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| author | Matthew Heon <matthew.heon@pm.me> | 2020-11-11 15:57:06 -0500 |
|---|---|---|
| committer | Matthew Heon <matthew.heon@pm.me> | 2020-11-11 16:06:03 -0500 |
| commit | 0f637e09da85b2aaefa279cfb571b004a2cc6d59 (patch) | |
| tree | b9fcdd548ba1b0064c204fb49d450ac069a776aa /libpod/container_internal.go | |
| parent | dc58d4e2858bf6688a775277adf8f775afc30e73 (diff) | |
| download | podman-0f637e09da85b2aaefa279cfb571b004a2cc6d59.tar.gz podman-0f637e09da85b2aaefa279cfb571b004a2cc6d59.tar.bz2 podman-0f637e09da85b2aaefa279cfb571b004a2cc6d59.zip | |
Ensure we do not double-lock the same volume in create
When making containers, we want to lock all named volumes we are
adding the container to, to ensure they aren't removed from under
us while we are working. Unfortunately, this code did not account
for a container having the same volume mounted in multiple places
so it could deadlock. Add a map to ensure that we don't lock the
same name more than once to resolve this.
Fixes #8221
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
Diffstat (limited to 'libpod/container_internal.go')
| -rw-r--r-- | libpod/container_internal.go | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libpod/container_internal.go b/libpod/container_internal.go index 0aeaae43d..3a8566760 100644 --- a/libpod/container_internal.go +++ b/libpod/container_internal.go @@ -1503,6 +1503,7 @@ func (c *Container) mountStorage() (_ string, deferredErr error) { // config. // Returns the volume that was mounted. func (c *Container) mountNamedVolume(v *ContainerNamedVolume, mountpoint string) (*Volume, error) { + logrus.Debugf("Going to mount named volume %s", v.Name) vol, err := c.runtime.state.Volume(v.Name) if err != nil { return nil, errors.Wrapf(err, "error retrieving named volume %s for container %s", v.Name, c.ID()) |