[ 35.962729][ T605] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.251030][ T605] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.300895][ T605] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.351720][ T605] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.511446][ T605] device hsr_slave_0 left promiscuous mode [ 39.548220][ T605] device hsr_slave_1 left promiscuous mode [ 39.638250][ T605] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 39.639553][ T605] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 39.641448][ T605] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 39.642704][ T605] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 39.644183][ T605] device bridge_slave_1 left promiscuous mode [ 39.645427][ T605] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.689341][ T605] device bridge_slave_0 left promiscuous mode [ 39.690438][ T605] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.828261][ T605] device veth1_macvtap left promiscuous mode [ 39.829342][ T605] device veth0_macvtap left promiscuous mode [ 39.830310][ T605] device veth1_vlan left promiscuous mode [ 39.831340][ T605] device veth0_vlan left promiscuous mode [ 39.920987][ T605] team0 (unregistering): Port device team_slave_1 removed [ 39.925354][ T605] team0 (unregistering): Port device team_slave_0 removed [ 39.930557][ T605] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 39.971540][ T605] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 40.073221][ T605] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.1.189' (ED25519) to the list of known hosts. 1970/01/01 00:00:40 ignoring optional flag "type"="gce" 1970/01/01 00:00:40 parsed 1 programs 1970/01/01 00:00:40 executed programs: 0 [ 40.518008][ T4254] chnl_net:caif_netlink_parms(): no params data found [ 40.535957][ T4254] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.537215][ T4254] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.538925][ T4254] device bridge_slave_0 entered promiscuous mode [ 40.541179][ T4254] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.542387][ T4254] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.543830][ T4254] device bridge_slave_1 entered promiscuous mode [ 40.551503][ T4254] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.553886][ T4254] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.561213][ T4254] team0: Port device team_slave_0 added [ 40.562947][ T4254] team0: Port device team_slave_1 added [ 40.569360][ T4254] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.570467][ T4254] 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. [ 40.574457][ T4254] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.576682][ T4254] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.577898][ T4254] 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. [ 40.583059][ T4254] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.640939][ T4254] device hsr_slave_0 entered promiscuous mode [ 40.678258][ T4254] device hsr_slave_1 entered promiscuous mode [ 41.305424][ T4254] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.349406][ T4254] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.389283][ T4254] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.419873][ T4254] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 41.473972][ T4254] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.477503][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.479259][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.482884][ T4254] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.485619][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.487697][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.489756][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.490906][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.492524][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 41.496987][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.499283][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.500874][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.501950][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.503281][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 41.512219][ T4254] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 41.513853][ T4254] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 41.517979][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 41.519771][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 41.521347][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.522983][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.524610][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.526243][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 41.527757][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.532120][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 41.533617][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.535685][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.537269][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.588710][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.590101][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.592757][ T4254] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.599758][ T605] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 41.601380][ T605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.607550][ T4254] device veth0_vlan entered promiscuous mode [ 41.610031][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 41.611706][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.613670][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.615164][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.620110][ T4254] device veth1_vlan entered promiscuous mode [ 41.627426][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 41.629688][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 41.631179][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 41.632699][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.635250][ T4254] device veth0_macvtap entered promiscuous mode [ 41.637574][ T4254] device veth1_macvtap entered promiscuous mode [ 41.646802][ T4254] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.648247][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 41.649729][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 41.651378][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 41.652946][ T397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.656106][ T4254] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.657392][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.659806][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.662877][ T4254] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.664295][ T4254] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.665686][ T4254] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.667145][ T4254] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.498588][ T21] Bluetooth: hci0: command 0x0409 tx timeout [ 44.568159][ T3623] Bluetooth: hci0: command 0x041b tx timeout [ 46.648231][ T3623] Bluetooth: hci0: command 0x040f tx timeout [ 48.728057][ T7] Bluetooth: hci0: command 0x0419 tx timeout [ 69.609598][ T2063] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.610638][ T2063] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.615113][ T3336] cfg80211: failed to load regulatory.db [ 131.048672][ T2063] ieee802154 phy0 wpan0: encryption failed: -22 [ 131.049660][ T2063] ieee802154 phy1 wpan1: encryption failed: -22 [ 163.848045][ T7] Bluetooth: hci0: command 0x0406 tx timeout [ 192.499230][ T2063] ieee802154 phy0 wpan0: encryption failed: -22 [ 192.500270][ T2063] ieee802154 phy1 wpan1: encryption failed: -22 [ 195.048100][ T27] INFO: task syz-executor.0:4254 blocked for more than 143 seconds. [ 195.049516][ T27] Not tainted syzkaller #0 [ 195.050252][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 195.051579][ T27] task:syz-executor.0 state:D stack: 0 pid: 4254 ppid: 1 flags:0x00000005 [ 195.053095][ T27] Call trace: [ 195.053638][ T27] __switch_to+0x2f4/0x540 [ 195.054420][ T27] __schedule+0xe20/0x1c6c [ 195.055169][ T27] schedule+0x11c/0x1c8 [ 195.055831][ T27] schedule_preempt_disabled+0x18/0x2c [ 195.056627][ T27] __mutex_lock_common+0xae0/0x1ea4 [ 195.057448][ T27] mutex_lock_nested+0xac/0x11c [ 195.058928][ T27] fuse_lock_inode+0xd4/0x11c [ 195.059682][ T27] fuse_lookup+0xe0/0x4cc [ 195.060412][ T27] __lookup_slow+0x25c/0x39c [ 195.061153][ T27] lookup_slow+0x60/0x84 [ 195.061885][ T27] walk_component+0x2b8/0x3b8 [ 195.062738][ T27] link_path_walk+0x5a0/0xbd4 [ 195.063525][ T27] path_openat+0x1c0/0x2808 [ 195.064286][ T27] do_filp_open+0x188/0x370 [ 195.065098][ T27] do_sys_openat2+0x134/0x3fc [ 195.065866][ T27] __arm64_sys_openat+0x11c/0x150 [ 195.066757][ T27] invoke_syscall+0x98/0x28c [ 195.067556][ T27] el0_svc_common+0x13c/0x258 [ 195.068461][ T27] do_el0_svc+0x5c/0x140 [ 195.069153][ T27] el0_svc+0x78/0x1d0 [ 195.069801][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 195.070693][ T27] el0t_64_sync+0x1a0/0x1a4 [ 195.071518][ T27] INFO: task syz-executor.0:4378 blocked for more than 143 seconds. [ 195.072763][ T27] Not tainted syzkaller #0 [ 195.073503][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 195.074800][ T27] task:syz-executor.0 state:D stack: 0 pid: 4378 ppid: 4254 flags:0x0000000d [ 195.076392][ T27] Call trace: [ 195.076937][ T27] __switch_to+0x2f4/0x540 [ 195.077604][ T27] __schedule+0xe20/0x1c6c [ 195.079050][ T27] schedule+0x11c/0x1c8 [ 195.079686][ T27] fuse_simple_request+0xe74/0x1730 [ 195.080491][ T27] fuse_lookup_name+0x204/0x65c [ 195.081229][ T27] fuse_lookup+0x130/0x4cc [ 195.081923][ T27] __lookup_slow+0x25c/0x39c [ 195.082689][ T27] lookup_slow+0x60/0x84 [ 195.083441][ T27] walk_component+0x2b8/0x3b8 [ 195.084170][ T27] link_path_walk+0x5a0/0xbd4 [ 195.084874][ T27] path_openat+0x1c0/0x2808 [ 195.085527][ T27] do_filp_open+0x188/0x370 [ 195.086237][ T27] do_sys_openat2+0x134/0x3fc [ 195.086955][ T27] __arm64_sys_openat+0x11c/0x150 [ 195.087716][ T27] invoke_syscall+0x98/0x28c [ 195.088496][ T27] el0_svc_common+0x13c/0x258 [ 195.089221][ T27] do_el0_svc+0x5c/0x140 [ 195.089910][ T27] el0_svc+0x78/0x1d0 [ 195.090614][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 195.091387][ T27] el0t_64_sync+0x1a0/0x1a4 [ 195.092140][ T27] [ 195.092140][ T27] Showing all locks held in the system: [ 195.093324][ T27] 1 lock held by khungtaskd/27: [ 195.094093][ T27] #0: ffff800014561460 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 195.095599][ T27] 2 locks held by getty/3802: [ 195.096358][ T27] #0: ffff0000d4e25098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 195.098698][ T27] #1: ffff80001bffe2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2ec/0xf90 [ 195.100423][ T27] 2 locks held by syz-executor.0/4254: [ 195.101269][ T27] #0: ffff0000e2500150 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x50/0x84 [ 195.103012][ T27] #1: ffff0000e25005b8 (&fi->mutex){+.+.}-{3:3}, at: fuse_lock_inode+0xd4/0x11c [ 195.104545][ T27] 2 locks held by syz-executor.0/4378: [ 195.105436][ T27] #0: ffff0000e2500150 (&type->i_mutex_dir_key#8){++++}-{3:3}, at: lookup_slow+0x50/0x84 [ 195.107044][ T27] #1: ffff0000e25005b8 (&fi->mutex){+.+.}-{3:3}, at: fuse_lock_inode+0xd4/0x11c [ 195.108747][ T27] [ 195.109090][ T27] ============================================= [ 195.109090][ T27] [ 195.110430][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 195.111514][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 195.112583][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 195.114265][ T27] Call trace: [ 195.114756][ T27] dump_backtrace+0x0/0x458 [ 195.115459][ T27] show_stack+0x2c/0x3c [ 195.116048][ T27] __dump_stack+0x30/0x40 [ 195.116710][ T27] dump_stack_lvl+0xf4/0x15c [ 195.117344][ T27] dump_stack+0x1c/0x5c [ 195.118011][ T27] panic+0x2fc/0x860 [ 195.118707][ T27] hung_task_panic+0x0/0x2c [ 195.119440][ T27] kthread+0x37c/0x460 [ 195.120123][ T27] ret_from_fork+0x10/0x20 [ 195.120833][ T27] SMP: stopping secondary CPUs [ 195.121658][ T27] Kernel Offset: disabled [ 195.122340][ T27] CPU features: 0xa,000003c1,7d33ffd9 [ 195.123190][ T27] Memory Limit: none [ 195.308615][ T27] Rebooting in 86400 seconds..