[ 86.847176][ T31] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.1.51' (ED25519) to the list of known hosts.
2026/08/08 09:29:10 parsed 1 programs
2026/08/08 09:29:10 serving rpc on tcp://37279
[ 92.764187][ T5596] cgroup: Unknown subsys name 'net'
[ 93.005555][ T5596] cgroup: Unknown subsys name 'cpuset'
[ 93.059185][ T5596] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 95.021285][ T5596] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 99.798459][ T4898] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 99.808479][ T4898] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 99.810875][ T4898] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 99.812060][ T4898] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 99.812827][ T4898] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 101.698288][ T5650] bridge0: port 1(bridge_slave_0) entered blocking state
[ 101.698809][ T5650] bridge0: port 1(bridge_slave_0) entered disabled state
[ 101.698965][ T5650] bridge_slave_0: entered allmulticast mode
[ 101.722714][ T5650] bridge_slave_0: entered promiscuous mode
[ 101.726310][ T5650] bridge0: port 2(bridge_slave_1) entered blocking state
[ 101.726442][ T5650] bridge0: port 2(bridge_slave_1) entered disabled state
[ 101.726537][ T5650] bridge_slave_1: entered allmulticast mode
[ 101.728140][ T5650] bridge_slave_1: entered promiscuous mode
[ 101.783992][ T5650] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 101.786724][ T5650] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 101.822937][ T5650] team0: Port device team_slave_0 added
[ 101.825150][ T5650] team0: Port device team_slave_1 added
[ 101.860627][ T5650] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 101.860641][ T5650] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 101.860656][ T5650] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 101.863452][ T5650] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 101.863468][ T5650] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 101.863488][ T5650] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 101.945979][ T5650] hsr_slave_0: entered promiscuous mode
[ 101.947458][ T5650] hsr_slave_1: entered promiscuous mode
[ 102.278422][ T5650] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 102.327458][ T5650] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 102.331191][ T5650] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 102.365519][ T5650] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 102.367787][ T5650] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 102.401946][ T5650] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 102.405317][ T5650] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 102.442512][ T5650] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 102.505948][ T5650] bridge0: port 2(bridge_slave_1) entered blocking state
[ 102.506176][ T5650] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 102.508053][ T5650] bridge0: port 1(bridge_slave_0) entered blocking state
[ 102.508244][ T5650] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 102.579268][ T1017] bridge0: port 1(bridge_slave_0) entered disabled state
[ 102.620084][ T1017] bridge0: port 2(bridge_slave_1) entered disabled state
[ 102.880887][ T5650] 8021q: adding VLAN 0 to HW filter on device bond0
[ 102.938020][ T5650] 8021q: adding VLAN 0 to HW filter on device team0
[ 102.959857][ T1013] bridge0: port 1(bridge_slave_0) entered blocking state
[ 102.960110][ T1013] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 102.967240][ T1013] bridge0: port 2(bridge_slave_1) entered blocking state
[ 102.967373][ T1013] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 103.406888][ T5650] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 103.473064][ T5650] veth0_vlan: entered promiscuous mode
[ 103.491536][ T5650] veth1_vlan: entered promiscuous mode
[ 103.534002][ T5650] veth0_macvtap: entered promiscuous mode
[ 103.538418][ T5650] veth1_macvtap: entered promiscuous mode
[ 103.578361][ T5650] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 103.590060][ T5650] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 103.802236][ T1005] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 103.870249][ T1005] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 103.870299][ T1005] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 103.870332][ T1005] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 104.223651][ T1013] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 105.083598][ T1013] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 105.622906][ T1017] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 105.622929][ T1017] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 105.712565][ T66] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 105.712587][ T66] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 105.902859][ T1013] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 106.855540][ T1013] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 107.589522][ T1013] bridge_slave_1: left allmulticast mode
[ 107.589709][ T1013] bridge_slave_1: left promiscuous mode
[ 107.623374][ T1013] bridge0: port 2(bridge_slave_1) entered disabled state
[ 107.811681][ T1013] bridge_slave_0: left allmulticast mode
[ 107.811720][ T1013] bridge_slave_0: left promiscuous mode
[ 107.811988][ T1013] bridge0: port 1(bridge_slave_0) entered disabled state
[ 108.579340][ T1013] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 108.659275][ T1013] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 108.683682][ T1013] bond0 (unregistering): Released all slaves
[ 108.741048][ T5244] 8021q: adding VLAN 0 to HW filter on device eth1
[ 109.124865][ T1013] hsr_slave_0: left promiscuous mode
[ 109.159124][ T1013] hsr_slave_1: left promiscuous mode
[ 109.160900][ T1013] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 109.160958][ T1013] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 109.222065][ T1013] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 109.224626][ T1013] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 109.328231][ T1013] veth1_macvtap: left promiscuous mode
[ 109.328488][ T1013] veth0_macvtap: left promiscuous mode
[ 109.334399][ T1013] veth1_vlan: left promiscuous mode
[ 109.335280][ T1013] veth0_vlan: left promiscuous mode
[ 110.099410][ T1013] team0 (unregistering): Port device team_slave_1 removed
[ 110.129314][ T1013] team0 (unregistering): Port device team_slave_0 removed
[ 110.323431][ T5244] 8021q: adding VLAN 0 to HW filter on device eth2
2026/08/08 09:29:32 executed programs: 0
[ 111.302708][ T5244] 8021q: adding VLAN 0 to HW filter on device eth3
[ 111.407383][ T59] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 111.427531][ T59] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 111.433614][ T59] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 111.438124][ T59] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 111.442517][ T59] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 112.560670][ T5244] 8021q: adding VLAN 0 to HW filter on device eth4
[ 113.176012][ T5766] bridge0: port 1(bridge_slave_0) entered blocking state
[ 113.176171][ T5766] bridge0: port 1(bridge_slave_0) entered disabled state
[ 113.176320][ T5766] bridge_slave_0: entered allmulticast mode
[ 113.201082][ T5766] bridge_slave_0: entered promiscuous mode
[ 113.205214][ T5766] bridge0: port 2(bridge_slave_1) entered blocking state
[ 113.205343][ T5766] bridge0: port 2(bridge_slave_1) entered disabled state
[ 113.205440][ T5766] bridge_slave_1: entered allmulticast mode
[ 113.207019][ T5766] bridge_slave_1: entered promiscuous mode
[ 113.261096][ T5766] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 113.263811][ T5766] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 113.311810][ T5766] team0: Port device team_slave_0 added
[ 113.314018][ T5766] team0: Port device team_slave_1 added
[ 113.353943][ T5766] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 113.353961][ T5766] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 113.353980][ T5766] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 113.355335][ T5766] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 113.355348][ T5766] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 113.355364][ T5766] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 113.462588][ T5766] hsr_slave_0: entered promiscuous mode
[ 113.463380][ T5766] hsr_slave_1: entered promiscuous mode
[ 113.480039][ T4898] Bluetooth: hci0: command tx timeout
[ 115.558696][ T4898] Bluetooth: hci0: command tx timeout
[ 116.080848][ T5766] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 116.124043][ T5766] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 116.126221][ T5766] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 116.176933][ T5766] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 116.178169][ T5766] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 116.235743][ T5766] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 116.251697][ T5766] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 116.308446][ T5766] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 116.491821][ T5766] 8021q: adding VLAN 0 to HW filter on device bond0
[ 116.533566][ T5766] 8021q: adding VLAN 0 to HW filter on device team0
[ 116.584236][ T1617] bridge0: port 1(bridge_slave_0) entered blocking state
[ 116.592156][ T1617] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 116.649247][ T1617] bridge0: port 2(bridge_slave_1) entered blocking state
[ 116.649402][ T1617] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 117.591934][ T5766] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 117.638700][ T4898] Bluetooth: hci0: command tx timeout
[ 117.711319][ T5766] veth0_vlan: entered promiscuous mode
[ 117.744504][ T5766] veth1_vlan: entered promiscuous mode
[ 117.801078][ T5766] veth0_macvtap: entered promiscuous mode
[ 117.811026][ T5766] veth1_macvtap: entered promiscuous mode
[ 117.841400][ T5766] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 117.865429][ T5766] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 118.224314][ T56] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 118.224806][ T56] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 118.225331][ T56] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 118.263197][ T56] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 118.425575][ T56] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 118.425598][ T56] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 118.567313][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 118.567336][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
2026/08/08 09:29:40 executed programs: 2
[ 119.146074][ T5926] loop0: detected capacity change from 0 to 32768
[ 119.718824][ T4898] Bluetooth: hci0: command tx timeout
[ 119.774262][ T5929] loop0: detected capacity change from 0 to 32768
[ 120.260437][ T5930] loop0: detected capacity change from 0 to 32768
[ 120.680688][ T5931] loop0: detected capacity change from 0 to 32768
[ 121.111240][ T5932] loop0: detected capacity change from 0 to 32768
[ 121.557367][ T5933] loop0: detected capacity change from 0 to 32768
[ 121.990850][ T5934] loop0: detected capacity change from 0 to 32768
[ 122.417372][ T5935] loop0: detected capacity change from 0 to 32768
[ 122.831717][ T5936] loop0: detected capacity change from 0 to 32768
[ 123.236608][ T5938] loop0: detected capacity change from 0 to 32768
2026/08/08 09:29:45 executed programs: 14
[ 124.589384][ T5943] set_capacity_and_notify: 2 callbacks suppressed
[ 124.589413][ T5943] loop0: detected capacity change from 0 to 32768
[ 124.985369][ T5945] loop0: detected capacity change from 0 to 32768
[ 125.390840][ T5946] loop0: detected capacity change from 0 to 32768
[ 125.458124][ T56] =========================================[ 125.458124][ T56] ==================================================================
[ 125.458142][ T56] BUG: KASAN: use-after-free in copy_folio_from_iter_atomic+0xbbf/0x1a30
[ 125.458184][ T56] Read of size 4096 at addr ffff8880421b2000 by task kworker/u8:3/56
[ 125.458202][ T56]
[ 125.458223][ T56] CPU: 0 UID: 0 PID: 56 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 125.458247][ T56] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 125.458261][ T56] Workqueue: loop0 loop_workfn
[ 125.458293][ T56] Call Trace:
[ 125.458301][ T56]
[ 125.458310][ T56] dump_stack_lvl+0xe8/0x150
[ 125.458340][ T56] print_address_description+0x55/0x1e0
[ 125.458369][ T56] ? copy_folio_from_iter_atomic+0xbbf/0x1a30
[ 125.458401][ T56] print_report+0x58/0x70
[ 125.458427][ T56] kasan_report+0x117/0x150
[ 125.458450][ T56] ? copy_folio_from_iter_atomic+0xbbf/0x1a30
[ 125.458490][ T56] kasan_check_range+0x264/0x2c0
[ 125.458511][ T56] ? copy_folio_from_iter_atomic+0xbbf/0x1a30
[ 125.458541][ T56] __asan_memcpy+0x29/0x70
[ 125.458569][ T56] copy_folio_from_iter_atomic+0xbbf/0x1a30
[ 125.458608][ T56] ? __pfx_copy_folio_from_iter_atomic+0x10/0x10
[ 125.458639][ T56] ? ktime_get_coarse_real_ts64_mg+0x59/0x1e0
[ 125.458664][ T56] ? shmem_write_begin+0x1ce/0x320
[ 125.458698][ T56] generic_perform_write+0x5a8/0x8b0
[ 125.458734][ T56] ? __pfx_generic_perform_write+0x10/0x10
[ 125.458765][ T56] ? generic_write_checks_count+0x426/0x530
[ 125.458799][ T56] ? file_update_time_flags+0x3b9/0x4b0
[ 125.458826][ T56] shmem_file_write_iter+0xfb/0x120
[ 125.458851][ T56] lo_rw_aio+0xc78/0xf30
[ 125.458887][ T56] ? __pfx_lo_rw_aio+0x10/0x10
[ 125.458920][ T56] ? kthread_associate_blkcg+0x490/0x600
[ 125.458951][ T56] ? rt_spin_unlock+0x163/0x200
[ 125.458975][ T56] loop_process_work+0x638/0x11d0
[ 125.459013][ T56] ? __pfx_loop_process_work+0x10/0x10
[ 125.459042][ T56] ? look_up_lock_class+0x57/0x110
[ 125.459070][ T56] ? register_lock_class+0x31/0x2e0
[ 125.459101][ T56] ? __lock_acquire+0x683/0x2ce0
[ 125.459120][ T56] ? lapic_next_event+0x11/0x20
[ 125.459139][ T56] ? clockevents_program_event+0x491/0x630
[ 125.459167][ T56] ? do_raw_spin_lock+0x12b/0x2f0
[ 125.459197][ T56] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 125.459235][ T56] ? process_scheduled_works+0xa20/0x14e0
[ 125.459259][ T56] ? process_scheduled_works+0xa20/0x14e0
[ 125.459284][ T56] ? rcu_is_watching+0x15/0xb0
[ 125.459309][ T56] ? process_scheduled_works+0xa20/0x14e0
[ 125.459331][ T56] process_scheduled_works+0xa8e/0x14e0
[ 125.459366][ T56] ? __pfx_process_scheduled_works+0x10/0x10
[ 125.459392][ T56] ? assign_work+0x3cf/0x5d0
[ 125.459415][ T56] worker_thread+0xa47/0xfb0
[ 125.459451][ T56] kthread+0x388/0x470
[ 125.459479][ T56] ? __pfx_worker_thread+0x10/0x10
[ 125.459501][ T56] ? __pfx_kthread+0x10/0x10
[ 125.459530][ T56] ret_from_fork+0x514/0xb70
[ 125.459562][ T56] ? __pfx_ret_from_fork+0x10/0x10
[ 125.459591][ T56] ? __switch_to+0xc89/0x1420
[ 125.459617][ T56] ? __pfx_kthread+0x10/0x10
[ 125.459646][ T56] ret_from_fork_asm+0x1a/0x30
[ 125.459684][ T56]
[ 125.459691][ T56]
[ 125.459696][ T56] The buggy address belongs to the physical page:
[ 125.459705][ T56] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x33 pfn:0x421b2
[ 125.459725][ T56] flags: 0x80000000000000(node=0|zone=1)
[ 125.459750][ T56] raw: 0080000000000000 ffffea0000c5e388 ffffea0000f10b88 0000000000000000
[ 125.459767][ T56] raw: 0000000000000033 0000000000000000 00000000ffffffff 0000000000000000
[ 125.459778][ T56] page dumped because: kasan: bad access detected
[ 125.459787][ T56] page_owner tracks the page as freed
[ 125.459793][ T56] page last allocated via order 0, migratetype Unmovable, gfp_mask 0xdc0(GFP_KERNEL|__GFP_ZERO), pid 5946, tgid 5946 (syz.0.31), ts 125396718731, free_ts 125456631458
[ 125.459825][ T56] post_alloc_hook+0x1f9/0x250
[ 125.459855][ T56] get_page_from_freelist+0x262a/0x26a0
[ 125.459876][ T56] __alloc_frozen_pages_noprof+0x18d/0x380
[ 125.459897][ T56] alloc_pages_mpol+0xce/0x280
[ 125.459927][ T56] alloc_pages_noprof+0xd2/0x2f0
[ 125.459947][ T56] lmLogInit+0x357/0x1a20
[ 125.459968][ T56] lmLogOpen+0x4e3/0xf90
[ 125.459989][ T56] jfs_mount_rw+0xf3/0x670
[ 125.460008][ T56] jfs_fill_super+0x769/0xda0
[ 125.460038][ T56] get_tree_bdev_flags+0x430/0x4f0
[ 125.460058][ T56] vfs_get_tree+0x92/0x2a0
[ 125.460078][ T56] do_new_mount+0x319/0xdc0
[ 125.460104][ T56] __se_sys_mount+0x31d/0x420
[ 125.460120][ T56] do_syscall_64+0x174/0x580
[ 125.460145][ T56] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 125.460164][ T56] page last free pid 5766 tgid 5766 stack trace:
[ 125.460175][ T56] __free_frozen_pages+0x10e7/0x11c0
[ 125.460204][ T56] lmLogShutdown+0x44e/0x850
[ 125.460236][ T56] lmLogClose+0x28c/0x530
[ 125.460258][ T56] jfs_umount+0x2da/0x3b0
[ 125.460278][ T56] jfs_put_super+0x8c/0x190
[ 125.460305][ T56] generic_shutdown_super+0x13d/0x2d0
[ 125.460324][ T56] kill_block_super+0x44/0x90
[ 125.460345][ T56] deactivate_locked_super+0xbc/0x130
[ 125.460362][ T56] cleanup_mnt+0x3d3/0x460
[ 125.460382][ T56] task_work_run+0x1d9/0x270
[ 125.460409][ T56] exit_to_user_mode_loop+0x1fa/0x730
[ 125.460438][ T56] do_syscall_64+0x353/0x580
[ 125.460460][ T56] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 125.460477][ T56]
[ 125.460482][ T56] Memory state around the buggy address:
[ 125.460493][ T56] ffff8880421b1f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 125.460507][ T56] ffff8880421b1f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 125.460520][ T56] >ffff8880421b2000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 125.460529][ T56] ^
[ 125.460540][ T56] ffff8880421b2080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 125.460555][ T56] ffff8880421b2100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 125.460564][ T56] ==================================================================
[ 125.465047][ T56] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 125.465066][ T56] CPU: 0 UID: 0 PID: 56 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 125.465088][ T56] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 125.465100][ T56] Workqueue: loop0 loop_workfn
[ 125.465130][ T56] Call Trace:
[ 125.465137][ T56]
[ 125.465144][ T56] vpanic+0x56c/0xa60
[ 125.465173][ T56] ? __pfx_vpanic+0x10/0x10
[ 125.465211][ T56] panic+0xc5/0xd0
[ 125.465236][ T56] ? __pfx_panic+0x10/0x10
[ 125.465263][ T56] ? preempt_schedule_thunk+0x16/0x40
[ 125.465285][ T56] ? copy_folio_from_iter_atomic+0xbbf/0x1a30
[ 125.465313][ T56] ? preempt_schedule_thunk+0x16/0x40
[ 125.465333][ T56] ? copy_folio_from_iter_atomic+0xbbf/0x1a30
[ 125.465360][ T56] check_panic_on_warn+0x89/0xb0
[ 125.465387][ T56] ? copy_folio_from_iter_atomic+0xbbf/0x1a30
[ 125.465415][ T56] end_report+0x73/0x170
[ 125.465434][ T56] ? copy_folio_from_iter_atomic+0xbbf/0x1a30
[ 125.465461][ T56] kasan_report+0x128/0x150
[ 125.465481][ T56] ? copy_folio_from_iter_atomic+0xbbf/0x1a30
[ 125.465512][ T56] kasan_check_range+0x264/0x2c0
[ 125.465532][ T56] ? copy_folio_from_iter_atomic+0xbbf/0x1a30
[ 125.465560][ T56] __asan_memcpy+0x29/0x70
[ 125.465585][ T56] copy_folio_from_iter_atomic+0xbbf/0x1a30
[ 125.465630][ T56] ? __pfx_copy_folio_from_iter_atomic+0x10/0x10
[ 125.465659][ T56] ? ktime_get_coarse_real_ts64_mg+0x59/0x1e0
[ 125.465682][ T56] ? shmem_write_begin+0x1ce/0x320
[ 125.465711][ T56] generic_perform_write+0x5a8/0x8b0
[ 125.465743][ T56] ? __pfx_generic_perform_write+0x10/0x10
[ 125.465769][ T56] ? generic_write_checks_count+0x426/0x530
[ 125.465797][ T56] ? file_update_time_flags+0x3b9/0x4b0
[ 125.465820][ T56] shmem_file_write_iter+0xfb/0x120
[ 125.465843][ T56] lo_rw_aio+0xc78/0xf30
[ 125.465874][ T56] ? __pfx_lo_rw_aio+0x10/0x10
[ 125.465901][ T56] ? kthread_associate_blkcg+0x490/0x600
[ 125.465927][ T56] ? rt_spin_unlock+0x163/0x200
[ 125.465948][ T56] loop_process_work+0x638/0x11d0
[ 125.465980][ T56] ? __pfx_loop_process_work+0x10/0x10
[ 125.466005][ T56] ? look_up_lock_class+0x57/0x110
[ 125.466030][ T56] ? register_lock_class+0x31/0x2e0
[ 125.466058][ T56] ? __lock_acquire+0x683/0x2ce0
[ 125.466076][ T56] ? lapic_next_event+0x11/0x20
[ 125.466093][ T56] ? clockevents_program_event+0x491/0x630
[ 125.466117][ T56] ? do_raw_spin_lock+0x12b/0x2f0
[ 125.466142][ T56] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 125.466167][ T56] ? process_scheduled_works+0xa20/0x14e0
[ 125.466193][ T56] ? process_scheduled_works+0xa20/0x14e0
[ 125.466222][ T56] ? rcu_is_watching+0x15/0xb0
[ 125.466243][ T56] ? process_scheduled_works+0xa20/0x14e0
[ 125.466262][ T56] process_scheduled_works+0xa8e/0x14e0
[ 125.466293][ T56] ? __pfx_process_scheduled_works+0x10/0x10
[ 125.466315][ T56] ? assign_work+0x3cf/0x5d0
[ 125.466335][ T56] worker_thread+0xa47/0xfb0
[ 125.466366][ T56] kthread+0x388/0x470
[ 125.466389][ T56] ? __pfx_worker_thread+0x10/0x10
[ 125.466409][ T56] ? __pfx_kthread+0x10/0x10
[ 125.466433][ T56] ret_from_fork+0x514/0xb70
[ 125.466460][ T56] ? __pfx_ret_from_fork+0x10/0x10
[ 125.466485][ T56] ? __switch_to+0xc89/0x1420
[ 125.466508][ T56] ? __pfx_kthread+0x10/0x10
[ 125.466532][ T56] ret_from_fork_asm+0x1a/0x30
[ 125.466565][ T56]
[ 125.466715][ T56] Kernel Offset: disabled