kill process group when container hangs under NoProcessSandbox - #7087
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kill process group when container hangs under NoProcessSandbox#7087dany74q wants to merge 1 commit into
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Signed-off-by: Danny Hershko Shemesh <danny@wiz.io>
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Under --oci-worker-no-process-sandbox,
runc killonly SIGKILLs the in-container init: the container shares the host pid namespace, so subprocesses survive it, and rootless runc cannot enumerate them without cgroups (opencontainers/runc#4398). Survivors keep the container's IO open,runc runnever returns, and the solve never completes. See #4483 and #2855.The fix passes a pidfile to
runc rununder NoProcessSandbox and, when the process has not ended within the existing grace after Kill, SIGKILLs its process group.