Warning: Permanently added '10.128.1.5' (ED25519) to the list of known hosts. 2026/03/04 05:37:37 parsed 1 programs [ 102.844082][ T5786] cgroup: Unknown subsys name 'net' [ 103.024102][ T5786] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 104.745024][ T5786] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 107.664715][ T5814] chnl_net:caif_netlink_parms(): no params data found [ 107.745751][ T5814] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.753765][ T5814] bridge0: port 1(bridge_slave_0) entered disabled state [ 107.761084][ T5814] bridge_slave_0: entered allmulticast mode [ 107.770076][ T5814] bridge_slave_0: entered promiscuous mode [ 107.780248][ T5814] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.787797][ T5814] bridge0: port 2(bridge_slave_1) entered disabled state [ 107.794961][ T5814] bridge_slave_1: entered allmulticast mode [ 107.802286][ T5814] bridge_slave_1: entered promiscuous mode [ 107.839807][ T5814] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 107.853620][ T5814] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 107.886742][ T5814] team0: Port device team_slave_0 added [ 107.895487][ T5814] team0: Port device team_slave_1 added [ 107.923889][ T5814] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 107.930958][ T5814] 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 1560 would solve the problem. [ 107.957703][ T5814] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 107.971486][ T5814] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 107.978759][ T5814] 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 1560 would solve the problem. [ 108.005071][ T5814] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 108.063496][ T5814] hsr_slave_0: entered promiscuous mode [ 108.071428][ T5814] hsr_slave_1: entered promiscuous mode [ 108.248919][ T5814] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 108.263134][ T5814] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 108.274084][ T5814] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 108.293516][ T5814] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 108.325127][ T5814] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.332423][ T5814] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.340510][ T5814] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.347766][ T5814] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.430204][ T5814] 8021q: adding VLAN 0 to HW filter on device bond0 [ 108.450486][ T35] bridge0: port 1(bridge_slave_0) entered disabled state [ 108.459645][ T35] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.483095][ T5814] 8021q: adding VLAN 0 to HW filter on device team0 [ 108.495942][ T49] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.503302][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.532403][ T35] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.539644][ T35] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.581899][ T5814] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 108.760551][ T5814] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 108.813958][ T5814] veth0_vlan: entered promiscuous mode [ 108.829424][ T5814] veth1_vlan: entered promiscuous mode [ 108.864334][ T5814] veth0_macvtap: entered promiscuous mode [ 108.875525][ T5814] veth1_macvtap: entered promiscuous mode [ 108.909583][ T5814] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 108.925405][ T5814] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 108.948324][ T5814] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.958682][ T5814] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.968564][ T5814] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 108.977389][ T5814] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 109.121549][ T2957] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 109.539395][ T5844] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 109.549313][ T5844] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 109.559346][ T5844] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 109.568823][ T5844] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 109.577807][ T5844] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 109.585161][ T5844] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 109.859986][ T1125] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 109.868916][ T1125] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 109.907951][ T1125] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 109.916337][ T1125] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 111.639093][ T2957] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/03/04 05:37:49 executed programs: 0 [ 112.250288][ T5844] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 112.260445][ T5844] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 112.269863][ T5844] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 112.279511][ T5844] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 112.287811][ T5844] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 112.295230][ T5844] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 112.440554][ T5883] chnl_net:caif_netlink_parms(): no params data found [ 112.508679][ T5883] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.516024][ T5883] bridge0: port 1(bridge_slave_0) entered disabled state [ 112.523288][ T5883] bridge_slave_0: entered allmulticast mode [ 112.530626][ T5883] bridge_slave_0: entered promiscuous mode [ 112.539152][ T5883] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.546525][ T5883] bridge0: port 2(bridge_slave_1) entered disabled state [ 112.553922][ T5883] bridge_slave_1: entered allmulticast mode [ 112.561339][ T5883] bridge_slave_1: entered promiscuous mode [ 112.593295][ T5883] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 112.605005][ T5883] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 112.637824][ T5883] team0: Port device team_slave_0 added [ 112.648038][ T5883] team0: Port device team_slave_1 added [ 112.673415][ T5883] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 112.681810][ T5883] 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 1560 would solve the problem. [ 112.708329][ T5883] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 112.721255][ T5883] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 112.728323][ T5883] 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 1560 would solve the problem. [ 112.755180][ T5883] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 112.800062][ T5883] hsr_slave_0: entered promiscuous mode [ 112.808265][ T5883] hsr_slave_1: entered promiscuous mode [ 112.814504][ T5883] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 112.822531][ T5883] Cannot create hsr debugfs directory [ 113.807352][ T2957] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 113.886204][ T2957] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.350059][ T5844] Bluetooth: hci0: command tx timeout [ 114.774458][ T2957] hsr_slave_0: left promiscuous mode [ 114.781304][ T2957] hsr_slave_1: left promiscuous mode [ 114.788722][ T2957] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 114.797123][ T2957] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 114.805653][ T2957] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 114.814211][ T2957] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 114.822705][ T2957] bridge_slave_1: left allmulticast mode [ 114.828958][ T2957] bridge_slave_1: left promiscuous mode [ 114.835592][ T2957] bridge0: port 2(bridge_slave_1) entered disabled state [ 114.850826][ T2957] bridge_slave_0: left allmulticast mode [ 114.859449][ T2957] bridge_slave_0: left promiscuous mode [ 114.865265][ T2957] bridge0: port 1(bridge_slave_0) entered disabled state [ 114.899905][ T2957] veth1_macvtap: left promiscuous mode [ 114.906956][ T2957] veth0_macvtap: left promiscuous mode [ 114.912677][ T2957] veth1_vlan: left promiscuous mode [ 114.921150][ T2957] veth0_vlan: left promiscuous mode [ 115.439218][ T2957] team0 (unregistering): Port device team_slave_1 removed [ 115.472312][ T2957] team0 (unregistering): Port device team_slave_0 removed [ 115.511181][ T2957] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 115.543877][ T2957] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 115.768042][ T2957] bond0 (unregistering): Released all slaves [ 115.849367][ T5883] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 115.862967][ T5883] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 115.873535][ T5883] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 115.884950][ T5883] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 115.987038][ T5883] 8021q: adding VLAN 0 to HW filter on device bond0 [ 116.013913][ T5883] 8021q: adding VLAN 0 to HW filter on device team0 [ 116.033447][ T35] bridge0: port 1(bridge_slave_0) entered blocking state [ 116.040669][ T35] bridge0: port 1(bridge_slave_0) entered forwarding state [ 116.057418][ T35] bridge0: port 2(bridge_slave_1) entered blocking state [ 116.064684][ T35] bridge0: port 2(bridge_slave_1) entered forwarding state [ 116.285015][ T5883] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 116.334468][ T5883] veth0_vlan: entered promiscuous mode [ 116.353081][ T5883] veth1_vlan: entered promiscuous mode [ 116.414493][ T5883] veth0_macvtap: entered promiscuous mode [ 116.428760][ T5844] Bluetooth: hci0: command tx timeout [ 116.438807][ T5883] veth1_macvtap: entered promiscuous mode [ 116.467368][ T5883] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 116.488760][ T5883] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 116.512343][ T5883] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.521983][ T5883] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.530854][ T5883] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.539721][ T5883] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 116.668775][ T2974] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 116.688199][ T2974] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 116.720343][ T49] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 116.728380][ T49] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 116.796093][ T0] NOHZ tick-stop error: local softirq work is pending, handler #200!!! [ 116.985895][ T0] NOHZ tick-stop error: local softirq work is pending, handler #42!!! [ 117.088099][ T0] NOHZ tick-stop error: local softirq work is pending, handler #140!!! [ 117.096828][ T0] NOHZ tick-stop error: local softirq work is pending, handler #40!!! [ 117.623343][ T5927] i2c i2c-0: dvb_frontend_start: failed to start kthread (-4) [ 117.755846][ C0] sched: RT throttling activated 2026/03/04 05:37:55 executed programs: 3 [ 118.624150][ T0] NOHZ tick-stop error: local softirq work is pending, handler #140!!! [ 118.632892][ T0] NOHZ tick-stop error: local softirq work is pending, handler #40!!! [ 118.726722][ T0] NOHZ tick-stop error: local softirq work is pending, handler #40!!! [ 118.829087][ T0] NOHZ tick-stop error: local softirq work is pending, handler #40!!! [ 119.136091][ T0] NOHZ tick-stop error: local softirq work is pending, handler #142!!! [ 119.144850][ T0] NOHZ tick-stop error: local softirq work is pending, handler #40!!! [ 119.321327][ T5935] i2c i2c-0: dvb_frontend_start: failed to start kthread (-4) [ 119.756505][ T5844] Bluetooth: hci0: command tx timeout [ 120.207278][ T5939] ================================================================== [ 120.215409][ T5939] BUG: KASAN: slab-use-after-free in dvb_device_open+0xca/0x370 [ 120.223101][ T5939] Read of size 8 at addr ffff888144e7d218 by task syz.0.19/5939 [ 120.230767][ T5939] [ 120.233129][ T5939] CPU: 0 PID: 5939 Comm: syz.0.19 Not tainted syzkaller #0 [ 120.240363][ T5939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 120.250473][ T5939] Call Trace: [ 120.253790][ T5939] [ 120.256747][ T5939] dump_stack_lvl+0x18c/0x250 [ 120.261478][ T5939] ? __lock_acquire+0x7d40/0x7d40 [ 120.266536][ T5939] ? show_regs_print_info+0x20/0x20 [ 120.271787][ T5939] ? load_image+0x400/0x400 [ 120.276321][ T5939] ? _raw_spin_lock_irqsave+0xc0/0x100 [ 120.281812][ T5939] ? __virt_addr_valid+0x18c/0x540 [ 120.286956][ T5939] ? __virt_addr_valid+0x469/0x540 [ 120.292100][ T5939] print_report+0xa8/0x210 [ 120.296556][ T5939] ? dvb_device_open+0xca/0x370 [ 120.301434][ T5939] kasan_report+0x117/0x150 [ 120.305985][ T5939] ? chrdev_open+0x3e3/0x6a0 [ 120.310605][ T5939] ? dvb_device_open+0xca/0x370 [ 120.315492][ T5939] dvb_device_open+0xca/0x370 [ 120.320218][ T5939] ? do_raw_spin_unlock+0x121/0x230 [ 120.325468][ T5939] chrdev_open+0x5cc/0x6a0 [ 120.329917][ T5939] ? cd_forget+0x160/0x160 [ 120.334378][ T5939] ? fsnotify_perm+0x3ed/0x5e0 [ 120.339177][ T5939] ? cd_forget+0x160/0x160 [ 120.343623][ T5939] do_dentry_open+0x8c6/0x1500 [ 120.348426][ T5939] path_openat+0x27f1/0x3230 [ 120.353052][ T5939] ? do_sys_openat2+0xda/0x1d0 [ 120.357855][ T5939] ? verify_lock_unused+0x140/0x140 [ 120.363089][ T5939] ? do_filp_open+0x430/0x430 [ 120.367796][ T5939] ? __virt_addr_valid+0x18c/0x540 [ 120.372983][ T5939] do_filp_open+0x1f5/0x430 [ 120.377541][ T5939] ? vfs_tmpfile+0x490/0x490 [ 120.382189][ T5939] ? _raw_spin_unlock+0x28/0x40 [ 120.387078][ T5939] ? alloc_fd+0x58f/0x630 [ 120.391440][ T5939] do_sys_openat2+0x134/0x1d0 [ 120.396143][ T5939] ? do_sys_open+0xe0/0xe0 [ 120.400584][ T5939] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 120.406598][ T5939] ? lock_chain_count+0x20/0x20 [ 120.411491][ T5939] ? lock_chain_count+0x20/0x20 [ 120.416364][ T5939] __x64_sys_openat+0x139/0x160 [ 120.421251][ T5939] do_syscall_64+0x55/0xa0 [ 120.425734][ T5939] ? clear_bhb_loop+0x40/0x90 [ 120.430435][ T5939] ? clear_bhb_loop+0x40/0x90 [ 120.435141][ T5939] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 120.441060][ T5939] RIP: 0033:0x7fee8395cfce [ 120.445520][ T5939] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 120.465151][ T5939] RSP: 002b:00007fee82ffdb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 120.473596][ T5939] RAX: ffffffffffffffda RBX: 00007fee82ffe6c0 RCX: 00007fee8395cfce [ 120.481602][ T5939] RDX: 0000000000000e82 RSI: 00007fee82ffdc00 RDI: ffffffffffffff9c [ 120.489601][ T5939] RBP: 00007fee82ffdc00 R08: 0000000000000000 R09: 0000000000000000 [ 120.497602][ T5939] R10: 0000000000000000 R11: 0000000000000246 R12: cccccccccccccccd [ 120.505600][ T5939] R13: 00007fee83c16128 R14: 00007fee83c16090 R15: 00007ffe821253a8 [ 120.513615][ T5939] [ 120.516662][ T5939] [ 120.519000][ T5939] Allocated by task 1: [ 120.523083][ T5939] kasan_set_track+0x4e/0x70 [ 120.527708][ T5939] __kasan_kmalloc+0x8f/0xa0 [ 120.532331][ T5939] dvb_register_device+0x2fd/0x2210 [ 120.537566][ T5939] dvb_register_frontend+0x649/0x930 [ 120.542885][ T5939] vidtv_bridge_probe+0x9ab/0xf80 [ 120.547949][ T5939] platform_probe+0x13b/0x1c0 [ 120.552663][ T5939] really_probe+0x25b/0xb20 [ 120.557221][ T5939] __driver_probe_device+0x18c/0x330 [ 120.562533][ T5939] driver_probe_device+0x4f/0x420 [ 120.567583][ T5939] __driver_attach+0x44e/0x6e0 [ 120.572375][ T5939] bus_for_each_dev+0x235/0x2b0 [ 120.577262][ T5939] bus_add_driver+0x340/0x630 [ 120.581984][ T5939] driver_register+0x23a/0x310 [ 120.586780][ T5939] vidtv_bridge_init+0x3d/0x70 [ 120.591579][ T5939] do_one_initcall+0x242/0x790 [ 120.596374][ T5939] do_initcall_level+0x137/0x1f0 [ 120.601388][ T5939] do_initcalls+0x69/0xd0 [ 120.605752][ T5939] kernel_init_freeable+0x3ed/0x580 [ 120.610983][ T5939] kernel_init+0x1d/0x1c0 [ 120.615354][ T5939] ret_from_fork+0x48/0x80 [ 120.619793][ T5939] ret_from_fork_asm+0x11/0x20 [ 120.624586][ T5939] [ 120.626929][ T5939] Freed by task 5935: [ 120.630933][ T5939] kasan_set_track+0x4e/0x70 [ 120.635553][ T5939] kasan_save_free_info+0x2e/0x50 [ 120.640611][ T5939] ____kasan_slab_free+0x126/0x1e0 [ 120.645751][ T5939] slab_free_freelist_hook+0x130/0x1a0 [ 120.651234][ T5939] __kmem_cache_free+0xba/0x1e0 [ 120.656120][ T5939] dvb_device_open+0x2ee/0x370 [ 120.660915][ T5939] chrdev_open+0x5cc/0x6a0 [ 120.665362][ T5939] do_dentry_open+0x8c6/0x1500 [ 120.670164][ T5939] path_openat+0x27f1/0x3230 [ 120.674785][ T5939] do_filp_open+0x1f5/0x430 [ 120.679321][ T5939] do_sys_openat2+0x134/0x1d0 [ 120.684032][ T5939] __x64_sys_openat+0x139/0x160 [ 120.688906][ T5939] do_syscall_64+0x55/0xa0 [ 120.693374][ T5939] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 120.699315][ T5939] [ 120.701660][ T5939] The buggy address belongs to the object at ffff888144e7d200 [ 120.701660][ T5939] which belongs to the cache kmalloc-256 of size 256 [ 120.715731][ T5939] The buggy address is located 24 bytes inside of [ 120.715731][ T5939] freed 256-byte region [ffff888144e7d200, ffff888144e7d300) [ 120.729459][ T5939] [ 120.731802][ T5939] The buggy address belongs to the physical page: [ 120.738232][ T5939] page:ffffea0005139f00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x144e7c [ 120.748495][ T5939] head:ffffea0005139f00 order:1 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 120.757466][ T5939] flags: 0x57ff00000000840(slab|head|node=1|zone=2|lastcpupid=0x7ff) [ 120.765569][ T5939] page_type: 0xffffffff() [ 120.769971][ T5939] raw: 057ff00000000840 ffff888017c41b40 dead000000000122 0000000000000000 [ 120.778587][ T5939] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 120.787192][ T5939] page dumped because: kasan: bad access detected [ 120.793628][ T5939] page_owner tracks the page as allocated [ 120.799364][ T5939] page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 16248450286, free_ts 0 [ 120.819106][ T5939] post_alloc_hook+0x1c1/0x200 [ 120.823918][ T5939] get_page_from_freelist+0x1951/0x19e0 [ 120.829496][ T5939] __alloc_pages+0x1f0/0x460 [ 120.834103][ T5939] alloc_page_interleave+0x24/0x1e0 [ 120.839325][ T5939] alloc_slab_page+0x5d/0x160 [ 120.844037][ T5939] new_slab+0x87/0x2d0 [ 120.848190][ T5939] ___slab_alloc+0xc5d/0x12f0 [ 120.852896][ T5939] __kmem_cache_alloc_node+0x19e/0x250 [ 120.858397][ T5939] kmalloc_trace+0x2a/0xe0 [ 120.862847][ T5939] bus_add_driver+0x162/0x630 [ 120.867563][ T5939] driver_register+0x23a/0x310 [ 120.872349][ T5939] usb_register_driver+0x206/0x3d0 [ 120.877492][ T5939] do_one_initcall+0x242/0x790 [ 120.882300][ T5939] do_initcall_level+0x137/0x1f0 [ 120.887267][ T5939] do_initcalls+0x69/0xd0 [ 120.891628][ T5939] kernel_init_freeable+0x3ed/0x580 [ 120.896850][ T5939] page_owner free stack trace missing [ 120.902247][ T5939] [ 120.904601][ T5939] Memory state around the buggy address: [ 120.910245][ T5939] ffff888144e7d100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 120.918338][ T5939] ffff888144e7d180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 120.926414][ T5939] >ffff888144e7d200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 120.934497][ T5939] ^ [ 120.939370][ T5939] ffff888144e7d280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 120.947454][ T5939] ffff888144e7d300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 120.955620][ T5939] ================================================================== [ 120.965043][ T5939] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 120.972275][ T5939] CPU: 0 PID: 5939 Comm: syz.0.19 Not tainted syzkaller #0 [ 120.979505][ T5939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 120.989601][ T5939] Call Trace: [ 120.992911][ T5939] [ 120.995870][ T5939] dump_stack_lvl+0x18c/0x250 [ 121.000616][ T5939] ? show_regs_print_info+0x20/0x20 [ 121.005855][ T5939] ? load_image+0x400/0x400 [ 121.010415][ T5939] panic+0x2dc/0x730 [ 121.014345][ T5939] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 121.020535][ T5939] ? bpf_jit_dump+0xd0/0xd0 [ 121.025070][ T5939] ? _raw_spin_unlock_irqrestore+0x111/0x120 [ 121.031086][ T5939] ? _raw_spin_unlock+0x40/0x40 [ 121.035975][ T5939] ? dvb_device_open+0xca/0x370 [ 121.040857][ T5939] check_panic_on_warn+0x84/0xa0 [ 121.045832][ T5939] ? dvb_device_open+0xca/0x370 [ 121.050717][ T5939] end_report+0x6f/0x130 [ 121.054996][ T5939] kasan_report+0x128/0x150 [ 121.059519][ T5939] ? chrdev_open+0x3e3/0x6a0 [ 121.064134][ T5939] ? dvb_device_open+0xca/0x370 [ 121.069027][ T5939] dvb_device_open+0xca/0x370 [ 121.073737][ T5939] ? do_raw_spin_unlock+0x121/0x230 [ 121.078974][ T5939] chrdev_open+0x5cc/0x6a0 [ 121.083427][ T5939] ? cd_forget+0x160/0x160 [ 121.087874][ T5939] ? fsnotify_perm+0x3ed/0x5e0 [ 121.092668][ T5939] ? cd_forget+0x160/0x160 [ 121.097156][ T5939] do_dentry_open+0x8c6/0x1500 [ 121.101967][ T5939] path_openat+0x27f1/0x3230 [ 121.106596][ T5939] ? do_sys_openat2+0xda/0x1d0 [ 121.111390][ T5939] ? verify_lock_unused+0x140/0x140 [ 121.116624][ T5939] ? do_filp_open+0x430/0x430 [ 121.121330][ T5939] ? __virt_addr_valid+0x18c/0x540 [ 121.126477][ T5939] do_filp_open+0x1f5/0x430 [ 121.131003][ T5939] ? vfs_tmpfile+0x490/0x490 [ 121.135643][ T5939] ? _raw_spin_unlock+0x28/0x40 [ 121.140525][ T5939] ? alloc_fd+0x58f/0x630 [ 121.144892][ T5939] do_sys_openat2+0x134/0x1d0 [ 121.149596][ T5939] ? do_sys_open+0xe0/0xe0 [ 121.154039][ T5939] ? lockdep_hardirqs_on_prepare+0x40d/0x770 [ 121.160064][ T5939] ? lock_chain_count+0x20/0x20 [ 121.164989][ T5939] ? lock_chain_count+0x20/0x20 [ 121.169878][ T5939] __x64_sys_openat+0x139/0x160 [ 121.174769][ T5939] do_syscall_64+0x55/0xa0 [ 121.179219][ T5939] ? clear_bhb_loop+0x40/0x90 [ 121.183943][ T5939] ? clear_bhb_loop+0x40/0x90 [ 121.188663][ T5939] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 121.194583][ T5939] RIP: 0033:0x7fee8395cfce [ 121.199028][ T5939] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 121.218675][ T5939] RSP: 002b:00007fee82ffdb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 121.227130][ T5939] RAX: ffffffffffffffda RBX: 00007fee82ffe6c0 RCX: 00007fee8395cfce [ 121.235125][ T5939] RDX: 0000000000000e82 RSI: 00007fee82ffdc00 RDI: ffffffffffffff9c [ 121.243126][ T5939] RBP: 00007fee82ffdc00 R08: 0000000000000000 R09: 0000000000000000 [ 121.251132][ T5939] R10: 0000000000000000 R11: 0000000000000246 R12: cccccccccccccccd [ 121.259156][ T5939] R13: 00007fee83c16128 R14: 00007fee83c16090 R15: 00007ffe821253a8 [ 121.267160][ T5939] [ 121.270768][ T5939] Kernel Offset: disabled [ 121.275098][ T5939] Rebooting in 86400 seconds..