💥 PANICKED: Test report for kernel 5.10.0-rc1 (arm-next)
Will Deacon
will at kernel.org
Tue Oct 27 05:19:58 EDT 2020
On Mon, Oct 26, 2020 at 06:17:03PM -0400, Rachel Sibley wrote:
> On 10/26/20 4:49 PM, Will Deacon wrote:
> > 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
Aha, thanks. I was grepping for "panic"!
Will
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