Re: [PATCH 5.7 00/14] 5.7.1-rc1 review

[Naresh Kamboju]

On Fri, 5 Jun 2020 at 19:46, Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
> This is the start of the stable review cycle for the 5.7.1 release.
> There are 14 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 Sun, 07 Jun 2020 13:54:56 +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-5.7.1-rc1.gz
> or in the git tree and branch at:
>         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.7.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h

Results from Linaroâs test farm.

While running kselftest memfd_test case the kernel panic noticed on i386
which started with kernel BUG and followed by kernel panic.

steps to reproduce: (Not always reproducible)
          - cd /opt/kselftests/mainline/memfd/
          - ./run_fuse_test.sh || true
          - ./run_hugetlbfs_test.sh || true

[  417.473220] run_hugetlbfs_t (10826): drop_caches: 3
[  417.491120] audit: type=1701 audit(1591388532.357:87503):
auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=10829
comm=\"memfd_test\" exe=\"/opt/kselftests/mainline/memfd/memfd_test\"
sig=6 res=1
[  417.511294] BUG: kernel NULL pointer dereference, address: 00000043
[  417.517569] #PF: supervisor read access in kernel mode
[  417.522699] #PF: error_code(0x0000) - not-present page
[  417.527830] *pde = 00000000
[  417.530707] Oops: 0000 [#2] SMP
[  417.533846] CPU: 3 PID: 10829 Comm: memfd_test Tainted: G      D W
       5.7.1-rc1 #1
[  417.541845] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
2.0b 07/27/2017
[  417.549327] EIP: kmem_cache_alloc_trace+0x81/0x2b0
<>
[  931.776242] Kernel panic - not syncing: Attempted to kill init!
exitcode=0x00000009
[  931.783933] Kernel Offset: 0x1ce00000 from 0xc1000000 (relocation
range: 0xc0000000-0xf77fdfff)
[  931.792627] ---[ end Kernel panic - not syncing: Attempted to kill
init! exitcode=0x00000009 ]---


software_node_release bug on stable-rc 5.7 noticed which is a known
issue on Linus's tree.
[  400.320910] BUG: kernel NULL pointer dereference, address: 0000000000000000
[  400.328959] #PF: supervisor read access in kernel mode
[  400.334097] #PF: error_code(0x0000) - not-present page
[  400.339226] PGD 800000022880d067 P4D 800000022880d067 PUD 21f410067 PMD 0
[  400.346093] Oops: 0000 [#1] SMP PTI
[  400.349586] CPU: 2 PID: 8865 Comm: modprobe Tainted: G        W
    5.7.1-rc1 #1
[  400.357322] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
2.2 05/23/2018
[  400.364711] RIP: 0010:ida_free+0x76/0x140

Full test log link,
https://lkft.validation.linaro.org/scheduler/job/1477323#L11575


Kernel BUG on arm64 dragonboard 410c which is reported upstream but
did not get reply.
BUG: spinlock bad magic on CPU#1, swapper/0/1
lock: msm_uart_ports
Upstream issue reported link,
https://lore.kernel.org/lkml/CA+G9fYsDgghO+4zMY-AF2RgUmAfjZyA+tjeg5m5F1rEgEtw5fg@xxxxxxxxxxxxxx/

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