdoing pre-flight checks
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] �[0mbuilding image fileystem in /tmp/melange-guest-3090450258
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] �[0minitializing apk database
Sep 28 14:13:02.480�[36m [INFO] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0mrunning: /sbin/apk add --initdb --arch armv7 --root /tmp/melange-guest-3090450258
Sep 28 14:13:02.483�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0mOK: 0 MiB in 0 packages
Sep 28 14:13:02.484�[36m [INFO] [arch:armv7] �[0minitializing apk world
Sep 28 14:13:02.484�[36m [INFO] [arch:armv7] �[0minitializing apk keyring
Sep 28 14:13:02.484�[37m [DEBUG] [arch:armv7] �[0minstalling key /usr/share/apk/keys/armv7/[email protected]
Sep 28 14:13:02.484�[36m [INFO] [arch:armv7] �[0minitializing apk repositories
Sep 28 14:13:02.484�[37m [DEBUG] [arch:armv7] �[0minstalling key /usr/share/apk/keys/armv7/[email protected]
Sep 28 14:13:02.484�[36m [INFO] [arch:armv7] �[0msynchronizing with desired apk world
Sep 28 14:13:02.484�[36m [INFO] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0mrunning: /sbin/apk fix --root /tmp/melange-guest-3090450258 --no-scripts --no-cache --update-cache --arch armv7
Sep 28 14:13:02.487�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0mfetch https://dl-cdn.alpinelinux.org/alpine/edge/main/armv7/APKINDEX.tar.gz
Sep 28 14:13:02.947�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(1/29) Installing alpine-baselayout-data (3.3.0-r2)
Sep 28 14:13:02.981�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(2/29) Installing musl (1.2.3-r1)
Sep 28 14:13:03.045�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(3/29) Installing libgcc (12.1.1_git20220630-r6)
Sep 28 14:13:03.066�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(4/29) Installing libstdc++ (12.1.1_git20220630-r6)
Sep 28 14:13:03.191�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(5/29) Installing zlib (1.2.12-r3)
Sep 28 14:13:03.218�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(6/29) Installing binutils (2.39-r2)
Sep 28 14:13:03.455�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(7/29) Installing libmagic (5.42-r0)
Sep 28 14:13:03.519�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(8/29) Installing file (5.42-r0)
Sep 28 14:13:03.543�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(9/29) Installing libgomp (12.1.1_git20220630-r6)
Sep 28 14:13:03.576�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(10/29) Installing libatomic (12.1.1_git20220630-r6)
Sep 28 14:13:03.599�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(11/29) Installing gmp (6.2.1-r2)
Sep 28 14:13:03.660�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(12/29) Installing isl25 (0.25-r0)
Sep 28 14:13:03.805�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(13/29) Installing mpfr4 (4.1.0-r0)
Sep 28 14:13:03.855�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(14/29) Installing mpc1 (1.2.1-r1)
Sep 28 14:13:03.881�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(15/29) Installing gcc (12.1.1_git20220630-r6)
Sep 28 14:13:07.321�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(16/29) Installing libstdc++-dev (12.1.1_git20220630-r6)
Sep 28 14:13:08.662�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(17/29) Installing musl-dev (1.2.3-r1)
Sep 28 14:13:08.892�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(18/29) Installing libc-dev (0.7.2-r3)
Sep 28 14:13:08.910�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(19/29) Installing g++ (12.1.1_git20220630-r6)
Sep 28 14:13:09.988�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(20/29) Installing make (4.3-r0)
Sep 28 14:13:10.039�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(21/29) Installing fortify-headers (1.1-r1)
Sep 28 14:13:10.069�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(22/29) Installing patch (2.7.6-r7)
Sep 28 14:13:10.105�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(23/29) Installing build-base (0.5-r3)
Sep 28 14:13:10.135�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(24/29) Installing busybox (1.35.0-r25)
Sep 28 14:13:10.218�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(25/29) Installing ca-certificates-bundle (20220614-r2)
Sep 28 14:13:10.265�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(26/29) Installing scanelf (1.3.5-r1)
Sep 28 14:13:10.296�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(27/29) Installing libcrypto3 (3.0.5-r2)
Sep 28 14:13:10.471�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(28/29) Installing libssl3 (3.0.5-r2)
Sep 28 14:13:10.517�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0m(29/29) Installing ssl_client (1.35.0-r25)
Sep 28 14:13:10.538�[37m [DEBUG] [arch:armv7] [cmd:apk] [use-proot:false] [use-qemu:] �[0mOK: 164 MiB in 29 packages
Sep 28 14:13:10.548�[36m [INFO] [arch:armv7] �[0mcreating user 1000(build)
Sep 28 14:13:10.549�[36m [INFO] [arch:armv7] �[0mcreating group 1000(build)
Sep 28 14:13:10.550�[36m [INFO] [arch:armv7] [cmd:/bin/busybox] [use-proot:false] [use-qemu:] �[0mrunning: /usr/sbin/chroot /tmp/melange-guest-3090450258 /bin/busybox --install -s
Sep 28 14:13:10.554�[37m [DEBUG] [arch:armv7] [cmd:/bin/busybox] [use-proot:false] [use-qemu:] �[0mchroot: can't execute '/bin/busybox': Exec format error
2022/09/28 14:13:10 ERROR: failed to build package. the build environment has been preserved:
2022/09/28 14:13:10 melange (hello/armv7):   workspace dir: /tmp/melange-workspace-2193273048
2022/09/28 14:13:10 melange (hello/armv7):   guest dir: /tmp/melange-guest-3090450258
Error: failed to build package: unable to build workspace: unable to generate image: failed to install busybox symlinks: failed to install busybox symlinks: exit status 126
2022/09/28 14:13:10 error during command execution: failed to build package: unable to build workspace: unable to generate image: failed to install busybox symlinks: failed to install busybox symlinks: exit status 126
@benmoss
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benmoss commented Sep 28, 2022

Guessing this is me missing qemu emulation packages?

@amouat
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amouat commented Oct 17, 2022

Could be, could you try the recommendation here?
https://edu.chainguard.dev/open-source/melange/troubleshooting/#missing-qemu-user-space-emulation-packages

@benmoss
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benmoss commented Oct 17, 2022 

$ docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
Unable to find image 'multiarch/qemu-user-static:latest' locally
latest: Pulling from multiarch/qemu-user-static
f5b7ce95afea: Pull complete
22ee763f0af7: Pull complete
30abb83a18eb: Pull complete
0657daef200b: Pull complete
998118dcc3de: Pull complete
Digest: sha256:16abbe859db6a7d142d90125f3260008f698a224ccd0e776d554cfc46fd025b6
Status: Downloaded newer image for multiarch/qemu-user-static:latest
WARNING: The requested image's platform (linux/amd64) does not match the detected host platform (linux/arm64/v8) and no specific platform was requested
Error while loading /qemu-binfmt-conf.sh: Exec format error

Looks like that image only comes in amd64 :/

@benmoss
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benmoss commented Oct 17, 2022

Seems to work in an amd64 environment though

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