[ 46.956307][ T5435] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.973775][ T5435] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: [ 47.491670][ T5517] sshd (5517) used greatest stack depth: 20432 bytes left OK syzkaller Warning: Permanently added '10.128.1.49' (ED25519) to the list of known hosts. 2026/05/05 03:24:35 parsed 1 programs syzkaller login: [ 73.591553][ T5781] cgroup: Unknown subsys name 'net' [ 73.737143][ T5781] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 75.082197][ T5781] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 78.941534][ T3001] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.949514][ T3001] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.974913][ T3001] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.982836][ T3001] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.398632][ T5856] chnl_net:caif_netlink_parms(): no params data found [ 79.486219][ T5856] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.494310][ T5856] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.503252][ T5856] bridge_slave_0: entered allmulticast mode [ 79.510507][ T5856] bridge_slave_0: entered promiscuous mode [ 79.519437][ T5856] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.526852][ T5856] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.534740][ T5856] bridge_slave_1: entered allmulticast mode [ 79.541931][ T5856] bridge_slave_1: entered promiscuous mode [ 79.572360][ T5856] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.583434][ T5856] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.608379][ T5856] team0: Port device team_slave_0 added [ 79.617802][ T5856] team0: Port device team_slave_1 added [ 79.646170][ T5856] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 79.653341][ T5856] 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. [ 79.679342][ T5856] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 79.692873][ T5856] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 79.699836][ T5856] 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. [ 79.726209][ T5856] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 79.776617][ T5856] hsr_slave_0: entered promiscuous mode [ 79.782958][ T5856] hsr_slave_1: entered promiscuous mode [ 79.964181][ T5856] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 79.975842][ T5856] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 79.985301][ T5856] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 79.995514][ T5856] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 80.082944][ T5856] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.108340][ T5856] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.121258][ T3001] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.128624][ T3001] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.154612][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.162138][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.329276][ T5856] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.362490][ T5856] veth0_vlan: entered promiscuous mode [ 80.384115][ T5856] veth1_vlan: entered promiscuous mode [ 80.407186][ T5856] veth0_macvtap: entered promiscuous mode [ 80.416024][ T5856] veth1_macvtap: entered promiscuous mode [ 80.441841][ T5856] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 80.456504][ T5856] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 80.468212][ T5856] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.477137][ T5856] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.485970][ T5856] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.494727][ T5856] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.666416][ T5873] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 80.675767][ T5873] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 80.685351][ T5873] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 80.693806][ T5873] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 80.702722][ T5873] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 80.710047][ T5873] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 81.076530][ T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/05/05 03:24:45 executed programs: 0 [ 81.382387][ T5086] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 81.390517][ T5086] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 81.398764][ T5086] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 81.409549][ T5086] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 81.417630][ T5086] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 81.425310][ T5086] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 81.538608][ T5882] chnl_net:caif_netlink_parms(): no params data found [ 81.597519][ T5882] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.604736][ T5882] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.612534][ T5882] bridge_slave_0: entered allmulticast mode [ 81.619169][ T5882] bridge_slave_0: entered promiscuous mode [ 81.627546][ T5882] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.635685][ T5882] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.642854][ T5882] bridge_slave_1: entered allmulticast mode [ 81.649601][ T5882] bridge_slave_1: entered promiscuous mode [ 81.676545][ T5882] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.688301][ T5882] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.718015][ T5882] team0: Port device team_slave_0 added [ 81.727598][ T5882] team0: Port device team_slave_1 added [ 81.753847][ T5882] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 81.761117][ T5882] 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. [ 81.787826][ T5882] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 81.801600][ T5882] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 81.808561][ T5882] 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. [ 81.834843][ T5882] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 81.873947][ T5882] hsr_slave_0: entered promiscuous mode [ 81.880333][ T5882] hsr_slave_1: entered promiscuous mode [ 81.887791][ T5882] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 81.896544][ T5882] Cannot create hsr debugfs directory [ 83.472070][ T5086] Bluetooth: hci0: command tx timeout [ 83.723559][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 85.551365][ T5086] Bluetooth: hci0: command tx timeout [ 85.802072][ T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 85.884939][ T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 86.786801][ T5882] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 86.804194][ T12] hsr_slave_0: left promiscuous mode [ 86.810113][ T12] hsr_slave_1: left promiscuous mode [ 86.816253][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 86.824113][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 86.832914][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 86.840344][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 86.848460][ T12] bridge_slave_1: left allmulticast mode [ 86.854362][ T12] bridge_slave_1: left promiscuous mode [ 86.860676][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.872401][ T12] bridge_slave_0: left allmulticast mode [ 86.878152][ T12] bridge_slave_0: left promiscuous mode [ 86.885111][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.905201][ T12] veth1_macvtap: left promiscuous mode [ 86.911504][ T12] veth0_macvtap: left promiscuous mode [ 86.917096][ T12] veth1_vlan: left promiscuous mode [ 86.922676][ T12] veth0_vlan: left promiscuous mode [ 86.992864][ T28] cfg80211: failed to load regulatory.db [ 87.307780][ T12] team0 (unregistering): Port device team_slave_1 removed [ 87.336075][ T12] team0 (unregistering): Port device team_slave_0 removed [ 87.366461][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 87.400662][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 87.604359][ T12] bond0 (unregistering): Released all slaves [ 87.632179][ T5086] Bluetooth: hci0: command tx timeout [ 87.690871][ T5882] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 87.700207][ T5882] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 87.713406][ T5882] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 87.825151][ T5882] 8021q: adding VLAN 0 to HW filter on device bond0 [ 87.853412][ T5882] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.865858][ T48] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.873157][ T48] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.887798][ T3001] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.894995][ T3001] bridge0: port 2(bridge_slave_1) entered forwarding state [ 88.081958][ T5882] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 88.126754][ T5882] veth0_vlan: entered promiscuous mode [ 88.140366][ T5882] veth1_vlan: entered promiscuous mode [ 88.166080][ T5882] veth0_macvtap: entered promiscuous mode [ 88.181702][ T5882] veth1_macvtap: entered promiscuous mode [ 88.205017][ T5882] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 88.217513][ T5882] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 88.231627][ T5882] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 88.240347][ T5882] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 88.249164][ T5882] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 88.258688][ T5882] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 88.316253][ T48] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 88.327460][ T48] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 88.353236][ T256] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 88.361770][ T256] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 88.422706][ C0] [ 88.422711][ C0] ================================ [ 88.422714][ C0] WARNING: inconsistent lock state [ 88.422724][ C0] syzkaller #0 Not tainted [ 88.422729][ C0] -------------------------------- [ 88.422731][ C0] inconsistent {INITIAL USE} -> {IN-NMI} usage. [ 88.422735][ C0] syz.0.17/5926 [HC1[1]:SC0[0]:HE0:SE1] takes: [ 88.422744][ C0] ffff888078db6da0 (&htab->lockdep_key){....}-{2:2}, at: htab_lock_bucket+0x17d/0x300 [ 88.422779][ C0] {INITIAL USE} state was registered at: [ 88.422785][ C0] lock_acquire+0x19e/0x420 [ 88.422795][ C0] _raw_spin_lock+0x2e/0x40 [ 88.422804][ C0] htab_lock_bucket+0x17d/0x300 [ 88.422812][ C0] htab_map_delete_elem+0x1a4/0x650 [ 88.422820][ C0] bpf_prog_2eee0e635ca9ce2f+0x42/0x46 [ 88.422831][ C0] bpf_overflow_handler+0x1fc/0x510 [ 88.422842][ C0] __perf_event_overflow+0x447/0x630 [ 88.422850][ C0] perf_swevent_overflow+0x268/0x340 [ 88.422860][ C0] perf_swevent_event+0x45c/0x570 [ 88.422868][ C0] perf_bp_event+0x319/0x430 [ 88.422876][ C0] hw_breakpoint_exceptions_notify+0x23e/0x670 [ 88.422886][ C0] notifier_call_chain+0x197/0x380 [ 88.422902][ C0] atomic_notifier_call_chain+0xda/0x180 [ 88.422911][ C0] notify_die+0x145/0x1a0 [ 88.422919][ C0] notify_debug+0x2e/0x50 [ 88.422926][ C0] noist_exc_debug+0x77/0x120 [ 88.422934][ C0] asm_exc_debug+0x33/0x40 [ 88.422943][ C0] irq event stamp: 3460 [ 88.422946][ C0] hardirqs last enabled at (3459): [] pcpu_memcg_post_alloc_hook+0x282/0x3f0 [ 88.422960][ C0] hardirqs last disabled at (3460): [] exc_debug+0x73/0x140 [ 88.422969][ C0] softirqs last enabled at (3006): [] bpf_prog_load+0x1266/0x1670 [ 88.422980][ C0] softirqs last disabled at (3004): [] bpf_ksym_add+0x2d/0x340 [ 88.422991][ C0] [ 88.422991][ C0] other info that might help us debug this: [ 88.422993][ C0] Possible unsafe locking scenario: [ 88.422993][ C0] [ 88.422995][ C0] CPU0 [ 88.422997][ C0] ---- [ 88.422998][ C0] lock(&htab->lockdep_key); [ 88.423003][ C0] [ 88.423005][ C0] lock(&htab->lockdep_key); [ 88.423010][ C0] [ 88.423010][ C0] *** DEADLOCK *** [ 88.423010][ C0] [ 88.423011][ C0] no locks held by syz.0.17/5926. [ 88.423015][ C0] [ 88.423015][ C0] stack backtrace: [ 88.423025][ C0] CPU: 0 PID: 5926 Comm: syz.0.17 Not tainted syzkaller #0 [ 88.423033][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 88.423043][ C0] Call Trace: [ 88.423049][ C0] <#DB> [ 88.423052][ C0] dump_stack_lvl+0x18c/0x250 [ 88.423066][ C0] ? show_regs_print_info+0x20/0x20 [ 88.423079][ C0] ? print_usage_bug+0x475/0x690 [ 88.423088][ C0] ? verify_lock_unused+0x18/0x140 [ 88.423098][ C0] lock_acquire+0x2c2/0x420 [ 88.423108][ C0] ? htab_lock_bucket+0x17d/0x300 [ 88.423117][ C0] ? read_lock_is_recursive+0x20/0x20 [ 88.423129][ C0] _raw_spin_lock+0x2e/0x40 [ 88.423138][ C0] ? htab_lock_bucket+0x17d/0x300 [ 88.423146][ C0] htab_lock_bucket+0x17d/0x300 [ 88.423155][ C0] ? htab_lru_map_delete_node+0x760/0x760 [ 88.423164][ C0] ? look_up_lock_class+0x75/0x140 [ 88.423174][ C0] ? verify_lock_unused+0x18/0x140 [ 88.423183][ C0] ? htab_map_hash+0x1e8/0x330 [ 88.423192][ C0] htab_map_delete_elem+0x1a4/0x650 [ 88.423202][ C0] ? htab_map_update_elem+0x1040/0x1040 [ 88.423210][ C0] ? perf_callchain+0x220/0x220 [ 88.423220][ C0] bpf_prog_2eee0e635ca9ce2f+0x42/0x46 [ 88.423229][ C0] bpf_overflow_handler+0x1fc/0x510 [ 88.423241][ C0] ? bpf_overflow_handler+0xde/0x510 [ 88.423252][ C0] ? tp_perf_event_destroy+0x20/0x20 [ 88.423264][ C0] ? __perf_event_account_interrupt+0x187/0x280 [ 88.423274][ C0] __perf_event_overflow+0x447/0x630 [ 88.423285][ C0] perf_swevent_overflow+0x268/0x340 [ 88.423296][ C0] ? perf_event_switch_output+0x790/0x790 [ 88.423309][ C0] perf_swevent_event+0x45c/0x570 [ 88.423319][ C0] ? perf_tp_event+0x1520/0x1520 [ 88.423330][ C0] perf_bp_event+0x319/0x430 [ 88.423340][ C0] ? perf_event_free_bpf_prog+0x120/0x120 [ 88.423355][ C0] ? lock_acquire+0x2c2/0x420 [ 88.423365][ C0] hw_breakpoint_exceptions_notify+0x23e/0x670 [ 88.423376][ C0] notifier_call_chain+0x197/0x380 [ 88.423387][ C0] ? atomic_notifier_call_chain+0x26/0x180 [ 88.423397][ C0] atomic_notifier_call_chain+0xda/0x180 [ 88.423408][ C0] notify_die+0x145/0x1a0 [ 88.423418][ C0] ? srcu_init_notifier_head+0x90/0x90 [ 88.423430][ C0] ? rcu_is_watching+0x15/0xb0 [ 88.423442][ C0] notify_debug+0x2e/0x50 [ 88.423449][ C0] exc_debug+0xde/0x140 [ 88.423458][ C0] asm_exc_debug+0x1e/0x40 [ 88.423467][ C0] RIP: 0010:rep_movs_alternative+0x4a/0x90 [ 88.423477][ C0] Code: 75 f1 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 df 83 f9 08 73 e8 eb c9 a4 c3 48 8b 06 48 89 07 48 8d 47 08 48 83 e0 f8 48 29 f8 48 01 [ 88.423484][ C0] RSP: 0018:ffffc90003437b48 EFLAGS: 00050206 [ 88.423492][ C0] RAX: ffffffff842a1f01 RBX: 0000000000000088 RCX: 0000000000000007 [ 88.423498][ C0] RDX: 0000000000000001 RSI: 0000200000000301 RDI: ffffc900031720c9 [ 88.423503][ C0] RBP: 0000000000000000 R08: ffffc900031720cf R09: 1ffff9200062e419 [ 88.423509][ C0] R10: dffffc0000000000 R11: fffff5200062e41a R12: 0000200000000308 [ 88.423515][ C0] R13: 0000000000000000 R14: ffffc90003172048 R15: 0000200000000280 [ 88.423522][ C0] ? rcuref_put_slowpath+0x141/0x150 [ 88.423534][ C0] [ 88.423537][ C0] [ 88.423539][ C0] _copy_from_user+0x8b/0xe0 [ 88.423549][ C0] copy_from_bpfptr+0x67/0x80 [ 88.423558][ C0] bpf_prog_load+0xa80/0x1670 [ 88.423569][ C0] ? map_freeze+0x420/0x420 [ 88.423580][ C0] ? __might_fault+0xaa/0x120 [ 88.423588][ C0] ? __might_fault+0xc6/0x120 [ 88.423596][ C0] ? __might_fault+0xaa/0x120 [ 88.423603][ C0] ? bpf_lsm_bpf+0x9/0x10 [ 88.423614][ C0] ? security_bpf+0x7e/0xa0 [ 88.423625][ C0] __sys_bpf+0x5ba/0x890 [ 88.423634][ C0] ? bpf_link_show_fdinfo+0x390/0x390 [ 88.423648][ C0] ? lock_chain_count+0x20/0x20 [ 88.423658][ C0] __x64_sys_bpf+0x7c/0x90 [ 88.423666][ C0] do_syscall_64+0x55/0xa0 [ 88.423673][ C0] ? clear_bhb_loop+0x40/0x90 [ 88.423683][ C0] ? clear_bhb_loop+0x40/0x90 [ 88.423693][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 88.423703][ C0] RIP: 0033:0x7fdcb739cdd9 [ 88.423709][ C0] 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 [ 88.423716][ C0] RSP: 002b:00007fff0bcfcf38 EFLAGS: 00000246 ORIG_RAX: 000000000000014