Happening with latest kernel for Ubuntu 24. This caused a network stack stop, restarting wpa_supplicant etc. didn't work, I had to reboot to get the wifi working again.
Linux ubuntu24-imac 6.8.0-47-generic #47-Ubuntu SMP PREEMPT_DYNAMIC Fri Sep 27 21:40:26 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux kernel: UBSAN: array-index-out-of-bounds in /var/lib/dkms/broadcom-sta/6.30.223.271/build/src/wl/sys/wl_cfg80211_hybrid.c:2394:26 kernel: index 1 is out of range for type 'uint8 [1]' kernel: CPU: 3 PID: 653 Comm: wl_event_handle Tainted: P OE 6.8.0-47-generic #47-Ubuntu kernel: Hardware name: Apple Inc. iMac14,2/Mac-27ADBB7B4CEE8E61, BIOS 433.140.2.0.0 04/18/2022 kernel: Call Trace: kernel: <TASK> kernel: dump_stack_lvl+0x76/0xa0 kernel: dump_stack+0x10/0x20 kernel: __ubsan_handle_out_of_bounds+0xc6/0x110 kernel: wl_update_bss_info+0x10f/0x370 [wl] kernel: wl_bss_connect_done.isra.0+0x170/0x2a0 [wl] kernel: wl_notify_connect_status+0xdf/0x450 [wl] kernel: wl_event_handler+0x7b/0x240 [wl] kernel: ? __pfx_wl_event_handler+0x10/0x10 [wl] kernel: kthread+0xf2/0x120 kernel: ? __pfx_kthread+0x10/0x10 kernel: ret_from_fork+0x47/0x70 kernel: ? __pfx_kthread+0x10/0x10 kernel: ret_from_fork_asm+0x1b/0x30 kernel: </TASK> kernel: ---[ end trace ]--- -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to broadcom-sta in Ubuntu. https://bugs.launchpad.net/bugs/2065839 Title: UBSAN: array-index-out-of-bounds Status in broadcom-sta package in Ubuntu: Confirmed Bug description: [ 43.991642] ------------[ cut here ]------------ [ 43.991650] UBSAN: array-index-out-of-bounds in /var/lib/dkms/broadcom-sta/6.30.223.271/build/src/wl/sys/wl_cfg80211_hybrid.c:2394:26 [ 43.991659] index 1 is out of range for type 'uint8 [1]' [ 43.991663] CPU: 1 PID: 763 Comm: wl_event_handle Tainted: P OE 6.8.0-31-generic #31-Ubuntu [ 43.991668] Hardware name: Apple Inc. MacBookAir4,2/Mac-742912EFDBEE19B3, BIOS 135.0.0.0.0 06/14/2019 [ 43.991670] Call Trace: [ 43.991674] <TASK> [ 43.991678] dump_stack_lvl+0x48/0x70 [ 43.991692] dump_stack+0x10/0x20 [ 43.991697] __ubsan_handle_out_of_bounds+0xc6/0x110 [ 43.991703] wl_update_bss_info+0x10f/0x370 [wl] [ 43.991807] wl_bss_connect_done.isra.0+0x170/0x2a0 [wl] [ 43.991901] wl_notify_connect_status+0xdf/0x450 [wl] [ 43.991998] wl_event_handler+0x7b/0x240 [wl] [ 43.992077] ? __pfx_wl_event_handler+0x10/0x10 [wl] [ 43.992147] kthread+0xf2/0x120 [ 43.992151] ? __pfx_kthread+0x10/0x10 [ 43.992154] ret_from_fork+0x47/0x70 [ 43.992158] ? __pfx_kthread+0x10/0x10 [ 43.992160] ret_from_fork_asm+0x1b/0x30 [ 43.992165] </TASK> [ 43.992166] ---[ end trace ]--- ProblemType: Bug DistroRelease: Ubuntu 24.04 Package: linux-image-6.8.0-31-generic 6.8.0-31.31 ProcVersionSignature: Ubuntu 6.8.0-31.31-generic 6.8.1 Uname: Linux 6.8.0-31-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.28.1-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/seq: js1 1135 F.... pipewire /dev/snd/controlC0: js1 1137 F.... wireplumber CRDA: N/A CasperMD5CheckResult: unknown CurrentDesktop: KDE Date: Wed May 15 22:42:50 2024 InstallationDate: Installed on 2024-03-01 (75 days ago) InstallationMedia: Kubuntu 23.10 "Mantic Minotaur" - Release amd64 (20231010) MachineType: Apple Inc. MacBookAir4,2 ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.8.0-31-generic root=/dev/mapper/vgkubuntu-root ro ipv6.disable=1 quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-6.8.0-31-generic N/A linux-backports-modules-6.8.0-31-generic N/A linux-firmware 20240318.git3b128b60-0ubuntu2 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 06/14/2019 dmi.bios.release: 0.1 dmi.bios.vendor: Apple Inc. dmi.bios.version: 135.0.0.0.0 dmi.board.asset.tag: Base Board Asset Tag# dmi.board.name: Mac-742912EFDBEE19B3 dmi.board.vendor: Apple Inc. dmi.board.version: MacBookAir4,2 dmi.chassis.type: 10 dmi.chassis.vendor: Apple Inc. dmi.chassis.version: Mac-742912EFDBEE19B3 dmi.modalias: dmi:bvnAppleInc.:bvr135.0.0.0.0:bd06/14/2019:br0.1:svnAppleInc.:pnMacBookAir4,2:pvr1.0:rvnAppleInc.:rnMac-742912EFDBEE19B3:rvrMacBookAir4,2:cvnAppleInc.:ct10:cvrMac-742912EFDBEE19B3:skuSystemSKU#: dmi.product.family: MacBook Air dmi.product.name: MacBookAir4,2 dmi.product.sku: System SKU# dmi.product.version: 1.0 dmi.sys.vendor: Apple Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/broadcom-sta/+bug/2065839/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp