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'podman run --volume .:/whatever' panics (relative path source) #2301

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wking opened this issue Feb 9, 2019 · 5 comments
Closed

'podman run --volume .:/whatever' panics (relative path source) #2301

wking opened this issue Feb 9, 2019 · 5 comments
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kind/bug Categorizes issue or PR as related to a bug. locked - please file new issue/PR Assist humans wanting to comment on an old issue or PR with locked comments.

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@wking
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wking commented Feb 9, 2019

/kind bug

Description

I naively passed a relative path source into --volume and panicked podman.

Steps to reproduce the issue:

$ podman pull quay.io/quay/busybox
$ podman run --rm --volume .:/whatever quay.io/quay/busybox ls /
ERRO[0000] error creating named volume ".": error running volume create option: name must match regex [a-zA-Z0-9_-]+: invalid argument 
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x1102c53]

goroutine 1 [running]:
github.com/containers/libpod/libpod.(*Volume).MountPoint(...)
	/.../go/src/github.com/containers/libpod/libpod/volume.go:46
github.com/containers/libpod/libpod.(*Runtime).newContainer(0xc420312620, 0x16c5a00, 0xc4200400e0, 0xc42003a300, 0xc42003a780, 0xf, 0x10, 0x0, 0x0, 0x0)
	/.../go/src/github.com/containers/libpod/libpod/runtime_ctr.go:180 +0x953
github.com/containers/libpod/libpod.(*Runtime).NewContainer(0xc420312620, 0x16c5a00, 0xc4200400e0, 0xc42003a300, 0xc42003a780, 0xf, 0x10, 0x0, 0x0, 0x0)
	/.../go/src/github.com/containers/libpod/libpod/runtime_ctr.go:43 +0xe3
main.createContainerFromCreateConfig(0xc420312620, 0xc420476580, 0x16c5a00, 0xc4200400e0, 0x0, 0x1b, 0xc42027ab40, 0xc420476580)
	/.../go/src/github.com/containers/libpod/cmd/podman/create.go:880 +0x144
main.createContainer(0x23f11c0, 0xc420312620, 0x0, 0x0, 0x0, 0x0)
	/.../go/src/github.com/containers/libpod/cmd/podman/create.go:155 +0x1d3
main.runCmd(0x23f11c0, 0x0, 0x0)
	/.../go/src/github.com/containers/libpod/cmd/podman/run.go:61 +0xeb
main.glob..func33(0x224f220, 0xc42035d800, 0x3, 0x6, 0x0, 0x0)
	/.../go/src/github.com/containers/libpod/cmd/podman/run.go:31 +0x80
github.com/containers/libpod/vendor/github.com/spf13/cobra.(*Command).execute(0x224f220, 0xc42003a0a0, 0x6, 0x6, 0x224f220, 0xc42003a0a0)
	/.../go/src/github.com/containers/libpod/vendor/github.com/spf13/cobra/command.go:762 +0x468
github.com/containers/libpod/vendor/github.com/spf13/cobra.(*Command).ExecuteC(0x2250060, 0x2d, 0x2416d80, 0xc420436c00)
	/.../go/src/github.com/containers/libpod/vendor/github.com/spf13/cobra/command.go:852 +0x30a
github.com/containers/libpod/vendor/github.com/spf13/cobra.(*Command).Execute(0x2250060, 0xc4204f5f78, 0x40aadc)
	/.../go/src/github.com/containers/libpod/vendor/github.com/spf13/cobra/command.go:800 +0x2b
main.main()
	/.../go/src/github.com/containers/libpod/cmd/podman/main.go:179 +0x42

Describe the results you expected:

I expected this to mount the current working directory into the container.

Additional information you deem important (e.g. issue happens only occasionally):

Reading this comment, I see that I should have used an absolute path and that podman is treating my . as a named volume and then crashing in error handling. And it looks like the user docs call out absolute paths here and here, although I don't see the non-absolute-path named-volume case discussed there.

Output of podman version:

$ podman version
Version:            1.0.1-dev
RemoteAPI Version:  1
Go Version:         go1.10.3
Git Commit:         "afd4d5f4a4b05f421e6f336b4d74a0d808be57ed"
Built:              Fri Feb  8 21:34:05 2019
OS/Arch:            linux/amd64
$ podman info
host:
  BuildahVersion: 1.7-dev
  Conmon:
    package: podman-0.10.1.3-1.gitdb08685.el7.x86_64
    path: /usr/libexec/podman/conmon
    version: 'conmon version 1.12.0-dev, commit: 0e7abf050824203d775a20c26ed14f716f7d1aa7-dirty'
  Distribution:
    distribution: '"rhel"'
    version: "7.5"
  MemFree: 2298761216
  MemTotal: 16289890304
  OCIRuntime:
    package: runc-1.0.0-52.dev.git70ca035.el7_5.x86_64
    path: /usr/bin/runc
    version: 'runc version spec: 1.0.0'
  SwapFree: 8011378688
  SwapTotal: 8254386176
  arch: amd64
  cpus: 8
  hostname: trking.remote.csb
  kernel: 3.10.0-891.el7.x86_64
  os: linux
  rootless: false
  uptime: 252h 1m 2.2s (Approximately 10.50 days)
insecure registries:
  registries: []
registries:
  registries:
  - registry.access.redhat.com
store:
  ConfigFile: /etc/containers/storage.conf
  ContainerStore:
    number: 13
  GraphDriverName: overlay
  GraphOptions: null
  GraphRoot: /var/lib/containers/storage
  GraphStatus:
    Backing Filesystem: extfs
    Native Overlay Diff: "true"
    Supports d_type: "true"
    Using metacopy: "false"
  ImageStore:
    number: 23
  RunRoot: /var/run/containers/storage
@openshift-ci-robot openshift-ci-robot added the kind/bug Categorizes issue or PR as related to a bug. label Feb 9, 2019
@mheon
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mheon commented Feb 9, 2019 via email

@rhatdan rhatdan mentioned this issue Feb 9, 2019
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@rhatdan
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rhatdan commented Feb 9, 2019

#2229 should fix this issue.

@rhatdan rhatdan closed this as completed Feb 23, 2019
@chpio
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chpio commented Mar 25, 2019 •
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im still getting an error: Error: error creating named volume ".": error running volume create option: name must match regex [a-zA-Z0-9_-]+: invalid argument

$ podman version
Version:            1.2.0-dev
RemoteAPI Version:  1
Go Version:         go1.10.4
OS/Arch:            linux/amd64

Is this the intended behavior? So local volumes are not supported? Is there a workaround to get local volumes to work with podman?

@mheon
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mheon commented Mar 25, 2019

@chpio Working on a fix for this one now, actually

@mheon
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mheon commented Mar 25, 2019

@chpio Specifically, the issue here is that we're not interpreting . and .. (and paths prefixed by those) as relative paths, but trying to use them as volume names. Using `pwd`:$PATH_IN_CONTAINER for now should work around it.

@chpio chpio mentioned this issue Mar 25, 2019
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@github-actions github-actions bot added the locked - please file new issue/PR Assist humans wanting to comment on an old issue or PR with locked comments. label Sep 24, 2023
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@wking @chpio @rhatdan @mheon @openshift-ci-robot