Warning: Permanently added '10.128.1.105' (ED25519) to the list of known hosts. 2026/03/02 19:18:25 ignoring optional flag "type"="gce" 2026/03/02 19:18:26 parsed 1 programs [ 71.680358][ T1421] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.687448][ T1421] ieee802154 phy1 wpan1: encryption failed: -22 2026/03/02 19:18:27 executed programs: 0 [ 72.097229][ T4480] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 72.228413][ T4503] chnl_net:caif_netlink_parms(): no params data found [ 72.266758][ T4503] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.274163][ T4503] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.282614][ T4503] device bridge_slave_0 entered promiscuous mode [ 72.291201][ T4503] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.298428][ T4503] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.306486][ T4503] device bridge_slave_1 entered promiscuous mode [ 72.325326][ T4503] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.336754][ T4503] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.357981][ T4503] team0: Port device team_slave_0 added [ 72.366606][ T4503] team0: Port device team_slave_1 added [ 72.383059][ T4503] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.391568][ T4503] 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. [ 72.424544][ T4503] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.438754][ T4503] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.446550][ T4503] 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. [ 72.473213][ T4503] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.503235][ T4503] device hsr_slave_0 entered promiscuous mode [ 72.510047][ T4503] device hsr_slave_1 entered promiscuous mode [ 72.982358][ T4503] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.993003][ T4503] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.004281][ T4503] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.014485][ T4503] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.038226][ T4503] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.045834][ T4503] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.053241][ T4503] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.060517][ T4503] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.121649][ T4503] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.137830][ T4257] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.147156][ T4257] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.155870][ T4257] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.164221][ T4257] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 73.180598][ T4503] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.194315][ T4257] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.205058][ T4257] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.212617][ T4257] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.241218][ T4257] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.251843][ T4257] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.259295][ T4257] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.271967][ T4257] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.317881][ T4257] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.328041][ T4257] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.338349][ T4257] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.360620][ T4257] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.385355][ T4257] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.400207][ T4257] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.426023][ T4257] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.447479][ T4503] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.683501][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.693491][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.709807][ T4503] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.732904][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.744969][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.766256][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.775811][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.785811][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.794111][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.804449][ T4503] device veth0_vlan entered promiscuous mode [ 73.818585][ T4503] device veth1_vlan entered promiscuous mode [ 73.847556][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.857076][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.866876][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 73.876004][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.889306][ T4503] device veth0_macvtap entered promiscuous mode [ 73.900838][ T4503] device veth1_macvtap entered promiscuous mode [ 73.923118][ T4503] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.931536][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 73.942302][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 73.951557][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.962182][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.975036][ T4503] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.987745][ T4503] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.998075][ T4503] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.007638][ T4503] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.016836][ T4503] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.028842][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.038692][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.155952][ T4202] Bluetooth: hci0: command 0x0409 tx timeout [ 74.545569][ T4513] [ 74.547928][ T4513] ====================================================== [ 74.554921][ T4513] WARNING: possible circular locking dependency detected [ 74.562007][ T4513] syzkaller #0 Not tainted [ 74.566406][ T4513] ------------------------------------------------------ [ 74.573494][ T4513] udevd/4513 is trying to acquire lock: [ 74.579199][ T4513] ffff8880b9027eb8 (krc.lock){..-.}-{2:2}, at: kvfree_call_rcu+0x18d/0x7d0 [ 74.587802][ T4513] [ 74.587802][ T4513] but task is already holding lock: [ 74.595146][ T4513] ffff888022d17a38 (&trie->lock){..-.}-{2:2}, at: trie_delete_elem+0x90/0x710 [ 74.603995][ T4513] [ 74.603995][ T4513] which lock already depends on the new lock. [ 74.603995][ T4513] [ 74.614596][ T4513] [ 74.614596][ T4513] the existing dependency chain (in reverse order) is: [ 74.623948][ T4513] [ 74.623948][ T4513] -> #2 (&trie->lock){..-.}-{2:2}: [ 74.631218][ T4513] _raw_spin_lock_irqsave+0xb0/0x100 [ 74.637022][ T4513] trie_delete_elem+0x90/0x710 [ 74.642283][ T4513] bpf_prog_2c29ac5cdc6b1842+0x272/0xe54 [ 74.648412][ T4513] bpf_trace_run3+0x19e/0x350 [ 74.653807][ T4513] enqueue_timer+0x394/0x520 [ 74.659004][ T4513] __mod_timer+0x911/0xd00 [ 74.663936][ T4513] schedule_timeout+0x17f/0x2d0 [ 74.669412][ T4513] msleep+0x31/0x50 [ 74.673994][ T4513] nsim_fib_event_work+0x27fb/0x33e0 [ 74.679789][ T4513] process_one_work+0x85f/0x1010 [ 74.685246][ T4513] worker_thread+0xd60/0x1290 [ 74.690448][ T4513] kthread+0x436/0x520 [ 74.695120][ T4513] ret_from_fork+0x1f/0x30 [ 74.700053][ T4513] [ 74.700053][ T4513] -> #1 (&base->lock){-.-.}-{2:2}: [ 74.707418][ T4513] _raw_spin_lock_irqsave+0xb0/0x100 [ 74.713211][ T4513] lock_timer_base+0x123/0x270 [ 74.718472][ T4513] __mod_timer+0xfe/0xd00 [ 74.723390][ T4513] queue_delayed_work_on+0x12d/0x1f0 [ 74.729449][ T4513] kvfree_call_rcu+0x4bc/0x7d0 [ 74.734723][ T4513] rtnl_register_internal+0x489/0x590 [ 74.740950][ T4513] rtnl_register+0x2e/0x70 [ 74.746060][ T4513] ip_rt_init+0x2e0/0x3a0 [ 74.750884][ T4513] ip_init+0xa/0x20 [ 74.755372][ T4513] inet_init+0x28b/0x3a0 [ 74.760122][ T4513] do_one_initcall+0x272/0x730 [ 74.765823][ T4513] do_initcall_level+0x137/0x1f0 [ 74.771285][ T4513] do_initcalls+0x4b/0x90 [ 74.776124][ T4513] kernel_init_freeable+0x3e9/0x570 [ 74.781832][ T4513] kernel_init+0x19/0x1b0 [ 74.786687][ T4513] ret_from_fork+0x1f/0x30 [ 74.791909][ T4513] [ 74.791909][ T4513] -> #0 (krc.lock){..-.}-{2:2}: [ 74.799119][ T4513] __lock_acquire+0x2c42/0x7d10 [ 74.804907][ T4513] lock_acquire+0x19e/0x400 [ 74.810168][ T4513] _raw_spin_lock+0x2a/0x40 [ 74.815174][ T4513] kvfree_call_rcu+0x18d/0x7d0 [ 74.820448][ T4513] trie_delete_elem+0x58c/0x710 [ 74.825929][ T4513] bpf_prog_2c29ac5cdc6b1842+0x3a/0xe54 [ 74.831988][ T4513] bpf_trace_run3+0x19e/0x350 [ 74.837358][ T4513] enqueue_timer+0x394/0x520 [ 74.842441][ T4513] __mod_timer+0x911/0xd00 [ 74.847556][ T4513] queue_delayed_work_on+0x12d/0x1f0 [ 74.853536][ T4513] __se_sys_inotify_rm_watch+0x155/0x200 [ 74.859845][ T4513] do_syscall_64+0x4c/0xa0 [ 74.864852][ T4513] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.871454][ T4513] [ 74.871454][ T4513] other info that might help us debug this: [ 74.871454][ T4513] [ 74.881662][ T4513] Chain exists of: [ 74.881662][ T4513] krc.lock --> &base->lock --> &trie->lock [ 74.881662][ T4513] [ 74.893379][ T4513] Possible unsafe locking scenario: [ 74.893379][ T4513] [ 74.901567][ T4513] CPU0 CPU1 [ 74.907098][ T4513] ---- ---- [ 74.912755][ T4513] lock(&trie->lock); [ 74.916816][ T4513] lock(&base->lock); [ 74.923391][ T4513] lock(&trie->lock); [ 74.930086][ T4513] lock(krc.lock); [ 74.933885][ T4513] [ 74.933885][ T4513] *** DEADLOCK *** [ 74.933885][ T4513] [ 74.942634][ T4513] 3 locks held by udevd/4513: [ 74.947321][ T4513] #0: ffff8880b90280d8 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x123/0x270 [ 74.956595][ T4513] #1: ffffffff8c31eaa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 [ 74.965878][ T4513] #2: ffff888022d17a38 (&trie->lock){..-.}-{2:2}, at: trie_delete_elem+0x90/0x710 [ 74.975320][ T4513] [ 74.975320][ T4513] stack backtrace: [ 74.981295][ T4513] CPU: 0 PID: 4513 Comm: udevd Not tainted syzkaller #0 [ 74.988331][ T4513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 74.998366][ T4513] Call Trace: [ 75.001625][ T4513] [ 75.004668][ T4513] dump_stack_lvl+0x188/0x250 [ 75.009339][ T4513] ? load_image+0x400/0x400 [ 75.013920][ T4513] ? show_regs_print_info+0x20/0x20 [ 75.019356][ T4513] ? print_circular_bug+0x12b/0x1a0 [ 75.024825][ T4513] check_noncircular+0x296/0x330 [ 75.029783][ T4513] ? add_chain_block+0x940/0x940 [ 75.034916][ T4513] ? lockdep_lock+0x15c/0x1f0 [ 75.039734][ T4513] ? mark_lock+0x94/0x320 [ 75.044277][ T4513] __lock_acquire+0x2c42/0x7d10 [ 75.049660][ T4513] ? __lock_acquire+0x13bc/0x7d10 [ 75.054693][ T4513] ? verify_lock_unused+0x140/0x140 [ 75.059889][ T4513] lock_acquire+0x19e/0x400 [ 75.064616][ T4513] ? kvfree_call_rcu+0x18d/0x7d0 [ 75.069550][ T4513] ? read_lock_is_recursive+0x10/0x10 [ 75.075101][ T4513] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 75.081100][ T4513] ? _raw_spin_unlock+0x40/0x40 [ 75.086243][ T4513] ? debug_object_active_state+0x6a/0x380 [ 75.092306][ T4513] _raw_spin_lock+0x2a/0x40 [ 75.097330][ T4513] ? kvfree_call_rcu+0x18d/0x7d0 [ 75.102567][ T4513] kvfree_call_rcu+0x18d/0x7d0 [ 75.107348][ T4513] ? call_rcu+0x950/0x950 [ 75.111696][ T4513] ? _raw_spin_lock_irqsave+0xbc/0x100 [ 75.117586][ T4513] ? _raw_spin_lock+0x40/0x40 [ 75.122260][ T4513] ? longest_prefix_match+0x350/0x660 [ 75.127876][ T4513] trie_delete_elem+0x58c/0x710 [ 75.132968][ T4513] bpf_prog_2c29ac5cdc6b1842+0x3a/0xe54 [ 75.138730][ T4513] bpf_trace_run3+0x19e/0x350 [ 75.143809][ T4513] ? do_raw_spin_unlock+0x11d/0x230 [ 75.149026][ T4513] ? bpf_trace_run2+0x2e0/0x2e0 [ 75.154122][ T4513] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 75.160273][ T4513] ? _raw_spin_lock_irqsave+0xbc/0x100 [ 75.165852][ T4513] ? _raw_spin_lock+0x40/0x40 [ 75.171176][ T4513] enqueue_timer+0x394/0x520 [ 75.176030][ T4513] __mod_timer+0x911/0xd00 [ 75.180726][ T4513] ? queue_delayed_work_on+0xcf/0x1f0 [ 75.186232][ T4513] queue_delayed_work_on+0x12d/0x1f0 [ 75.191516][ T4513] ? delayed_work_timer_fn+0x80/0x80 [ 75.196799][ T4513] ? do_raw_spin_unlock+0x11d/0x230 [ 75.202165][ T4513] ? _raw_spin_unlock+0x24/0x40 [ 75.207196][ T4513] __se_sys_inotify_rm_watch+0x155/0x200 [ 75.212929][ T4513] do_syscall_64+0x4c/0xa0 [ 75.217783][ T4513] ? clear_bhb_loop+0x30/0x80 [ 75.222447][ T4513] ? clear_bhb_loop+0x30/0x80 [ 75.227550][ T4513] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 75.233459][ T4513] RIP: 0033:0x7f7a148bca07 [ 75.238306][ T4513] Code: 73 01 c3 48 8b 0d f1 f3 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 ff 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 f3 0c 00 f7 d8 64 89 01 48 [ 75.258100][ T4513] RSP: 002b:00007fff72619398 EFLAGS: 00000246 ORIG_RAX: 00000000000000ff [ 75.266865][ T4513] RAX: ffffffffffffffda RBX: 000055bf2315cf10 RCX: 00007f7a148bca07 [ 75.275463][ T4513] RDX: 0000000000000007 RSI: 0000000000000043 RDI: 0000000000000007 [ 75.284011][ T4513] RBP: 0000000000000043 R08: 00000000000001e0 R09: 0000000000000000 [ 75.292528][ T4513] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff726193a0 [ 75.301619][ T4513] R13: 0000000003938700 R14: 000055bf075c1100 R15: 000055bf075c1140 [ 75.309690][ T4513]