Linux 4.4.191 Release

This post summarizes new features, bugfixes and changes in Linux 4.4.191 kernel release. In total, there are 185740 lines of Linux source code changed/added in Linux 4.4.191 release compared to Linux 4.4 release.

To view the source code of Linux 4.4.191 kernel release online, please check the linux-stable tree for Linux 4.4.191. If you would like to download the release package for Linux 4.4.191, please click: Linux 4.4.191. To download the patchset for Linux 4.4.191 release, please click: Linux 4.4.191 patch.

Linux 4.4.191

This change is authored by Greg Kroah-Hartman <gregkh [at]> on Fri Sep 6 10:18:17 2019 +0200.

Linux 4.4.191

The commit for this change in Linux stable tree is efbc4a3 (patch) which is from upstream commit 61263fb.

All changes in this Linux release are as follows.

  • x86/ptrace: fix up botched merge of spectrev1 fix
  • mac80211: fix possible sta leak
  • Revert “cfg80211: fix processing world regdomain when non modular”
  • VMCI: Release resource if the work is already queued
  • stm class: Fix a double free of stm_source_device
  • mmc: core: Fix init of SD cards reporting an invalid VDD range
  • mmc: sdhci-of-at91: add quirk for broken HS200
  • uprobes/x86: Fix detection of 32-bit user mode
  • ptrace,x86: Make user_64bit_mode() available to 32-bit builds
  • USB: storage: ums-realtek: Whitelist auto-delink support
  • USB: storage: ums-realtek: Update module parameter description for auto_delink_en
  • usb: host: ohci: fix a race condition between shutdown and irq
  • USB: cdc-wdm: fix race between write and disconnect due to flag abuse
  • usb-storage: Add new JMS567 revision to unusual_devs
  • x86/apic: Include the LDR when clearing out APIC registers
  • x86/apic: Do not initialize LDR and DFR for bigsmp
  • KVM: x86: Don’t update RIP or do single-step on faulting emulation
  • ALSA: seq: Fix potential concurrent access to the deleted pool
  • tcp: make sure EPOLLOUT wont be missed
  • ALSA: usb-audio: Fix an OOB bug in parse_audio_mixer_unit
  • ALSA: usb-audio: Fix a stack buffer overflow bug in check_input_term
  • tcp: fix tcp_rtx_queue_tail in case of empty retransmit queue
  • watchdog: bcm2835_wdt: Fix module autoload
  • tools: hv: fix KVP and VSS daemons exit code
  • usb: host: fotg2: restart hcd after port reset
  • usb: gadget: composite: Clear “suspended” on reset/disconnect
  • dmaengine: ste_dma40: fix unneeded variable warning
  • scsi: ufs: Fix NULL pointer dereference in ufshcd_config_vreg_hpm()
  • x86/CPU/AMD: Clear RDRAND CPUID bit on AMD family 15h/16h
  • x86/pm: Introduce quirk framework to save/restore extra MSR registers around suspend/resume
  • Revert “perf test 6: Fix missing kvm module load for s390”
  • netfilter: conntrack: Use consistent ct id hash calculation
  • netfilter: ctnetlink: don’t use conntrack/expect object addresses as id
  • inet: switch IP ID generator to siphash
  • siphash: implement HalfSipHash1-3 for hash tables
  • siphash: add cryptographically secure PRF
  • vhost: scsi: add weight support
  • vhost_net: fix possible infinite loop
  • vhost: introduce vhost_exceeds_weight()
  • vhost_net: introduce vhost_exceeds_weight()
  • vhost_net: use packet weight for rx handler, too
  • vhost-net: set packet weight of tx polling to 2 * vq size
  • net: arc_emac: fix koops caused by sk_buff free
  • GFS2: don’t set rgrp gl_object until it’s inserted into rgrp tree
  • cgroup: Disable IRQs while holding css_set_lock
  • dm table: fix invalid memory accesses with too high sector number
  • dm space map metadata: fix missing store of apply_bops() return value
  • dm btree: fix order of block initialization in btree_split_beneath
  • x86/boot: Fix boot regression caused by bootparam sanitizing
  • x86/boot: Save fields explicitly, zero out everything else
  • x86/apic: Handle missing global clockevent gracefully
  • x86/retpoline: Don’t clobber RFLAGS during CALL_NOSPEC on i386
  • userfaultfd_release: always remove uffd flags and clear vm_userfaultfd_ctx
  • Revert “dm bufio: fix deadlock with loop device”
  • HID: wacom: correct misreported EKR ring values
  • selftests: kvm: Adding config fragments
  • libata: add SG safety checks in SFF pio transfers
  • net: hisilicon: Fix dma_map_single failed on arm64
  • net: hisilicon: fix hip04-xmit never return TX_BUSY
  • net: hisilicon: make hip04_tx_reclaim non-reentrant
  • net: cxgb3_main: Fix a resource leak in a error path in ‘init_one()’
  • NFSv4: Fix a potential sleep while atomic in nfs4_do_reclaim()
  • can: peak_usb: force the string buffer NULL-terminated
  • can: sja1000: force the string buffer NULL-terminated
  • perf bench numa: Fix cpu0 binding
  • isdn: hfcsusb: Fix mISDN driver crash caused by transfer buffer on the stack
  • isdn: mISDN: hfcsusb: Fix possible null-pointer dereferences in start_isoc_chain()
  • net: usb: qmi_wwan: Add the BroadMobi BM818 card
  • ASoC: ti: davinci-mcasp: Correct slot_width posed constraint
  • st_nci_hci_connectivity_event_received: null check the allocation
  • st21nfca_connectivity_event_received: null check the allocation
  • can: dev: call netif_carrier_off() in register_candev()
  • bonding: Force slave speed check after link state recovery for 802.3ad
  • netfilter: ebtables: fix a memory leak bug in compat
  • MIPS: kernel: only use i8253 clocksource with periodic clockevent
  • HID: Add 044f:b320 ThrustMaster, Inc. 2 in 1 DT

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