Module iwlwifi crashs at connection attempt

[François Rossigneux]

When I try to connect to an access point, especially on my OnePlus phone, the wifi module crashs. It works very well on other access points. I observed this bug for a long time. And it survived to my upgrade from Ubuntu 16.04 LTS to 20.04 LTS.

[16625.844470] WARNING: CPU: 3 PID: 33377 at drivers/net/wireless/intel/iwlwifi/mvm/scan.c:2432 iwl_mvm_rx_umac_scan_complete_notif+0x1f0/0x200 [iwlmvm]
[16625.844473] Modules linked in: rndis_host cdc_ether usbnet mii uas usb_storage rfcomm aufs vboxnetadp(O) vboxnetflt(O) cmac algif_hash algif_skcipher overlay af_alg bnep vboxdrv(O) dm_crypt nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_generic ledtrig_audio mei_hdcp snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep intel_rapl_msr snd_pcm uvcvideo snd_seq_midi snd_seq_midi_event videobuf2_vmalloc videobuf2_memops x86_pkg_temp_thermal videobuf2_v4l2 intel_powerclamp snd_rawmidi videobuf2_common coretemp kvm_intel videodev mc iwlmvm kvm btusb mac80211 btrtl btbcm btintel bluetooth snd_seq libarc4 crct10dif_pclmul ecdh_generic ecc ghash_clmulni_intel joydev aesni_intel iwlwifi snd_seq_device i915 crypto_simd cryptd asus_nb_wmi snd_timer glue_helper rapl asus_wmi input_leds intel_cstate cfg80211 serio_raw wmi_bmof sparse_keymap efi_pstore drm_kms_helper hid_multitouch intel_xhci_usb_role_switch snd cec mei_me ee1004 roles processor_thermal_device soundcore rc_core mei
[16625.844568] intel_rapl_common i2c_algo_bit intel_soc_dts_iosf fb_sys_fops intel_pch_thermal syscopyarea sysfillrect sysimgblt int3403_thermal acpi_als kfifo_buf industrialio int340x_thermal_zone acpi_pad asus_wireless mac_hid int3400_thermal acpi_thermal_rel sch_fq_codel parport_pc ppdev lp parport drm ip_tables x_tables autofs4 hid_generic intel_lpss_pci ahci crc32_pclmul i2c_i801 i2c_smbus libahci xhci_pci intel_lpss idma64 virt_dma xhci_pci_renesas wmi i2c_hid hid video
[16625.844621] CPU: 3 PID: 33377 Comm: kworker/3:3 Tainted: G W O 5.8.0-48-generic #54~20.04.1-Ubuntu
[16625.844624] Hardware name: ASUSTeK COMPUTER INC. UX410UAK/UX410UAK, BIOS UX410UAK.312 04/17/2019
[16625.844651] Workqueue: events iwl_mvm_async_handlers_wk [iwlmvm]
[16625.844684] RIP: 0010:iwl_mvm_rx_umac_scan_complete_notif+0x1f0/0x200 [iwlmvm]
[16625.844690] Code: ff 48 8b 7f 28 e8 a0 e7 e5 ff 41 8b 8c 24 78 17 00 00 41 c7 84 24 98 17 00 00 00 00 00 00 41 8b 85 fc 17 00 00 e9 87 fe ff ff <0f> 0b e9 3c ff ff ff e8 54 db 79 ef 0f 1f 40 00 0f 1f 44 00 00 55
[16625.844693] RSP: 0000:ffffa4d60472bdc8 EFLAGS: 00010246
[16625.844698] RAX: 0000000000000200 RBX: ffff91cbca8e7000 RCX: 0000000000000000
[16625.844701] RDX: ffff91cbca0f1ec8 RSI: ffff91ca150b7e10 RDI: ffff91cbca0f1e88
[16625.844705] RBP: ffffa4d60472be00 R08: 00000f1f018c1e52 R09: 0000000000000000
[16625.844708] R10: ffffffffb0e69a00 R11: 0000000000000000 R12: ffffa4d60472be18
[16625.844710] R13: ffff91cbca0f1e88 R14: 0000000000000000 R15: ffff91ca150b7e00
[16625.844715] FS: 0000000000000000(0000) GS:ffff91cbced80000(0000) knlGS:0000000000000000
[16625.844719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[16625.844722] CR2: 000002680066f000 CR3: 00000002be4e6002 CR4: 00000000003606e0
[16625.844724] Call Trace:
[16625.844757] iwl_mvm_async_handlers_wk+0xb0/0x140 [iwlmvm]
[16625.844768] process_one_work+0x1e8/0x3b0
[16625.844775] worker_thread+0x4d/0x3f0
[16625.844781] kthread+0x114/0x150
[16625.844787] ? process_one_work+0x3b0/0x3b0
[16625.844791] ? kthread_park+0x90/0x90
[16625.844799] ret_from_fork+0x22/0x30

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.8.0-48-generic 5.8.0-48.54~20.04.1
ProcVersionSignature: Ubuntu 5.8.0-48.54~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-48-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Thu Apr 22 10:22:27 2021
InstallationDate: Installed on 2021-01-01 (110 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
SourcePackage: linux-signed-hwe-5.8
UpgradeStatus: No upgrade log present (probably fresh install)