[LTP] ❌ FAIL: Test report for kernel 5.6.0-rc4-61a0925.cki (mainline.kernel.org)
Paolo Valente
paolo.valente@linaro.org
Mon Mar 9 17:42:17 CET 2020
Hi Rachel,
IIUC, you can reproduce this bug reliably. If so, I'd need you to test a debugging patch (on top of one of the offending kernels).
Looking forward to your feedback,
Paolo
> Il giorno 9 mar 2020, alle ore 15:27, Rachel Sibley <rasibley@redhat.com> ha scritto:
>
> (cc'ing linux-block@vger.kernel.org)
>
> Hello,
>
> We are seeing a kernel panic triggered with LTP and xfstests against a recent commit for mainline,
> wanted to share in case it's not already known.
>
> Kernel repo: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> Commit: 61a09258f2e5 - Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
>
> We have also seen it with 2c523b344dfa and 378fee2e6b12 commits as well.
>
> LTP: https://cki-artifacts.s3.us-east-2.amazonaws.com/datawarehouse/2020/03/08/477469/x86_64_1_console.log
> xfstests: https://cki-artifacts.s3.us-east-2.amazonaws.com/datawarehouse/2020/03/08/477469/x86_64_4_console.log
>
> [-- MARK -- Sun Mar 8 02:45:00 2020]
> [ 762.315610] BUG: kernel NULL pointer dereference, address: 0000000000000158
> [ 762.323385] #PF: supervisor read access in kernel mode
> [ 762.329119] #PF: error_code(0x0000) - not-present page
> [ 762.334853] PGD 0 P4D 0
> [ 762.337680] Oops: 0000 [#1] SMP PTI
> [ 762.341575] CPU: 9 PID: 87 Comm: kworker/9:1 Not tainted 5.6.0-rc4-61a0925.cki #1
> [ 762.349927] Hardware name: Cisco Systems, Inc. UCS-E160DP-M1/K9/UCS-E160DP-M1/K9, BIOS UCSED.1.5.0.2.051520131757 05/15/2013
> [ 762.362453] Workqueue: cgroup_destroy css_killed_work_fn
> [ 762.368387] RIP: 0010:bfq_bfqq_expire+0x1c/0x940
> [ 762.373540] Code: 01 00 00 c7 80 f8 00 00 00 01 00 00 00 c3 66 66 66 66 90 41 57 41 56 41 55 41 54 41 89 cc 55 48 89 fd 53 48 89 f3 48 83 ec 28 <8b> be 58 01 00 00 65 48 8b 04 25 28 00 00 00 48 89 44 24 20 31 c0
> [ 762.394500] RSP: 0018:ffff9927c03bbd50 EFLAGS: 00010086
> [ 762.400331] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000004
> [ 762.408301] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8965a3913800
> [ 762.416270] RBP: ffff8965a3913800 R08: ffff896592d41098 R09: ffff89657aa8df00
> [ 762.424233] R10: 0000000000000000 R11: ffff89657aa8df00 R12: 0000000000000004
> [ 762.432200] R13: ffff89659f0cd9b0 R14: ffff8965a3913bf0 R15: ffff89659f0cd898
> [ 762.440175] FS: 0000000000000000(0000) GS:ffff8965a7c40000(0000) knlGS:0000000000000000
> [ 762.449211] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 762.455622] CR2: 0000000000000158 CR3: 000000065afc6003 CR4: 00000000000606e0
> [ 762.463599] Call Trace:
> [ 762.466341] ? bfq_idle_extract+0x40/0xb0
> [ 762.470821] bfq_bfqq_move+0x14f/0x160
> [ 762.475011] bfq_pd_offline+0xd3/0xf0
> [ 762.479112] blkg_destroy+0x52/0xf0
> [ 762.483005] blkcg_destroy_blkgs+0x4f/0xa0
> [ 762.487582] css_killed_work_fn+0x4d/0xd0
> [ 762.492066] process_one_work+0x1b5/0x360
> [ 762.496547] worker_thread+0x50/0x3c0
> [ 762.500641] kthread+0xf9/0x130
> [ 762.504153] ? process_one_work+0x360/0x360
> [ 762.508813] ? kthread_park+0x90/0x90
> [ 762.512909] ret_from_fork+0x35/0x40
>
> Thanks,
> Rachel
>
> On 3/7/20 9:59 PM, CKI Project wrote:
>> Hello,
>> We ran automated tests on a recent commit from this kernel tree:
>> Kernel repo: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>> Commit: 61a09258f2e5 - Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
>> The results of these automated tests are provided below.
>> Overall result: FAILED (see details below)
>> Merge: OK
>> Compile: OK
>> Tests: FAILED
>> All kernel binaries, config files, and logs are available for download here:
>> https://cki-artifacts.s3.us-east-2.amazonaws.com/index.html?prefix=datawarehouse/2020/03/08/477469
>> One or more kernel tests failed:
>> x86_64:
>> ❌ LTP
>> ❌ xfstests - ext4
>> We hope that these logs can help you find the problem quickly. For the full
>> detail on our testing procedures, please scroll to the bottom of this message.
>> Please reply to this email if you have any questions about the tests that we
>> ran or if you have any suggestions on how to make future tests more effective.
>> ,-. ,-.
>> ( C ) ( K ) Continuous
>> `-',-.`-' Kernel
>> ( I ) Integration
>> `-'
>> ______________________________________________________________________________
>> Compile testing
>> ---------------
>> We compiled the kernel for 1 architecture:
>> x86_64:
>> make options: -j30 INSTALL_MOD_STRIP=1 targz-pkg
>> Hardware testing
>> ----------------
>> We booted each kernel and ran the following tests:
>> x86_64:
>> Host 1:
>> ✅ Boot test
>> ✅ Podman system integration test - as root
>> ✅ Podman system integration test - as user
>> ❌ LTP
>> ⚡⚡⚡ Loopdev Sanity
>> ⚡⚡⚡ Memory function: memfd_create
>> ⚡⚡⚡ AMTU (Abstract Machine Test Utility)
>> ⚡⚡⚡ Networking bridge: sanity
>> ⚡⚡⚡ Ethernet drivers sanity
>> ⚡⚡⚡ Networking MACsec: sanity
>> ⚡⚡⚡ Networking socket: fuzz
>> ⚡⚡⚡ Networking sctp-auth: sockopts test
>> ⚡⚡⚡ Networking: igmp conformance test
>> ⚡⚡⚡ Networking route: pmtu
>> ⚡⚡⚡ Networking route_func - local
>> ⚡⚡⚡ Networking route_func - forward
>> ⚡⚡⚡ Networking TCP: keepalive test
>> ⚡⚡⚡ Networking UDP: socket
>> ⚡⚡⚡ Networking tunnel: geneve basic test
>> ⚡⚡⚡ Networking tunnel: gre basic
>> ⚡⚡⚡ L2TP basic test
>> ⚡⚡⚡ Networking tunnel: vxlan basic
>> ⚡⚡⚡ Networking ipsec: basic netns - transport
>> ⚡⚡⚡ Networking ipsec: basic netns - tunnel
>> ⚡⚡⚡ audit: audit testsuite test
>> ⚡⚡⚡ httpd: mod_ssl smoke sanity
>> ⚡⚡⚡ tuned: tune-processes-through-perf
>> ⚡⚡⚡ pciutils: sanity smoke test
>> ⚡⚡⚡ ALSA PCM loopback test
>> ⚡⚡⚡ ALSA Control (mixer) Userspace Element test
>> ⚡⚡⚡ storage: SCSI VPD
>> ⚡⚡⚡ trace: ftrace/tracer
>> 🚧 ⚡⚡⚡ CIFS Connectathon
>> 🚧 ⚡⚡⚡ POSIX pjd-fstest suites
>> 🚧 ⚡⚡⚡ jvm - DaCapo Benchmark Suite
>> 🚧 ⚡⚡⚡ jvm - jcstress tests
>> 🚧 ⚡⚡⚡ Memory function: kaslr
>> 🚧 ⚡⚡⚡ LTP: openposix test suite
>> 🚧 ⚡⚡⚡ Networking vnic: ipvlan/basic
>> 🚧 ⚡⚡⚡ iotop: sanity
>> 🚧 ⚡⚡⚡ Usex - version 1.9-29
>> 🚧 ⚡⚡⚡ storage: dm/common
>> Host 2:
>> ✅ Boot test
>> ✅ Storage SAN device stress - mpt3sas driver
>> Host 3:
>> ✅ Boot test
>> ✅ Storage SAN device stress - megaraid_sas
>> Host 4:
>> ✅ Boot test
>> ❌ xfstests - ext4
>> ⚡⚡⚡ xfstests - xfs
>> ⚡⚡⚡ selinux-policy: serge-testsuite
>> ⚡⚡⚡ lvm thinp sanity
>> ⚡⚡⚡ storage: software RAID testing
>> ⚡⚡⚡ stress: stress-ng
>> 🚧 ⚡⚡⚡ IOMMU boot test
>> 🚧 ⚡⚡⚡ IPMI driver test
>> 🚧 ⚡⚡⚡ IPMItool loop stress test
>> 🚧 ⚡⚡⚡ power-management: cpupower/sanity test
>> 🚧 ⚡⚡⚡ Storage blktests
>> Test sources: https://github.com/CKI-project/tests-beaker
>> 💚 Pull requests are welcome for new tests or improvements to existing tests!
>> Waived tests
>> ------------
>> If the test run included waived tests, they are marked with 🚧. Such tests are
>> executed but their results are not taken into account. Tests are waived when
>> their results are not reliable enough, e.g. when they're just introduced or are
>> being fixed.
>> Testing timeout
>> ---------------
>> We aim to provide a report within reasonable timeframe. Tests that haven't
>> finished running yet are marked with ⏱.
>
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