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From:   Naresh Kamboju <naresh.kamboju@linaro.org>
Date:   Tue, 15 Jun 2021 09:41:26 +0530
Message-ID: <CA+G9fYsfvtr7NNcb0bvEZpYYotdY7Uf+wMY22iLhr0weZ8Om3g@mail.gmail.com>
Subject: Re: [PATCH 5.10 000/130] 5.10.44-rc2 review
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     open list <linux-kernel@vger.kernel.org>,
        Shuah Khan <shuah@kernel.org>,
        Florian Fainelli <f.fainelli@gmail.com>, patches@kernelci.org,
        lkft-triage@lists.linaro.org, Jon Hunter <jonathanh@nvidia.com>,
        linux-stable <stable@vger.kernel.org>,
        Pavel Machek <pavel@denx.de>,
        Andrew Morton <akpm@linux-foundation.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Guenter Roeck <linux@roeck-us.net>, linux-usb@vger.kernel.org,
        Peter Chen <peter.chen@kernel.org>,
        Jack Pham <jackp@codeaurora.org>,
        Felipe Balbi <balbi@kernel.org>
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Hi Greg,

On Mon, 14 Jun 2021 at 21:45, Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
>
> This is the start of the stable review cycle for the 5.10.44 release.
> There are 130 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, 16 Jun 2021 16:13:59 +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-5.10.44-rc2.gz
> or in the git tree and branch at:
>         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h

The following kernel crash reported on stable rc 5.10.44-rc2 arm64 db845c board.

[    5.127966] dwc3-qcom a6f8800.usb: failed to get usb-ddr path: -517
[    5.145567] Unable to handle kernel NULL pointer dereference at
virtual address 0000000000000002
[    5.154451] Mem abort info:
[    5.157296]   ESR = 0x96000004
[    5.160401]   EC = 0x25: DABT (current EL), IL = 32 bits
[    5.165771]   SET = 0, FnV = 0
[    5.168873]   EA = 0, S1PTW = 0
[    5.172064] Data abort info:
[    5.174980]   ISV = 0, ISS = 0x00000004
[    5.178860]   CM = 0, WnR = 0
[    5.181872] [0000000000000002] user address but active_mm is swapper
[    5.188293] Internal error: Oops: 96000004 [#1] PREEMPT SMP
[    5.193922] Modules linked in:
[    5.197022] CPU: 4 PID: 57 Comm: kworker/4:3 Not tainted 5.10.44-rc2 #1
[    5.203697] Hardware name: Thundercomm Dragonboard 845c (DT)
[    5.204022] ufshcd-qcom 1d84000.ufshc: ufshcd_print_pwr_info:[RX,
TX]: gear=[3, 3], lane[2, 2], pwr[FAST MODE, FAST MODE], rate = 2
[    5.209434] Workqueue: events deferred_probe_work_func
[    5.221786] ufshcd-qcom 1d84000.ufshc:
ufshcd_find_max_sup_active_icc_level: Regulator capability was not
set, actvIccLevel=0
[    5.226541] pstate: 60c00005 (nZCv daif +PAN +UAO -TCO BTYPE=--)
[    5.226551] pc : inode_permission+0x2c/0x178
[    5.226559] lr : lookup_one_len_common+0xac/0x100

ref:
https://lkft.validation.linaro.org/scheduler/job/2899138#L2873

Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

There is a crash like this reported and discussed on the mailing thread.
https://lore.kernel.org/linux-usb/20210608105656.10795-1-peter.chen@kernel.org/

metadata:
  git branch: linux-5.10.y
  git repo: https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc
  git commit: 3f05ff8b337097d73b2c408d60befe39dac31bb8
  git describe: v5.10.43-131-g3f05ff8b3370
  make_kernelversion: 5.10.44-rc2
  kernel-config: https://builds.tuxbuild.com/1twkN9cmRWOK3boqZes7Yi1t0OO/config

--
Linaro LKFT
https://lkft.linaro.org