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Potential race in dependency manager #1496

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hellt opened this issue Aug 4, 2023 · 0 comments
Closed

Potential race in dependency manager #1496

hellt opened this issue Aug 4, 2023 · 0 comments

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@hellt
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hellt commented Aug 4, 2023 

DEBU[0000] node creation graph is successfully validated as being acyclic 
fatal error: concurrent map read and map write

goroutine 74 [running]:
github.com/srl-labs/containerlab/clab/dependency_manager.(*dependencyNode).getStateWG(...)
        /root/srl-labs/containerlab/clab/dependency_manager/dependency_manager.go:72
github.com/srl-labs/containerlab/clab/dependency_manager.(*dependencyNode).WaitFor(0xc000e1a540, 0xc001140db0?)
        /root/srl-labs/containerlab/clab/dependency_manager/dependency_manager.go:80 +0x38
github.com/srl-labs/containerlab/clab/dependency_manager.(*defaultDependencyManager).WaitForNodes(0xc000b620f8, {0xc000524670?, 0x1, 0x0?}, 0x3423460?)
        /root/srl-labs/containerlab/clab/dependency_manager/dependency_manager.go:190 +0x85
github.com/srl-labs/containerlab/clab.(*CLab).CreateLinks.func1(0xc000e43140)
        /root/srl-labs/containerlab/clab/clab.go:523 +0x238
created by github.com/srl-labs/containerlab/clab.(*CLab).CreateLinks
        /root/srl-labs/containerlab/clab/clab.go:510 +0xce
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@steiler @hellt