[driver core] [confidence: ] 8c69343389: canonical_address#:#[##]

Greeting,

FYI, we noticed the following commit (built with gcc-11):

commit: 8c69343389e04f826b4f975dff69aaec083bb186 ("[PATCH v1 1/2] driver core: fw_devlink: Allow firmware to mark devices as best effort")
url: https://github.com/intel-lab-lkp/linux/commits/Saravana-Kannan/Fix-console-probe-delay-due-to-fw_devlink/20220623-060244
base: https://git.kernel.org/cgit/linux/kernel/git/gregkh/driver-core.git a52ed4866d2b90dd5e4ae9dabd453f3ed8fa3cbc
patch link: https://lore.kernel.org/lkml/20220622215912.550419-2-saravanak@google.com (local)

in testcase: boot

on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):


+------------------------------------------+------------+------------+
|                                          | a52ed4866d | 8c69343389 |
+------------------------------------------+------------+------------+
| boot_successes                           | 20         | 0          |
| boot_failures                            | 0          | 20         |
| canonical_address#:#[##]                 | 0          | 20         |
| RIP:dev_is_best_effort                   | 0          | 20         |
| Kernel_panic-not_syncing:Fatal_exception | 0          | 20         |
+------------------------------------------+------------+------------+


If you fix the issue, kindly add following tag
Reported-by: kernel test robot <redacted>
Link: https://lore.kernel.org/r/202209091632.cb6dfc9f-oliver.sang@intel.com (local)


[   37.669495][    T8] RIP: 0010:dev_is_best_effort+0x4a/0xa7
[   37.669506][    T8] Code: 48 c1 e0 2a 80 3c 02 00 74 05 e8 21 64 40 ff 48 8b 9b c0 03 00 00 48 8d 7b 38 48 89 fa 48 c1 ea 03 b8 ff ff 37 00 48 c1 e0 2a <8a> 04 02 84 c0 74 07 7f 05 e8 c8 63 40 ff 8a 43 38 c0 e8 04 83 e0
[   37.669512][    T8] RSP: 0000:ffffc9000008fac8 EFLAGS: 00010286
[   37.669519][    T8] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   37.669525][    T8] RDX: 0000000000000007 RSI: ffffffff8893f5a0 RDI: 0000000000000038
[   37.669530][    T8] RBP: ffff888184889000 R08: 0000000000000000 R09: ffffffff8ab7de3f
[   37.669535][    T8] R10: ffffc9000008fad8 R11: ffffffff812d9753 R12: ffff88819af00000
[   37.669540][    T8] R13: ffff8881848890f0 R14: ffff88810cb3c0c8 R15: ffff888184889068
[   37.669546][    T8] FS:  0000000000000000(0000) GS:ffff8883ae500000(0000) knlGS:0000000000000000
[   37.669551][    T8] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.669556][    T8] CR2: 0000000000000000 CR3: 0000000008416000 CR4: 00000000000406a0
[   37.669564][    T8] Call Trace:
[   37.669569][    T8]  <TASK>
[   37.669573][    T8]  device_links_driver_bound+0x375/0x4e9
[   37.669582][    T8]  ? device_links_force_bind+0x152/0x152
[   37.669588][    T8]  driver_bound+0xd3/0x15e
[   37.669596][    T8]  really_probe+0x4d4/0x5c9
[   37.669603][    T8]  ? driver_allows_async_probing+0xf1/0xf1
[   37.669610][    T8]  __driver_probe_device+0x19f/0x1e9
[   37.669617][    T8]  driver_probe_device+0x44/0xbb
[   37.669624][    T8]  __device_attach_driver+0x100/0x149
[   37.669632][    T8]  bus_for_each_drv+0x136/0x15e
[   37.669639][    T8]  ? bus_rescan_devices+0x10/0x10
[   37.669646][    T8]  __device_attach+0x19b/0x239
[   37.669653][    T8]  ? device_driver_attach+0x96/0x96
[   37.669660][    T8]  bus_probe_device+0x9e/0x1d4
[   37.669667][    T8]  deferred_probe_work_func+0xbb/0xe6
[   37.669675][    T8]  process_one_work+0x5fa/0x9a3
[   37.669686][    T8]  ? max_active_store+0xba/0xba
[   37.669693][    T8]  ? rcu_read_unlock+0x54/0x54
[   37.669703][    T8]  ? list_add_tail+0x40/0xd7
[   37.669711][    T8]  process_scheduled_works+0x46/0x4d
[   37.669718][    T8]  worker_thread+0x47c/0x57b
[   37.669726][    T8]  ? rescuer_thread+0x561/0x561
[   37.669733][    T8]  kthread+0x237/0x246
[   37.669741][    T8]  ? kthread_complete_and_exit+0x1b/0x1b
[   37.669749][    T8]  ret_from_fork+0x22/0x30
[   37.669758][    T8]  </TASK>
[   37.669761][    T8] Modules linked in:
[   37.669769][    T8] ---[ end trace 0000000000000000 ]---
[   37.669773][    T8] RIP: 0010:dev_is_best_effort+0x4a/0xa7
[   37.669779][    T8] Code: 48 c1 e0 2a 80 3c 02 00 74 05 e8 21 64 40 ff 48 8b 9b c0 03 00 00 48 8d 7b 38 48 89 fa 48 c1 ea 03 b8 ff ff 37 00 48 c1 e0 2a <8a> 04 02 84 c0 74 07 7f 05 e8 c8 63 40 ff 8a 43 38 c0 e8 04 83 e0
[   37.669784][    T8] RSP: 0000:ffffc9000008fac8 EFLAGS: 00010286
[   37.669789][    T8] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   37.669793][    T8] RDX: 0000000000000007 RSI: ffffffff8893f5a0 RDI: 0000000000000038
[   37.669797][    T8] RBP: ffff888184889000 R08: 0000000000000000 R09: ffffffff8ab7de3f
[   37.669801][    T8] R10: ffffc9000008fad8 R11: ffffffff812d9753 R12: ffff88819af00000
[   37.669805][    T8] R13: ffff8881848890f0 R14: ffff88810cb3c0c8 R15: ffff888184889068
[   37.669810][    T8] FS:  0000000000000000(0000) GS:ffff8883ae500000(0000) knlGS:0000000000000000
[   37.669814][    T8] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.669818][    T8] CR2: 0000000000000000 CR3: 0000000008416000 CR4: 00000000000406a0
[   37.669823][    T8] Kernel panic - not syncing: Fatal exception
[   37.670010][    T8] Kernel Offset: disabled


To reproduce:

        # build kernel
	cd linux
	cp config-5.19.0-rc1-00014-g8c69343389e0 .config
	make HOSTCC=gcc-11 CC=gcc-11 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage modules
	make HOSTCC=gcc-11 CC=gcc-11 ARCH=x86_64 INSTALL_MOD_PATH=<mod-install-dir> modules_install
	cd <mod-install-dir>
	find lib/ | cpio -o -H newc --quiet | gzip > modules.cgz


        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp qemu -k <bzImage> -m modules.cgz job-script # job-script is attached in this email

        # if come across any failure that blocks the test,
        # please remove ~/.lkp and /lkp dir to run from a clean state.



-- 
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https://01.org/lkp