Warning: Permanently added '10.128.1.97' (ED25519) to the list of known hosts.
2025/12/29 04:25:16 parsed 1 programs
[ 109.213059][ T30] audit: type=1400 audit(1766982316.082:64): avc: denied { node_bind } for pid=282 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1
[ 109.222169][ T30] audit: type=1400 audit(1766982316.092:65): avc: denied { module_request } for pid=282 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1
[ 110.204208][ T30] audit: type=1400 audit(1766982317.082:66): avc: denied { mounton } for pid=290 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1
[ 110.209139][ T290] cgroup: Unknown subsys name 'net'
[ 110.227191][ T30] audit: type=1400 audit(1766982317.082:67): avc: denied { mount } for pid=290 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 110.254299][ T30] audit: type=1400 audit(1766982317.102:68): avc: denied { unmount } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 110.254744][ T290] cgroup: Unknown subsys name 'devices'
[ 110.456143][ T290] cgroup: Unknown subsys name 'hugetlb'
[ 110.461757][ T290] cgroup: Unknown subsys name 'rlimit'
[ 110.699310][ T30] audit: type=1400 audit(1766982317.572:69): avc: denied { setattr } for pid=290 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=254 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 110.722556][ T30] audit: type=1400 audit(1766982317.572:70): avc: denied { create } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 110.743348][ T30] audit: type=1400 audit(1766982317.572:71): avc: denied { write } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 110.756653][ T293] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped).
[ 110.764491][ T30] audit: type=1400 audit(1766982317.572:72): avc: denied { read } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
Setting up swapspace version 1, size = 127995904 bytes
[ 110.792769][ T30] audit: type=1400 audit(1766982317.582:73): avc: denied { mounton } for pid=290 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1
[ 110.811393][ T290] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 111.234196][ T295] request_module fs-gadgetfs succeeded, but still no fs?
[ 111.719644][ T334] bridge0: port 1(bridge_slave_0) entered blocking state
[ 111.726766][ T334] bridge0: port 1(bridge_slave_0) entered disabled state
[ 111.734578][ T334] device bridge_slave_0 entered promiscuous mode
[ 111.741579][ T334] bridge0: port 2(bridge_slave_1) entered blocking state
[ 111.748687][ T334] bridge0: port 2(bridge_slave_1) entered disabled state
[ 111.756218][ T334] device bridge_slave_1 entered promiscuous mode
[ 111.806570][ T334] bridge0: port 2(bridge_slave_1) entered blocking state
[ 111.813626][ T334] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 111.820999][ T334] bridge0: port 1(bridge_slave_0) entered blocking state
[ 111.828064][ T334] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 111.846440][ T266] bridge0: port 1(bridge_slave_0) entered disabled state
[ 111.853769][ T266] bridge0: port 2(bridge_slave_1) entered disabled state
[ 111.861350][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 111.868836][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 111.877793][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 111.886547][ T266] bridge0: port 1(bridge_slave_0) entered blocking state
[ 111.893582][ T266] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 111.902581][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 111.911018][ T266] bridge0: port 2(bridge_slave_1) entered blocking state
[ 111.918128][ T266] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 111.930604][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 111.940003][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 111.954644][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 111.966234][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 111.974711][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 111.982488][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 111.990895][ T334] device veth0_vlan entered promiscuous mode
[ 112.000964][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 112.010129][ T334] device veth1_macvtap entered promiscuous mode
[ 112.020318][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 112.030329][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 112.061401][ T334] syz-executor (334) used greatest stack depth: 21408 bytes left
2025/12/29 04:25:19 executed programs: 0
[ 112.564264][ T362] bridge0: port 1(bridge_slave_0) entered blocking state
[ 112.571329][ T362] bridge0: port 1(bridge_slave_0) entered disabled state
[ 112.578952][ T362] device bridge_slave_0 entered promiscuous mode
[ 112.585919][ T362] bridge0: port 2(bridge_slave_1) entered blocking state
[ 112.592973][ T362] bridge0: port 2(bridge_slave_1) entered disabled state
[ 112.600912][ T362] device bridge_slave_1 entered promiscuous mode
[ 112.679342][ T362] bridge0: port 2(bridge_slave_1) entered blocking state
[ 112.686470][ T362] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 112.693788][ T362] bridge0: port 1(bridge_slave_0) entered blocking state
[ 112.700885][ T362] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 112.724730][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 112.732445][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 112.739897][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 112.755092][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 112.763536][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 112.771755][ T8] bridge0: port 1(bridge_slave_0) entered blocking state
[ 112.778822][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 112.786355][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 112.794807][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 112.802957][ T8] bridge0: port 2(bridge_slave_1) entered blocking state
[ 112.810155][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 112.817618][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 112.825953][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 112.834065][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 112.842085][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 112.855265][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 112.863636][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 112.876991][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 112.884957][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 112.893261][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 112.901059][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 112.909105][ T362] device veth0_vlan entered promiscuous mode
[ 112.919394][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 112.927978][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 112.937069][ T362] device veth1_macvtap entered promiscuous mode
[ 112.946295][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 112.954133][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 112.962360][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 112.971808][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 112.980480][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 113.714965][ T10] device bridge_slave_1 left promiscuous mode
[ 113.721151][ T10] bridge0: port 2(bridge_slave_1) entered disabled state
[ 113.854449][ T10] device bridge_slave_0 left promiscuous mode
[ 113.860744][ T10] bridge0: port 1(bridge_slave_0) entered disabled state
[ 114.094092][ T10] device veth1_macvtap left promiscuous mode
[ 114.100155][ T10] device veth0_vlan left promiscuous mode
[ 253.463887][ T31] INFO: task kworker/u4:1:10 blocked for more than 122 seconds.
[ 253.471622][ T31] Not tainted syzkaller #0
[ 253.653821][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 253.662550][ T31] task:kworker/u4:1 state:D stack:20160 pid: 10 ppid: 2 flags:0x00004000
[ 254.003895][ T31] Workqueue: netns cleanup_net
[ 254.008768][ T31] Call Trace:
[ 254.012064][ T31]
[ 254.015049][ T31] __schedule+0xb6e/0x14c0
[ 254.019530][ T31] ? release_firmware_map_entry+0x190/0x190
[ 254.025482][ T31] ? __switch_to_asm+0x3a/0x60
[ 254.030283][ T31] ? kthread_data+0x50/0xc0
[ 254.034832][ T31] ? wq_worker_sleeping+0x60/0x200
[ 254.039982][ T31] schedule+0x11e/0x1e0
[ 254.044207][ T31] schedule_timeout+0xa6/0x2e0
[ 254.049099][ T31] ? console_conditional_schedule+0x30/0x30
[ 254.055035][ T31] ? __prepare_to_swait+0xa8/0x130
[ 254.060177][ T31] wait_for_common+0x26b/0x420
[ 254.064986][ T31] ? __kasan_check_write+0x14/0x20
[ 254.070128][ T31] ? wait_for_completion+0x20/0x20
[ 254.075276][ T31] ? mutex_unlock+0x89/0x220
[ 254.079895][ T31] ? __mutex_lock_slowpath+0x10/0x10
[ 254.085227][ T31] ? flush_workqueue_prep_pwqs+0x424/0x480
[ 254.091061][ T31] ? check_flush_dependency+0xc4/0x370
[ 254.096584][ T31] wait_for_completion+0x18/0x20
[ 254.101559][ T31] flush_workqueue+0x5a6/0x12d0
[ 254.106452][ T31] ? flush_work+0x20/0x20
[ 254.110807][ T31] ? rcu_work_rcufn+0x50/0x50
[ 254.115531][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 254.121368][ T31] peer_remove_after_dead+0x98/0x1a0
[ 254.126695][ T31] wg_peer_remove_all+0x3e2/0x450
[ 254.131743][ T31] ? peer_remove_after_dead+0x1a0/0x1a0
[ 254.137326][ T31] wg_destruct+0x18e/0x300
[ 254.141771][ T31] ? wg_xmit+0xb20/0xb20
[ 254.146050][ T31] netdev_run_todo+0x773/0x990
[ 254.150845][ T31] ? netdev_refcnt_read+0x60/0x60
[ 254.155923][ T31] ? unregister_netdevice_queue+0x1aa/0x360
[ 254.161846][ T31] ? list_netdevice+0x4c0/0x4c0
[ 254.166746][ T31] rtnl_unlock+0xe/0x10
[ 254.170934][ T31] default_device_exit_batch+0x335/0x390
[ 254.176611][ T31] ? default_device_exit+0x360/0x360
[ 254.181930][ T31] ? wait_woken+0x170/0x170
[ 254.186493][ T31] ? rtnl_unlock+0xe/0x10
[ 254.190853][ T31] ? default_device_exit+0x360/0x360
[ 254.196187][ T31] cleanup_net+0x602/0xad0
[ 254.200636][ T31] ? ops_init+0x4a0/0x4a0
[ 254.205003][ T31] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 254.210402][ T31] process_one_work+0x6be/0xba0
[ 254.215292][ T31] worker_thread+0xa59/0x1200
[ 254.220001][ T31] ? __kthread_parkme+0xac/0x200
[ 254.224977][ T31] kthread+0x411/0x500
[ 254.229077][ T31] ? worker_clr_flags+0x190/0x190
[ 254.234226][ T31] ? kthread_blkcg+0xd0/0xd0
[ 254.238837][ T31] ret_from_fork+0x1f/0x30
[ 254.243285][ T31]
[ 254.363880][ T31] NMI backtrace for cpu 1
[ 254.368274][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 254.375511][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 254.385585][ T31] Call Trace:
[ 254.388918][ T31]
[ 254.391873][ T31] __dump_stack+0x21/0x30
[ 254.396263][ T31] dump_stack_lvl+0xee/0x150
[ 254.400884][ T31] ? show_regs_print_info+0x20/0x20
[ 254.406120][ T31] dump_stack+0x15/0x20
[ 254.410305][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 254.415265][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 254.420866][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 254.427047][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 254.432013][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 254.438105][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 254.444203][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 254.450213][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 254.456131][ T31] watchdog+0xd64/0xea0
[ 254.460323][ T31] ? hungtask_pm_notify+0x50/0x50
[ 254.465379][ T31] ? __kasan_check_read+0x11/0x20
[ 254.470426][ T31] ? __kthread_parkme+0xac/0x200
[ 254.475389][ T31] ? preempt_count_add+0x90/0x1b0
[ 254.480486][ T31] kthread+0x411/0x500
[ 254.484578][ T31] ? hungtask_pm_notify+0x50/0x50
[ 254.489626][ T31] ? kthread_blkcg+0xd0/0xd0
[ 254.494247][ T31] ret_from_fork+0x1f/0x30
[ 254.498690][ T31]
[ 254.501781][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 254.507049][ C0] NMI backtrace for cpu 0
[ 254.507059][ C0] CPU: 0 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0
[ 254.507075][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 254.507090][ C0] RIP: 0010:update_stack_state+0x3a1/0x480
[ 254.507114][ C0] Code: 02 76 00 49 c7 06 00 00 00 00 48 83 45 d0 08 eb 10 48 8b 45 88 48 83 e8 80 48 89 45 d0 4c 8b 6d c0 48 8b 45 90 42 80 3c 20 00 <74> 08 4c 89 ef e8 55 01 76 00 65 48 8b 05 cd 2c d1 7e 49 39 45 00
[ 254.507128][ C0] RSP: 0018:ffffc90004b8f4f8 EFLAGS: 00000046
[ 254.507142][ C0] RAX: 1ffff92000971ece RBX: ffffc90004b8f648 RCX: ffffc90004b8fa01
[ 254.507156][ C0] RDX: ffffc90004b8fa10 RSI: 1ffff92000971eca RDI: ffffc90004b8f6a0
[ 254.507168][ C0] RBP: ffffc90004b8f5b8 R08: ffffc90004b8f710 R09: ffffc90004b8f708
[ 254.507180][ C0] R10: 0000000000000003 R11: 1ffff92000971ec9 R12: dffffc0000000000
[ 254.507191][ C0] R13: ffffc90004b8f670 R14: ffffc90004b8f6a0 R15: 1ffff92000971ed1
[ 254.507204][ C0] FS: 0000555580ca9500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 254.507218][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 254.507230][ C0] CR2: 0000000000000000 CR3: 0000000120f32000 CR4: 00000000003506b0
[ 254.507243][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 254.507252][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 254.507262][ C0] Call Trace:
[ 254.507266][ C0]
[ 254.507275][ C0] unwind_next_frame+0x3d5/0x700
[ 254.507294][ C0] ? stack_trace_save+0xe0/0xe0
[ 254.507311][ C0] arch_stack_walk+0x108/0x140
[ 254.507330][ C0] ? __kasan_slab_free+0x11/0x20
[ 254.507346][ C0] stack_trace_save+0x98/0xe0
[ 254.507361][ C0] ? stack_trace_snprint+0xf0/0xf0
[ 254.507376][ C0] ? 0xffffffffa00285a4
[ 254.507388][ C0] ? is_bpf_text_address+0x177/0x190
[ 254.507405][ C0] ? memset+0x35/0x40
[ 254.507420][ C0] kasan_set_track+0x4a/0x70
[ 254.507434][ C0] ? kasan_set_track+0x4a/0x70
[ 254.507447][ C0] ? kasan_set_free_info+0x23/0x40
[ 254.507462][ C0] ? ____kasan_slab_free+0x125/0x160
[ 254.507477][ C0] ? __kasan_slab_free+0x11/0x20
[ 254.507499][ C0] ? debug_smp_processor_id+0x17/0x20
[ 254.507515][ C0] ? kasan_quarantine_put+0x34/0x190
[ 254.507531][ C0] ? kmem_cache_free+0x100/0x320
[ 254.507548][ C0] kasan_set_free_info+0x23/0x40
[ 254.507569][ C0] ____kasan_slab_free+0x125/0x160
[ 254.507585][ C0] __kasan_slab_free+0x11/0x20
[ 254.507599][ C0] slab_free_freelist_hook+0xc2/0x190
[ 254.507617][ C0] ? __dequeue_signal+0x4ad/0x5c0
[ 254.507634][ C0] kmem_cache_free+0x100/0x320
[ 254.507651][ C0] __dequeue_signal+0x4ad/0x5c0
[ 254.507668][ C0] dequeue_signal+0xa0/0x440
[ 254.507684][ C0] get_signal+0x696/0x1480
[ 254.507704][ C0] arch_do_signal_or_restart+0xc1/0x10f0
[ 254.507722][ C0] ? load_gs_index+0xb0/0xb0
[ 254.507737][ C0] ? get_sigframe_size+0x10/0x10
[ 254.507756][ C0] exit_to_user_mode_loop+0xa7/0xe0
[ 254.507771][ C0] exit_to_user_mode_prepare+0x87/0xd0
[ 254.507786][ C0] syscall_exit_to_user_mode+0x1a/0x30
[ 254.507801][ C0] do_syscall_64+0x58/0xa0
[ 254.507819][ C0] ? clear_bhb_loop+0x50/0xa0
[ 254.507833][ C0] ? clear_bhb_loop+0x50/0xa0
[ 254.507847][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.507866][ C0] RIP: 0033:0x7f3dbb1da749
[ 254.507879][ C0] 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
[ 254.507892][ C0] RSP: 002b:00007ffe343a52e8 EFLAGS: 00000246
[ 254.507904][ C0] RAX: 0000000000000000 RBX: 00007f3dbb430fa8 RCX: 00007f3dbb1da749
[ 254.507915][ C0] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f3dbb430fac
[ 254.507926][ C0] RBP: 0000000000000000 R08: 000b3ee456453b58 R09: 00000007343a55df
[ 254.507937][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f3dbb430fac
[ 254.507947][ C0] R13: 00007f3dbb430fa0 R14: 0000000000000095 R15: 0000000000000003
[ 254.507960][ C0]
[ 278.413853][ T31] INFO: task kworker/u4:1:10 blocked for more than 147 seconds.
[ 278.421544][ T31] Not tainted syzkaller #0
[ 278.593812][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 278.602536][ T31] task:kworker/u4:1 state:D stack:20160 pid: 10 ppid: 2 flags:0x00004000
[ 279.003869][ T31] Workqueue: netns cleanup_net
[ 279.008717][ T31] Call Trace:
[ 279.012059][ T31]
[ 279.015040][ T31] __schedule+0xb6e/0x14c0
[ 279.019484][ T31] ? release_firmware_map_entry+0x190/0x190
[ 279.025430][ T31] ? __switch_to_asm+0x3a/0x60
[ 279.030311][ T31] ? kthread_data+0x50/0xc0
[ 279.034863][ T31] ? wq_worker_sleeping+0x60/0x200
[ 279.040001][ T31] schedule+0x11e/0x1e0
[ 279.044329][ T31] schedule_timeout+0xa6/0x2e0
[ 279.049116][ T31] ? console_conditional_schedule+0x30/0x30
[ 279.055054][ T31] ? __prepare_to_swait+0xa8/0x130
[ 279.060197][ T31] wait_for_common+0x26b/0x420
[ 279.065008][ T31] ? __kasan_check_write+0x14/0x20
[ 279.070323][ T31] ? wait_for_completion+0x20/0x20
[ 279.075479][ T31] ? mutex_unlock+0x89/0x220
[ 279.080194][ T31] ? __mutex_lock_slowpath+0x10/0x10
[ 279.085516][ T31] ? flush_workqueue_prep_pwqs+0x424/0x480
[ 279.091356][ T31] ? check_flush_dependency+0xc4/0x370
[ 279.096856][ T31] wait_for_completion+0x18/0x20
[ 279.101825][ T31] flush_workqueue+0x5a6/0x12d0
[ 279.106731][ T31] ? flush_work+0x20/0x20
[ 279.111091][ T31] ? rcu_work_rcufn+0x50/0x50
[ 279.115812][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 279.121648][ T31] peer_remove_after_dead+0x98/0x1a0
[ 279.126979][ T31] wg_peer_remove_all+0x3e2/0x450
[ 279.132041][ T31] ? peer_remove_after_dead+0x1a0/0x1a0
[ 279.137715][ T31] wg_destruct+0x18e/0x300
[ 279.142162][ T31] ? wg_xmit+0xb20/0xb20
[ 279.146439][ T31] netdev_run_todo+0x773/0x990
[ 279.151229][ T31] ? netdev_refcnt_read+0x60/0x60
[ 279.156285][ T31] ? unregister_netdevice_queue+0x1aa/0x360
[ 279.162291][ T31] ? list_netdevice+0x4c0/0x4c0
[ 279.167181][ T31] rtnl_unlock+0xe/0x10
[ 279.171363][ T31] default_device_exit_batch+0x335/0x390
[ 279.177052][ T31] ? default_device_exit+0x360/0x360
[ 279.182467][ T31] ? wait_woken+0x170/0x170
[ 279.187017][ T31] ? rtnl_unlock+0xe/0x10
[ 279.191373][ T31] ? default_device_exit+0x360/0x360
[ 279.196698][ T31] cleanup_net+0x602/0xad0
[ 279.201139][ T31] ? ops_init+0x4a0/0x4a0
[ 279.205506][ T31] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 279.210908][ T31] process_one_work+0x6be/0xba0
[ 279.215896][ T31] worker_thread+0xa59/0x1200
[ 279.220617][ T31] ? __kthread_parkme+0xac/0x200
[ 279.225589][ T31] kthread+0x411/0x500
[ 279.229695][ T31] ? worker_clr_flags+0x190/0x190
[ 279.234763][ T31] ? kthread_blkcg+0xd0/0xd0
[ 279.239490][ T31] ret_from_fork+0x1f/0x30
[ 279.243949][ T31]
[ 279.293852][ T31] NMI backtrace for cpu 1
[ 279.298231][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 279.305451][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 279.315524][ T31] Call Trace:
[ 279.318818][ T31]
[ 279.321762][ T31] __dump_stack+0x21/0x30
[ 279.326119][ T31] dump_stack_lvl+0xee/0x150
[ 279.330735][ T31] ? show_regs_print_info+0x20/0x20
[ 279.335966][ T31] dump_stack+0x15/0x20
[ 279.340142][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 279.345101][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 279.350671][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 279.356853][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 279.361902][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 279.367998][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 279.374185][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 279.380280][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 279.386197][ T31] watchdog+0xd64/0xea0
[ 279.390379][ T31] ? hungtask_pm_notify+0x50/0x50
[ 279.395429][ T31] ? __kasan_check_read+0x11/0x20
[ 279.400475][ T31] ? __kthread_parkme+0xac/0x200
[ 279.405432][ T31] ? preempt_count_add+0x90/0x1b0
[ 279.410484][ T31] kthread+0x411/0x500
[ 279.414576][ T31] ? hungtask_pm_notify+0x50/0x50
[ 279.419621][ T31] ? kthread_blkcg+0xd0/0xd0
[ 279.424239][ T31] ret_from_fork+0x1f/0x30
[ 279.428686][ T31]
[ 279.431791][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 279.437030][ C0] NMI backtrace for cpu 0
[ 279.437040][ C0] CPU: 0 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0
[ 279.437056][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 279.437065][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x1f/0x60
[ 279.437089][ C0] Code: 89 de e8 74 c9 3d 00 5b 5d c3 00 55 48 89 e5 48 8b 45 08 65 48 8b 0d 20 ae 99 7e 65 8b 15 21 ae 99 7e 81 e2 00 01 ff 00 74 11 <81> fa 00 01 00 00 75 35 83 b9 5c 0b 00 00 00 74 2c 8b 91 38 0b 00
[ 279.437102][ C0] RSP: 0018:ffffc90000007bb0 EFLAGS: 00000006
[ 279.437117][ C0] RAX: ffffffff8140b27b RBX: 0000000000000010 RCX: ffff888110dbbb40
[ 279.437129][ C0] RDX: 0000000000010000 RSI: 0000000000010000 RDI: 0000000000000000
[ 279.437139][ C0] RBP: ffffc90000007bb0 R08: dffffc0000000000 R09: ffff888107581aa0
[ 279.437151][ C0] R10: ffffed1020eb0359 R11: 1ffff11020eb0354 R12: dffffc0000000000
[ 279.437164][ C0] R13: 1ffff92000000f80 R14: 0000000000010000 R15: 0000000000010000
[ 279.437175][ C0] FS: 0000555580ca9500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 279.437195][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 279.437206][ C0] CR2: 0000000000000000 CR3: 0000000120f32000 CR4: 00000000003506b0
[ 279.437220][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 279.437229][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 279.437239][ C0] Call Trace:
[ 279.437243][ C0]
[ 279.437249][ C0] complete_signal+0x11b/0xd00
[ 279.437268][ C0] ? prepare_signal+0xb00/0xb00
[ 279.437286][ C0] __send_signal+0x8d2/0xc30
[ 279.437303][ C0] send_signal+0x422/0x580
[ 279.437319][ C0] do_send_sig_info+0xd6/0x210
[ 279.437335][ C0] group_send_sig_info+0x11a/0x3c0
[ 279.437351][ C0] ? __lock_task_sighand+0x100/0x100
[ 279.437369][ C0] do_bpf_send_signal+0x82/0x150
[ 279.437387][ C0] irq_work_run_list+0x169/0x240
[ 279.437404][ C0] ? irq_work_run+0xf0/0xf0
[ 279.437419][ C0] ? handle_softirqs+0x4bb/0x560
[ 279.437437][ C0] irq_work_run+0x6a/0xf0
[ 279.437452][ C0] __sysvec_irq_work+0x63/0x1a0
[ 279.437471][ C0] sysvec_irq_work+0xa1/0xc0
[ 279.437489][ C0]
[ 279.437494][ C0]
[ 279.437498][ C0] asm_sysvec_irq_work+0x1b/0x20
[ 279.437517][ C0] RIP: 0010:native_apic_msr_write+0x39/0x50
[ 279.437538][ C0] Code: 74 05 83 ff 30 75 12 5d c3 81 ff d0 00 00 00 74 f6 81 ff e0 00 00 00 74 ee c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 eb d9 89 f6 31 d2 e8 fa 76 3a 01 5d c3 0f 1f 84 00 00 00 00
[ 279.437550][ C0] RSP: 0018:ffffc90004b8fc20 EFLAGS: 00000246
[ 279.437562][ C0] RAX: 00000000000000f6 RBX: 00000000000000f6 RCX: 000000000000083f
[ 279.437572][ C0] RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f
[ 279.437581][ C0] RBP: ffffc90004b8fc20 R08: dffffc0000000000 R09: ffffed103ee065e7
[ 279.437593][ C0] R10: ffffed103ee065e7 R11: 1ffff1103ee065e6 R12: 0000000000000000
[ 279.437604][ C0] R13: dffffc0000000001 R14: ffffffff85e659f8 R15: dffffc0000000000
[ 279.437619][ C0] x2apic_send_IPI_self+0x5e/0x70
[ 279.437637][ C0] arch_irq_work_raise+0x86/0xd0
[ 279.437655][ C0] __irq_work_queue_local+0x115/0x190
[ 279.437671][ C0] irq_work_queue+0x9e/0x150
[ 279.437687][ C0] bpf_send_signal_common+0x2b2/0x420
[ 279.437704][ C0] ? trace_raw_output_bpf_trace_printk+0xd0/0xd0
[ 279.437724][ C0] bpf_send_signal+0x19/0x20
[ 279.437739][ C0] bpf_prog_7ba5217f62dcd359+0x38/0xa5c
[ 279.437752][ C0] bpf_trace_run2+0xb0/0x1b0
[ 279.437768][ C0] ? bpf_trace_run1+0x1b0/0x1b0
[ 279.437784][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 279.437803][ C0] __bpf_trace_sys_enter+0x62/0x70
[ 279.437819][ C0] trace_sys_enter+0x3d/0x50
[ 279.437832][ C0] syscall_trace_enter+0x118/0x180
[ 279.437847][ C0] syscall_enter_from_user_mode+0x1f/0x30
[ 279.437862][ C0] do_syscall_64+0x24/0xa0
[ 279.437878][ C0] ? clear_bhb_loop+0x50/0xa0
[ 279.437891][ C0] ? clear_bhb_loop+0x50/0xa0
[ 279.437905][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 279.437923][ C0] RIP: 0033:0x7f3dbb176829
[ 279.437935][ C0] Code: 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 04 25
[ 279.437948][ C0] RSP: 002b:00007ffe343a4d40 EFLAGS: 00000246 ORIG_RAX: 000000000000000f
[ 279.437963][ C0] RAX: ffffffffffffffda RBX: 00007f3dbb430fa8 RCX: 00007f3dbb176829
[ 279.437975][ C0] RDX: 00007ffe343a4d40 RSI: 00007ffe343a4e70 RDI: 0000000000000011
[ 279.437985][ C0] RBP: 0000000000000000 R08: 000b3ee456453b58 R09: 00000007343a55df
[ 279.437996][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f3dbb430fac
[ 279.438006][ C0] R13: 00007f3dbb430fa0 R14: 0000000000000095 R15: 0000000000000003
[ 279.438019][ C0]
[ 303.383842][ T31] INFO: task kworker/u4:1:10 blocked for more than 172 seconds.
[ 303.391534][ T31] Not tainted syzkaller #0
[ 303.593819][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 303.602640][ T31] task:kworker/u4:1 state:D stack:20160 pid: 10 ppid: 2 flags:0x00004000
[ 303.993844][ T31] Workqueue: netns cleanup_net
[ 303.998900][ T31] Call Trace:
[ 304.002287][ T31]
[ 304.005275][ T31] __schedule+0xb6e/0x14c0
[ 304.009721][ T31] ? release_firmware_map_entry+0x190/0x190
[ 304.015675][ T31] ? __switch_to_asm+0x3a/0x60
[ 304.020543][ T31] ? kthread_data+0x50/0xc0
[ 304.025079][ T31] ? wq_worker_sleeping+0x60/0x200
[ 304.030212][ T31] schedule+0x11e/0x1e0
[ 304.034410][ T31] schedule_timeout+0xa6/0x2e0
[ 304.039209][ T31] ? console_conditional_schedule+0x30/0x30
[ 304.045238][ T31] ? __prepare_to_swait+0xa8/0x130
[ 304.050391][ T31] wait_for_common+0x26b/0x420
[ 304.055209][ T31] ? __kasan_check_write+0x14/0x20
[ 304.060349][ T31] ? wait_for_completion+0x20/0x20
[ 304.065508][ T31] ? mutex_unlock+0x89/0x220
[ 304.070117][ T31] ? __mutex_lock_slowpath+0x10/0x10
[ 304.075433][ T31] ? flush_workqueue_prep_pwqs+0x424/0x480
[ 304.081260][ T31] ? check_flush_dependency+0xc4/0x370
[ 304.086746][ T31] wait_for_completion+0x18/0x20
[ 304.091707][ T31] flush_workqueue+0x5a6/0x12d0
[ 304.096595][ T31] ? flush_work+0x20/0x20
[ 304.100947][ T31] ? rcu_work_rcufn+0x50/0x50
[ 304.105706][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 304.111543][ T31] peer_remove_after_dead+0x98/0x1a0
[ 304.116858][ T31] wg_peer_remove_all+0x3e2/0x450
[ 304.121907][ T31] ? peer_remove_after_dead+0x1a0/0x1a0
[ 304.127496][ T31] wg_destruct+0x18e/0x300
[ 304.131929][ T31] ? wg_xmit+0xb20/0xb20
[ 304.136201][ T31] netdev_run_todo+0x773/0x990
[ 304.140994][ T31] ? netdev_refcnt_read+0x60/0x60
[ 304.146055][ T31] ? unregister_netdevice_queue+0x1aa/0x360
[ 304.152061][ T31] ? list_netdevice+0x4c0/0x4c0
[ 304.156947][ T31] rtnl_unlock+0xe/0x10
[ 304.161128][ T31] default_device_exit_batch+0x335/0x390
[ 304.166791][ T31] ? default_device_exit+0x360/0x360
[ 304.172094][ T31] ? wait_woken+0x170/0x170
[ 304.176634][ T31] ? rtnl_unlock+0xe/0x10
[ 304.180980][ T31] ? default_device_exit+0x360/0x360
[ 304.186300][ T31] cleanup_net+0x602/0xad0
[ 304.190748][ T31] ? ops_init+0x4a0/0x4a0
[ 304.195118][ T31] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 304.200519][ T31] process_one_work+0x6be/0xba0
[ 304.205432][ T31] worker_thread+0xa59/0x1200
[ 304.210136][ T31] ? __kthread_parkme+0xac/0x200
[ 304.215105][ T31] kthread+0x411/0x500
[ 304.219196][ T31] ? worker_clr_flags+0x190/0x190
[ 304.224286][ T31] ? kthread_blkcg+0xd0/0xd0
[ 304.228935][ T31] ret_from_fork+0x1f/0x30
[ 304.233382][ T31]
[ 304.313847][ T31] NMI backtrace for cpu 1
[ 304.318265][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 304.325487][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 304.335563][ T31] Call Trace:
[ 304.338856][ T31]
[ 304.341802][ T31] __dump_stack+0x21/0x30
[ 304.346164][ T31] dump_stack_lvl+0xee/0x150
[ 304.350793][ T31] ? show_regs_print_info+0x20/0x20
[ 304.356018][ T31] dump_stack+0x15/0x20
[ 304.360223][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 304.365180][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 304.370749][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 304.377019][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 304.382003][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 304.388099][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 304.394197][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 304.400196][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 304.406110][ T31] watchdog+0xd64/0xea0
[ 304.410302][ T31] ? hungtask_pm_notify+0x50/0x50
[ 304.415545][ T31] ? __kasan_check_read+0x11/0x20
[ 304.420595][ T31] ? __kthread_parkme+0xac/0x200
[ 304.425561][ T31] ? preempt_count_add+0x90/0x1b0
[ 304.430621][ T31] kthread+0x411/0x500
[ 304.434714][ T31] ? hungtask_pm_notify+0x50/0x50
[ 304.439761][ T31] ? kthread_blkcg+0xd0/0xd0
[ 304.444383][ T31] ret_from_fork+0x1f/0x30
[ 304.448827][ T31]
[ 304.451911][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 304.457152][ C0] NMI backtrace for cpu 0
[ 304.457161][ C0] CPU: 0 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0
[ 304.457177][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 304.457187][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60
[ 304.457209][ C0] Code: 00 00 00 0f 0b 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 3c 6c 80 05 48 89 de e8 74 c9 3d 00 5b 5d c3 00 <55> 48 89 e5 48 8b 45 08 65 48 8b 0d 20 ae 99 7e 65 8b 15 21 ae 99
[ 304.457223][ C0] RSP: 0018:ffffc90004b8fc80 EFLAGS: 00000287
[ 304.457237][ C0] RAX: 00007ffe343a4e28 RBX: 00000000000000c0 RCX: ffff888110dbbb40
[ 304.457249][ C0] RDX: 0000000000000000 RSI: 00007ffe343a4e28 RDI: 00007ffffffff000
[ 304.457260][ C0] RBP: ffffc90004b8fcb0 R08: dffffc0000000000 R09: ffffc90004b8fd40
[ 304.457273][ C0] R10: 0000000000000000 R11: 0000000000000020 R12: 00007ffffffff000
[ 304.457283][ C0] R13: 00007ffe343a4e28 R14: ffffc90004b8fd40 R15: 00007ffe343a4d68
[ 304.457295][ C0] FS: 0000555580ca9500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 304.457309][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 304.457321][ C0] CR2: 0000000000000000 CR3: 0000000120f32000 CR4: 00000000003506b0
[ 304.457335][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 304.457345][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 304.457354][ C0] Call Trace:
[ 304.457359][ C0]
[ 304.457363][ C0] ? _copy_from_user+0x64/0xd0
[ 304.457379][ C0] __ia32_sys_rt_sigreturn+0x1b0/0x6c0
[ 304.457398][ C0] ? trace_raw_output_bpf_trace_printk+0xd0/0xd0
[ 304.457416][ C0] ? load_gs_index+0xb0/0xb0
[ 304.457435][ C0] ? sched_clock+0x9/0x10
[ 304.457449][ C0] ? sched_clock_cpu+0x18/0x3c0
[ 304.457465][ C0] ? __bpf_trace_sys_enter+0x62/0x70
[ 304.457481][ C0] ? trace_sys_enter+0x3d/0x50
[ 304.457495][ C0] x64_sys_call+0x4ab/0x9a0
[ 304.457510][ C0] do_syscall_64+0x4c/0xa0
[ 304.457527][ C0] ? clear_bhb_loop+0x50/0xa0
[ 304.457541][ C0] ? clear_bhb_loop+0x50/0xa0
[ 304.457554][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 304.457573][ C0] RIP: 0033:0x7f3dbb176829
[ 304.457592][ C0] Code: 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 04 25
[ 304.457605][ C0] RSP: 002b:00007ffe343a4d40 EFLAGS: 00000246 ORIG_RAX: 000000000000000f
[ 304.457620][ C0] RAX: ffffffffffffffda RBX: 00007f3dbb430fa8 RCX: 00007f3dbb176829
[ 304.457632][ C0] RDX: 00007ffe343a4d40 RSI: 00007ffe343a4e70 RDI: 0000000000000011
[ 304.457643][ C0] RBP: 0000000000000000 R08: 000b3ee456453b58 R09: 00000007343a55df
[ 304.457653][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f3dbb430fac
[ 304.457663][ C0] R13: 00007f3dbb430fa0 R14: 0000000000000095 R15: 0000000000000003
[ 304.457676][ C0]
[ 328.343805][ T31] INFO: task kworker/u4:1:10 blocked for more than 197 seconds.
[ 328.351714][ T31] Not tainted syzkaller #0
[ 328.533787][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 328.542523][ T31] task:kworker/u4:1 state:D stack:20160 pid: 10 ppid: 2 flags:0x00004000
[ 328.943848][ T31] Workqueue: netns cleanup_net
[ 328.948715][ T31] Call Trace:
[ 328.952016][ T31]
[ 328.955002][ T31] __schedule+0xb6e/0x14c0
[ 328.959453][ T31] ? release_firmware_map_entry+0x190/0x190
[ 328.965395][ T31] ? __switch_to_asm+0x3a/0x60
[ 328.970185][ T31] ? kthread_data+0x50/0xc0
[ 328.974728][ T31] ? wq_worker_sleeping+0x60/0x200
[ 328.979865][ T31] schedule+0x11e/0x1e0
[ 328.984064][ T31] schedule_timeout+0xa6/0x2e0
[ 328.988857][ T31] ? console_conditional_schedule+0x30/0x30
[ 328.994827][ T31] ? __prepare_to_swait+0xa8/0x130
[ 328.999971][ T31] wait_for_common+0x26b/0x420
[ 329.004769][ T31] ? __kasan_check_write+0x14/0x20
[ 329.009917][ T31] ? wait_for_completion+0x20/0x20
[ 329.015075][ T31] ? mutex_unlock+0x89/0x220
[ 329.019705][ T31] ? __mutex_lock_slowpath+0x10/0x10
[ 329.025027][ T31] ? flush_workqueue_prep_pwqs+0x424/0x480
[ 329.030869][ T31] ? check_flush_dependency+0xc4/0x370
[ 329.036381][ T31] wait_for_completion+0x18/0x20
[ 329.041396][ T31] flush_workqueue+0x5a6/0x12d0
[ 329.046299][ T31] ? flush_work+0x20/0x20
[ 329.050653][ T31] ? rcu_work_rcufn+0x50/0x50
[ 329.055372][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 329.061206][ T31] peer_remove_after_dead+0x98/0x1a0
[ 329.066523][ T31] wg_peer_remove_all+0x3e2/0x450
[ 329.071574][ T31] ? peer_remove_after_dead+0x1a0/0x1a0
[ 329.077162][ T31] wg_destruct+0x18e/0x300
[ 329.081617][ T31] ? wg_xmit+0xb20/0xb20
[ 329.085914][ T31] netdev_run_todo+0x773/0x990
[ 329.090757][ T31] ? netdev_refcnt_read+0x60/0x60
[ 329.095836][ T31] ? unregister_netdevice_queue+0x1aa/0x360
[ 329.101756][ T31] ? list_netdevice+0x4c0/0x4c0
[ 329.106654][ T31] rtnl_unlock+0xe/0x10
[ 329.110838][ T31] default_device_exit_batch+0x335/0x390
[ 329.117095][ T31] ? default_device_exit+0x360/0x360
[ 329.122411][ T31] ? wait_woken+0x170/0x170
[ 329.126957][ T31] ? rtnl_unlock+0xe/0x10
[ 329.131315][ T31] ? default_device_exit+0x360/0x360
[ 329.136632][ T31] cleanup_net+0x602/0xad0
[ 329.141086][ T31] ? ops_init+0x4a0/0x4a0
[ 329.145450][ T31] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 329.150864][ T31] process_one_work+0x6be/0xba0
[ 329.155757][ T31] worker_thread+0xa59/0x1200
[ 329.160467][ T31] ? __kthread_parkme+0xac/0x200
[ 329.165452][ T31] kthread+0x411/0x500
[ 329.169563][ T31] ? worker_clr_flags+0x190/0x190
[ 329.174639][ T31] ? kthread_blkcg+0xd0/0xd0
[ 329.179263][ T31] ret_from_fork+0x1f/0x30
[ 329.183708][ T31]
[ 329.243833][ T31] NMI backtrace for cpu 1
[ 329.248219][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 329.255442][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 329.265514][ T31] Call Trace:
[ 329.268825][ T31]
[ 329.271780][ T31] __dump_stack+0x21/0x30
[ 329.276134][ T31] dump_stack_lvl+0xee/0x150
[ 329.280746][ T31] ? show_regs_print_info+0x20/0x20
[ 329.285967][ T31] dump_stack+0x15/0x20
[ 329.290179][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 329.295154][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 329.300730][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 329.306922][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 329.311885][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 329.317984][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 329.324078][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 329.330098][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 329.336014][ T31] watchdog+0xd64/0xea0
[ 329.340195][ T31] ? hungtask_pm_notify+0x50/0x50
[ 329.345247][ T31] ? __kasan_check_read+0x11/0x20
[ 329.350309][ T31] ? __kthread_parkme+0xac/0x200
[ 329.355271][ T31] ? preempt_count_add+0x90/0x1b0
[ 329.360324][ T31] kthread+0x411/0x500
[ 329.364412][ T31] ? hungtask_pm_notify+0x50/0x50
[ 329.369461][ T31] ? kthread_blkcg+0xd0/0xd0
[ 329.374088][ T31] ret_from_fork+0x1f/0x30
[ 329.378536][ T31]
[ 329.381649][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 329.386897][ C0] NMI backtrace for cpu 0
[ 329.386907][ C0] CPU: 0 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0
[ 329.386930][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 329.386940][ C0] RIP: 0010:____kasan_slab_free+0xaf/0x160
[ 329.386961][ C0] Code: d6 45 89 c5 41 89 cc 48 89 f0 48 c1 e0 06 48 b9 00 00 00 00 80 08 05 00 48 01 c1 48 89 d8 48 29 c8 41 8b 7e 18 48 99 48 f7 ff <48> 89 d8 48 29 d0 0f b7 76 2a 81 e6 ff 7f 00 00 ff ce 0f af f7 48
[ 329.386974][ C0] RSP: 0018:ffffc90004b8f9d8 EFLAGS: 00000006
[ 329.386989][ C0] RAX: 0000000000000003 RBX: ffff88812e249150 RCX: ffff88812e249000
[ 329.387001][ C0] RDX: 0000000000000000 RSI: ffffea0004b89240 RDI: 0000000000000070
[ 329.387011][ C0] RBP: ffffc90004b8fa00 R08: 0000000000000000 R09: fffffbfff0cdf605
[ 329.387022][ C0] R10: fffffbfff0cdf605 R11: 1ffffffff0cdf604 R12: 0000000000000001
[ 329.387034][ C0] R13: 0000000000000000 R14: ffff8881001c4480 R15: ffffffff81a689c0
[ 329.387045][ C0] FS: 0000555580ca9500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 329.387060][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 329.387071][ C0] CR2: 0000000000000000 CR3: 0000000120f32000 CR4: 00000000003506b0
[ 329.387085][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 329.387094][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 329.387104][ C0] Call Trace:
[ 329.387108][ C0]
[ 329.387114][ C0] __kasan_slab_free+0x11/0x20
[ 329.387129][ C0] slab_free_freelist_hook+0xc2/0x190
[ 329.387149][ C0] ? __dequeue_signal+0x4ad/0x5c0
[ 329.387165][ C0] kmem_cache_free+0x100/0x320
[ 329.387183][ C0] __dequeue_signal+0x4ad/0x5c0
[ 329.387200][ C0] dequeue_signal+0xa0/0x440
[ 329.387216][ C0] get_signal+0x696/0x1480
[ 329.387235][ C0] arch_do_signal_or_restart+0xc1/0x10f0
[ 329.387254][ C0] ? load_gs_index+0xb0/0xb0
[ 329.387269][ C0] ? get_sigframe_size+0x10/0x10
[ 329.387287][ C0] exit_to_user_mode_loop+0xa7/0xe0
[ 329.387304][ C0] exit_to_user_mode_prepare+0x87/0xd0
[ 329.387319][ C0] syscall_exit_to_user_mode+0x1a/0x30
[ 329.387335][ C0] do_syscall_64+0x58/0xa0
[ 329.387351][ C0] ? clear_bhb_loop+0x50/0xa0
[ 329.387365][ C0] ? clear_bhb_loop+0x50/0xa0
[ 329.387379][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 329.387398][ C0] RIP: 0033:0x7f3dbb1da749
[ 329.387412][ C0] 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
[ 329.387424][ C0] RSP: 002b:00007ffe343a52e8 EFLAGS: 00000246
[ 329.387437][ C0] RAX: 0000000000000000 RBX: 00007f3dbb430fa8 RCX: 00007f3dbb1da749
[ 329.387448][ C0] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f3dbb430fac
[ 329.387458][ C0] RBP: 0000000000000000 R08: 000b3ee456453b58 R09: 00000007343a55df
[ 329.387469][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f3dbb430fac
[ 329.387479][ C0] R13: 00007f3dbb430fa0 R14: 0000000000000095 R15: 0000000000000003
[ 329.387492][ C0]
[ 353.943799][ T31] INFO: task kworker/u4:1:10 blocked for more than 223 seconds.
[ 353.951571][ T31] Not tainted syzkaller #0
[ 354.123798][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 354.132536][ T31] task:kworker/u4:1 state:D stack:20160 pid: 10 ppid: 2 flags:0x00004000
[ 354.583840][ T31] Workqueue: netns cleanup_net
[ 354.588682][ T31] Call Trace:
[ 354.591990][ T31]
[ 354.594980][ T31] __schedule+0xb6e/0x14c0
[ 354.599429][ T31] ? release_firmware_map_entry+0x190/0x190
[ 354.605371][ T31] ? __switch_to_asm+0x3a/0x60
[ 354.610162][ T31] ? kthread_data+0x50/0xc0
[ 354.614700][ T31] ? wq_worker_sleeping+0x60/0x200
[ 354.619878][ T31] schedule+0x11e/0x1e0
[ 354.624076][ T31] schedule_timeout+0xa6/0x2e0
[ 354.628865][ T31] ? console_conditional_schedule+0x30/0x30
[ 354.634798][ T31] ? __prepare_to_swait+0xa8/0x130
[ 354.639938][ T31] wait_for_common+0x26b/0x420
[ 354.644735][ T31] ? __kasan_check_write+0x14/0x20
[ 354.649871][ T31] ? wait_for_completion+0x20/0x20
[ 354.655022][ T31] ? mutex_unlock+0x89/0x220
[ 354.659639][ T31] ? __mutex_lock_slowpath+0x10/0x10
[ 354.664955][ T31] ? flush_workqueue_prep_pwqs+0x424/0x480
[ 354.670786][ T31] ? check_flush_dependency+0xc4/0x370
[ 354.676296][ T31] wait_for_completion+0x18/0x20
[ 354.681262][ T31] flush_workqueue+0x5a6/0x12d0
[ 354.686170][ T31] ? flush_work+0x20/0x20
[ 354.690523][ T31] ? rcu_work_rcufn+0x50/0x50
[ 354.695234][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 354.701073][ T31] peer_remove_after_dead+0x98/0x1a0
[ 354.706416][ T31] wg_peer_remove_all+0x3e2/0x450
[ 354.711463][ T31] ? peer_remove_after_dead+0x1a0/0x1a0
[ 354.717046][ T31] wg_destruct+0x18e/0x300
[ 354.721514][ T31] ? wg_xmit+0xb20/0xb20
[ 354.725795][ T31] netdev_run_todo+0x773/0x990
[ 354.730590][ T31] ? netdev_refcnt_read+0x60/0x60
[ 354.735650][ T31] ? unregister_netdevice_queue+0x1aa/0x360
[ 354.741574][ T31] ? list_netdevice+0x4c0/0x4c0
[ 354.746459][ T31] rtnl_unlock+0xe/0x10
[ 354.750634][ T31] default_device_exit_batch+0x335/0x390
[ 354.756311][ T31] ? default_device_exit+0x360/0x360
[ 354.761663][ T31] ? wait_woken+0x170/0x170
[ 354.766207][ T31] ? rtnl_unlock+0xe/0x10
[ 354.770568][ T31] ? default_device_exit+0x360/0x360
[ 354.775888][ T31] cleanup_net+0x602/0xad0
[ 354.780322][ T31] ? ops_init+0x4a0/0x4a0
[ 354.784703][ T31] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 354.790109][ T31] process_one_work+0x6be/0xba0
[ 354.795009][ T31] worker_thread+0xa59/0x1200
[ 354.799710][ T31] ? __kthread_parkme+0xac/0x200
[ 354.804680][ T31] kthread+0x411/0x500
[ 354.808765][ T31] ? worker_clr_flags+0x190/0x190
[ 354.813820][ T31] ? kthread_blkcg+0xd0/0xd0
[ 354.818437][ T31] ret_from_fork+0x1f/0x30
[ 354.822881][ T31]
[ 354.834172][ T31] NMI backtrace for cpu 1
[ 354.838546][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 354.845760][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 354.855828][ T31] Call Trace:
[ 354.859117][ T31]
[ 354.862060][ T31] __dump_stack+0x21/0x30
[ 354.866414][ T31] dump_stack_lvl+0xee/0x150
[ 354.871031][ T31] ? show_regs_print_info+0x20/0x20
[ 354.876254][ T31] dump_stack+0x15/0x20
[ 354.880435][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 354.885399][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 354.890967][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 354.897145][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 354.902119][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 354.908208][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 354.914305][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 354.920308][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 354.926218][ T31] watchdog+0xd64/0xea0
[ 354.930399][ T31] ? hungtask_pm_notify+0x50/0x50
[ 354.935449][ T31] ? __kasan_check_read+0x11/0x20
[ 354.940496][ T31] ? __kthread_parkme+0xac/0x200
[ 354.945450][ T31] ? preempt_count_add+0x90/0x1b0
[ 354.950496][ T31] kthread+0x411/0x500
[ 354.954580][ T31] ? hungtask_pm_notify+0x50/0x50
[ 354.959625][ T31] ? kthread_blkcg+0xd0/0xd0
[ 354.964247][ T31] ret_from_fork+0x1f/0x30
[ 354.968695][ T31]
[ 354.971825][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 354.977064][ C0] NMI backtrace for cpu 0
[ 354.977074][ C0] CPU: 0 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0
[ 354.977090][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 354.977099][ C0] RIP: 0010:update_stack_state+0x50/0x480
[ 354.977124][ C0] Code: f8 48 c1 e8 03 48 89 45 b8 42 0f b6 04 28 84 c0 0f 85 ff 03 00 00 8b 03 89 45 ac 48 8d 7b 58 48 89 f8 48 c1 e8 03 48 89 45 98 <42> 80 3c 28 00 48 89 7d c8 74 09 e8 a0 04 76 00 48 8b 7d c8 48 8b
[ 354.977137][ C0] RSP: 0018:ffffc90004b8f4f8 EFLAGS: 00000806
[ 354.977152][ C0] RAX: 1ffff92000971ed4 RBX: ffffc90004b8f648 RCX: 1ffff92000971e01
[ 354.977165][ C0] RDX: dffffc0000000000 RSI: ffffc90004b8f770 RDI: ffffc90004b8f6a0
[ 354.977177][ C0] RBP: ffffc90004b8f5b8 R08: ffffc90004b8f710 R09: ffffc90004b8f708
[ 354.977189][ C0] R10: 0000000000000000 R11: 1ffff92000971ec9 R12: 0000000000000000
[ 354.977200][ C0] R13: dffffc0000000000 R14: ffffc90004b8f6a0 R15: ffffc90004b8f770
[ 354.977212][ C0] FS: 0000555580ca9500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 354.977227][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 354.977239][ C0] CR2: 0000000000000000 CR3: 0000000120f32000 CR4: 00000000003506b0
[ 354.977252][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 354.977262][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 354.977271][ C0] Call Trace:
[ 354.977276][ C0]
[ 354.977282][ C0] ? unwind_next_frame+0x3d5/0x700
[ 354.977302][ C0] unwind_next_frame+0x3d5/0x700
[ 354.977320][ C0] ? stack_trace_save+0xe0/0xe0
[ 354.977336][ C0] arch_stack_walk+0x108/0x140
[ 354.977355][ C0] ? stack_trace_save+0x98/0xe0
[ 354.977371][ C0] stack_trace_save+0x98/0xe0
[ 354.977385][ C0] ? stack_trace_snprint+0xf0/0xf0
[ 354.977400][ C0] ? 0xffffffffa00285a4
[ 354.977411][ C0] ? is_bpf_text_address+0x177/0x190
[ 354.977434][ C0] ? memset+0x35/0x40
[ 354.977450][ C0] kasan_set_track+0x4a/0x70
[ 354.977473][ C0] ? debug_smp_processor_id+0x17/0x20
[ 354.977488][ C0] ? kasan_quarantine_put+0x34/0x190
[ 354.977505][ C0] ? kmem_cache_free+0x100/0x320
[ 354.977522][ C0] kasan_set_free_info+0x23/0x40
[ 354.977538][ C0] ____kasan_slab_free+0x125/0x160
[ 354.977553][ C0] __kasan_slab_free+0x11/0x20
[ 354.977568][ C0] slab_free_freelist_hook+0xc2/0x190
[ 354.977586][ C0] ? __dequeue_signal+0x4ad/0x5c0
[ 354.977603][ C0] kmem_cache_free+0x100/0x320
[ 354.977621][ C0] __dequeue_signal+0x4ad/0x5c0
[ 354.977638][ C0] dequeue_signal+0xa0/0x440
[ 354.977654][ C0] get_signal+0x696/0x1480
[ 354.977673][ C0] arch_do_signal_or_restart+0xc1/0x10f0
[ 354.977693][ C0] ? load_gs_index+0xb0/0xb0
[ 354.977708][ C0] ? get_sigframe_size+0x10/0x10
[ 354.977725][ C0] ? sched_clock+0x9/0x10
[ 354.977739][ C0] ? sched_clock_cpu+0x18/0x3c0
[ 354.977755][ C0] exit_to_user_mode_loop+0xa7/0xe0
[ 354.977770][ C0] exit_to_user_mode_prepare+0x87/0xd0
[ 354.977786][ C0] syscall_exit_to_user_mode+0x1a/0x30
[ 354.977801][ C0] do_syscall_64+0x58/0xa0
[ 354.977817][ C0] ? clear_bhb_loop+0x50/0xa0
[ 354.977831][ C0] ? clear_bhb_loop+0x50/0xa0
[ 354.977845][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 354.977863][ C0] RIP: 0033:0x7f3dbb1da749
[ 354.977876][ C0] 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
[ 354.977888][ C0] RSP: 002b:00007ffe343a52e8 EFLAGS: 00000246
[ 354.977900][ C0] RAX: 0000000000000000 RBX: 00007f3dbb430fa8 RCX: 00007f3dbb1da749
[ 354.977911][ C0] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f3dbb430fac
[ 354.977922][ C0] RBP: 0000000000000000 R08: 000b3ee456453b58 R09: 00000007343a55df
[ 354.977932][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f3dbb430fac
[ 354.977942][ C0] R13: 00007f3dbb430fa0 R14: 0000000000000095 R15: 0000000000000003
[ 354.977956][ C0]
[ 379.533795][ T31] INFO: task kworker/u4:1:10 blocked for more than 248 seconds.
[ 379.541600][ T31] Not tainted syzkaller #0
[ 379.723828][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 379.732558][ T31] task:kworker/u4:1 state:D stack:20160 pid: 10 ppid: 2 flags:0x00004000
[ 380.103816][ T31] Workqueue: netns cleanup_net
[ 380.108652][ T31] Call Trace:
[ 380.112000][ T31]
[ 380.114979][ T31] __schedule+0xb6e/0x14c0
[ 380.119426][ T31] ? release_firmware_map_entry+0x190/0x190
[ 380.125389][ T31] ? __switch_to_asm+0x3a/0x60
[ 380.130180][ T31] ? kthread_data+0x50/0xc0
[ 380.134720][ T31] ? wq_worker_sleeping+0x60/0x200
[ 380.139976][ T31] schedule+0x11e/0x1e0
[ 380.144207][ T31] schedule_timeout+0xa6/0x2e0
[ 380.149005][ T31] ? console_conditional_schedule+0x30/0x30
[ 380.154952][ T31] ? __prepare_to_swait+0xa8/0x130
[ 380.160090][ T31] wait_for_common+0x26b/0x420
[ 380.164893][ T31] ? __kasan_check_write+0x14/0x20
[ 380.170031][ T31] ? wait_for_completion+0x20/0x20
[ 380.175244][ T31] ? mutex_unlock+0x89/0x220
[ 380.179865][ T31] ? __mutex_lock_slowpath+0x10/0x10
[ 380.185186][ T31] ? flush_workqueue_prep_pwqs+0x424/0x480
[ 380.191025][ T31] ? check_flush_dependency+0xc4/0x370
[ 380.196645][ T31] wait_for_completion+0x18/0x20
[ 380.201615][ T31] flush_workqueue+0x5a6/0x12d0
[ 380.206510][ T31] ? flush_work+0x20/0x20
[ 380.210865][ T31] ? rcu_work_rcufn+0x50/0x50
[ 380.215575][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 380.221410][ T31] peer_remove_after_dead+0x98/0x1a0
[ 380.226733][ T31] wg_peer_remove_all+0x3e2/0x450
[ 380.231788][ T31] ? peer_remove_after_dead+0x1a0/0x1a0
[ 380.237386][ T31] wg_destruct+0x18e/0x300
[ 380.241915][ T31] ? wg_xmit+0xb20/0xb20
[ 380.246202][ T31] netdev_run_todo+0x773/0x990
[ 380.251095][ T31] ? netdev_refcnt_read+0x60/0x60
[ 380.256155][ T31] ? unregister_netdevice_queue+0x1aa/0x360
[ 380.262075][ T31] ? list_netdevice+0x4c0/0x4c0
[ 380.266972][ T31] rtnl_unlock+0xe/0x10
[ 380.271162][ T31] default_device_exit_batch+0x335/0x390
[ 380.276850][ T31] ? default_device_exit+0x360/0x360
[ 380.282161][ T31] ? wait_woken+0x170/0x170
[ 380.286702][ T31] ? rtnl_unlock+0xe/0x10
[ 380.291065][ T31] ? default_device_exit+0x360/0x360
[ 380.296396][ T31] cleanup_net+0x602/0xad0
[ 380.300840][ T31] ? ops_init+0x4a0/0x4a0
[ 380.305209][ T31] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 380.310611][ T31] process_one_work+0x6be/0xba0
[ 380.315513][ T31] worker_thread+0xa59/0x1200
[ 380.320224][ T31] ? __kthread_parkme+0xac/0x200
[ 380.325204][ T31] kthread+0x411/0x500
[ 380.329298][ T31] ? worker_clr_flags+0x190/0x190
[ 380.334379][ T31] ? kthread_blkcg+0xd0/0xd0
[ 380.338996][ T31] ret_from_fork+0x1f/0x30
[ 380.343444][ T31]
[ 380.433806][ T31] NMI backtrace for cpu 1
[ 380.438209][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 380.445426][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 380.455502][ T31] Call Trace:
[ 380.458809][ T31]
[ 380.462025][ T31] __dump_stack+0x21/0x30
[ 380.466388][ T31] dump_stack_lvl+0xee/0x150
[ 380.471095][ T31] ? show_regs_print_info+0x20/0x20
[ 380.476419][ T31] dump_stack+0x15/0x20
[ 380.480601][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 380.485567][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 380.491132][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 380.497328][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 380.502297][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 380.508397][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 380.514594][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 380.520608][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 380.526528][ T31] watchdog+0xd64/0xea0
[ 380.530711][ T31] ? hungtask_pm_notify+0x50/0x50
[ 380.535764][ T31] ? __kasan_check_read+0x11/0x20
[ 380.540810][ T31] ? __kthread_parkme+0xac/0x200
[ 380.545778][ T31] ? preempt_count_add+0x90/0x1b0
[ 380.550827][ T31] kthread+0x411/0x500
[ 380.555018][ T31] ? hungtask_pm_notify+0x50/0x50
[ 380.560065][ T31] ? kthread_blkcg+0xd0/0xd0
[ 380.564684][ T31] ret_from_fork+0x1f/0x30
[ 380.569128][ T31]
[ 380.572236][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 380.577475][ C0] NMI backtrace for cpu 0
[ 380.577484][ C0] CPU: 0 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0
[ 380.577500][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 380.577508][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60
[ 380.577530][ C0] Code: 00 00 00 0f 0b 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 3c 6c 80 05 48 89 de e8 74 c9 3d 00 5b 5d c3 00 <55> 48 89 e5 48 8b 45 08 65 48 8b 0d 20 ae 99 7e 65 8b 15 21 ae 99
[ 380.577543][ C0] RSP: 0018:ffffc90004b8fc68 EFLAGS: 00000246
[ 380.577557][ C0] RAX: ffffffff812b3fc9 RBX: ffff888110dbca80 RCX: ffff888110dbbb40
[ 380.577569][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 380.577578][ C0] RBP: ffffc90004b8fc90 R08: 0000000000000000 R09: fffffbfff0bcca66
[ 380.577594][ C0] R10: fffffbfff0bcca66 R11: 1ffffffff0bcca60 R12: 0000000000000000
[ 380.577604][ C0] R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 380.577615][ C0] FS: 0000555580ca9500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 380.577629][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 380.577640][ C0] CR2: 0000000000000000 CR3: 0000000120f32000 CR4: 00000000003506b0
[ 380.577653][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 380.577662][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 380.577672][ C0] Call Trace:
[ 380.577676][ C0]
[ 380.577680][ C0] ? fpu__clear_user_states+0x87/0x210
[ 380.577699][ C0] arch_do_signal_or_restart+0xce0/0x10f0
[ 380.577719][ C0] ? get_sigframe_size+0x10/0x10
[ 380.577735][ C0] ? sched_clock+0x9/0x10
[ 380.577748][ C0] ? sched_clock_cpu+0x18/0x3c0
[ 380.577764][ C0] exit_to_user_mode_loop+0xa7/0xe0
[ 380.577780][ C0] exit_to_user_mode_prepare+0x87/0xd0
[ 380.577794][ C0] syscall_exit_to_user_mode+0x1a/0x30
[ 380.577809][ C0] do_syscall_64+0x58/0xa0
[ 380.577825][ C0] ? clear_bhb_loop+0x50/0xa0
[ 380.577839][ C0] ? clear_bhb_loop+0x50/0xa0
[ 380.577852][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 380.577870][ C0] RIP: 0033:0x7f3dbb0986e0
[ 380.577883][ C0] Code: 44 24 20 0f 29 44 24 30 0f 29 44 24 40 48 8b 44 24 08 ff d0 48 83 c4 50 31 c0 5b 5d 41 5c 41 5d 41 5e c3 0f 1f 80 00 00 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 c3 66 66 2e 0f 1f
[ 380.577895][ C0] RSP: 002b:00007ffe343a4d38 EFLAGS: 00000246
[ 380.577906][ C0] RAX: 0000000000000000 RBX: 00007f3dbb430fa8 RCX: 00007f3dbb1da749
[ 380.577917][ C0] RDX: 00007ffe343a4d40 RSI: 00007ffe343a4e70 RDI: 0000000000000011
[ 380.577927][ C0] RBP: 0000000000000000 R08: 000b3ee456453b58 R09: 00000007343a55df
[ 380.577937][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f3dbb430fac
[ 380.577947][ C0] R13: 00007f3dbb430fa0 R14: 0000000000000095 R15: 0000000000000003
[ 380.577960][ C0]
[ 404.493851][ T31] INFO: task kworker/u4:1:10 blocked for more than 273 seconds.
[ 404.501548][ T31] Not tainted syzkaller #0
[ 404.663754][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 404.672671][ T31] task:kworker/u4:1 state:D stack:20160 pid: 10 ppid: 2 flags:0x00004000
[ 405.113759][ T31] Workqueue: netns cleanup_net
[ 405.118602][ T31] Call Trace:
[ 405.121909][ T31]
[ 405.233799][ T31] __schedule+0xb6e/0x14c0
[ 405.238295][ T31] ? release_firmware_map_entry+0x190/0x190
[ 405.244258][ T31] ? __switch_to_asm+0x3a/0x60
[ 405.249057][ T31] ? kthread_data+0x50/0xc0
[ 405.253582][ T31] ? wq_worker_sleeping+0x60/0x200
[ 405.258745][ T31] schedule+0x11e/0x1e0
[ 405.262929][ T31] schedule_timeout+0xa6/0x2e0
[ 405.267737][ T31] ? console_conditional_schedule+0x30/0x30
[ 405.273660][ T31] ? __prepare_to_swait+0xa8/0x130
[ 405.278812][ T31] wait_for_common+0x26b/0x420
[ 405.283604][ T31] ? __kasan_check_write+0x14/0x20
[ 405.288750][ T31] ? wait_for_completion+0x20/0x20
[ 405.293902][ T31] ? mutex_unlock+0x89/0x220
[ 405.298517][ T31] ? __mutex_lock_slowpath+0x10/0x10
[ 405.303837][ T31] ? flush_workqueue_prep_pwqs+0x424/0x480
[ 405.309671][ T31] ? check_flush_dependency+0xc4/0x370
[ 405.315172][ T31] wait_for_completion+0x18/0x20
[ 405.320166][ T31] flush_workqueue+0x5a6/0x12d0
[ 405.325058][ T31] ? flush_work+0x20/0x20
[ 405.329409][ T31] ? rcu_work_rcufn+0x50/0x50
[ 405.334121][ T31] ? _raw_spin_unlock_irqrestore+0x5b/0x80
[ 405.339951][ T31] peer_remove_after_dead+0x98/0x1a0
[ 405.345295][ T31] wg_peer_remove_all+0x3e2/0x450
[ 405.350343][ T31] ? peer_remove_after_dead+0x1a0/0x1a0
[ 405.355972][ T31] wg_destruct+0x18e/0x300
[ 405.360408][ T31] ? wg_xmit+0xb20/0xb20
[ 405.364822][ T31] netdev_run_todo+0x773/0x990
[ 405.369619][ T31] ? netdev_refcnt_read+0x60/0x60
[ 405.374744][ T31] ? unregister_netdevice_queue+0x1aa/0x360
[ 405.380687][ T31] ? list_netdevice+0x4c0/0x4c0
[ 405.385611][ T31] rtnl_unlock+0xe/0x10
[ 405.389855][ T31] default_device_exit_batch+0x335/0x390
[ 405.395535][ T31] ? default_device_exit+0x360/0x360
[ 405.400850][ T31] ? wait_woken+0x170/0x170
[ 405.405398][ T31] ? rtnl_unlock+0xe/0x10
[ 405.409756][ T31] ? default_device_exit+0x360/0x360
[ 405.415195][ T31] cleanup_net+0x602/0xad0
[ 405.419638][ T31] ? ops_init+0x4a0/0x4a0
[ 405.424010][ T31] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 405.429411][ T31] process_one_work+0x6be/0xba0
[ 405.434305][ T31] worker_thread+0xa59/0x1200
[ 405.439018][ T31] ? __kthread_parkme+0xac/0x200
[ 405.444003][ T31] kthread+0x411/0x500
[ 405.448094][ T31] ? worker_clr_flags+0x190/0x190
[ 405.453148][ T31] ? kthread_blkcg+0xd0/0xd0
[ 405.457777][ T31] ret_from_fork+0x1f/0x30
[ 405.462228][ T31]
[ 405.663801][ T31] NMI backtrace for cpu 1
[ 405.668194][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted syzkaller #0
[ 405.675418][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 405.685499][ T31] Call Trace:
[ 405.688796][ T31]
[ 405.691748][ T31] __dump_stack+0x21/0x30
[ 405.696199][ T31] dump_stack_lvl+0xee/0x150
[ 405.700914][ T31] ? show_regs_print_info+0x20/0x20
[ 405.706137][ T31] dump_stack+0x15/0x20
[ 405.710345][ T31] nmi_cpu_backtrace+0x2b4/0x2c0
[ 405.715310][ T31] ? rcu_read_unlock_special+0xab/0x460
[ 405.720888][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240
[ 405.727082][ T31] ? __rcu_read_unlock+0xa0/0xa0
[ 405.732046][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 405.738141][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 405.744232][ T31] nmi_trigger_cpumask_backtrace+0x138/0x240
[ 405.750325][ T31] arch_trigger_cpumask_backtrace+0x10/0x20
[ 405.756244][ T31] watchdog+0xd64/0xea0
[ 405.760426][ T31] ? hungtask_pm_notify+0x50/0x50
[ 405.765484][ T31] ? __kasan_check_read+0x11/0x20
[ 405.770536][ T31] ? __kthread_parkme+0xac/0x200
[ 405.775499][ T31] ? preempt_count_add+0x90/0x1b0
[ 405.780583][ T31] kthread+0x411/0x500
[ 405.784675][ T31] ? hungtask_pm_notify+0x50/0x50
[ 405.789724][ T31] ? kthread_blkcg+0xd0/0xd0
[ 405.794344][ T31] ret_from_fork+0x1f/0x30
[ 405.798789][ T31]
[ 405.801894][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 405.807132][ C0] NMI backtrace for cpu 0
[ 405.807142][ C0] CPU: 0 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0
[ 405.807158][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 405.807167][ C0] RIP: 0010:__put_user_nocheck_4+0x5/0x11
[ 405.807190][ C0] Code: 48 39 d9 73 54 0f 01 cb 66 89 01 31 c9 0f 01 ca c3 90 90 90 90 90 48 bb fd ef ff ff ff 7f 00 00 48 39 d9 73 34 0f 01 cb 89 01 <31> c9 0f 01 ca c3 90 90 90 90 90 90 48 bb f9 ef ff ff ff 7f 00 00
[ 405.807204][ C0] RSP: 0018:ffffc90004b8faf8 EFLAGS: 00040206
[ 405.807219][ C0] RAX: 0000000000000003 RBX: 00007ffe343a50d0 RCX: 00007ffe343a5100
[ 405.807230][ C0] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000000
[ 405.807240][ C0] RBP: ffffc90004b8fc90 R08: 0000000000000000 R09: fffffbfff0bcca66
[ 405.807251][ C0] R10: fffffbfff0bcca66 R11: 1ffffffff0bcca60 R12: dffffc0000000000
[ 405.807263][ C0] R13: 00007ffe343a5240 R14: ffffc90004b8fba0 R15: 0000000000000000
[ 405.807274][ C0] FS: 0000555580ca9500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 405.807289][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 405.807300][ C0] CR2: 0000000000000000 CR3: 0000000120f32000 CR4: 00000000003506b0
[ 405.807313][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 405.807323][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 405.807332][ C0] Call Trace:
[ 405.807337][ C0]
[ 405.807342][ C0] ? copy_fpstate_to_sigframe+0x7f5/0x9a0
[ 405.807361][ C0] ? __kasan_check_write+0x14/0x20
[ 405.807380][ C0] ? fpregs_set+0x540/0x540
[ 405.807396][ C0] ? get_signal+0x13da/0x1480
[ 405.807415][ C0] ? fpu__alloc_mathframe+0x88/0x150
[ 405.807433][ C0] arch_do_signal_or_restart+0x5e3/0x10f0
[ 405.807452][ C0] ? load_gs_index+0xb0/0xb0
[ 405.807467][ C0] ? get_sigframe_size+0x10/0x10
[ 405.807484][ C0] ? sched_clock+0x9/0x10
[ 405.807498][ C0] ? sched_clock_cpu+0x18/0x3c0
[ 405.807515][ C0] exit_to_user_mode_loop+0xa7/0xe0
[ 405.807531][ C0] exit_to_user_mode_prepare+0x87/0xd0
[ 405.807547][ C0] syscall_exit_to_user_mode+0x1a/0x30
[ 405.807562][ C0] do_syscall_64+0x58/0xa0
[ 405.807579][ C0] ? clear_bhb_loop+0x50/0xa0
[ 405.807593][ C0] ? clear_bhb_loop+0x50/0xa0
[ 405.807606][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 405.807631][ C0] RIP: 0033:0x7f3dbb1da749
[ 405.807645][ C0] 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
[ 405.807658][ C0] RSP: 002b:00007ffe343a52e8 EFLAGS: 00000246
[ 405.807670][ C0] RAX: 0000000000000000 RBX: 00007f3dbb430fa8 RCX: 00007f3dbb1da749
[ 405.807680][ C0] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f3dbb430fac
[ 405.807691][ C0] RBP: 0000000000000000 R08: 000b3ee456453b58 R09: 00000007343a55df
[ 405.807702][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f3dbb430fac
[ 405.807712][ C0] R13: 00007f3dbb430fa0 R14: 0000000000000095 R15: 0000000000000003
[ 405.807725][ C0]