Description of problem:

Attempting to build a container from file fails on 32-bit arm:

podman build -t fedora-httpd $(pwd)
STEP 1: FROM registry.fedoraproject.org/fedora:latest
Getting image source signatures
Copying blob bf82a539f89a done  
Copying config 8f324a4e16 done  
Writing manifest to image destination
Storing signatures
STEP 2: RUN /usr/bin/dnf install -y httpd
Fedora 34 openh264 (From Cisco) - armhfp        3.0 kB/s | 2.5 kB     00:00    
Fedora Modular 34 - armhfp                      1.3 MB/s | 3.7 MB     00:02    
Fedora Modular 34 - armhfp - Updates            276 kB/s | 724 kB     00:02    
Fedora 34 - armhfp - Updates                    2.4 MB/s | 6.7 MB     00:02    
Fedora 34 - armhfp                              2.8 MB/s |  53 MB     00:18    
..
  systemd-pam-248-2.fc34.armv7hl                                                
  systemd-rpm-macros-248-2.fc34.noarch                                          
  xkeyboard-config-2.32-2.fc34.noarch                                           

Complete!
--> da34cd8a148
? Please select an image: 
  ▸ registry.fedoraproject.org/da34cd8a148a3ad67743be86d86343a15d2ea6f9acd9981373c023fab5d24e11:latest
    registry.access.redhat.com/da34cd8a148a3ad67743be86d86343a15d2ea6f9acd9981373c023fab5d24e11:latest
    docker.io/library/da34cd8a148a3ad67743be86d86343a15d2ea6f9acd9981373c023fab5d24e11:latest
    quay.io/da34cd8a148a3ad67743be86d86343a15d2ea6f9acd9981373c023fab5d24e11:latest


Version-Release number of selected component (if applicable):
podman-3.1.2-1.fc34.armv7hl
buildah-1.20.1-4.fc34.armv7hl
crun-0.19.1-2.fc34.armv7hl


How reproducible:

Always, only on 32-bit arm. Working on AArch64 and x86_64 with the same file. 

Steps to Reproduce:
1. Attempt to create a container from file 

cat << EOF >> Containerfile
FROM registry.fedoraproject.org/fedora:latest
RUN /usr/bin/dnf install -y httpd
EXPOSE 80
CMD ["-D", "FOREGROUND"]
ENTRYPOINT ["/usr/sbin/httpd"]
EOF

2. Fails as above


Additional info:

With debug logging:

DEBU[0265] set names of image "150761619aa4af7ef36598c88a7bd5d8d1eb08deefca7f3c64cd0e87db09c2a7" to [docker.io/library/fd68fc531c4bb86fd366a1ad1d5daf909c47f39f4fe8cd4b956f7830c135d441-tmp:latest] 
DEBU[0265] saved image metadata "{\"signatures-sizes\":{\"sha256:c02394d8183860bbb38b0a8249a249c747c897b6ef1379dca925c921f7354b3f\":[]}}" 
DEBU[0266] reassigned names [] to image "150761619aa4af7ef36598c88a7bd5d8d1eb08deefca7f3c64cd0e87db09c2a7" 
DEBU[0266] parsed reference into "[overlay@/home/pwhalen/.local/share/containers/storage+/tmp/podman-run-1000/containers:overlay.mount_program=/usr/bin/fuse-overlayfs]@150761619aa4af7ef36598c88a7bd5d8d1eb08deefca7f3c64cd0e87db09c2a7" 
--> 150761619aa
DEBU[0266] parsed reference into "[overlay@/home/pwhalen/.local/share/containers/storage+/tmp/podman-run-1000/containers:overlay.mount_program=/usr/bin/fuse-overlayfs]@150761619aa4af7ef36598c88a7bd5d8d1eb08deefca7f3c64cd0e87db09c2a7" 
DEBU[0266] exporting opaque data as blob "sha256:150761619aa4af7ef36598c88a7bd5d8d1eb08deefca7f3c64cd0e87db09c2a7" 
DEBU[0266] Found local image 150761619aa4af7ef36598c88a7bd5d8d1eb08deefca7f3c64cd0e87db09c2a7 but it does not match the provided context 
? Please select an image: 
  ▸ registry.fedoraproject.org/150761619aa4af7ef36598c88a7bd5d8d1eb08deefca7f3c64cd0e87db09c2a7:latest
    registry.access.redhat.com/150761619aa4af7ef36598c88a7bd5d8d1eb08deefca7f3c64cd0e87db09c2a7:latest
    docker.io/library/150761619aa4af7ef36598c88a7bd5d8d1eb08deefca7f3c64cd0e87db09c2a7:latest
    quay.io/150761619aa4af7ef36598c88a7bd5d8d1eb08deefca7f3c64cd0e87db09c2a7:latest