v4l2 driver fails with "Unknown pixelformat 0x00000000"

[Lars Bahner]

[ 8550.165027] Unknown pixelformat 0x00000000
[ 8550.165044] WARNING: CPU: 2 PID: 22808 at drivers/media/v4l2-core/v4l2-ioctl.c:1500 v4l_fill_fmtdesc+0x1968/0x1990 [videodev]
[ 8550.165056] Modules linked in: rfcomm cmac algif_hash algif_skcipher af_alg bnep snd_hda_codec_realtek sunrpc binfmt_misc snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi iwlmvm snd_hda_codec snd_usb_audio intel_rapl_msr snd_hda_core intel_rapl_common snd_usbmidi_lib snd_hwdep edac_mce_amd mac80211 snd_pcm kvm_amd snd_seq_midi snd_seq_midi_event asus_ec_sensors nls_iso8859_1 libarc4 snd_rawmidi btusb kvm uvcvideo btrtl snd_seq btbcm videobuf2_vmalloc btintel videobuf2_memops irqbypass snd_seq_device btmtk videobuf2_v4l2 rapl snd_timer bluetooth iwlwifi videodev snd videobuf2_common ecdh_generic eeepc_wmi wmi_bmof mxm_wmi k10temp ccp input_leds joydev mc soundcore cfg80211 ecc nvidia_uvm(POE) mac_hid sch_fq_codel msr parport_pc ppdev lp parport ramoops pstore_blk reed_solomon pstore_zone efi_pstore ip_tables x_tables autofs4 dm_crypt hid_logitech_hidpp hid_logitech_dj hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) nvidia(POE)
[ 8550.165087] mfd_aaeon drm_kms_helper asus_wmi crct10dif_pclmul syscopyarea ledtrig_audio crc32_pclmul sysfillrect sparse_keymap polyval_clmulni sysimgblt polyval_generic ghash_clmulni_intel sha512_ssse3 aesni_intel platform_profile drm crypto_simd cryptd igb nvme r8169 ahci xhci_pci i2c_piix4 video libahci dca xhci_pci_renesas realtek i2c_algo_bit nvme_core nvme_common wmi
[ 8550.165099] CPU: 2 PID: 22808 Comm: brave Tainted: P W OE 6.2.0-26-generic #26~22.04.1-Ubuntu
[ 8550.165101] Hardware name: ASUS System Product Name/ROG CROSSHAIR VIII DARK HERO, BIOS 4402 02/03/2023
[ 8550.165102] RIP: 0010:v4l_fill_fmtdesc+0x1968/0x1990 [videodev]
[ 8550.165110] Code: ff ff bb 01 00 00 00 49 c7 c4 da 82 50 c4 e9 42 e7 ff ff 41 80 7d 0c 00 0f 85 81 e7 ff ff 48 c7 c7 2c 84 50 c4 e8 08 27 60 e0 <0f> 0b be 20 00 00 00 49 8d 4d 2c 49 8d 7d 0c 31 db 48 c7 c2 48 84
[ 8550.165111] RSP: 0018:ffffb741104ffbd8 EFLAGS: 00010246
[ 8550.165113] RAX: 0000000000000000 RBX: ffffffffc474ad60 RCX: 0000000000000000
[ 8550.165113] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 8550.165114] RBP: ffffb741104ffbf8 R08: 0000000000000000 R09: 0000000000000000
[ 8550.165114] R10: 0000000000000000 R11: 0000000000000000 R12: ffffb741104ffd30
[ 8550.165115] R13: ffffb741104ffd30 R14: ffff8a0df371f300 R15: ffff8a0dab340018
[ 8550.165116] FS: 00007f813006e2c0(0000) GS:ffff8a148ea80000(0000) knlGS:0000000000000000
[ 8550.165117] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8550.165117] CR2: 0000115c08fe3c5c CR3: 0000000138386000 CR4: 0000000000750ee0
[ 8550.165118] PKRU: 55555554
[ 8550.165119] Call Trace:
[ 8550.165119] <TASK>
[ 8550.165122] v4l_enum_fmt+0x1b4/0x1f0 [videodev]
[ 8550.165130] __video_do_ioctl+0x1c2/0x5b0 [videodev]
[ 8550.165137] ? __check_object_size.part.0+0x3a/0x150
[ 8550.165141] ? video_get_user.constprop.0+0x17d/0x1e0 [videodev]
[ 8550.165148] video_usercopy+0x210/0x760 [videodev]
[ 8550.165156] ? __pfx___video_do_ioctl+0x10/0x10 [videodev]
[ 8550.165164] video_ioctl2+0x15/0x30 [videodev]
[ 8550.165171] v4l2_ioctl+0x6c/0xb0 [videodev]
[ 8550.165179] __x64_sys_ioctl+0x9d/0xe0
[ 8550.165181] do_syscall_64+0x5c/0x90
[ 8550.165183] ? syscall_exit_to_user_mode+0x2a/0x50
[ 8550.165184] ? do_syscall_64+0x69/0x90
[ 8550.165186] ? exit_to_user_mode_prepare+0x3b/0xd0
[ 8550.165188] ? syscall_exit_to_user_mode+0x2a/0x50
[ 8550.165189] ? do_syscall_64+0x69/0x90
[ 8550.165190] ? syscall_exit_to_user_mode+0x2a/0x50
[ 8550.165191] ? do_syscall_64+0x69/0x90
[ 8550.165192] ? do_syscall_64+0x69/0x90
[ 8550.165193] ? do_syscall_64+0x69/0x90
[ 8550.165194] ? do_syscall_64+0x69/0x90
[ 8550.165195] ? do_syscall_64+0x69/0x90
[ 8550.165196] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 8550.165199] RIP: 0033:0x7f813111aaff
[ 8550.165200] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 77 1f 48 8b 44 24 18 64 48 2b 04 25 28 00
[ 8550.165200] RSP: 002b:00007ffcf47c23f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 8550.165202] RAX: ffffffffffffffda RBX: 0000000000000018 RCX: 00007f813111aaff
[ 8550.165202] RDX: 00007ffcf47c2470 RSI: ffffffffc0405602 RDI: 0000000000000018
[ 8550.165203] RBP: 00007ffcf47c24d0 R08: 0000233c002c5298 R09: 0000000000000002
[ 8550.165203] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018
[ 8550.165204] R13: 0000000000000018 R14: 0000233c00337000 R15: 00007ffcf47c2470
[ 8550.165205] </TASK>

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.