Re: 💥 PANICKED: Test report for kernel 5.10.0-rc1 (arm-next)
Rachel Sibley
rasibley at redhat.com
Mon Oct 26 18:17:03 EDT 2020
On 10/26/20 4:49 PM, Will Deacon wrote:
> Hi CKI folks,
>
> On Mon, Oct 26, 2020 at 07:42:26PM -0000, CKI Project wrote:
>> We ran automated tests on a recent commit from this kernel tree:
>>
>> Kernel repo: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git
>> Commit: 3650b228f83a - Linux 5.10-rc1
>>
>> The results of these automated tests are provided below.
>>
>> Overall result: FAILED (see details below)
>> Merge: OK
>> Compile: OK
>> Tests: PANICKED
>>
>> All kernel binaries, config files, and logs are available for download here:
>>
>> https://arr-cki-prod-datawarehouse-public.s3.amazonaws.com/index.html?prefix=datawarehouse-public/2020/10/26/615908
>>
>> One or more kernel tests failed:
>>
>> aarch64:
>> 💥 stress: stress-ng
>
> Hmm, I can't see a kernel panic in any of the logs, but I might be looking
> in the wrong place. Please can you point me to the panic message?
You can find it in the console.log. It was triggered by stress-ng, it's also present on mainline and other
upstream trees for both aarch64/x86_64 arches, we are working on reporting and masking the stressor.
https://arr-cki-prod-datawarehouse-public.s3.amazonaws.com/datawarehouse-public/2020/10/26/615908/build_aarch64_redhat%3A1003829/tests/8971427_aarch64_2_console.log
[ 9602.788234] Call trace:
[ 9602.788243] percpu_ref_get_many.constprop.0+0x10/0x78
[ 9602.788246] refill_obj_stock+0x64/0xd8
[ 9602.788250] obj_cgroup_uncharge+0x18/0x28
[ 9602.788257] memcg_slab_free_hook+0xf4/0x240
[ 9602.788263] kfree+0xe8/0x298
[ 9602.788267] proc_sys_call_handler+0x180/0x220
[ 9602.788271] proc_sys_read+0x1c/0x28
[ 9602.788274] new_sync_read+0xdc/0x158
[ 9602.789461] vfs_read+0x150/0x1e0
[ 9602.789466] ksys_read+0x60/0xe8
[ 9602.789469] __arm64_sys_read+0x24/0x30
[ 9602.789472] el0_svc_common.constprop.0+0x84/0x1b8
[ 9602.790666] do_el0_svc+0x2c/0x98
[ 9602.790673] el0_sync_handler+0xb0/0xb8
[ 9602.790681] el0_sync+0x178/0x180
[ 9602.790688] Code: d503233f a9be7bfd aa0003e1 910003fd (f9400000)
[ 9602.790691] ---[ end trace b214fef13c27568f ]---
[ 9602.797750] usercopy: Kernel memory exposure attempt detected from SLUB object 'kmalloc-128' (offset 49, size 108)!
[ 9603.823095] ------------[ cut here ]------------
[ 9603.823100] kernel BUG at mm/usercopy.c:99!
[ 9603.823111] Internal error: Oops - BUG: 0 [#4] SMP
Thanks,
Rachel
>
> Thanks,
>
> Will
>
>
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