[ 70.727420][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.905942][ T136] device veth1_macvtap left promiscuous mode [ 70.906675][ T136] device veth0_macvtap left promiscuous mode [ 70.907410][ T136] device veth1_vlan left promiscuous mode [ 70.908097][ T136] device veth0_vlan left promiscuous mode [ 71.104525][ T136] team0 (unregistering): Port device team_slave_1 removed [ 71.111015][ T136] team0 (unregistering): Port device team_slave_0 removed [ 71.119627][ T136] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 71.163851][ T136] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 71.292833][ T136] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.10.16' (ED25519) to the list of known hosts. 1970/01/01 00:01:21 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:01:21 ignoring optional flag "type"="gce" 1970/01/01 00:01:22 parsed 1 programs [ 84.805197][ T4490] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 91.156640][ T1695] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.157870][ T1695] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 91.160016][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 91.169848][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.171110][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 91.173312][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 91.584680][ T4531] chnl_net:caif_netlink_parms(): no params data found [ 91.619844][ T4531] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.621116][ T4531] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.623018][ T4531] device bridge_slave_0 entered promiscuous mode [ 91.625648][ T4531] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.627243][ T4531] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.629024][ T4531] device bridge_slave_1 entered promiscuous mode [ 91.641759][ T4531] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 91.644822][ T4531] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 91.698127][ T4531] team0: Port device team_slave_0 added [ 91.700485][ T4531] team0: Port device team_slave_1 added [ 91.714108][ T4531] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 91.715096][ T4531] 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. [ 91.719650][ T4531] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 91.722718][ T4531] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 91.723868][ T4531] 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. [ 91.729396][ T4531] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 91.797660][ T4531] device hsr_slave_0 entered promiscuous mode [ 91.836188][ T4531] device hsr_slave_1 entered promiscuous mode [ 92.561313][ T4531] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 92.587552][ T4531] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 92.619691][ T4531] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 92.667675][ T4531] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 92.775406][ T4531] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.781093][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 92.782723][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 92.787052][ T4531] 8021q: adding VLAN 0 to HW filter on device team0 [ 92.791251][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 92.793012][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 92.795187][ T422] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.796287][ T422] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.806405][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 92.813686][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 92.817628][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 92.819206][ T422] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.820414][ T422] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.821992][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 92.833780][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 92.838613][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 92.841020][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 92.842803][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 92.844736][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 92.848071][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 92.849889][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 92.855045][ T4531] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 92.859432][ T4531] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 92.861754][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 92.863692][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 92.865454][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 92.996607][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 92.997806][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 93.003123][ T4531] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 93.016495][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 93.018164][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 93.030343][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 93.032054][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 93.036981][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 93.038684][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 93.041201][ T4531] device veth0_vlan entered promiscuous mode [ 93.045851][ T4531] device veth1_vlan entered promiscuous mode [ 93.057920][ T4531] device veth0_macvtap entered promiscuous mode [ 93.059715][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 93.061327][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 93.063009][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 93.064833][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 93.068008][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 93.072416][ T4531] device veth1_macvtap entered promiscuous mode [ 93.096153][ T4531] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 93.097413][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 93.098969][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 93.100594][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 93.104880][ T4531] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 93.108354][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 93.110179][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 93.114575][ T4531] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.115900][ T4531] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.117079][ T4531] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.119088][ T4531] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:33 executed programs: 0 [ 93.908751][ T4670] chnl_net:caif_netlink_parms(): no params data found [ 93.948259][ T4670] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.949541][ T4670] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.951369][ T4670] device bridge_slave_0 entered promiscuous mode [ 93.954100][ T4670] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.955334][ T4670] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.957778][ T4670] device bridge_slave_1 entered promiscuous mode [ 93.979114][ T4670] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 93.982368][ T4670] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 94.001460][ T4670] team0: Port device team_slave_0 added [ 94.004055][ T4670] team0: Port device team_slave_1 added [ 94.019012][ T4670] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 94.020172][ T4670] 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. [ 94.023896][ T4670] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 94.026845][ T4670] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 94.027915][ T4670] 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. [ 94.031584][ T4670] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 94.087827][ T4670] device hsr_slave_0 entered promiscuous mode [ 94.136646][ T4670] device hsr_slave_1 entered promiscuous mode [ 94.185910][ T4670] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 94.187039][ T4670] Cannot create hsr debugfs directory [ 94.310191][ T4670] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 95.876198][ T4206] Bluetooth: hci0: command 0x0409 tx timeout [ 96.833006][ T4670] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.955921][ T25] Bluetooth: hci0: command 0x041b tx timeout [ 98.363186][ T4670] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.412705][ T4670] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.553098][ T4670] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 98.578360][ T4670] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 98.617834][ T4670] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 98.683412][ T4670] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 98.793518][ T4670] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.799784][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 98.801515][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 98.805064][ T4670] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.809860][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 98.811666][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 98.813279][ T422] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.814427][ T422] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.820644][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 98.822344][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 98.824286][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 98.826359][ T422] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.827534][ T422] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.831039][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 98.834908][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 98.842804][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 98.845237][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 98.848274][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 98.870679][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 98.872431][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 98.877848][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 98.879630][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 98.883406][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 98.885048][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 98.891126][ T4670] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 98.970610][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 98.971944][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 98.978050][ T4670] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.989826][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 98.991526][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 99.001992][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 99.003710][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 99.005605][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 99.008093][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 99.011541][ T4670] device veth0_vlan entered promiscuous mode [ 99.017985][ T4670] device veth1_vlan entered promiscuous mode [ 99.031545][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 99.033753][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 99.035299][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 99.037604][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 99.041059][ T4670] device veth0_macvtap entered promiscuous mode [ 99.044704][ T4670] device veth1_macvtap entered promiscuous mode [ 99.053665][ T4670] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 99.055188][ T4670] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 99.059200][ T4670] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 99.060527][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 99.062203][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 99.063884][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 99.065610][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 99.070463][ T4670] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 99.071943][ T4670] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 99.074234][ T4670] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 99.075407][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 99.080180][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 99.083854][ T4670] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.085423][ T4670] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.088789][ T4670] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.090218][ T4670] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.145255][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 99.149904][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 99.170825][ T1695] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 99.183833][ T1695] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 99.185109][ T1695] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 99.187570][ T422] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:39 executed programs: 2 [ 99.231889][ T4924] [ 99.232271][ T4924] ====================================================== [ 99.233229][ T4924] WARNING: possible circular locking dependency detected [ 99.234278][ T4924] 5.15.189-syzkaller #0 Not tainted [ 99.235066][ T4924] ------------------------------------------------------ [ 99.236054][ T4924] syz.0.15/4924 is trying to acquire lock: [ 99.236950][ T4924] ffff0000d8be1f90 ((work_completion)(&new_smc->smc_listen_work)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 99.238716][ T4924] [ 99.238716][ T4924] but task is already holding lock: [ 99.239871][ T4924] ffff0000d8be0120 (sk_lock-AF_SMC/1){+.+.}-{0:0}, at: smc_release+0x1f4/0x568 [ 99.241418][ T4924] [ 99.241418][ T4924] which lock already depends on the new lock. [ 99.241418][ T4924] [ 99.243124][ T4924] [ 99.243124][ T4924] the existing dependency chain (in reverse order) is: [ 99.244498][ T4924] [ 99.244498][ T4924] -> #1 (sk_lock-AF_SMC/1){+.+.}-{0:0}: [ 99.245798][ T4924] lock_sock_nested+0xd8/0x1d4 [ 99.246654][ T4924] smc_listen_out+0x11c/0x3e8 [ 99.247349][ T4924] smc_listen_work+0x400/0xd2c [ 99.248081][ T4924] process_one_work+0x79c/0x1140 [ 99.248937][ T4924] worker_thread+0x8f4/0x101c [ 99.249803][ T4924] kthread+0x374/0x454 [ 99.250520][ T4924] ret_from_fork+0x10/0x20 [ 99.251307][ T4924] [ 99.251307][ T4924] -> #0 ((work_completion)(&new_smc->smc_listen_work)){+.+.}-{0:0}: [ 99.252896][ T4924] __lock_acquire+0x2928/0x651c [ 99.253760][ T4924] lock_acquire+0x1f4/0x620 [ 99.254513][ T4924] __flush_work+0xf4/0x1bc [ 99.255257][ T4924] __cancel_work_timer+0x2ec/0x448 [ 99.256163][ T4924] cancel_work_sync+0x24/0x38 [ 99.257056][ T4924] smc_clcsock_release+0x64/0xe8 [ 99.257983][ T4924] __smc_release+0x3bc/0x530 [ 99.258794][ T4924] smc_close_non_accepted+0xdc/0x298 [ 99.259788][ T4924] smc_close_active+0x890/0xc20 [ 99.260607][ T4924] __smc_release+0x2dc/0x530 [ 99.261469][ T4924] smc_release+0x264/0x568 [ 99.262252][ T4924] sock_close+0xb4/0x1f8 [ 99.262959][ T4924] __fput+0x1c0/0x7f8 [ 99.263676][ T4924] ____fput+0x20/0x30 [ 99.264440][ T4924] task_work_run+0x12c/0x1e0 [ 99.265257][ T4924] do_notify_resume+0x24b4/0x3128 [ 99.266016][ T4924] el0_svc+0xf0/0x1e0 [ 99.266670][ T4924] el0t_64_sync_handler+0xcc/0xe4 [ 99.267574][ T4924] el0t_64_sync+0x1a0/0x1a4 [ 99.268362][ T4924] [ 99.268362][ T4924] other info that might help us debug this: [ 99.268362][ T4924] [ 99.269972][ T4924] Possible unsafe locking scenario: [ 99.269972][ T4924] [ 99.271092][ T4924] CPU0 CPU1 [ 99.271874][ T4924] ---- ---- [ 99.272739][ T4924] lock(sk_lock-AF_SMC/1); [ 99.273467][ T4924] lock((work_completion)(&new_smc->smc_listen_work)); [ 99.274886][ T4924] lock(sk_lock-AF_SMC/1); [ 99.276026][ T4924] lock((work_completion)(&new_smc->smc_listen_work)); [ 99.277179][ T4924] [ 99.277179][ T4924] *** DEADLOCK *** [ 99.277179][ T4924] [ 99.278653][ T4924] 2 locks held by syz.0.15/4924: [ 99.279445][ T4924] #0: ffff0000e2f18e10 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: sock_close+0x7c/0x1f8 [ 99.281053][ T4924] #1: ffff0000d8be0120 (sk_lock-AF_SMC/1){+.+.}-{0:0}, at: smc_release+0x1f4/0x568 [ 99.282734][ T4924] [ 99.282734][ T4924] stack backtrace: [ 99.283605][ T4924] CPU: 0 PID: 4924 Comm: syz.0.15 Not tainted 5.15.189-syzkaller #0 [ 99.284826][ T4924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 99.286440][ T4924] Call trace: [ 99.286946][ T4924] dump_backtrace+0x0/0x43c [ 99.287601][ T4924] show_stack+0x2c/0x3c [ 99.288317][ T4924] __dump_stack+0x30/0x40 [ 99.289089][ T4924] dump_stack_lvl+0xf8/0x160 [ 99.289827][ T4924] dump_stack+0x1c/0x5c [ 99.290491][ T4924] print_circular_bug+0x148/0x1b0 [ 99.291351][ T4924] check_noncircular+0x240/0x2d4 [ 99.292200][ T4924] __lock_acquire+0x2928/0x651c [ 99.292972][ T4924] lock_acquire+0x1f4/0x620 [ 99.293717][ T4924] __flush_work+0xf4/0x1bc [ 99.294412][ T4924] __cancel_work_timer+0x2ec/0x448 [ 99.295260][ T4924] cancel_work_sync+0x24/0x38 [ 99.296159][ T4924] smc_clcsock_release+0x64/0xe8 [ 99.296888][ T4924] __smc_release+0x3bc/0x530 [ 99.297595][ T4924] smc_close_non_accepted+0xdc/0x298 [ 99.298433][ T4924] smc_close_active+0x890/0xc20 [ 99.299193][ T4924] __smc_release+0x2dc/0x530 [ 99.299894][ T4924] smc_release+0x264/0x568 [ 99.300593][ T4924] sock_close+0xb4/0x1f8 [ 99.301215][ T4924] __fput+0x1c0/0x7f8 [ 99.301797][ T4924] ____fput+0x20/0x30 [ 99.302479][ T4924] task_work_run+0x12c/0x1e0 [ 99.303303][ T4924] do_notify_resume+0x24b4/0x3128 [ 99.304186][ T4924] el0_svc+0xf0/0x1e0 [ 99.304804][ T4924] el0t_64_sync_handler+0xcc/0xe4 [ 99.305592][ T4924] el0t_64_sync+0x1a0/0x1a4 [ 100.036169][ T4202] Bluetooth: hci0: command 0x040f tx timeout [ 100.579427][ T136] device hsr_slave_0 left promiscuous mode [ 100.625910][ T136] device hsr_slave_1 left promiscuous mode [ 100.735847][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 100.737106][ T136] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 100.738534][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 100.739703][ T136] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 100.741041][ T136] device bridge_slave_1 left promiscuous mode [ 100.742031][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.776754][ T136] device bridge_slave_0 left promiscuous mode [ 100.777730][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.895883][ T136] device veth1_macvtap left promiscuous mode [ 100.896802][ T136] device veth0_macvtap left promiscuous mode [ 100.897853][ T136] device veth1_vlan left promiscuous mode [ 100.898860][ T136] device veth0_vlan left promiscuous mode [ 101.063789][ T136] team0 (unregistering): Port device team_slave_1 removed [ 101.069797][ T136] team0 (unregistering): Port device team_slave_0 removed [ 101.074936][ T136] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 101.122719][ T136] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 101.242359][ T136] bond0 (unregistering): Released all slaves [ 102.115952][ T4204] Bluetooth: hci0: command 0x0419 tx timeout 1970/01/01 00:01:44 executed programs: 209