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98587127da5356bc4f76ac1589ead1e84145a277
kubernetes/pkg/kubelet
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Francesco Romani 369416b763 cm: handle nil cpumanager avoiding segfault 
If the cpumanager feature gate is disabled, the corresponsing field
of the containerManager will be nil.
A couple functions don't check for this occurrence and happily
deference the pointer unconditionally, leading to possible segfaults.

The relevant functions were introduced to support the podresources API,
so to trigger this segfault all the following are needed:
- cpumanager feature gate has to be disabled explicitely
- any podresources API must be called

Worth pointing out that when the new functions were introduced (around
kubernetes 1.20) the default feature gate for cpumanager was already set
to true, hence this bug is expected to be triggered rarely.

Signed-off-by: Francesco Romani <fromani@redhat.com>
2021-06-10 16:22:43 +02:00
..
apis
Merge pull request #95734 from fromanirh/podresources-concrete-resources-apis
2021-03-09 14:29:04 -08:00
cadvisor
disable collecting of accelerator metrics and exposing it for containerd
2021-04-30 22:16:34 +00:00
certificate
Add test cases to the LoadClientConfig function
2021-06-02 15:22:00 +00:00
checkpointmanager
hack/update-bazel.sh
2021-02-28 15:17:29 -08:00
client
hack/update-bazel.sh
2021-02-28 15:17:29 -08:00
cloudresource
Apply suggestions from code review
2021-03-05 23:59:23 +05:30
cm
cm: handle nil cpumanager avoiding segfault
2021-06-10 16:22:43 +02:00
config
Pre-allocated memory
2021-06-01 15:19:44 +08:00
configmap
reduce configmap and secret watch of kubelet
2021-03-08 16:55:39 +08:00
container
Merge pull request #101480 from yuzhiquan/little-nit-for-kubelet
2021-05-24 21:49:05 -07:00
cri
Merge pull request #100175 from changshuchao/testcase_utils
2021-04-08 20:28:22 -07:00
custommetrics
hack/update-bazel.sh
2021-02-28 15:17:29 -08:00
dockershim
Update pause image to v3.5
2021-05-25 09:04:46 +02:00
envvars
hack/update-bazel.sh
2021-02-28 15:17:29 -08:00
events
hack/update-bazel.sh
2021-02-28 15:17:29 -08:00
eviction
Merge pull request #99095 from maxlaverse/fix_kubelet_stuck_in_diskpressure
2021-04-23 18:23:14 -07:00
images
Merge pull request #99994 from AfrouzMashayekhi/sl-cmd-kubelet
2021-03-16 14:49:56 -07:00
kubeletconfig
cleanup tempDir after fsstore_test.go
2021-05-27 10:10:08 +08:00
kuberuntime
Merge pull request #101480 from yuzhiquan/little-nit-for-kubelet
2021-05-24 21:49:05 -07:00
leaky
hack/update-bazel.sh
2021-02-28 15:17:29 -08:00
legacy
hack/update-bazel.sh
2021-02-28 15:17:29 -08:00
lifecycle
Scheduler: remove pkg/features dependency from NodeResources plugins
2021-05-18 08:59:02 -04:00
logs
Merge pull request #99680 from CaoDonghui123/fixissues4
2021-05-24 16:18:20 -07:00
metrics
update kubelet_running_pods metrics comments: pods that have a running pod sandbox
2021-04-29 11:05:52 +08:00
network
Add feature gate ExpandedDNSConfig
2021-05-27 07:10:13 +09:00
nodeshutdown
pkg/kubelet/nodeshutdown/systemd: fix for dbus 5.0.4
2021-05-19 23:51:57 -07:00
nodestatus
fix_change_error_to_info
2021-04-21 10:35:23 +02:00
oom
Merge pull request #99479 from mengjiao-liu/migrate_to_structured_logs
2021-03-11 17:28:33 -08:00
pleg
Merge pull request #101308 from pacoxu/doc-kubelet-running-pods
2021-05-26 03:17:20 -07:00
pluginmanager
migrate pkg/kubelet/pluginmanager to structured logging
2021-03-10 15:44:16 +08:00
pod
change log line to print actual pod uid instead of address of the pod uid
2021-05-26 20:32:32 +05:30
preemption
migrate kubelet/preemption and kubelet/logs to structured logging
2021-03-06 13:13:18 +08:00
prober
fix manual trigger of readinessProbe on startupProbe success
2021-05-05 11:21:40 +02:00
qos
Only system-node-critical pods should be OOM Killed last
2021-03-03 16:34:27 -05:00
runtimeclass
hack/update-bazel.sh
2021-02-28 15:17:29 -08:00
secret
reduce configmap and secret watch of kubelet
2021-03-08 16:55:39 +08:00
server
Add SupportsMetrics() for Block-mode volumes
2021-05-20 17:10:23 +02:00
stats
Merge pull request #101712 from SergeyKanzhelev/disableAcceleratorUsageMetricsOnContainerd
2021-05-17 13:39:51 -07:00
status
Optimization logging format for pkg/kubelet
2021-05-25 08:52:08 +08:00
sysctl
hack/update-bazel.sh
2021-02-28 15:17:29 -08:00
token
Merge pull request #99264 from palnabarun/structured-logging-pkg/kubelet/token
2021-03-08 19:23:11 -08:00
types
Only system-node-critical pods should be OOM Killed last
2021-03-03 16:34:27 -05:00
util
Merge pull request #99823 from navidshaikh/pr/slog-k-utils
2021-03-08 16:27:28 -08:00
volumemanager
Optimization logging format for pkg/kubelet
2021-05-25 08:52:08 +08:00
winstats
Merge pull request #99855 from hexxdump/master
2021-03-17 00:46:56 -07:00
active_deadline_test.go
…
active_deadline.go
…
doc.go
…
errors.go
…
kubelet_dockerless_test.go
basic regression test of runDockershim
2020-06-16 10:08:22 -07:00
kubelet_dockershim_nodocker.go
Clarify kubelet_dockershim_nodocker error message
2020-05-10 10:22:56 -04:00
kubelet_dockershim.go
Structured Logging migration: modify dockershim and network part logs of kubelet.
2021-02-14 16:01:47 +08:00
kubelet_getters_test.go
delete tests which use container manager stub
2020-08-19 10:07:36 +09:00
kubelet_getters.go
pkg/kubelet: improve the node informer sync check
2021-04-21 22:46:27 +03:00
kubelet_network_linux.go
Structured Logging migration: modify dockershim and network part logs of kubelet.
2021-02-14 16:01:47 +08:00
kubelet_network_others.go
…
kubelet_network_test.go
kubelet, kube-proxy: unmark packets before masquerading them
2020-06-15 18:45:38 -04:00
kubelet_network.go
Structured Logging migration: modify dockershim and network part logs of kubelet.
2021-02-14 16:01:47 +08:00
kubelet_node_status_others.go
…
kubelet_node_status_test.go
Move pkg/kubelet/apis to k8s.io/kubelet/pkg/apis
2021-02-09 21:37:39 +01:00
kubelet_node_status_windows.go
…
kubelet_node_status.go
Merge pull request #98154 from yangjunmyfm192085/run-test
2021-03-11 17:28:18 -08:00
kubelet_pods_linux_test.go
Windows: Fixes /etc/hosts file mounting support for containerd
2021-01-30 04:54:42 -08:00
kubelet_pods_test.go
Add unit test coverage for init container phases
2021-06-02 17:37:51 -07:00
kubelet_pods_windows_test.go
Windows: Fixes /etc/hosts file mounting support for containerd
2021-01-30 04:54:42 -08:00
kubelet_pods.go
Merge pull request #101633 from llhuii/kubelet/remove-redundant-code
2021-06-02 13:42:43 -07:00
kubelet_resources_test.go
…
kubelet_resources.go
Migrate pkg/kubelet/kubeletconfig to Structured Logging
2021-03-15 15:42:34 -07:00
kubelet_test.go
kubelet: Fix test order in verifyContainerStatuses
2021-06-04 16:04:10 -07:00
kubelet_volumes_linux_test.go
Add tests for populated volumes
2021-02-01 20:10:34 +01:00
kubelet_volumes_test.go
Add SupportsMetrics() for Block-mode volumes
2021-05-20 17:10:23 +02:00
kubelet_volumes.go
kubelet: do not cleanup volumes if pod is being killed
2021-04-29 11:49:58 -05:00
kubelet.go
Optimization logging format for pkg/kubelet
2021-05-25 08:52:08 +08:00
OWNERS
Add klueska as an approver in pkg/kubelet/OWNERS
2021-02-09 21:43:35 +01:00
pod_container_deletor_test.go
fix golint issues in pkg/kubelet/container
2020-06-19 15:48:08 +00:00
pod_container_deletor.go
Structured Logging migration: modify volume and container part logs of kubelet.
2021-03-17 08:59:03 +08:00
pod_workers_test.go
Fix int->string casts
2020-07-24 16:23:12 -04:00
pod_workers.go
comment should have function name as prefix
2021-04-28 15:26:46 +08:00
reason_cache_test.go
…
reason_cache.go
…
runonce_test.go
feature: add CSIVolumeHealth feature and gate
2021-03-10 01:16:37 +09:00
runonce.go
Structured Logging migration: modify volume and container part logs of kubelet.
2021-03-17 08:59:03 +08:00
runtime.go
[pkg/kubelet]: make func a little comfortable
2020-03-31 16:47:32 +08:00
time_cache_test.go
Ensure runtimeCache contains all observed started containers on pod delete
2020-07-21 15:54:29 -04:00
time_cache.go
Fix misusage of RLock in timeCache lru.Cache.Get()
2020-09-13 21:08:19 +08:00
volume_host.go
Structured Logging migration: modify volume and container part logs of kubelet.
2021-03-17 08:59:03 +08:00