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Zephyr Kernel 1.11.0

We are pleased to announce the release of Zephyr kernel version 1.11.0.

Major enhancements with this release include:

• Thread-level memory protection on x86, ARC and Arm, userspace and memory domains

• Symmetric Multi Processing (SMP) support on the Xtensa architecture.

• Initial Armv8-M architecture support.

• Native development environment on Microsoft Windows.

• Native build target on POSIX platforms.

• POSIX PSE52 partial support.

• Thread support via integration with OpenThread.

• Firmware over-the-air (FOTA) updates over BLE using MCUmgr.

• Lightweight flash storage layer for constrained devices.

• Additional SoC, platform and driver support for many of the already supported platforms.

The following sections provide detailed lists of changes by component.

Kernel

• Initial Symmetric Multi Processing (SMP) support added:

  • SMP-aware scheduler

  • SMP timer and idling support

  • Available on the Xtensa architecture

• POSIX PSE52 support:

  • Timer, clock, scheduler and pthread APIs

Architectures

• User space and system call related changes:

  • Added ARC user space implementation

  • Added Arm user space implementation

  • Fixed a few MPU related issues with stack guards

• Armv8-M initial architecture support, including the following cores:

  • Arm Cortex-M23

  • Arm Cortex-M33

• New POSIX architecture for native GNU/Linux and macOS build targets:

  • Targets native executables that can be run on the host operating system

Boards

• New native_posix board for the POSIX architecture:

  • Includes a template for hardware models

  • Adds support for console and logging

  • Interrupts and timers are simulated in several different configurations

• Added support for the following Arm boards:

  • adafruit_trinket_m0

  • arduino_zero

  • lpcxpresso54114

  • nrf52_sparkfun

  • nucleo_f429zi

  • stm32f072_eval

  • stm32f072b_disco

• Removed Panther board support, which included boards/x86/panther and boards/arc/panther_ss

• Refactored dts.fixup so common SoC-related fixes are in arch/<*>/soc and board dts.fixup is only used for board-specific items.

Drivers and Sensors

• New LED PWM driver for ESP32 SoC

• Fixed ESP32 I2C driver

• Added I2C master, QSPI flash, and GPIO drivers for nios-II

• Added PinMux, GPIO, serial drivers for LPC54114

• Added PinMux, GPIO, serial, SPI, and watchdog drivers for sam0

• Added APA102 and WS2821B led_strip drivers

• Added native entropy driver

• Moved some sensors to dts

• Added AMG88xx, CCS811, and VL53L0x sensor drivers

• Redefined SENSOR_CHAN_HUMIDITY in percent

Networking

• Generic OpenThread support added

• OpenThread support to nRF5 IEEE 802.15.4 driver added

• NXP MCUX ethernet driver IPv6 multicast join/leave enhancements

• Ethernet STM32 fixes

• IEEE 802.15.4 Sub-GHz TI CC1200 chip support added

• IEEE 802.15.4 test driver (upipe) hw filtering support added

• IEEE 802.15.4 radio API enhancements

• Net loopback driver fixes

• Net management API event enhancements

• IPv6 neighbor addition and removal can be monitored

• Static IPv4 and DHCPv4 configuration enhancements

• Bluetooth IPSP disconnect fix

• Network buffer enhancements

• ICMPv4 and ICMPv6 error checking fixes

• Network interface address handling enhancements

• Add routing support between network interfaces

• LWM2M fixes and enhancements

• Old legacy HTTP API removed

• Old legacy ZoAP API removed

• CoAP fixes

• TCP fixes

• HTTP fixes

• RPL fixes

• Net-app API fixes

• Net-shell fixes

• BSD socket API fixes

Bluetooth

• Multiple fixes to the controller

• Fixed potential connection transmission deadlock issue with the help of a dedicated fragment pool

• Multiple fixes to Mesh support

• Added test automation for Mesh (for tests/bluetooth/tester)

Build and Infrastructure

• Native development environment on Microsoft Windows:

  • Uses CMake and Kconfiglib to avoid requiring an emulation layer

  • Package management support with Chocolatey for simple setup

  • Build time now comparable to Linux and macOS using Ninja

Libraries / Subsystems

• New management subsystem based on the cross-RTOS MCUmgr:

  • Secure Firmware Updates over BLE and serial

  • Support for file system access and statistics

  • mcumgr cross-platform command-line tool

• FCB (File Circular Buffer) lightweight storage layer:

  • Wear-leveling support for NOR flashes

  • Suitable for memory constrained devices

HALs

• Updated Arm CMSIS from version 4.5.0 to 5.2.0

• Updated stm32cube stm32l4xx from version 1.9.0 to 1.10.0

• Updated stm32cube stm32f4xx from version 1.16.0 to 1.18.0

• Added Atmel SAMD21 HAL

• Added mcux 2.2.1 for LPC54114

• Added HAL for VL53L0x sensor from STM

• Imported and moved to nRFx 0.8.0 on Nordic SoCs

• Added QSPI Controller HAL driver

Documentation

• Added MPU specific stack and userspace documentation

• Improved docs for Native (POSIX) support

• Docs for new samples and supported board

• General documentation clarifications and improvements

• Identify daily-built master-branch docs as “Latest” version

• Addressed Sphinx-generated intra-page link issues

• Updated doc generation tools (Doxygen, Sphinx, Breathe, Docutils)

Tests and Samples

• Added additional tests and test improvements for user space testing

Issue Related Items

These GitHub issues were addressed since the previous 1.10.0 tagged release:

• 1082 - build all tests have issues for devices that don’t exist on a given board

• 1281 - spi_ll_stm32 driver does not support stm32f1soc

• 1291 - Initial Posix PSE52 Support

• 1460 - 1.10 Release Checklist

• 1462 - rename nano_internal.h to kernel_internal.h

• 1526 - Bluetooth:mesh:prov_start: Invalid authentication

• 1532 - There are no RISC-V boards in the list of supported boards

• 1727 - Support out-of-tree board definitions

• 1793 - I2S device APIs and Drivers

• 1868 - Build System cleanup and Kernel / Application build separation

• 1877 - Provide single point of notification for new data on multiple sockets.

• 1890 - Memory Management

• 1891 - Native Port

• 1892 - NFC Stack

• 1893 - Unified Kernel

• 1921 - Bluetooth LE 4.2 Hardware Support

• 1926 - build system does not re-link if linker script changed

• 1930 - bluetooth tester shall support logging on Arduino101

• 2007 - C++ compiler flags are not managed correctly

• 2072 - create abstraction layer to directly use Altera HAL drivers for Nios II IP blocks

• 2107 - handle configuration changes with more code coverage

• 2239 - sporadic illegal instruction exception on Nios II in test_errno

• 2244 - LE Controller: remove util folder

• 2280 - Move defaults.tc and .known-issue under tests/

• 2347 - Thread Protocol v1.1 Dependencies on the IP Stack

• 2365 - Port IOT Protocols to the new IP Stack

• 2477 - no unit tests exist for CONFIG_DEBUG_INFO

• 2620 - object files created outside of $O directory when obj-XYZ path is relative

• 2722 - QEMU NIOS2 sporadic FAIL in tests/legacy/kernel/test_timer/nanokernel

• 2760 - Implement Virtual USB ethernet Adapter support

• 2819 - legacy/kernel/test_task_priv randomly fails on EMSK ARC

• 2889 - [ARC] legacy/benchmark/latency_measure not measuring RIRQ/FIRQ

• 2891 - implement _tsc_read equivalent for all architectures

• 2912 - Develop Guideline for Handling Configuration Changes with More Code Coverage

• 2937 - Thread-level Memory Protection Support

• 2939 - Add Xtensa Port

• 2943 - Support for the KW22D512 Kinetis MCU based USB Dongle

• 2971 - I2C High-Speed Mode is not implemented

• 2994 - The build system crashes when GCCARMEMB_TOOLCHAIN_PATH has a space in it

• 3069 - XML encoding/decoding library

• 3081 - Concise Binary Object Representation (CBOR)

• 3083 - I2C problem Zephyr OS sensor example on NRF51 and F401re

• 3127 - IP stack does not implement multicasting requirements of IPv6 RFCs and network driver model lacks features to implement it properly

• 3240 - Unnecessary code footprint bloat due to “static inline”

• 3279 - Reclaiming Memory

• 3283 - Split net_buf parsing context from the actual data

• 3302 - samples/subsys/logging/logger-hook needs to be a test case

• 3308 - [TAHI] No “ICMPv6 error message” is received while sending echo request with parameter problem header

• 3316 - [IPv6 TAHI] Section 1: RFC 2460 - IPv6 Specification

• 3317 - [IPv6 TAHI]Section 4: RFC 1981 - Path MTU Discovery for IPv6

• 3318 - [IPv6 TAHI]Section 5: RFC 4443 - ICMPv6

• 3322 - [IPv6 TAHI] Section 3: RFC 4862 - IPv6 Stateless Address Autoconfiguration

• 3323 - [IPv6 TAHI] Section 2: RFC 4861 - Neighbor Discovery for IPv6

• 3329 - Build warnings [-Wpointer-sign] with LLVM/icx (bluetooth_ipsp)

• 3345 - Missing board documentation for riscv32/zedboard_pulpino

• 3346 - Missing board documentation for riscv32/qemu_riscv32

• 3351 - Missing board documentation for arm/bbc_microbit board

• 3352 - Missing board documentation for arm/nrf51_blenano

• 3439 - IP stack: No MTU handling on send()

• 3440 - IP stack: No TCP receive window handling

• 3483 - Unify STM32 configuration files

• 3546 - Enabling networking for targets w/o network hw causes hang on boot

• 3565 - Symmetric multiprocessing (SMP) for Xtensa architecture

• 3597 - Build warnings [-Wpointer-sign] with LLVM/icx (tests/net/ieee802154/crypto)

• 3614 - cdc-acm error when printing one byte at a time

• 3617 - Build warnings [-Wshift-overflow] with LLVM/icx (K_MEM_POOL_DEFINE)

• 3667 - _IsInIsr doesn’t work properly on Cortex M0

• 3685 - Test suite cleanup and Test Coverage

• 3704 - Move all X86 boards to device tree

• 3707 - intermittent work_queue test failure

• 3712 - RPL client node version bogus incrementation

• 3718 - Mpu stack guard is not set when reaching main

• 3747 - tests/kernel/mem_slab/test_mslab_threadsafe/testcase.ini#test type:qemu-zephyr-arm

• 3809 - Build warnings [-Wimplicit-function-declaration] with LLVM/icx (tests/drivers/pci_enum)

• 3833 - make device_get_binding() more efficient

• 3834 - CDC_ACM is limited to 4 bytes at a time for Arduino 101

• 3838 - Some tests end up with 0 platforms due to bad filtering

• 3850 - SPI fails on Nucleo_f334r8

• 3855 - Support board files located in application directory

• 3856 - LwM2M: Support write attributes (section 5.4.4 of spec)

• 3858 - Enable OpenThread support for Zephyr

• 3859 - Create OpenThread platform adaptation for Zephyr

• 3860 - Create OpenThread network interface driver

• 3862 - Verify that the OpenThread requirements are fulfilled by Zephyr 15.4 radio driver

• 3870 - Create a shell to configure OpenThread stack

• 3872 - build on windows failed ” error: unrecognized command line option ‘-no-pie’”

• 3918 - Build error [use of undeclared identifier]with LLVM/icx (samples/net/nats)

• 4000 - xtensa-vectors.S builds wrong versions of ISRs based on HAL information

• 4010 - [CID: 174928]: Control flow issues in /tests/kernel/mem_slab/mslab/src/slab.c

• 4025 - Upgrade to TinyCrypt 0.2.7 has significant API changes

• 4045 - convert to ztest for files in tests/kernel

• 4105 - Sensors: move all the drivers using SPI bus to new SPI API

• 4106 - Flash: move w25qxxdv driver to new SPI API

• 4216 - samples:net:sockets:echo : communication blocks between client and server after few packets transmission

• 4351 - arduino_101: USB device is not listed after flashing with a Zephyr sample

• 4401 - tests/net/ipv6/test.yaml :–Cannot add multicast IPv6 address

• 4445 - sanitycheck –platform-limit is broken

• 4513 - parsetab.py is getting corrupted when multiple instance of sanitycheck is executed simultaneously

• 4549 - tests/crypto/mbedtls/testcase.yaml#test :Build failed

• 4566 - k_busy_wait( ) gives compilation error when CONFIG_SYS_CLOCK_TICKS_PER_SEC is set to 0

• 4568 - dts generation incorrect

• 4576 - no testcase.yaml for tests/drivers/spi/spi_loopback

• 4578 - tests/net/socket/udp/testcase.yaml#test : Build failed on esp32

• 4596 - tests/net/mgmt/testcase.yaml#test :failed due to un-handled exception

• 4597 - tests/drivers/ipm/testcase.yaml#test :unable to print the Expected output

• 4603 - sanitycheck either conceals information from user or spams it

• 4606 - usb mass storage : config waits for Vendor ID and Product ID from user during building

• 4633 - Implement flash page layout api in the Kinetis flash driver

• 4635 - xtensa-esp32-elf-gcc.exe: error: unrecognized command line option ‘-no-pie’

• 4653 - net: tcp->recv_max_ack isn’t used

• 4666 - x86 device trees need interrupt controller nodes

• 4687 - Windows: Remove all dependencies on MSYS2

• 4699 - PWM LED Driver for ESP32

• 4705 - tests/net/socket/tcp/ undefined reference to __getreent

• 4709 - tests/kernel/fatal/testcase.yaml#stack-sentinel : Kernel Panic

• 4724 - sanitycheck build_only option can be confusing

• 4772 - doc: add contributing info about shippable failures

• 4777 - need a testcase for version number of the kernel and version.h

• 4779 - net: tcp: FIN isn’t sent when performing active close.

• 4826 - Bluetooth IPSP example does not reach main() on qemu_cortex_m3

• 4828 - device tree: Introduce bus objects (i2c-device)

• 4851 - cmake does not show verbose output of build tools

• 4885 - cmake: IS_TEST guessing gets thrown off by symlinks

• 4924 - dumb_http_server pollutes the source directory

• 4934 - net: 15.4 network interfaces use incorrect MTU setting of 127

• 4941 - LwM2M: support discovery other than ‘/’

• 4983 - ARMv8-M basic support

• 4989 - Bluetooth: PTS fails to connect to Zephyr

• 5010 - changes to included linker scripts are not picked up by the build system

• 5017 - Genuino/Arduino 101 Sensor Sample BMI160: Gyro Device not found

• 5091 - MPU fault at drivers/flash/soc_flash_nrf5.c:493 with NFFS enabled on nrf52840_pca10056

• 5101 - LwM2M: device hang after requesting a firmware update to a loopback device IP

• 5109 - yaml: fix key/value syntax to ‘mapping’ instead of ‘series’

• 5130 - include guards missing in toolchain/gcc.h and toolchain/common.h

• 5136 - “Distinguishing Features” section in docs is outdated and needs an update

• 5143 - Cmake ignores setting CONFIG_ETH_MCUX_0=n in prj.conf

• 5148 - Lightweight flash storage layer

• 5162 - Reduce duplication in UUID definitions?

• 5184 - kernel system call handlers missing due to -Wl,–no-whole-archive

• 5221 - Build doesn’t fail if total RAM usage is greater than the RAM available on the board

• 5226 - Compiling with -O0 causes the kobject text area to exceed the limit (linker error)

• 5228 - The build fails when building echo_server with nrf52840_pca10056

• 5240 - I2C is enabled by default on ESP32

• 5247 - Object tracing test case fails in NRF boards

• 5256 - _nano_tick_delta, sys_tick_delta, sys_tick_delta_32: not used or tested

• 5270 - Not all IEEE802154_MCR20A_RAW references were removed

• 5282 - net: IPv6 DAD is incorrect, wouldn’t work (“always succeed”) on mcast medium like Ethernet

• 5283 - reference to non-existing functions in arch/x86/core/intstub.S

• 5305 - flash: use generated FLASH_WRITE_BLOCK_SIZE in flash_stm32_api

• 5317 - IPSP deadlock during disconnect -> net_if_down

• 5326 - IPSP ping fails

• 5328 - build system should try and create conf if not found for non-zephyr SDK

• 5334 - CMake: Ninja support is broken

• 5345 - Cmake: ext: Header file include error: No such file or directory

• 5348 - rom_report is broken for some environments

• 5351 - Some libraries should automatically be linked with ‘app’

• 5355 - qemu_x86/qemu_x86_nommu hangs on big executable files

• 5370 - [Coverity CID: 180699] Error handling issues in /tests/bluetooth/tester/src/gatt.c

• 5374 - merge_config.sh can behave differently from merge_config.py

• 5379 - sample: net/socket/http_get: no printf output

• 5382 - P2P Device Firmware Update (FOTA) over BLE and Serial

• 5391 - drivers: stm32 clock control: F0 Series with PREDIV1 Support uses wrong PLLSOURCE define for HSI clock

• 5401 - delta_ticks_from_prev become negative and waiting tasks never scheduled

• 5406 - UART1 on STM32F0 Series not working: errors in makro to enable clock

• 5418 - Provide a python based replacement for gperf

• 5419 - Provide a python based kconfig processing script, replacement for conf/mconf..

• 5428 - can not build for esp32

• 5444 - bluetooth controller fails when building with -Wshadow

• 5448 - STM32: Entropy test could not build

• 5449 - STM32: provide default configuration for entropy sample

• 5453 - gitlint should allow tabs in commit messages

• 5458 - [ESP32] Make error

• 5466 - sanitycheck: “CMake Error: : System Error: File name too long”

• 5467 - NFFS file system does no build when newlib libc is used

• 5471 - cmake errors at -B containing @

• 5476 - Native port (posix) to write own PID into a file

• 5477 - Native port (posix) to support receiving signals

• 5483 - Native port (POSIX) should accept command-line arguments

• 5484 - net: ARP/ND: Possibility for deadlocks and DoS

• 5486 - Bluetooth: Cannot connect to prevoiusly disconnected device when BT_PRIVACY is enabled

• 5488 - target_ld_options will apply flags that should be skipped

• 5493 - NFFS does not work with STM32L4 devices due to flash restrictions

• 5497 - cmake: allow to link external libraries with –whole-archive

• 5499 - config BT_CTLR_DEBUG_PINS

• 5504 - net: Incorrect logic for TCP “ackerr” statistics

• 5530 - [Coverity CID: 181848] Null pointer dereferences in /subsys/bluetooth/host/mesh/access.c

• 5531 - [Coverity CID: 181847] Incorrect expression in /samples/drivers/crypto/src/main.c

• 5539 - tests/kernel/fatal/stack-sentinel fails when asserts are enabled

• 5546 - (Stupid) questions about coverage reports

• 5548 - coverage should be collected from code built with -O0

• 5557 - Cloning Zephyr with git’s core.autocrlf=true leads to obscure errors

• 5565 - net: Kconfig: NET_BUF_LOG and NET_BUF_SIMPLE_LOG unrightly select STDOUT_CONSOLE

• 5566 - kconfig: STDOUT_CONSOLE unrightly stuffed under subsys/debug

• 5576 - None of the :github:’XYZ’ links work in the 1.10 release notes

• 5589 - Issue with using generic gcc cross compile with cmake

• 5601 - docs for cc3220sf_launchxl are out of date/incorrect

• 5608 - Bluetooth LE continuous scan weird behaviour

• 5619 - zephyr.git/tests/misc/test_build/testcase.yaml#test_newlib @ esp32:xtensa BUILD failed

• 5626 - Building samples failed

• 5640 - MacOS compile error with -std=gnu89

• 5645 - build failures with asserts enabled/newlib: arch/arm/core/cortex_m/mpu/nxp_mpu.c

• 5646 - userbuffer_validate test fails with double fault if CONFIG_USERSPACE disabled

• 5650 - i2c driver test on ESP32 fails with error

• 5651 - [In Progress] arch: arm: linkder: vt must be linked at address 0x00000000 for Cortex-M0

• 5660 - doc: make: make htmldocs fails in genrest.py/kconfiglib.py

• 5673 - kconfig regression: Existing configuration is overwritten on reconfiguration

• 5687 - docs: Confusing treatment of “Sensor Drivers” in Zephyr subsystem docs

• 5692 - sensors: struct sensor_value::val2 is confusingly defined

• 5693 - sensors: SENSOR_CHAN_HUMIDITY confusingly defined in “milli percent”, SENSOR_CHAN_DISTANCE inconsistently defined in millimeters

• 5696 - net_app: Static vs DHCPv4 behavior appears to be not as described

• 5699 - Zephyr installs a broken pyOCD

• 5717 - CONTRIBUTING instructions are Linux-specific and don’t work for Windows

• 5719 - need a zephyr-env.sh equivalent for Windows developers

• 5720 - Add CONFIG_NOOPTIMIZATIONS option

• 5722 - dts board configuration is incompatible with “build all” kind of test

• 5724 - [Windows] Instructions for setting up a bash-less environment uses bashisms

• 5726 - CI should use the same generator as the sanitycheck default

• 5737 - [Coverity CID: 182195] Error handling issues in /subsys/fs/fcb/fcb_walk.c

• 5740 - [Coverity CID: 181923] Incorrect expression in /subsys/bluetooth/controller/ll_sw/ctrl.c

• 5741 - [Coverity CID: 181922] Incorrect expression in /subsys/bluetooth/controller/ll_sw/ctrl.c

• 5743 - Windows and Linux are writing .config files with options re-ordered

• 5749 - Exception and Interrupt vector forwarding

• 5753 - Bluetooth: controller: In nRF5 radio. c RATEBOOST event not cleared in ISRs

• 5755 - Support flash in jlink runner

• 5756 - MCUboot-compatible builds in Zephyr

• 5760 - doc: device.h defines device_power_management_api group twice

• 5761 - NRF5 BLE radio driver: PPI18 is cleared unconditionally

• 5762 - Windows 10 WSL does not supports Native POSIX Boards

• 5766 - boards: nucleo_f413zh: Likely outdated OpenOCD info in docs

• 5771 - Linking issues with host cross compile with cmake

• 5772 - sanitycheck crashes if ZEPHYR_BASE has symlinks in its path

• 5778 - Add/fix flash controller nodes for NXP kinetis SoCs

• 5779 - bluetooth test_controller_4_0 fails to build on nrf52840_pca10056

• 5784 - make rom_report fails for qemu_x86 (not finding zephyr.bin)

• 5794 - wiki/Development-Model is out of date

• 5808 - msys2 getting started instructions are missing Ninja install step

• 5817 - socket.h: Using #define for POSIX redefinition of zsock_ functions has unintended consequences

• 5821 - [MSYS2] Unable to build Zephyr

• 5823 - Bluetooth: Collision during Start Encryption procedure

• 5836 - spi: stm32: convert remaining boards that support SPI to using dts

• 5853 - Using newlibc in a project breaks ‘rom_report’ and ‘ram_report’ targets.

• 5866 - ram_report not working for qemu targets

• 5877 - sensors: Cleanup Kconfig for address, driver & bus name

• 5881 - enabling THREAD_MONITOR causes tests to fail

• 5886 - [Coverity CID: 182602] Integer handling issues in /drivers/interrupt_controller/system_apic.c

• 5887 - [Coverity CID: 182597] Control flow issues in /drivers/sensor/vl53l0x/vl53l0x.c

• 5888 - [Coverity CID: 182594] Control flow issues in /drivers/sensor/lsm6ds0/lsm6ds0.c

• 5889 - [Coverity CID: 182593] Control flow issues in /drivers/sensor/vl53l0x/vl53l0x.c

• 5890 - [Coverity CID: 182588] Integer handling issues in /drivers/sensor/hts221/hts221.c

• 5903 - Code coverage reports seem wrong

• 5919 - Remove obsolete FLASH_DRIVER_NAME

• 5938 - Incorrectly reported coverage changes

• 5952 - API k_delayed_work_submit_to_queue() make a delayed_work unusable

• 5958 - “Ninja flash” swallows user prompts

• 5968 - datastructure for LIFO

• 5982 - nRF5x subscribe will cause HardFault while disconnect and reconnect

• 5989 - workstation setup instructions are broken for Fedora

• 5992 - doc: Discrepancy in Zephyr memory domain API documentation

• 5994 - samples/bluetooth/ipsp: build failed for MICRO-BIT & NRF51-PCA10028 HW

• 5996 - Need a “ps aux” like command to list all running threads and their attributes

• 6010 - Removal of old HTTP API is causing errors and faults

• 6013 - updated workstations setup breaks FC27

• 6023 - Bluetooth: Invalid behaviour of Transport Layer after Incomplete timer expiration

• 6025 - mbedTLS: Buffer overflow security issue, requires upgrade to 2.7.0

• 6050 - IPSP sample failed: Cannot bind IPv6 mcast (-2)

• 6062 - build failure in tests/boards/altera_max10/i2c_master with sys log enabled

• 6064 - k_is_in_isr() returns false inside “direct” interrupts on several arches

• 6081 - echo server crash from corrupt ICMPv4 packet

• 6083 - Bluetooth: Regression in MESH tests

• 6091 - [Coverity CID: 182780] Error handling issues in /samples/net/sockets/http_get/src/http_get.c

• 6092 - [Coverity CID: 182779] Memory - corruptions in /drivers/flash/soc_flash_nios2_qspi.c

• 6102 - [Coverity CID: 182769] Error handling issues in /subsys/bluetooth/host/mesh/beacon.c

• 6121 - doc: unit tests documentation refers to non existing sample code

• 6127 - net: Semantics of CONFIG_NET_BUF_POOL_USAGE changed (incorrectly)

• 6131 - mbedtls: Name of config-mini-tls1_2.h contradicts description

• 6135 - build error with gcc 7.3

• 6164 - timer: cortex_m: Incorrect read of clock cycles counter after idle tickless period

• 6185 - [MSYS2] Unable to build hello_world sample

• 6194 - K64F ethernet regression since f7ec62eb

• 6197 - echo server crash from corrupt ICMPv6 packet

• 6204 - bluetooth controller: crc init is not random

• 6217 - echo server crash from corrupt ICMPv6 NS packet

• 6229 - Bluetooth, nRF51: ticker_success_assert during flash erase

• 6231 - samples/bluetooth/eddystone: failed to connect with central device

• 6232 - samples/bluetooth/central_hr: Run time HARD fault occurs

• 6233 - samples/bluetooth/central: Run time HARD fault occurs

• 6235 - echo server crash from ICMPv6 NS source link layer address anomaly

• 6238 - spi: stm32f0 IRQ priority is invalid

• 6240 - “Previous execution” and “Next execution” display problem.

• 6257 - test, please ignore

• 6261 - [Coverity CID: 182887] Control flow issues in /drivers/gpio/gpio_esp32.c

• 6263 - ARC: Implement userspace

• 6264 - ARM: Implement Userspace

• 6279 - Add doc to samples/bluetooth/mesh & samples/bluetooth/mesh_demo

• 6284 - docs.zephyrproject.org should be served with HTTPS

• 6309 - Non-blocking BSD sockets not working as expected

• 6312 - The shell sample does not working on k64f board

• 6315 - echo server crash from malformed ICMPv6 NA

• 6322 - shell crashes when enter is pressed

• 6323 - “SPI master port SPI_1 not found* when porting spi ethernet device enc28j60 on stm32_min_dev board

• 6324 - doc: Project coding standards: page not found

• 6333 - How do I implement GPIO on the f429zi board?

• 6339 - samples/drivers/gpio Sample doesn’t work on ESP32 after SMP support was added

• 6346 - ESP-32 preemption regressions with asm2

• 6382 - echo server: crash from unsolicited RA reachable time anomaly

• 6393 - echo server: crash from NS flood

• 6429 - How to add custom driver subdirectory to application project?

• 6432 - daily doc build pages don’t indicate their version

• 6439 - ESP32 doesn’t compile in master

• 6444 - tests/kernel/mem_protect/obj_validation/ fails to build

• 6455 - k_sleep() fails on ESP32 sometimes

• 6469 - tests/crypto/ecc_dsa results in FATAL EXCEPTION on esp32

• 6470 - tests/crypto/ecc_dh results in FATAL EXCEPTION on esp32

• 6471 - tests/crypto/aes results in Assertion failure on esp32

• 6472 - tests/crypto/sha256 results in Assertion failure on esp32

• 6505 - Userspace support: stack corruption for ARC em7d v2.3