Warning: Permanently added '10.128.1.190' (ED25519) to the list of known hosts. 2025/03/21 16:12:06 ignoring optional flag "sandboxArg"="0" 2025/03/21 16:12:07 parsed 1 programs [ 57.905650][ T4168] cgroup: Unknown subsys name 'net' [ 58.051869][ T4168] cgroup: Unknown subsys name 'rlimit' [ 59.469832][ T4168] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 62.333483][ T1252] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.352660][ T1252] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.370443][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 62.388520][ T155] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.397480][ T155] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.409203][ T1252] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 62.715199][ T4219] chnl_net:caif_netlink_parms(): no params data found [ 62.779072][ T4219] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.786724][ T4219] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.794890][ T4219] device bridge_slave_0 entered promiscuous mode [ 62.805949][ T4219] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.813320][ T4219] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.821365][ T4219] device bridge_slave_1 entered promiscuous mode [ 62.843376][ T4219] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.855229][ T4219] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.894126][ T4219] team0: Port device team_slave_0 added [ 62.907367][ T4219] team0: Port device team_slave_1 added [ 62.998219][ T4219] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.005279][ T4219] 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. [ 63.033090][ T4219] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.054694][ T4219] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.061692][ T4219] 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. [ 63.088244][ T4219] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.118754][ T4219] device hsr_slave_0 entered promiscuous mode [ 63.125559][ T4219] device hsr_slave_1 entered promiscuous mode [ 63.212706][ T4219] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.223096][ T4219] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.232258][ T4219] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.242275][ T4219] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.264803][ T4219] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.272022][ T4219] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.280081][ T4219] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.287288][ T4219] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.332472][ T4219] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.341946][ T1252] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.350179][ T1252] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.364988][ T1252] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.373931][ T1252] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.400830][ T4219] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.410785][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.420134][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.428753][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.435847][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.448832][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.457718][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.466281][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.473342][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.485002][ T1252] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.517112][ T1252] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.528371][ T1252] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.537024][ T1252] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.545393][ T1252] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.557489][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.566298][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.595648][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.604664][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.617992][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.627007][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.637336][ T4219] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.735300][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.743231][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.756500][ T4219] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.791429][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.800741][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.821344][ T4219] device veth0_vlan entered promiscuous mode [ 63.828552][ T1252] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.838116][ T1252] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.847407][ T1252] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.855087][ T1252] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.884874][ T4219] device veth1_vlan entered promiscuous mode [ 63.903883][ T1252] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.911987][ T1252] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.920476][ T1252] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.930631][ T1252] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.941512][ T4219] device veth0_macvtap entered promiscuous mode [ 63.952665][ T4219] device veth1_macvtap entered promiscuous mode [ 63.978971][ T4219] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.987697][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.995725][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.003699][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.012660][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.024006][ T4219] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.033345][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.042319][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.072071][ T4219] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.082035][ T4219] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.091014][ T4219] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.099893][ T4219] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.212945][ T4219] syz-executor (4219) used greatest stack depth: 19256 bytes left 2025/03/21 16:12:17 executed programs: 0 [ 65.616767][ T4261] chnl_net:caif_netlink_parms(): no params data found [ 65.673948][ T4261] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.681168][ T4261] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.689621][ T4261] device bridge_slave_0 entered promiscuous mode [ 65.698334][ T4261] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.705477][ T4261] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.714088][ T4261] device bridge_slave_1 entered promiscuous mode [ 65.738193][ T4261] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.750815][ T4261] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.777844][ T4261] team0: Port device team_slave_0 added [ 65.786612][ T4261] team0: Port device team_slave_1 added [ 65.808025][ T4261] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.817918][ T4261] 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. [ 65.847384][ T4261] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.862271][ T4261] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.870805][ T4261] 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. [ 65.900471][ T4261] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.938079][ T4261] device hsr_slave_0 entered promiscuous mode [ 65.946824][ T4261] device hsr_slave_1 entered promiscuous mode [ 65.953268][ T4261] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.961761][ T4261] Cannot create hsr debugfs directory [ 65.988719][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.496906][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 68.973098][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.025475][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.104145][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.576027][ T4235] Bluetooth: hci0: command 0x041b tx timeout [ 69.947661][ T4261] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.956853][ T4261] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.980038][ T4261] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.990309][ T4261] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.052974][ T4261] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.071028][ T4261] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.080481][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.088314][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.111226][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.120508][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.129272][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.136375][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.144521][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.153597][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.162320][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.169550][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.178077][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.199128][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.211556][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.222540][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.232547][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.242103][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.253988][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.263035][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.278133][ T9] device hsr_slave_0 left promiscuous mode [ 70.284480][ T9] device hsr_slave_1 left promiscuous mode [ 70.291814][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 70.299428][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 70.308170][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 70.315564][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 70.323492][ T9] device bridge_slave_1 left promiscuous mode [ 70.330601][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.344216][ T9] device bridge_slave_0 left promiscuous mode [ 70.350545][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.367794][ T9] device veth1_macvtap left promiscuous mode [ 70.373976][ T9] device veth0_macvtap left promiscuous mode [ 70.380262][ T9] device veth1_vlan left promiscuous mode [ 70.386824][ T9] device veth0_vlan left promiscuous mode [ 70.539926][ T9] team0 (unregistering): Port device team_slave_1 removed [ 70.553419][ T9] team0 (unregistering): Port device team_slave_0 removed [ 70.565419][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 70.578901][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 70.632719][ T9] bond0 (unregistering): Released all slaves [ 70.713605][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.721945][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.734118][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.742643][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.753825][ T4261] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.847999][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.855431][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.868281][ T4261] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.885559][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.894739][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.913268][ T4261] device veth0_vlan entered promiscuous mode [ 70.921715][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.930207][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.942117][ T4261] device veth1_vlan entered promiscuous mode [ 70.964401][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.972343][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.980787][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.988792][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.997175][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 71.005487][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.019618][ T4261] device veth0_macvtap entered promiscuous mode [ 71.028758][ T4261] device veth1_macvtap entered promiscuous mode [ 71.043290][ T4261] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.050869][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.060214][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 71.068437][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.077431][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.089068][ T4261] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.101510][ T4261] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.110375][ T4261] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.119236][ T4261] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.128127][ T4261] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.140691][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.149641][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.180299][ T1423] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.186900][ T1423] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.221360][ T155] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.241795][ T155] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.263027][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.274259][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.283465][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.292457][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.449769][ T4306] [ 71.452133][ T4306] ====================================================== [ 71.459149][ T4306] WARNING: possible circular locking dependency detected [ 71.466164][ T4306] 5.15.179-syzkaller #0 Not tainted [ 71.471353][ T4306] ------------------------------------------------------ [ 71.478361][ T4306] syz.0.16/4306 is trying to acquire lock: [ 71.484155][ T4306] ffff88801a3acc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcf/0x1a0 [ 71.495230][ T4306] [ 71.495230][ T4306] but task is already holding lock: [ 71.502587][ T4306] ffffffff8ded1648 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 71.512268][ T4306] [ 71.512268][ T4306] which lock already depends on the new lock. [ 71.512268][ T4306] [ 71.522682][ T4306] [ 71.522682][ T4306] the existing dependency chain (in reverse order) is: [ 71.531691][ T4306] [ 71.531691][ T4306] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 71.539686][ T4306] lock_acquire+0x1db/0x4f0 [ 71.544711][ T4306] __mutex_lock_common+0x1da/0x25a0 [ 71.550434][ T4306] mutex_lock_nested+0x17/0x20 [ 71.555725][ T4306] rfkill_register+0x30/0x880 [ 71.560945][ T4306] hci_register_dev+0x4dd/0xa50 [ 71.566325][ T4306] vhci_create_device+0x310/0x590 [ 71.571875][ T4306] vhci_write+0x382/0x430 [ 71.576726][ T4306] vfs_write+0xacd/0xe50 [ 71.581485][ T4306] ksys_write+0x1a2/0x2c0 [ 71.586338][ T4306] do_syscall_64+0x3b/0xb0 [ 71.591271][ T4306] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.597686][ T4306] [ 71.597686][ T4306] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 71.605511][ T4306] lock_acquire+0x1db/0x4f0 [ 71.610542][ T4306] __mutex_lock_common+0x1da/0x25a0 [ 71.616274][ T4306] mutex_lock_nested+0x17/0x20 [ 71.621565][ T4306] vhci_send_frame+0x8a/0xf0 [ 71.626679][ T4306] hci_send_frame+0x1af/0x2f0 [ 71.631877][ T4306] hci_tx_work+0xb2e/0x1a30 [ 71.636909][ T4306] process_one_work+0x8a1/0x10c0 [ 71.642379][ T4306] worker_thread+0xaca/0x1280 [ 71.647575][ T4306] kthread+0x3f6/0x4f0 [ 71.652163][ T4306] ret_from_fork+0x1f/0x30 [ 71.657107][ T4306] [ 71.657107][ T4306] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 71.666326][ T4306] lock_acquire+0x1db/0x4f0 [ 71.671355][ T4306] __flush_work+0xeb/0x1a0 [ 71.676294][ T4306] hci_dev_do_close+0x20a/0x1070 [ 71.681747][ T4306] hci_unregister_dev+0x2d7/0x580 [ 71.687291][ T4306] vhci_release+0x73/0xc0 [ 71.692145][ T4306] __fput+0x3fe/0x8e0 [ 71.696645][ T4306] task_work_run+0x129/0x1a0 [ 71.701762][ T4306] do_exit+0x6a3/0x2480 [ 71.706446][ T4306] do_group_exit+0x144/0x310 [ 71.711566][ T4306] get_signal+0xc66/0x14e0 [ 71.716502][ T4306] arch_do_signal_or_restart+0xc3/0x1890 [ 71.722657][ T4306] exit_to_user_mode_loop+0x97/0x130 [ 71.728455][ T4306] exit_to_user_mode_prepare+0xb1/0x140 [ 71.734529][ T4306] syscall_exit_to_user_mode+0x5d/0x240 [ 71.740581][ T4306] do_syscall_64+0x47/0xb0 [ 71.745508][ T4306] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.751907][ T4306] [ 71.751907][ T4306] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 71.759630][ T4306] lock_acquire+0x1db/0x4f0 [ 71.764649][ T4306] __mutex_lock_common+0x1da/0x25a0 [ 71.770367][ T4306] mutex_lock_nested+0x17/0x20 [ 71.775646][ T4306] bg_scan_update+0xa1/0x4a0 [ 71.780750][ T4306] process_one_work+0x8a1/0x10c0 [ 71.786288][ T4306] worker_thread+0xaca/0x1280 [ 71.791479][ T4306] kthread+0x3f6/0x4f0 [ 71.796070][ T4306] ret_from_fork+0x1f/0x30 [ 71.800997][ T4306] [ 71.800997][ T4306] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 71.810802][ T4306] validate_chain+0x1649/0x5930 [ 71.816163][ T4306] __lock_acquire+0x1295/0x1ff0 [ 71.821524][ T4306] lock_acquire+0x1db/0x4f0 [ 71.826535][ T4306] __flush_work+0xeb/0x1a0 [ 71.831464][ T4306] __cancel_work_timer+0x519/0x6a0 [ 71.837086][ T4306] hci_request_cancel_all+0xcb/0x300 [ 71.842877][ T4306] hci_dev_do_close+0x51/0x1070 [ 71.848241][ T4306] hci_rfkill_set_block+0x114/0x1a0 [ 71.853955][ T4306] rfkill_set_block+0x1e7/0x430 [ 71.859316][ T4306] rfkill_fop_write+0x5b7/0x790 [ 71.864675][ T4306] vfs_write+0x30c/0xe50 [ 71.869428][ T4306] ksys_write+0x1a2/0x2c0 [ 71.874270][ T4306] do_syscall_64+0x3b/0xb0 [ 71.879197][ T4306] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.885604][ T4306] [ 71.885604][ T4306] other info that might help us debug this: [ 71.885604][ T4306] [ 71.895815][ T4306] Chain exists of: [ 71.895815][ T4306] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 71.895815][ T4306] [ 71.911536][ T4306] Possible unsafe locking scenario: [ 71.911536][ T4306] [ 71.918969][ T4306] CPU0 CPU1 [ 71.924328][ T4306] ---- ---- [ 71.929673][ T4306] lock(rfkill_global_mutex); [ 71.934446][ T4306] lock(&data->open_mutex); [ 71.941555][ T4306] lock(rfkill_global_mutex); [ 71.948820][ T4306] lock((work_completion)(&hdev->bg_scan_update)); [ 71.955397][ T4306] [ 71.955397][ T4306] *** DEADLOCK *** [ 71.955397][ T4306] [ 71.963523][ T4306] 1 lock held by syz.0.16/4306: [ 71.968354][ T4306] #0: ffffffff8ded1648 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 71.978430][ T4306] [ 71.978430][ T4306] stack backtrace: [ 71.984317][ T4306] CPU: 1 PID: 4306 Comm: syz.0.16 Not tainted 5.15.179-syzkaller #0 [ 71.992287][ T4306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 72.002341][ T4306] Call Trace: [ 72.005609][ T4306] [ 72.008529][ T4306] dump_stack_lvl+0x1e3/0x2d0 [ 72.013199][ T4306] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 72.018844][ T4306] ? print_circular_bug+0x12b/0x1a0 [ 72.024039][ T4306] check_noncircular+0x2f8/0x3b0 [ 72.028969][ T4306] ? add_chain_block+0x850/0x850 [ 72.033898][ T4306] ? lockdep_lock+0x11f/0x2a0 [ 72.038568][ T4306] validate_chain+0x1649/0x5930 [ 72.043421][ T4306] ? __lock_acquire+0x1295/0x1ff0 [ 72.048437][ T4306] ? reacquire_held_locks+0x660/0x660 [ 72.053812][ T4306] ? mark_lock+0x98/0x340 [ 72.058143][ T4306] ? look_up_lock_class+0x77/0x120 [ 72.063248][ T4306] ? register_lock_class+0x100/0x9a0 [ 72.068520][ T4306] ? mark_lock+0x98/0x340 [ 72.072841][ T4306] ? is_dynamic_key+0x1f0/0x1f0 [ 72.077676][ T4306] ? __lock_acquire+0x1295/0x1ff0 [ 72.082695][ T4306] ? mark_lock+0x98/0x340 [ 72.087023][ T4306] __lock_acquire+0x1295/0x1ff0 [ 72.091878][ T4306] lock_acquire+0x1db/0x4f0 [ 72.096371][ T4306] ? __flush_work+0xcf/0x1a0 [ 72.100953][ T4306] ? rcu_lock_release+0x5/0x20 [ 72.105709][ T4306] ? read_lock_is_recursive+0x10/0x10 [ 72.111079][ T4306] ? start_flush_work+0x776/0x820 [ 72.116111][ T4306] __flush_work+0xeb/0x1a0 [ 72.120519][ T4306] ? __flush_work+0xcf/0x1a0 [ 72.125097][ T4306] ? flush_work+0x20/0x20 [ 72.129425][ T4306] ? print_irqtrace_events+0x210/0x210 [ 72.134873][ T4306] ? lock_timer_base+0x260/0x260 [ 72.139807][ T4306] ? __cancel_work_timer+0x467/0x6a0 [ 72.145082][ T4306] __cancel_work_timer+0x519/0x6a0 [ 72.150200][ T4306] ? cancel_work_sync+0x20/0x20 [ 72.155056][ T4306] ? lockdep_hardirqs_on+0x94/0x130 [ 72.160252][ T4306] ? __cancel_work+0x2ef/0x380 [ 72.165009][ T4306] ? cancel_work+0x20/0x20 [ 72.169409][ T4306] ? print_irqtrace_events+0x210/0x210 [ 72.174857][ T4306] hci_request_cancel_all+0xcb/0x300 [ 72.180137][ T4306] hci_dev_do_close+0x51/0x1070 [ 72.184979][ T4306] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 72.190860][ T4306] ? _raw_spin_unlock+0x40/0x40 [ 72.195699][ T4306] ? kmem_cache_alloc_trace+0x143/0x290 [ 72.201237][ T4306] hci_rfkill_set_block+0x114/0x1a0 [ 72.206433][ T4306] ? rcu_lock_release+0x20/0x20 [ 72.211336][ T4306] rfkill_set_block+0x1e7/0x430 [ 72.216210][ T4306] rfkill_fop_write+0x5b7/0x790 [ 72.221060][ T4306] ? mark_lock+0x98/0x340 [ 72.225411][ T4306] ? rfkill_fop_read+0x470/0x470 [ 72.230350][ T4306] ? fsnotify_perm+0x64/0x590 [ 72.235025][ T4306] ? security_file_permission+0x75/0xa0 [ 72.240569][ T4306] ? rfkill_fop_read+0x470/0x470 [ 72.245514][ T4306] vfs_write+0x30c/0xe50 [ 72.249766][ T4306] ? file_end_write+0x250/0x250 [ 72.254732][ T4306] ? read_lock_is_recursive+0x10/0x10 [ 72.260110][ T4306] ? __context_tracking_exit+0x4c/0x80 [ 72.265568][ T4306] ? __lock_acquire+0x1ff0/0x1ff0 [ 72.270595][ T4306] ? __fdget_pos+0x1e9/0x380 [ 72.275283][ T4306] ksys_write+0x1a2/0x2c0 [ 72.279622][ T4306] ? print_irqtrace_events+0x210/0x210 [ 72.285084][ T4306] ? __ia32_sys_read+0x80/0x80 [ 72.289848][ T4306] ? syscall_enter_from_user_mode+0x2e/0x240 [ 72.295841][ T4306] ? lockdep_hardirqs_on+0x94/0x130 [ 72.301032][ T4306] ? syscall_enter_from_user_mode+0x2e/0x240 [ 72.307007][ T4306] do_syscall_64+0x3b/0xb0 [ 72.311432][ T4306] ? clear_bhb_loop+0x15/0x70 [ 72.316108][ T4306] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 72.322011][ T4306] RIP: 0033:0x7ff7c58b7169 [ 72.326422][ T4306] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 72.346014][ T4306] RSP: 002b:00007fff4aa77218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.354428][ T4306] RAX: ffffffffffffffda RBX: 00007ff7c5acffa0 RCX: 00007ff7c58b7169 [ 72.362390][ T4306] RDX: 0000000000000008 RSI: 0000200000000080 RDI: 0000000000000003 [ 72.370349][ T4306] RBP: 00007ff7c59382a0 R08: 0000000000000000 R09: 0000000000000000 [ 72.378308][ T4306] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 72.386276][ T4306] R13: 00007ff7c5acffa0 R14: 00007ff7c5acffa0 R15: 0000000000000003 [ 72.394257][ T4306] [ 72.415724][ T4235] Bluetooth: hci0: command 0x040f tx timeout