Warning: Permanently added '10.128.1.17' (ED25519) to the list of known hosts. 1970/01/01 00:00:44 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:45 parsed 1 programs [ 47.909386][ T4033] cgroup: Unknown subsys name 'net' [ 48.190276][ T4033] cgroup: Unknown subsys name 'rlimit' [ 48.553698][ T4033] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 61.619218][ T4060] chnl_net:caif_netlink_parms(): no params data found [ 61.663282][ T4060] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.665426][ T4060] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.668119][ T4060] device bridge_slave_0 entered promiscuous mode [ 61.672824][ T4060] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.676052][ T4060] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.678686][ T4060] device bridge_slave_1 entered promiscuous mode [ 61.698171][ T4060] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.702505][ T4060] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.718232][ T4060] team0: Port device team_slave_0 added [ 61.721577][ T4060] team0: Port device team_slave_1 added [ 61.739059][ T4060] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.740962][ T4060] 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. [ 61.748082][ T4060] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.752818][ T4060] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.754853][ T4060] 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. [ 61.761609][ T4060] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.836366][ T4060] device hsr_slave_0 entered promiscuous mode [ 61.874666][ T4060] device hsr_slave_1 entered promiscuous mode [ 62.041979][ T4060] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.106189][ T4060] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.150011][ T4060] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.196759][ T4060] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.264090][ T4060] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.266259][ T4060] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.268772][ T4060] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.270744][ T4060] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.320366][ T4060] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.330828][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.337402][ T256] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.341377][ T256] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.346264][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 62.354981][ T4060] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.361527][ T395] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.364647][ T395] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.366583][ T395] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.376676][ T395] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.379365][ T395] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.381534][ T395] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.393090][ T395] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.397610][ T395] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.405488][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.411458][ T395] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.420188][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.425484][ T4060] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.504942][ T395] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.507101][ T395] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.516497][ T4060] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.532616][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.550126][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.553726][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.558115][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.562974][ T4060] device veth0_vlan entered promiscuous mode [ 62.570961][ T4060] device veth1_vlan entered promiscuous mode [ 62.591828][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.597088][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.600367][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.606000][ T4060] device veth0_macvtap entered promiscuous mode [ 62.611425][ T4060] device veth1_macvtap entered promiscuous mode [ 62.628411][ T4060] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.630618][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.633396][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.641948][ T4060] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.645053][ T395] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 62.647818][ T395] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 62.653175][ T4060] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.657304][ T4060] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.659618][ T4060] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.662004][ T4060] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.424535][ T136] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 63.551316][ T395] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.553520][ T395] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.569069][ T1869] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.579478][ T395] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.581616][ T395] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.587896][ T395] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:04 executed programs: 0 [ 64.319088][ T4113] chnl_net:caif_netlink_parms(): no params data found [ 64.357104][ T4113] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.359386][ T4113] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.362015][ T4113] device bridge_slave_0 entered promiscuous mode [ 64.365953][ T4113] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.367937][ T4113] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.370585][ T4113] device bridge_slave_1 entered promiscuous mode [ 64.386605][ T4113] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.391191][ T4113] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.407854][ T4113] team0: Port device team_slave_0 added [ 64.411289][ T4113] team0: Port device team_slave_1 added [ 64.425400][ T4113] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 64.427348][ 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. [ 64.434517][ T4113] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 64.441658][ T4113] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 64.443619][ 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. [ 64.451289][ T4113] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.496502][ T4113] device hsr_slave_0 entered promiscuous mode [ 64.544708][ T4113] device hsr_slave_1 entered promiscuous mode [ 64.584464][ T4113] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.586803][ T4113] Cannot create hsr debugfs directory [ 65.832165][ T136] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.264873][ T4035] Bluetooth: hci0: command 0x0409 tx timeout [ 68.070605][ T136] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.133960][ T136] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.348407][ T13] Bluetooth: hci0: command 0x041b tx timeout [ 69.113300][ T4113] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.157033][ T4113] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.186587][ T4113] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.236412][ T4113] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.333810][ T4113] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.341343][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.343941][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.352216][ T4113] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.358717][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.361418][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.363966][ T256] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.365899][ T256] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.368655][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.373657][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.376990][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.379492][ T256] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.381553][ T256] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.417064][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.421579][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.427643][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.431056][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.433984][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.440884][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.443868][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.471723][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.475415][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.480556][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.483263][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.488226][ T4113] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.586415][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.588658][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.597071][ T4113] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.609680][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.612625][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.626985][ T2055] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.628057][ T21] cfg80211: failed to load regulatory.db [ 69.629020][ T2055] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.640237][ T4113] device veth0_vlan entered promiscuous mode [ 69.647718][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.650519][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.653398][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.657575][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.665153][ T4113] device veth1_vlan entered promiscuous mode [ 69.680325][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.683046][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.686309][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 69.689033][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 69.693634][ T4113] device veth0_macvtap entered promiscuous mode [ 69.700726][ T4113] device veth1_macvtap entered promiscuous mode [ 69.710366][ T4113] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 69.713258][ T4113] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.718160][ T4113] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 69.720342][ T395] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 69.722935][ T395] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 69.725652][ T395] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 69.728367][ T395] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 69.732940][ T4113] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 69.736563][ T4113] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 69.740164][ T4113] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 69.742219][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 69.745522][ T256] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 69.750444][ T4113] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.752897][ T4113] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.756149][ T4113] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.758546][ T4113] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.797967][ T256] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.800630][ T256] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.828556][ T395] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 69.835684][ T148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.838003][ T148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.840823][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 70.013025][ T4163] [ 70.013676][ T4163] ====================================================== [ 70.015631][ T4163] WARNING: possible circular locking dependency detected [ 70.017519][ T4163] 5.15.178-syzkaller #0 Not tainted [ 70.018999][ T4163] ------------------------------------------------------ [ 70.020885][ T4163] syz.0.16/4163 is trying to acquire lock: [ 70.022380][ T4163] ffff0000d6ae0c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 70.025307][ T4163] [ 70.025307][ T4163] but task is already holding lock: [ 70.027287][ T4163] ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 70.029798][ T4163] [ 70.029798][ T4163] which lock already depends on the new lock. [ 70.029798][ T4163] [ 70.032494][ T4163] [ 70.032494][ T4163] the existing dependency chain (in reverse order) is: [ 70.034958][ T4163] [ 70.034958][ T4163] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 70.037038][ T4163] __mutex_lock_common+0x194/0x2154 [ 70.038580][ T4163] mutex_lock_nested+0xa4/0xf8 [ 70.039996][ T4163] rfkill_register+0x44/0x7a4 [ 70.041463][ T4163] hci_register_dev+0x3e0/0x880 [ 70.042890][ T4163] vhci_create_device+0x2c4/0x568 [ 70.044382][ T4163] vhci_write+0x318/0x3b8 [ 70.045685][ T4163] vfs_write+0x884/0xb44 [ 70.046921][ T4163] ksys_write+0x15c/0x26c [ 70.048159][ T4163] __arm64_sys_write+0x7c/0x90 [ 70.049467][ T4163] invoke_syscall+0x98/0x2b8 [ 70.050907][ T4163] el0_svc_common+0x138/0x258 [ 70.052242][ T4163] do_el0_svc+0x58/0x14c [ 70.053462][ T4163] el0_svc+0x7c/0x1f0 [ 70.054666][ T4163] el0t_64_sync_handler+0x84/0xe4 [ 70.056031][ T4163] el0t_64_sync+0x1a0/0x1a4 [ 70.057152][ T4163] [ 70.057152][ T4163] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 70.058973][ T4163] __mutex_lock_common+0x194/0x2154 [ 70.060255][ T4163] mutex_lock_nested+0xa4/0xf8 [ 70.061540][ T4163] vhci_send_frame+0x8c/0x10c [ 70.062698][ T4163] hci_send_frame+0x194/0x2f0 [ 70.063933][ T4163] hci_tx_work+0x9ac/0x16cc [ 70.065134][ T4163] process_one_work+0x790/0x11b8 [ 70.066375][ T4163] worker_thread+0x910/0x1034 [ 70.067562][ T4163] kthread+0x37c/0x45c [ 70.068562][ T4163] ret_from_fork+0x10/0x20 [ 70.069651][ T4163] [ 70.069651][ T4163] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 70.072247][ T4163] __flush_work+0xf8/0x1c0 [ 70.073561][ T4163] flush_work+0x24/0x38 [ 70.074783][ T4163] hci_dev_do_close+0x16c/0x1060 [ 70.076225][ T4163] hci_unregister_dev+0x248/0x4d4 [ 70.077718][ T4163] vhci_release+0x74/0xc4 [ 70.078982][ T4163] __fput+0x1c4/0x800 [ 70.080099][ T4163] ____fput+0x20/0x30 [ 70.081232][ T4163] task_work_run+0x130/0x1e4 [ 70.082634][ T4163] do_exit+0x670/0x20bc [ 70.083906][ T4163] do_group_exit+0x110/0x268 [ 70.085268][ T4163] get_signal+0x634/0x1550 [ 70.086533][ T4163] do_notify_resume+0x3d0/0x32b8 [ 70.087952][ T4163] el0_svc+0xfc/0x1f0 [ 70.089086][ T4163] el0t_64_sync_handler+0x84/0xe4 [ 70.090501][ T4163] el0t_64_sync+0x1a0/0x1a4 [ 70.091797][ T4163] [ 70.091797][ T4163] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 70.093846][ T4163] __mutex_lock_common+0x194/0x2154 [ 70.095383][ T4163] mutex_lock_nested+0xa4/0xf8 [ 70.096790][ T4163] bg_scan_update+0x9c/0x470 [ 70.098144][ T4163] process_one_work+0x790/0x11b8 [ 70.099616][ T4163] worker_thread+0x910/0x1034 [ 70.101002][ T4163] kthread+0x37c/0x45c [ 70.102212][ T4163] ret_from_fork+0x10/0x20 [ 70.103509][ T4163] [ 70.103509][ T4163] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 70.106172][ T4163] __lock_acquire+0x32d4/0x7638 [ 70.107597][ T4163] lock_acquire+0x240/0x77c [ 70.108939][ T4163] __flush_work+0xf8/0x1c0 [ 70.110266][ T4163] __cancel_work_timer+0x3ec/0x548 [ 70.111783][ T4163] cancel_work_sync+0x24/0x38 [ 70.113193][ T4163] hci_request_cancel_all+0xcc/0x2d0 [ 70.114719][ T4163] hci_dev_do_close+0x54/0x1060 [ 70.116165][ T4163] hci_rfkill_set_block+0xdc/0x1d0 [ 70.117685][ T4163] rfkill_set_block+0x18c/0x37c [ 70.119028][ T4163] rfkill_fop_write+0x594/0x750 [ 70.120523][ T4163] vfs_write+0x280/0xb44 [ 70.121760][ T4163] ksys_write+0x15c/0x26c [ 70.123023][ T4163] __arm64_sys_write+0x7c/0x90 [ 70.124466][ T4163] invoke_syscall+0x98/0x2b8 [ 70.126004][ T4163] el0_svc_common+0x138/0x258 [ 70.127512][ T4163] do_el0_svc+0x58/0x14c [ 70.128945][ T4163] el0_svc+0x7c/0x1f0 [ 70.130277][ T4163] el0t_64_sync_handler+0x84/0xe4 [ 70.131829][ T4163] el0t_64_sync+0x1a0/0x1a4 [ 70.133262][ T4163] [ 70.133262][ T4163] other info that might help us debug this: [ 70.133262][ T4163] [ 70.136260][ T4163] Chain exists of: [ 70.136260][ T4163] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 70.136260][ T4163] [ 70.140750][ T4163] Possible unsafe locking scenario: [ 70.140750][ T4163] [ 70.142906][ T4163] CPU0 CPU1 [ 70.144438][ T4163] ---- ---- [ 70.145934][ T4163] lock(rfkill_global_mutex); [ 70.147279][ T4163] lock(&data->open_mutex); [ 70.149206][ T4163] lock(rfkill_global_mutex); [ 70.151245][ T4163] lock((work_completion)(&hdev->bg_scan_update)); [ 70.153047][ T4163] [ 70.153047][ T4163] *** DEADLOCK *** [ 70.153047][ T4163] [ 70.155381][ T4163] 1 lock held by syz.0.16/4163: [ 70.156773][ T4163] #0: ffff800016f39608 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 70.159642][ T4163] [ 70.159642][ T4163] stack backtrace: [ 70.161256][ T4163] CPU: 0 PID: 4163 Comm: syz.0.16 Not tainted 5.15.178-syzkaller #0 [ 70.163487][ T4163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 70.166346][ T4163] Call trace: [ 70.167273][ T4163] dump_backtrace+0x0/0x530 [ 70.168551][ T4163] show_stack+0x2c/0x3c [ 70.169755][ T4163] dump_stack_lvl+0x108/0x170 [ 70.171098][ T4163] dump_stack+0x1c/0x58 [ 70.172309][ T4163] print_circular_bug+0x150/0x1b8 [ 70.173746][ T4163] check_noncircular+0x2cc/0x378 [ 70.175169][ T4163] __lock_acquire+0x32d4/0x7638 [ 70.176597][ T4163] lock_acquire+0x240/0x77c [ 70.177891][ T4163] __flush_work+0xf8/0x1c0 [ 70.179148][ T4163] __cancel_work_timer+0x3ec/0x548 [ 70.180597][ T4163] cancel_work_sync+0x24/0x38 [ 70.181916][ T4163] hci_request_cancel_all+0xcc/0x2d0 [ 70.183341][ T4163] hci_dev_do_close+0x54/0x1060 [ 70.184683][ T4163] hci_rfkill_set_block+0xdc/0x1d0 [ 70.186058][ T4163] rfkill_set_block+0x18c/0x37c [ 70.187429][ T4163] rfkill_fop_write+0x594/0x750 [ 70.188783][ T4163] vfs_write+0x280/0xb44 [ 70.189984][ T4163] ksys_write+0x15c/0x26c [ 70.191125][ T4163] __arm64_sys_write+0x7c/0x90 [ 70.192474][ T4163] invoke_syscall+0x98/0x2b8 [ 70.193769][ T4163] el0_svc_common+0x138/0x258 [ 70.195070][ T4163] do_el0_svc+0x58/0x14c [ 70.196289][ T4163] el0_svc+0x7c/0x1f0 [ 70.197427][ T4163] el0t_64_sync_handler+0x84/0xe4 [ 70.198829][ T4163] el0t_64_sync+0x1a0/0x1a4