I have the same issue. The dmesg output is attached. As a result of this error, the WiFi interface stops working. It can be restored with restarting NetworkManager service.
** Attachment added: "dmesg.0" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1997159/+attachment/5643633/+files/dmesg.0 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1997159 Title: UBSAN Call Trace Status in linux package in Ubuntu: Confirmed Bug description: [76711.937032] ================================================================================ [76711.937043] UBSAN: array-index-out-of-bounds in /build/linux-3Zc9YS/linux-5.19.0/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8192e2ant.c:3005:36 [76711.937050] index 10 is out of range for type 'u8 [10]' [76711.937054] CPU: 3 PID: 22766 Comm: kworker/3:2 Tainted: P IO 5.19.0-23-generic #24-Ubuntu [76711.937059] Hardware name: Dell Inc. Precision WorkStation T7500 /0D881F, BIOS A18 10/15/2018 [76711.937063] Workqueue: rtl92ee_pci rtl_c2hcmd_wq_callback [rtlwifi] [76711.937083] Call Trace: [76711.937086] <TASK> [76711.937090] show_stack+0x4e/0x61 [76711.937100] dump_stack_lvl+0x4a/0x6d [76711.937109] dump_stack+0x10/0x18 [76711.937114] ubsan_epilogue+0x9/0x43 [76711.937119] __ubsan_handle_out_of_bounds.cold+0x42/0x47 [76711.937125] ex_btc8192e2ant_bt_info_notify+0x42b/0x4c0 [btcoexist] [76711.937143] exhalbtc_bt_info_notify+0x9c/0xe0 [btcoexist] [76711.937157] rtl_btc_btinfo_notify+0x1d/0x40 [btcoexist] [76711.937170] rtl_c2h_content_parsing.isra.0+0x66/0x110 [rtlwifi] [76711.937181] rtl_c2hcmd_wq_callback+0x3c/0x80 [rtlwifi] [76711.937191] process_one_work+0x225/0x400 [76711.937196] worker_thread+0x50/0x3e0 [76711.937199] ? rescuer_thread+0x3c0/0x3c0 [76711.937202] kthread+0xe9/0x110 [76711.937206] ? kthread_complete_and_exit+0x20/0x20 [76711.937211] ret_from_fork+0x22/0x30 [76711.937217] </TASK> [76711.937218] ================================================================================ [76711.942218] ================================================================================ [76711.942221] UBSAN: invalid-load in /build/linux-3Zc9YS/linux-5.19.0/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8192e2ant.c:889:11 [76711.942225] load of value 195 is not a valid value for type '_Bool' [76711.942228] CPU: 3 PID: 22766 Comm: kworker/3:2 Tainted: P IO 5.19.0-23-generic #24-Ubuntu [76711.942231] Hardware name: Dell Inc. Precision WorkStation T7500 /0D881F, BIOS A18 10/15/2018 [76711.942233] Workqueue: rtl92ee_pci rtl_c2hcmd_wq_callback [rtlwifi] [76711.942244] Call Trace: [76711.942246] <TASK> [76711.942248] show_stack+0x4e/0x61 [76711.942253] dump_stack_lvl+0x4a/0x6d [76711.942257] dump_stack+0x10/0x18 [76711.942261] ubsan_epilogue+0x9/0x43 [76711.942264] __ubsan_handle_load_invalid_value.cold+0x42/0x47 [76711.942269] btc8192e2ant_rf_shrink.constprop.0.cold+0x79/0xb2 [btcoexist] [76711.942284] btc8192e2ant_is_common_action+0x1ba/0x460 [btcoexist] [76711.942294] btc8192e2ant_run_coexist_mechanism.part.0+0x55/0x2e0 [btcoexist] [76711.942305] btc8192e2ant_run_coexist_mechanism+0x54/0x70 [btcoexist] [76711.942315] ex_btc8192e2ant_bt_info_notify+0x30f/0x4c0 [btcoexist] [76711.942326] exhalbtc_bt_info_notify+0x9c/0xe0 [btcoexist] [76711.942340] rtl_btc_btinfo_notify+0x1d/0x40 [btcoexist] [76711.942353] rtl_c2h_content_parsing.isra.0+0x66/0x110 [rtlwifi] [76711.942363] rtl_c2hcmd_wq_callback+0x3c/0x80 [rtlwifi] [76711.942374] process_one_work+0x225/0x400 [76711.942377] worker_thread+0x50/0x3e0 [76711.942380] ? rescuer_thread+0x3c0/0x3c0 [76711.942383] kthread+0xe9/0x110 [76711.942387] ? kthread_complete_and_exit+0x20/0x20 [76711.942391] ret_from_fork+0x22/0x30 [76711.942397] </TASK> [76711.942398] ================================================================================ [76711.942400] ================================================================================ [76711.942402] UBSAN: invalid-load in /build/linux-3Zc9YS/linux-5.19.0/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8192e2ant.c:892:14 [76711.942405] load of value 195 is not a valid value for type '_Bool' [76711.942407] CPU: 3 PID: 22766 Comm: kworker/3:2 Tainted: P IO 5.19.0-23-generic #24-Ubuntu [76711.942410] Hardware name: Dell Inc. Precision WorkStation T7500 /0D881F, BIOS A18 10/15/2018 [76711.942412] Workqueue: rtl92ee_pci rtl_c2hcmd_wq_callback [rtlwifi] [76711.942423] Call Trace: [76711.942424] <TASK> [76711.942425] show_stack+0x4e/0x61 [76711.942429] dump_stack_lvl+0x4a/0x6d [76711.942434] dump_stack+0x10/0x18 [76711.942437] ubsan_epilogue+0x9/0x43 [76711.942440] __ubsan_handle_load_invalid_value.cold+0x42/0x47 [76711.942445] btc8192e2ant_rf_shrink.constprop.0.cold+0x98/0xb2 [btcoexist] [76711.942459] btc8192e2ant_is_common_action+0x1ba/0x460 [btcoexist] [76711.942470] btc8192e2ant_run_coexist_mechanism.part.0+0x55/0x2e0 [btcoexist] [76711.942480] btc8192e2ant_run_coexist_mechanism+0x54/0x70 [btcoexist] [76711.942490] ex_btc8192e2ant_bt_info_notify+0x30f/0x4c0 [btcoexist] [76711.942501] exhalbtc_bt_info_notify+0x9c/0xe0 [btcoexist] [76711.942515] rtl_btc_btinfo_notify+0x1d/0x40 [btcoexist] [76711.942528] rtl_c2h_content_parsing.isra.0+0x66/0x110 [rtlwifi] [76711.942539] rtl_c2hcmd_wq_callback+0x3c/0x80 [rtlwifi] [76711.942549] process_one_work+0x225/0x400 [76711.942553] worker_thread+0x50/0x3e0 [76711.942556] ? rescuer_thread+0x3c0/0x3c0 [76711.942558] kthread+0xe9/0x110 [76711.942562] ? kthread_complete_and_exit+0x20/0x20 [76711.942566] ret_from_fork+0x22/0x30 [76711.942572] </TASK> [76711.942573] ================================================================================ [76711.942577] ================================================================================ [76711.942579] UBSAN: invalid-load in /build/linux-3Zc9YS/linux-5.19.0/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8192e2ant.c:998:11 [76711.942582] load of value 28 is not a valid value for type '_Bool' [76711.942585] CPU: 3 PID: 22766 Comm: kworker/3:2 Tainted: P IO 5.19.0-23-generic #24-Ubuntu [76711.942588] Hardware name: Dell Inc. Precision WorkStation T7500 /0D881F, BIOS A18 10/15/2018 [76711.942590] Workqueue: rtl92ee_pci rtl_c2hcmd_wq_callback [rtlwifi] [76711.942600] Call Trace: [76711.942601] <TASK> [76711.942603] show_stack+0x4e/0x61 [76711.942607] dump_stack_lvl+0x4a/0x6d [76711.942611] dump_stack+0x10/0x18 [76711.942615] ubsan_epilogue+0x9/0x43 [76711.942618] __ubsan_handle_load_invalid_value.cold+0x42/0x47 [76711.942623] btc8192e2ant_sw_mechanism2.constprop.0.cold+0xd4/0x134 [btcoexist] [76711.942637] btc8192e2ant_is_common_action+0x1cb/0x460 [btcoexist] [76711.942648] btc8192e2ant_run_coexist_mechanism.part.0+0x55/0x2e0 [btcoexist] [76711.942658] btc8192e2ant_run_coexist_mechanism+0x54/0x70 [btcoexist] [76711.942668] ex_btc8192e2ant_bt_info_notify+0x30f/0x4c0 [btcoexist] [76711.942679] exhalbtc_bt_info_notify+0x9c/0xe0 [btcoexist] [76711.942693] rtl_btc_btinfo_notify+0x1d/0x40 [btcoexist] [76711.942706] rtl_c2h_content_parsing.isra.0+0x66/0x110 [rtlwifi] [76711.942717] rtl_c2hcmd_wq_callback+0x3c/0x80 [rtlwifi] [76711.942727] process_one_work+0x225/0x400 [76711.942731] worker_thread+0x50/0x3e0 [76711.942734] ? rescuer_thread+0x3c0/0x3c0 [76711.942737] kthread+0xe9/0x110 [76711.942740] ? kthread_complete_and_exit+0x20/0x20 [76711.942744] ret_from_fork+0x22/0x30 [76711.942750] </TASK> [76711.942751] ================================================================================ [76711.942753] ================================================================================ [76711.942755] UBSAN: invalid-load in /build/linux-3Zc9YS/linux-5.19.0/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8192e2ant.c:1001:14 [76711.942758] load of value 28 is not a valid value for type '_Bool' [76711.942760] CPU: 3 PID: 22766 Comm: kworker/3:2 Tainted: P IO 5.19.0-23-generic #24-Ubuntu [76711.942763] Hardware name: Dell Inc. Precision WorkStation T7500 /0D881F, BIOS A18 10/15/2018 [76711.942765] Workqueue: rtl92ee_pci rtl_c2hcmd_wq_callback [rtlwifi] [76711.942775] Call Trace: [76711.942776] <TASK> [76711.942778] show_stack+0x4e/0x61 [76711.942782] dump_stack_lvl+0x4a/0x6d [76711.942786] dump_stack+0x10/0x18 [76711.942790] ubsan_epilogue+0x9/0x43 [76711.942793] __ubsan_handle_load_invalid_value.cold+0x42/0x47 [76711.942798] btc8192e2ant_sw_mechanism2.constprop.0.cold+0xf6/0x134 [btcoexist] [76711.942812] btc8192e2ant_is_common_action+0x1cb/0x460 [btcoexist] [76711.942823] btc8192e2ant_run_coexist_mechanism.part.0+0x55/0x2e0 [btcoexist] [76711.942833] btc8192e2ant_run_coexist_mechanism+0x54/0x70 [btcoexist] [76711.942843] ex_btc8192e2ant_bt_info_notify+0x30f/0x4c0 [btcoexist] [76711.942854] exhalbtc_bt_info_notify+0x9c/0xe0 [btcoexist] [76711.942868] rtl_btc_btinfo_notify+0x1d/0x40 [btcoexist] [76711.942881] rtl_c2h_content_parsing.isra.0+0x66/0x110 [rtlwifi] [76711.942892] rtl_c2hcmd_wq_callback+0x3c/0x80 [rtlwifi] [76711.942902] process_one_work+0x225/0x400 [76711.942906] worker_thread+0x50/0x3e0 [76711.942909] ? rescuer_thread+0x3c0/0x3c0 [76711.942911] kthread+0xe9/0x110 [76711.942915] ? kthread_complete_and_exit+0x20/0x20 [76711.942919] ret_from_fork+0x22/0x30 [76711.942925] </TASK> [76711.942926] ================================================================================ [76711.942928] ================================================================================ [76711.942930] UBSAN: invalid-load in /build/linux-3Zc9YS/linux-5.19.0/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8192e2ant.c:939:11 [76711.942933] load of value 251 is not a valid value for type '_Bool' [76711.942935] CPU: 3 PID: 22766 Comm: kworker/3:2 Tainted: P IO 5.19.0-23-generic #24-Ubuntu [76711.942938] Hardware name: Dell Inc. Precision WorkStation T7500 /0D881F, BIOS A18 10/15/2018 [76711.942940] Workqueue: rtl92ee_pci rtl_c2hcmd_wq_callback [rtlwifi] [76711.942950] Call Trace: [76711.942951] <TASK> [76711.942953] show_stack+0x4e/0x61 [76711.942957] dump_stack_lvl+0x4a/0x6d [76711.942961] dump_stack+0x10/0x18 [76711.942965] ubsan_epilogue+0x9/0x43 [76711.942968] __ubsan_handle_load_invalid_value.cold+0x42/0x47 [76711.942973] btc8192e2ant_sw_mechanism2.constprop.0.cold+0x23/0x134 [btcoexist] [76711.942987] btc8192e2ant_is_common_action+0x1cb/0x460 [btcoexist] [76711.942998] btc8192e2ant_run_coexist_mechanism.part.0+0x55/0x2e0 [btcoexist] [76711.943008] btc8192e2ant_run_coexist_mechanism+0x54/0x70 [btcoexist] [76711.943018] ex_btc8192e2ant_bt_info_notify+0x30f/0x4c0 [btcoexist] [76711.943029] exhalbtc_bt_info_notify+0x9c/0xe0 [btcoexist] [76711.943043] rtl_btc_btinfo_notify+0x1d/0x40 [btcoexist] [76711.943056] rtl_c2h_content_parsing.isra.0+0x66/0x110 [rtlwifi] [76711.943067] rtl_c2hcmd_wq_callback+0x3c/0x80 [rtlwifi] [76711.943077] process_one_work+0x225/0x400 [76711.943081] worker_thread+0x50/0x3e0 [76711.943084] ? rescuer_thread+0x3c0/0x3c0 [76711.943086] kthread+0xe9/0x110 [76711.943090] ? kthread_complete_and_exit+0x20/0x20 [76711.943094] ret_from_fork+0x22/0x30 [76711.943100] </TASK> [76711.943101] ================================================================================ [76711.943103] ================================================================================ [76711.943104] UBSAN: invalid-load in /build/linux-3Zc9YS/linux-5.19.0/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8192e2ant.c:946:15 [76711.943108] load of value 251 is not a valid value for type '_Bool' [76711.943110] CPU: 3 PID: 22766 Comm: kworker/3:2 Tainted: P IO 5.19.0-23-generic #24-Ubuntu [76711.943113] Hardware name: Dell Inc. Precision WorkStation T7500 /0D881F, BIOS A18 10/15/2018 [76711.943114] Workqueue: rtl92ee_pci rtl_c2hcmd_wq_callback [rtlwifi] [76711.943125] Call Trace: [76711.943126] <TASK> [76711.943127] show_stack+0x4e/0x61 [76711.943132] dump_stack_lvl+0x4a/0x6d [76711.943136] dump_stack+0x10/0x18 [76711.943139] ubsan_epilogue+0x9/0x43 [76711.943143] __ubsan_handle_load_invalid_value.cold+0x42/0x47 [76711.943147] btc8192e2ant_sw_mechanism2.constprop.0.cold+0x57/0x134 [btcoexist] [76711.943162] btc8192e2ant_is_common_action+0x1cb/0x460 [btcoexist] [76711.943172] btc8192e2ant_run_coexist_mechanism.part.0+0x55/0x2e0 [btcoexist] [76711.943183] btc8192e2ant_run_coexist_mechanism+0x54/0x70 [btcoexist] [76711.943193] ex_btc8192e2ant_bt_info_notify+0x30f/0x4c0 [btcoexist] [76711.943204] exhalbtc_bt_info_notify+0x9c/0xe0 [btcoexist] [76711.943218] rtl_btc_btinfo_notify+0x1d/0x40 [btcoexist] [76711.943231] rtl_c2h_content_parsing.isra.0+0x66/0x110 [rtlwifi] [76711.943241] rtl_c2hcmd_wq_callback+0x3c/0x80 [rtlwifi] [76711.943252] process_one_work+0x225/0x400 [76711.943255] worker_thread+0x50/0x3e0 [76711.943258] ? rescuer_thread+0x3c0/0x3c0 [76711.943261] kthread+0xe9/0x110 [76711.943265] ? kthread_complete_and_exit+0x20/0x20 [76711.943269] ret_from_fork+0x22/0x30 [76711.943274] </TASK> [76711.943275] ================================================================================ ProblemType: Bug DistroRelease: Ubuntu 22.10 Package: linux-image-5.19.0-23-generic 5.19.0-23.24 ProcVersionSignature: Ubuntu 5.19.0-23.24-generic 5.19.7 Uname: Linux 5.19.0-23-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.23.1-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: js1 1753 F.... wireplumber /dev/snd/controlC1: js1 1753 F.... wireplumber /dev/snd/seq: js1 1752 F.... pipewire CasperMD5CheckResult: unknown CurrentDesktop: KDE Date: Sat Nov 19 20:17:34 2022 HibernationDevice: RESUME=none InstallationDate: Installed on 2022-09-23 (57 days ago) InstallationMedia: Kubuntu 20.04.4 LTS "Focal Fossa" - Release amd64 (20220223) MachineType: Dell Inc. Precision WorkStation T7500 ProcFB: 0 VESA VGA ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.19.0-23-generic root=UUID=8d4e3d24-75d2-481d-a49e-13f00a18f0a3 ro ipv6.disable=1 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-5.19.0-23-generic N/A linux-backports-modules-5.19.0-23-generic N/A linux-firmware 20220923.gitf09bebf3-0ubuntu1 RfKill: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/15/2018 dmi.bios.release: 0.0 dmi.bios.vendor: Dell Inc. dmi.bios.version: A18 dmi.board.name: 0D881F dmi.board.vendor: Dell Inc. dmi.board.version: A05 dmi.chassis.type: 7 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA18:bd10/15/2018:br0.0:svnDellInc.:pnPrecisionWorkStationT7500:pvr:rvnDellInc.:rn0D881F:rvrA05:cvnDellInc.:ct7:cvr:sku: dmi.product.name: Precision WorkStation T7500 dmi.sys.vendor: Dell Inc. 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