Oct 29 17:26:31 prateotu kernel: BUG: kernel NULL pointer dereference, address: 000000000000004c Oct 29 17:26:31 prateotu kernel: #PF: supervisor read access in kernel mode Oct 29 17:26:31 prateotu kernel: #PF: error_code(0x0000) - not-present page Oct 29 17:26:31 prateotu kernel: PGD 0 P4D 0 Oct 29 17:26:31 prateotu kernel: Oops: 0000 [#1] PREEMPT SMP PTI Oct 29 17:26:31 prateotu kernel: CPU: 3 PID: 434 Comm: systemd-udevd Tainted: G OE 5.3.7-arch1-2-ARCH #1 Oct 29 17:26:31 prateotu kernel: Hardware name: Purism Librem 15 v3/Librem 15 v3, BIOS 4.9-Purism-1 05/16/2019 Oct 29 17:26:31 prateotu kernel: RIP: 0010:maximum_speed_show+0xd/0x30 [udc_core] Oct 29 17:26:31 prateotu kernel: Code: 78 c0 be 00 10 00 00 e8 61 6d 76 d8 48 98 c3 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 8b 47 f8 48 89 d5 <8b> 78 4c e8 2b 1c 51 d8 48 89 ef be 00 10 00 00 48 c7 c2 7d 74 78 Oct 29 17:26:31 prateotu kernel: RSP: 0018:ffffb28e002f7a48 EFLAGS: 00010282 Oct 29 17:26:31 prateotu kernel: RAX: 0000000000000000 RBX: ffffb28e002f7ab8 RCX: 0000000000000000 Oct 29 17:26:31 prateotu kernel: RDX: 0000000000000001 RSI: ffffffffc078b028 RDI: ffff99ea67b98410 Oct 29 17:26:31 prateotu kernel: RBP: 0000000000000001 R08: 0000000000000000 R09: ffffb28e002f79d0 Oct 29 17:26:31 prateotu kernel: R10: ffff99eaeb6411ff R11: 0000000000000000 R12: ffff99ea67b98410 Oct 29 17:26:31 prateotu kernel: R13: 0000000000000001 R14: 0000000000000000 R15: ffffb28e002f7e70 Oct 29 17:26:31 prateotu kernel: FS: 00007f34bfe9a840(0000) GS:ffff99ea6fb80000(0000) knlGS:0000000000000000 Oct 29 17:26:31 prateotu kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Oct 29 17:26:31 prateotu kernel: CR2: 000000000000004c CR3: 00000004674a8001 CR4: 00000000003606e0 Oct 29 17:26:31 prateotu kernel: Call Trace: Oct 29 17:26:31 prateotu kernel: __device_attach_driver+0x2e/0xd0 Oct 29 17:26:31 prateotu kernel: ? driver_allows_async_probing+0x50/0x50 Oct 29 17:26:31 prateotu kernel: ? driver_allows_async_probing+0x50/0x50 Oct 29 17:26:31 prateotu kernel: bus_for_each_drv+0x8c/0xd0 Oct 29 17:26:31 prateotu kernel: __device_attach+0xf0/0x170 Oct 29 17:26:31 prateotu kernel: bus_probe_device+0x8e/0xa0 Oct 29 17:26:31 prateotu kernel: device_add+0x3cd/0x6b0 Oct 29 17:26:31 prateotu kernel: platform_device_add+0xe9/0x240 Oct 29 17:26:31 prateotu kernel: platform_device_register_full+0x115/0x180 Oct 29 17:26:31 prateotu kernel: ? 0xffffffffc0b1c000 Oct 29 17:26:31 prateotu kernel: regulatory_init+0x44/0x257 [cfg80211] Oct 29 17:26:31 prateotu kernel: ? 0xffffffffc0b1c000 Oct 29 17:26:31 prateotu kernel: cfg80211_init+0x67/0xcf [cfg80211] Oct 29 17:26:31 prateotu kernel: do_one_initcall+0x59/0x234 Oct 29 17:26:31 prateotu kernel: do_init_module+0x5c/0x230 Oct 29 17:26:31 prateotu kernel: load_module+0x218f/0x2400 Oct 29 17:26:31 prateotu kernel: ? __se_sys_init_module+0x114/0x180 Oct 29 17:26:31 prateotu kernel: __se_sys_init_module+0x114/0x180 Oct 29 17:26:31 prateotu kernel: do_syscall_64+0x5f/0x1c0 Oct 29 17:26:31 prateotu kernel: ? prepare_exit_to_usermode+0x85/0xb0 Oct 29 17:26:31 prateotu kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9 Oct 29 17:26:31 prateotu kernel: RIP: 0033:0x7f34c16b8d2e Oct 29 17:26:31 prateotu kernel: Code: 48 8b 0d 55 01 0c 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 22 01 0c 00 f7 d8 64 89 01 48 Oct 29 17:26:31 prateotu kernel: RSP: 002b:00007fff2e136c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af Oct 29 17:26:31 prateotu kernel: RAX: ffffffffffffffda RBX: 000055e45aea39b0 RCX: 00007f34c16b8d2e Oct 29 17:26:31 prateotu kernel: RDX: 00007f34c130884d RSI: 0000000000198349 RDI: 000055e45b6c0c20 Oct 29 17:26:31 prateotu kernel: RBP: 00007f34c130884d R08: 000055e45acd301a R09: 0000000000000000 Oct 29 17:26:31 prateotu kernel: R10: 000055e45acd3010 R11: 0000000000000246 R12: 000055e45b6c0c20 Oct 29 17:26:31 prateotu kernel: R13: 000055e45aea5f40 R14: 0000000000020000 R15: 000055e45aea39b0 Oct 29 17:26:31 prateotu kernel: Modules linked in: dwc3(+) kvm(+) snd_hda_codec(+) iTCO_wdt cfg80211(+) ulpi iTCO_vendor_support intel_rapl_msr snd_hda_core udc_core drm snd_hwdep snd_pcm ecdh_generic ecc irqbypass snd_timer intel_cstate intel_gtt intel_xhci_usb_role_switch intel_uncore agpgart snd psmouse pcspkr rfkill intel_rapl_perf syscopyarea sysfillrect sysimgblt input_leds i2c_i801 soundcore libarc4 fb_sys_fops roles processor_thermal_device intel_rapl_common int340x_thermal_zone intel_soc_dts_iosf dwc3_pci intel_pch_thermal battery ac topstar_laptop sparse_keymap evdev coreboot_table mac_hid nf_log_ipv6 ip6t_REJECT nf_reject_ipv6 xt_hl ip6t_rt nf_log_ipv4 nf_log_common ipt_REJECT nf_reject_ipv4 xt_LOG xt_limit xt_addrtype xt_tcpudp xt_conntrack ip6table_filter ip6_tables nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp nf_nat nf_conntrack_ftp nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c iptable_filter vboxnetflt(OE) vboxnetadp(OE) vboxpci(OE) vboxdrv(OE) ip_tables x_tables ext4 Oct 29 17:26:31 prateotu kernel: crc32c_generic crc16 mbcache jbd2 dm_crypt dm_mod sd_mod crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel serio_raw xhci_pci ahci atkbd libps2 aes_x86_64 libahci crypto_simd libata xhci_hcd cryptd glue_helper scsi_mod i8042 serio Oct 29 17:26:31 prateotu kernel: CR2: 000000000000004c Oct 29 17:26:31 prateotu kernel: ---[ end trace 51ff855a3ea427d0 ]--- Oct 29 17:26:31 prateotu kernel: RIP: 0010:maximum_speed_show+0xd/0x30 [udc_core] Oct 29 17:26:31 prateotu kernel: Code: 78 c0 be 00 10 00 00 e8 61 6d 76 d8 48 98 c3 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 8b 47 f8 48 89 d5 <8b> 78 4c e8 2b 1c 51 d8 48 89 ef be 00 10 00 00 48 c7 c2 7d 74 78 Oct 29 17:26:31 prateotu kernel: RSP: 0018:ffffb28e002f7a48 EFLAGS: 00010282 Oct 29 17:26:31 prateotu kernel: RAX: 0000000000000000 RBX: ffffb28e002f7ab8 RCX: 0000000000000000 Oct 29 17:26:31 prateotu kernel: RDX: 0000000000000001 RSI: ffffffffc078b028 RDI: ffff99ea67b98410 Oct 29 17:26:31 prateotu kernel: RBP: 0000000000000001 R08: 0000000000000000 R09: ffffb28e002f79d0 Oct 29 17:26:31 prateotu kernel: R10: ffff99eaeb6411ff R11: 0000000000000000 R12: ffff99ea67b98410 Oct 29 17:26:31 prateotu kernel: R13: 0000000000000001 R14: 0000000000000000 R15: ffffb28e002f7e70 Oct 29 17:26:31 prateotu kernel: FS: 00007f34bfe9a840(0000) GS:ffff99ea6fb80000(0000) knlGS:0000000000000000 Oct 29 17:26:31 prateotu kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Oct 29 17:26:31 prateotu kernel: CR2: 000000000000004c CR3: 00000004674a8001 CR4: 00000000003606e0