Public bug reported:

This was simulated in an LXD container as well as my laptop running
questing. The following command was issued

sudo cat /sys/kernel/debug/tracing/rv/enabled_monitors

Below is the output in /var/log/syslog

2025-11-26T10:42:41.264874+00:00 arif-laptop02 kernel: ------------[ cut here 
]------------
2025-11-26T10:42:41.264877+00:00 arif-laptop02 kernel: UBSAN: invalid-load in 
/build/linux-8YMEfB/linux-6.17.0/kernel/trace/rv/rv.c:503:10
2025-11-26T10:42:41.264880+00:00 arif-laptop02 kernel: load of value 247 is not 
a valid value for type '_Bool'
2025-11-26T10:42:41.264882+00:00 arif-laptop02 kernel: CPU: 8 UID: 0 PID: 
433345 Comm: cat Tainted: P        W  OE       6.17.0-7-generic #7-Ubuntu 
PREEMPT(voluntary) 
2025-11-26T10:42:41.264883+00:00 arif-laptop02 kernel: Tainted: 
[P]=PROPRIETARY_MODULE, [W]=WARN, [O]=OOT_MODULE, [E]=UNSIGNED_MODULE
2025-11-26T10:42:41.264884+00:00 arif-laptop02 kernel: Hardware name: Framework 
Laptop (12th Gen Intel Core)/FRANMACP08, BIOS 03.18 07/02/2025
2025-11-26T10:42:41.264885+00:00 arif-laptop02 kernel: Call Trace:
2025-11-26T10:42:41.264886+00:00 arif-laptop02 kernel:  <TASK>
2025-11-26T10:42:41.264887+00:00 arif-laptop02 kernel:  show_stack+0x49/0x60
2025-11-26T10:42:41.264888+00:00 arif-laptop02 kernel:  dump_stack_lvl+0x5f/0x90
2025-11-26T10:42:41.264889+00:00 arif-laptop02 kernel:  dump_stack+0x10/0x18
2025-11-26T10:42:41.264890+00:00 arif-laptop02 kernel:  ubsan_epilogue+0x9/0x39
2025-11-26T10:42:41.264891+00:00 arif-laptop02 kernel:  
__ubsan_handle_load_invalid_value.cold+0x64/0x6d
2025-11-26T10:42:41.264892+00:00 arif-laptop02 kernel:  
enabled_monitors_start.cold+0x1a/0x2b
2025-11-26T10:42:41.265512+00:00 arif-laptop02 kernel:  
seq_read_iter+0x107/0x490
2025-11-26T10:42:41.265521+00:00 arif-laptop02 kernel:  seq_read+0x11b/0x160
2025-11-26T10:42:41.265523+00:00 arif-laptop02 kernel:  vfs_read+0xbc/0x3a0
2025-11-26T10:42:41.265525+00:00 arif-laptop02 kernel:  ? 
obj_cgroup_uncharge_pages+0x80/0x100
2025-11-26T10:42:41.265526+00:00 arif-laptop02 kernel:  ? 
refill_obj_stock+0x1db/0x270
2025-11-26T10:42:41.265528+00:00 arif-laptop02 kernel:  ksys_read+0x71/0xf0
2025-11-26T10:42:41.265529+00:00 arif-laptop02 kernel:  __x64_sys_read+0x19/0x30
2025-11-26T10:42:41.265530+00:00 arif-laptop02 kernel:  
x64_sys_call+0x1e95/0x2330
2025-11-26T10:42:41.265531+00:00 arif-laptop02 kernel:  do_syscall_64+0x81/0xc90
2025-11-26T10:42:41.265532+00:00 arif-laptop02 kernel:  ? 
refill_obj_stock+0x149/0x270
2025-11-26T10:42:41.265533+00:00 arif-laptop02 kernel:  ? 
refill_obj_stock+0x149/0x270
2025-11-26T10:42:41.265538+00:00 arif-laptop02 kernel:  ? 
__memcg_slab_free_hook+0x115/0x190
2025-11-26T10:42:41.265540+00:00 arif-laptop02 kernel:  ? dentry_free+0x35/0x90
2025-11-26T10:42:41.265541+00:00 arif-laptop02 kernel:  ? 
kmem_cache_free+0x4b4/0x4f0
2025-11-26T10:42:41.265542+00:00 arif-laptop02 kernel:  ? __fput+0x1a2/0x2d0
2025-11-26T10:42:41.265542+00:00 arif-laptop02 kernel:  ? __fput+0x1a2/0x2d0
2025-11-26T10:42:41.265545+00:00 arif-laptop02 kernel:  ? 
fput_close_sync+0x40/0xc0
2025-11-26T10:42:41.265547+00:00 arif-laptop02 kernel:  ? 
__x64_sys_close+0x3e/0x90
2025-11-26T10:42:41.265548+00:00 arif-laptop02 kernel:  ? 
arch_exit_to_user_mode_prepare.isra.0+0xd/0xe0
2025-11-26T10:42:41.265549+00:00 arif-laptop02 kernel:  ? 
do_syscall_64+0xb9/0xc90
2025-11-26T10:42:41.265550+00:00 arif-laptop02 kernel:  ? do_fault+0x165/0x290
2025-11-26T10:42:41.265551+00:00 arif-laptop02 kernel:  ? 
pte_offset_map_rw_nolock+0x20/0xa0
2025-11-26T10:42:41.265552+00:00 arif-laptop02 kernel:  ? 
handle_pte_fault+0x141/0x1f0
2025-11-26T10:42:41.265553+00:00 arif-laptop02 kernel:  ? 
__x64_sys_splice+0x8d/0x130
2025-11-26T10:42:41.265553+00:00 arif-laptop02 kernel:  ? 
__handle_mm_fault+0x59d/0x720
2025-11-26T10:42:41.265554+00:00 arif-laptop02 kernel:  ? 
count_memcg_events+0xe7/0x250
2025-11-26T10:42:41.265555+00:00 arif-laptop02 kernel:  ? 
handle_mm_fault+0x1e8/0x2f0
2025-11-26T10:42:41.265556+00:00 arif-laptop02 kernel:  ? 
arch_exit_to_user_mode_prepare.isra.0+0xd/0x100
2025-11-26T10:42:41.265557+00:00 arif-laptop02 kernel:  ? 
irqentry_exit_to_user_mode+0x2d/0x1d0
2025-11-26T10:42:41.265558+00:00 arif-laptop02 kernel:  ? 
irqentry_exit+0x43/0x50
2025-11-26T10:42:41.265559+00:00 arif-laptop02 kernel:  ? 
exc_page_fault+0x90/0x1b0
2025-11-26T10:42:41.265560+00:00 arif-laptop02 kernel:  
entry_SYSCALL_64_after_hwframe+0x76/0x7e
2025-11-26T10:42:41.265561+00:00 arif-laptop02 kernel: RIP: 0033:0x7bdf2a2a0186
2025-11-26T10:42:41.265562+00:00 arif-laptop02 kernel: Code: 47 ba 04 00 00 00 
48 8b 05 87 3c 19 00 64 89 10 48 c7 c2 ff ff ff ff c9 48 89 d0 c3 0f 1f 84 00 
00 00 00 00 48 8b 45 10 0f 05 <48> 89 c2 48 3d 00 f0 ff ff 77 0f c9 48 89 d0 c3 
66 2e 0f 1f 84 00
2025-11-26T10:42:41.265564+00:00 arif-laptop02 kernel: RSP: 
002b:00007fff042930a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
2025-11-26T10:42:41.265565+00:00 arif-laptop02 kernel: RAX: ffffffffffffffda 
RBX: 00007fff042a3210 RCX: 00007bdf2a2a0186
2025-11-26T10:42:41.265566+00:00 arif-laptop02 kernel: RDX: 0000000000010000 
RSI: 00007fff042930f0 RDI: 0000000000000003
2025-11-26T10:42:41.265567+00:00 arif-laptop02 kernel: RBP: 00007fff042930b0 
R08: 0000000000000000 R09: 0000000000000000
2025-11-26T10:42:41.265568+00:00 arif-laptop02 kernel: R10: 0000000000000000 
R11: 0000000000000202 R12: 8000000000000006
2025-11-26T10:42:41.265569+00:00 arif-laptop02 kernel: R13: 00007fff042930f0 
R14: 00007fff042a31a0 R15: 0000598b43d55000
2025-11-26T10:42:41.265570+00:00 arif-laptop02 kernel:  </TASK>
2025-11-26T10:42:41.265571+00:00 arif-laptop02 kernel: ---[ end trace ]---
2025-11-26T10:42:41.265572+00:00 arif-laptop02 kernel: BUG: unable to handle 
page fault for address: 0000000a800001f7
2025-11-26T10:42:41.265573+00:00 arif-laptop02 kernel: #PF: supervisor read 
access in kernel mode
2025-11-26T10:42:41.265574+00:00 arif-laptop02 kernel: #PF: error_code(0x0000) 
- not-present page
2025-11-26T10:42:41.265575+00:00 arif-laptop02 kernel: PGD 0 P4D 0 
2025-11-26T10:42:41.265576+00:00 arif-laptop02 kernel: Oops: Oops: 0000 [#1] 
SMP NOPTI
2025-11-26T10:42:41.265577+00:00 arif-laptop02 kernel: CPU: 8 UID: 0 PID: 
433345 Comm: cat Tainted: P        W  OE       6.17.0-7-generic #7-Ubuntu 
PREEMPT(voluntary) 
2025-11-26T10:42:41.265578+00:00 arif-laptop02 kernel: Tainted: 
[P]=PROPRIETARY_MODULE, [W]=WARN, [O]=OOT_MODULE, [E]=UNSIGNED_MODULE
2025-11-26T10:42:41.265579+00:00 arif-laptop02 kernel: Hardware name: Framework 
Laptop (12th Gen Intel Core)/FRANMACP08, BIOS 03.18 07/02/2025
2025-11-26T10:42:41.265580+00:00 arif-laptop02 kernel: RIP: 
0010:monitors_show+0x16/0x60
2025-11-26T10:42:41.265581+00:00 arif-laptop02 kernel: Code: 00 00 00 00 90 90 
90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 55 48 8b 46 10 48 8b 
4e c0 48 89 e5 48 85 c0 74 1f <48> 8b 10 48 c7 c6 79 3e de 95 e8 5b cc 26 00 31 
c0 5d 31 d2 31 c9
2025-11-26T10:42:41.265582+00:00 arif-laptop02 kernel: RSP: 
0018:ffffcd03ce313928 EFLAGS: 00010202
2025-11-26T10:42:41.265659+00:00 arif-laptop02 kernel: RAX: 0000000a800001f7 
RBX: 0000000000000000 RCX: 0000000000000000
2025-11-26T10:42:41.265662+00:00 arif-laptop02 kernel: RDX: 0000000000000000 
RSI: ffffffff9681eb78 RDI: ffff8b304ca1b168
2025-11-26T10:42:41.265663+00:00 arif-laptop02 kernel: RBP: ffffcd03ce313928 
R08: 0000000000000000 R09: 0000000000000000
2025-11-26T10:42:41.265664+00:00 arif-laptop02 kernel: R10: 0000000000000000 
R11: 0000000000000000 R12: ffffcd03ce3139d0
2025-11-26T10:42:41.265665+00:00 arif-laptop02 kernel: R13: ffff8b3398ad8000 
R14: ffff8b304ca1b168 R15: ffffffff9681eb78
2025-11-26T10:42:41.265666+00:00 arif-laptop02 kernel: FS:  
00007bdf2a570bc0(0000) GS:ffff8b401867f000(0000) knlGS:0000000000000000
2025-11-26T10:42:41.265667+00:00 arif-laptop02 kernel: CS:  0010 DS: 0000 ES: 
0000 CR0: 0000000080050033
2025-11-26T10:42:41.265668+00:00 arif-laptop02 kernel: CR2: 0000000a800001f7 
CR3: 00000007aeece003 CR4: 0000000000f72ef0
2025-11-26T10:42:41.265669+00:00 arif-laptop02 kernel: PKRU: 55555554
2025-11-26T10:42:41.265670+00:00 arif-laptop02 kernel: Call Trace:
2025-11-26T10:42:41.265671+00:00 arif-laptop02 kernel:  <TASK>
2025-11-26T10:42:41.265672+00:00 arif-laptop02 kernel:  
seq_read_iter+0x12d/0x490
2025-11-26T10:42:41.265672+00:00 arif-laptop02 kernel:  seq_read+0x11b/0x160
2025-11-26T10:42:41.265673+00:00 arif-laptop02 kernel:  vfs_read+0xbc/0x3a0
2025-11-26T10:42:41.265674+00:00 arif-laptop02 kernel:  ? 
obj_cgroup_uncharge_pages+0x80/0x100
2025-11-26T10:42:41.265675+00:00 arif-laptop02 kernel:  ? 
refill_obj_stock+0x1db/0x270
2025-11-26T10:42:41.265677+00:00 arif-laptop02 kernel:  ksys_read+0x71/0xf0
2025-11-26T10:42:41.265677+00:00 arif-laptop02 kernel:  __x64_sys_read+0x19/0x30
2025-11-26T10:42:41.265678+00:00 arif-laptop02 kernel:  
x64_sys_call+0x1e95/0x2330
2025-11-26T10:42:41.265679+00:00 arif-laptop02 kernel:  do_syscall_64+0x81/0xc90
2025-11-26T10:42:41.265680+00:00 arif-laptop02 kernel:  ? 
refill_obj_stock+0x149/0x270
2025-11-26T10:42:41.265681+00:00 arif-laptop02 kernel:  ? 
refill_obj_stock+0x149/0x270
2025-11-26T10:42:41.265683+00:00 arif-laptop02 kernel:  ? 
__memcg_slab_free_hook+0x115/0x190
2025-11-26T10:42:41.265685+00:00 arif-laptop02 kernel:  ? dentry_free+0x35/0x90
2025-11-26T10:42:41.265686+00:00 arif-laptop02 kernel:  ? 
kmem_cache_free+0x4b4/0x4f0
2025-11-26T10:42:41.265686+00:00 arif-laptop02 kernel:  ? __fput+0x1a2/0x2d0
2025-11-26T10:42:41.265687+00:00 arif-laptop02 kernel:  ? __fput+0x1a2/0x2d0
2025-11-26T10:42:41.265689+00:00 arif-laptop02 kernel:  ? 
fput_close_sync+0x40/0xc0
2025-11-26T10:42:41.265690+00:00 arif-laptop02 kernel:  ? 
__x64_sys_close+0x3e/0x90
2025-11-26T10:42:41.265691+00:00 arif-laptop02 kernel:  ? 
arch_exit_to_user_mode_prepare.isra.0+0xd/0xe0
2025-11-26T10:42:41.265692+00:00 arif-laptop02 kernel:  ? 
do_syscall_64+0xb9/0xc90
2025-11-26T10:42:41.265693+00:00 arif-laptop02 kernel:  ? do_fault+0x165/0x290
2025-11-26T10:42:41.265694+00:00 arif-laptop02 kernel:  ? 
pte_offset_map_rw_nolock+0x20/0xa0
2025-11-26T10:42:41.265695+00:00 arif-laptop02 kernel:  ? 
handle_pte_fault+0x141/0x1f0
2025-11-26T10:42:41.265696+00:00 arif-laptop02 kernel:  ? 
__x64_sys_splice+0x8d/0x130
2025-11-26T10:42:41.265697+00:00 arif-laptop02 kernel:  ? 
__handle_mm_fault+0x59d/0x720
2025-11-26T10:42:41.265698+00:00 arif-laptop02 kernel:  ? 
count_memcg_events+0xe7/0x250
2025-11-26T10:42:41.265699+00:00 arif-laptop02 kernel:  ? 
handle_mm_fault+0x1e8/0x2f0
2025-11-26T10:42:41.265700+00:00 arif-laptop02 kernel:  ? 
arch_exit_to_user_mode_prepare.isra.0+0xd/0x100
2025-11-26T10:42:41.265701+00:00 arif-laptop02 kernel:  ? 
irqentry_exit_to_user_mode+0x2d/0x1d0
2025-11-26T10:42:41.265702+00:00 arif-laptop02 kernel:  ? 
irqentry_exit+0x43/0x50
2025-11-26T10:42:41.265703+00:00 arif-laptop02 kernel:  ? 
exc_page_fault+0x90/0x1b0
2025-11-26T10:42:41.265704+00:00 arif-laptop02 kernel:  
entry_SYSCALL_64_after_hwframe+0x76/0x7e
2025-11-26T10:42:41.265705+00:00 arif-laptop02 kernel: RIP: 0033:0x7bdf2a2a0186
2025-11-26T10:42:41.265706+00:00 arif-laptop02 kernel: Code: 47 ba 04 00 00 00 
48 8b 05 87 3c 19 00 64 89 10 48 c7 c2 ff ff ff ff c9 48 89 d0 c3 0f 1f 84 00 
00 00 00 00 48 8b 45 10 0f 05 <48> 89 c2 48 3d 00 f0 ff ff 77 0f c9 48 89 d0 c3 
66 2e 0f 1f 84 00
2025-11-26T10:42:41.265707+00:00 arif-laptop02 kernel: RSP: 
002b:00007fff042930a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
2025-11-26T10:42:41.265708+00:00 arif-laptop02 kernel: RAX: ffffffffffffffda 
RBX: 00007fff042a3210 RCX: 00007bdf2a2a0186
2025-11-26T10:42:41.265709+00:00 arif-laptop02 kernel: RDX: 0000000000010000 
RSI: 00007fff042930f0 RDI: 0000000000000003
2025-11-26T10:42:41.265711+00:00 arif-laptop02 kernel: RBP: 00007fff042930b0 
R08: 0000000000000000 R09: 0000000000000000
2025-11-26T10:42:41.265712+00:00 arif-laptop02 kernel: R10: 0000000000000000 
R11: 0000000000000202 R12: 8000000000000006
2025-11-26T10:42:41.265716+00:00 arif-laptop02 kernel: R13: 00007fff042930f0 
R14: 00007fff042a31a0 R15: 0000598b43d55000
2025-11-26T10:42:41.265717+00:00 arif-laptop02 kernel:  </TASK>
2025-11-26T10:42:41.265719+00:00 arif-laptop02 kernel: Modules linked in: 
hid_vivaldi hid_vivaldi_common uhid snd_seq_dummy snd_hrtimer xt_CHECKSUM 
xt_MASQUERADE xt_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp nft_compat veth 
nft_masq nft_chain_nat zfs(PO) spl(O) ebtable_filter ebtables ip6table_raw 
ip6table_mangle ip6table_nat ip6table_filter ip6_tables iptable_raw 
iptable_mangle iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 
iptable_filter nf_tables vhost_vsock vmw_vsock_virtio_transport_common vhost 
vhost_iotlb vsock ccm 8021q garp mrp bonding tls bridge stp llc sunrpc 
snd_hda_codec_intelhdmi snd_hda_codec_idt snd_hda_codec_generic xe gpu_sched 
drm_gpuvm drm_gpusvm_helper drm_ttm_helper drm_exec drm_suballoc_helper qrtr 
rfcomm cmac algif_hash algif_skcipher af_alg bnep binfmt_misc nls_iso8859_1 
snd_hda_intel snd_sof_pci_intel_tgl snd_sof_pci_intel_cnl 
snd_sof_intel_hda_generic soundwire_intel snd_sof_intel_hda_sdw_bpt 
snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda_mlink 
snd_sof_intel_hda snd_hda_codec_hdmi soundwire_cadence
2025-11-26T10:42:41.265722+00:00 arif-laptop02 kernel:  snd_sof_pci 
snd_sof_xtensa_dsp snd_sof snd_sof_utils snd_soc_acpi_intel_match 
snd_soc_acpi_intel_sdca_quirks soundwire_generic_allocation snd_soc_acpi 
soundwire_bus intel_uncore_frequency snd_soc_sdca intel_uncore_frequency_common 
crc8 snd_soc_avs snd_soc_hda_codec snd_hda_ext_core snd_hda_codec iwlmvm 
snd_hda_core x86_pkg_temp_thermal snd_intel_dspcfg intel_powerclamp 
leds_cros_ec cros_usbpd_charger snd_intel_sdw_acpi snd_usb_audio snd_soc_core 
cros_charge_control gpio_cros_ec cros_usbpd_logger cros_usbpd_notify 
cros_kbd_led_backlight cros_ec_sysfs led_class_multicolor cros_ec_hwmon 
cros_ec_chardev cros_ec_debugfs coretemp snd_usbmidi_lib snd_compress snd_hwdep 
ac97_bus snd_ump snd_pcm_dmaengine mac80211 cros_ec_dev cmdlinepart uvcvideo 
snd_pcm kvm_intel spi_nor uvc snd_seq_midi libarc4 ee1004 mei_pxp mei_hdcp mtd 
intel_rapl_msr snd_seq_midi_event cros_ec_lpcs btusb gspca_vc032x cros_ec 
snd_rawmidi gspca_main kvm btrtl iwlwifi cros_ec_proto videobuf2_vmalloc i915 
btintel videobuf2_memops
2025-11-26T10:42:42.490191+00:00 arif-laptop02 kernel:  
processor_thermal_device_pci snd_seq i2c_i801 irqbypass btbcm hid_sensor_als 
videobuf2_v4l2 processor_thermal_device hid_sensor_trigger btmtk 
processor_thermal_wt_hint rapl industrialio_triggered_buffer intel_cstate 
wmi_bmof platform_temperature_control videobuf2_common snd_seq_device kfifo_buf 
i2c_smbus spi_intel_pci processor_thermal_soc_slider hid_sensor_iio_common 
mei_me processor_thermal_rfim drm_buddy i2c_mux spi_intel cfg80211 snd_timer 
videodev bluetooth mei industrialio ttm processor_thermal_rapl snd 
intel_rapl_common drm_display_helper processor_thermal_wt_req soundcore cec 
processor_thermal_power_floor rc_core mc processor_thermal_mbox i2c_algo_bit 
igen6_edac platform_profile intel_pmc_core pmt_telemetry pmt_discovery 
int3403_thermal pmt_class int340x_thermal_zone int3400_thermal 
intel_pmc_ssram_telemetry cdc_mbim acpi_thermal_rel intel_vsec cdc_wdm acpi_pad 
joydev input_leds mac_hid sch_fq_codel msr evdi(OE) parport_pc ppdev lp parport 
efi_pstore nfnetlink dmi_sysfs ip_tables x_tables autofs4
2025-11-26T10:42:42.490264+00:00 arif-laptop02 kernel:  btrfs blake2b_generic 
xor raid6_pq dm_crypt hid_logitech_hidpp hid_logitech_dj usbhid ucsi_acpi 
typec_ucsi typec cdc_ncm cdc_ether usbnet hid_multitouch hid_sensor_hub 
hid_generic r8152 mii nvme nvme_core psmouse video intel_lpss_pci 
polyval_clmulni ghash_clmulni_intel serio_raw i2c_hid_acpi nvme_keyring 
thunderbolt intel_lpss i2c_hid idma64 nvme_auth hid wmi pinctrl_tigerlake 
aesni_intel
2025-11-26T10:42:42.490271+00:00 arif-laptop02 kernel: CR2: 0000000a800001f7
2025-11-26T10:42:42.490275+00:00 arif-laptop02 kernel: ---[ end trace 
0000000000000000 ]---
2025-11-26T10:42:42.490279+00:00 arif-laptop02 kernel: RIP: 
0010:monitors_show+0x16/0x60
2025-11-26T10:42:42.490282+00:00 arif-laptop02 kernel: Code: 00 00 00 00 90 90 
90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 55 48 8b 46 10 48 8b 
4e c0 48 89 e5 48 85 c0 74 1f <48> 8b 10 48 c7 c6 79 3e de 95 e8 5b cc 26 00 31 
c0 5d 31 d2 31 c9
2025-11-26T10:42:42.490286+00:00 arif-laptop02 kernel: RSP: 
0018:ffffcd03ce313928 EFLAGS: 00010202
2025-11-26T10:42:42.490289+00:00 arif-laptop02 kernel: RAX: 0000000a800001f7 
RBX: 0000000000000000 RCX: 0000000000000000
2025-11-26T10:42:42.490292+00:00 arif-laptop02 kernel: RDX: 0000000000000000 
RSI: ffffffff9681eb78 RDI: ffff8b304ca1b168
2025-11-26T10:42:42.490296+00:00 arif-laptop02 kernel: RBP: ffffcd03ce313928 
R08: 0000000000000000 R09: 0000000000000000
2025-11-26T10:42:42.490298+00:00 arif-laptop02 kernel: R10: 0000000000000000 
R11: 0000000000000000 R12: ffffcd03ce3139d0
2025-11-26T10:42:42.490301+00:00 arif-laptop02 kernel: R13: ffff8b3398ad8000 
R14: ffff8b304ca1b168 R15: ffffffff9681eb78
2025-11-26T10:42:42.490304+00:00 arif-laptop02 kernel: FS:  
00007bdf2a570bc0(0000) GS:ffff8b401867f000(0000) knlGS:0000000000000000
2025-11-26T10:42:42.490307+00:00 arif-laptop02 kernel: CS:  0010 DS: 0000 ES: 
0000 CR0: 0000000080050033
2025-11-26T10:42:42.490311+00:00 arif-laptop02 kernel: CR2: 0000000a800001f7 
CR3: 00000007aeece003 CR4: 0000000000f72ef0
2025-11-26T10:42:42.490313+00:00 arif-laptop02 kernel: PKRU: 55555554
2025-11-26T10:42:42.490317+00:00 arif-laptop02 kernel: note: cat[433345] exited 
with irqs disabled

The issue is resolved in the following commit

https://github.com/torvalds/linux/commit/103541e6a5854b08a25e4caa61e990af1009a52e

curently this is in upstream 6.18 kernel as shown below

❱❱❱ git tag --contains 103541e6a5854b08a25e4caa61e990af1009a52e | cat
next-20251121
v6.18-rc3
v6.18-rc4
v6.18-rc5
v6.18-rc6
v6.18-rc7

So, may need to be back-ported to the questing kernel

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: linux (Ubuntu Questing)
     Importance: Undecided
         Status: New

** Affects: linux (Ubuntu Resolute)
     Importance: Undecided
         Status: New

** Also affects: linux (Ubuntu Questing)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Resolute)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/2132986

Title:
  Accessing enabled_monitors causes kernel oops

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