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regression: podman exec /directory #511

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edsantiago opened this issue Sep 29, 2020 · 2 comments · Fixed by #512
Closed

regression: podman exec /directory #511

edsantiago opened this issue Sep 29, 2020 · 2 comments · Fixed by #512

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@edsantiago
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I don't know how to phrase this in crun-speak. I can only phrase it in podman-speak and hope that the cause is obvious.

# podman run -d --name foo alpine sleep 10;podman exec foo /etc;echo $?
1232e99fa50320c2a42d23304c1af3d692d4c40d2dfca14dca706b396e7cde6b
open executable: Operation not permitted
1

This is new (and incorrect) behavior. crun-0.14.1-5.fc32 (and all crun versions for a long time):

Error: open executable: Operation not permitted: OCI runtime permission denied error
126
giuseppe added a commit to giuseppe/crun that referenced this issue Sep 29, 2020
@giuseppe
exec: check read bytes from sync
20c56be 
when reading from the exec sync pipe, make sure it reads exactly one
byte otherwise return an error.

Closes: containers#511

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
@giuseppe giuseppe mentioned this issue Sep 29, 2020
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@giuseppe
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Thanks for the report. Finally tracked it down: #512

I had to use the same compiler flags used for the Fedora package in order to reproduce locally.

@edsantiago
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Thank you!

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exec: check read bytes from sync giuseppe/crun
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@giuseppe @edsantiago