Warning: Permanently added '10.128.1.163' (ED25519) to the list of known hosts. 1970/01/01 00:00:47 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:47 parsed 1 programs [ 50.231844][ T4021] cgroup: Unknown subsys name 'net' [ 50.489273][ T4021] cgroup: Unknown subsys name 'rlimit' [ 50.808093][ T4021] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 62.361201][ T400] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.363304][ T400] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.366748][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 62.380304][ T400] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.382327][ T400] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.386092][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.845379][ T4087] chnl_net:caif_netlink_parms(): no params data found [ 63.894667][ T4087] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.896567][ T4087] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.899131][ T4087] device bridge_slave_0 entered promiscuous mode [ 63.903791][ T4087] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.905585][ T4087] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.907909][ T4087] device bridge_slave_1 entered promiscuous mode [ 63.923629][ T4087] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.928050][ T4087] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.944255][ T4087] team0: Port device team_slave_0 added [ 63.947910][ T4087] team0: Port device team_slave_1 added [ 63.961416][ T4087] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.963467][ 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. [ 63.969611][ T4087] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.974067][ T4087] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.975945][ 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. [ 63.981896][ T4087] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.035355][ T4087] device hsr_slave_0 entered promiscuous mode [ 64.073413][ T4087] device hsr_slave_1 entered promiscuous mode [ 64.197365][ T4087] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.247314][ T4087] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.315569][ T4087] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.366559][ T4087] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.432507][ T4087] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.434654][ T4087] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.436990][ T4087] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.438759][ T4087] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.445478][ T400] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.449275][ T400] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.496145][ T4087] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.503563][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.507577][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.512654][ T4087] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.517896][ T1808] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.520569][ T1808] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.523592][ T1808] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.525490][ T1808] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.530603][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.534373][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.536744][ T400] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.538527][ T400] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.545594][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.553371][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.555954][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.558846][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.561434][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.576350][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.579698][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.582392][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.586656][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.589318][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.592865][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.598226][ T4087] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.673157][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.675147][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.680950][ T4087] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.692361][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.696518][ T400] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.710322][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.712781][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.718612][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.720849][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.725445][ T4087] device veth0_vlan entered promiscuous mode [ 64.731288][ T4087] device veth1_vlan entered promiscuous mode [ 64.745761][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.748289][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.750621][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.754559][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.759483][ T4087] device veth0_macvtap entered promiscuous mode [ 64.765249][ T4087] device veth1_macvtap entered promiscuous mode [ 64.776093][ T4087] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.778128][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.780617][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.783366][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.785886][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.790587][ T4087] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.794445][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.797041][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.800850][ T4087] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.804446][ T4087] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.806683][ T4087] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.808713][ T4087] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:04 executed programs: 0 [ 64.891414][ T154] ODEBUG: Out of memory. ODEBUG disabled [ 64.998754][ T4101] chnl_net:caif_netlink_parms(): no params data found [ 65.043795][ T4101] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.045635][ T4101] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.049397][ T4101] device bridge_slave_0 entered promiscuous mode [ 65.056860][ T4101] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.058727][ T4101] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.061303][ T4101] device bridge_slave_1 entered promiscuous mode [ 65.118139][ T4101] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.121999][ T4101] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.136102][ T4101] team0: Port device team_slave_0 added [ 65.138965][ T4101] team0: Port device team_slave_1 added [ 65.174213][ T4101] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.176047][ T4101] 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. [ 65.182512][ T4101] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.187045][ T4101] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.188551][ T4101] 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. [ 65.195072][ T4101] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.244933][ T4101] device hsr_slave_0 entered promiscuous mode [ 65.293213][ T4101] device hsr_slave_1 entered promiscuous mode [ 65.333014][ T4101] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.335040][ T4101] Cannot create hsr debugfs directory [ 65.417787][ T4101] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.913575][ T4124] Bluetooth: hci0: command 0x0409 tx timeout [ 67.969342][ T4101] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.993094][ T4114] Bluetooth: hci0: command 0x041b tx timeout [ 69.634953][ T1534] cfg80211: failed to load regulatory.db [ 69.645146][ T2057] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.646932][ T2057] ieee802154 phy1 wpan1: encryption failed: -22 [ 70.437715][ T4101] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.500407][ T4101] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.680770][ T4101] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.724860][ T4101] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.765008][ T4101] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.814899][ T4101] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.897981][ T4101] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.905018][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.907358][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.911874][ T4101] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.920517][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.922847][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.926512][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.928095][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.931044][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.936810][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.939337][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.941745][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.943644][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.960551][ T4101] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.962859][ T4101] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.968237][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.970820][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.975410][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.978498][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.980843][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.986420][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.989006][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.991452][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.994816][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.997312][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.000044][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.002457][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.076107][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.078076][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.083343][ T7] Bluetooth: hci0: command 0x040f tx timeout [ 71.083734][ T4101] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.096057][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.098694][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.111067][ T4101] device veth0_vlan entered promiscuous mode [ 71.113755][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.118838][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.121637][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.125264][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.130936][ T4101] device veth1_vlan entered promiscuous mode [ 71.143251][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.148076][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.150605][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.174505][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.178776][ T4101] device veth0_macvtap entered promiscuous mode [ 71.182444][ T4101] device veth1_macvtap entered promiscuous mode [ 71.194727][ T4101] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 71.197496][ T4101] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.201640][ T4101] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.214979][ T4101] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 71.217313][ T4101] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 71.220457][ T4101] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.222240][ T1808] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.225490][ T1808] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.228033][ T1808] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.230732][ T1808] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.235353][ T1808] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.237914][ T1808] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.243304][ T4101] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.245410][ T4101] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.247477][ T4101] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.249640][ T4101] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.303195][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.305164][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.307541][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.327904][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.329923][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.332392][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.422361][ T4132] [ 71.422996][ T4132] ====================================================== [ 71.424804][ T4132] WARNING: possible circular locking dependency detected [ 71.426658][ T4132] 5.15.167-syzkaller #0 Not tainted [ 71.427998][ T4132] ------------------------------------------------------ [ 71.429828][ T4132] syz.0.15/4132 is trying to acquire lock: [ 71.431391][ T4132] ffff0000dc028c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xd0/0x1c0 [ 71.434162][ T4132] [ 71.434162][ T4132] but task is already holding lock: [ 71.435950][ T4132] ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 71.438200][ T4132] [ 71.438200][ T4132] which lock already depends on the new lock. [ 71.438200][ T4132] [ 71.440750][ T4132] [ 71.440750][ T4132] the existing dependency chain (in reverse order) is: [ 71.443180][ T4132] [ 71.443180][ T4132] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 71.445243][ T4132] __mutex_lock_common+0x194/0x2154 [ 71.446714][ T4132] mutex_lock_nested+0xa4/0xf8 [ 71.447995][ T4132] rfkill_register+0x44/0x7a4 [ 71.449278][ T4132] hci_register_dev+0x3e0/0x880 [ 71.450619][ T4132] vhci_create_device+0x2c4/0x568 [ 71.452049][ T4132] vhci_write+0x318/0x3b8 [ 71.453312][ T4132] vfs_write+0x884/0xb44 [ 71.454439][ T4132] ksys_write+0x15c/0x26c [ 71.455654][ T4132] __arm64_sys_write+0x7c/0x90 [ 71.457088][ T4132] invoke_syscall+0x98/0x2b8 [ 71.458363][ T4132] el0_svc_common+0x138/0x258 [ 71.459589][ T4132] do_el0_svc+0x58/0x14c [ 71.460793][ T4132] el0_svc+0x7c/0x1f0 [ 71.461906][ T4132] el0t_64_sync_handler+0x84/0xe4 [ 71.463336][ T4132] el0t_64_sync+0x1a0/0x1a4 [ 71.464645][ T4132] [ 71.464645][ T4132] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 71.466697][ T4132] __mutex_lock_common+0x194/0x2154 [ 71.468182][ T4132] mutex_lock_nested+0xa4/0xf8 [ 71.469471][ T4132] vhci_send_frame+0x8c/0x10c [ 71.470820][ T4132] hci_send_frame+0x194/0x2f0 [ 71.472153][ T4132] hci_tx_work+0x9ac/0x16cc [ 71.473468][ T4132] process_one_work+0x790/0x11b8 [ 71.474861][ T4132] worker_thread+0x910/0x1034 [ 71.476206][ T4132] kthread+0x37c/0x45c [ 71.477311][ T4132] ret_from_fork+0x10/0x20 [ 71.478374][ T4132] [ 71.478374][ T4132] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 71.480689][ T4132] __flush_work+0xf8/0x1c0 [ 71.481914][ T4132] flush_work+0x24/0x38 [ 71.483015][ T4132] hci_dev_do_close+0x16c/0x1060 [ 71.484357][ T4132] hci_unregister_dev+0x248/0x4d4 [ 71.485904][ T4132] vhci_release+0x74/0xc4 [ 71.487207][ T4132] __fput+0x1c4/0x800 [ 71.488343][ T4132] ____fput+0x20/0x30 [ 71.489523][ T4132] task_work_run+0x130/0x1e4 [ 71.490806][ T4132] do_exit+0x670/0x20bc [ 71.492043][ T4132] do_group_exit+0x110/0x268 [ 71.493321][ T4132] get_signal+0x634/0x1550 [ 71.494580][ T4132] do_notify_resume+0x3d0/0x32b8 [ 71.495959][ T4132] el0_svc+0xfc/0x1f0 [ 71.497101][ T4132] el0t_64_sync_handler+0x84/0xe4 [ 71.498457][ T4132] el0t_64_sync+0x1a0/0x1a4 [ 71.499692][ T4132] [ 71.499692][ T4132] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 71.501602][ T4132] __mutex_lock_common+0x194/0x2154 [ 71.503071][ T4132] mutex_lock_nested+0xa4/0xf8 [ 71.504420][ T4132] bg_scan_update+0x9c/0x470 [ 71.505722][ T4132] process_one_work+0x790/0x11b8 [ 71.507223][ T4132] worker_thread+0x910/0x1034 [ 71.508582][ T4132] kthread+0x37c/0x45c [ 71.509788][ T4132] ret_from_fork+0x10/0x20 [ 71.511012][ T4132] [ 71.511012][ T4132] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 71.513555][ T4132] __lock_acquire+0x32d4/0x7638 [ 71.514755][ T4132] lock_acquire+0x240/0x77c [ 71.515971][ T4132] __flush_work+0xf8/0x1c0 [ 71.517202][ T4132] __cancel_work_timer+0x3ec/0x548 [ 71.518637][ T4132] cancel_work_sync+0x24/0x38 [ 71.519899][ T4132] hci_request_cancel_all+0xcc/0x2d0 [ 71.521428][ T4132] hci_dev_do_close+0x54/0x1060 [ 71.522843][ T4132] hci_rfkill_set_block+0xdc/0x1d0 [ 71.524368][ T4132] rfkill_set_block+0x18c/0x37c [ 71.525601][ T4132] rfkill_fop_write+0x594/0x750 [ 71.527021][ T4132] vfs_write+0x280/0xb44 [ 71.528306][ T4132] ksys_write+0x15c/0x26c [ 71.529507][ T4132] __arm64_sys_write+0x7c/0x90 [ 71.530861][ T4132] invoke_syscall+0x98/0x2b8 [ 71.532179][ T4132] el0_svc_common+0x138/0x258 [ 71.533611][ T4132] do_el0_svc+0x58/0x14c [ 71.534827][ T4132] el0_svc+0x7c/0x1f0 [ 71.535954][ T4132] el0t_64_sync_handler+0x84/0xe4 [ 71.537464][ T4132] el0t_64_sync+0x1a0/0x1a4 [ 71.538772][ T4132] [ 71.538772][ T4132] other info that might help us debug this: [ 71.538772][ T4132] [ 71.541376][ T4132] Chain exists of: [ 71.541376][ T4132] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 71.541376][ T4132] [ 71.545343][ T4132] Possible unsafe locking scenario: [ 71.545343][ T4132] [ 71.547084][ T4132] CPU0 CPU1 [ 71.548423][ T4132] ---- ---- [ 71.549738][ T4132] lock(rfkill_global_mutex); [ 71.550928][ T4132] lock(&data->open_mutex); [ 71.552687][ T4132] lock(rfkill_global_mutex); [ 71.554523][ T4132] lock((work_completion)(&hdev->bg_scan_update)); [ 71.556194][ T4132] [ 71.556194][ T4132] *** DEADLOCK *** [ 71.556194][ T4132] [ 71.558198][ T4132] 1 lock held by syz.0.15/4132: [ 71.559397][ T4132] #0: ffff800016e75ba8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 [ 71.561970][ T4132] [ 71.561970][ T4132] stack backtrace: [ 71.563457][ T4132] CPU: 1 PID: 4132 Comm: syz.0.15 Not tainted 5.15.167-syzkaller #0 [ 71.565424][ T4132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 71.567934][ T4132] Call trace: [ 71.568797][ T4132] dump_backtrace+0x0/0x530 [ 71.570019][ T4132] show_stack+0x2c/0x3c [ 71.571120][ T4132] dump_stack_lvl+0x108/0x170 [ 71.572300][ T4132] dump_stack+0x1c/0x58 [ 71.573350][ T4132] print_circular_bug+0x150/0x1b8 [ 71.574544][ T4132] check_noncircular+0x2cc/0x378 [ 71.575800][ T4132] __lock_acquire+0x32d4/0x7638 [ 71.577063][ T4132] lock_acquire+0x240/0x77c [ 71.578270][ T4132] __flush_work+0xf8/0x1c0 [ 71.579385][ T4132] __cancel_work_timer+0x3ec/0x548 [ 71.580720][ T4132] cancel_work_sync+0x24/0x38 [ 71.581885][ T4132] hci_request_cancel_all+0xcc/0x2d0 [ 71.583234][ T4132] hci_dev_do_close+0x54/0x1060 [ 71.584547][ T4132] hci_rfkill_set_block+0xdc/0x1d0 [ 71.585912][ T4132] rfkill_set_block+0x18c/0x37c [ 71.587219][ T4132] rfkill_fop_write+0x594/0x750 [ 71.588408][ T4132] vfs_write+0x280/0xb44 [ 71.589451][ T4132] ksys_write+0x15c/0x26c [ 71.590575][ T4132] __arm64_sys_write+0x7c/0x90 [ 71.591731][ T4132] invoke_syscall+0x98/0x2b8 [ 71.592870][ T4132] el0_svc_common+0x138/0x258 [ 71.594017][ T4132] do_el0_svc+0x58/0x14c [ 71.595110][ T4132] el0_svc+0x7c/0x1f0 [ 71.596163][ T4132] el0t_64_sync_handler+0x84/0xe4 [ 71.597502][ T4132] el0t_64_sync+0x1a0/0x1a4