On Mon, 26 Sept 2022 at 16:13, Greg Kroah-Hartman gregkh@linuxfoundation.org wrote:
This is the start of the stable review cycle for the 5.19.12 release. There are 207 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.
Responses should be made by Wed, 28 Sep 2022 10:07:26 +0000. Anything received after that time might be too late.
The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.19.12-rc1... or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.19.y and the diffstat can be found below.
thanks,
greg k-h
Results from Linaro's test farm. No regressions on arm, x86_64, and i386. Following deadlock warning noticed on arm64 with kselftests Kconfigs.
Tested-by: Linux Kernel Functional Testing lkft@linaro.org
NOTE: Following kernel boot warning noticed on arm64 bcm2711-rpi-4-b, dragonboard-845c and devices with kselftest Kconfigs [1].
[ 51.802754] ====================================================== [ 51.809016] WARNING: possible circular locking dependency detected [ 51.815280] 5.19.12-rc1 #1 Not tainted [ 51.819078] ------------------------------------------------------ [ 51.825340] kworker/u9:0/170 is trying to acquire lock: [ 51.830635] ffff000044f1b048 (&hdev->req_lock){+.+.}-{3:3}, at: scan_update_work+0x2c/0x70 [bluetooth] [ 51.840186] [ 51.840186] but task is already holding lock: [ 51.846095] ffff80000c563dd0 ((work_completion)(&hdev->scan_update)){+.+.}-{0:0}, at: process_one_work+0x1e8/0x6d4 [ 51.856610] [ 51.856610] which lock already depends on the new lock. [ 51.856610] [ 51.864898] [ 51.864898] the existing dependency chain (in reverse order) is: [ 51.872482] [ 51.872482] -> #1 ((work_completion)(&hdev->scan_update)){+.+.}-{0:0}: [ 51.880603] lock_acquire+0x84/0xa0 [ 51.884668] __flush_work+0x88/0x510 [ 51.888820] __cancel_work_timer+0x150/0x1d0 [ 51.893678] cancel_work_sync+0x28/0x40 [ 51.898094] hci_request_cancel_all+0x38/0x110 [bluetooth] [ 51.904265] hci_dev_close_sync+0x3c/0x620 [bluetooth] [ 51.910071] hci_dev_do_close+0x38/0x80 [bluetooth] [ 51.915600] hci_power_off+0x2c/0x70 [bluetooth] [ 51.920870] process_one_work+0x280/0x6d4 [ 51.925472] worker_thread+0x7c/0x430 [ 51.929711] kthread+0x108/0x114 [ 51.933509] ret_from_fork+0x10/0x20 [ 51.937660] [ 51.937660] -> #0 (&hdev->req_lock){+.+.}-{3:3}: [ 51.943843] __lock_acquire+0x12d8/0x205c [ 51.948434] lock_acquire.part.0+0xe4/0x22c [ 51.953201] lock_acquire+0x84/0xa0 [ 51.957261] __mutex_lock+0x9c/0x410 [ 51.961413] mutex_lock_nested+0x64/0xa0 [ 51.965914] scan_update_work+0x2c/0x70 [bluetooth] [ 51.971477] process_one_work+0x280/0x6d4 [ 51.976074] worker_thread+0x7c/0x430 [ 51.980313] kthread+0x108/0x114 [ 51.984110] ret_from_fork+0x10/0x20 [ 51.988261] [ 51.988261] other info that might help us debug this: [ 51.988261] [ 51.996373] Possible unsafe locking scenario: [ 51.996373] [ 52.002370] CPU0 CPU1 [ 52.006956] ---- ---- [ 52.011543] lock((work_completion)(&hdev->scan_update)); [ 52.017103] lock(&hdev->req_lock); [ 52.023280] lock((work_completion)(&hdev->scan_update)); [ 52.031395] lock(&hdev->req_lock); [ 52.035015] [ 52.035015] *** DEADLOCK *** [ 52.035015] [ 52.041013] 2 locks held by kworker/u9:0/170: [ 52.045425] #0: ffff000048b8d938 ((wq_completion)hci0){+.+.}-{0:0}, at: process_one_work+0x1e8/0x6d4 [ 52.054788] #1: ffff80000c563dd0 ((work_completion)(&hdev->scan_update)){+.+.}-{0:0}, at: process_one_work+0x1e8/0x6d4 [ 52.065736] [ 52.065736] stack backtrace: [ 52.070149] CPU: 1 PID: 170 Comm: kworker/u9:0 Not tainted 5.19.12-rc1 #1 [ 52.077031] Hardware name: Raspberry Pi 4 Model B (DT) [ 52.082237] Workqueue: hci0 scan_update_work [bluetooth] [ 52.087725] Call trace: [ 52.090197] dump_backtrace+0xbc/0x130 [ 52.093997] show_stack+0x30/0x70 [ 52.097352] dump_stack_lvl+0x8c/0xb8 [ 52.101062] dump_stack+0x18/0x34 [ 52.104416] print_circular_bug+0x1f8/0x200 [ 52.108655] check_noncircular+0x12c/0x140 [ 52.112804] __lock_acquire+0x12d8/0x205c [ 52.116864] lock_acquire.part.0+0xe4/0x22c [ 52.121101] lock_acquire+0x84/0xa0 [ 52.124633] __mutex_lock+0x9c/0x410 [ 52.128255] mutex_lock_nested+0x64/0xa0 [ 52.132228] scan_update_work+0x2c/0x70 [bluetooth] [ 52.137265] process_one_work+0x280/0x6d4 [ 52.141330] worker_thread+0x7c/0x430 [ 52.145039] kthread+0x108/0x114 [ 52.148308] ret_from_fork+0x10/0x20
[1] https://builds.tuxbuild.com/2FJZaTWmWVmCtAL2pw1Fvo1uWXw/config https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.19.y/build/v5.19....
## Build * kernel: 5.19.12-rc1 * git: https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc * git branch: linux-5.19.y * git commit: ddfc03723522344950fd8eddeec14bd1facf0ba5 * git describe: v5.19.11-208-gddfc03723522 * test details: https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.19.y/build/v5.19....
## No test Regressions (compared to v5.19.11)
## No metric Regressions (compared to v5.19.11)
## No test Fixes (compared to v5.19.11)
## No metric Fixes (compared to v5.19.11)
## Test result summary total: 117926, pass: 103539, fail: 1113, skip: 13021, xfail: 253
## Build Summary * arc: 10 total, 10 passed, 0 failed * arm: 333 total, 333 passed, 0 failed * arm64: 65 total, 63 passed, 2 failed * i386: 55 total, 53 passed, 2 failed * mips: 56 total, 56 passed, 0 failed * parisc: 12 total, 12 passed, 0 failed * powerpc: 69 total, 63 passed, 6 failed * riscv: 27 total, 22 passed, 5 failed * s390: 21 total, 21 passed, 0 failed * sh: 24 total, 24 passed, 0 failed * sparc: 12 total, 12 passed, 0 failed * x86_64: 58 total, 56 passed, 2 failed
## Test suites summary * fwts * igt-gpu-tools * kselftest-android * kselftest-arm64 * kselftest-arm64/arm64.btitest.bti_c_func * kselftest-arm64/arm64.btitest.bti_j_func * kselftest-arm64/arm64.btitest.bti_jc_func * kselftest-arm64/arm64.btitest.bti_none_func * kselftest-arm64/arm64.btitest.nohint_func * kselftest-arm64/arm64.btitest.paciasp_func * kselftest-arm64/arm64.nobtitest.bti_c_func * kselftest-arm64/arm64.nobtitest.bti_j_func * kselftest-arm64/arm64.nobtitest.bti_jc_func * kselftest-arm64/arm64.nobtitest.bti_none_func * kselftest-arm64/arm64.nobtitest.nohint_func * kselftest-arm64/arm64.nobtitest.paciasp_func * kselftest-breakpoints * kselftest-capabilities * kselftest-cgroup * kselftest-clone3 * kselftest-core * kselftest-cpu-hotplug * kselftest-cpufreq * kselftest-drivers-dma-buf * kselftest-efivarfs * kselftest-filesystems * kselftest-filesystems-binderfs * kselftest-firmware * kselftest-fpu * kselftest-futex * kselftest-gpio * kselftest-intel_pstate * kselftest-ipc * kselftest-ir * kselftest-kcmp * kselftest-kexec * kselftest-kvm * kselftest-lib * kselftest-livepatch * kselftest-membarrier * kselftest-memfd * kselftest-memory-hotplug * kselftest-mincore * kselftest-mount * kselftest-mqueue * kselftest-net * kselftest-net-forwarding * kselftest-netfilter * kselftest-nsfs * kselftest-openat2 * kselftest-pid_namespace * kselftest-pidfd * kselftest-proc * kselftest-pstore * kselftest-ptrace * kselftest-rseq * kselftest-rtc * kselftest-seccomp * kselftest-sigaltstack * kselftest-size * kselftest-splice * kselftest-static_keys * kselftest-sync * kselftest-sysctl * kselftest-tc-testing * kselftest-timens * kselftest-timers * kselftest-tmpfs * kselftest-tpm2 * kselftest-user * kselftest-vm * kselftest-x86 * kselftest-zram * kunit * kvm-unit-tests * libgpiod * libhugetlbfs * log-parser-boot * log-parser-test * ltp-cap_bounds * ltp-commands * ltp-containers * ltp-controllers * ltp-cpuhotplug * ltp-crypto * ltp-cve * ltp-dio * ltp-fcntl-locktests * ltp-filecaps * ltp-fs * ltp-fs_bind * ltp-fs_perms_simple * ltp-fsx * ltp-hugetlb * ltp-io * ltp-ipc * ltp-math * ltp-mm * ltp-nptl * ltp-open-posix-tests * ltp-pty * ltp-sched * ltp-securebits * ltp-smoke * ltp-syscalls * ltp-tracing * network-basic-tests * perf * perf/Zstd-perf.data-compression * rcutorture * v4l2-compliance * vdso
-- Linaro LKFT https://lkft.linaro.org