Warning: Permanently added '10.128.1.190' (ED25519) to the list of known hosts. 2025/02/26 11:51:15 ignoring optional flag "sandboxArg"="0" 2025/02/26 11:51:16 parsed 1 programs [ 64.122537][ T4170] cgroup: Unknown subsys name 'net' [ 64.225531][ T4170] cgroup: Unknown subsys name 'rlimit' [ 65.752825][ T4170] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 68.401456][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.415713][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.427390][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 68.449501][ T4203] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.458070][ T4203] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.469357][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 69.314308][ T4221] chnl_net:caif_netlink_parms(): no params data found [ 69.368747][ T4221] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.376391][ T4221] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.384243][ T4221] device bridge_slave_0 entered promiscuous mode [ 69.393501][ T4221] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.401504][ T4221] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.409844][ T4221] device bridge_slave_1 entered promiscuous mode [ 69.440357][ T4221] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.451858][ T4221] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.562610][ T4221] team0: Port device team_slave_0 added [ 69.582264][ T4221] team0: Port device team_slave_1 added [ 69.618750][ T4221] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.625763][ T4221] 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. [ 69.652281][ T4221] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.664946][ T4221] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.672063][ T4221] 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. [ 69.698294][ T4221] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.730122][ T4221] device hsr_slave_0 entered promiscuous mode [ 69.737134][ T4221] device hsr_slave_1 entered promiscuous mode [ 69.830347][ T4221] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.840916][ T4221] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.850390][ T4221] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.859403][ T4221] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.881112][ T4221] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.888347][ T4221] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.896305][ T4221] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.903412][ T4221] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.951245][ T4221] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.968981][ T4221] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.976604][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.987265][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.995842][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.003830][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 70.020116][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.028806][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.036440][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.069628][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.078287][ T155] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.085409][ T155] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.111507][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.121474][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.132220][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.141239][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.155483][ T4221] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.167038][ T4221] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.176594][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.282413][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.290573][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.303943][ T4221] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.341691][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.350723][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.374614][ T4221] device veth0_vlan entered promiscuous mode [ 70.383930][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.393294][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.402331][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.410723][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.423732][ T4221] device veth1_vlan entered promiscuous mode [ 70.458211][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.467461][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.476295][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 70.486173][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.497121][ T4221] device veth0_macvtap entered promiscuous mode [ 70.529476][ T4221] device veth1_macvtap entered promiscuous mode [ 70.545521][ T4221] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.553954][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.562366][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 70.572956][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 70.582109][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.594160][ T4221] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.602786][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.612192][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.624358][ T4221] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.634173][ T4221] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.643007][ T4221] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.652289][ T4221] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.778372][ T4221] syz-executor (4221) used greatest stack depth: 19448 bytes left 2025/02/26 11:51:26 executed programs: 0 [ 71.409255][ T1431] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.415861][ T1431] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.647419][ T4263] chnl_net:caif_netlink_parms(): no params data found [ 71.721453][ T4263] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.731321][ T4263] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.742798][ T4263] device bridge_slave_0 entered promiscuous mode [ 71.754237][ T4263] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.764159][ T4263] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.772779][ T4263] device bridge_slave_1 entered promiscuous mode [ 71.807288][ T4263] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.819733][ T4263] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.855550][ T4263] team0: Port device team_slave_0 added [ 71.863446][ T4263] team0: Port device team_slave_1 added [ 71.890544][ T4263] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.897575][ T4263] 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. [ 71.924372][ T4263] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.937089][ T4263] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.944040][ T4263] 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. [ 71.971180][ T4263] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.013155][ T4263] device hsr_slave_0 entered promiscuous mode [ 72.020738][ T4263] device hsr_slave_1 entered promiscuous mode [ 72.027602][ T4263] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.035782][ T4263] Cannot create hsr debugfs directory [ 72.133028][ T4263] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.300618][ T9] ODEBUG: Out of memory. ODEBUG disabled [ 73.566630][ T4229] Bluetooth: hci0: command 0x0409 tx timeout [ 74.921534][ T4263] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.645552][ T4233] Bluetooth: hci0: command 0x041b tx timeout [ 75.880439][ T4263] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.952115][ T4263] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.050167][ T4263] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 76.061925][ T4263] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.079140][ T4263] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.088161][ T4263] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.151418][ T4263] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.164292][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.172498][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.193119][ T4263] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.202726][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.212664][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.221393][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.228746][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.239312][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.259416][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.268596][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.278028][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.285126][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.304516][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.315037][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.327815][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.337552][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.347206][ T155] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.363121][ T9] device hsr_slave_0 left promiscuous mode [ 76.369648][ T9] device hsr_slave_1 left promiscuous mode [ 76.376471][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 76.383896][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 76.392441][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 76.400023][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 76.407808][ T9] device bridge_slave_1 left promiscuous mode [ 76.414674][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.429047][ T9] device bridge_slave_0 left promiscuous mode [ 76.435545][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.453175][ T9] device veth1_macvtap left promiscuous mode [ 76.459732][ T9] device veth0_macvtap left promiscuous mode [ 76.466137][ T9] device veth1_vlan left promiscuous mode [ 76.472015][ T9] device veth0_vlan left promiscuous mode [ 76.617202][ T9] team0 (unregistering): Port device team_slave_1 removed [ 76.630379][ T9] team0 (unregistering): Port device team_slave_0 removed [ 76.644526][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 76.658515][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 76.712216][ T9] bond0 (unregistering): Released all slaves [ 76.780522][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.789739][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.801200][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.809771][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.820859][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.830203][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.840859][ T4263] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.930370][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.938102][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.950708][ T4263] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.968853][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.977766][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.998111][ T4203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 77.007367][ T4203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 77.017167][ T4203] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 77.024949][ T4203] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 77.035512][ T4263] device veth0_vlan entered promiscuous mode [ 77.051041][ T4263] device veth1_vlan entered promiscuous mode [ 77.071664][ T4203] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 77.080025][ T4203] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 77.088583][ T4203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 77.098262][ T4203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 77.108794][ T4263] device veth0_macvtap entered promiscuous mode [ 77.120015][ T4263] device veth1_macvtap entered promiscuous mode [ 77.134561][ T4263] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 77.142295][ T4203] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 77.150669][ T4203] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 77.159206][ T4203] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 77.168992][ T4203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 77.183450][ T4263] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.191625][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 77.200455][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 77.212595][ T4263] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.221641][ T4263] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.231144][ T4263] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.240199][ T4263] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.311171][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.331903][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.350645][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 77.366660][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.374611][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.387572][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 77.464348][ T4275] [ 77.466709][ T4275] ====================================================== [ 77.473820][ T4275] WARNING: possible circular locking dependency detected [ 77.480942][ T4275] 5.15.178-syzkaller #0 Not tainted [ 77.486145][ T4275] ------------------------------------------------------ [ 77.493234][ T4275] syz.0.16/4275 is trying to acquire lock: [ 77.499045][ T4275] ffff88807ca98c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcf/0x1a0 [ 77.510131][ T4275] [ 77.510131][ T4275] but task is already holding lock: [ 77.517509][ T4275] ffffffff8ded0008 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 77.527816][ T4275] [ 77.527816][ T4275] which lock already depends on the new lock. [ 77.527816][ T4275] [ 77.538399][ T4275] [ 77.538399][ T4275] the existing dependency chain (in reverse order) is: [ 77.547851][ T4275] [ 77.547851][ T4275] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 77.555984][ T4275] lock_acquire+0x1db/0x4f0 [ 77.561107][ T4275] __mutex_lock_common+0x1da/0x25a0 [ 77.566927][ T4275] mutex_lock_nested+0x17/0x20 [ 77.572223][ T4275] rfkill_register+0x30/0x880 [ 77.577426][ T4275] hci_register_dev+0x4dd/0xa50 [ 77.582889][ T4275] vhci_create_device+0x310/0x590 [ 77.588441][ T4275] vhci_write+0x382/0x430 [ 77.593341][ T4275] vfs_write+0xacd/0xe50 [ 77.598113][ T4275] ksys_write+0x1a2/0x2c0 [ 77.602968][ T4275] do_syscall_64+0x3b/0xb0 [ 77.607906][ T4275] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 77.614330][ T4275] [ 77.614330][ T4275] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 77.622161][ T4275] lock_acquire+0x1db/0x4f0 [ 77.627194][ T4275] __mutex_lock_common+0x1da/0x25a0 [ 77.632954][ T4275] mutex_lock_nested+0x17/0x20 [ 77.638261][ T4275] vhci_send_frame+0x8a/0xf0 [ 77.643388][ T4275] hci_send_frame+0x1af/0x2f0 [ 77.648600][ T4275] hci_tx_work+0xb2e/0x1a30 [ 77.653636][ T4275] process_one_work+0x8a1/0x10c0 [ 77.659103][ T4275] worker_thread+0xaca/0x1280 [ 77.664314][ T4275] kthread+0x3f6/0x4f0 [ 77.668913][ T4275] ret_from_fork+0x1f/0x30 [ 77.673864][ T4275] [ 77.673864][ T4275] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 77.683084][ T4275] lock_acquire+0x1db/0x4f0 [ 77.688122][ T4275] __flush_work+0xeb/0x1a0 [ 77.693065][ T4275] hci_dev_do_close+0x20a/0x1070 [ 77.698541][ T4275] hci_unregister_dev+0x2d7/0x580 [ 77.704118][ T4275] vhci_release+0x73/0xc0 [ 77.708991][ T4275] __fput+0x3fe/0x8e0 [ 77.713513][ T4275] task_work_run+0x129/0x1a0 [ 77.718730][ T4275] do_exit+0x6a3/0x2480 [ 77.723512][ T4275] do_group_exit+0x144/0x310 [ 77.728636][ T4275] get_signal+0xc66/0x14e0 [ 77.733681][ T4275] arch_do_signal_or_restart+0xc3/0x1890 [ 77.739843][ T4275] exit_to_user_mode_loop+0x97/0x130 [ 77.745664][ T4275] exit_to_user_mode_prepare+0xb1/0x140 [ 77.751832][ T4275] syscall_exit_to_user_mode+0x5d/0x240 [ 77.757899][ T4275] do_syscall_64+0x47/0xb0 [ 77.762834][ T4275] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 77.769343][ T4275] [ 77.769343][ T4275] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 77.776983][ T4275] lock_acquire+0x1db/0x4f0 [ 77.781999][ T4275] __mutex_lock_common+0x1da/0x25a0 [ 77.787711][ T4275] mutex_lock_nested+0x17/0x20 [ 77.792989][ T4275] bg_scan_update+0xa1/0x4a0 [ 77.798090][ T4275] process_one_work+0x8a1/0x10c0 [ 77.803543][ T4275] worker_thread+0xaca/0x1280 [ 77.808735][ T4275] kthread+0x3f6/0x4f0 [ 77.813323][ T4275] ret_from_fork+0x1f/0x30 [ 77.818254][ T4275] [ 77.818254][ T4275] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 77.828250][ T4275] validate_chain+0x1649/0x5930 [ 77.833613][ T4275] __lock_acquire+0x1295/0x1ff0 [ 77.838974][ T4275] lock_acquire+0x1db/0x4f0 [ 77.843986][ T4275] __flush_work+0xeb/0x1a0 [ 77.848916][ T4275] __cancel_work_timer+0x519/0x6a0 [ 77.854539][ T4275] hci_request_cancel_all+0xcb/0x300 [ 77.860334][ T4275] hci_dev_do_close+0x51/0x1070 [ 77.865699][ T4275] hci_rfkill_set_block+0x114/0x1a0 [ 77.871407][ T4275] rfkill_set_block+0x1e7/0x430 [ 77.876769][ T4275] rfkill_fop_write+0x5b7/0x790 [ 77.882134][ T4275] vfs_write+0x30c/0xe50 [ 77.886892][ T4275] ksys_write+0x1a2/0x2c0 [ 77.891733][ T4275] do_syscall_64+0x3b/0xb0 [ 77.896671][ T4275] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 77.903080][ T4275] [ 77.903080][ T4275] other info that might help us debug this: [ 77.903080][ T4275] [ 77.913296][ T4275] Chain exists of: [ 77.913296][ T4275] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 77.913296][ T4275] [ 77.929028][ T4275] Possible unsafe locking scenario: [ 77.929028][ T4275] [ 77.936485][ T4275] CPU0 CPU1 [ 77.941855][ T4275] ---- ---- [ 77.947205][ T4275] lock(rfkill_global_mutex); [ 77.951957][ T4275] lock(&data->open_mutex); [ 77.959054][ T4275] lock(rfkill_global_mutex); [ 77.966326][ T4275] lock((work_completion)(&hdev->bg_scan_update)); [ 77.972916][ T4275] [ 77.972916][ T4275] *** DEADLOCK *** [ 77.972916][ T4275] [ 77.981131][ T4275] 1 lock held by syz.0.16/4275: [ 77.985966][ T4275] #0: ffffffff8ded0008 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x1a5/0x790 [ 77.996052][ T4275] [ 77.996052][ T4275] stack backtrace: [ 78.001955][ T4275] CPU: 0 PID: 4275 Comm: syz.0.16 Not tainted 5.15.178-syzkaller #0 [ 78.009931][ T4275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 78.019985][ T4275] Call Trace: [ 78.023257][ T4275] [ 78.026180][ T4275] dump_stack_lvl+0x1e3/0x2d0 [ 78.030853][ T4275] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 78.036479][ T4275] ? print_circular_bug+0x12b/0x1a0 [ 78.041670][ T4275] check_noncircular+0x2f8/0x3b0 [ 78.046602][ T4275] ? add_chain_block+0x850/0x850 [ 78.051540][ T4275] ? lockdep_lock+0x11f/0x2a0 [ 78.056671][ T4275] validate_chain+0x1649/0x5930 [ 78.061521][ T4275] ? validate_chain+0x112/0x5930 [ 78.066452][ T4275] ? reacquire_held_locks+0x660/0x660 [ 78.071829][ T4275] ? look_up_lock_class+0x77/0x120 [ 78.076934][ T4275] ? register_lock_class+0x100/0x9a0 [ 78.082213][ T4275] ? mark_lock+0x98/0x340 [ 78.086540][ T4275] ? is_dynamic_key+0x1f0/0x1f0 [ 78.091413][ T4275] ? __lock_acquire+0x1295/0x1ff0 [ 78.096443][ T4275] ? mark_lock+0x98/0x340 [ 78.100765][ T4275] __lock_acquire+0x1295/0x1ff0 [ 78.105650][ T4275] lock_acquire+0x1db/0x4f0 [ 78.110160][ T4275] ? __flush_work+0xcf/0x1a0 [ 78.115178][ T4275] ? rcu_lock_release+0x5/0x20 [ 78.120024][ T4275] ? read_lock_is_recursive+0x10/0x10 [ 78.125408][ T4275] ? start_flush_work+0x776/0x820 [ 78.130429][ T4275] __flush_work+0xeb/0x1a0 [ 78.134837][ T4275] ? __flush_work+0xcf/0x1a0 [ 78.139418][ T4275] ? flush_work+0x20/0x20 [ 78.143765][ T4275] ? print_irqtrace_events+0x210/0x210 [ 78.149223][ T4275] ? lock_timer_base+0x260/0x260 [ 78.154155][ T4275] ? __cancel_work_timer+0x467/0x6a0 [ 78.159718][ T4275] __cancel_work_timer+0x519/0x6a0 [ 78.164917][ T4275] ? cancel_work_sync+0x20/0x20 [ 78.169762][ T4275] ? lockdep_hardirqs_on+0x94/0x130 [ 78.174959][ T4275] ? __cancel_work+0x2ef/0x380 [ 78.179714][ T4275] ? cancel_work+0x20/0x20 [ 78.184126][ T4275] ? print_irqtrace_events+0x210/0x210 [ 78.189836][ T4275] hci_request_cancel_all+0xcb/0x300 [ 78.195119][ T4275] hci_dev_do_close+0x51/0x1070 [ 78.200141][ T4275] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 78.206032][ T4275] ? _raw_spin_unlock+0x40/0x40 [ 78.210882][ T4275] hci_rfkill_set_block+0x114/0x1a0 [ 78.216077][ T4275] ? rcu_lock_release+0x20/0x20 [ 78.220945][ T4275] rfkill_set_block+0x1e7/0x430 [ 78.225794][ T4275] rfkill_fop_write+0x5b7/0x790 [ 78.230636][ T4275] ? mark_lock+0x98/0x340 [ 78.234957][ T4275] ? rfkill_fop_read+0x470/0x470 [ 78.239892][ T4275] ? fsnotify_perm+0x64/0x590 [ 78.244564][ T4275] ? security_file_permission+0x75/0xa0 [ 78.250099][ T4275] ? rfkill_fop_read+0x470/0x470 [ 78.255123][ T4275] vfs_write+0x30c/0xe50 [ 78.259379][ T4275] ? file_end_write+0x250/0x250 [ 78.264232][ T4275] ? read_lock_is_recursive+0x10/0x10 [ 78.269606][ T4275] ? __context_tracking_exit+0x4c/0x80 [ 78.275071][ T4275] ? __lock_acquire+0x1ff0/0x1ff0 [ 78.280104][ T4275] ? __fdget_pos+0x1e9/0x380 [ 78.284704][ T4275] ksys_write+0x1a2/0x2c0 [ 78.289029][ T4275] ? print_irqtrace_events+0x210/0x210 [ 78.294484][ T4275] ? __ia32_sys_read+0x80/0x80 [ 78.299242][ T4275] ? syscall_enter_from_user_mode+0x2e/0x240 [ 78.305217][ T4275] ? lockdep_hardirqs_on+0x94/0x130 [ 78.310409][ T4275] ? syscall_enter_from_user_mode+0x2e/0x240 [ 78.316384][ T4275] do_syscall_64+0x3b/0xb0 [ 78.320791][ T4275] ? clear_bhb_loop+0x15/0x70 [ 78.325474][ T4275] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 78.331365][ T4275] RIP: 0033:0x7f853d941169 [ 78.335773][ T4275] 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 [ 78.355371][ T4275] RSP: 002b:00007ffdd307f388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 78.363795][ T4275] RAX: ffffffffffffffda RBX: 00007f853db59fa0 RCX: 00007f853d941169 [ 78.371765][ T4275] RDX: 0000000000000008 RSI: 0000400000000300 RDI: 0000000000000003 [ 78.379729][ T4275] RBP: 00007f853d9c22a0 R08: 0000000000000000 R09: 0000000000000000 [ 78.387697][ T4275] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 78.395750][ T4275] R13: 00007f853db59fa0 R14: 00007f853db59fa0 R15: 0000000000000003 [ 78.403720][ T4275] [ 78.409945][ T4233] Bluetooth: hci0: command 0x040f tx timeout