[ 91.891354][ T10] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.68' (ED25519) to the list of known hosts. 2026/05/07 09:24:16 parsed 1 programs [ 99.759650][ T5629] cgroup: Unknown subsys name 'net' [ 99.998700][ T5629] cgroup: Unknown subsys name 'cpuset' [ 100.054039][ T5629] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 102.022131][ T5629] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 107.379707][ T60] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 107.381649][ T60] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 107.382644][ T60] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 107.408958][ T60] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 107.409766][ T60] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 108.171522][ T1220] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.171550][ T1220] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 108.359174][ T1220] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.359196][ T1220] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 111.128366][ T5688] bridge0: port 1(bridge_slave_0) entered blocking state [ 111.130135][ T5688] bridge0: port 1(bridge_slave_0) entered disabled state [ 111.130357][ T5688] bridge_slave_0: entered allmulticast mode [ 111.132816][ T5688] bridge_slave_0: entered promiscuous mode [ 111.176862][ T5688] bridge0: port 2(bridge_slave_1) entered blocking state [ 111.177185][ T5688] bridge0: port 2(bridge_slave_1) entered disabled state [ 111.177405][ T5688] bridge_slave_1: entered allmulticast mode [ 111.179765][ T5688] bridge_slave_1: entered promiscuous mode [ 111.253481][ T5688] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 111.260761][ T5688] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 111.311831][ T5688] team0: Port device team_slave_0 added [ 111.320481][ T5688] team0: Port device team_slave_1 added [ 111.380870][ T5688] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 111.380890][ T5688] 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. [ 111.380921][ T5688] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 111.394417][ T5688] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 111.394468][ T5688] 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. [ 111.394553][ T5688] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 111.560447][ T5688] hsr_slave_0: entered promiscuous mode [ 111.562809][ T5688] hsr_slave_1: entered promiscuous mode [ 112.216846][ T5688] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 112.249270][ T5688] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 112.252049][ T5688] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 112.279834][ T5688] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 112.281276][ T5688] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 112.306673][ T5688] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 112.307835][ T5688] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 112.339738][ T5688] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 112.506305][ T5688] 8021q: adding VLAN 0 to HW filter on device bond0 [ 112.555532][ T5688] 8021q: adding VLAN 0 to HW filter on device team0 [ 112.582864][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.591467][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 112.630115][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.633901][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 113.160515][ T5688] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 113.279600][ T5688] veth0_vlan: entered promiscuous mode [ 113.312875][ T5688] veth1_vlan: entered promiscuous mode [ 113.391129][ T5688] veth0_macvtap: entered promiscuous mode [ 113.406435][ T5688] veth1_macvtap: entered promiscuous mode [ 113.453785][ T5688] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 113.468149][ T5688] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 113.510510][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 113.528945][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 113.528998][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 113.529039][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 114.258921][ T1220] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 115.049209][ T1220] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 115.621606][ T1220] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 115.931421][ T1220] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 116.524833][ T1220] bridge_slave_1: left allmulticast mode [ 116.525036][ T1220] bridge_slave_1: left promiscuous mode [ 116.531758][ T1220] bridge0: port 2(bridge_slave_1) entered disabled state [ 116.645218][ T1220] bridge_slave_0: left allmulticast mode [ 116.645256][ T1220] bridge_slave_0: left promiscuous mode [ 116.645530][ T1220] bridge0: port 1(bridge_slave_0) entered disabled state [ 117.345378][ T1220] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 117.404061][ T1220] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 117.446304][ T1220] bond0 (unregistering): Released all slaves [ 117.475262][ T5271] 8021q: adding VLAN 0 to HW filter on device eth1 [ 117.806285][ T1220] hsr_slave_0: left promiscuous mode [ 117.843326][ T1220] hsr_slave_1: left promiscuous mode [ 117.849473][ T1220] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 117.849564][ T1220] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 117.897886][ T1220] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 117.897918][ T1220] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 118.095212][ T1220] veth1_macvtap: left promiscuous mode [ 118.095479][ T1220] veth0_macvtap: left promiscuous mode [ 118.116894][ T1220] veth1_vlan: left promiscuous mode [ 118.117467][ T1220] veth0_vlan: left promiscuous mode 2026/05/07 09:24:39 executed programs: 0 [ 118.539215][ T60] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 118.568215][ T60] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 118.569429][ T60] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 118.576825][ T60] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 118.583786][ T60] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 119.174136][ T1220] team0 (unregistering): Port device team_slave_1 removed [ 119.234052][ T1220] team0 (unregistering): Port device team_slave_0 removed [ 119.446553][ T5271] 8021q: adding VLAN 0 to HW filter on device eth2 [ 120.159541][ T5271] 8021q: adding VLAN 0 to HW filter on device eth3 [ 120.633380][ T5777] bridge0: port 1(bridge_slave_0) entered blocking state [ 120.633799][ T5777] bridge0: port 1(bridge_slave_0) entered disabled state [ 120.634084][ T5777] bridge_slave_0: entered allmulticast mode [ 120.637630][ T5777] bridge_slave_0: entered promiscuous mode [ 120.678939][ T5777] bridge0: port 2(bridge_slave_1) entered blocking state [ 120.679350][ T5777] bridge0: port 2(bridge_slave_1) entered disabled state [ 120.679651][ T5777] bridge_slave_1: entered allmulticast mode [ 120.688129][ T4925] Bluetooth: hci0: command tx timeout [ 120.709276][ T5777] bridge_slave_1: entered promiscuous mode [ 120.798955][ T5777] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 120.817300][ T5777] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 120.883159][ T5777] team0: Port device team_slave_0 added [ 120.888977][ T5777] team0: Port device team_slave_1 added [ 121.295534][ T5271] 8021q: adding VLAN 0 to HW filter on device eth4 [ 121.311451][ T5777] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 121.311469][ T5777] 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. [ 121.311499][ T5777] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 121.362444][ T5777] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 121.362463][ T5777] 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. [ 121.362492][ T5777] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 121.500219][ T5777] hsr_slave_0: entered promiscuous mode [ 121.502041][ T5777] hsr_slave_1: entered promiscuous mode [ 122.777755][ T4925] Bluetooth: hci0: command tx timeout [ 123.708981][ T5777] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 123.769859][ T5777] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 123.771475][ T5777] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 123.822919][ T5777] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 123.831224][ T5777] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 123.880441][ T5777] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 123.891502][ T5777] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 123.922709][ T5777] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 124.175363][ T5777] 8021q: adding VLAN 0 to HW filter on device bond0 [ 124.236851][ T5777] 8021q: adding VLAN 0 to HW filter on device team0 [ 124.264844][ T1220] bridge0: port 1(bridge_slave_0) entered blocking state [ 124.265089][ T1220] bridge0: port 1(bridge_slave_0) entered forwarding state [ 124.302675][ T1314] bridge0: port 2(bridge_slave_1) entered blocking state [ 124.302881][ T1314] bridge0: port 2(bridge_slave_1) entered forwarding state [ 124.843442][ T4925] Bluetooth: hci0: command tx timeout [ 125.070269][ T5777] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 125.226963][ T5777] veth0_vlan: entered promiscuous mode [ 125.246424][ T5777] veth1_vlan: entered promiscuous mode [ 125.317590][ T5777] veth0_macvtap: entered promiscuous mode [ 125.349612][ T5777] veth1_macvtap: entered promiscuous mode [ 125.394156][ T5777] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 125.434997][ T5777] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 125.469246][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 125.470860][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 125.506849][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 125.508027][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 126.196332][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 126.196355][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 126.281456][ T1314] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 126.281477][ T1314] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/05/07 09:24:47 executed programs: 2 [ 126.531881][ T5940] =========================================================[ 126.531881][ T5940] ================================================================== [ 126.531899][ T5940] BUG: KASAN: slab-use-after-free in dvb_device_open+0xc4/0x360 [ 126.531934][ T5940] Read of size 8 at addr ffff88802c434818 by task syz.0.19/5940 [ 126.531954][ T5940] [ 126.531984][ T5940] CPU: 1 UID: 0 PID: 5940 Comm: syz.0.19 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 126.532014][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 126.532036][ T5940] Call Trace: [ 126.532049][ T5940] [ 126.532059][ T5940] dump_stack_lvl+0xe8/0x150 [ 126.532088][ T5940] print_address_description+0x55/0x1e0 [ 126.532119][ T5940] ? dvb_device_open+0xc4/0x360 [ 126.532146][ T5940] print_report+0x58/0x70 [ 126.532172][ T5940] kasan_report+0x117/0x150 [ 126.532205][ T5940] ? dvb_device_open+0xc4/0x360 [ 126.532235][ T5940] dvb_device_open+0xc4/0x360 [ 126.532262][ T5940] ? rt_spin_unlock+0x160/0x200 [ 126.532289][ T5940] chrdev_open+0x4d0/0x5f0 [ 126.532312][ T5940] ? __pfx_chrdev_open+0x10/0x10 [ 126.532334][ T5940] ? fsnotify_open_perm_and_set_mode+0x13b/0x6e0 [ 126.532376][ T5940] ? __pfx_chrdev_open+0x10/0x10 [ 126.532398][ T5940] do_dentry_open+0x83d/0x13e0 [ 126.532429][ T5940] vfs_open+0x3b/0x350 [ 126.532450][ T5940] ? path_openat+0x2e2b/0x38a0 [ 126.532482][ T5940] path_openat+0x2e43/0x38a0 [ 126.532530][ T5940] ? __pfx_path_openat+0x10/0x10 [ 126.532561][ T5940] ? kasan_save_track+0x4f/0x80 [ 126.532589][ T5940] ? kasan_save_track+0x3e/0x80 [ 126.532616][ T5940] ? __kasan_slab_alloc+0x6c/0x80 [ 126.532644][ T5940] ? kmem_cache_alloc_noprof+0x33b/0x680 [ 126.532678][ T5940] ? do_raw_spin_lock+0x12b/0x2f0 [ 126.532715][ T5940] do_file_open+0x23e/0x4a0 [ 126.532744][ T5940] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 126.532778][ T5940] ? __pfx_do_file_open+0x10/0x10 [ 126.532806][ T5940] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 126.532844][ T5940] ? alloc_fd+0x64e/0x6c0 [ 126.532875][ T5940] do_sys_openat2+0x113/0x200 [ 126.532901][ T5940] ? __pfx_do_sys_openat2+0x10/0x10 [ 126.532931][ T5940] ? __task_pid_nr_ns+0x28/0x470 [ 126.532956][ T5940] __x64_sys_openat+0x138/0x170 [ 126.532983][ T5940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 126.533006][ T5940] do_syscall_64+0x15f/0xf80 [ 126.533038][ T5940] ? trace_irq_disable+0x3b/0x140 [ 126.533070][ T5940] ? clear_bhb_loop+0x40/0x90 [ 126.533097][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 126.533120][ T5940] RIP: 0033:0x7f6bff0cd60e [ 126.533148][ T5940] 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 [ 126.533168][ T5940] RSP: 002b:00007ffc46dfbfa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 126.533200][ T5940] RAX: ffffffffffffffda RBX: 000055556378b500 RCX: 00007f6bff0cd60e [ 126.533218][ T5940] RDX: 0000000000000002 RSI: 00007ffc46dfc080 RDI: ffffffffffffff9c [ 126.533233][ T5940] RBP: 00007ffc46dfc080 R08: 0000000000000000 R09: 0000000000000000 [ 126.533247][ T5940] R10: 0000000000000000 R11: 0000000000000246 R12: cccccccccccccccd [ 126.533262][ T5940] R13: 00007f6bff385fac R14: 00007f6bff385fa0 R15: 00007f6bff385fa0 [ 126.533287][ T5940] [ 126.533295][ T5940] [ 126.533300][ T5940] Allocated by task 1: [ 126.533311][ T5940] kasan_save_track+0x3e/0x80 [ 126.533337][ T5940] __kasan_kmalloc+0x93/0xb0 [ 126.533371][ T5940] __kmalloc_cache_noprof+0x3a6/0x690 [ 126.533399][ T5940] dvb_register_device+0x2fd/0x21e0 [ 126.533423][ T5940] dvb_register_frontend+0x631/0x920 [ 126.533443][ T5940] vidtv_bridge_probe+0x9aa/0xf80 [ 126.533470][ T5940] platform_probe+0xf9/0x190 [ 126.533495][ T5940] really_probe+0x267/0xaf0 [ 126.533523][ T5940] __driver_probe_device+0x1e2/0x350 [ 126.533550][ T5940] driver_probe_device+0x4f/0x240 [ 126.533578][ T5940] __driver_attach+0x33c/0x600 [ 126.533605][ T5940] bus_for_each_dev+0x23e/0x2c0 [ 126.533626][ T5940] bus_add_driver+0x348/0x670 [ 126.533647][ T5940] driver_register+0x23a/0x320 [ 126.533665][ T5940] vidtv_bridge_init+0x36/0x60 [ 126.533684][ T5940] do_one_initcall+0x250/0x870 [ 126.533708][ T5940] do_initcall_level+0x104/0x190 [ 126.533727][ T5940] do_initcalls+0x59/0xa0 [ 126.533745][ T5940] kernel_init_freeable+0x2a6/0x3e0 [ 126.533765][ T5940] kernel_init+0x1d/0x1d0 [ 126.533784][ T5940] ret_from_fork+0x514/0xb70 [ 126.533805][ T5940] ret_from_fork_asm+0x1a/0x30 [ 126.533830][ T5940] [ 126.533835][ T5940] Freed by task 5937: [ 126.533846][ T5940] kasan_save_track+0x3e/0x80 [ 126.533872][ T5940] kasan_save_free_info+0x46/0x50 [ 126.533892][ T5940] __kasan_slab_free+0x5c/0x80 [ 126.533917][ T5940] kfree+0x1c5/0x6c0 [ 126.533940][ T5940] dvb_device_open+0x2d6/0x360 [ 126.533963][ T5940] chrdev_open+0x4d0/0x5f0 [ 126.533980][ T5940] do_dentry_open+0x83d/0x13e0 [ 126.534001][ T5940] vfs_open+0x3b/0x350 [ 126.534020][ T5940] path_openat+0x2e43/0x38a0 [ 126.534046][ T5940] do_file_open+0x23e/0x4a0 [ 126.534072][ T5940] do_sys_openat2+0x113/0x200 [ 126.534093][ T5940] __x64_sys_openat+0x138/0x170 [ 126.534115][ T5940] do_syscall_64+0x15f/0xf80 [ 126.534142][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 126.534162][ T5940] [ 126.534167][ T5940] The buggy address belongs to the object at ffff88802c434800 [ 126.534167][ T5940] which belongs to the cache kmalloc-512 of size 512 [ 126.534186][ T5940] The buggy address is located 24 bytes inside of [ 126.534186][ T5940] freed 512-byte region [ffff88802c434800, ffff88802c434a00) [ 126.534209][ T5940] [ 126.534215][ T5940] The buggy address belongs to the physical page: [ 126.534232][ T5940] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2c434 [ 126.534252][ T5940] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 126.534269][ T5940] flags: 0x80000000000040(head|node=0|zone=1) [ 126.534296][ T5940] page_type: f5(slab) [ 126.534316][ T5940] raw: 0080000000000040 ffff88813fea1c80 dead000000000100 dead000000000122 [ 126.534336][ T5940] raw: 0000000000000000 0000000800100010 00000000f5000000 0000000000000000 [ 126.534357][ T5940] head: 0080000000000040 ffff88813fea1c80 dead000000000100 dead000000000122 [ 126.534382][ T5940] head: 0000000000000000 0000000800100010 00000000f5000000 0000000000000000 [ 126.534403][ T5940] head: 0080000000000002 ffffffffffffff01 00000000ffffffff 00000000ffffffff [ 126.534422][ T5940] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000004 [ 126.534434][ T5940] page dumped because: kasan: bad access detected [ 126.534449][ T5940] page_owner tracks the page as allocated [ 126.534457][ T5940] page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 21176373413, free_ts 0 [ 126.534494][ T5940] post_alloc_hook+0x1f9/0x250 [ 126.534521][ T5940] get_page_from_freelist+0x27d6/0x2850 [ 126.534553][ T5940] __alloc_frozen_pages_noprof+0x18d/0x380 [ 126.534585][ T5940] allocate_slab+0x74/0x5e0 [ 126.534604][ T5940] refill_objects+0x33c/0x3d0 [ 126.534623][ T5940] __pcs_replace_empty_main+0x373/0x720 [ 126.534645][ T5940] __kmalloc_cache_noprof+0x44e/0x690 [ 126.534672][ T5940] bus_add_driver+0x165/0x670 [ 126.534693][ T5940] driver_register+0x23a/0x320 [ 126.534711][ T5940] vidtv_bridge_init+0x36/0x60 [ 126.534729][ T5940] do_one_initcall+0x250/0x870 [ 126.534753][ T5940] do_initcall_level+0x104/0x190 [ 126.534774][ T5940] do_initcalls+0x59/0xa0 [ 126.534792][ T5940] kernel_init_freeable+0x2a6/0x3e0 [ 126.534812][ T5940] kernel_init+0x1d/0x1d0 [ 126.534831][ T5940] ret_from_fork+0x514/0xb70 [ 126.534852][ T5940] page_owner free stack trace missing [ 126.534860][ T5940] [ 126.534865][ T5940] Memory state around the buggy address: [ 126.534876][ T5940] ffff88802c434700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 126.534891][ T5940] ffff88802c434780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 126.534906][ T5940] >ffff88802c434800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 126.534917][ T5940] ^ [ 126.534928][ T5940] ffff88802c434880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 126.534943][ T5940] ffff88802c434900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 126.534954][ T5940] ================================================================== [ 126.540122][ T5940] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 126.540177][ T5940] CPU: 1 UID: 0 PID: 5940 Comm: syz.0.19 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 126.540249][ T5940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 126.540282][ T5940] Call Trace: [ 126.540303][ T5940] [ 126.540326][ T5940] vpanic+0x56c/0xa60 [ 126.540431][ T5940] ? __pfx_vpanic+0x10/0x10 [ 126.540536][ T5940] ? __pfx___schedule+0x10/0x10 [ 126.540632][ T5940] panic+0xc5/0xd0 [ 126.540714][ T5940] ? __pfx_panic+0x10/0x10 [ 126.540793][ T5940] ? preempt_schedule_thunk+0x16/0x40 [ 126.540891][ T5940] ? dvb_device_open+0xc4/0x360 [ 126.540957][ T5940] check_panic_on_warn+0x89/0xb0 [ 126.540982][ T5940] ? dvb_device_open+0xc4/0x360 [ 126.541051][ T5940] end_report+0x73/0x170 [ 126.541128][ T5940] ? dvb_device_open+0xc4/0x360 [ 126.541192][ T5940] kasan_report+0x128/0x150 [ 126.541275][ T5940] ? dvb_device_open+0xc4/0x360 [ 126.541350][ T5940] dvb_device_open+0xc4/0x360 [ 126.541433][ T5940] ? rt_spin_unlock+0x160/0x200 [ 126.541499][ T5940] chrdev_open+0x4d0/0x5f0 [ 126.541561][ T5940] ? __pfx_chrdev_open+0x10/0x10 [ 126.541608][ T5940] ? fsnotify_open_perm_and_set_mode+0x13b/0x6e0 [ 126.541689][ T5940] ? __pfx_chrdev_open+0x10/0x10 [ 126.541742][ T5940] do_dentry_open+0x83d/0x13e0 [ 126.541817][ T5940] vfs_open+0x3b/0x350 [ 126.541893][ T5940] ? path_openat+0x2e2b/0x38a0 [ 126.541991][ T5940] path_openat+0x2e43/0x38a0 [ 126.542109][ T5940] ? __pfx_path_openat+0x10/0x10 [ 126.542195][ T5940] ? kasan_save_track+0x4f/0x80 [ 126.542262][ T5940] ? kasan_save_track+0x3e/0x80 [ 126.542334][ T5940] ? __kasan_slab_alloc+0x6c/0x80 [ 126.542409][ T5940] ? kmem_cache_alloc_noprof+0x33b/0x680 [ 126.542496][ T5940] ? do_raw_spin_lock+0x12b/0x2f0 [ 126.542583][ T5940] do_file_open+0x23e/0x4a0 [ 126.542661][ T5940] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 126.542746][ T5940] ? __pfx_do_file_open+0x10/0x10 [ 126.542820][ T5940] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 126.542915][ T5940] ? alloc_fd+0x64e/0x6c0 [ 126.542990][ T5940] do_sys_openat2+0x113/0x200 [ 126.543055][ T5940] ? __pfx_do_sys_openat2+0x10/0x10 [ 126.543129][ T5940] ? __task_pid_nr_ns+0x28/0x470 [ 126.543185][ T5940] __x64_sys_openat+0x138/0x170 [ 126.543212][ T5940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 126.543236][ T5940] do_syscall_64+0x15f/0xf80 [ 126.543294][ T5940] ? trace_irq_disable+0x3b/0x140 [ 126.543422][ T5940] ? clear_bhb_loop+0x40/0x90 [ 126.543487][ T5940] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 126.543543][ T5940] RIP: 0033:0x7f6bff0cd60e [ 126.543605][ T5940] 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 [ 126.543643][ T5940] RSP: 002b:00007ffc46dfbfa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 126.543707][ T5940] RAX: ffffffffffffffda RBX: 000055556378b500 RCX: 00007f6bff0cd60e [ 126.543750][ T5940] RDX: 0000000000000002 RSI: 00007ffc46dfc080 RDI: ffffffffffffff9c [ 126.543792][ T5940] RBP: 00007ffc46dfc080 R08: 0000000000000000 R09: 0000000000000000 [ 126.543826][ T5940] R10: 0000000000000000 R11: 0000000000000246 R12: cccccccccccccccd [ 126.543869][ T5940] R13: 00007f6bff385fac R14: 00007f6bff385fa0 R15: 00007f6bff385fa0 [ 126.543941][ T5940] [ 126.544118][ T5940] Kernel Offset: disabled