[ 1068.904266] wlan0: authenticate with f4:06:8d:cf:86:7c [ 1068.920257] wlan0: send auth to f4:06:8d:cf:86:7c (try 1/3) [ 1068.927522] wlan0: authenticated [ 1068.931332] wlan0: associate with f4:06:8d:cf:86:7c (try 1/3) [ 1068.933017] wlan0: RX AssocResp from f4:06:8d:cf:86:7c (capab=0x111 status=0 aid=1) [ 1068.939275] wlan0: associated [ 1068.988467] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 1068.988484] #PF: supervisor read access in kernel mode [ 1068.988490] #PF: error_code(0x0000) - not-present page [ 1068.988495] PGD 0 P4D 0 [ 1068.988511] Oops: 0000 [#25] PREEMPT SMP PTI [ 1068.988521] CPU: 1 PID: 4319 Comm: iwd Tainted: G D 5.10.3-arch1-1 #1 [ 1068.988528] Hardware name: LENOVO 20EM000VGE/20EM000VGE, BIOS R05ET81W (1.59) 05/14/2019 [ 1068.988542] RIP: 0010:public_key_verify_signature+0x189/0x400 [ 1068.988552] Code: 48 8b 40 d0 44 89 ca 4c 89 fe 4c 89 e7 e8 1f 37 9b 00 85 c0 0f 85 80 01 00 00 48 8b 75 30 48 c7 c7 a8 84 59 9f b9 04 00 00 00 a6 0f 97 c0 1c 00 84 c0 75 0b 8b 45 50 85 c0 0f 85 e0 01 00 00 [ 1068.988559] RSP: 0018:ffffb34641f4fd50 EFLAGS: 00010246 [ 1068.988569] RAX: 0000000000000000 RBX: ffff8d5975d37a40 RCX: 0000000000000004 [ 1068.988575] RDX: ffff8d599bc05000 RSI: 0000000000000000 RDI: ffffffff9f5984a8 [ 1068.988581] RBP: ffffb34641f4fe88 R08: ffff8d599c014bc0 R09: 0000000000000008 [ 1068.988586] R10: 0000000000000000 R11: 000000000000000a R12: ffff8d5975d37400 [ 1068.988592] R13: ffff8d599bc05800 R14: ffffb34641f4fd88 R15: ffff8d5882360000 [ 1068.988600] FS: 00007ff935e2c740(0000) GS:ffff8d59da680000(0000) knlGS:0000000000000000 [ 1068.988607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1068.988612] CR2: 0000000000000000 CR3: 000000021c1c2001 CR4: 00000000003706e0 [ 1068.988618] Call Trace: [ 1068.988656] asymmetric_key_verify_signature+0x5e/0x80 [ 1068.988672] keyctl_pkey_verify+0xc0/0x120 [ 1068.988687] do_syscall_64+0x33/0x40 [ 1068.988697] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1068.988706] RIP: 0033:0x7ff935f29d5d [ 1068.988717] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e3 70 0c 00 f7 d8 64 89 01 48 [ 1068.988724] RSP: 002b:00007ffda7374798 EFLAGS: 00000246 ORIG_RAX: 00000000000000fa [ 1068.988733] RAX: ffffffffffffffda RBX: 00007ffda7374820 RCX: 00007ff935f29d5d [ 1068.988738] RDX: 000055c7aa4e5710 RSI: 00007ffda73747a0 RDI: 000000000000001c [ 1068.988743] RBP: 000055c7aa4e5710 R08: 000055c7aa4e709d R09: 000000300b8a5e1e [ 1068.988749] R10: 00007ffda7374820 R11: 0000000000000246 R12: 000055c7aa4e709d [ 1068.988754] R13: 00007ff9360319c0 R14: 000055c7aa4e7054 R15: 00007ffda7374820 [ 1068.988766] Modules linked in: ccm algif_aead des_generic libdes ecb algif_skcipher cmac md4 algif_hash af_alg snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_codec_generic hid_sensor_magn_3d hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_als hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub cros_ec_ishtp cros_ec intel_rapl_msr intel_ishtp_loader intel_ishtp_hid i915 at24 iTCO_wdt mei_hdcp intel_pmc_bxt iTCO_vendor_support 8250_dw intel_wmi_thunderbolt snd_soc_skl wmi_bmof intel_rapl_common snd_soc_sst_ipc btusb snd_soc_sst_dsp snd_hda_ext_core snd_soc_acpi_intel_match btrtl snd_soc_acpi btbcm x86_pkg_temp_thermal snd_hda_intel iwlmvm intel_powerclamp btintel snd_intel_dspcfg soundwire_intel coretemp bluetooth soundwire_generic_allocation cdc_acm kvm_intel soundwire_cadence mac80211 snd_usb_audio uvcvideo snd_hda_codec videobuf2_vmalloc videobuf2_memops libarc4 kvm cdc_ether videobuf2_v4l2 usbnet ecdh_generic snd_usbmidi_lib [ 1068.988968] videobuf2_common iwlwifi mii ecc snd_hda_core snd_rawmidi crc16 irqbypass videodev snd_seq_device mc i2c_algo_bit rapl snd_hwdep soundwire_bus intel_cstate snd_soc_core intel_uncore wacom cfg80211 drm_kms_helper snd_compress joydev ac97_bus mousedev i2c_i801 pcspkr snd_pcm_dmaengine intel_lpss_pci snd_pcm mei_me e100e cec intel_lpss i2c_smbus mei thinkpad_acpi snd_timer intel_gtt idma64 intel_pch_thermal syscopyarea ledtrig_audio intel_ish_ipc sysfillrect intel_xhci_usb_role_switch rfkill wmi sysimgblt intel_ishtp roles fb_sys_fops snd soc_button_array soundcore tpm_crb tpm_tis video mac_hid i2c_hid acpi_pad tpm_tis_core wireguard curve25519_x86_64 libchacha20poly1305 chacha_x86_64 poly1305_x86_64 libblake2s blake2s_x86_64 ip6_udp_tunnel udp_tunnel libcurve25519_generic libchacha libblake2s_generic drm pkcs8_key_parser sg crypto_user fuse agpgart bpf_preload ip_tables x_tables usbhid btrfs blake2b_generic libcrc32c crc32c_generic xor raid6_pq dm_crypt cbc encrypted_keys [ 1068.989220] dm_mod trusted tpm rng_core crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel crypto_simd cryptd glue_helper sdhci_pci cqhci sdhci serio_raw mmc_core xhci_pci xhci_pci_renesas [ 1068.989279] CR2: 0000000000000000 [ 1068.989288] ---[ end trace f5734cb20efed16a ]--- [ 1069.023176] RIP: 0010:public_key_verify_signature+0x189/0x400 [ 1069.023180] Code: 48 8b 40 d0 44 89 ca 4c 89 fe 4c 89 e7 e8 1f 37 9b 00 85 c0 0f 85 80 01 00 00 48 8b 75 30 48 c7 c7 a8 84 59 9f b9 04 00 00 00 a6 0f 97 c0 1c 00 84 c0 75 0b 8b 45 50 85 c0 0f 85 e0 01 00 00 [ 1069.023182] RSP: 0018:ffffb34640c4fd50 EFLAGS: 00010246 [ 1069.023185] RAX: 0000000000000000 RBX: ffff8d590247c7c0 RCX: 0000000000000004 [ 1069.023187] RDX: ffff8d5977014500 RSI: 0000000000000000 RDI: ffffffff9f5984a8 [ 1069.023189] RBP: ffffb34640c4fe88 R08: ffff8d588436a480 R09: 0000000000000008 [ 1069.023190] R10: 0000000000000000 R11: 000000000000000a R12: ffff8d598d1dd880 [ 1069.023192] R13: ffff8d5977014c00 R14: ffffb34640c4fd88 R15: ffff8d598aae3c00 [ 1069.023194] FS: 00007ff935e2c740(0000) GS:ffff8d59da680000(0000) knlGS:0000000000000000 [ 1069.023196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1069.023198] CR2: 0000000000000000 CR3: 000000021c1c2002 CR4: 00000000003706e0 [ 1069.027222] wlan0: Limiting TX power to 17 (20 - 3) dBm as advertised by f4:06:8d:cf:86:7c [ 1069.106811] wlan0: deauthenticating from f4:06:8d:cf:86:7c by local choice (Reason: 3=DEAUTH_LEAVING)