Warning: Permanently added '10.128.0.136' (ED25519) to the list of known hosts. 2024/10/20 06:40:23 ignoring optional flag "sandboxArg"="0" 2024/10/20 06:40:24 parsed 1 programs [ 52.454279][ T3578] cgroup: Unknown subsys name 'net' [ 52.613372][ T3578] cgroup: Unknown subsys name 'rlimit' [ 53.778720][ T3578] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 55.399322][ T3603] syz-executor (3603) used greatest stack depth: 19736 bytes left [ 55.814647][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.833027][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.847781][ T547] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 55.864322][ T547] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.873273][ T547] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.882277][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 56.057788][ T3628] chnl_net:caif_netlink_parms(): no params data found [ 56.118746][ T3628] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.126455][ T3628] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.134867][ T3628] device bridge_slave_0 entered promiscuous mode [ 56.144465][ T3628] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.151650][ T3628] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.159739][ T3628] device bridge_slave_1 entered promiscuous mode [ 56.186838][ T3628] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.198170][ T3628] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.226262][ T3628] team0: Port device team_slave_0 added [ 56.234616][ T3628] team0: Port device team_slave_1 added [ 56.259297][ T3628] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.266249][ T3628] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 56.294069][ T3628] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.306964][ T3628] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.313986][ T3628] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 56.340745][ T3628] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.381514][ T3628] device hsr_slave_0 entered promiscuous mode [ 56.388599][ T3628] device hsr_slave_1 entered promiscuous mode [ 56.506602][ T3628] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.518201][ T3628] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.527075][ T3628] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.536928][ T3628] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.617307][ T3628] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.673638][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.681640][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.696696][ T3628] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.715863][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.730178][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.748221][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.755458][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.764269][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.773290][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.782123][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.789184][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.797218][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.809161][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.820588][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.831477][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.840564][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.849536][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.865177][ T3628] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.876974][ T3628] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.890131][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.899015][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.907433][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.917168][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.925923][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.982817][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.990517][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.002352][ T3628] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.020345][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 57.035969][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 57.045149][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.053397][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.081494][ T3628] device veth0_vlan entered promiscuous mode [ 57.092479][ T3628] device veth1_vlan entered promiscuous mode [ 57.111409][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.119544][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.127588][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.156391][ T3628] device veth0_macvtap entered promiscuous mode [ 57.166024][ T3628] device veth1_macvtap entered promiscuous mode [ 57.183348][ T3628] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.191230][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.199839][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 57.208834][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.221324][ T3628] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.229789][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 57.239321][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.264500][ T3628] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.273481][ T3628] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.283169][ T3628] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.292077][ T3628] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.394098][ T3628] syz-executor (3628) used greatest stack depth: 18488 bytes left 2024/10/20 06:40:31 executed programs: 0 [ 58.039950][ T3668] chnl_net:caif_netlink_parms(): no params data found [ 58.099519][ T3668] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.106730][ T3668] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.117605][ T3668] device bridge_slave_0 entered promiscuous mode [ 58.126775][ T3668] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.136858][ T3668] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.144959][ T3668] device bridge_slave_1 entered promiscuous mode [ 58.179001][ T3668] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.190349][ T3668] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.229260][ T3668] team0: Port device team_slave_0 added [ 58.238058][ T3668] team0: Port device team_slave_1 added [ 58.261360][ T3668] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.268599][ T3668] 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. [ 58.295008][ T3668] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.309482][ T3668] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.316431][ T3668] 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. [ 58.342390][ T3668] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.382972][ T3668] device hsr_slave_0 entered promiscuous mode [ 58.389943][ T3668] device hsr_slave_1 entered promiscuous mode [ 58.396585][ T3668] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.407220][ T3668] Cannot create hsr debugfs directory [ 58.507373][ T3668] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.888191][ T3647] Bluetooth: hci0: command 0x0409 tx timeout [ 61.084126][ T3668] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.968521][ T3644] Bluetooth: hci0: command 0x041b tx timeout [ 62.232673][ T3668] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.292762][ T3668] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.431556][ T3668] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.447746][ T3668] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.456731][ T3668] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.466832][ T3668] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.519770][ T3668] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.533000][ T547] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.541753][ T547] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.553068][ T3668] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.572016][ T547] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.580887][ T547] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.589297][ T547] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.596322][ T547] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.604644][ T547] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.616763][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.625772][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.635633][ T1244] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.642735][ T1244] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.665445][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.674374][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.684787][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.695993][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.704992][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.722555][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.731503][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.742151][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.751063][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.764448][ T3668] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.776710][ T3668] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.789383][ T9] device hsr_slave_0 left promiscuous mode [ 62.795773][ T9] device hsr_slave_1 left promiscuous mode [ 62.802365][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 62.809824][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 62.819167][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 62.826561][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 62.834281][ T9] device bridge_slave_1 left promiscuous mode [ 62.841187][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.853740][ T9] device bridge_slave_0 left promiscuous mode [ 62.861124][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.875941][ T9] device veth1_macvtap left promiscuous mode [ 62.882362][ T9] device veth0_macvtap left promiscuous mode [ 62.888541][ T9] device veth1_vlan left promiscuous mode [ 62.894404][ T9] device veth0_vlan left promiscuous mode [ 63.021791][ T9] team0 (unregistering): Port device team_slave_1 removed [ 63.034090][ T9] team0 (unregistering): Port device team_slave_0 removed [ 63.047602][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 63.063753][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 63.111655][ T9] bond0 (unregistering): Released all slaves [ 63.151666][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.160043][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.231688][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.239750][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.250613][ T3668] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.266720][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.275312][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.298466][ T547] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.307287][ T547] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.316970][ T547] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.325408][ T547] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.335261][ T3668] device veth0_vlan entered promiscuous mode [ 63.346192][ T3668] device veth1_vlan entered promiscuous mode [ 63.369198][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.377608][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.385791][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.394834][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.405352][ T3668] device veth0_macvtap entered promiscuous mode [ 63.415835][ T3668] device veth1_macvtap entered promiscuous mode [ 63.434209][ T3668] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.442528][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.451068][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.459385][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.468536][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.478690][ T3668] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.485963][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.495473][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.513389][ T3668] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.522703][ T3668] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.531980][ T3668] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.541073][ T3668] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.610042][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.629246][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.652982][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.663805][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.672686][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.683178][ T1244] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.828111][ T3681] [ 63.830483][ T3681] ====================================================== [ 63.837585][ T3681] WARNING: possible circular locking dependency detected [ 63.844611][ T3681] 5.15.168-syzkaller #0 Not tainted [ 63.849803][ T3681] ------------------------------------------------------ [ 63.856822][ T3681] syz.0.15/3681 is trying to acquire lock: [ 63.862620][ T3681] ffff88807d984c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcf/0x1a0 [ 63.873700][ T3681] [ 63.873700][ T3681] but task is already holding lock: [ 63.881058][ T3681] ffffffff8dcbe328 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 63.890725][ T3681] [ 63.890725][ T3681] which lock already depends on the new lock. [ 63.890725][ T3681] [ 63.901120][ T3681] [ 63.901120][ T3681] the existing dependency chain (in reverse order) is: [ 63.910133][ T3681] [ 63.910133][ T3681] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 63.918120][ T3681] lock_acquire+0x1db/0x4f0 [ 63.923140][ T3681] __mutex_lock_common+0x1da/0x25a0 [ 63.928966][ T3681] mutex_lock_nested+0x17/0x20 [ 63.934270][ T3681] rfkill_register+0x30/0x880 [ 63.939457][ T3681] hci_register_dev+0x4dd/0xa50 [ 63.944830][ T3681] vhci_create_device+0x310/0x590 [ 63.950371][ T3681] vhci_write+0x382/0x430 [ 63.955218][ T3681] vfs_write+0xacd/0xe50 [ 63.959975][ T3681] ksys_write+0x1a2/0x2c0 [ 63.964826][ T3681] do_syscall_64+0x3b/0xb0 [ 63.969761][ T3681] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 63.976181][ T3681] [ 63.976181][ T3681] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 63.983999][ T3681] lock_acquire+0x1db/0x4f0 [ 63.989018][ T3681] __mutex_lock_common+0x1da/0x25a0 [ 63.994748][ T3681] mutex_lock_nested+0x17/0x20 [ 64.000026][ T3681] vhci_send_frame+0x8a/0xf0 [ 64.005133][ T3681] hci_send_frame+0x1af/0x2f0 [ 64.010331][ T3681] hci_tx_work+0xb2e/0x1a30 [ 64.015350][ T3681] process_one_work+0x8a1/0x10c0 [ 64.020800][ T3681] worker_thread+0xaca/0x1280 [ 64.025992][ T3681] kthread+0x3f6/0x4f0 [ 64.030574][ T3681] ret_from_fork+0x1f/0x30 [ 64.035494][ T3681] [ 64.035494][ T3681] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 64.044678][ T3681] lock_acquire+0x1db/0x4f0 [ 64.049684][ T3681] __flush_work+0xeb/0x1a0 [ 64.054600][ T3681] hci_dev_do_close+0x20a/0x1070 [ 64.060041][ T3681] hci_unregister_dev+0x2d7/0x580 [ 64.065567][ T3681] vhci_release+0x73/0xc0 [ 64.070404][ T3681] __fput+0x3fe/0x8e0 [ 64.074887][ T3681] task_work_run+0x129/0x1a0 [ 64.079977][ T3681] do_exit+0x6a3/0x2480 [ 64.084636][ T3681] do_group_exit+0x144/0x310 [ 64.089749][ T3681] get_signal+0xc66/0x14e0 [ 64.094686][ T3681] arch_do_signal_or_restart+0xc3/0x1890 [ 64.100843][ T3681] exit_to_user_mode_loop+0x97/0x130 [ 64.106633][ T3681] exit_to_user_mode_prepare+0xb1/0x140 [ 64.112681][ T3681] syscall_exit_to_user_mode+0x5d/0x240 [ 64.118729][ T3681] do_syscall_64+0x47/0xb0 [ 64.123654][ T3681] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 64.130062][ T3681] [ 64.130062][ T3681] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 64.137691][ T3681] lock_acquire+0x1db/0x4f0 [ 64.142705][ T3681] __mutex_lock_common+0x1da/0x25a0 [ 64.148403][ T3681] mutex_lock_nested+0x17/0x20 [ 64.153665][ T3681] bg_scan_update+0xa1/0x4a0 [ 64.158755][ T3681] process_one_work+0x8a1/0x10c0 [ 64.164191][ T3681] worker_thread+0xaca/0x1280 [ 64.169368][ T3681] kthread+0x3f6/0x4f0 [ 64.173942][ T3681] ret_from_fork+0x1f/0x30 [ 64.178859][ T3681] [ 64.178859][ T3681] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 64.188652][ T3681] validate_chain+0x1649/0x5930 [ 64.194004][ T3681] __lock_acquire+0x1295/0x1ff0 [ 64.199356][ T3681] lock_acquire+0x1db/0x4f0 [ 64.204361][ T3681] __flush_work+0xeb/0x1a0 [ 64.209282][ T3681] __cancel_work_timer+0x519/0x6a0 [ 64.214898][ T3681] hci_request_cancel_all+0xcb/0x300 [ 64.220683][ T3681] hci_dev_do_close+0x51/0x1070 [ 64.226035][ T3681] hci_rfkill_set_block+0x114/0x1a0 [ 64.231732][ T3681] rfkill_set_block+0x1e7/0x430 [ 64.237082][ T3681] rfkill_fop_write+0x5b7/0x790 [ 64.242431][ T3681] vfs_write+0x30c/0xe50 [ 64.247174][ T3681] ksys_write+0x1a2/0x2c0 [ 64.252003][ T3681] do_syscall_64+0x3b/0xb0 [ 64.256921][ T3681] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 64.263316][ T3681] [ 64.263316][ T3681] other info that might help us debug this: [ 64.263316][ T3681] [ 64.273519][ T3681] Chain exists of: [ 64.273519][ T3681] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 64.273519][ T3681] [ 64.289251][ T3681] Possible unsafe locking scenario: [ 64.289251][ T3681] [ 64.296689][ T3681] CPU0 CPU1 [ 64.302052][ T3681] ---- ---- [ 64.307396][ T3681] lock(rfkill_global_mutex); [ 64.312147][ T3681] lock(&data->open_mutex); [ 64.319234][ T3681] lock(rfkill_global_mutex); [ 64.326493][ T3681] lock((work_completion)(&hdev->bg_scan_update)); [ 64.333054][ T3681] [ 64.333054][ T3681] *** DEADLOCK *** [ 64.333054][ T3681] [ 64.341173][ T3681] 1 lock held by syz.0.15/3681: [ 64.345999][ T3681] #0: ffffffff8dcbe328 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 64.356071][ T3681] [ 64.356071][ T3681] stack backtrace: [ 64.361961][ T3681] CPU: 1 PID: 3681 Comm: syz.0.15 Not tainted 5.15.168-syzkaller #0 [ 64.369918][ T3681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 64.379962][ T3681] Call Trace: [ 64.383221][ T3681] [ 64.386130][ T3681] dump_stack_lvl+0x1e3/0x2d0 [ 64.390790][ T3681] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 64.396419][ T3681] ? print_circular_bug+0x12b/0x1a0 [ 64.401597][ T3681] check_noncircular+0x2f8/0x3b0 [ 64.406604][ T3681] ? add_chain_block+0x850/0x850 [ 64.411524][ T3681] ? lockdep_lock+0x11f/0x2a0 [ 64.416182][ T3681] validate_chain+0x1649/0x5930 [ 64.421021][ T3681] ? __lock_acquire+0x1295/0x1ff0 [ 64.426024][ T3681] ? reacquire_held_locks+0x660/0x660 [ 64.431374][ T3681] ? mark_lock+0x98/0x340 [ 64.435684][ T3681] ? look_up_lock_class+0x77/0x120 [ 64.440775][ T3681] ? register_lock_class+0x100/0x9a0 [ 64.446040][ T3681] ? mark_lock+0x98/0x340 [ 64.450349][ T3681] ? is_dynamic_key+0x1f0/0x1f0 [ 64.455176][ T3681] ? __lock_acquire+0x1295/0x1ff0 [ 64.460177][ T3681] ? mark_lock+0x98/0x340 [ 64.464487][ T3681] __lock_acquire+0x1295/0x1ff0 [ 64.469319][ T3681] lock_acquire+0x1db/0x4f0 [ 64.473803][ T3681] ? __flush_work+0xcf/0x1a0 [ 64.478374][ T3681] ? rcu_lock_release+0x5/0x20 [ 64.483119][ T3681] ? read_lock_is_recursive+0x10/0x10 [ 64.488474][ T3681] ? start_flush_work+0x776/0x820 [ 64.493481][ T3681] __flush_work+0xeb/0x1a0 [ 64.497876][ T3681] ? __flush_work+0xcf/0x1a0 [ 64.502445][ T3681] ? flush_work+0x20/0x20 [ 64.506760][ T3681] ? print_irqtrace_events+0x210/0x210 [ 64.512201][ T3681] ? lock_timer_base+0x260/0x260 [ 64.517122][ T3681] ? __cancel_work_timer+0x467/0x6a0 [ 64.522392][ T3681] __cancel_work_timer+0x519/0x6a0 [ 64.527485][ T3681] ? cancel_work_sync+0x20/0x20 [ 64.532315][ T3681] ? lockdep_hardirqs_on+0x94/0x130 [ 64.537493][ T3681] ? __cancel_work+0x2ef/0x380 [ 64.542238][ T3681] ? cancel_work+0x20/0x20 [ 64.546635][ T3681] ? print_irqtrace_events+0x210/0x210 [ 64.552094][ T3681] hci_request_cancel_all+0xcb/0x300 [ 64.557384][ T3681] hci_dev_do_close+0x51/0x1070 [ 64.562217][ T3681] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 64.568103][ T3681] ? _raw_spin_unlock+0x40/0x40 [ 64.572935][ T3681] ? kmem_cache_alloc_trace+0x143/0x290 [ 64.578460][ T3681] hci_rfkill_set_block+0x114/0x1a0 [ 64.583760][ T3681] ? rcu_lock_release+0x20/0x20 [ 64.588626][ T3681] rfkill_set_block+0x1e7/0x430 [ 64.593480][ T3681] rfkill_fop_write+0x5b7/0x790 [ 64.598321][ T3681] ? mark_lock+0x98/0x340 [ 64.602730][ T3681] ? rfkill_fop_read+0x470/0x470 [ 64.607657][ T3681] ? fsnotify_perm+0x64/0x590 [ 64.612374][ T3681] ? security_file_permission+0x75/0xa0 [ 64.617904][ T3681] ? rfkill_fop_read+0x470/0x470 [ 64.622832][ T3681] vfs_write+0x30c/0xe50 [ 64.627063][ T3681] ? file_end_write+0x250/0x250 [ 64.631990][ T3681] ? read_lock_is_recursive+0x10/0x10 [ 64.637344][ T3681] ? __context_tracking_exit+0x4c/0x80 [ 64.642787][ T3681] ? __lock_acquire+0x1ff0/0x1ff0 [ 64.647788][ T3681] ? __fdget_pos+0x1e9/0x380 [ 64.652367][ T3681] ksys_write+0x1a2/0x2c0 [ 64.656697][ T3681] ? print_irqtrace_events+0x210/0x210 [ 64.662330][ T3681] ? __ia32_sys_read+0x80/0x80 [ 64.667094][ T3681] ? syscall_enter_from_user_mode+0x2e/0x240 [ 64.673072][ T3681] ? lockdep_hardirqs_on+0x94/0x130 [ 64.678261][ T3681] ? syscall_enter_from_user_mode+0x2e/0x240 [ 64.684245][ T3681] do_syscall_64+0x3b/0xb0 [ 64.688661][ T3681] ? clear_bhb_loop+0x15/0x70 [ 64.693322][ T3681] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 64.699202][ T3681] RIP: 0033:0x7febb44a2ff9 [ 64.703616][ T3681] 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 [ 64.723225][ T3681] RSP: 002b:00007ffc68bde2d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.731635][ T3681] RAX: ffffffffffffffda RBX: 00007febb465af80 RCX: 00007febb44a2ff9 [ 64.739692][ T3681] RDX: 0000000000000008 RSI: 00000000200004c0 RDI: 0000000000000003 [ 64.747729][ T3681] RBP: 00007febb4515296 R08: 0000000000000000 R09: 0000000000000000 [ 64.755677][ T3681] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 64.763626][ T3681] R13: 00007febb465af80 R14: 00007febb465af80 R15: 00000000000014d4 [ 64.771587][ T3681] [ 64.782235][ T3045] Bluetooth: hci0: command 0x040f tx timeout