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[#162] netmap: Fix possible panic

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Placement policy is unvalidated external input.
Under no circumstances should we panic here.

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
This commit is contained in:
Evgenii Stratonikov 2023-09-11 15:12:55 +03:00
parent 8bc64e088e
commit 4df642e941
1 changed files with 3 additions and 0 deletions
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3
netmap/netmap.go
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@ -258,6 +258,9 @@ func (m NetMap) ContainerNodes(p PlacementPolicy, pivot []byte) ([][]NodeInfo, e
} }
if p.unique { if p.unique {
if c.processedSelectors[sName] == nil {
return nil, fmt.Errorf("selector not found: '%s'", sName)
}
nodes, err := c.getSelection(*c.processedSelectors[sName]) nodes, err := c.getSelection(*c.processedSelectors[sName])
if err != nil { if err != nil {
return nil, err return nil, err