Warning: Permanently added '10.128.1.37' (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 syzkaller login: [ 47.974532][ T4029] cgroup: Unknown subsys name 'net' [ 48.207060][ T4029] cgroup: Unknown subsys name 'rlimit' [ 48.538565][ T4029] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 66.788015][ T4039] chnl_net:caif_netlink_parms(): no params data found [ 66.824209][ T4039] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.825691][ T4039] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.827840][ T4039] device bridge_slave_0 entered promiscuous mode [ 66.832163][ T4039] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.833854][ T4039] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.835811][ T4039] device bridge_slave_1 entered promiscuous mode [ 66.851148][ T4039] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.855013][ T4039] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.869503][ T4039] team0: Port device team_slave_0 added [ 66.872741][ T4039] team0: Port device team_slave_1 added [ 66.885724][ T4039] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.887158][ T4039] 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. [ 66.892430][ T4039] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.896299][ T4039] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.897816][ T4039] 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. [ 66.902813][ T4039] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.984645][ T4039] device hsr_slave_0 entered promiscuous mode [ 67.031891][ T4039] device hsr_slave_1 entered promiscuous mode [ 67.146119][ T4039] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.194011][ T4039] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.253838][ T4039] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.323862][ T4039] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.409296][ T4039] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.410832][ T4039] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.412926][ T4039] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.414459][ T4039] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.451412][ T4039] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.460292][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.464211][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.467047][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.469466][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 67.478876][ T4039] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.484349][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.486338][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.487702][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.492450][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.494400][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.495896][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.506823][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.509013][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.517562][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.523290][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.528397][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.533854][ T4039] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.600127][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.602695][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.609501][ T4039] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.623536][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.635348][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.637829][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.639657][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.645739][ T4039] device veth0_vlan entered promiscuous mode [ 67.652124][ T4039] device veth1_vlan entered promiscuous mode [ 67.666057][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.668089][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.670301][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.675266][ T4039] device veth0_macvtap entered promiscuous mode [ 67.678906][ T4039] device veth1_macvtap entered promiscuous mode [ 67.689958][ T4039] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.693087][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.695656][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.700322][ T4039] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.703237][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.706865][ T4039] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.708736][ T4039] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.710540][ T4039] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.713123][ T4039] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.052003][ T136] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.623774][ T1534] cfg80211: failed to load regulatory.db [ 69.624136][ T2056] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.626404][ T2056] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.628426][ T136] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.187772][ T136] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.250273][ T136] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.385145][ T1150] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.386937][ T1150] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.389380][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.411402][ T1150] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.413274][ T1150] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.415465][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 74.596767][ T136] device hsr_slave_0 left promiscuous mode [ 74.635227][ T136] device hsr_slave_1 left promiscuous mode [ 74.711971][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 74.713503][ T136] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 74.715906][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 74.717445][ T136] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 74.719363][ T136] device bridge_slave_1 left promiscuous mode [ 74.720982][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.765593][ T136] device bridge_slave_0 left promiscuous mode [ 74.767036][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.961909][ T136] device veth1_macvtap left promiscuous mode [ 74.963379][ T136] device veth0_macvtap left promiscuous mode [ 74.964761][ T136] device veth1_vlan left promiscuous mode [ 74.966178][ T136] device veth0_vlan left promiscuous mode [ 75.189932][ T136] team0 (unregistering): Port device team_slave_1 removed [ 75.199169][ T136] team0 (unregistering): Port device team_slave_0 removed [ 75.209765][ T136] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 75.271425][ T136] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 75.440465][ T136] bond0 (unregistering): Released all slaves 1970/01/01 00:01:16 executed programs: 0 [ 76.232041][ T4192] chnl_net:caif_netlink_parms(): no params data found [ 76.284657][ T4192] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.286361][ T4192] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.288644][ T4192] device bridge_slave_0 entered promiscuous mode [ 76.293349][ T4192] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.294975][ T4192] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.297407][ T4192] device bridge_slave_1 entered promiscuous mode [ 76.322713][ T4192] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.326934][ T4192] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.402605][ T4192] team0: Port device team_slave_0 added [ 76.406596][ T4192] team0: Port device team_slave_1 added [ 76.435227][ T4192] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 76.436648][ T4192] 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. [ 76.443673][ T4192] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.447241][ T4192] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.449029][ T4192] 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. [ 76.456193][ T4192] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.543637][ T4192] device hsr_slave_0 entered promiscuous mode [ 76.552704][ T4192] device hsr_slave_1 entered promiscuous mode [ 77.342637][ T4192] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.393799][ T4192] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.451186][ T4192] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.493625][ T4192] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.633702][ T4192] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.647094][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.649190][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.655485][ T4192] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.673660][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.676104][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.678208][ T1150] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.679646][ T1150] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.684949][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.693938][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.696202][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.704163][ T1150] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.705660][ T1150] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.710467][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.715285][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.721274][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 77.727155][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.732497][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.748785][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 77.751275][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.757046][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 77.760468][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.766300][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 77.768515][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.773394][ T4192] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.799135][ T136] ODEBUG: Out of memory. ODEBUG disabled [ 77.939277][ T4192] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.945501][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.947104][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.981436][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 77.983994][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.008252][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 78.010424][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.013555][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.015403][ T300] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.020840][ T4192] device veth0_vlan entered promiscuous mode [ 78.055698][ T4192] device veth1_vlan entered promiscuous mode [ 78.090658][ T1849] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.093180][ T1849] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.095150][ T1849] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 78.103553][ T1849] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.107807][ T4192] device veth0_macvtap entered promiscuous mode [ 78.111424][ T4192] device veth1_macvtap entered promiscuous mode [ 78.121117][ T4192] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.123845][ T1849] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.125785][ T1849] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 78.127850][ T1849] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.130006][ T1849] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.140686][ T4192] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.143362][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.145794][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.155404][ T4192] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.157193][ T4192] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.158858][ T4192] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.160491][ T4192] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.182735][ T4311] Bluetooth: hci1: command 0x0409 tx timeout [ 78.200997][ T1849] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.202962][ T1849] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.205485][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.220836][ T1849] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.224888][ T1849] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.227105][ T1150] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 78.264692][ T4326] [ 78.265316][ T4326] ====================================================== [ 78.266788][ T4326] WARNING: possible circular locking dependency detected [ 78.268305][ T4326] 5.15.170-syzkaller #0 Not tainted [ 78.269218][ T4326] ------------------------------------------------------ [ 78.270643][ T4326] syz.0.15/4326 is trying to acquire lock: [ 78.271831][ T4326] ffff0000da438c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 78.274195][ T4326] [ 78.274195][ T4326] but task is already holding lock: [ 78.275636][ T4326] ffff800016e76f28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 78.277569][ T4326] [ 78.277569][ T4326] which lock already depends on the new lock. [ 78.277569][ T4326] [ 78.279590][ T4326] [ 78.279590][ T4326] the existing dependency chain (in reverse order) is: [ 78.281486][ T4326] [ 78.281486][ T4326] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 78.283012][ T4326] __mutex_lock_common+0x194/0x2154 [ 78.284179][ T4326] mutex_lock_nested+0xa4/0xf8 [ 78.285270][ T4326] rfkill_register+0x44/0x7a4 [ 78.286386][ T4326] hci_register_dev+0x3e0/0x880 [ 78.287419][ T4326] vhci_create_device+0x2c4/0x568 [ 78.288502][ T4326] vhci_write+0x318/0x3b8 [ 78.289402][ T4326] vfs_write+0x884/0xb44 [ 78.290421][ T4326] ksys_write+0x15c/0x26c [ 78.291420][ T4326] __arm64_sys_write+0x7c/0x90 [ 78.292447][ T4326] invoke_syscall+0x98/0x2b8 [ 78.293439][ T4326] el0_svc_common+0x138/0x258 [ 78.294487][ T4326] do_el0_svc+0x58/0x14c [ 78.295383][ T4326] el0_svc+0x7c/0x1f0 [ 78.296345][ T4326] el0t_64_sync_handler+0x84/0xe4 [ 78.297555][ T4326] el0t_64_sync+0x1a0/0x1a4 [ 78.298595][ T4326] [ 78.298595][ T4326] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 78.300238][ T4326] __mutex_lock_common+0x194/0x2154 [ 78.301401][ T4326] mutex_lock_nested+0xa4/0xf8 [ 78.302506][ T4326] vhci_send_frame+0x8c/0x10c [ 78.303497][ T4326] hci_send_frame+0x194/0x2f0 [ 78.304616][ T4326] hci_tx_work+0x9ac/0x16cc [ 78.305575][ T4326] process_one_work+0x790/0x11b8 [ 78.306685][ T4326] worker_thread+0x910/0x1034 [ 78.307743][ T4326] kthread+0x37c/0x45c [ 78.308598][ T4326] ret_from_fork+0x10/0x20 [ 78.309536][ T4326] [ 78.309536][ T4326] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 78.311361][ T4326] __flush_work+0xf8/0x1c0 [ 78.312397][ T4326] flush_work+0x24/0x38 [ 78.313354][ T4326] hci_dev_do_close+0x16c/0x1060 [ 78.314454][ T4326] hci_unregister_dev+0x248/0x4d4 [ 78.315525][ T4326] vhci_release+0x74/0xc4 [ 78.316500][ T4326] __fput+0x1c4/0x800 [ 78.317349][ T4326] ____fput+0x20/0x30 [ 78.318383][ T4326] task_work_run+0x130/0x1e4 [ 78.319460][ T4326] do_exit+0x670/0x20bc [ 78.320541][ T4326] do_group_exit+0x110/0x268 [ 78.321583][ T4326] get_signal+0x634/0x1550 [ 78.322514][ T4326] do_notify_resume+0x3d0/0x32b8 [ 78.323575][ T4326] el0_svc+0xfc/0x1f0 [ 78.324533][ T4326] el0t_64_sync_handler+0x84/0xe4 [ 78.325661][ T4326] el0t_64_sync+0x1a0/0x1a4 [ 78.326607][ T4326] [ 78.326607][ T4326] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 78.328196][ T4326] __mutex_lock_common+0x194/0x2154 [ 78.329505][ T4326] mutex_lock_nested+0xa4/0xf8 [ 78.330521][ T4326] bg_scan_update+0x9c/0x470 [ 78.331497][ T4326] process_one_work+0x790/0x11b8 [ 78.332574][ T4326] worker_thread+0x910/0x1034 [ 78.333603][ T4326] kthread+0x37c/0x45c [ 78.334497][ T4326] ret_from_fork+0x10/0x20 [ 78.335449][ T4326] [ 78.335449][ T4326] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 78.337303][ T4326] __lock_acquire+0x32d4/0x7638 [ 78.338472][ T4326] lock_acquire+0x240/0x77c [ 78.339400][ T4326] __flush_work+0xf8/0x1c0 [ 78.340359][ T4326] __cancel_work_timer+0x3ec/0x548 [ 78.341454][ T4326] cancel_work_sync+0x24/0x38 [ 78.342465][ T4326] hci_request_cancel_all+0xcc/0x2d0 [ 78.343565][ T4326] hci_dev_do_close+0x54/0x1060 [ 78.344665][ T4326] hci_rfkill_set_block+0xdc/0x1d0 [ 78.345739][ T4326] rfkill_set_block+0x18c/0x37c [ 78.346703][ T4326] rfkill_fop_write+0x594/0x750 [ 78.347772][ T4326] vfs_write+0x280/0xb44 [ 78.348718][ T4326] ksys_write+0x15c/0x26c [ 78.349645][ T4326] __arm64_sys_write+0x7c/0x90 [ 78.350727][ T4326] invoke_syscall+0x98/0x2b8 [ 78.351766][ T4326] el0_svc_common+0x138/0x258 [ 78.352821][ T4326] do_el0_svc+0x58/0x14c [ 78.353761][ T4326] el0_svc+0x7c/0x1f0 [ 78.354606][ T4326] el0t_64_sync_handler+0x84/0xe4 [ 78.355785][ T4326] el0t_64_sync+0x1a0/0x1a4 [ 78.356813][ T4326] [ 78.356813][ T4326] other info that might help us debug this: [ 78.356813][ T4326] [ 78.358832][ T4326] Chain exists of: [ 78.358832][ T4326] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 78.358832][ T4326] [ 78.361920][ T4326] Possible unsafe locking scenario: [ 78.361920][ T4326] [ 78.363360][ T4326] CPU0 CPU1 [ 78.364461][ T4326] ---- ---- [ 78.365565][ T4326] lock(rfkill_global_mutex); [ 78.366486][ T4326] lock(&data->open_mutex); [ 78.367886][ T4326] lock(rfkill_global_mutex); [ 78.369326][ T4326] lock((work_completion)(&hdev->bg_scan_update)); [ 78.370589][ T4326] [ 78.370589][ T4326] *** DEADLOCK *** [ 78.370589][ T4326] [ 78.372194][ T4326] 1 lock held by syz.0.15/4326: [ 78.373157][ T4326] #0: ffff800016e76f28 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 78.375239][ T4326] [ 78.375239][ T4326] stack backtrace: [ 78.376359][ T4326] CPU: 1 PID: 4326 Comm: syz.0.15 Not tainted 5.15.170-syzkaller #0 [ 78.377885][ T4326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 78.379829][ T4326] Call trace: [ 78.380469][ T4326] dump_backtrace+0x0/0x530 [ 78.381351][ T4326] show_stack+0x2c/0x3c [ 78.382169][ T4326] dump_stack_lvl+0x108/0x170 [ 78.383059][ T4326] dump_stack+0x1c/0x58 [ 78.383866][ T4326] print_circular_bug+0x150/0x1b8 [ 78.384868][ T4326] check_noncircular+0x2cc/0x378 [ 78.385837][ T4326] __lock_acquire+0x32d4/0x7638 [ 78.386777][ T4326] lock_acquire+0x240/0x77c [ 78.387643][ T4326] __flush_work+0xf8/0x1c0 [ 78.388497][ T4326] __cancel_work_timer+0x3ec/0x548 [ 78.389547][ T4326] cancel_work_sync+0x24/0x38 [ 78.390478][ T4326] hci_request_cancel_all+0xcc/0x2d0 [ 78.391497][ T4326] hci_dev_do_close+0x54/0x1060 [ 78.392431][ T4326] hci_rfkill_set_block+0xdc/0x1d0 [ 78.393429][ T4326] rfkill_set_block+0x18c/0x37c [ 78.394351][ T4326] rfkill_fop_write+0x594/0x750 [ 78.395311][ T4326] vfs_write+0x280/0xb44 [ 78.396186][ T4326] ksys_write+0x15c/0x26c [ 78.396990][ T4326] __arm64_sys_write+0x7c/0x90 [ 78.398021][ T4326] invoke_syscall+0x98/0x2b8 [ 78.398893][ T4326] el0_svc_common+0x138/0x258 [ 78.399802][ T4326] do_el0_svc+0x58/0x14c [ 78.400618][ T4326] el0_svc+0x7c/0x1f0 [ 78.401394][ T4326] el0t_64_sync_handler+0x84/0xe4 [ 78.402474][ T4326] el0t_64_sync+0x1a0/0x1a4