Warning: Permanently added '10.128.1.8' (ED25519) to the list of known hosts. 2026/05/17 14:03:18 parsed 1 programs [ 86.308232][ T5615] cgroup: Unknown subsys name 'net' [ 86.549838][ T5615] cgroup: Unknown subsys name 'cpuset' [ 86.617489][ T5615] cgroup: Unknown subsys name 'rlimit' [ 86.780134][ T10] cfg80211: failed to load regulatory.db Setting up swapspace version 1, size = 127995904 bytes [ 88.277702][ T5615] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 91.829107][ T5640] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 91.862660][ T5640] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 91.872089][ T5640] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 91.873403][ T5640] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 91.876633][ T5640] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 92.606471][ T207] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 92.606492][ T207] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 92.680910][ T3536] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 92.680930][ T3536] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 93.515808][ T5652] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.516825][ T5652] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.517700][ T5652] bridge_slave_0: entered allmulticast mode [ 93.519557][ T5652] bridge_slave_0: entered promiscuous mode [ 93.531778][ T5652] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.531892][ T5652] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.532049][ T5652] bridge_slave_1: entered allmulticast mode [ 93.534749][ T5652] bridge_slave_1: entered promiscuous mode [ 93.586784][ T5652] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 93.590603][ T5652] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 93.709383][ T5652] team0: Port device team_slave_0 added [ 93.711380][ T5652] team0: Port device team_slave_1 added [ 93.993380][ T5652] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 93.993391][ T5652] 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. [ 93.993405][ T5652] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 94.002231][ T5652] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 94.002245][ T5652] 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. [ 94.002268][ T5652] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 94.071065][ T5652] hsr_slave_0: entered promiscuous mode [ 94.072492][ T5652] hsr_slave_1: entered promiscuous mode [ 94.847493][ T5652] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 94.880033][ T5652] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 94.888678][ T5652] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 94.927406][ T5652] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 94.930172][ T5652] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 94.957273][ T5652] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 94.961209][ T5652] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 94.999794][ T5652] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 95.119427][ T5652] 8021q: adding VLAN 0 to HW filter on device bond0 [ 95.165235][ T5652] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.183387][ T3536] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.183559][ T3536] bridge0: port 1(bridge_slave_0) entered forwarding state [ 95.218660][ T3536] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.218784][ T3536] bridge0: port 2(bridge_slave_1) entered forwarding state [ 95.651410][ T5652] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 95.728132][ T5652] veth0_vlan: entered promiscuous mode [ 95.751647][ T5652] veth1_vlan: entered promiscuous mode [ 95.801921][ T5652] veth0_macvtap: entered promiscuous mode [ 95.812531][ T5652] veth1_macvtap: entered promiscuous mode [ 95.837474][ T5652] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 95.859248][ T5652] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 95.875937][ T56] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.881780][ T56] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.897803][ T56] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.909994][ T3536] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.511658][ T56] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 96.869841][ T56] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.859453][ T56] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.089334][ T56] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.914139][ T56] bridge_slave_1: left allmulticast mode [ 99.914346][ T56] bridge_slave_1: left promiscuous mode [ 99.920142][ T56] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.037386][ T56] bridge_slave_0: left allmulticast mode [ 100.037420][ T56] bridge_slave_0: left promiscuous mode [ 100.037652][ T56] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.704718][ T56] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 100.784545][ T56] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 100.829275][ T56] bond0 (unregistering): Released all slaves [ 100.854149][ T5263] 8021q: adding VLAN 0 to HW filter on device eth1 [ 101.244339][ T56] hsr_slave_0: left promiscuous mode [ 101.275343][ T56] hsr_slave_1: left promiscuous mode [ 101.298412][ T56] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 101.298524][ T56] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 101.341896][ T56] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 101.341923][ T56] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 101.516053][ T56] veth1_macvtap: left promiscuous mode [ 101.516280][ T56] veth0_macvtap: left promiscuous mode [ 101.516552][ T56] veth1_vlan: left promiscuous mode [ 101.529005][ T56] veth0_vlan: left promiscuous mode [ 102.244408][ T56] team0 (unregistering): Port device team_slave_1 removed [ 102.284330][ T56] team0 (unregistering): Port device team_slave_0 removed [ 102.457242][ T5263] 8021q: adding VLAN 0 to HW filter on device eth2 [ 103.172340][ T5263] 8021q: adding VLAN 0 to HW filter on device eth3 [ 103.886405][ T5263] 8021q: adding VLAN 0 to HW filter on device eth4 2026/05/17 14:03:39 executed programs: 0 [ 104.382687][ T5640] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 104.401417][ T5640] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 104.402329][ T5640] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 104.403367][ T5640] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 104.404772][ T5640] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 105.438907][ T5797] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.439032][ T5797] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.439120][ T5797] bridge_slave_0: entered allmulticast mode [ 105.440687][ T5797] bridge_slave_0: entered promiscuous mode [ 105.443197][ T5797] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.443322][ T5797] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.443409][ T5797] bridge_slave_1: entered allmulticast mode [ 105.450479][ T5797] bridge_slave_1: entered promiscuous mode [ 105.532898][ T5797] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 105.538724][ T5797] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 105.580999][ T5797] team0: Port device team_slave_0 added [ 105.583056][ T5797] team0: Port device team_slave_1 added [ 105.626294][ T5797] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 105.626310][ T5797] 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. [ 105.626327][ T5797] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 105.629061][ T5797] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 105.629074][ T5797] 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. [ 105.629095][ T5797] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 105.714421][ T5797] hsr_slave_0: entered promiscuous mode [ 105.715638][ T5797] hsr_slave_1: entered promiscuous mode [ 106.457032][ T59] Bluetooth: hci0: command tx timeout [ 107.892408][ T5797] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 107.939886][ T5797] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 107.941794][ T5797] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 107.991652][ T5797] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 108.000876][ T5797] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 108.031547][ T5797] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 108.033305][ T5797] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 108.102121][ T5797] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 108.533799][ T59] Bluetooth: hci0: command tx timeout [ 108.641551][ T5797] 8021q: adding VLAN 0 to HW filter on device bond0 [ 108.679025][ T5797] 8021q: adding VLAN 0 to HW filter on device team0 [ 108.695776][ T1186] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.695973][ T1186] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.712163][ T40] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.712379][ T40] bridge0: port 2(bridge_slave_1) entered forwarding state [ 109.441445][ T5797] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 109.531958][ T5797] veth0_vlan: entered promiscuous mode [ 109.551549][ T5797] veth1_vlan: entered promiscuous mode [ 109.609373][ T5797] veth0_macvtap: entered promiscuous mode [ 109.626566][ T5797] veth1_macvtap: entered promiscuous mode [ 109.686557][ T5797] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 109.698091][ T5797] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 109.716661][ T56] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.717876][ T56] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.718751][ T56] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.718791][ T56] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.204174][ T40] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 110.204195][ T40] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 110.305742][ T1186] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 110.305763][ T1186] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/05/17 14:03:45 executed programs: 2 [ 110.615813][ T59] Bluetooth: hci0: command tx timeout [ 110.671528][ T5941] loop0: detected capacity change from 0 to 32768 [ 111.262215][ T5942] loop0: detected capacity change from 0 to 32768 [ 111.660416][ T5943] loop0: detected capacity change from 0 to 32768 [ 112.088818][ T5944] loop0: detected capacity change from 0 to 32768 [ 112.468612][ T5945] loop0: detected capacity change from 0 to 32768 [ 112.694273][ T59] Bluetooth: hci0: command tx timeout [ 112.851505][ T5946] loop0: detected capacity change from 0 to 32768 [ 113.274474][ T5947] loop0: detected capacity change from 0 to 32768 [ 113.669252][ T5948] loop0: detected capacity change from 0 to 32768 [ 114.045862][ T5949] loop0: detected capacity change from 0 to 32768 [ 114.402246][ T5950] loop0: detected capacity change from 0 to 32768 2026/05/17 14:03:50 executed programs: 15 [ 115.859524][ T5955] set_capacity_and_notify: 3 callbacks suppressed [ 115.859537][ T5955] loop0: detected capacity change from 0 to 32768 [ 116.243853][ T5956] loop0: detected capacity change from 0 to 32768 [ 116.612368][ T5957] loop0: detected capacity change from 0 to 32768 [ 116.973348][ T5960] loop0: detected capacity change from 0 to 32768 [ 117.358182][ T5962] loop0: detected capacity change from 0 to 32768 [ 117.739764][ T5964] loop0: detected capacity change from 0 to 32768 [ 118.076157][ T5966] loop0: detected capacity change from 0 to 32768 [ 118.440167][ T5967] loop0: detected capacity change from 0 to 32768 [ 118.794762][ T5968] loop0: detected capacity change from 0 to 32768 [ 119.131218][ T5969] loop0: detected capacity change from 0 to 32768 2026/05/17 14:03:55 executed programs: 29 [ 120.892437][ T5974] set_capacity_and_notify: 4 callbacks suppressed [ 120.892449][ T5974] loop0: detected capacity change from 0 to 32768 [ 121.248045][ T5975] loop0: detected capacity change from 0 to 32768 [ 121.627476][ T5976] loop0: detected capacity change from 0 to 32768 [ 121.962626][ T5977] loop0: detected capacity change from 0 to 32768 [ 122.309059][ T5978] loop0: detected capacity change from 0 to 32768 [ 122.658875][ T5979] loop0: detected capacity change from 0 to 32768 [ 122.991294][ T5980] loop0: detected capacity change from 0 to 32768 [ 123.355554][ T5981] loop0: detected capacity change from 0 to 32768 [ 123.707065][ T5982] loop0: detected capacity change from 0 to 32768 [ 124.065754][ T5983] loop0: detected capacity change from 0 to 32768 2026/05/17 14:04:00 executed programs: 44 [ 126.196193][ T5989] set_capacity_and_notify: 5 callbacks suppressed [ 126.196206][ T5989] loop0: detected capacity change from 0 to 32768 [ 126.568220][ T5990] loop0: detected capacity change from 0 to 32768 [ 126.946938][ T5991] loop0: detected capacity change from 0 to 32768 [ 127.289343][ T5992] loop0: detected capacity change from 0 to 32768 [ 127.656024][ T5993] loop0: detected capacity change from 0 to 32768 [ 128.051012][ T5994] loop0: detected capacity change from 0 to 32768 [ 128.414423][ T5995] loop0: detected capacity change from 0 to 32768 [ 128.770576][ T5996] loop0: detected capacity change from 0 to 32768 [ 129.162625][ T5997] loop0: detected capacity change from 0 to 32768 [ 129.507453][ T5998] loop0: detected capacity change from 0 to 32768 2026/05/17 14:04:06 executed programs: 58 [ 131.305637][ T6003] set_capacity_and_notify: 4 callbacks suppressed [ 131.305648][ T6003] loop0: detected capacity change from 0 to 32768 [ 131.667267][ T6004] loop0: detected capacity change from 0 to 32768 [ 132.015012][ T6005] loop0: detected capacity change from 0 to 32768 [ 132.367368][ T6006] loop0: detected capacity change from 0 to 32768 [ 132.727235][ T6007] loop0: detected capacity change from 0 to 32768 [ 132.856001][ T1339] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.856090][ T1339] ieee802154 phy1 wpan1: encryption failed: -22 [ 133.077161][ T6008] loop0: detected capacity change from 0 to 32768 [ 133.448073][ T6009] loop0: detected capacity change from 0 to 32768 [ 133.805606][ T6010] loop0: detected capacity change from 0 to 32768 [ 134.179822][ T6011] loop0: detected capacity change from 0 to 32768 [ 134.566359][ T6012] loop0: detected capacity change from 0 to 32768 2026/05/17 14:04:11 executed programs: 72 [ 136.648270][ T6018] set_capacity_and_notify: 5 callbacks suppressed [ 136.648281][ T6018] loop0: detected capacity change from 0 to 32768 [ 136.999745][ T6019] loop0: detected capacity change from 0 to 32768 [ 137.377083][ T6020] loop0: detected capacity change from 0 to 32768 [ 137.746289][ T6021] loop0: detected capacity change from 0 to 32768 [ 138.079239][ T6022] loop0: detected capacity change from 0 to 32768 [ 138.409944][ T6023] loop0: detected capacity change from 0 to 32768 [ 138.797813][ T6024] loop0: detected capacity change from 0 to 32768 [ 139.148010][ T6025] loop0: detected capacity change from 0 to 32768 [ 139.208754][ T56] ================================================================== [ 139.208770][ T56] BUG: KASAN: use-after-free in copy_folio_from_iter_atomic+0xbb5/0x1ad0 [ 139.208807][ T56] Read of size 4096 at addr ffff88803f1d6000 by task kworker/u8:3/56 [ 139.208823][ T56] [ 139.208849][ T56] CPU: 0 UID: 0 PID: 56 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 139.208869][ T56] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 139.208880][ T56] Workqueue: loop0 loop_workfn [ 139.208918][ T56] Call Trace: [ 139.208926][ T56] [ 139.208934][ T56] dump_stack_lvl+0xe8/0x150 [ 139.208955][ T56] print_address_description+0x55/0x1e0 [ 139.208976][ T56] ? copy_folio_from_iter_atomic+0xbb5/0x1ad0 [ 139.208994][ T56] print_report+0x58/0x70 [ 139.209012][ T56] kasan_report+0x117/0x150 [ 139.209033][ T56] ? copy_folio_from_iter_atomic+0xbb5/0x1ad0 [ 139.209055][ T56] kasan_check_range+0x264/0x2c0 [ 139.209074][ T56] ? copy_folio_from_iter_atomic+0xbb5/0x1ad0 [ 139.209092][ T56] __asan_memcpy+0x29/0x70 [ 139.209116][ T56] copy_folio_from_iter_atomic+0xbb5/0x1ad0 [ 139.209144][ T56] ? __pfx_copy_folio_from_iter_atomic+0x10/0x10 [ 139.209163][ T56] ? ktime_get_coarse_real_ts64_mg+0x59/0x1e0 [ 139.209188][ T56] ? shmem_write_begin+0x1ce/0x320 [ 139.209210][ T56] generic_perform_write+0x5b1/0x8b0 [ 139.209235][ T56] ? __pfx_generic_perform_write+0x10/0x10 [ 139.209260][ T56] ? file_update_time_flags+0x3b9/0x4b0 [ 139.209281][ T56] shmem_file_write_iter+0xfb/0x120 [ 139.209305][ T56] lo_rw_aio+0xc80/0xf00 [ 139.209335][ T56] ? __pfx_lo_rw_aio+0x10/0x10 [ 139.209360][ T56] ? kthread_associate_blkcg+0x490/0x600 [ 139.209394][ T56] ? rt_spin_unlock+0x160/0x200 [ 139.209414][ T56] loop_process_work+0x637/0x11b0 [ 139.209446][ T56] ? __pfx_loop_process_work+0x10/0x10 [ 139.209468][ T56] ? __lock_acquire+0x6b5/0x2cf0 [ 139.209490][ T56] ? look_up_lock_class+0x57/0x110 [ 139.209513][ T56] ? register_lock_class+0x31/0x2e0 [ 139.209535][ T56] ? __lock_acquire+0x6b5/0x2cf0 [ 139.209562][ T56] ? trace_hrtimer_start+0x82/0x200 [ 139.209582][ T56] ? do_raw_spin_lock+0x12b/0x2f0 [ 139.209601][ T56] ? lock_acquire+0x106/0x350 [ 139.209623][ T56] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 139.209644][ T56] ? process_scheduled_works+0xa70/0x1860 [ 139.209664][ T56] ? process_scheduled_works+0xa70/0x1860 [ 139.209684][ T56] ? process_scheduled_works+0xa70/0x1860 [ 139.209702][ T56] ? process_scheduled_works+0xa70/0x1860 [ 139.209721][ T56] process_scheduled_works+0xb5d/0x1860 [ 139.209753][ T56] ? __pfx_process_scheduled_works+0x10/0x10 [ 139.209773][ T56] ? assign_work+0x3d5/0x5e0 [ 139.209790][ T56] worker_thread+0xa53/0xfc0 [ 139.209817][ T56] kthread+0x388/0x470 [ 139.209839][ T56] ? __pfx_worker_thread+0x10/0x10 [ 139.209856][ T56] ? __pfx_kthread+0x10/0x10 [ 139.209879][ T56] ret_from_fork+0x514/0xb70 [ 139.209900][ T56] ? __pfx_ret_from_fork+0x10/0x10 [ 139.209918][ T56] ? __switch_to+0xc79/0x1410 [ 139.209944][ T56] ? __pfx_kthread+0x10/0x10 [ 139.209966][ T56] ret_from_fork_asm+0x1a/0x30 [ 139.209995][ T56] [ 139.210002][ T56] [ 139.210006][ T56] The buggy address belongs to the physical page: [ 139.210027][ T56] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x3c pfn:0x3f1d6 [ 139.210044][ T56] flags: 0x80000000000000(node=0|zone=1) [ 139.210069][ T56] raw: 0080000000000000 ffffea0000dac8c8 ffffea0000e14548 0000000000000000 [ 139.210083][ T56] raw: 000000000000003c 0000000000000000 00000000ffffffff 0000000000000000 [ 139.210091][ T56] page dumped because: kasan: bad access detected [ 139.210103][ T56] page_owner tracks the page as freed [ 139.210110][ T56] page last allocated via order 0, migratetype Unmovable, gfp_mask 0xdc0(GFP_KERNEL|__GFP_ZERO), pid 6025, tgid 6025 (syz.0.95), ts 139164051352, free_ts 139208266879 [ 139.210138][ T56] post_alloc_hook+0x231/0x280 [ 139.210156][ T56] get_page_from_freelist+0x27c8/0x2840 [ 139.210177][ T56] __alloc_frozen_pages_noprof+0x18d/0x380 [ 139.210194][ T56] alloc_pages_mpol+0xd1/0x380 [ 139.210211][ T56] alloc_pages_noprof+0xd2/0x2f0 [ 139.210227][ T56] lmLogInit+0x357/0x1a00 [ 139.210246][ T56] lmLogOpen+0x4e1/0xfa0 [ 139.210264][ T56] jfs_mount_rw+0xee/0x670 [ 139.210282][ T56] jfs_fill_super+0x754/0xd80 [ 139.210296][ T56] get_tree_bdev_flags+0x431/0x4f0 [ 139.210314][ T56] vfs_get_tree+0x92/0x2a0 [ 139.210332][ T56] do_new_mount+0x341/0xd30 [ 139.210352][ T56] __se_sys_mount+0x31d/0x420 [ 139.210381][ T56] do_syscall_64+0x15f/0xf80 [ 139.210402][ T56] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 139.210420][ T56] page last free pid 5797 tgid 5797 stack trace: [ 139.210430][ T56] __free_frozen_pages+0xfa6/0x10f0 [ 139.210448][ T56] lmLogShutdown+0x44e/0x850 [ 139.210468][ T56] lmLogClose+0x28a/0x520 [ 139.210487][ T56] jfs_umount+0x2fb/0x3d0 [ 139.210505][ T56] jfs_put_super+0x8c/0x190 [ 139.210520][ T56] generic_shutdown_super+0x13d/0x2d0 [ 139.210534][ T56] kill_block_super+0x44/0x90 [ 139.210550][ T56] deactivate_locked_super+0xbc/0x130 [ 139.210564][ T56] cleanup_mnt+0x437/0x4d0 [ 139.210580][ T56] task_work_run+0x1d9/0x270 [ 139.210601][ T56] exit_to_user_mode_loop+0xf3/0x4d0 [ 139.210620][ T56] do_syscall_64+0x33e/0xf80 [ 139.210639][ T56] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 139.210655][ T56] [ 139.210660][ T56] Memory state around the buggy address: [ 139.210668][ T56] ffff88803f1d5f00: fb fb fb fb fb fb fc fc fc fc fa fb fb fb fb fb [ 139.210678][ T56] ffff88803f1d5f80: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc [ 139.210688][ T56] >ffff88803f1d6000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 139.210696][ T56] ^ [ 139.210704][ T56] ffff88803f1d6080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 139.210715][ T56] ffff88803f1d6100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 139.210724][ T56] ================================================================== [ 139.213158][ T56] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 139.213178][ T56] CPU: 0 UID: 0 PID: 56 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 139.213199][ T56] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 139.213209][ T56] Workqueue: loop0 loop_workfn [ 139.213237][ T56] Call Trace: [ 139.213243][ T56] [ 139.213250][ T56] vpanic+0x56c/0xa60 [ 139.213273][ T56] ? __pfx_vpanic+0x10/0x10 [ 139.213297][ T56] panic+0xc5/0xd0 [ 139.213317][ T56] ? __pfx_panic+0x10/0x10 [ 139.213338][ T56] ? preempt_schedule_thunk+0x16/0x30 [ 139.213365][ T56] ? copy_folio_from_iter_atomic+0xbb5/0x1ad0 [ 139.213392][ T56] ? preempt_schedule_thunk+0x16/0x30 [ 139.213417][ T56] ? copy_folio_from_iter_atomic+0xbb5/0x1ad0 [ 139.213434][ T56] check_panic_on_warn+0x89/0xb0 [ 139.213459][ T56] ? copy_folio_from_iter_atomic+0xbb5/0x1ad0 [ 139.213477][ T56] end_report+0x73/0x170 [ 139.213497][ T56] ? copy_folio_from_iter_atomic+0xbb5/0x1ad0 [ 139.213515][ T56] kasan_report+0x128/0x150 [ 139.213536][ T56] ? copy_folio_from_iter_atomic+0xbb5/0x1ad0 [ 139.213558][ T56] kasan_check_range+0x264/0x2c0 [ 139.213578][ T56] ? copy_folio_from_iter_atomic+0xbb5/0x1ad0 [ 139.213595][ T56] __asan_memcpy+0x29/0x70 [ 139.213620][ T56] copy_folio_from_iter_atomic+0xbb5/0x1ad0 [ 139.213649][ T56] ? __pfx_copy_folio_from_iter_atomic+0x10/0x10 [ 139.213667][ T56] ? ktime_get_coarse_real_ts64_mg+0x59/0x1e0 [ 139.213692][ T56] ? shmem_write_begin+0x1ce/0x320 [ 139.213711][ T56] generic_perform_write+0x5b1/0x8b0 [ 139.213734][ T56] ? __pfx_generic_perform_write+0x10/0x10 [ 139.213755][ T56] ? file_update_time_flags+0x3b9/0x4b0 [ 139.213771][ T56] shmem_file_write_iter+0xfb/0x120 [ 139.213791][ T56] lo_rw_aio+0xc80/0xf00 [ 139.213815][ T56] ? __pfx_lo_rw_aio+0x10/0x10 [ 139.213834][ T56] ? kthread_associate_blkcg+0x490/0x600 [ 139.213853][ T56] ? rt_spin_unlock+0x160/0x200 [ 139.213869][ T56] loop_process_work+0x637/0x11b0 [ 139.213894][ T56] ? __pfx_loop_process_work+0x10/0x10 [ 139.213912][ T56] ? __lock_acquire+0x6b5/0x2cf0 [ 139.213930][ T56] ? look_up_lock_class+0x57/0x110 [ 139.213950][ T56] ? register_lock_class+0x31/0x2e0 [ 139.213969][ T56] ? __lock_acquire+0x6b5/0x2cf0 [ 139.213990][ T56] ? trace_hrtimer_start+0x82/0x200 [ 139.214010][ T56] ? do_raw_spin_lock+0x12b/0x2f0 [ 139.214027][ T56] ? lock_acquire+0x106/0x350 [ 139.214048][ T56] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 139.214065][ T56] ? process_scheduled_works+0xa70/0x1860 [ 139.214081][ T56] ? process_scheduled_works+0xa70/0x1860 [ 139.214098][ T56] ? process_scheduled_works+0xa70/0x1860 [ 139.214113][ T56] ? process_scheduled_works+0xa70/0x1860 [ 139.214130][ T56] process_scheduled_works+0xb5d/0x1860 [ 139.214156][ T56] ? __pfx_process_scheduled_works+0x10/0x10 [ 139.214175][ T56] ? assign_work+0x3d5/0x5e0 [ 139.214194][ T56] worker_thread+0xa53/0xfc0 [ 139.214221][ T56] kthread+0x388/0x470 [ 139.214242][ T56] ? __pfx_worker_thread+0x10/0x10 [ 139.214259][ T56] ? __pfx_kthread+0x10/0x10 [ 139.214279][ T56] ret_from_fork+0x514/0xb70 [ 139.214299][ T56] ? __pfx_ret_from_fork+0x10/0x10 [ 139.214317][ T56] ? __switch_to+0xc79/0x1410 [ 139.214343][ T56] ? __pfx_kthread+0x10/0x10 [ 139.214364][ T56] ret_from_fork_asm+0x1a/0x30 [ 139.214402][ T56] [ 139.214710][ T56] Kernel Offset: disabled