Warning: Permanently added '10.128.0.176' (ED25519) to the list of known hosts. 2026/03/08 22:19:57 parsed 1 programs [ 72.791285][ T4271] cgroup: Unknown subsys name 'net' [ 72.921000][ T4271] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 74.549181][ T4271] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 76.639803][ T4304] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 76.648681][ T4304] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 76.656983][ T4304] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 76.665492][ T4304] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 76.673456][ T4304] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 76.681133][ T4304] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 77.386605][ T4324] chnl_net:caif_netlink_parms(): no params data found [ 77.443051][ T4324] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.451272][ T4324] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.462548][ T4324] device bridge_slave_0 entered promiscuous mode [ 77.482185][ T4324] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.489565][ T4324] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.498354][ T4324] device bridge_slave_1 entered promiscuous mode [ 77.534011][ T4324] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.547684][ T4324] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.580133][ T4324] team0: Port device team_slave_0 added [ 77.587331][ T4324] team0: Port device team_slave_1 added [ 77.604753][ T4324] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.612480][ T4324] 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. [ 77.638690][ T4324] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.661784][ T4324] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.668899][ T4324] 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. [ 77.694993][ T4324] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.726046][ T4324] device hsr_slave_0 entered promiscuous mode [ 77.733051][ T4324] device hsr_slave_1 entered promiscuous mode [ 77.848813][ T4324] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.860036][ T4324] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.869733][ T4324] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.889916][ T4324] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.911130][ T4324] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.918482][ T4324] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.926775][ T4324] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.933854][ T4324] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.993942][ T4324] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.009985][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.023431][ T40] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.032374][ T40] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.043158][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 78.058503][ T4324] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.071805][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.081688][ T40] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.088939][ T40] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.112078][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.121674][ T40] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.128968][ T40] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.150062][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.158794][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.181775][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.197612][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.213487][ T4324] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 78.227227][ T4324] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.236680][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.431142][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.439947][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.453514][ T4324] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.481964][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 78.491840][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.513876][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 78.522367][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.531258][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.539820][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.555850][ T4324] device veth0_vlan entered promiscuous mode [ 78.567835][ T4324] device veth1_vlan entered promiscuous mode [ 78.587709][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.597091][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.605490][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 78.614216][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.626973][ T4324] device veth0_macvtap entered promiscuous mode [ 78.637037][ T4324] device veth1_macvtap entered promiscuous mode [ 78.654064][ T4324] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.662494][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.671199][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 78.680273][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.689288][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.704312][ T4324] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.712263][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.724824][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.740699][ T4324] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.749737][ T4324] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.758666][ T4324] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.768586][ T4324] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.993185][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.873997][ T40] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.882486][ T40] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.900210][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.921936][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.930003][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.938685][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2026/03/08 22:20:06 executed programs: 0 [ 80.761780][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 80.773965][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 80.782546][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 80.791545][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 80.801123][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 80.809216][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 80.922632][ T4369] chnl_net:caif_netlink_parms(): no params data found [ 80.968250][ T4369] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.975483][ T4369] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.983480][ T4369] device bridge_slave_0 entered promiscuous mode [ 80.991850][ T4369] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.999775][ T4369] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.008476][ T4369] device bridge_slave_1 entered promiscuous mode [ 81.028905][ T4369] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.040354][ T4369] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.062459][ T4369] team0: Port device team_slave_0 added [ 81.070174][ T4369] team0: Port device team_slave_1 added [ 81.087335][ T4369] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 81.094360][ T4369] 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. [ 81.121547][ T4369] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 81.135699][ T4369] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 81.143193][ T4369] 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. [ 81.172383][ T4369] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 81.198260][ T11] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 81.229195][ T4369] device hsr_slave_0 entered promiscuous mode [ 81.236269][ T4369] device hsr_slave_1 entered promiscuous mode [ 81.243799][ T4369] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 81.252540][ T4369] Cannot create hsr debugfs directory [ 81.757413][ T7] cfg80211: failed to load regulatory.db [ 82.876220][ T4304] Bluetooth: hci0: command 0x0409 tx timeout [ 83.524879][ T11] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.598957][ T11] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.469488][ T4369] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 84.480704][ T4369] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 84.510947][ T4369] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 84.522443][ T4369] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 84.552950][ T11] device hsr_slave_0 left promiscuous mode [ 84.563321][ T11] device hsr_slave_1 left promiscuous mode [ 84.571310][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 84.581682][ T11] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 84.591811][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 84.603329][ T11] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 84.611746][ T11] device bridge_slave_1 left promiscuous mode [ 84.621797][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.634442][ T11] device bridge_slave_0 left promiscuous mode [ 84.644102][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.672924][ T11] device veth1_macvtap left promiscuous mode [ 84.681901][ T11] device veth0_macvtap left promiscuous mode [ 84.688927][ T11] device veth1_vlan left promiscuous mode [ 84.695016][ T11] device veth0_vlan left promiscuous mode [ 84.960486][ T48] Bluetooth: hci0: command 0x041b tx timeout [ 85.094903][ T11] team0 (unregistering): Port device team_slave_1 removed [ 85.126851][ T11] team0 (unregistering): Port device team_slave_0 removed [ 85.160156][ T11] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 85.192423][ T11] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 85.403480][ T11] bond0 (unregistering): Released all slaves [ 85.532393][ T4369] 8021q: adding VLAN 0 to HW filter on device bond0 [ 85.547714][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 85.556793][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 85.571669][ T4369] 8021q: adding VLAN 0 to HW filter on device team0 [ 85.586560][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 85.601817][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 85.611923][ T1114] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.619065][ T1114] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.627871][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 85.638456][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 85.648044][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 85.656933][ T1114] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.664136][ T1114] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.682627][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 85.695482][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 85.716003][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 85.728066][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 85.737438][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 85.747239][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 85.756502][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 85.764915][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 85.774231][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 85.783183][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 85.794140][ T4369] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 85.824934][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 86.034598][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 86.043240][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 86.059047][ T4369] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 86.109069][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 86.119267][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 86.141180][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 86.151056][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 86.167406][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 86.186484][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 86.208850][ T4369] device veth0_vlan entered promiscuous mode [ 86.232972][ T4369] device veth1_vlan entered promiscuous mode [ 86.282002][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 86.296677][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 86.310020][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 86.322444][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 86.348471][ T4369] device veth0_macvtap entered promiscuous mode [ 86.362153][ T4369] device veth1_macvtap entered promiscuous mode [ 86.394170][ T4369] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 86.408628][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 86.418231][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 86.428432][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 86.438179][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 86.456249][ T4369] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 86.467055][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 86.477080][ T1114] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 86.494521][ T4369] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.503873][ T4369] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.512963][ T4369] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.521957][ T4369] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.604211][ T1114] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.613650][ T1114] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 86.622461][ T4405] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 86.644223][ T4405] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.652566][ T4405] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 86.660657][ T4405] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 86.711706][ T4416] [ 86.714149][ T4416] ====================================================== [ 86.721174][ T4416] WARNING: possible circular locking dependency detected [ 86.728250][ T4416] syzkaller #0 Not tainted [ 86.732744][ T4416] ------------------------------------------------------ [ 86.739836][ T4416] syz.0.17/4416 is trying to acquire lock: [ 86.745724][ T4416] ffff888020669458 ((work_completion)(&new_smc->smc_listen_work)){+.+.}-{0:0}, at: __flush_work+0x10d/0xae0 [ 86.757307][ T4416] [ 86.757307][ T4416] but task is already holding lock: [ 86.764758][ T4416] ffff888020668130 (sk_lock-AF_SMC/1){+.+.}-{0:0}, at: smc_release+0x251/0x530 [ 86.773823][ T4416] [ 86.773823][ T4416] which lock already depends on the new lock. [ 86.773823][ T4416] [ 86.784226][ T4416] [ 86.784226][ T4416] the existing dependency chain (in reverse order) is: [ 86.793414][ T4416] [ 86.793414][ T4416] -> #1 (sk_lock-AF_SMC/1){+.+.}-{0:0}: [ 86.801159][ T4416] lock_sock_nested+0x44/0x100 [ 86.806541][ T4416] smc_listen_out+0x109/0x3d0 [ 86.811851][ T4416] smc_listen_work+0x581/0xd70 [ 86.817675][ T4416] process_one_work+0x8a2/0x1160 [ 86.823399][ T4416] worker_thread+0xaa2/0x1270 [ 86.828689][ T4416] kthread+0x29d/0x330 [ 86.833451][ T4416] ret_from_fork+0x1f/0x30 [ 86.838405][ T4416] [ 86.838405][ T4416] -> #0 ((work_completion)(&new_smc->smc_listen_work)){+.+.}-{0:0}: [ 86.848918][ T4416] __lock_acquire+0x2d07/0x7d10 [ 86.854388][ T4416] lock_acquire+0x1bb/0x4a0 [ 86.859420][ T4416] __flush_work+0x126/0xae0 [ 86.864466][ T4416] __cancel_work_timer+0x3f4/0x560 [ 86.870103][ T4416] smc_clcsock_release+0x5c/0xe0 [ 86.875571][ T4416] __smc_release+0x661/0x7d0 [ 86.880708][ T4416] smc_close_non_accepted+0xd1/0x1f0 [ 86.886620][ T4416] smc_close_active+0xb00/0xea0 [ 86.892083][ T4416] __smc_release+0x8d/0x7d0 [ 86.897119][ T4416] smc_release+0x2ca/0x530 [ 86.902155][ T4416] sock_close+0xd5/0x240 [ 86.906930][ T4416] __fput+0x22c/0x920 [ 86.911445][ T4416] task_work_run+0x1d0/0x260 [ 86.916649][ T4416] exit_to_user_mode_loop+0xe6/0x110 [ 86.922466][ T4416] exit_to_user_mode_prepare+0xee/0x180 [ 86.928630][ T4416] syscall_exit_to_user_mode+0x16/0x40 [ 86.934627][ T4416] do_syscall_64+0x58/0xa0 [ 86.939575][ T4416] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 86.946292][ T4416] [ 86.946292][ T4416] other info that might help us debug this: [ 86.946292][ T4416] [ 86.956607][ T4416] Possible unsafe locking scenario: [ 86.956607][ T4416] [ 86.964163][ T4416] CPU0 CPU1 [ 86.969563][ T4416] ---- ---- [ 86.974936][ T4416] lock(sk_lock-AF_SMC/1); [ 86.979465][ T4416] lock((work_completion)(&new_smc->smc_listen_work)); [ 86.989186][ T4416] lock(sk_lock-AF_SMC/1); [ 86.996493][ T4416] lock((work_completion)(&new_smc->smc_listen_work)); [ 87.003442][ T4416] [ 87.003442][ T4416] *** DEADLOCK *** [ 87.003442][ T4416] [ 87.011591][ T4416] 2 locks held by syz.0.17/4416: [ 87.016538][ T4416] #0: ffff888068fe5010 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: sock_close+0x90/0x240 [ 87.026909][ T4416] #1: ffff888020668130 (sk_lock-AF_SMC/1){+.+.}-{0:0}, at: smc_release+0x251/0x530 [ 87.036322][ T4416] [ 87.036322][ T4416] stack backtrace: [ 87.042217][ T4416] CPU: 1 PID: 4416 Comm: syz.0.17 Not tainted syzkaller #0 [ 87.049504][ T4416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 87.059647][ T4416] Call Trace: [ 87.062941][ T4416] [ 87.065883][ T4416] dump_stack_lvl+0x188/0x24e [ 87.070568][ T4416] ? load_image+0x400/0x400 [ 87.075081][ T4416] ? show_regs_print_info+0x12/0x12 [ 87.080428][ T4416] ? print_circular_bug+0x12b/0x1a0 [ 87.085640][ T4416] check_noncircular+0x296/0x330 [ 87.090588][ T4416] ? look_up_lock_class+0x75/0x140 [ 87.095720][ T4416] ? add_chain_block+0x940/0x940 [ 87.100846][ T4416] ? lockdep_lock+0xf1/0x1f0 [ 87.105555][ T4416] ? lock_release+0xcf/0x920 [ 87.110315][ T4416] ? _find_first_zero_bit+0xcf/0x100 [ 87.115871][ T4416] __lock_acquire+0x2d07/0x7d10 [ 87.121008][ T4416] ? unwind_next_frame+0x1880/0x20b0 [ 87.126422][ T4416] ? deref_stack_reg+0x19f/0x230 [ 87.131633][ T4416] ? __bfs+0x2a3/0x5c0 [ 87.135796][ T4416] ? verify_lock_unused+0x140/0x140 [ 87.141013][ T4416] ? mark_lock+0x94/0x320 [ 87.145354][ T4416] ? __lock_acquire+0x13cf/0x7d10 [ 87.150518][ T4416] ? add_chain_block+0x940/0x940 [ 87.155552][ T4416] ? lockdep_unlock+0x142/0x2e0 [ 87.160595][ T4416] lock_acquire+0x1bb/0x4a0 [ 87.165200][ T4416] ? __flush_work+0x10d/0xae0 [ 87.169980][ T4416] ? __lock_acquire+0x13cf/0x7d10 [ 87.175418][ T4416] ? read_lock_is_recursive+0x10/0x10 [ 87.180825][ T4416] ? __flush_work+0x10d/0xae0 [ 87.185609][ T4416] __flush_work+0x126/0xae0 [ 87.190124][ T4416] ? __flush_work+0x10d/0xae0 [ 87.194815][ T4416] ? verify_lock_unused+0x140/0x140 [ 87.200030][ T4416] ? flush_work+0x20/0x20 [ 87.204368][ T4416] ? try_to_grab_pending+0xfa/0x860 [ 87.209569][ T4416] ? lockdep_hardirqs_off+0x70/0x100 [ 87.214949][ T4416] ? mark_lock+0x94/0x320 [ 87.219382][ T4416] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 87.225549][ T4416] ? lock_chain_count+0x20/0x20 [ 87.230495][ T4416] ? __cancel_work_timer+0x36a/0x560 [ 87.235880][ T4416] __cancel_work_timer+0x3f4/0x560 [ 87.241018][ T4416] ? cancel_work_sync+0x20/0x20 [ 87.245887][ T4416] ? __smc_release+0x659/0x7d0 [ 87.250675][ T4416] ? __local_bh_enable_ip+0x136/0x1c0 [ 87.256150][ T4416] ? lockdep_hardirqs_on+0x94/0x140 [ 87.261624][ T4416] ? __local_bh_enable_ip+0x136/0x1c0 [ 87.267202][ T4416] ? _local_bh_enable+0xa0/0xa0 [ 87.272318][ T4416] smc_clcsock_release+0x5c/0xe0 [ 87.277270][ T4416] __smc_release+0x661/0x7d0 [ 87.281882][ T4416] ? do_raw_spin_unlock+0x11d/0x230 [ 87.287084][ T4416] smc_close_non_accepted+0xd1/0x1f0 [ 87.292466][ T4416] smc_close_active+0xb00/0xea0 [ 87.297326][ T4416] ? sock_no_sendpage_locked+0x1c0/0x1c0 [ 87.302979][ T4416] __smc_release+0x8d/0x7d0 [ 87.307599][ T4416] ? do_raw_spin_unlock+0x11d/0x230 [ 87.312809][ T4416] smc_release+0x2ca/0x530 [ 87.317407][ T4416] sock_close+0xd5/0x240 [ 87.321912][ T4416] ? sock_mmap+0x90/0x90 [ 87.326174][ T4416] __fput+0x22c/0x920 [ 87.330184][ T4416] task_work_run+0x1d0/0x260 [ 87.334782][ T4416] ? task_work_cancel+0x220/0x220 [ 87.339824][ T4416] ? exit_to_user_mode_loop+0x3b/0x110 [ 87.345294][ T4416] exit_to_user_mode_loop+0xe6/0x110 [ 87.350627][ T4416] exit_to_user_mode_prepare+0xee/0x180 [ 87.356202][ T4416] syscall_exit_to_user_mode+0x16/0x40 [ 87.361841][ T4416] do_syscall_64+0x58/0xa0 [ 87.366288][ T4416] ? clear_bhb_loop+0x60/0xb0 [ 87.371077][ T4416] ? clear_bhb_loop+0x60/0xb0 [ 87.375866][ T4416] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 87.381880][ T4416] RIP: 0033:0x7f4c5599c799 [ 87.386398][ T4416] 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 [ 87.406448][ T4416] RSP: 002b:00007ffc826fbb98 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 87.415220][ T4416] RAX: 0000000000000000 RBX: 00007ffc826fbc80 RCX: 00007f4c5599c799 [ 87.423205][ T4416] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 87.431267][ T4416] RBP: 000000000001527e R08: 0000000000000001 R09: 0000000000000000 [ 87.439593][ T4416] R10: 0000001b2d020000 R11: 0000000000000246 R12: 0000000000000000 [ 87.447593][ T4416] R13: 00007f4c55c15fac R14: 00007f4c55c15fa8 R15: 00007f4c55c15fa0 [ 87.455691][ T4416] [ 87.460251][ T4304] Bluetooth: hci0: command 0x040f tx timeout