Warning: Permanently added '10.128.1.236' (ED25519) to the list of known hosts. 1970/01/01 00:00:41 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:41 parsed 1 programs [ 44.298648][ T4021] cgroup: Unknown subsys name 'net' [ 44.541789][ T4021] cgroup: Unknown subsys name 'rlimit' [ 44.818404][ T4021] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 55.669448][ T1862] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.671640][ T1862] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.674350][ T1862] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 55.691213][ T1862] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.693438][ T1862] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.697926][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 56.690997][ T4087] chnl_net:caif_netlink_parms(): no params data found [ 56.731187][ T4087] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.733129][ T4087] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.735656][ T4087] device bridge_slave_0 entered promiscuous mode [ 56.740954][ T4087] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.742852][ T4087] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.745444][ T4087] device bridge_slave_1 entered promiscuous mode [ 56.762290][ T4087] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.768162][ T4087] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.784288][ T4087] team0: Port device team_slave_0 added [ 56.787936][ T4087] team0: Port device team_slave_1 added [ 56.801071][ T4087] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.802929][ T4087] 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. [ 56.810107][ T4087] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.815508][ T4087] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.817952][ T4087] 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. [ 56.824222][ T4087] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.898455][ T4087] device hsr_slave_0 entered promiscuous mode [ 56.936401][ T4087] device hsr_slave_1 entered promiscuous mode [ 57.061877][ T4087] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.109893][ T4087] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.148433][ T4087] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.199829][ T4087] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.265425][ T4087] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.267468][ T4087] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.269778][ T4087] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.271742][ T4087] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.318433][ T4087] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.325708][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.331291][ T301] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.334192][ T301] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.346709][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 57.355758][ T4087] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.362726][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.365524][ T301] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.367451][ T301] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.374618][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.377600][ T581] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.379351][ T581] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.394320][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.398292][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.404472][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.411987][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.420572][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.428446][ T4087] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.505819][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.507809][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.513965][ T4087] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.530292][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 57.547979][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 57.551150][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.553725][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.563124][ T4087] device veth0_vlan entered promiscuous mode [ 57.570101][ T4087] device veth1_vlan entered promiscuous mode [ 57.589510][ T1862] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.592040][ T1862] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.594688][ T1862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.603234][ T4087] device veth0_macvtap entered promiscuous mode [ 57.608044][ T4087] device veth1_macvtap entered promiscuous mode [ 57.619418][ T4087] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.621597][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.624821][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.631900][ T4087] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.634129][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.642509][ T4087] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.644863][ T4087] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.647636][ T4087] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.649906][ T4087] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:57 executed programs: 0 [ 57.850866][ T4113] chnl_net:caif_netlink_parms(): no params data found [ 57.903459][ T4113] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.905315][ T4113] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.908643][ T4113] device bridge_slave_0 entered promiscuous mode [ 57.912687][ T4113] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.914637][ T4113] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.917148][ T4113] device bridge_slave_1 entered promiscuous mode [ 57.934746][ T4113] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.940126][ T4113] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.956071][ T4113] team0: Port device team_slave_0 added [ 57.959957][ T4113] team0: Port device team_slave_1 added [ 57.974048][ T4113] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 57.975770][ T4113] 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. [ 57.983351][ T4113] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.988122][ T4113] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.989937][ T4113] 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. [ 57.997110][ T4113] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.067859][ T4113] device hsr_slave_0 entered promiscuous mode [ 58.116554][ T4113] device hsr_slave_1 entered promiscuous mode [ 58.156210][ T4113] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.158460][ T4113] Cannot create hsr debugfs directory [ 58.220287][ T4113] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.787215][ T25] Bluetooth: hci0: command 0x0409 tx timeout [ 60.653464][ T4113] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.866075][ T4106] Bluetooth: hci0: command 0x041b tx timeout [ 63.462586][ T4113] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.902379][ T4113] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.946258][ T13] Bluetooth: hci0: command 0x040f tx timeout [ 64.067979][ T4113] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.109863][ T4113] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.168253][ T4113] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.218152][ T4113] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.319177][ T4113] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.330765][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.333286][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.339314][ T4113] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.343930][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.349779][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.352314][ T581] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.354128][ T581] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.363823][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.372242][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.374972][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.379128][ T581] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.380968][ T581] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.383205][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.397615][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.400775][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.404123][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.409820][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.412717][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.415490][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.418666][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.424679][ T4113] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.434214][ T4113] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.439813][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.442393][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.445334][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.527148][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.529259][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.533100][ T4113] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.546870][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.550612][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.565355][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.568092][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.570786][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.573512][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.579667][ T4113] device veth0_vlan entered promiscuous mode [ 64.587510][ T4113] device veth1_vlan entered promiscuous mode [ 64.603917][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.606500][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.609205][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.611724][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.619224][ T4113] device veth0_macvtap entered promiscuous mode [ 64.624595][ T4113] device veth1_macvtap entered promiscuous mode [ 64.637864][ T4113] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 64.640823][ T4113] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.644427][ T4113] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.647069][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.649574][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.652109][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.655178][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.660964][ T4113] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 64.663649][ T4113] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.668605][ T4113] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.670867][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.673509][ T301] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.678894][ T4113] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.681299][ T4113] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.683893][ T4113] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.689615][ T4113] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.743150][ T301] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.745314][ T301] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.752282][ T1862] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.764010][ T301] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.768926][ T301] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.771910][ T581] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 64.813131][ T4126] [ 64.813832][ T4126] ====================================================== [ 64.815712][ T4126] WARNING: possible circular locking dependency detected [ 64.817631][ T4126] 5.15.167-syzkaller #0 Not tainted [ 64.819062][ T4126] ------------------------------------------------------ [ 64.821023][ T4126] syz.0.15/4126 is trying to acquire lock: [ 64.822566][ T4126] ffff0000d6cfcc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 64.825506][ T4126] [ 64.825506][ T4126] but task is already holding lock: [ 64.827477][ T4126] ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 64.830087][ T4126] [ 64.830087][ T4126] which lock already depends on the new lock. [ 64.830087][ T4126] [ 64.832949][ T4126] [ 64.832949][ T4126] the existing dependency chain (in reverse order) is: [ 64.835321][ T4126] [ 64.835321][ T4126] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 64.837577][ T4126] __mutex_lock_common+0x194/0x2154 [ 64.839210][ T4126] mutex_lock_nested+0xa4/0xf8 [ 64.840613][ T4126] rfkill_register+0x44/0x7a4 [ 64.842065][ T4126] hci_register_dev+0x3e0/0x880 [ 64.843487][ T4126] vhci_create_device+0x2c4/0x568 [ 64.844982][ T4126] vhci_write+0x318/0x3b8 [ 64.846193][ T4126] vfs_write+0x884/0xb44 [ 64.847431][ T4126] ksys_write+0x15c/0x26c [ 64.848757][ T4126] __arm64_sys_write+0x7c/0x90 [ 64.850265][ T4126] invoke_syscall+0x98/0x2b8 [ 64.851708][ T4126] el0_svc_common+0x138/0x258 [ 64.853152][ T4126] do_el0_svc+0x58/0x14c [ 64.854411][ T4126] el0_svc+0x7c/0x1f0 [ 64.855595][ T4126] el0t_64_sync_handler+0x84/0xe4 [ 64.857136][ T4126] el0t_64_sync+0x1a0/0x1a4 [ 64.858569][ T4126] [ 64.858569][ T4126] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 64.860035][ T4126] __mutex_lock_common+0x194/0x2154 [ 64.861147][ T4126] mutex_lock_nested+0xa4/0xf8 [ 64.862517][ T4126] vhci_send_frame+0x8c/0x10c [ 64.863907][ T4126] hci_send_frame+0x194/0x2f0 [ 64.865323][ T4126] hci_tx_work+0x9ac/0x16cc [ 64.866717][ T4126] process_one_work+0x790/0x11b8 [ 64.868229][ T4126] worker_thread+0x910/0x1034 [ 64.869688][ T4126] kthread+0x37c/0x45c [ 64.870905][ T4126] ret_from_fork+0x10/0x20 [ 64.872297][ T4126] [ 64.872297][ T4126] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 64.874845][ T4126] __flush_work+0xf8/0x1c0 [ 64.876173][ T4126] flush_work+0x24/0x38 [ 64.877486][ T4126] hci_dev_do_close+0x16c/0x1060 [ 64.878954][ T4126] hci_unregister_dev+0x248/0x4d4 [ 64.880494][ T4126] vhci_release+0x74/0xc4 [ 64.881753][ T4126] __fput+0x1c4/0x800 [ 64.883103][ T4126] ____fput+0x20/0x30 [ 64.884353][ T4126] task_work_run+0x130/0x1e4 [ 64.885714][ T4126] do_exit+0x670/0x20bc [ 64.886963][ T4126] do_group_exit+0x110/0x268 [ 64.888391][ T4126] get_signal+0x634/0x1550 [ 64.889788][ T4126] do_notify_resume+0x3d0/0x32b8 [ 64.891298][ T4126] el0_svc+0xfc/0x1f0 [ 64.892544][ T4126] el0t_64_sync_handler+0x84/0xe4 [ 64.894202][ T4126] el0t_64_sync+0x1a0/0x1a4 [ 64.895617][ T4126] [ 64.895617][ T4126] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 64.897721][ T4126] __mutex_lock_common+0x194/0x2154 [ 64.899332][ T4126] mutex_lock_nested+0xa4/0xf8 [ 64.900745][ T4126] bg_scan_update+0x9c/0x470 [ 64.902144][ T4126] process_one_work+0x790/0x11b8 [ 64.903644][ T4126] worker_thread+0x910/0x1034 [ 64.905109][ T4126] kthread+0x37c/0x45c [ 64.906383][ T4126] ret_from_fork+0x10/0x20 [ 64.907711][ T4126] [ 64.907711][ T4126] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 64.910358][ T4126] __lock_acquire+0x32d4/0x7638 [ 64.911791][ T4126] lock_acquire+0x240/0x77c [ 64.913140][ T4126] __flush_work+0xf8/0x1c0 [ 64.914461][ T4126] __cancel_work_timer+0x3ec/0x548 [ 64.916036][ T4126] cancel_work_sync+0x24/0x38 [ 64.917497][ T4126] hci_request_cancel_all+0xcc/0x2d0 [ 64.919069][ T4126] hci_dev_do_close+0x54/0x1060 [ 64.920512][ T4126] hci_rfkill_set_block+0xdc/0x1d0 [ 64.922028][ T4126] rfkill_set_block+0x18c/0x37c [ 64.923422][ T4126] rfkill_fop_write+0x594/0x750 [ 64.924892][ T4126] vfs_write+0x280/0xb44 [ 64.926219][ T4126] ksys_write+0x15c/0x26c [ 64.927537][ T4126] __arm64_sys_write+0x7c/0x90 [ 64.928975][ T4126] invoke_syscall+0x98/0x2b8 [ 64.930434][ T4126] el0_svc_common+0x138/0x258 [ 64.931811][ T4126] do_el0_svc+0x58/0x14c [ 64.933160][ T4126] el0_svc+0x7c/0x1f0 [ 64.934433][ T4126] el0t_64_sync_handler+0x84/0xe4 [ 64.935944][ T4126] el0t_64_sync+0x1a0/0x1a4 [ 64.937296][ T4126] [ 64.937296][ T4126] other info that might help us debug this: [ 64.937296][ T4126] [ 64.940004][ T4126] Chain exists of: [ 64.940004][ T4126] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 64.940004][ T4126] [ 64.944325][ T4126] Possible unsafe locking scenario: [ 64.944325][ T4126] [ 64.946249][ T4126] CPU0 CPU1 [ 64.947764][ T4126] ---- ---- [ 64.949178][ T4126] lock(rfkill_global_mutex); [ 64.950476][ T4126] lock(&data->open_mutex); [ 64.952423][ T4126] lock(rfkill_global_mutex); [ 64.954408][ T4126] lock((work_completion)(&hdev->bg_scan_update)); [ 64.956224][ T4126] [ 64.956224][ T4126] *** DEADLOCK *** [ 64.956224][ T4126] [ 64.958433][ T4126] 1 lock held by syz.0.15/4126: [ 64.959798][ T4126] #0: ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 64.962480][ T4126] [ 64.962480][ T4126] stack backtrace: [ 64.964125][ T4126] CPU: 1 PID: 4126 Comm: syz.0.15 Not tainted 5.15.167-syzkaller #0 [ 64.966324][ T4126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 64.969306][ T4126] Call trace: [ 64.970170][ T4126] dump_backtrace+0x0/0x530 [ 64.971409][ T4126] show_stack+0x2c/0x3c [ 64.972514][ T4126] dump_stack_lvl+0x108/0x170 [ 64.973806][ T4126] dump_stack+0x1c/0x58 [ 64.974970][ T4126] print_circular_bug+0x150/0x1b8 [ 64.976354][ T4126] check_noncircular+0x2cc/0x378 [ 64.977845][ T4126] __lock_acquire+0x32d4/0x7638 [ 64.979200][ T4126] lock_acquire+0x240/0x77c [ 64.980436][ T4126] __flush_work+0xf8/0x1c0 [ 64.981585][ T4126] __cancel_work_timer+0x3ec/0x548 [ 64.982987][ T4126] cancel_work_sync+0x24/0x38 [ 64.984266][ T4126] hci_request_cancel_all+0xcc/0x2d0 [ 64.985742][ T4126] hci_dev_do_close+0x54/0x1060 [ 64.987053][ T4126] hci_rfkill_set_block+0xdc/0x1d0 [ 64.988487][ T4126] rfkill_set_block+0x18c/0x37c [ 64.989855][ T4126] rfkill_fop_write+0x594/0x750 [ 64.991166][ T4126] vfs_write+0x280/0xb44 [ 64.992376][ T4126] ksys_write+0x15c/0x26c [ 64.993570][ T4126] __arm64_sys_write+0x7c/0x90 [ 64.994864][ T4126] invoke_syscall+0x98/0x2b8 [ 64.996160][ T4126] el0_svc_common+0x138/0x258 [ 64.997426][ T4126] do_el0_svc+0x58/0x14c [ 64.998561][ T4126] el0_svc+0x7c/0x1f0 [ 64.999660][ T4126] el0t_64_sync_handler+0x84/0xe4 [ 65.001019][ T4126] el0t_64_sync+0x1a0/0x1a4