Hi all. This is most likely a double of bug #1974018.
-- 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/1974162 Title: Crashing rtl8192cu on Ubuntu 22.04 LTS (5.15.0-30-generic) with Edimax EW-7612UAn V2 802.11n Wireless Adapter [Realtek RTL8192CU] Status in linux package in Ubuntu: Confirmed Bug description: Hi, attaching a Edimax EW-7612UAn V2 802.11n Wireless Adapter [Realtek RTL8192CU] on the machines usb port and connecting to a wifi spot seems to work fine. The system seems to have a physical connection to the other end (connection manager shows successfully established link with aquired ip/subnet, link speed and loaded driver) but no data will be transfered over the device. Having a closer look at the kernel messages, i found this: [ 2049.163706] ================================================================================ [ 2049.163773] UBSAN: array-index-out-of-bounds in /build/linux-WD899k/linux-5.15.0/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c:502:15 [ 2049.163789] index 13 is out of range for type 'rtl_tid_data [9]' [ 2049.163799] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.15.0-30-generic #31-Ubuntu [ 2049.163810] Hardware name: Default string Default string/Default string, BIOS $(AMI_ROM_NAME)_Trtl$(2021)$(03)$(12)$(18)$(44) 03/12/2021 [ 2049.163815] Call Trace: [ 2049.163821] <IRQ> [ 2049.163830] show_stack+0x52/0x58 [ 2049.163868] dump_stack_lvl+0x4a/0x5f [ 2049.163896] dump_stack+0x10/0x12 [ 2049.163912] ubsan_epilogue+0x9/0x45 [ 2049.163928] __ubsan_handle_out_of_bounds.cold+0x44/0x49 [ 2049.163950] rtl92cu_tx_fill_desc+0x515/0x530 [rtl8192cu] [ 2049.164000] _rtl_usb_tx_preprocess+0xdf/0x180 [rtl_usb] [ 2049.164016] rtl_usb_tx+0x60/0x1a0 [rtl_usb] [ 2049.164030] rtl_op_tx+0xb0/0xd0 [rtlwifi] [ 2049.164064] ieee80211_tx_frags+0x16a/0x240 [mac80211] [ 2049.164273] __ieee80211_tx+0x78/0x170 [mac80211] [ 2049.164454] ? invoke_tx_handlers_late+0x201/0x310 [mac80211] [ 2049.164636] ieee80211_tx+0xfa/0x150 [mac80211] [ 2049.164818] ieee80211_xmit+0xc0/0xf0 [mac80211] [ 2049.164997] __ieee80211_tx_skb_tid_band+0x6d/0x80 [mac80211] [ 2049.165178] ieee80211_rx_h_action_return+0xf9/0x160 [mac80211] [ 2049.165357] ieee80211_rx_handlers+0x3c6/0x590 [mac80211] [ 2049.165537] ieee80211_prepare_and_rx_handle+0x159/0x480 [mac80211] [ 2049.165719] ? sta_info_hash_lookup+0xac/0x100 [mac80211] [ 2049.165892] __ieee80211_rx_handle_packet+0x19b/0x310 [mac80211] [ 2049.166069] ? ieee80211_rx_monitor+0x10d/0x4f0 [mac80211] [ 2049.166248] ieee80211_rx_list+0x227/0x380 [mac80211] [ 2049.166425] ? rtl_process_phyinfo+0xe1/0x2f0 [rtlwifi] [ 2049.166457] ieee80211_rx_napi+0x38/0xa0 [mac80211] [ 2049.166636] _rtl_usb_rx_process_noagg+0x1a7/0x1e0 [rtl_usb] [ 2049.166653] _rtl_rx_work+0x69/0x120 [rtl_usb] [ 2049.166664] tasklet_action_common.constprop.0+0xbd/0xf0 [ 2049.166679] tasklet_action+0x22/0x30 [ 2049.166688] __do_softirq+0xd6/0x2e3 [ 2049.166701] irq_exit_rcu+0x8c/0xb0 [ 2049.166711] common_interrupt+0x8a/0xa0 [ 2049.166723] </IRQ> [ 2049.166726] <TASK> [ 2049.166730] asm_common_interrupt+0x1e/0x40 [ 2049.166739] RIP: 0010:cpuidle_enter_state+0xd9/0x620 [ 2049.166754] Code: 3d c4 4b 1e 4a e8 d7 ad 6c ff 49 89 c7 0f 1f 44 00 00 31 ff e8 28 ba 6c ff 80 7d d0 00 0f 85 5d 01 00 00 fb 66 0f 1f 44 00 00 <45> 85 f6 0f 88 69 01 00 00 4d 63 ee 49 83 fd 09 0f 87 e3 03 00 00 [ 2049.166761] RSP: 0018:ffffb52f400d3e28 EFLAGS: 00000246 [ 2049.166771] RAX: ffff8b14bbcb0f00 RBX: ffff8b14425e9400 RCX: 0000000000000000 [ 2049.166777] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 2049.166781] RBP: ffffb52f400d3e78 R08: 000001dd1baa4837 R09: 0000000000000000 [ 2049.166786] R10: 0000000000000000 R11: 071c71c71c71c71c R12: ffffffffb74e60a0 [ 2049.166792] R13: 0000000000000003 R14: 0000000000000003 R15: 000001dd1baa4837 [ 2049.166801] ? cpuidle_enter_state+0xc8/0x620 [ 2049.166810] ? tick_nohz_stop_tick+0x166/0x1d0 [ 2049.166824] cpuidle_enter+0x2e/0x40 [ 2049.166832] cpuidle_idle_call+0x13e/0x1e0 [ 2049.166843] do_idle+0x83/0xf0 [ 2049.166850] cpu_startup_entry+0x20/0x30 [ 2049.166857] start_secondary+0x12a/0x180 [ 2049.166868] secondary_startup_64_no_verify+0xc2/0xcb [ 2049.166883] </TASK> [ 2049.166888] ================================================================================ System details are: Linux computer 5.15.0-30-generic #31-Ubuntu SMP Thu May 5 10:00:34 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux Distributor ID: Ubuntu Description: Ubuntu 22.04 LTS Release: 22.04 Codename: jammy Bus 001 Device 009: ID 7392:7822 Edimax Technology Co., Ltd EW-7612UAn V2 802.11n Wireless Adapter [Realtek RTL8192CU] Module info is: filename: /lib/modules/5.15.0-30-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/rtl8192cu.ko firmware: rtlwifi/rtl8192cufw_TMSC.bin firmware: rtlwifi/rtl8192cufw_B.bin firmware: rtlwifi/rtl8192cufw_A.bin firmware: rtlwifi/rtl8192cufw.bin description: Realtek 8192C/8188C 802.11n USB wireless license: GPL author: Larry Finger <larry.fin...@lwfinger.net> author: Ziv Huang <ziv_hu...@realtek.com> author: Georgia <geor...@realtek.com> srcversion: 5CAF4BE844BD88E11C7CDB1 alias: usb:v7392p7822d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v2357p0100d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v20F4p624Dd*dc*dsc*dp*ic*isc*ip*in* alias: usb:v2019pAB2Bd*dc*dsc*dp*ic*isc*ip*in* alias: usb:v2001p330Dd*dc*dsc*dp*ic*isc*ip*in* alias: usb:v2001p330Ad*dc*dsc*dp*ic*isc*ip*in* alias: usb:v2001p3309d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v2001p3307d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0E66p0019d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0DF6p0061d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0BDAp8186d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0B05p17ABd*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0846pF001d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0846p9021d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v07B8p8178d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v07AAp0056d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0586p341Fd*dc*dsc*dp*ic*isc*ip*in* alias: usb:v050Dp2103d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v050Dp2102d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v050Dp1004d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v2019p1201d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v04F2pAFFCd*dc*dsc*dp*ic*isc*ip*in* alias: usb:v04F2pAFFBd*dc*dsc*dp*ic*isc*ip*in* alias: usb:v04F2pAFF8d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v04F2pAFFAd*dc*dsc*dp*ic*isc*ip*in* alias: usb:v04F2pAFF9d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v04F2pAFF7d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0BDAp317Fd*dc*dsc*dp*ic*isc*ip*in* alias: usb:v9846p9041d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v4855p0091d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v4855p0090d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v13D3p3359d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v13D3p3358d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v7392p7811d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v20F4p648Bd*dc*dsc*dp*ic*isc*ip*in* alias: usb:v2019pED17d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v2019pAB2Ed*dc*dsc*dp*ic*isc*ip*in* alias: usb:v2019pAB2Ad*dc*dsc*dp*ic*isc*ip*in* alias: usb:v2019p4902d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v2001p3308d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v13D3p3357d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v103Cp1629d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v4856p0091d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0EB0p9071d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0DF6p0077d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0DF6p0070d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0DF6p005Cd*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0DF6p0052d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0BDAp5088d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0B05p17BAd*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0846p9043d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0846p9041d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v07B8p8189d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v07B8p8188d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v06F8pE033d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v050Dp11F2d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v050Dp1102d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0BDAp817Cd*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0BDAp8178d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0BDAp8754d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0BDAp819Ad*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0BDAp818Ad*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0BDAp817Fd*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0BDAp817Ed*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0BDAp817Dd*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0BDAp817Bd*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0BDAp817Ad*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0BDAp8177d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0BDAp8176d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0BDAp8170d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0BDAp018Ad*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0BDAp8191d*dc*dsc*dp*ic*isc*ip*in* depends: mac80211,rtlwifi,rtl8192c-common,rtl_usb retpoline: Y intree: Y name: rtl8192cu vermagic: 5.15.0-30-generic SMP mod_unload modversions sig_id: PKCS#7 signer: Build time autogenerated kernel key sig_key: 01:A1:3E:75:8C:C5:92:F2:A0:1C:F3:67:B7:CA:07:90:B9:4F:50:93 sig_hashalgo: sha512 signature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parm: swenc:Set to 1 for software crypto (default 0) (bool) parm: debug_level:Set debug level (0-5) (default 0) (int) parm: debug_mask:Set debug mask (default 0) (ullong) To manage notifications about this bug go to: 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