Warning: Permanently added '10.128.1.156' (ED25519) to the list of known hosts. 2026/01/01 01:12:10 parsed 1 programs 2026/01/01 01:12:10 executed programs: 0 [ 105.336993][ T6023] cgroup: Unknown subsys name 'cpuset' [ 106.416046][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 106.424054][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 106.432285][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 106.441475][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 106.449125][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 106.578300][ T6023] chnl_net:caif_netlink_parms(): no params data found [ 106.650181][ T6023] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.657729][ T6023] bridge0: port 1(bridge_slave_0) entered disabled state [ 106.665529][ T6023] bridge_slave_0: entered allmulticast mode [ 106.672906][ T6023] bridge_slave_0: entered promiscuous mode [ 106.683581][ T6023] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.691453][ T6023] bridge0: port 2(bridge_slave_1) entered disabled state [ 106.699036][ T6023] bridge_slave_1: entered allmulticast mode [ 106.707039][ T6023] bridge_slave_1: entered promiscuous mode [ 106.737990][ T6023] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 106.750047][ T6023] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 106.783399][ T6023] team0: Port device team_slave_0 added [ 106.791817][ T6023] team0: Port device team_slave_1 added [ 106.821170][ T6023] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 106.828483][ T6023] 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. [ 106.857307][ T6023] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 106.870348][ T6023] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 106.877356][ T6023] 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. [ 106.904351][ T6023] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 106.944574][ T6023] hsr_slave_0: entered promiscuous mode [ 106.952039][ T6023] hsr_slave_1: entered promiscuous mode [ 107.068913][ T6023] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.076622][ T6023] bridge0: port 2(bridge_slave_1) entered forwarding state [ 107.084798][ T6023] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.092010][ T6023] bridge0: port 1(bridge_slave_0) entered forwarding state [ 107.148667][ T6023] 8021q: adding VLAN 0 to HW filter on device bond0 [ 107.167648][ T199] bridge0: port 1(bridge_slave_0) entered disabled state [ 107.176408][ T199] bridge0: port 2(bridge_slave_1) entered disabled state [ 107.193826][ T6023] 8021q: adding VLAN 0 to HW filter on device team0 [ 107.207820][ T199] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.215010][ T199] bridge0: port 1(bridge_slave_0) entered forwarding state [ 107.229106][ T1521] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.236451][ T1521] bridge0: port 2(bridge_slave_1) entered forwarding state [ 107.312922][ T6023] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 107.636914][ T6023] veth0_vlan: entered promiscuous mode [ 107.648627][ T6023] veth1_vlan: entered promiscuous mode [ 107.676613][ T6023] veth0_macvtap: entered promiscuous mode [ 107.687555][ T6023] veth1_macvtap: entered promiscuous mode [ 107.710936][ T6023] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 107.726647][ T6023] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 107.951210][ T6052] nbd0: detected capacity change from 0 to 10 [ 108.491932][ T52] Bluetooth: hci0: command tx timeout [ 108.601190][ T5149] block nbd0: Receive control failed (result -104) [ 110.570735][ T5149] Bluetooth: hci0: command tx timeout [ 112.650878][ T5149] Bluetooth: hci0: command tx timeout [ 114.730767][ T5149] Bluetooth: hci0: command tx timeout [ 138.253097][ T25] block nbd0: Possible stuck request ffff8880254b8000: control (read@0,4096B). Runtime 30 seconds [ 168.340886][ T11] block nbd0: Possible stuck request ffff8880254b8000: control (read@0,4096B). Runtime 60 seconds [ 169.907287][ T5199] udevd[5199]: worker [6024] /devices/virtual/block/nbd0 is taking a long time [ 198.411851][ T25] block nbd0: Possible stuck request ffff8880254b8000: control (read@0,4096B). Runtime 90 seconds [ 228.500596][ T11] block nbd0: Possible stuck request ffff8880254b8000: control (read@0,4096B). Runtime 120 seconds [ 233.130696][ T5149] Bluetooth: hci0: command 0x0406 tx timeout [ 258.580675][ T25] block nbd0: Possible stuck request ffff8880254b8000: control (read@0,4096B). Runtime 150 seconds [ 287.375128][ T31] INFO: task syz-executor.0:6053 blocked for more than 143 seconds. [ 287.383361][ T31] Not tainted syzkaller #0 [ 287.388308][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.397090][ T31] task:syz-executor.0 state:D stack:28232 pid:6053 tgid:6051 ppid:6023 task_flags:0x400140 flags:0x00080803 [ 287.409492][ T31] Call Trace: [ 287.413097][ T31] [ 287.416057][ T31] __schedule+0x150e/0x5070 [ 287.420716][ T31] ? __pfx___schedule+0x10/0x10 [ 287.425610][ T31] ? schedule+0x91/0x360 [ 287.429871][ T31] schedule+0x165/0x360 [ 287.434173][ T31] schedule_preempt_disabled+0x13/0x30 [ 287.439916][ T31] __mutex_lock+0x7e6/0x1350 [ 287.444615][ T31] ? __mutex_lock+0x5bb/0x1350 [ 287.449481][ T31] ? bdev_release+0x1a9/0x650 [ 287.454352][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 287.459389][ T31] ? __asan_memset+0x22/0x50 [ 287.464077][ T31] ? __pfx___fsnotify_parent+0x10/0x10 [ 287.469745][ T31] ? do_raw_spin_lock+0x121/0x290 [ 287.474877][ T31] bdev_release+0x1a9/0x650 [ 287.479412][ T31] ? __pfx_blkdev_release+0x10/0x10 [ 287.484962][ T31] blkdev_release+0x15/0x20 [ 287.489476][ T31] __fput+0x44c/0xa70 [ 287.493559][ T31] task_work_run+0x1d4/0x260 [ 287.498234][ T31] ? __pfx_task_work_run+0x10/0x10 [ 287.503442][ T31] get_signal+0x11ec/0x1340 [ 287.507966][ T31] arch_do_signal_or_restart+0x9a/0x7a0 [ 287.513660][ T31] ? __pfx_task_work_add+0x10/0x10 [ 287.518796][ T31] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 287.525348][ T31] ? __fput_deferred+0x215/0x390 [ 287.530338][ T31] ? exit_to_user_mode_loop+0x55/0x4f0 [ 287.536090][ T31] exit_to_user_mode_loop+0x87/0x4f0 [ 287.541527][ T31] ? rcu_is_watching+0x15/0xb0 [ 287.546308][ T31] do_syscall_64+0x2d0/0xf80 [ 287.551062][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.557256][ T31] ? __switch_to_asm+0x39/0x70 [ 287.562408][ T31] ? clear_bhb_loop+0x60/0xb0 [ 287.567119][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.573157][ T31] RIP: 0033:0x4551e9 [ 287.577227][ T31] RSP: 002b:00007fbd086e00d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 287.585798][ T31] RAX: 0000000000000000 RBX: 000000000054cfa0 RCX: 00000000004551e9 [ 287.593983][ T31] RDX: ffffffffffffffff RSI: 000000000000ab03 RDI: 0000000000000003 [ 287.602411][ T31] RBP: 00000000004a06fd R08: 0000000000000000 R09: 0000000000000000 [ 287.610720][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000049f8fd [ 287.618871][ T31] R13: 000000000000006e R14: 000000000054cfa0 R15: 00007ffd069a03d8 [ 287.627163][ T31] [ 287.630286][ T31] [ 287.630286][ T31] Showing all locks held in the system: [ 287.638167][ T31] 1 lock held by khungtaskd/31: [ 287.643336][ T31] #0: ffffffff8e13f2e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 287.653389][ T31] 1 lock held by klogd/5188: [ 287.657987][ T31] #0: ffff8880b863ab18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 287.668152][ T31] 2 locks held by getty/5585: [ 287.672979][ T31] #0: ffff88803449f0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 287.682826][ T31] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x449/0x1460 [ 287.693194][ T31] 1 lock held by udevd/6024: [ 287.697777][ T31] #0: ffff888141351358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30 [ 287.707113][ T31] 1 lock held by syz-executor.0/6053: [ 287.712551][ T31] #0: ffff888141351358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x1a9/0x650 [ 287.722167][ T31] [ 287.724537][ T31] ============================================= [ 287.724537][ T31] [ 287.734110][ T31] NMI backtrace for cpu 1 [ 287.734133][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 287.734144][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 287.734150][ T31] Call Trace: [ 287.734155][ T31] [ 287.734159][ T31] dump_stack_lvl+0x189/0x250 [ 287.734181][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.734193][ T31] ? __pfx__printk+0x10/0x10 [ 287.734214][ T31] nmi_cpu_backtrace+0x39e/0x3d0 [ 287.734228][ T31] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.734239][ T31] ? __pfx__printk+0x10/0x10 [ 287.734254][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.734271][ T31] nmi_trigger_cpumask_backtrace+0x17a/0x300 [ 287.734283][ T31] sys_info+0x135/0x170 [ 287.734292][ T31] watchdog+0xe40/0xe90 [ 287.734311][ T31] ? watchdog+0x202/0xe90 [ 287.734327][ T31] kthread+0x711/0x8a0 [ 287.734343][ T31] ? __pfx_watchdog+0x10/0x10 [ 287.734361][ T31] ? __pfx_kthread+0x10/0x10 [ 287.734377][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.734389][ T31] ? lockdep_hardirqs_on+0x98/0x140 [ 287.734402][ T31] ? __pfx_kthread+0x10/0x10 [ 287.734415][ T31] ret_from_fork+0x599/0xb30 [ 287.734426][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 287.734440][ T31] ? __switch_to_asm+0x39/0x70 [ 287.734452][ T31] ? __switch_to_asm+0x33/0x70 [ 287.734462][ T31] ? __pfx_kthread+0x10/0x10 [ 287.734475][ T31] ret_from_fork_asm+0x1a/0x30 [ 287.734494][ T31] [ 287.734534][ T31] Sending NMI from CPU 1 to CPUs 0: [ 287.889169][ C0] NMI backtrace for cpu 0 [ 287.889192][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 287.889210][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 287.889220][ C0] RIP: 0010:pv_native_safe_halt+0x13/0x20 [ 287.889252][ C0] Code: cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 33 9e 2a 00 f3 0f 1e fa fb f4 48 ee 02 00 cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 [ 287.889265][ C0] RSP: 0018:ffffffff8de07d80 EFLAGS: 000002c6 [ 287.889281][ C0] RAX: 5040ff974d4bf200 RBX: ffffffff819786ba RCX: 5040ff974d4bf200 [ 287.889293][ C0] RDX: 0000000000000001 RSI: ffffffff8d997e54 RDI: ffffffff8be07960 [ 287.889304][ C0] RBP: ffffffff8de07ea8 R08: ffff8880b86336db R09: 1ffff110170c66db [ 287.889315][ C0] R10: dffffc0000000000 R11: ffffed10170c66dc R12: ffffffff8fa22f70 [ 287.889326][ C0] R13: 1ffffffff1bd29b8 R14: 0000000000000000 R15: 0000000000000000 [ 287.889336][ C0] FS: 0000000000000000(0000) GS:ffff888125c25000(0000) knlGS:0000000000000000 [ 287.889357][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.889368][ C0] CR2: 00005609cacc3168 CR3: 000000000df38000 CR4: 00000000003526f0 [ 287.889382][ C0] Call Trace: [ 287.889392][ C0] [ 287.889406][ C0] default_idle+0x13/0x20 [ 287.889421][ C0] default_idle_call+0x73/0xb0 [ 287.889438][ C0] do_idle+0x1ea/0x520 [ 287.889457][ C0] ? irqentry_exit+0x5ba/0x660 [ 287.889480][ C0] ? __pfx_do_idle+0x10/0x10 [ 287.889504][ C0] cpu_startup_entry+0x44/0x60 [ 287.889521][ C0] rest_init+0x2de/0x300 [ 287.889538][ C0] start_kernel+0x3ac/0x400 [ 287.889561][ C0] x86_64_start_reservations+0x24/0x30 [ 287.889584][ C0] x86_64_start_kernel+0x143/0x1c0 [ 287.889606][ C0] common_startup_64+0x13e/0x147 [ 287.889636][ C0] [ 288.076450][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 288.083423][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 288.092868][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 288.103202][ T31] Call Trace: [ 288.106574][ T31] [ 288.109605][ T31] dump_stack_lvl+0x99/0x250 [ 288.114332][ T31] ? __asan_memcpy+0x40/0x70 [ 288.119018][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 288.124301][ T31] ? __pfx__printk+0x10/0x10 [ 288.128909][ T31] vpanic+0x237/0x6d0 [ 288.132908][ T31] ? __pfx_vpanic+0x10/0x10 [ 288.137422][ T31] ? preempt_schedule_common+0x83/0xd0 [ 288.142890][ T31] panic+0xb9/0xc0 [ 288.146606][ T31] ? __pfx_panic+0x10/0x10 [ 288.151278][ T31] ? preempt_schedule_thunk+0x16/0x30 [ 288.156805][ T31] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300 [ 288.162951][ T31] watchdog+0xe83/0xe90 [ 288.167187][ T31] ? watchdog+0x202/0xe90 [ 288.171498][ T31] kthread+0x711/0x8a0 [ 288.175647][ T31] ? __pfx_watchdog+0x10/0x10 [ 288.180310][ T31] ? __pfx_kthread+0x10/0x10 [ 288.185238][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 288.190422][ T31] ? lockdep_hardirqs_on+0x98/0x140 [ 288.195692][ T31] ? __pfx_kthread+0x10/0x10 [ 288.200271][ T31] ret_from_fork+0x599/0xb30 [ 288.204843][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 288.209938][ T31] ? __switch_to_asm+0x39/0x70 [ 288.214692][ T31] ? __switch_to_asm+0x33/0x70 [ 288.219801][ T31] ? __pfx_kthread+0x10/0x10 [ 288.224413][ T31] ret_from_fork_asm+0x1a/0x30 [ 288.229282][ T31] [ 288.233067][ T31] Kernel Offset: disabled [ 288.237486][ T31] Rebooting in 86400 seconds..