https://bugzilla.suse.com/show_bug.cgi?id=1193472 https://bugzilla.suse.com/show_bug.cgi?id=1193472#c4 --- Comment #4 from Jiri Slaby <jslaby@suse.com> --- It looks like it crashes in many tests: https://openqa.opensuse.org/tests/2451726#step/welcome/6

Console: switching to colour dummy device 80x25 BUG: kernel NULL pointer dereference, address: 0000000000000008 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP PTI CPU: 0 PID: 184 Comm: udevd Not tainted 5.18.9-1-default #1 openSUSE Tumbleweed 3fcc90587c0530738f0eb26e606cf1b383eb8c7d Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a-rebuilt.opensuse.org 04/01/2014 RIP: 0010:kernfs_find_and_get_ns+0x11/0x70 Code: 08 48 83 40 40 01 49 8b 46 08 48 83 40 58 01 31 c0 eb d1 66 0f 1f 44 00 00 0f 1f 44 00 00 41 55 49 89 d5 41 54 49 89 f4 55 53 <48> 8b 47 08 48 89 fb 48 85 c0 48 0f 44 c7 48 8b 68 50 48 83 c5 60 RSP: 0018:ffffb28840c5fa70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffffffaf5a0560 RCX: ffffb28840c5fa48 RDX: 0000000000000000 RSI: ffffffffaf5a06a8 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000040 R09: 00000000febd8000 R10: 0000000000000000 R11: ffff95707c5ea29c R12: ffffffffaf5a06a8 R13: 0000000000000000 R14: ffff95707ec185c0 R15: 0000000000000000 FS: 00007efd71138b00(0000) GS:ffff957073800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000008 CR3: 0000000002638000 CR4: 00000000000006f0 Call Trace: <TASK> sysfs_unmerge_group+0x18/0x60 dpm_sysfs_remove+0x20/0x60 device_del+0xb2/0x3f0 platform_device_del.part.0+0x13/0x70 platform_device_unregister+0x1c/0x30 sysfb_disable+0x2b/0x60 remove_conflicting_framebuffers+0x1b/0xc0 remove_conflicting_pci_framebuffers+0xce/0x120 drm_aperture_remove_conflicting_pci_framebuffers+0x57/0x80 bochs_pci_probe+0x57/0x360 [bochs 6532c5f351862440ffe82bbd1b893dc6575a4dfd] ? kfree+0xdc/0x300 local_pci_probe+0x41/0x80 pci_device_probe+0xc3/0x220 really_probe+0x1a1/0x370 __driver_probe_device+0xfc/0x170 driver_probe_device+0x1f/0x90 __driver_attach+0xbb/0x190 ? __device_attach_driver+0xe0/0xe0 bus_for_each_dev+0x72/0xb0 bus_add_driver+0x159/0x200 driver_register+0x89/0xd0 ? 0xffffffffc06c9000 do_one_initcall+0x44/0x200 ? kmem_cache_alloc_trace+0x177/0x350 do_init_module+0x4a/0x250 __do_sys_init_module+0x138/0x1b0 do_syscall_64+0x5b/0x80 ? do_syscall_64+0x67/0x80 ? exc_page_fault+0x66/0x150 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7efd7153202e Code: 48 8b 0d fd 9d 0e 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 af 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d ca 9d 0e 00 f7 d8 64 89 01 48 RSP: 002b:00007fff4b50f0f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000af RAX: ffffffffffffffda RBX: 0000559298b30930 RCX: 00007efd7153202e RDX: 00007efd716b805d RSI: 000000000000a323 RDI: 0000559298c7a6d0 RBP: 00007efd716b805d R08: 27d4eb2f165667c5 R09: 9e3779b185ebca87 R10: 000000000000a3c1 R11: 0000000000000246 R12: 0000000000020000 R13: 0000000000000000 R14: 0000559298b34880 R15: 0000000000000000 </TASK> Modules linked in: bochs(+) ata_generic pata_acpi drm_vram_helper joydev serio_raw pcspkr virtio_blk usbcore drm_ttm_helper virtio_scsi i2c_piix4 virtio_net net_failover failover ata_piix ttm tiny_power_button parport_pc floppy parport qemu_fw_cfg button scsi_dh_rdac scsi_dh_emc scsi_dh_alua edd squashfs loop ext4 mbcache jbd2 zram CR2: 0000000000000008 ---[ end trace 0000000000000000 ]--- RIP: 0010:kernfs_find_and_get_ns+0x11/0x70 Code: 08 48 83 40 40 01 49 8b 46 08 48 83 40 58 01 31 c0 eb d1 66 0f 1f 44 00 00 0f 1f 44 00 00 41 55 49 89 d5 41 54 49 89 f4 55 53 <48> 8b 47 08 48 89 fb 48 85 c0 48 0f 44 c7 48 8b 68 50 48 83 c5 60 RSP: 0018:ffffb28840c5fa70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffffffaf5a0560 RCX: ffffb28840c5fa48 RDX: 0000000000000000 RSI: ffffffffaf5a06a8 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000040 R09: 00000000febd8000 R10: 0000000000000000 R11: ffff95707c5ea29c R12: ffffffffaf5a06a8 R13: 0000000000000000 R14: ffff95707ec185c0 R15: 0000000000000000 FS: 00007efd71138b00(0000) GS:ffff957073800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000008 CR3: 0000000002638000 CR4: 00000000000006f0

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