Warning: Permanently added '10.128.0.86' (ED25519) to the list of known hosts.
2026/05/27 09:38:24 parsed 1 programs
[ 91.070617][ T5784] cgroup: Unknown subsys name 'net'
[ 91.207479][ T5784] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 92.130715][ T27] cfg80211: failed to load regulatory.db
[ 93.140135][ T5784] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 95.425210][ T42] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 95.433808][ T42] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 95.473330][ T2983] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 95.483069][ T2983] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 96.653711][ T5832] chnl_net:caif_netlink_parms(): no params data found
[ 96.755560][ T5832] bridge0: port 1(bridge_slave_0) entered blocking state
[ 96.763705][ T5832] bridge0: port 1(bridge_slave_0) entered disabled state
[ 96.771060][ T5832] bridge_slave_0: entered allmulticast mode
[ 96.778203][ T5832] bridge_slave_0: entered promiscuous mode
[ 96.790464][ T5832] bridge0: port 2(bridge_slave_1) entered blocking state
[ 96.797672][ T5832] bridge0: port 2(bridge_slave_1) entered disabled state
[ 96.806115][ T5832] bridge_slave_1: entered allmulticast mode
[ 96.815766][ T5832] bridge_slave_1: entered promiscuous mode
[ 96.851100][ T5832] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 96.863475][ T5832] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 96.899786][ T5832] team0: Port device team_slave_0 added
[ 96.909615][ T5832] team0: Port device team_slave_1 added
[ 96.946143][ T5832] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 96.953217][ T5832] 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.
[ 96.979851][ T5832] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 96.993918][ T5832] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 97.001159][ T5832] 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.
[ 97.027246][ T5832] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 97.073692][ T5832] hsr_slave_0: entered promiscuous mode
[ 97.080337][ T5832] hsr_slave_1: entered promiscuous mode
[ 97.271354][ T5832] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 97.283730][ T5832] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 97.294273][ T5832] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 97.315376][ T5832] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 97.345970][ T5832] bridge0: port 2(bridge_slave_1) entered blocking state
[ 97.353312][ T5832] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 97.361617][ T5832] bridge0: port 1(bridge_slave_0) entered blocking state
[ 97.368882][ T5832] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 97.456217][ T5832] 8021q: adding VLAN 0 to HW filter on device bond0
[ 97.477048][ T2989] bridge0: port 1(bridge_slave_0) entered disabled state
[ 97.491828][ T2989] bridge0: port 2(bridge_slave_1) entered disabled state
[ 97.519090][ T5832] 8021q: adding VLAN 0 to HW filter on device team0
[ 97.531817][ T2983] bridge0: port 1(bridge_slave_0) entered blocking state
[ 97.539065][ T2983] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 97.557406][ T48] bridge0: port 2(bridge_slave_1) entered blocking state
[ 97.565047][ T48] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 97.800182][ T5832] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 97.853935][ T5832] veth0_vlan: entered promiscuous mode
[ 97.867817][ T5832] veth1_vlan: entered promiscuous mode
[ 97.914768][ T5832] veth0_macvtap: entered promiscuous mode
[ 97.925741][ T5832] veth1_macvtap: entered promiscuous mode
[ 97.945810][ T5832] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 97.963717][ T5832] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 97.980583][ T5832] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 97.992011][ T5832] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 98.001702][ T5832] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 98.010820][ T5832] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 98.161098][ T5832] syz-executor (5832) used greatest stack depth: 20904 bytes left
[ 98.195708][ T4361] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 98.687848][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 98.696936][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 98.708054][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 98.716784][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 98.725206][ T51] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 98.733364][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
2026/05/27 09:38:36 executed programs: 0
[ 100.497084][ T5083] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 100.505470][ T5083] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 100.514770][ T5083] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 100.523439][ T5083] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 100.532956][ T5083] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 100.541268][ T5083] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 100.616066][ T4361] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 100.724494][ T5885] chnl_net:caif_netlink_parms(): no params data found
[ 100.795725][ T5885] bridge0: port 1(bridge_slave_0) entered blocking state
[ 100.802994][ T5885] bridge0: port 1(bridge_slave_0) entered disabled state
[ 100.810344][ T5885] bridge_slave_0: entered allmulticast mode
[ 100.817729][ T5885] bridge_slave_0: entered promiscuous mode
[ 100.826488][ T5885] bridge0: port 2(bridge_slave_1) entered blocking state
[ 100.834291][ T5885] bridge0: port 2(bridge_slave_1) entered disabled state
[ 100.841820][ T5885] bridge_slave_1: entered allmulticast mode
[ 100.849421][ T5885] bridge_slave_1: entered promiscuous mode
[ 100.885044][ T5885] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 100.897396][ T5885] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 100.931736][ T5885] team0: Port device team_slave_0 added
[ 100.940391][ T5885] team0: Port device team_slave_1 added
[ 100.966875][ T5885] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 100.974003][ T5885] 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.
[ 101.000890][ T5885] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 101.013405][ T5885] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 101.020530][ T5885] 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.
[ 101.046606][ T5885] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 101.090904][ T5885] hsr_slave_0: entered promiscuous mode
[ 101.097743][ T5885] hsr_slave_1: entered promiscuous mode
[ 101.104556][ T5885] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 101.113489][ T5885] Cannot create hsr debugfs directory
[ 102.609675][ T51] Bluetooth: hci0: command tx timeout
[ 102.850148][ T4361] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 102.914514][ T4361] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 103.843107][ T5885] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 103.856949][ T5885] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 103.871518][ T5885] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 103.900572][ T5885] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 103.943548][ T4361] hsr_slave_0: left promiscuous mode
[ 103.951920][ T4361] hsr_slave_1: left promiscuous mode
[ 103.958278][ T4361] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 103.966257][ T4361] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 103.983460][ T4361] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 103.991680][ T4361] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 104.000121][ T4361] bridge_slave_1: left allmulticast mode
[ 104.005832][ T4361] bridge_slave_1: left promiscuous mode
[ 104.013079][ T4361] bridge0: port 2(bridge_slave_1) entered disabled state
[ 104.026559][ T4361] bridge_slave_0: left allmulticast mode
[ 104.033888][ T4361] bridge_slave_0: left promiscuous mode
[ 104.040291][ T4361] bridge0: port 1(bridge_slave_0) entered disabled state
[ 104.071507][ T4361] veth1_macvtap: left promiscuous mode
[ 104.078022][ T4361] veth0_macvtap: left promiscuous mode
[ 104.084306][ T4361] veth1_vlan: left promiscuous mode
[ 104.091842][ T4361] veth0_vlan: left promiscuous mode
[ 104.580001][ T4361] team0 (unregistering): Port device team_slave_1 removed
[ 104.616995][ T4361] team0 (unregistering): Port device team_slave_0 removed
[ 104.657163][ T4361] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 104.689481][ T51] Bluetooth: hci0: command tx timeout
[ 104.704079][ T4361] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 104.957208][ T4361] bond0 (unregistering): Released all slaves
[ 105.114026][ T5885] 8021q: adding VLAN 0 to HW filter on device bond0
[ 105.141644][ T5885] 8021q: adding VLAN 0 to HW filter on device team0
[ 105.160994][ T11] bridge0: port 1(bridge_slave_0) entered blocking state
[ 105.168188][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 105.191012][ T42] bridge0: port 2(bridge_slave_1) entered blocking state
[ 105.198443][ T42] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 105.439714][ T5885] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 105.517465][ T5885] veth0_vlan: entered promiscuous mode
[ 105.545324][ T5885] veth1_vlan: entered promiscuous mode
[ 105.597355][ T5885] veth0_macvtap: entered promiscuous mode
[ 105.615454][ T5885] veth1_macvtap: entered promiscuous mode
[ 105.655769][ T5885] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 105.672726][ T5885] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 105.685933][ T5885] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 105.695139][ T5885] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 105.704337][ T5885] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 105.714303][ T5885] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 105.782492][ T2989] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 105.796821][ T2989] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 105.857350][ T2989] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 105.865631][ T2989] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
2026/05/27 09:38:42 executed programs: 2
[ 106.026151][ T5926] ==================================================================
[ 106.034306][ T5926] BUG: KASAN: slab-use-after-free in dvb_frontend_release+0x3ff/0x4a0
[ 106.042626][ T5926] Read of size 4 at addr ffff8880273b023c by task syz.0.18/5926
[ 106.050275][ T5926]
[ 106.052655][ T5926] CPU: 0 PID: 5926 Comm: syz.0.18 Not tainted syzkaller #0
[ 106.059884][ T5926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 106.070005][ T5926] Call Trace:
[ 106.073334][ T5926]
[ 106.076313][ T5926] dump_stack_lvl+0x18c/0x250
[ 106.081064][ T5926] ? read_lock_is_recursive+0x20/0x20
[ 106.086482][ T5926] ? show_regs_print_info+0x20/0x20
[ 106.091721][ T5926] ? load_image+0x420/0x420
[ 106.096246][ T5926] ? _raw_spin_lock_irqsave+0xc0/0x100
[ 106.101731][ T5926] ? __virt_addr_valid+0x18c/0x540
[ 106.106866][ T5926] ? __virt_addr_valid+0x469/0x540
[ 106.112023][ T5926] print_report+0xa8/0x210
[ 106.116459][ T5926] ? dvb_frontend_release+0x3ff/0x4a0
[ 106.121885][ T5926] kasan_report+0x117/0x150
[ 106.126455][ T5926] ? dvb_frontend_release+0x3ff/0x4a0
[ 106.131858][ T5926] dvb_frontend_release+0x3ff/0x4a0
[ 106.137108][ T5926] ? dvb_frontend_open+0x1460/0x1460
[ 106.142435][ T5926] __fput+0x234/0x970
[ 106.146454][ T5926] task_work_run+0x1d4/0x260
[ 106.151267][ T5926] ? task_work_cancel+0x220/0x220
[ 106.156317][ T5926] get_signal+0x1235/0x13f0
[ 106.160840][ T5926] arch_do_signal_or_restart+0xc2/0x800
[ 106.166407][ T5926] ? get_sigframe_size+0x20/0x20
[ 106.171387][ T5926] ? exit_to_user_mode_loop+0x3b/0x110
[ 106.176885][ T5926] exit_to_user_mode_loop+0x70/0x110
[ 106.182211][ T5926] exit_to_user_mode_prepare+0xee/0x180
[ 106.187776][ T5926] syscall_exit_to_user_mode+0x1a/0x50
[ 106.193346][ T5926] do_syscall_64+0x61/0xb0
[ 106.197808][ T5926] ? clear_bhb_loop+0x40/0x90
[ 106.202520][ T5926] ? clear_bhb_loop+0x40/0x90
[ 106.207242][ T5926] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 106.213186][ T5926] RIP: 0033:0x7fb7c079ce59
[ 106.217757][ T5926] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 106.237406][ T5926] RSP: 002b:00007ffddb3ff5c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
[ 106.245872][ T5926] RAX: 0000000000000000 RBX: 00007ffddb3ff6b0 RCX: 00007fb7c079ce59
[ 106.253947][ T5926] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
[ 106.261931][ T5926] RBP: 0000000000019de5 R08: 0000000000000001 R09: 0000000000000000
[ 106.269917][ T5926] R10: 0000001b33c20000 R11: 0000000000000246 R12: 0000000000000000
[ 106.277914][ T5926] R13: 00007fb7c0a15fac R14: 00007fb7c0a15fa8 R15: 00007fb7c0a15fa0
[ 106.285927][ T5926]
[ 106.288966][ T5926]
[ 106.291320][ T5926] Allocated by task 1:
[ 106.295413][ T5926] kasan_set_track+0x4e/0x70
[ 106.300057][ T5926] __kasan_kmalloc+0x8f/0xa0
[ 106.304659][ T5926] dvb_register_device+0x2fd/0x2210
[ 106.309879][ T5926] dvb_register_frontend+0x649/0x930
[ 106.315212][ T5926] vidtv_bridge_probe+0x9ab/0xf80
[ 106.320251][ T5926] platform_probe+0x13b/0x1c0
[ 106.324942][ T5926] really_probe+0x25b/0xb20
[ 106.329459][ T5926] __driver_probe_device+0x1ef/0x390
[ 106.334752][ T5926] driver_probe_device+0x4f/0x420
[ 106.339787][ T5926] __driver_attach+0x44e/0x6e0
[ 106.344558][ T5926] bus_for_each_dev+0x235/0x2b0
[ 106.349414][ T5926] bus_add_driver+0x340/0x630
[ 106.354098][ T5926] driver_register+0x23a/0x310
[ 106.358903][ T5926] vidtv_bridge_init+0x3d/0x70
[ 106.363726][ T5926] do_one_initcall+0x242/0x790
[ 106.368503][ T5926] do_initcall_level+0x137/0x1f0
[ 106.373461][ T5926] do_initcalls+0x69/0xd0
[ 106.377916][ T5926] kernel_init_freeable+0x3ed/0x580
[ 106.383211][ T5926] kernel_init+0x1d/0x1c0
[ 106.387561][ T5926] ret_from_fork+0x48/0x80
[ 106.392002][ T5926] ret_from_fork_asm+0x11/0x20
[ 106.396799][ T5926]
[ 106.399145][ T5926] Freed by task 5926:
[ 106.403142][ T5926] kasan_set_track+0x4e/0x70
[ 106.407745][ T5926] kasan_save_free_info+0x2e/0x50
[ 106.412783][ T5926] ____kasan_slab_free+0x126/0x1e0
[ 106.417919][ T5926] slab_free_freelist_hook+0x130/0x1a0
[ 106.423397][ T5926] __kmem_cache_free+0xba/0x1e0
[ 106.428380][ T5926] dvb_generic_release+0x123/0x1b0
[ 106.433507][ T5926] dvb_frontend_release+0x138/0x4a0
[ 106.438729][ T5926] __fput+0x234/0x970
[ 106.442737][ T5926] task_work_run+0x1d4/0x260
[ 106.447339][ T5926] get_signal+0x1235/0x13f0
[ 106.451867][ T5926] arch_do_signal_or_restart+0xc2/0x800
[ 106.457468][ T5926] exit_to_user_mode_loop+0x70/0x110
[ 106.462809][ T5926] exit_to_user_mode_prepare+0xee/0x180
[ 106.468364][ T5926] syscall_exit_to_user_mode+0x1a/0x50
[ 106.473868][ T5926] do_syscall_64+0x61/0xb0
[ 106.478290][ T5926] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 106.484198][ T5926]
[ 106.486534][ T5926] The buggy address belongs to the object at ffff8880273b0200
[ 106.486534][ T5926] which belongs to the cache kmalloc-256 of size 256
[ 106.500614][ T5926] The buggy address is located 60 bytes inside of
[ 106.500614][ T5926] freed 256-byte region [ffff8880273b0200, ffff8880273b0300)
[ 106.514383][ T5926]
[ 106.516719][ T5926] The buggy address belongs to the physical page:
[ 106.523147][ T5926] page:ffffea00009cec00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x273b0
[ 106.533334][ T5926] head:ffffea00009cec00 order:1 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 106.542299][ T5926] flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff)
[ 106.550301][ T5926] page_type: 0xffffffff()
[ 106.554642][ T5926] raw: 00fff00000000840 ffff888017c41b40 dead000000000122 0000000000000000
[ 106.563234][ T5926] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
[ 106.571825][ T5926] page dumped because: kasan: bad access detected
[ 106.578250][ T5926] page_owner tracks the page as allocated
[ 106.584018][ T5926] 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 19523995695, free_ts 0
[ 106.603762][ T5926] post_alloc_hook+0x1c1/0x200
[ 106.608548][ T5926] get_page_from_freelist+0x1951/0x19e0
[ 106.614119][ T5926] __alloc_pages+0x1f0/0x460
[ 106.618755][ T5926] alloc_page_interleave+0x24/0x1e0
[ 106.624002][ T5926] alloc_slab_page+0x5d/0x160
[ 106.628712][ T5926] new_slab+0x87/0x2d0
[ 106.632820][ T5926] ___slab_alloc+0xc5d/0x12f0
[ 106.637508][ T5926] __kmem_cache_alloc_node+0x19e/0x250
[ 106.642983][ T5926] kmalloc_trace+0x2a/0xe0
[ 106.647431][ T5926] bus_add_driver+0x162/0x630
[ 106.652115][ T5926] driver_register+0x23a/0x310
[ 106.656892][ T5926] vidtv_bridge_init+0x3d/0x70
[ 106.661671][ T5926] do_one_initcall+0x242/0x790
[ 106.666441][ T5926] do_initcall_level+0x137/0x1f0
[ 106.671389][ T5926] do_initcalls+0x69/0xd0
[ 106.675762][ T5926] kernel_init_freeable+0x3ed/0x580
[ 106.680967][ T5926] page_owner free stack trace missing
[ 106.686331][ T5926]
[ 106.688750][ T5926] Memory state around the buggy address:
[ 106.694412][ T5926] ffff8880273b0100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 106.702507][ T5926] ffff8880273b0180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 106.710577][ T5926] >ffff8880273b0200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 106.718656][ T5926] ^
[ 106.724581][ T5926] ffff8880273b0280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 106.732651][ T5926] ffff8880273b0300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 106.740715][ T5926] ==================================================================
[ 106.752972][ T5926] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 106.760200][ T5926] CPU: 1 PID: 5926 Comm: syz.0.18 Not tainted syzkaller #0
[ 106.767401][ T5926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 106.777466][ T5926] Call Trace:
[ 106.780753][ T5926]
[ 106.783686][ T5926] dump_stack_lvl+0x18c/0x250
[ 106.788377][ T5926] ? show_regs_print_info+0x20/0x20
[ 106.793578][ T5926] ? load_image+0x420/0x420
[ 106.798095][ T5926] panic+0x2dc/0x730
[ 106.802008][ T5926] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 106.808200][ T5926] ? bpf_jit_dump+0xd0/0xd0
[ 106.812746][ T5926] ? _raw_spin_unlock_irqrestore+0x111/0x120
[ 106.818929][ T5926] ? _raw_spin_unlock+0x40/0x40
[ 106.823806][ T5926] ? dvb_frontend_release+0x3ff/0x4a0
[ 106.829205][ T5926] check_panic_on_warn+0x84/0xa0
[ 106.834164][ T5926] ? dvb_frontend_release+0x3ff/0x4a0
[ 106.839570][ T5926] end_report+0x6f/0x130
[ 106.843838][ T5926] kasan_report+0x128/0x150
[ 106.848363][ T5926] ? dvb_frontend_release+0x3ff/0x4a0
[ 106.853774][ T5926] dvb_frontend_release+0x3ff/0x4a0
[ 106.859010][ T5926] ? dvb_frontend_open+0x1460/0x1460
[ 106.864326][ T5926] __fput+0x234/0x970
[ 106.868335][ T5926] task_work_run+0x1d4/0x260
[ 106.872957][ T5926] ? task_work_cancel+0x220/0x220
[ 106.878010][ T5926] get_signal+0x1235/0x13f0
[ 106.882544][ T5926] arch_do_signal_or_restart+0xc2/0x800
[ 106.888122][ T5926] ? get_sigframe_size+0x20/0x20
[ 106.893128][ T5926] ? exit_to_user_mode_loop+0x3b/0x110
[ 106.898615][ T5926] exit_to_user_mode_loop+0x70/0x110
[ 106.904202][ T5926] exit_to_user_mode_prepare+0xee/0x180
[ 106.909861][ T5926] syscall_exit_to_user_mode+0x1a/0x50
[ 106.915433][ T5926] do_syscall_64+0x61/0xb0
[ 106.919872][ T5926] ? clear_bhb_loop+0x40/0x90
[ 106.924599][ T5926] ? clear_bhb_loop+0x40/0x90
[ 106.929306][ T5926] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 106.935239][ T5926] RIP: 0033:0x7fb7c079ce59
[ 106.939671][ T5926] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 106.959301][ T5926] RSP: 002b:00007ffddb3ff5c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
[ 106.967749][ T5926] RAX: 0000000000000000 RBX: 00007ffddb3ff6b0 RCX: 00007fb7c079ce59
[ 106.975910][ T5926] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
[ 106.983992][ T5926] RBP: 0000000000019de5 R08: 0000000000000001 R09: 0000000000000000
[ 106.992069][ T5926] R10: 0000001b33c20000 R11: 0000000000000246 R12: 0000000000000000
[ 107.000060][ T5926] R13: 00007fb7c0a15fac R14: 00007fb7c0a15fa8 R15: 00007fb7c0a15fa0
[ 107.008074][ T5926]
[ 107.011781][ T5926] Kernel Offset: disabled
[ 107.016143][ T5926] Rebooting in 86400 seconds..