Warning: Permanently added '10.128.1.48' (ED25519) to the list of known hosts. 1970/01/01 00:01:01 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:01:01 ignoring optional flag "type"="gce" 1970/01/01 00:01:01 parsed 1 programs [ 61.837752][ T4300] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:01:01 executed programs: 0 [ 61.986375][ T4316] chnl_net:caif_netlink_parms(): no params data found [ 62.025472][ T4316] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.027568][ T4316] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.030140][ T4316] device bridge_slave_0 entered promiscuous mode [ 62.034019][ T4316] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.035963][ T4316] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.038769][ T4316] device bridge_slave_1 entered promiscuous mode [ 62.055775][ T4316] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.060168][ T4316] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.076531][ T4316] team0: Port device team_slave_0 added [ 62.079827][ T4316] team0: Port device team_slave_1 added [ 62.097569][ T4316] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.099624][ T4316] 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. [ 62.107136][ T4316] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.112730][ T4316] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.114701][ T4316] 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. [ 62.122240][ T4316] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.204101][ T4316] device hsr_slave_0 entered promiscuous mode [ 62.251474][ T4316] device hsr_slave_1 entered promiscuous mode [ 62.954929][ T4316] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.993744][ T4316] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.047104][ T4316] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.074168][ T4316] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.187289][ T4316] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.198284][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.200821][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.208087][ T4316] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.213370][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.216089][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.218886][ T153] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.220953][ T153] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.233026][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.235986][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.238616][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.242800][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.244810][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.247153][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.266402][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.269466][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.274038][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.276916][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.279780][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.283955][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.286496][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.294094][ T4316] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.297569][ T4316] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.304142][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.306883][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.309619][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.402919][ T411] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.405258][ T411] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.412477][ T4316] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.428729][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.431768][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.453250][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.456115][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.462092][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.464566][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.468179][ T4316] device veth0_vlan entered promiscuous mode [ 63.475719][ T4316] device veth1_vlan entered promiscuous mode [ 63.493910][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.496654][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.499369][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 63.506246][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 63.513016][ T4316] device veth0_macvtap entered promiscuous mode [ 63.517913][ T4316] device veth1_macvtap entered promiscuous mode [ 63.533321][ T4316] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 63.535504][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 63.538121][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 63.540643][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 63.545528][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 63.551260][ T4316] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 63.555226][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 63.558055][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.564212][ T4316] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.566546][ T4316] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.568866][ T4316] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.573614][ T4316] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 63.628213][ T411] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.630581][ T411] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.634171][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.653777][ T153] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.656111][ T153] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.658966][ T411] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.764976][ T4412] [ 63.765695][ T4412] ====================================================== [ 63.767730][ T4412] WARNING: possible circular locking dependency detected [ 63.769648][ T4412] 5.15.186-syzkaller #0 Not tainted [ 63.771119][ T4412] ------------------------------------------------------ [ 63.773084][ T4412] syz-executor.0/4412 is trying to acquire lock: [ 63.774811][ T4412] ffff0000d65ccc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 63.778009][ T4412] [ 63.778009][ T4412] but task is already holding lock: [ 63.780131][ T4412] ffff80001652cb88 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 63.782697][ T4412] [ 63.782697][ T4412] which lock already depends on the new lock. [ 63.782697][ T4412] [ 63.785431][ T4412] [ 63.785431][ T4412] the existing dependency chain (in reverse order) is: [ 63.787958][ T4412] [ 63.787958][ T4412] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 63.790249][ T4412] __mutex_lock_common+0x194/0x1edc [ 63.791847][ T4412] mutex_lock_nested+0xac/0x11c [ 63.793332][ T4412] rfkill_register+0x44/0x77c [ 63.794696][ T4412] hci_register_dev+0x3d8/0x854 [ 63.796210][ T4412] vhci_create_device+0x2bc/0x564 [ 63.797725][ T4412] vhci_write+0x30c/0x3ac [ 63.799009][ T4412] vfs_write+0x7c8/0xa2c [ 63.800318][ T4412] ksys_write+0x120/0x210 [ 63.801658][ T4412] __arm64_sys_write+0x7c/0x90 [ 63.803051][ T4412] invoke_syscall+0x98/0x2b8 [ 63.804376][ T4412] el0_svc_common+0x138/0x258 [ 63.805811][ T4412] do_el0_svc+0x58/0x14c [ 63.807169][ T4412] el0_svc+0x78/0x1e0 [ 63.808488][ T4412] el0t_64_sync_handler+0xcc/0xe4 [ 63.810018][ T4412] el0t_64_sync+0x1a0/0x1a4 [ 63.811289][ T4412] [ 63.811289][ T4412] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 63.813459][ T4412] __mutex_lock_common+0x194/0x1edc [ 63.814927][ T4412] mutex_lock_nested+0xac/0x11c [ 63.816343][ T4412] vhci_send_frame+0x88/0x118 [ 63.817807][ T4412] hci_send_frame+0x194/0x2f0 [ 63.819355][ T4412] hci_tx_work+0x7e4/0x1394 [ 63.820706][ T4412] process_one_work+0x79c/0x1140 [ 63.822122][ T4412] worker_thread+0x8f4/0x101c [ 63.823462][ T4412] kthread+0x374/0x454 [ 63.824675][ T4412] ret_from_fork+0x10/0x20 [ 63.825992][ T4412] [ 63.825992][ T4412] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 63.828561][ T4412] __flush_work+0xf4/0x1bc [ 63.829900][ T4412] flush_work+0x24/0x38 [ 63.831238][ T4412] hci_dev_do_close+0x164/0x105c [ 63.832790][ T4412] hci_unregister_dev+0x23c/0x4c0 [ 63.834268][ T4412] vhci_release+0x74/0xc4 [ 63.835659][ T4412] __fput+0x1c0/0x7f8 [ 63.836865][ T4412] ____fput+0x20/0x30 [ 63.838125][ T4412] task_work_run+0x12c/0x1e0 [ 63.839615][ T4412] do_exit+0x684/0x1f58 [ 63.840954][ T4412] do_group_exit+0x100/0x268 [ 63.842358][ T4412] get_signal+0x73c/0x1340 [ 63.843687][ T4412] do_notify_resume+0x35c/0x3128 [ 63.845187][ T4412] el0_svc+0xf0/0x1e0 [ 63.846445][ T4412] el0t_64_sync_handler+0xcc/0xe4 [ 63.847890][ T4412] el0t_64_sync+0x1a0/0x1a4 [ 63.849273][ T4412] [ 63.849273][ T4412] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 63.851402][ T4412] __mutex_lock_common+0x194/0x1edc [ 63.852953][ T4412] mutex_lock_nested+0xac/0x11c [ 63.854407][ T4412] bg_scan_update+0x48/0x3d0 [ 63.855872][ T4412] process_one_work+0x79c/0x1140 [ 63.857290][ T4412] worker_thread+0x8f4/0x101c [ 63.858659][ T4412] kthread+0x374/0x454 [ 63.859941][ T4412] ret_from_fork+0x10/0x20 [ 63.861343][ T4412] [ 63.861343][ T4412] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 63.864028][ T4412] __lock_acquire+0x2928/0x651c [ 63.865627][ T4412] lock_acquire+0x1f4/0x620 [ 63.867139][ T4412] __flush_work+0xf4/0x1bc [ 63.868537][ T4412] __cancel_work_timer+0x2ec/0x448 [ 63.870026][ T4412] cancel_work_sync+0x24/0x38 [ 63.871461][ T4412] hci_request_cancel_all+0xbc/0x2d0 [ 63.873043][ T4412] hci_dev_do_close+0x54/0x105c [ 63.874647][ T4412] hci_rfkill_set_block+0xdc/0x1d0 [ 63.876216][ T4412] rfkill_set_block+0x18c/0x374 [ 63.877789][ T4412] rfkill_fop_write+0x4a4/0x5cc [ 63.879270][ T4412] vfs_write+0x280/0xa2c [ 63.880608][ T4412] ksys_write+0x120/0x210 [ 63.881917][ T4412] __arm64_sys_write+0x7c/0x90 [ 63.883472][ T4412] invoke_syscall+0x98/0x2b8 [ 63.884934][ T4412] el0_svc_common+0x138/0x258 [ 63.886462][ T4412] do_el0_svc+0x58/0x14c [ 63.887757][ T4412] el0_svc+0x78/0x1e0 [ 63.889000][ T4412] el0t_64_sync_handler+0xcc/0xe4 [ 63.890636][ T4412] el0t_64_sync+0x1a0/0x1a4 [ 63.892007][ T4412] [ 63.892007][ T4412] other info that might help us debug this: [ 63.892007][ T4412] [ 63.894967][ T4412] Chain exists of: [ 63.894967][ T4412] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 63.894967][ T4412] [ 63.899440][ T4412] Possible unsafe locking scenario: [ 63.899440][ T4412] [ 63.901584][ T4412] CPU0 CPU1 [ 63.903224][ T4412] ---- ---- [ 63.904713][ T4412] lock(rfkill_global_mutex); [ 63.906081][ T4412] lock(&data->open_mutex); [ 63.908074][ T4412] lock(rfkill_global_mutex); [ 63.910042][ T4412] lock((work_completion)(&hdev->bg_scan_update)); [ 63.912031][ T4412] [ 63.912031][ T4412] *** DEADLOCK *** [ 63.912031][ T4412] [ 63.914290][ T4412] 1 lock held by syz-executor.0/4412: [ 63.915991][ T4412] #0: ffff80001652cb88 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 63.918740][ T4412] [ 63.918740][ T4412] stack backtrace: [ 63.920416][ T4412] CPU: 1 PID: 4412 Comm: syz-executor.0 Not tainted 5.15.186-syzkaller #0 [ 63.922703][ T4412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 63.925569][ T4412] Call trace: [ 63.926496][ T4412] dump_backtrace+0x0/0x43c [ 63.927754][ T4412] show_stack+0x2c/0x3c [ 63.928987][ T4412] __dump_stack+0x30/0x40 [ 63.930285][ T4412] dump_stack_lvl+0xf8/0x160 [ 63.931500][ T4412] dump_stack+0x1c/0x5c [ 63.932645][ T4412] print_circular_bug+0x148/0x1b0 [ 63.934056][ T4412] check_noncircular+0x240/0x2d4 [ 63.935416][ T4412] __lock_acquire+0x2928/0x651c [ 63.936815][ T4412] lock_acquire+0x1f4/0x620 [ 63.938045][ T4412] __flush_work+0xf4/0x1bc [ 63.939276][ T4412] __cancel_work_timer+0x2ec/0x448 [ 63.940714][ T4412] cancel_work_sync+0x24/0x38 [ 63.942008][ T4412] hci_request_cancel_all+0xbc/0x2d0 [ 63.943502][ T4412] hci_dev_do_close+0x54/0x105c [ 63.944855][ T4412] hci_rfkill_set_block+0xdc/0x1d0 [ 63.946285][ T4412] rfkill_set_block+0x18c/0x374 [ 63.947622][ T4412] rfkill_fop_write+0x4a4/0x5cc [ 63.948937][ T4412] vfs_write+0x280/0xa2c [ 63.950073][ T4412] ksys_write+0x120/0x210 [ 63.951252][ T4412] __arm64_sys_write+0x7c/0x90 [ 63.952697][ T4412] invoke_syscall+0x98/0x2b8 [ 63.953967][ T4412] el0_svc_common+0x138/0x258 [ 63.955229][ T4412] do_el0_svc+0x58/0x14c [ 63.956540][ T4412] el0_svc+0x78/0x1e0 [ 63.957618][ T4412] el0t_64_sync_handler+0xcc/0xe4 [ 63.959070][ T4412] el0t_64_sync+0x1a0/0x1a4 [ 63.981387][ T4054] Bluetooth: hci0: command 0x0409 tx timeout 1970/01/01 00:01:06 executed programs: 86 [ 69.652115][ T2056] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.653990][ T2056] ieee802154 phy1 wpan1: encryption failed: -22 1970/01/01 00:01:11 executed programs: 305