[ 86.742267][ T798] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.10.0' (ED25519) to the list of known hosts. 2025/10/20 08:34:37 parsed 1 programs 2025/10/20 08:34:37 executed programs: 0 [ 92.741172][ T6017] cgroup: Unknown subsys name 'cpuset' [ 93.785857][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 93.793818][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 93.801514][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 93.809420][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 93.817572][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 93.927795][ T6017] chnl_net:caif_netlink_parms(): no params data found [ 93.994186][ T6017] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.001583][ T6017] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.009112][ T6017] bridge_slave_0: entered allmulticast mode [ 94.016735][ T6017] bridge_slave_0: entered promiscuous mode [ 94.025891][ T6017] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.033040][ T6017] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.040148][ T6017] bridge_slave_1: entered allmulticast mode [ 94.047300][ T6017] bridge_slave_1: entered promiscuous mode [ 94.075018][ T6017] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 94.087440][ T6017] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 94.117103][ T6017] team0: Port device team_slave_0 added [ 94.125308][ T6017] team0: Port device team_slave_1 added [ 94.150762][ T6017] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 94.157703][ T6017] 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 1532 would solve the problem. [ 94.183652][ T6017] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 94.195492][ T6017] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 94.202471][ T6017] 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 1532 would solve the problem. [ 94.228374][ T6017] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 94.265880][ T6017] hsr_slave_0: entered promiscuous mode [ 94.272243][ T6017] hsr_slave_1: entered promiscuous mode [ 94.374756][ T6017] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.381920][ T6017] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.389529][ T6017] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.396776][ T6017] bridge0: port 1(bridge_slave_0) entered forwarding state [ 94.446911][ T6017] 8021q: adding VLAN 0 to HW filter on device bond0 [ 94.463297][ T3577] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.471371][ T3577] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.486018][ T6017] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.499880][ T3577] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.507153][ T3577] bridge0: port 1(bridge_slave_0) entered forwarding state [ 94.520145][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.527360][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.593480][ T6017] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 94.900218][ T6017] veth0_vlan: entered promiscuous mode [ 94.913051][ T6017] veth1_vlan: entered promiscuous mode [ 94.938861][ T6017] veth0_macvtap: entered promiscuous mode [ 94.949094][ T6017] veth1_macvtap: entered promiscuous mode [ 94.966647][ T6017] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 94.984756][ T6017] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 95.861524][ T5149] Bluetooth: hci0: command tx timeout [ 95.888237][ T36] [ 95.890597][ T36] ============================================ [ 95.896749][ T36] WARNING: possible recursive locking detected [ 95.902903][ T36] syzkaller #0 Not tainted [ 95.907326][ T36] -------------------------------------------- [ 95.913552][ T36] kworker/u8:2/36 is trying to acquire lock: [ 95.919616][ T36] ffffe8ffffd3a6e0 (&pd_list->lock){+...}-{3:3}, at: padata_do_serial+0x707/0xb80 [ 95.928880][ T36] [ 95.928880][ T36] but task is already holding lock: [ 95.936337][ T36] ffffe8ffffd3a730 (&pd_list->lock){+...}-{3:3}, at: padata_do_serial+0x590/0xb80 [ 95.945664][ T36] [ 95.945664][ T36] other info that might help us debug this: [ 95.953727][ T36] Possible unsafe locking scenario: [ 95.953727][ T36] [ 95.961174][ T36] CPU0 [ 95.964463][ T36] ---- [ 95.967738][ T36] lock(&pd_list->lock); [ 95.972070][ T36] lock(&pd_list->lock); [ 95.976401][ T36] [ 95.976401][ T36] *** DEADLOCK *** [ 95.976401][ T36] [ 95.984548][ T36] May be due to missing lock nesting notation [ 95.984548][ T36] [ 95.992863][ T36] 3 locks held by kworker/u8:2/36: [ 95.997974][ T36] #0: ffff88801e71d148 ((wq_completion)pencrypt_parallel){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 [ 96.009966][ T36] #1: ffffc90000ac7ba0 ((work_completion)(&pw->pw_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 [ 96.021784][ T36] #2: ffffe8ffffd3a730 (&pd_list->lock){+...}-{3:3}, at: padata_do_serial+0x590/0xb80 [ 96.031421][ T36] [ 96.031421][ T36] stack backtrace: [ 96.037305][ T36] CPU: 1 UID: 0 PID: 36 Comm: kworker/u8:2 Not tainted syzkaller #0 PREEMPT(full) [ 96.037320][ T36] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 96.037329][ T36] Workqueue: pencrypt_parallel padata_parallel_worker [ 96.037349][ T36] Call Trace: [ 96.037357][ T36] [ 96.037362][ T36] dump_stack_lvl+0x189/0x250 [ 96.037378][ T36] ? __pfx_dump_stack_lvl+0x10/0x10 [ 96.037391][ T36] ? __pfx__printk+0x10/0x10 [ 96.037404][ T36] ? print_lock_name+0xde/0x100 [ 96.037417][ T36] print_deadlock_bug+0x28b/0x2a0 [ 96.037430][ T36] validate_chain+0x1a3f/0x2140 [ 96.037444][ T36] ? __queue_work+0x102/0xfb0 [ 96.037456][ T36] ? __queue_work+0xc56/0xfb0 [ 96.037469][ T36] __lock_acquire+0xab9/0xd20 [ 96.037487][ T36] ? padata_do_serial+0x707/0xb80 [ 96.037498][ T36] lock_acquire+0x120/0x360 [ 96.037514][ T36] ? padata_do_serial+0x707/0xb80 [ 96.037530][ T36] _raw_spin_lock+0x2e/0x40 [ 96.037550][ T36] ? padata_do_serial+0x707/0xb80 [ 96.037561][ T36] padata_do_serial+0x707/0xb80 [ 96.037578][ T36] ? padata_parallel_worker+0x44/0x1d0 [ 96.037590][ T36] padata_parallel_worker+0x75/0x1d0 [ 96.037602][ T36] ? process_scheduled_works+0x9ef/0x17b0 [ 96.037620][ T36] process_scheduled_works+0xae1/0x17b0 [ 96.037645][ T36] ? __pfx_process_scheduled_works+0x10/0x10 [ 96.037667][ T36] worker_thread+0x8a0/0xda0 [ 96.037692][ T36] kthread+0x711/0x8a0 [ 96.037706][ T36] ? __pfx_worker_thread+0x10/0x10 [ 96.037723][ T36] ? __pfx_kthread+0x10/0x10 [ 96.037736][ T36] ? _raw_spin_unlock_irq+0x23/0x50 [ 96.037752][ T36] ? lockdep_hardirqs_on+0x9c/0x150 [ 96.037768][ T36] ? __pfx_kthread+0x10/0x10 [ 96.037781][ T36] ret_from_fork+0x4bc/0x870 [ 96.037798][ T36] ? __pfx_ret_from_fork+0x10/0x10 [ 96.037816][ T36] ? __switch_to_asm+0x39/0x70 [ 96.037830][ T36] ? __switch_to_asm+0x33/0x70 [ 96.037843][ T36] ? __pfx_kthread+0x10/0x10 [ 96.037855][ T36] ret_from_fork_asm+0x1a/0x30 [ 96.037875][ T36] [ 97.950530][ T5149] Bluetooth: hci0: command tx timeout 2025/10/20 08:34:42 executed programs: 4 [ 100.020962][ T5149] Bluetooth: hci0: command tx timeout [ 102.100524][ T5149] Bluetooth: hci0: command tx timeout 2025/10/20 08:34:48 executed programs: 11