Warning: Permanently added '10.128.0.147' (ED25519) to the list of known hosts. 1970/01/01 00:00:33 parsed 1 programs [ 34.160759][ T4324] cgroup: Unknown subsys name 'net' [ 34.457550][ T4324] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 34.730845][ T4324] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 38.450676][ T4334] chnl_net:caif_netlink_parms(): no params data found [ 38.468477][ T4334] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.469659][ T4334] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.471117][ T4334] device bridge_slave_0 entered promiscuous mode [ 38.473572][ T4334] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.474734][ T4334] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.476662][ T4334] device bridge_slave_1 entered promiscuous mode [ 38.483987][ T4334] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.486565][ T4334] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.493350][ T4334] team0: Port device team_slave_0 added [ 38.495909][ T4334] team0: Port device team_slave_1 added [ 38.501866][ T4334] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.502941][ T4334] 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. [ 38.506959][ T4334] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.509303][ T4334] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.510425][ T4334] 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. [ 38.514322][ T4334] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.576044][ T4334] device hsr_slave_0 entered promiscuous mode [ 38.615074][ T4334] device hsr_slave_1 entered promiscuous mode [ 38.687628][ T4334] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 38.736388][ T4334] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 38.786684][ T4334] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 38.826291][ T4334] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 38.874210][ T4334] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.875360][ T4334] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.876693][ T4334] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.877756][ T4334] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.894569][ T4334] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.898865][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.901343][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.903244][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.905065][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 38.909368][ T4334] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.912479][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.914006][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.915482][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.925541][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.927092][ T268] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.928202][ T268] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.929813][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 38.931330][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 38.932799][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.934241][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.938127][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 38.940811][ T4334] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 38.990714][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 38.991999][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 38.995416][ T4334] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.001297][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.008013][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.009640][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.011034][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.013085][ T4334] device veth0_vlan entered promiscuous mode [ 39.018399][ T4334] device veth1_vlan entered promiscuous mode [ 39.024570][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.026538][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.028116][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.030524][ T4334] device veth0_macvtap entered promiscuous mode [ 39.032836][ T4334] device veth1_macvtap entered promiscuous mode [ 39.039363][ T4334] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.040582][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.042638][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.045806][ T4334] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.047337][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.049733][ T4334] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.051057][ T4334] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.052348][ T4334] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.053572][ T4334] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.456857][ T249] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.695130][ T4373] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.696748][ T4375] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.698135][ T4375] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.699574][ T4375] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.701002][ T4375] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.702212][ T4375] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.123979][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.125836][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.128615][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 40.135470][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.136732][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.138520][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:40 executed programs: 0 [ 40.737481][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.738989][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.740465][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.742094][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.743528][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.744831][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.791721][ T4421] chnl_net:caif_netlink_parms(): no params data found [ 40.809555][ T4421] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.810752][ T4421] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.812175][ T4421] device bridge_slave_0 entered promiscuous mode [ 40.814371][ T4421] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.815820][ T4421] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.817369][ T4421] device bridge_slave_1 entered promiscuous mode [ 40.826701][ T4421] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.829330][ T4421] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.836854][ T4421] team0: Port device team_slave_0 added [ 40.838900][ T4421] team0: Port device team_slave_1 added [ 40.845264][ T4421] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.846351][ T4421] 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. [ 40.850189][ T4421] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.852667][ T4421] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.853746][ T4421] 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. [ 40.857825][ T4421] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.926008][ T4421] device hsr_slave_0 entered promiscuous mode [ 40.975113][ T4421] device hsr_slave_1 entered promiscuous mode [ 41.014935][ T4421] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.016143][ T4421] Cannot create hsr debugfs directory [ 42.326018][ T249] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.805127][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 44.666041][ T249] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.766866][ T249] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.875320][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 45.767121][ T4421] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.886674][ T4421] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.937597][ T4421] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.978349][ T249] device hsr_slave_0 left promiscuous mode [ 46.015004][ T249] device hsr_slave_1 left promiscuous mode [ 46.104958][ T249] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 46.106107][ T249] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 46.107637][ T249] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 46.108671][ T249] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 46.109954][ T249] device bridge_slave_1 left promiscuous mode [ 46.111438][ T249] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.145614][ T249] device bridge_slave_0 left promiscuous mode [ 46.146568][ T249] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.305137][ T249] device veth1_macvtap left promiscuous mode [ 46.306136][ T249] device veth0_macvtap left promiscuous mode [ 46.307071][ T249] device veth1_vlan left promiscuous mode [ 46.308023][ T249] device veth0_vlan left promiscuous mode [ 46.964894][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 48.106043][ T249] team0 (unregistering): Port device team_slave_1 removed [ 48.316340][ T249] team0 (unregistering): Port device team_slave_0 removed [ 48.505362][ T249] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 48.715376][ T249] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 49.044932][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 51.178116][ T249] bond0 (unregistering): Released all slaves [ 51.376603][ T4421] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 51.448136][ T4421] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.452970][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.454464][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.457964][ T4421] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.460221][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.462100][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.463566][ T4428] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.464564][ T4428] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.466161][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.468727][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.470118][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.471564][ T4428] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.472669][ T4428] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.476833][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 51.479665][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 51.482322][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 51.485894][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.487575][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.490114][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 51.491689][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.494621][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.497143][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.500932][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.502455][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.504534][ T4421] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.556796][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.558088][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.561281][ T4421] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.568226][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.569739][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.575463][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.576911][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.578739][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.580136][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.582349][ T4421] device veth0_vlan entered promiscuous mode [ 51.586776][ T4421] device veth1_vlan entered promiscuous mode [ 51.593778][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.595881][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.597439][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.598830][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.600972][ T4421] device veth0_macvtap entered promiscuous mode [ 51.603180][ T4421] device veth1_macvtap entered promiscuous mode [ 51.610342][ T4421] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.611588][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.613100][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.614532][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.616626][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.619526][ T4421] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.620780][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.622275][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.624683][ T4421] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.626397][ T4421] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.627679][ T4421] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.628975][ T4421] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.653257][ T268] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.654566][ T268] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.659761][ T4504] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 51.662746][ T268] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.664164][ T268] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.666619][ T268] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 51.713625][ T4516] bridge0: port 3(hsr0) entered blocking state [ 51.714744][ T4516] bridge0: port 3(hsr0) entered disabled state [ 51.717569][ T4516] device hsr0 entered promiscuous mode [ 51.718728][ T4516] bridge0: port 3(hsr0) entered blocking state [ 51.719688][ T4516] bridge0: port 3(hsr0) entered forwarding state [ 51.766484][ T4516] device bridge0 entered promiscuous mode [ 51.805522][ T4516] device bond0 entered promiscuous mode [ 51.806462][ T4516] device bond_slave_0 entered promiscuous mode [ 51.807522][ T4516] device bond_slave_1 entered promiscuous mode [ 51.846100][ T4504] IPv6: ADDRCONF(NETDEV_CHANGE): hsr1: link becomes ready [ 51.955032][ C1] [ 51.955445][ C1] ============================================ [ 51.956332][ C1] WARNING: possible recursive locking detected [ 51.957215][ C1] syzkaller #0 Not tainted [ 51.957872][ C1] -------------------------------------------- [ 51.958717][ C1] swapper/1/0 is trying to acquire lock: [ 51.959513][ C1] ffff0000f03e0d88 (&hsr->seqnr_lock){+.-.}-{2:2}, at: hsr_dev_xmit+0x188/0x3ac [ 51.960842][ C1] [ 51.960842][ C1] but task is already holding lock: [ 51.961834][ C1] ffff0000c39b6d88 (&hsr->seqnr_lock){+.-.}-{2:2}, at: send_hsr_supervision_frame+0x238/0x8d8 [ 51.963276][ C1] [ 51.963276][ C1] other info that might help us debug this: [ 51.964395][ C1] Possible unsafe locking scenario: [ 51.964395][ C1] [ 51.965427][ C1] CPU0 [ 51.965903][ C1] ---- [ 51.966392][ C1] lock(&hsr->seqnr_lock); [ 51.967056][ C1] lock(&hsr->seqnr_lock); [ 51.967728][ C1] [ 51.967728][ C1] *** DEADLOCK *** [ 51.967728][ C1] [ 51.968901][ C1] May be due to missing lock nesting notation [ 51.968901][ C1] [ 51.970043][ C1] 8 locks held by swapper/1/0: [ 51.970712][ C1] #0: ffff800008017c40 ((&hsr->announce_timer)){+.-.}-{0:0}, at: call_timer_fn+0xd0/0x964 [ 51.972105][ C1] #1: ffff800015227400 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c [ 51.973439][ C1] #2: ffff0000c39b6d88 (&hsr->seqnr_lock){+.-.}-{2:2}, at: send_hsr_supervision_frame+0x238/0x8d8 [ 51.974936][ C1] #3: ffff800015227400 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c [ 51.976310][ C1] #4: ffff800015227460 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 [ 51.977732][ C1] #5: ffff800015227400 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c [ 51.979194][ C1] #6: ffff800015227460 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 [ 51.980557][ C1] #7: ffff800015227400 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c [ 51.981922][ C1] [ 51.981922][ C1] stack backtrace: [ 51.982859][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 [ 51.984021][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.985531][ C1] Call trace: [ 51.986056][ C1] dump_backtrace+0x1c8/0x1f4 [ 51.986821][ C1] show_stack+0x2c/0x3c [ 51.987540][ C1] __dump_stack+0x30/0x40 [ 51.988212][ C1] dump_stack_lvl+0xf8/0x160 [ 51.988893][ C1] dump_stack+0x1c/0x5c [ 51.989486][ C1] __lock_acquire+0x18b4/0x6544 [ 51.990238][ C1] lock_acquire+0x20c/0x644 [ 51.990895][ C1] _raw_spin_lock_bh+0x54/0x6c [ 51.991598][ C1] hsr_dev_xmit+0x188/0x3ac [ 51.992245][ C1] dev_hard_start_xmit+0x244/0x8e0 [ 51.992984][ C1] __dev_queue_xmit+0x155c/0x309c [ 51.993766][ C1] br_dev_queue_push_xmit+0x558/0x704 [ 51.994575][ C1] NF_HOOK+0x2c0/0x354 [ 51.995244][ C1] br_forward_finish+0xd0/0x118 [ 51.996006][ C1] NF_HOOK+0x2c0/0x354 [ 51.996650][ C1] __br_forward+0x2dc/0x444 [ 51.997282][ C1] maybe_deliver+0xc8/0x178 [ 51.997887][ C1] br_flood+0x28c/0x3f8 [ 51.998497][ C1] br_dev_xmit+0xcc8/0x12bc [ 51.999144][ C1] dev_hard_start_xmit+0x244/0x8e0 [ 51.999852][ C1] __dev_queue_xmit+0x155c/0x309c [ 52.000563][ C1] hsr_forward_skb+0xef8/0x1aac [ 52.001249][ C1] send_hsr_supervision_frame+0x440/0x8d8 [ 52.002053][ C1] hsr_announce+0x160/0x2e4 [ 52.002690][ C1] call_timer_fn+0x1b8/0x964 [ 52.003359][ C1] __run_timers+0x468/0x6d8 [ 52.003993][ C1] run_timer_softirq+0x7c/0x114 [ 52.004673][ C1] handle_softirqs+0x318/0xc6c [ 52.005362][ C1] __do_softirq+0x14/0x20 [ 52.005957][ C1] ____do_softirq+0x14/0x20 [ 52.006715][ C1] call_on_irq_stack+0x30/0x48 [ 52.007477][ C1] do_softirq_own_stack+0x20/0x2c [ 52.008255][ C1] __irq_exit_rcu+0x23c/0x43c [ 52.008935][ C1] irq_exit_rcu+0x14/0x84 [ 52.009568][ C1] el1_interrupt+0x38/0x54 [ 52.010216][ C1] el1h_64_irq_handler+0x18/0x24 [ 52.010940][ C1] el1h_64_irq+0x64/0x68 [ 52.011554][ C1] arch_local_irq_enable+0xc/0x18 [ 52.012275][ C1] default_idle_call+0x68/0xdc [ 52.012970][ C1] do_idle+0x1d8/0x4bc [ 52.013553][ C1] cpu_startup_entry+0x5c/0x74 [ 52.014272][ C1] secondary_start_kernel+0x198/0x1c0 [ 52.015048][ C1] __secondary_switched+0xb0/0xb4