libcontainer: intelrdt: fix null intelrdt path issue in Destroy() #1955
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This patch fixes a corner case when destroy a container: If we start a container without 'intelRdt' config set, and then we run “runc update --l3-cache-schema/--mem-bw-schema” to add 'intelRdt' config implicitly. Now if we enter "exit" from the container inside, we will pass through linuxContainer.Destroy() -> state.destroy() -> intelRdtManager.Destroy(). But in IntelRdtManager.Destroy(), IntelRdtManager.Path is still null string, it hasn’t been initialized yet. As a result, the created rdt group directory during "runc update" will not be removed as expected. Signed-off-by: Xiaochen Shen <[email protected]>
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LGTM |
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LGTM |
This was referenced Feb 2, 2019
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This patch fixes a corner case when destroy a container:
If we start a container without 'intelRdt' config set, and then we run
“runc update --l3-cache-schema/--mem-bw-schema” to add 'intelRdt' config
implicitly.
Now if we enter "exit" from the container inside, we will pass through
linuxContainer.Destroy() -> state.destroy() -> intelRdtManager.Destroy().
But in IntelRdtManager.Destroy(), IntelRdtManager.Path is still null
string, it hasn’t been initialized yet. As a result, the created rdt
group directory during "runc update" will not be removed as expected.
Signed-off-by: Xiaochen Shen [email protected]