Been looking through my boot logs and found these enties:
Jun 27 21:30:21 cyaohost kernel: wl: loading out-of-tree module taints kernel.
Jun 27 21:30:21 cyaohost kernel: wl: module license 'MIXED/Proprietary' taints kernel.
Jun 27 21:30:21 cyaohost kernel: Disabling lock debugging due to kernel taint
Jun 27 21:30:21 cyaohost kernel: wl: module verification failed: signature and/or required key missing - tainting kernel
Jun 27 21:30:21 cyaohost kernel: wl: module license taints kernel.
Jun 27 21:30:21 cyaohost kernel: ------------[ cut here ]------------
Jun 27 21:30:21 cyaohost kernel: Unpatched return thunk in use. This should not happen!
Jun 27 21:30:21 cyaohost kernel: WARNING: CPU: 2 PID: 413 at arch/x86/kernel/cpu/bugs.c:3023 __warn_thunk+0x2a/0x40
Jun 27 21:30:21 cyaohost kernel: Modules linked in: wl(POE+) polyval_clmulni polyval_generic gf128mul snd_hda_codec_cirrus snd_hda_codec_generic ghash_clmulni_intel snd_hda_codec_hdmi sha512_ssse3 snd_hda_intel spi_nor snd_i>
Jun 27 21:30:21 cyaohost kernel: scsi_transport_sas uas usb_storage i915 i2c_algo_bit drm_buddy ttm intel_gtt drm_display_helper crc32c_intel cec xhci_pci video xhci_pci_renesas wmi
Jun 27 21:30:21 cyaohost kernel: CPU: 2 PID: 413 Comm: (udev-worker) Tainted: P OE 6.9.6-zen1-1-zen #1 bc4e5659a50d29b38cc7380c26d95d4a875d8207
Jun 27 21:30:21 cyaohost kernel: Hardware name: Apple Inc. MacBookPro11,1/Mac-189A3D4F975D5FFC, BIOS 478.0.0.0.0 01/13/2023
Jun 27 21:30:21 cyaohost kernel: RIP: 0010:__warn_thunk+0x2a/0x40
Does anyone know what it means? Googling returns nothing useful