* Fix issue in Portworx volume driver causing controller manager to crash ([#76341](https://github.com/kubernetes/kubernetes/pull/76341), [@harsh-px](https://github.com/harsh-px))
* fix azure disk list corruption issue ([#77187](https://github.com/kubernetes/kubernetes/pull/77187), [@andyzhangx](https://github.com/andyzhangx))

    * Add ABRT support. ([#105](https://github.com/kubernetes/node-problem-detector/pull/105), [@juliusmilan](https://github.com/juliusmilan))

    * Add a docker image corruption problem detection in the default docker monitor config. ([#117](https://github.com/kubernetes/node-problem-detector/pull/117), [@ajitak](https://github.com/ajitak))

  * Upgrade CAdvisor to v0.26.1. New features added:

* Ensure the backend pools are set correctly for Azure SLB with multiple backend pools (e.g. outbound rules) ([#76691](https://github.com/kubernetes/kubernetes/pull/76691), [@feiskyer](https://github.com/feiskyer))
* fix azure disk list corruption issue ([#77187](https://github.com/kubernetes/kubernetes/pull/77187), [@andyzhangx](https://github.com/andyzhangx))

### Other notable changes

* Kubemark scripts have been fixed for IKS clusters. ([#76909](https://github.com/kubernetes/kubernetes/pull/76909), [@Huang-Wei](https://github.com/Huang-Wei))
* fix azure disk list corruption issue ([#77187](https://github.com/kubernetes/kubernetes/pull/77187), [@andyzhangx](https://github.com/andyzhangx))

- Fix concurrent map access causing panics when logging timed-out API calls. (#106113, @marseel) [SIG API Machinery]
- Fixed very rare volume corruption when a pod is deleted while kubelet is offline.

* In GCE, add measures to prevent corruption of known_tokens.csv. ([#49897](https://github.com/kubernetes/kubernetes/pull/49897), [@mikedanese](https://github.com/mikedanese))

          }
        }
      }
    }
  }

  /**
   * Eagerly reads `byteCount` bytes from the source before launching a background task to
   * process the data.  This avoids corrupting the stream.
   */
  @Throws(IOException::class)
  internal fun pushDataLater(
    streamId: Int,
    source: BufferedSource,
    byteCount: Int,
    inFinished: Boolean,
  ) {

  /**
   * CycleDetectingLock implementations must call this method in a {@code finally} clause after any
   * attempt to change the lock state, including both lock and unlock attempts. Failure to do so can
   * result in corrupting the acquireLocks set.
   */
  private static void lockStateChanged(CycleDetectingLock lock) {
    if (!lock.isAcquiredByCurrentThread()) {

* Use gcr.io as a Docker registry mirror when setting up a cluster in GCE. ([#25841](https://github.com/kubernetes/kubernetes/pull/25841), [@ojarjur](https://github.com/ojarjur))
* correction on rbd volume object and defaults ([#25490](https://github.com/kubernetes/kubernetes/pull/25490), [@rootfs](https://github.com/rootfs))

- Cordoned nodes are now deregistered from AWS target groups. ([#85920](https://github.com/kubernetes/kubernetes/pull/85920), [@hoelzro](https://github.com/hoelzro)) [SIG Cloud Provider]
- Fixed FibreChannel volume plugin corrupting filesystems on detach of multipath volumes. ([#97013](https://github.com/kubernetes/kubernetes/pull/97013), [@jsafrane](https://github.com/jsafrane)) [SIG Storage]