bionic/linux-gke-5.4: 5.4.0-1045.47~18.04.1 -proposed tracker

RT is good (except for https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1932282 )

This bug was fixed in the package linux-gke-5.4 - 5.4.0-1046.48~18.04.1

---------------
linux-gke-5.4 (5.4.0-1046.48~18.04.1) bionic; urgency=medium

  [ Ubuntu: 5.4.0-1046.48 ]

  * UAF on CAN J1939 j1939_can_recv (LP: #1932209)
    - SAUCE: can: j1939: delay release of j1939_priv after synchronize_rcu
  * UAF on CAN BCM bcm_rx_handler (LP: #1931855)
    - SAUCE: can: bcm: delay release of struct bcm_op after synchronize_rcu
  * focal/linux: 5.4.0-76.85 -proposed tracker (LP: #1932123)
  * Upstream v5.9 introduced 'module' patches that removed exported symbols
    (LP: #1932065)
    - SAUCE: Revert "modules: inherit TAINT_PROPRIETARY_MODULE"
    - SAUCE: Revert "modules: return licensing information from find_symbol"
    - SAUCE: Revert "modules: rename the licence field in struct symsearch to
      license"
    - SAUCE: Revert "modules: unexport __module_address"
    - SAUCE: Revert "modules: unexport __module_text_address"
    - SAUCE: Revert "modules: mark each_symbol_section static"
    - SAUCE: Revert "modules: mark find_symbol static"
    - SAUCE: Revert "modules: mark ref_module static"

linux-gke-5.4 (5.4.0-1045.47~18.04.1) bionic; urgency=medium

  * bionic/linux-gke-5.4: 5.4.0-1045.47~18.04.1 -proposed tracker (LP: #1930015)

  [ Ubuntu: 5.4.0-1045.47 ]

  * focal/linux-gke: 5.4.0-1045.47 -proposed tracker (LP: #1930016)
  * focal/linux: 5.4.0-75.84 -proposed tracker (LP: #1930032)
  * Packaging resync (LP: #1786013)
    - update dkms package versions
  * CVE-2021-33200
    - bpf: Wrap aux data inside bpf_sanitize_info container
    - bpf: Fix mask direction swap upon off reg sign change
    - bpf: No need to simulate speculative domain for immediates
  * Realtek USB hubs in Dell WD19SC/DC/TB fail to work after exiting s2idle
    (LP: #1928242)
    - USB: Verify the port status when timeout happens during port suspend
  * CVE-2020-26145
    - ath10k: drop fragments with multicast DA for SDIO
    - ath10k: add CCMP PN replay protection for fragmented frames for PCIe
    - ath10k: drop fragments with multicast DA for PCIe
  * CVE-2020-26141
    - ath10k: Fix TKIP Michael MIC verification for PCIe
  * CVE-2020-24588
    - mac80211: properly handle A-MSDUs that start with an RFC 1042 header
    - cfg80211: mitigate A-MSDU aggregation attacks
    - mac80211: drop A-MSDUs on old ciphers
    - ath10k: drop MPDU which has discard flag set by firmware for SDIO
  * CVE-2020-26139
    - mac80211: do not accept/forward invalid EAPOL frames
  * CVE-2020-24586 // CVE-2020-24587 // CVE-2020-24587 for such cases.
    - mac80211: extend protection against mixed key and fragment cache attacks
  * CVE-2020-24586 // CVE-2020-24587
    - mac80211: prevent mixed key and fragment cache attacks
    - mac80211: add fragment cache to sta_info
    - mac80211: check defrag PN against current frame
    - mac80211: prevent attacks on TKIP/WEP as well
  * CVE-2020-26147
    - mac80211: assure all fragments are encrypted
  * raid10: Block discard is very slow, causing severe delays for mkfs and
    fstrim operations (LP: #1896578)
    - md: add md_submit_discard_bio() for submitting discard bio
    - md/raid10: extend r10bio devs to raid disks
    - md/raid10: p...