Warning: Permanently added '10.128.1.241' (ED25519) to the list of known hosts. 2025/12/01 14:04:46 parsed 1 programs [ 259.589870][ T24] audit: type=1400 audit(1764597886.990:64): avc: denied { node_bind } for pid=275 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 259.598410][ T24] audit: type=1400 audit(1764597886.990:65): avc: denied { create } for pid=275 comm="syz-execprog" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=rawip_socket permissive=1 [ 259.605883][ T24] audit: type=1400 audit(1764597886.990:66): avc: denied { module_request } for pid=275 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 [ 260.427798][ T24] audit: type=1400 audit(1764597887.830:67): avc: denied { mounton } for pid=284 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 [ 260.429614][ T284] cgroup: Unknown subsys name 'net' [ 260.450465][ T24] audit: type=1400 audit(1764597887.830:68): avc: denied { mount } for pid=284 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 [ 260.477685][ T24] audit: type=1400 audit(1764597887.860:69): avc: denied { unmount } for pid=284 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 260.478021][ T284] cgroup: Unknown subsys name 'devices' [ 260.678134][ T284] cgroup: Unknown subsys name 'hugetlb' [ 260.683713][ T284] cgroup: Unknown subsys name 'rlimit' [ 260.859970][ T24] audit: type=1400 audit(1764597888.260:70): avc: denied { setattr } for pid=284 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=253 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 260.883120][ T24] audit: type=1400 audit(1764597888.260:71): avc: denied { create } for pid=284 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 [ 260.890784][ T286] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 260.903613][ T24] audit: type=1400 audit(1764597888.260:72): avc: denied { write } for pid=284 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 260.932265][ T24] audit: type=1400 audit(1764597888.260:73): avc: denied { read } for pid=284 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 260.952518][ T284] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 261.336269][ T289] request_module fs-gadgetfs succeeded, but still no fs? [ 261.347650][ T289] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 261.695213][ T314] bridge0: port 1(bridge_slave_0) entered blocking state [ 261.702369][ T314] bridge0: port 1(bridge_slave_0) entered disabled state [ 261.709766][ T314] device bridge_slave_0 entered promiscuous mode [ 261.716511][ T314] bridge0: port 2(bridge_slave_1) entered blocking state [ 261.724199][ T314] bridge0: port 2(bridge_slave_1) entered disabled state [ 261.731546][ T314] device bridge_slave_1 entered promiscuous mode [ 261.767902][ T314] bridge0: port 2(bridge_slave_1) entered blocking state [ 261.775040][ T314] bridge0: port 2(bridge_slave_1) entered forwarding state [ 261.782305][ T314] bridge0: port 1(bridge_slave_0) entered blocking state [ 261.789329][ T314] bridge0: port 1(bridge_slave_0) entered forwarding state [ 261.805959][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 261.813588][ T49] bridge0: port 1(bridge_slave_0) entered disabled state [ 261.820825][ T49] bridge0: port 2(bridge_slave_1) entered disabled state [ 261.829570][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 261.838125][ T49] bridge0: port 1(bridge_slave_0) entered blocking state [ 261.845144][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state [ 261.853335][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 261.861649][ T49] bridge0: port 2(bridge_slave_1) entered blocking state [ 261.868689][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state [ 261.885758][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 261.893707][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 261.904622][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 261.918933][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 261.927558][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 261.934878][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 261.942660][ T314] device veth0_vlan entered promiscuous mode [ 261.954278][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 261.963035][ T314] device veth1_macvtap entered promiscuous mode [ 261.972005][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 261.981523][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2025/12/01 14:04:49 executed programs: 0 [ 262.520929][ T376] bridge0: port 1(bridge_slave_0) entered blocking state [ 262.528171][ T376] bridge0: port 1(bridge_slave_0) entered disabled state [ 262.535617][ T376] device bridge_slave_0 entered promiscuous mode [ 262.542715][ T376] bridge0: port 2(bridge_slave_1) entered blocking state [ 262.549803][ T376] bridge0: port 2(bridge_slave_1) entered disabled state [ 262.557174][ T376] device bridge_slave_1 entered promiscuous mode [ 262.589711][ T376] bridge0: port 2(bridge_slave_1) entered blocking state [ 262.596832][ T376] bridge0: port 2(bridge_slave_1) entered forwarding state [ 262.604073][ T376] bridge0: port 1(bridge_slave_0) entered blocking state [ 262.611242][ T376] bridge0: port 1(bridge_slave_0) entered forwarding state [ 262.626705][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 262.634237][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 262.641558][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 262.651351][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 262.660067][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 262.668252][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 262.675285][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 262.683798][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 262.692466][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 262.700662][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 262.707713][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 262.718711][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 262.726900][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 262.735632][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 262.743739][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 262.759203][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 262.767593][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 262.777338][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 262.785214][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 262.793287][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 262.800774][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 262.808543][ T376] device veth0_vlan entered promiscuous mode [ 262.817772][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 262.825881][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 262.834696][ T376] device veth1_macvtap entered promiscuous mode [ 262.843639][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 262.851236][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 262.859616][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 262.874413][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 262.882899][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 263.728600][ T9] device bridge_slave_1 left promiscuous mode [ 263.734836][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 263.766957][ T9] device bridge_slave_0 left promiscuous mode [ 263.773100][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 263.797582][ T9] device veth1_macvtap left promiscuous mode [ 263.803598][ T9] device veth0_vlan left promiscuous mode [ 407.636532][ T26] INFO: task kworker/u4:1:9 blocked for more than 122 seconds. [ 407.644197][ T26] Not tainted syzkaller #0 [ 407.826504][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 407.835214][ T26] task:kworker/u4:1 state:D stack: 0 pid: 9 ppid: 2 flags:0x10004000 [ 408.286528][ T26] Workqueue: netns cleanup_net [ 408.291328][ T26] Call Trace: [ 408.294611][ T26] __schedule+0xb47/0x1310 [ 408.606534][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 408.612466][ T26] ? kthread_data+0x50/0xc0 [ 408.906536][ T26] ? wq_worker_sleeping+0x60/0x200 [ 408.911689][ T26] schedule+0x13c/0x1d0 [ 408.915837][ T26] schedule_timeout+0xa6/0x2d0 [ 409.256515][ T26] ? console_conditional_schedule+0x10/0x10 [ 409.262443][ T26] ? __prepare_to_swait+0xa8/0x130 [ 409.576523][ T26] wait_for_common+0x284/0x430 [ 409.581332][ T26] ? __kasan_check_write+0x14/0x20 [ 409.586442][ T26] ? wait_for_completion+0x20/0x20 [ 409.946532][ T26] ? mutex_lock+0x8c/0xe0 [ 409.950909][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0 [ 410.216549][ T26] wait_for_completion+0x18/0x20 [ 410.221522][ T26] flush_workqueue+0x606/0x13a0 [ 410.226371][ T26] ? flush_work+0x20/0x20 [ 410.576544][ T26] ? rcu_work_rcufn+0x50/0x50 [ 410.581278][ T26] peer_remove_after_dead+0x98/0x1a0 [ 410.836558][ T26] wg_peer_remove_all+0x3e2/0x450 [ 410.841613][ T26] ? peer_remove_after_dead+0x1a0/0x1a0 [ 411.146526][ T26] wg_destruct+0x18e/0x300 [ 411.150973][ T26] ? wg_xmit+0xb10/0xb10 [ 411.155212][ T26] netdev_run_todo+0xaf9/0xd20 [ 411.476517][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 411.481748][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 411.776511][ T26] ? list_netdevice+0x4c0/0x4c0 [ 411.781496][ T26] rtnl_unlock+0xe/0x10 [ 411.785646][ T26] default_device_exit_batch+0x335/0x390 [ 412.136514][ T26] ? default_device_exit+0x390/0x390 [ 412.141831][ T26] ? wait_woken+0x180/0x180 [ 412.146333][ T26] ? rtnl_unlock+0xe/0x10 [ 412.536527][ T26] ? default_device_exit+0x390/0x390 [ 412.541847][ T26] cleanup_net+0x5fb/0xb70 [ 412.546262][ T26] ? __kasan_check_write+0x14/0x20 [ 412.886523][ T26] ? ops_init+0x4a0/0x4a0 [ 412.890980][ T26] ? read_word_at_a_time+0x12/0x20 [ 412.896097][ T26] ? strscpy+0x9b/0x290 [ 413.276529][ T26] process_one_work+0x6e1/0xba0 [ 413.281410][ T26] worker_thread+0xa6a/0x13b0 [ 413.286089][ T26] kthread+0x346/0x3d0 [ 413.656512][ T26] ? worker_clr_flags+0x190/0x190 [ 413.661571][ T26] ? kthread_blkcg+0xd0/0xd0 [ 413.666180][ T26] ret_from_fork+0x1f/0x30 [ 413.986596][ T26] NMI backtrace for cpu 1 [ 413.990990][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 [ 413.998184][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 414.008235][ T26] Call Trace: [ 414.011524][ T26] __dump_stack+0x21/0x24 [ 414.015851][ T26] dump_stack_lvl+0x169/0x1d8 [ 414.020527][ T26] ? show_regs_print_info+0x18/0x18 [ 414.025724][ T26] ? sched_show_task+0x324/0x4a0 [ 414.030671][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 414.035604][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 414.041665][ T26] dump_stack+0x15/0x1c [ 414.045818][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 414.051794][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 414.057696][ T26] watchdog+0xe2e/0xf70 [ 414.061850][ T26] ? hungtask_pm_notify+0x50/0x50 [ 414.066871][ T26] ? __kasan_check_read+0x11/0x20 [ 414.071907][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 414.076840][ T26] kthread+0x346/0x3d0 [ 414.080902][ T26] ? hungtask_pm_notify+0x50/0x50 [ 414.085921][ T26] ? kthread_blkcg+0xd0/0xd0 [ 414.090508][ T26] ret_from_fork+0x1f/0x30 [ 414.095086][ T26] Sending NMI from CPU 1 to CPUs 0: [ 414.101019][ C0] NMI backtrace for cpu 0 [ 414.101024][ C0] CPU: 0 PID: 380 Comm: syz.2.17 Not tainted syzkaller #0 [ 414.101030][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 414.101033][ C0] RIP: 0010:update_stack_state+0x6/0x480 [ 414.101042][ C0] Code: c1 0f 8c 70 fe ff ff e8 c8 dc 6e 00 e9 66 fe ff ff 0f 1f 00 55 48 89 e5 48 8b 07 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 48 81 ec 98 00 00 00 49 89 f7 48 89 fb 49 bd [ 414.101046][ C0] RSP: 0018:ffffc90000007790 EFLAGS: 00000046 [ 414.101053][ C0] RAX: ffffc90004307cd0 RBX: ffffc90000007828 RCX: 0000000000007801 [ 414.101057][ C0] RDX: dffffc0000000000 RSI: ffffc90004307cd0 RDI: ffffc90000007828 [ 414.101061][ C0] RBP: ffffc90000007798 R08: ffffc900000078f0 R09: ffffc900000078e8 [ 414.101065][ C0] R10: 0000000000000013 R11: 1ffff92000000f05 R12: 0000000000000000 [ 414.101069][ C0] R13: 1ffff92000000f10 R14: ffffc90000007880 R15: ffffc90004307c98 [ 414.101074][ C0] FS: 00005555945bf500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 414.101077][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 414.101081][ C0] CR2: 0000000000000000 CR3: 0000000129147000 CR4: 00000000003506b0 [ 414.101085][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 414.101089][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 414.101091][ C0] Call Trace: [ 414.101093][ C0] [ 414.101096][ C0] unwind_next_frame+0x3d5/0x700 [ 414.101099][ C0] ? stack_trace_save+0xe0/0xe0 [ 414.101102][ C0] arch_stack_walk+0x108/0x140 [ 414.101104][ C0] ? irq_work_queue+0x9e/0x150 [ 414.101107][ C0] stack_trace_save+0x98/0xe0 [ 414.101110][ C0] ? stack_trace_snprint+0xf0/0xf0 [ 414.101112][ C0] ? memset+0x35/0x40 [ 414.101115][ C0] __kasan_slab_alloc+0xbd/0xf0 [ 414.101118][ C0] ? __kasan_slab_alloc+0xbd/0xf0 [ 414.101121][ C0] ? slab_post_alloc_hook+0x5d/0x2f0 [ 414.101124][ C0] ? kmem_cache_alloc+0x165/0x2e0 [ 414.101126][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 414.101129][ C0] ? __send_signal+0x1f2/0xb80 [ 414.101132][ C0] ? send_signal+0x479/0x5b0 [ 414.101134][ C0] ? do_send_sig_info+0xd6/0x210 [ 414.101143][ C0] ? group_send_sig_info+0x111/0x2a0 [ 414.101146][ C0] ? do_bpf_send_signal+0x82/0x150 [ 414.101149][ C0] ? irq_work_run_list+0x179/0x260 [ 414.101151][ C0] ? irq_work_run+0x6a/0xf0 [ 414.101154][ C0] ? __sysvec_irq_work+0x66/0x1b0 [ 414.101157][ C0] ? asm_call_irq_on_stack+0xf/0x20 [ 414.101160][ C0] ? sysvec_irq_work+0x85/0xd0 [ 414.101163][ C0] ? asm_sysvec_irq_work+0x12/0x20 [ 414.101166][ C0] ? native_apic_msr_write+0x39/0x50 [ 414.101168][ C0] ? x2apic_send_IPI_self+0x5e/0x70 [ 414.101171][ C0] ? arch_irq_work_raise+0x86/0xd0 [ 414.101174][ C0] ? __irq_work_queue_local+0x115/0x190 [ 414.101177][ C0] ? irq_work_queue+0x9e/0x150 [ 414.101180][ C0] slab_post_alloc_hook+0x5d/0x2f0 [ 414.101183][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 414.101185][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 414.101188][ C0] kmem_cache_alloc+0x165/0x2e0 [ 414.101191][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 414.101194][ C0] __sigqueue_alloc+0x185/0x2d0 [ 414.101196][ C0] __send_signal+0x1f2/0xb80 [ 414.101199][ C0] send_signal+0x479/0x5b0 [ 414.101201][ C0] do_send_sig_info+0xd6/0x210 [ 414.101204][ C0] group_send_sig_info+0x111/0x2a0 [ 414.101207][ C0] ? __lock_task_sighand+0x100/0x100 [ 414.101210][ C0] do_bpf_send_signal+0x82/0x150 [ 414.101212][ C0] irq_work_run_list+0x179/0x260 [ 414.101215][ C0] ? irq_work_run+0xf0/0xf0 [ 414.101217][ C0] irq_work_run+0x6a/0xf0 [ 414.101220][ C0] __sysvec_irq_work+0x66/0x1b0 [ 414.101223][ C0] asm_call_irq_on_stack+0xf/0x20 [ 414.101225][ C0] [ 414.101228][ C0] sysvec_irq_work+0x85/0xd0 [ 414.101230][ C0] asm_sysvec_irq_work+0x12/0x20 [ 414.101234][ C0] RIP: 0010:native_apic_msr_write+0x39/0x50 [ 414.101243][ 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 <0f> 1f 44 00 00 eb d6 89 f6 31 d2 e8 c7 d1 27 01 5d c3 0f 1f 44 00 [ 414.101246][ C0] RSP: 0018:ffffc90004307c20 EFLAGS: 00000246 [ 414.101252][ C0] RAX: 00000000000000f6 RBX: 00000000000000f6 RCX: 000000000000083f [ 414.101256][ C0] RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f [ 414.101260][ C0] RBP: ffffc90004307c20 R08: dffffc0000000000 R09: ffffed103ee0a5f7 [ 414.101264][ C0] R10: ffffed103ee0a5f7 R11: 1ffff1103ee0a5f6 R12: 0000000000000000 [ 414.101268][ C0] R13: dffffc0000000001 R14: ffffffff859c5998 R15: dffffc0000000000 [ 414.101271][ C0] x2apic_send_IPI_self+0x5e/0x70 [ 414.101274][ C0] arch_irq_work_raise+0x86/0xd0 [ 414.101277][ C0] __irq_work_queue_local+0x115/0x190 [ 414.101280][ C0] irq_work_queue+0x9e/0x150 [ 414.101283][ C0] bpf_send_signal_common+0x2b2/0x420 [ 414.101285][ C0] ? bpf_do_trace_printk+0x240/0x240 [ 414.101288][ C0] bpf_send_signal+0x19/0x20 [ 414.101291][ C0] bpf_prog_7ba5217f62dcd359+0x38/0xd3c [ 414.101294][ C0] bpf_trace_run2+0xb3/0x200 [ 414.101297][ C0] ? bpf_trace_run1+0x200/0x200 [ 414.101299][ C0] __bpf_trace_sys_enter+0x62/0x70 [ 414.101302][ C0] trace_sys_enter+0x40/0x50 [ 414.101305][ C0] syscall_trace_enter+0x108/0x170 [ 414.101308][ C0] syscall_enter_from_user_mode+0x20/0x30 [ 414.101311][ C0] do_syscall_64+0x13/0x40 [ 414.101314][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 414.101317][ C0] RIP: 0033:0x7fe8093d5829 [ 414.101326][ 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 [ 414.101329][ C0] RSP: 002b:00007ffeb0705e80 EFLAGS: 00000246 ORIG_RAX: 000000000000000f [ 414.101336][ C0] RAX: ffffffffffffffda RBX: 00007fe80968ffa8 RCX: 00007fe8093d5829 [ 414.101340][ C0] RDX: 00007ffeb0705e80 RSI: 00007ffeb0705fb0 RDI: 0000000000000011 [ 414.101344][ C0] RBP: 0000000000000000 R08: 0000270dd2e8e6bc R09: 00000007b070671f [ 414.101348][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fe80968ffac [ 414.101352][ C0] R13: 00007fe80968ffa0 R14: 0000000000000095 R15: 0000000000000003 [ 437.726506][ T26] INFO: task kworker/u4:1:9 blocked for more than 152 seconds. [ 437.734126][ T26] Not tainted syzkaller #0 [ 437.906514][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 437.915218][ T26] task:kworker/u4:1 state:D stack: 0 pid: 9 ppid: 2 flags:0x10004000 [ 438.396513][ T26] Workqueue: netns cleanup_net [ 438.401538][ T26] Call Trace: [ 438.404828][ T26] __schedule+0xb47/0x1310 [ 438.736511][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 438.742454][ T26] ? kthread_data+0x50/0xc0 [ 438.996535][ T26] ? wq_worker_sleeping+0x60/0x200 [ 439.001681][ T26] schedule+0x13c/0x1d0 [ 439.005841][ T26] schedule_timeout+0xa6/0x2d0 [ 439.346544][ T26] ? console_conditional_schedule+0x10/0x10 [ 439.352566][ T26] ? __prepare_to_swait+0xa8/0x130 [ 439.656518][ T26] wait_for_common+0x284/0x430 [ 439.661329][ T26] ? __kasan_check_write+0x14/0x20 [ 439.666446][ T26] ? wait_for_completion+0x20/0x20 [ 440.046555][ T26] ? mutex_lock+0x8c/0xe0 [ 440.050933][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0 [ 440.296580][ T26] wait_for_completion+0x18/0x20 [ 440.301563][ T26] flush_workqueue+0x606/0x13a0 [ 440.306440][ T26] ? flush_work+0x20/0x20 [ 440.686532][ T26] ? rcu_work_rcufn+0x50/0x50 [ 440.691348][ T26] peer_remove_after_dead+0x98/0x1a0 [ 440.926502][ T26] wg_peer_remove_all+0x3e2/0x450 [ 440.931654][ T26] ? peer_remove_after_dead+0x1a0/0x1a0 [ 441.236600][ T26] wg_destruct+0x18e/0x300 [ 441.241149][ T26] ? wg_xmit+0xb10/0xb10 [ 441.245395][ T26] netdev_run_todo+0xaf9/0xd20 [ 441.576503][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 441.581743][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 441.866521][ T26] ? list_netdevice+0x4c0/0x4c0 [ 441.871494][ T26] rtnl_unlock+0xe/0x10 [ 441.875656][ T26] default_device_exit_batch+0x335/0x390 [ 442.246562][ T26] ? default_device_exit+0x390/0x390 [ 442.251894][ T26] ? wait_woken+0x180/0x180 [ 442.256407][ T26] ? rtnl_unlock+0xe/0x10 [ 442.646500][ T26] ? default_device_exit+0x390/0x390 [ 442.651850][ T26] cleanup_net+0x5fb/0xb70 [ 442.656263][ T26] ? __kasan_check_write+0x14/0x20 [ 443.036514][ T26] ? ops_init+0x4a0/0x4a0 [ 443.040880][ T26] ? read_word_at_a_time+0x12/0x20 [ 443.045987][ T26] ? strscpy+0x9b/0x290 [ 443.386504][ T26] process_one_work+0x6e1/0xba0 [ 443.391393][ T26] worker_thread+0xa6a/0x13b0 [ 443.396077][ T26] kthread+0x346/0x3d0 [ 443.746504][ T26] ? worker_clr_flags+0x190/0x190 [ 443.751593][ T26] ? kthread_blkcg+0xd0/0xd0 [ 443.756195][ T26] ret_from_fork+0x1f/0x30 [ 444.106556][ T26] NMI backtrace for cpu 1 [ 444.110917][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 [ 444.118102][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 444.128154][ T26] Call Trace: [ 444.131440][ T26] __dump_stack+0x21/0x24 [ 444.135769][ T26] dump_stack_lvl+0x169/0x1d8 [ 444.140448][ T26] ? show_regs_print_info+0x18/0x18 [ 444.145654][ T26] ? sched_show_task+0x324/0x4a0 [ 444.150591][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 444.155527][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 444.161591][ T26] dump_stack+0x15/0x1c [ 444.165747][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 444.171723][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 444.177608][ T26] watchdog+0xe2e/0xf70 [ 444.181762][ T26] ? hungtask_pm_notify+0x50/0x50 [ 444.186781][ T26] ? __kasan_check_read+0x11/0x20 [ 444.191799][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 444.196733][ T26] kthread+0x346/0x3d0 [ 444.200810][ T26] ? hungtask_pm_notify+0x50/0x50 [ 444.205847][ T26] ? kthread_blkcg+0xd0/0xd0 [ 444.210429][ T26] ret_from_fork+0x1f/0x30 [ 444.214996][ T26] Sending NMI from CPU 1 to CPUs 0: [ 444.220981][ C0] NMI backtrace for cpu 0 [ 444.220986][ C0] CPU: 0 PID: 380 Comm: syz.2.17 Not tainted syzkaller #0 [ 444.220991][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 444.220995][ C0] RIP: 0010:get_stack_info_noinstr+0x30/0x130 [ 444.221005][ C0] Code: 41 56 41 55 41 54 53 49 89 d6 49 89 f4 49 89 ff e8 15 01 00 00 b3 01 84 c0 75 0f 65 48 8b 05 f7 5b 8f 7b 49 39 c4 74 0f 31 db <89> d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 c7 c7 ed f7 92 85 e8 47 [ 444.221008][ C0] RSP: 0018:ffffc90000007678 EFLAGS: 00000002 [ 444.221016][ C0] RAX: 1ffff92000000f01 RBX: ffffc90000007801 RCX: ffffc90004300000 [ 444.221020][ C0] RDX: ffffc90000007828 RSI: ffffc90004308000 RDI: ffffc90004307b40 [ 444.221025][ C0] RBP: ffffc900000076a0 R08: ffffc90000007801 R09: ffffc900000078e8 [ 444.221029][ C0] R10: 000000000000000c R11: 1ffff92000000f05 R12: ffff88810f7dbb40 [ 444.221034][ C0] R13: dffffc0000000000 R14: ffffc90000007828 R15: ffffc90004307b40 [ 444.221038][ C0] FS: 00005555945bf500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 444.221042][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 444.221047][ C0] CR2: 0000000000000000 CR3: 0000000129147000 CR4: 00000000003506b0 [ 444.221051][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 444.221055][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 444.221058][ C0] Call Trace: [ 444.221060][ C0] [ 444.221063][ C0] get_stack_info+0x36/0xa0 [ 444.221066][ C0] update_stack_state+0x16b/0x480 [ 444.221069][ C0] unwind_next_frame+0x3d5/0x700 [ 444.221071][ C0] ? stack_trace_save+0xe0/0xe0 [ 444.221074][ C0] arch_stack_walk+0x108/0x140 [ 444.221077][ C0] ? asm_call_irq_on_stack+0xf/0x20 [ 444.221080][ C0] stack_trace_save+0x98/0xe0 [ 444.221083][ C0] ? stack_trace_snprint+0xf0/0xf0 [ 444.221086][ C0] ? memset+0x35/0x40 [ 444.221089][ C0] __kasan_slab_alloc+0xbd/0xf0 [ 444.221092][ C0] ? __kasan_slab_alloc+0xbd/0xf0 [ 444.221095][ C0] ? slab_post_alloc_hook+0x5d/0x2f0 [ 444.221098][ C0] ? kmem_cache_alloc+0x165/0x2e0 [ 444.221101][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 444.221104][ C0] ? __send_signal+0x1f2/0xb80 [ 444.221107][ C0] ? send_signal+0x479/0x5b0 [ 444.221110][ C0] ? do_send_sig_info+0xd6/0x210 [ 444.221113][ C0] ? group_send_sig_info+0x111/0x2a0 [ 444.221116][ C0] ? do_bpf_send_signal+0x82/0x150 [ 444.221119][ C0] ? irq_work_run_list+0x179/0x260 [ 444.221122][ C0] ? irq_work_run+0x6a/0xf0 [ 444.221125][ C0] ? __sysvec_irq_work+0x66/0x1b0 [ 444.221128][ C0] ? asm_call_irq_on_stack+0xf/0x20 [ 444.221131][ C0] slab_post_alloc_hook+0x5d/0x2f0 [ 444.221134][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 444.221137][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 444.221140][ C0] kmem_cache_alloc+0x165/0x2e0 [ 444.221143][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 444.221146][ C0] __sigqueue_alloc+0x185/0x2d0 [ 444.221148][ C0] __send_signal+0x1f2/0xb80 [ 444.221151][ C0] send_signal+0x479/0x5b0 [ 444.221154][ C0] do_send_sig_info+0xd6/0x210 [ 444.221157][ C0] group_send_sig_info+0x111/0x2a0 [ 444.221160][ C0] ? __lock_task_sighand+0x100/0x100 [ 444.221163][ C0] do_bpf_send_signal+0x82/0x150 [ 444.221166][ C0] irq_work_run_list+0x179/0x260 [ 444.221169][ C0] ? irq_work_run+0xf0/0xf0 [ 444.221172][ C0] ? debug_smp_processor_id+0x17/0x20 [ 444.221175][ C0] ? irqtime_account_irq+0x165/0x1b0 [ 444.221178][ C0] ? __do_softirq+0x4c9/0x563 [ 444.221181][ C0] irq_work_run+0x6a/0xf0 [ 444.221184][ C0] __sysvec_irq_work+0x66/0x1b0 [ 444.221187][ C0] asm_call_irq_on_stack+0xf/0x20 [ 444.221189][ C0] [ 444.221192][ C0] sysvec_irq_work+0x85/0xd0 [ 444.221195][ C0] asm_sysvec_irq_work+0x12/0x20 [ 444.221199][ C0] RIP: 0010:native_apic_msr_write+0x39/0x50 [ 444.221209][ 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 <0f> 1f 44 00 00 eb d6 89 f6 31 d2 e8 c7 d1 27 01 5d c3 0f 1f 44 00 [ 444.221212][ C0] RSP: 0018:ffffc90004307c20 EFLAGS: 00000246 [ 444.221219][ C0] RAX: 00000000000000f6 RBX: 00000000000000f6 RCX: 000000000000083f [ 444.221223][ C0] RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f [ 444.221227][ C0] RBP: ffffc90004307c20 R08: dffffc0000000000 R09: ffffed103ee0a5f7 [ 444.221232][ C0] R10: ffffed103ee0a5f7 R11: 1ffff1103ee0a5f6 R12: 0000000000000000 [ 444.221236][ C0] R13: dffffc0000000001 R14: ffffffff859c5998 R15: dffffc0000000000 [ 444.221239][ C0] x2apic_send_IPI_self+0x5e/0x70 [ 444.221242][ C0] arch_irq_work_raise+0x86/0xd0 [ 444.221245][ C0] __irq_work_queue_local+0x115/0x190 [ 444.221248][ C0] irq_work_queue+0x9e/0x150 [ 444.221251][ C0] bpf_send_signal_common+0x2b2/0x420 [ 444.221254][ C0] ? bpf_do_trace_printk+0x240/0x240 [ 444.221257][ C0] bpf_send_signal+0x19/0x20 [ 444.221260][ C0] bpf_prog_7ba5217f62dcd359+0x38/0xd3c [ 444.221263][ C0] bpf_trace_run2+0xb3/0x200 [ 444.221266][ C0] ? bpf_trace_run1+0x200/0x200 [ 444.221269][ C0] __bpf_trace_sys_enter+0x62/0x70 [ 444.221272][ C0] trace_sys_enter+0x40/0x50 [ 444.221275][ C0] syscall_trace_enter+0x108/0x170 [ 444.221278][ C0] syscall_enter_from_user_mode+0x20/0x30 [ 444.221281][ C0] do_syscall_64+0x13/0x40 [ 444.221285][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 444.221287][ C0] RIP: 0033:0x7fe8093d5829 [ 444.221297][ 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 [ 444.221300][ C0] RSP: 002b:00007ffeb0705e80 EFLAGS: 00000246 ORIG_RAX: 000000000000000f [ 444.221307][ C0] RAX: ffffffffffffffda RBX: 00007fe80968ffa8 RCX: 00007fe8093d5829 [ 444.221318][ C0] RDX: 00007ffeb0705e80 RSI: 00007ffeb0705fb0 RDI: 0000000000000011 [ 444.221322][ C0] RBP: 0000000000000000 R08: 0000270dd2e8e6bc R09: 00000007b070671f [ 444.221325][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fe80968ffac [ 444.221329][ C0] R13: 00007fe80968ffa0 R14: 0000000000000095 R15: 0000000000000003 [ 467.796516][ T26] INFO: task kworker/u4:1:9 blocked for more than 183 seconds. [ 467.804082][ T26] Not tainted syzkaller #0 [ 467.966494][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 467.975298][ T26] task:kworker/u4:1 state:D stack: 0 pid: 9 ppid: 2 flags:0x10004000 [ 468.466499][ T26] Workqueue: netns cleanup_net [ 468.471294][ T26] Call Trace: [ 468.474588][ T26] __schedule+0xb47/0x1310 [ 468.776504][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 468.782430][ T26] ? kthread_data+0x50/0xc0 [ 469.046493][ T26] ? wq_worker_sleeping+0x60/0x200 [ 469.051639][ T26] schedule+0x13c/0x1d0 [ 469.055796][ T26] schedule_timeout+0xa6/0x2d0 [ 469.416547][ T26] ? console_conditional_schedule+0x10/0x10 [ 469.422481][ T26] ? __prepare_to_swait+0xa8/0x130 [ 469.716516][ T26] wait_for_common+0x284/0x430 [ 469.721320][ T26] ? __kasan_check_write+0x14/0x20 [ 469.726431][ T26] ? wait_for_completion+0x20/0x20 [ 470.086502][ T26] ? mutex_lock+0x8c/0xe0 [ 470.090864][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0 [ 470.366518][ T26] wait_for_completion+0x18/0x20 [ 470.371494][ T26] flush_workqueue+0x606/0x13a0 [ 470.376348][ T26] ? flush_work+0x20/0x20 [ 470.726507][ T26] ? rcu_work_rcufn+0x50/0x50 [ 470.731221][ T26] peer_remove_after_dead+0x98/0x1a0 [ 470.996505][ T26] wg_peer_remove_all+0x3e2/0x450 [ 471.001569][ T26] ? peer_remove_after_dead+0x1a0/0x1a0 [ 471.276504][ T26] wg_destruct+0x18e/0x300 [ 471.280956][ T26] ? wg_xmit+0xb10/0xb10 [ 471.285198][ T26] netdev_run_todo+0xaf9/0xd20 [ 471.616506][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 471.621743][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 471.926508][ T26] ? list_netdevice+0x4c0/0x4c0 [ 471.931395][ T26] rtnl_unlock+0xe/0x10 [ 471.935551][ T26] default_device_exit_batch+0x335/0x390 [ 472.296490][ T26] ? default_device_exit+0x390/0x390 [ 472.301913][ T26] ? wait_woken+0x180/0x180 [ 472.306417][ T26] ? rtnl_unlock+0xe/0x10 [ 472.686543][ T26] ? default_device_exit+0x390/0x390 [ 472.691870][ T26] cleanup_net+0x5fb/0xb70 [ 472.696282][ T26] ? __kasan_check_write+0x14/0x20 [ 473.036509][ T26] ? ops_init+0x4a0/0x4a0 [ 473.040880][ T26] ? read_word_at_a_time+0x12/0x20 [ 473.045989][ T26] ? strscpy+0x9b/0x290 [ 473.406497][ T26] process_one_work+0x6e1/0xba0 [ 473.411393][ T26] worker_thread+0xa6a/0x13b0 [ 473.416076][ T26] kthread+0x346/0x3d0 [ 473.786489][ T26] ? worker_clr_flags+0x190/0x190 [ 473.791547][ T26] ? kthread_blkcg+0xd0/0xd0 [ 473.796131][ T26] ret_from_fork+0x1f/0x30 [ 474.116561][ T26] NMI backtrace for cpu 1 [ 474.120939][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 [ 474.128146][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 474.138197][ T26] Call Trace: [ 474.141489][ T26] __dump_stack+0x21/0x24 [ 474.145812][ T26] dump_stack_lvl+0x169/0x1d8 [ 474.150480][ T26] ? show_regs_print_info+0x18/0x18 [ 474.155671][ T26] ? sched_show_task+0x324/0x4a0 [ 474.160601][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 474.165539][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 474.171602][ T26] dump_stack+0x15/0x1c [ 474.175760][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 474.181736][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 474.187626][ T26] watchdog+0xe2e/0xf70 [ 474.191799][ T26] ? hungtask_pm_notify+0x50/0x50 [ 474.196833][ T26] ? __kasan_check_read+0x11/0x20 [ 474.201854][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 474.206781][ T26] kthread+0x346/0x3d0 [ 474.210839][ T26] ? hungtask_pm_notify+0x50/0x50 [ 474.215850][ T26] ? kthread_blkcg+0xd0/0xd0 [ 474.220432][ T26] ret_from_fork+0x1f/0x30 [ 474.224989][ T26] Sending NMI from CPU 1 to CPUs 0: [ 474.230480][ C0] NMI backtrace for cpu 0 [ 474.230485][ C0] CPU: 0 PID: 380 Comm: syz.2.17 Not tainted syzkaller #0 [ 474.230490][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 474.230495][ C0] RIP: 0010:entry_SYSCALL_64_after_hwframe+0x57/0xcb [ 474.230505][ C0] Code: 45 31 e4 45 31 ed 45 31 f6 45 31 ff 48 89 c7 48 89 e6 66 90 b9 48 00 00 00 65 48 8b 14 25 98 6d 02 00 89 d0 48 c1 ea 20 0f 30 <0f> 1f 44 00 00 e8 db f9 f2 ff 0f 1f 44 00 00 48 8b 4c 24 58 4c 8b [ 474.230508][ C0] RSP: 0018:ffffc90004307f58 EFLAGS: 00000046 [ 474.230516][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000048 [ 474.230520][ C0] RDX: 0000000000000000 RSI: ffffc90004307f58 RDI: 000000000000000f [ 474.230525][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 474.230529][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 474.230533][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 474.230538][ C0] FS: 00005555945bf500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 474.230542][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 474.230546][ C0] CR2: 0000000000000000 CR3: 0000000129147000 CR4: 00000000003506b0 [ 474.230550][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 474.230555][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 474.230557][ C0] Call Trace: [ 497.236766][ T26] INFO: task kworker/u4:1:9 blocked for more than 212 seconds. [ 497.244336][ T26] Not tainted syzkaller #0 [ 497.416462][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 497.425284][ T26] task:kworker/u4:1 state:D stack: 0 pid: 9 ppid: 2 flags:0x10004000 [ 497.886472][ T26] Workqueue: netns cleanup_net [ 497.891262][ T26] Call Trace: [ 497.894550][ T26] __schedule+0xb47/0x1310 [ 498.216480][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 498.222402][ T26] ? kthread_data+0x50/0xc0 [ 498.486523][ T26] ? wq_worker_sleeping+0x60/0x200 [ 498.491667][ T26] schedule+0x13c/0x1d0 [ 498.495824][ T26] schedule_timeout+0xa6/0x2d0 [ 498.846483][ T26] ? console_conditional_schedule+0x10/0x10 [ 498.852416][ T26] ? __prepare_to_swait+0xa8/0x130 [ 499.146491][ T26] wait_for_common+0x284/0x430 [ 499.151291][ T26] ? __kasan_check_write+0x14/0x20 [ 499.156399][ T26] ? wait_for_completion+0x20/0x20 [ 499.536479][ T26] ? mutex_lock+0x8c/0xe0 [ 499.540848][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0 [ 499.786495][ T26] wait_for_completion+0x18/0x20 [ 499.791467][ T26] flush_workqueue+0x606/0x13a0 [ 499.796319][ T26] ? flush_work+0x20/0x20 [ 500.186480][ T26] ? rcu_work_rcufn+0x50/0x50 [ 500.191193][ T26] peer_remove_after_dead+0x98/0x1a0 [ 500.416477][ T26] wg_peer_remove_all+0x3e2/0x450 [ 500.421530][ T26] ? peer_remove_after_dead+0x1a0/0x1a0 [ 500.726481][ T26] wg_destruct+0x18e/0x300 [ 500.730923][ T26] ? wg_xmit+0xb10/0xb10 [ 500.735161][ T26] netdev_run_todo+0xaf9/0xd20 [ 501.046487][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 501.051718][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 501.356518][ T26] ? list_netdevice+0x4c0/0x4c0 [ 501.361404][ T26] rtnl_unlock+0xe/0x10 [ 501.365557][ T26] default_device_exit_batch+0x335/0x390 [ 501.756520][ T26] ? default_device_exit+0x390/0x390 [ 501.761847][ T26] ? wait_woken+0x180/0x180 [ 501.766350][ T26] ? rtnl_unlock+0xe/0x10 [ 502.096501][ T26] ? default_device_exit+0x390/0x390 [ 502.101916][ T26] cleanup_net+0x5fb/0xb70 [ 502.106331][ T26] ? __kasan_check_write+0x14/0x20 [ 502.496477][ T26] ? ops_init+0x4a0/0x4a0 [ 502.500927][ T26] ? read_word_at_a_time+0x12/0x20 [ 502.506038][ T26] ? strscpy+0x9b/0x290 [ 502.866491][ T26] process_one_work+0x6e1/0xba0 [ 502.871373][ T26] worker_thread+0xa6a/0x13b0 [ 502.876053][ T26] kthread+0x346/0x3d0 [ 503.206502][ T26] ? worker_clr_flags+0x190/0x190 [ 503.211569][ T26] ? kthread_blkcg+0xd0/0xd0 [ 503.216172][ T26] ret_from_fork+0x1f/0x30 [ 503.566550][ T26] NMI backtrace for cpu 1 [ 503.570914][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 [ 503.578103][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 503.588152][ T26] Call Trace: [ 503.591441][ T26] __dump_stack+0x21/0x24 [ 503.595767][ T26] dump_stack_lvl+0x169/0x1d8 [ 503.600444][ T26] ? show_regs_print_info+0x18/0x18 [ 503.605637][ T26] ? sched_show_task+0x324/0x4a0 [ 503.610574][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 503.615515][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 503.621582][ T26] dump_stack+0x15/0x1c [ 503.625746][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 503.631729][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 503.637623][ T26] watchdog+0xe2e/0xf70 [ 503.641778][ T26] ? hungtask_pm_notify+0x50/0x50 [ 503.646797][ T26] ? __kasan_check_read+0x11/0x20 [ 503.651813][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 503.656747][ T26] kthread+0x346/0x3d0 [ 503.660812][ T26] ? hungtask_pm_notify+0x50/0x50 [ 503.665829][ T26] ? kthread_blkcg+0xd0/0xd0 [ 503.670428][ T26] ret_from_fork+0x1f/0x30 [ 503.674887][ T26] Sending NMI from CPU 1 to CPUs 0: [ 503.680753][ C0] NMI backtrace for cpu 0 [ 503.680758][ C0] CPU: 0 PID: 380 Comm: syz.2.17 Not tainted syzkaller #0 [ 503.680763][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 503.680766][ C0] RIP: 0010:unwind_get_return_address+0x3b/0x90 [ 503.680776][ C0] Code: 00 00 fc ff df 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 48 83 3b 00 74 3a 48 83 c3 48 49 89 df 49 c1 ef 03 43 80 3c 37 00 <74> 08 48 89 df e8 cb e4 6e 00 48 8b 3b e8 13 ac 12 00 85 c0 74 14 [ 503.680779][ C0] RSP: 0018:ffffc90000007800 EFLAGS: 00000046 [ 503.680786][ C0] RAX: 0000000000000000 RBX: ffffc90000007870 RCX: 0000000000007801 [ 503.680790][ C0] RDX: ffffc90004307ea0 RSI: 1ffff92000000f06 RDI: ffffc90000007828 [ 503.680795][ C0] RBP: ffffc90000007818 R08: ffffc900000078f0 R09: ffffc900000078e8 [ 503.680799][ C0] R10: 0000000000000017 R11: 1ffff92000000f05 R12: ffff88810f7dbb40 [ 503.680803][ C0] R13: ffffc90000007c20 R14: dffffc0000000000 R15: 1ffff92000000f0e [ 503.680807][ C0] FS: 00005555945bf500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 503.680811][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 503.680815][ C0] CR2: 0000000000000000 CR3: 0000000129147000 CR4: 00000000003506b0 [ 503.680819][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 503.680823][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 503.680825][ C0] Call Trace: [ 503.680827][ C0] [ 503.680830][ C0] ? stack_trace_save+0xe0/0xe0 [ 503.680832][ C0] arch_stack_walk+0xee/0x140 [ 503.680835][ C0] ? __bpf_trace_sys_enter+0x62/0x70 [ 503.680838][ C0] stack_trace_save+0x98/0xe0 [ 503.680841][ C0] ? stack_trace_snprint+0xf0/0xf0 [ 503.680843][ C0] ? memset+0x35/0x40 [ 503.680846][ C0] __kasan_slab_alloc+0xbd/0xf0 [ 503.680849][ C0] ? __kasan_slab_alloc+0xbd/0xf0 [ 503.680852][ C0] ? slab_post_alloc_hook+0x5d/0x2f0 [ 503.680855][ C0] ? kmem_cache_alloc+0x165/0x2e0 [ 503.680857][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 503.680860][ C0] ? __send_signal+0x1f2/0xb80 [ 503.680863][ C0] ? send_signal+0x479/0x5b0 [ 503.680866][ C0] ? do_send_sig_info+0xd6/0x210 [ 503.680869][ C0] ? group_send_sig_info+0x111/0x2a0 [ 503.680872][ C0] ? do_bpf_send_signal+0x82/0x150 [ 503.680874][ C0] ? irq_work_run_list+0x179/0x260 [ 503.680877][ C0] ? irq_work_run+0x6a/0xf0 [ 503.680880][ C0] ? __sysvec_irq_work+0x66/0x1b0 [ 503.680883][ C0] ? asm_call_irq_on_stack+0xf/0x20 [ 503.680886][ C0] ? sysvec_irq_work+0x85/0xd0 [ 503.680889][ C0] ? asm_sysvec_irq_work+0x12/0x20 [ 503.680891][ C0] ? native_apic_msr_write+0x39/0x50 [ 503.680894][ C0] ? x2apic_send_IPI_self+0x5e/0x70 [ 503.680897][ C0] ? arch_irq_work_raise+0x86/0xd0 [ 503.680900][ C0] ? __irq_work_queue_local+0x115/0x190 [ 503.680903][ C0] ? irq_work_queue+0x9e/0x150 [ 503.680906][ C0] ? bpf_send_signal_common+0x2b2/0x420 [ 503.680909][ C0] ? bpf_send_signal+0x19/0x20 [ 503.680912][ C0] ? bpf_prog_7ba5217f62dcd359+0x38/0xd3c [ 503.680915][ C0] ? bpf_trace_run2+0xb3/0x200 [ 503.680917][ C0] slab_post_alloc_hook+0x5d/0x2f0 [ 503.680920][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 503.680923][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 503.680926][ C0] kmem_cache_alloc+0x165/0x2e0 [ 503.680929][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 503.680932][ C0] __sigqueue_alloc+0x185/0x2d0 [ 503.680934][ C0] __send_signal+0x1f2/0xb80 [ 503.680937][ C0] send_signal+0x479/0x5b0 [ 503.680940][ C0] do_send_sig_info+0xd6/0x210 [ 503.680942][ C0] group_send_sig_info+0x111/0x2a0 [ 503.680945][ C0] ? __lock_task_sighand+0x100/0x100 [ 503.680948][ C0] do_bpf_send_signal+0x82/0x150 [ 503.680951][ C0] irq_work_run_list+0x179/0x260 [ 503.680953][ C0] ? irq_work_run+0xf0/0xf0 [ 503.680956][ C0] irq_work_run+0x6a/0xf0 [ 503.680959][ C0] __sysvec_irq_work+0x66/0x1b0 [ 503.680962][ C0] asm_call_irq_on_stack+0xf/0x20 [ 503.680963][ C0] [ 503.680966][ C0] sysvec_irq_work+0x85/0xd0 [ 503.680969][ C0] asm_sysvec_irq_work+0x12/0x20 [ 503.680972][ C0] RIP: 0010:native_apic_msr_write+0x39/0x50 [ 503.680981][ 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 <0f> 1f 44 00 00 eb d6 89 f6 31 d2 e8 c7 d1 27 01 5d c3 0f 1f 44 00 [ 503.680984][ C0] RSP: 0018:ffffc90004307c20 EFLAGS: 00000246 [ 503.680990][ C0] RAX: 00000000000000f6 RBX: 00000000000000f6 RCX: 000000000000083f [ 503.680994][ C0] RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f [ 503.680999][ C0] RBP: ffffc90004307c20 R08: dffffc0000000000 R09: ffffed103ee0a5f7 [ 503.681003][ C0] R10: ffffed103ee0a5f7 R11: 1ffff1103ee0a5f6 R12: 0000000000000000 [ 503.681007][ C0] R13: dffffc0000000001 R14: ffffffff859c5998 R15: dffffc0000000000 [ 503.681010][ C0] x2apic_send_IPI_self+0x5e/0x70 [ 503.681012][ C0] arch_irq_work_raise+0x86/0xd0 [ 503.681015][ C0] __irq_work_queue_local+0x115/0x190 [ 503.681018][ C0] irq_work_queue+0x9e/0x150 [ 503.681021][ C0] bpf_send_signal_common+0x2b2/0x420 [ 503.681024][ C0] ? bpf_do_trace_printk+0x240/0x240 [ 503.681027][ C0] bpf_send_signal+0x19/0x20 [ 503.681030][ C0] bpf_prog_7ba5217f62dcd359+0x38/0xd3c [ 503.681033][ C0] bpf_trace_run2+0xb3/0x200 [ 503.681035][ C0] ? bpf_trace_run1+0x200/0x200 [ 503.681038][ C0] __bpf_trace_sys_enter+0x62/0x70 [ 503.681041][ C0] trace_sys_enter+0x40/0x50 [ 503.681044][ C0] syscall_trace_enter+0x108/0x170 [ 503.681047][ C0] syscall_enter_from_user_mode+0x20/0x30 [ 503.681049][ C0] do_syscall_64+0x13/0x40 [ 503.681053][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 503.681055][ C0] RIP: 0033:0x7fe8093d5829 [ 503.681064][ 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 [ 503.681068][ C0] RSP: 002b:00007ffeb0705e80 EFLAGS: 00000246 ORIG_RAX: 000000000000000f [ 503.681075][ C0] RAX: ffffffffffffffda RBX: 00007fe80968ffa8 RCX: 00007fe8093d5829 [ 503.681079][ C0] RDX: 00007ffeb0705e80 RSI: 00007ffeb0705fb0 RDI: 0000000000000011 [ 503.681083][ C0] RBP: 0000000000000000 R08: 0000270dd2e8e6bc R09: 00000007b070671f [ 503.681087][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fe80968ffac [ 503.681091][ C0] R13: 00007fe80968ffa0 R14: 0000000000000095 R15: 0000000000000003 [ 504.293206][ C0] sched: RT throttling activated [ 527.326486][ T26] INFO: task kworker/u4:1:9 blocked for more than 242 seconds. [ 527.334080][ T26] Not tainted syzkaller #0 [ 527.516463][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 527.525165][ T26] task:kworker/u4:1 state:D stack: 0 pid: 9 ppid: 2 flags:0x10004000 [ 527.996464][ T26] Workqueue: netns cleanup_net [ 528.001263][ T26] Call Trace: [ 528.004549][ T26] __schedule+0xb47/0x1310 [ 528.306468][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 528.312408][ T26] ? kthread_data+0x50/0xc0 [ 528.586488][ T26] ? wq_worker_sleeping+0x60/0x200 [ 528.591634][ T26] schedule+0x13c/0x1d0 [ 528.595782][ T26] schedule_timeout+0xa6/0x2d0 [ 528.942263][ T26] ? console_conditional_schedule+0x10/0x10 [ 529.116468][ T26] ? __prepare_to_swait+0xa8/0x130 [ 529.121620][ T26] wait_for_common+0x284/0x430 [ 529.126383][ T26] ? __kasan_check_write+0x14/0x20 [ 529.516676][ T26] ? wait_for_completion+0x20/0x20 [ 529.521835][ T26] ? mutex_lock+0x8c/0xe0 [ 529.526271][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0 [ 529.896492][ T26] wait_for_completion+0x18/0x20 [ 529.901550][ T26] flush_workqueue+0x606/0x13a0 [ 529.906404][ T26] ? flush_work+0x20/0x20 [ 530.276493][ T26] ? rcu_work_rcufn+0x50/0x50 [ 530.281210][ T26] peer_remove_after_dead+0x98/0x1a0 [ 530.528653][ T26] wg_peer_remove_all+0x3e2/0x450 [ 530.533717][ T26] ? peer_remove_after_dead+0x1a0/0x1a0 [ 530.826466][ T26] wg_destruct+0x18e/0x300 [ 530.830918][ T26] ? wg_xmit+0xb10/0xb10 [ 530.835165][ T26] netdev_run_todo+0xaf9/0xd20 [ 531.166470][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 531.171697][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 531.456461][ T26] ? list_netdevice+0x4c0/0x4c0 [ 531.461342][ T26] rtnl_unlock+0xe/0x10 [ 531.465490][ T26] default_device_exit_batch+0x335/0x390 [ 531.826491][ T26] ? default_device_exit+0x390/0x390 [ 531.831916][ T26] ? wait_woken+0x180/0x180 [ 531.836425][ T26] ? rtnl_unlock+0xe/0x10 [ 532.100829][ T26] ? default_device_exit+0x390/0x390 [ 532.106267][ T26] cleanup_net+0x5fb/0xb70 [ 532.446469][ T26] ? __kasan_check_write+0x14/0x20 [ 532.451624][ T26] ? ops_init+0x4a0/0x4a0 [ 532.455968][ T26] ? read_word_at_a_time+0x12/0x20 [ 532.866483][ T26] ? strscpy+0x9b/0x290 [ 532.870774][ T26] process_one_work+0x6e1/0xba0 [ 532.875621][ T26] worker_thread+0xa6a/0x13b0 [ 533.206480][ T26] kthread+0x346/0x3d0 [ 533.210583][ T26] ? worker_clr_flags+0x190/0x190 [ 533.215604][ T26] ? kthread_blkcg+0xd0/0xd0 [ 533.556489][ T26] ret_from_fork+0x1f/0x30 [ 533.696513][ T26] NMI backtrace for cpu 1 [ 533.700881][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 [ 533.708067][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 533.718113][ T26] Call Trace: [ 533.721410][ T26] __dump_stack+0x21/0x24 [ 533.725732][ T26] dump_stack_lvl+0x169/0x1d8 [ 533.730407][ T26] ? show_regs_print_info+0x18/0x18 [ 533.735598][ T26] ? sched_show_task+0x324/0x4a0 [ 533.740528][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 533.745472][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 533.751541][ T26] dump_stack+0x15/0x1c [ 533.755712][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 533.761700][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 533.767596][ T26] watchdog+0xe2e/0xf70 [ 533.771753][ T26] ? hungtask_pm_notify+0x50/0x50 [ 533.776802][ T26] ? __kasan_check_read+0x11/0x20 [ 533.781827][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 533.786774][ T26] kthread+0x346/0x3d0 [ 533.790852][ T26] ? hungtask_pm_notify+0x50/0x50 [ 533.795886][ T26] ? kthread_blkcg+0xd0/0xd0 [ 533.800483][ T26] ret_from_fork+0x1f/0x30 [ 533.804943][ T26] Sending NMI from CPU 1 to CPUs 0: [ 533.810411][ C0] NMI backtrace for cpu 0 [ 533.810416][ C0] CPU: 0 PID: 380 Comm: syz.2.17 Not tainted syzkaller #0 [ 533.810422][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 533.810425][ C0] RIP: 0010:llist_add_batch+0x78/0xb0 [ 533.810435][ C0] Code: 00 fc ff df 41 80 3c 07 00 74 08 4c 89 f7 e8 af cc 63 ff 4d 89 26 48 89 df be 08 00 00 00 e8 ff cd 63 ff 4c 89 e0 48 8b 4d d0 48 0f b1 0b 4c 39 e0 74 07 e8 59 dd 29 ff eb a2 e8 52 dd 29 ff [ 533.810439][ C0] RSP: 0018:ffffc90004307c38 EFLAGS: 00000256 [ 533.810447][ C0] RAX: 0000000000000000 RBX: ffff8881f7052fb0 RCX: ffff8881f7052d88 [ 533.810451][ C0] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff8881f7052fb0 [ 533.810455][ C0] RBP: ffffc90004307c68 R08: dffffc0000000000 R09: ffffed103ee0a5f7 [ 533.810460][ C0] R10: ffffed103ee0a5f7 R11: 1ffff1103ee0a5f6 R12: 0000000000000000 [ 533.810464][ C0] R13: 1ffff1103ee0a5f6 R14: ffff8881f7052d88 R15: 1ffff1103ee0a5b1 [ 533.810469][ C0] FS: 00005555945bf500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 533.810473][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 533.810477][ C0] CR2: 0000000000000000 CR3: 0000000129147000 CR4: 00000000003506b0 [ 533.810481][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 533.810486][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 533.810488][ C0] Call Trace: [ 533.810491][ C0] __irq_work_queue_local+0xb1/0x190 [ 533.810494][ C0] irq_work_queue+0x9e/0x150 [ 533.810497][ C0] bpf_send_signal_common+0x2b2/0x420 [ 533.810500][ C0] ? bpf_do_trace_printk+0x240/0x240 [ 533.810503][ C0] bpf_send_signal+0x19/0x20 [ 533.810506][ C0] bpf_prog_7ba5217f62dcd359+0x38/0xd3c [ 533.810509][ C0] bpf_trace_run2+0xb3/0x200 [ 533.810512][ C0] ? bpf_trace_run1+0x200/0x200 [ 533.810515][ C0] __bpf_trace_sys_enter+0x62/0x70 [ 533.810517][ C0] trace_sys_enter+0x40/0x50 [ 533.810521][ C0] syscall_trace_enter+0x108/0x170 [ 533.810524][ C0] syscall_enter_from_user_mode+0x20/0x30 [ 533.810527][ C0] do_syscall_64+0x13/0x40 [ 533.810530][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 533.810533][ C0] RIP: 0033:0x7fe8093d5829 [ 533.810543][ 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 [ 533.810546][ C0] RSP: 002b:00007ffeb0705e80 EFLAGS: 00000246 ORIG_RAX: 000000000000000f [ 533.810554][ C0] RAX: ffffffffffffffda RBX: 00007fe80968ffa8 RCX: 00007fe8093d5829 [ 533.810558][ C0] RDX: 00007ffeb0705e80 RSI: 00007ffeb0705fb0 RDI: 0000000000000011 [ 533.810563][ C0] RBP: 0000000000000000 R08: 0000270dd2e8e6bc R09: 00000007b070671f [ 533.810567][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fe80968ffac [ 533.810572][ C0] R13: 00007fe80968ffa0 R14: 0000000000000095 R15: 0000000000000003 [ 556.756543][ T26] INFO: task kworker/u4:1:9 blocked for more than 272 seconds. [ 556.764099][ T26] Not tainted syzkaller #0 [ 556.926440][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 556.935238][ T26] task:kworker/u4:1 state:D stack: 0 pid: 9 ppid: 2 flags:0x10004000 [ 557.386451][ T26] Workqueue: netns cleanup_net [ 557.391240][ T26] Call Trace: [ 557.394523][ T26] __schedule+0xb47/0x1310 [ 557.716472][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 557.722403][ T26] ? kthread_data+0x50/0xc0 [ 558.016490][ T26] ? wq_worker_sleeping+0x60/0x200 [ 558.021721][ T26] schedule+0x13c/0x1d0 [ 558.025875][ T26] schedule_timeout+0xa6/0x2d0 [ 558.366482][ T26] ? console_conditional_schedule+0x10/0x10 [ 558.372411][ T26] ? __prepare_to_swait+0xa8/0x130 [ 558.626450][ T26] wait_for_common+0x284/0x430 [ 558.631248][ T26] ? __kasan_check_write+0x14/0x20 [ 558.636371][ T26] ? wait_for_completion+0x20/0x20 [ 559.056466][ T26] ? mutex_lock+0x8c/0xe0 [ 559.060847][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0 [ 559.296666][ T26] wait_for_completion+0x18/0x20 [ 559.301653][ T26] flush_workqueue+0x606/0x13a0 [ 559.566479][ T26] ? flush_work+0x20/0x20 [ 559.570934][ T26] ? rcu_work_rcufn+0x50/0x50 [ 559.575615][ T26] peer_remove_after_dead+0x98/0x1a0 [ 559.926465][ T26] wg_peer_remove_all+0x3e2/0x450 [ 559.931602][ T26] ? peer_remove_after_dead+0x1a0/0x1a0 [ 560.216460][ T26] wg_destruct+0x18e/0x300 [ 560.220917][ T26] ? wg_xmit+0xb10/0xb10 [ 560.225155][ T26] netdev_run_todo+0xaf9/0xd20 [ 560.566470][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 560.571715][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 560.856452][ T26] ? list_netdevice+0x4c0/0x4c0 [ 560.861337][ T26] rtnl_unlock+0xe/0x10 [ 560.865490][ T26] default_device_exit_batch+0x335/0x390 [ 561.226452][ T26] ? default_device_exit+0x390/0x390 [ 561.231762][ T26] ? wait_woken+0x180/0x180 [ 561.236260][ T26] ? rtnl_unlock+0xe/0x10 [ 561.636452][ T26] ? default_device_exit+0x390/0x390 [ 561.641941][ T26] cleanup_net+0x5fb/0xb70 [ 561.646355][ T26] ? __kasan_check_write+0x14/0x20 [ 562.026464][ T26] ? ops_init+0x4a0/0x4a0 [ 562.030871][ T26] ? read_word_at_a_time+0x12/0x20 [ 562.035988][ T26] ? strscpy+0x9b/0x290 [ 562.416477][ T26] process_one_work+0x6e1/0xba0 [ 562.421380][ T26] worker_thread+0xa6a/0x13b0 [ 562.426061][ T26] kthread+0x346/0x3d0 [ 562.816458][ T26] ? worker_clr_flags+0x190/0x190 [ 562.821516][ T26] ? kthread_blkcg+0xd0/0xd0 [ 562.826111][ T26] ret_from_fork+0x1f/0x30 [ 563.166518][ T26] NMI backtrace for cpu 1 [ 563.170877][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 [ 563.178060][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 563.188121][ T26] Call Trace: [ 563.191407][ T26] __dump_stack+0x21/0x24 [ 563.195728][ T26] dump_stack_lvl+0x169/0x1d8 [ 563.200398][ T26] ? show_regs_print_info+0x18/0x18 [ 563.205592][ T26] ? sched_show_task+0x324/0x4a0 [ 563.210532][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 563.215466][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 563.221563][ T26] dump_stack+0x15/0x1c [ 563.225737][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 563.231714][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 563.237602][ T26] watchdog+0xe2e/0xf70 [ 563.241758][ T26] ? hungtask_pm_notify+0x50/0x50 [ 563.246777][ T26] ? __kasan_check_read+0x11/0x20 [ 563.251792][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 563.256831][ T26] kthread+0x346/0x3d0 [ 563.260895][ T26] ? hungtask_pm_notify+0x50/0x50 [ 563.265914][ T26] ? kthread_blkcg+0xd0/0xd0 [ 563.270499][ T26] ret_from_fork+0x1f/0x30 [ 563.275084][ T26] Sending NMI from CPU 1 to CPUs 0: [ 563.281143][ C0] NMI backtrace for cpu 0 [ 563.281149][ C0] CPU: 0 PID: 380 Comm: syz.2.17 Not tainted syzkaller #0 [ 563.281154][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 563.281158][ C0] RIP: 0010:__stack_depot_save+0x54/0x4c0 [ 563.281169][ C0] Code: 89 f0 45 31 e4 4e 8b 04 e7 49 81 f8 90 01 80 84 41 0f 93 c1 49 81 f8 f0 0d 80 84 41 0f 92 c2 49 81 f8 00 00 a0 84 40 0f 92 c6 <49> 81 f8 63 05 a0 84 41 0f 93 c0 45 84 d1 75 19 44 08 c6 74 14 49 [ 563.281173][ C0] RSP: 0018:ffffc90000007908 EFLAGS: 00000087 [ 563.281181][ C0] RAX: 000000000000001e RBX: ffff888111578bd0 RCX: 0000000000000001 [ 563.281185][ C0] RDX: 0000000000000a20 RSI: 0000000000000001 RDI: ffffc90000007970 [ 563.281190][ C0] RBP: ffffc90000007960 R08: ffffffff813d42a6 R09: ffffc90000007800 [ 563.281195][ C0] R10: 0000000000000001 R11: 1ffff92000000f05 R12: 0000000000000006 [ 563.281199][ C0] R13: ffffc90000007c20 R14: 0000000000000a20 R15: ffffc90000007970 [ 563.281205][ C0] FS: 00005555945bf500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 563.281209][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 563.281213][ C0] CR2: 0000000000000000 CR3: 0000000129147000 CR4: 00000000003506b0 [ 563.281218][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 563.281223][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 563.281225][ C0] Call Trace: [ 563.281227][ C0] [ 563.281230][ C0] __kasan_slab_alloc+0xcf/0xf0 [ 563.281234][ C0] ? __kasan_slab_alloc+0xbd/0xf0 [ 563.281237][ C0] ? slab_post_alloc_hook+0x5d/0x2f0 [ 563.281240][ C0] ? kmem_cache_alloc+0x165/0x2e0 [ 563.281243][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 563.281246][ C0] ? __send_signal+0x1f2/0xb80 [ 563.281249][ C0] ? send_signal+0x479/0x5b0 [ 563.281253][ C0] ? do_send_sig_info+0xd6/0x210 [ 563.281256][ C0] ? group_send_sig_info+0x111/0x2a0 [ 563.281260][ C0] ? do_bpf_send_signal+0x82/0x150 [ 563.281263][ C0] ? irq_work_run_list+0x179/0x260 [ 563.281266][ C0] ? irq_work_run+0x6a/0xf0 [ 563.281269][ C0] ? __sysvec_irq_work+0x66/0x1b0 [ 563.281272][ C0] ? asm_call_irq_on_stack+0xf/0x20 [ 563.281276][ C0] ? sysvec_irq_work+0x85/0xd0 [ 563.281279][ C0] ? asm_sysvec_irq_work+0x12/0x20 [ 563.281282][ C0] ? native_apic_msr_write+0x39/0x50 [ 563.281286][ C0] ? x2apic_send_IPI_self+0x5e/0x70 [ 563.281289][ C0] ? arch_irq_work_raise+0x86/0xd0 [ 563.281292][ C0] ? __irq_work_queue_local+0x115/0x190 [ 563.281295][ C0] ? irq_work_queue+0x9e/0x150 [ 563.281299][ C0] ? bpf_send_signal_common+0x2b2/0x420 [ 563.281302][ C0] ? bpf_send_signal+0x19/0x20 [ 563.281305][ C0] ? bpf_prog_7ba5217f62dcd359+0x38/0xd3c [ 563.281308][ C0] ? bpf_trace_run2+0xb3/0x200 [ 563.281312][ C0] ? __bpf_trace_sys_enter+0x62/0x70 [ 563.281315][ C0] ? trace_sys_enter+0x40/0x50 [ 563.281318][ C0] ? syscall_trace_enter+0x108/0x170 [ 563.281322][ C0] ? syscall_enter_from_user_mode+0x20/0x30 [ 563.281325][ C0] ? do_syscall_64+0x13/0x40 [ 563.281329][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 563.281332][ C0] slab_post_alloc_hook+0x5d/0x2f0 [ 563.281335][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 563.281338][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 563.281341][ C0] kmem_cache_alloc+0x165/0x2e0 [ 563.281345][ C0] ? __sigqueue_alloc+0x185/0x2d0 [ 563.281348][ C0] __sigqueue_alloc+0x185/0x2d0 [ 563.281351][ C0] __send_signal+0x1f2/0xb80 [ 563.281354][ C0] send_signal+0x479/0x5b0 [ 563.281357][ C0] do_send_sig_info+0xd6/0x210 [ 563.281360][ C0] group_send_sig_info+0x111/0x2a0 [ 563.281363][ C0] ? __lock_task_sighand+0x100/0x100 [ 563.281366][ C0] do_bpf_send_signal+0x82/0x150 [ 563.281370][ C0] irq_work_run_list+0x179/0x260 [ 563.281373][ C0] ? irq_work_run+0xf0/0xf0 [ 563.281375][ C0] irq_work_run+0x6a/0xf0 [ 563.281379][ C0] __sysvec_irq_work+0x66/0x1b0 [ 563.281382][ C0] asm_call_irq_on_stack+0xf/0x20 [ 563.281384][ C0] [ 563.281387][ C0] sysvec_irq_work+0x85/0xd0 [ 563.281390][ C0] asm_sysvec_irq_work+0x12/0x20 [ 563.281394][ C0] RIP: 0010:native_apic_msr_write+0x39/0x50 [ 563.281404][ 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 <0f> 1f 44 00 00 eb d6 89 f6 31 d2 e8 c7 d1 27 01 5d c3 0f 1f 44 00 [ 563.281408][ C0] RSP: 0018:ffffc90004307c20 EFLAGS: 00000246 [ 563.281415][ C0] RAX: 00000000000000f6 RBX: 00000000000000f6 RCX: 000000000000083f [ 563.281419][ C0] RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f [ 563.281423][ C0] RBP: ffffc90004307c20 R08: dffffc0000000000 R09: ffffed103ee0a5f7 [ 563.281427][ C0] R10: ffffed103ee0a5f7 R11: 1ffff1103ee0a5f6 R12: 0000000000000000 [ 563.281431][ C0] R13: dffffc0000000001 R14: ffffffff859c5998 R15: dffffc0000000000 [ 563.281434][ C0] x2apic_send_IPI_self+0x5e/0x70 [ 563.281437][ C0] arch_irq_work_raise+0x86/0xd0 [ 563.281440][ C0] __irq_work_queue_local+0x115/0x190 [ 563.281442][ C0] irq_work_queue+0x9e/0x150 [ 563.281445][ C0] bpf_send_signal_common+0x2b2/0x420 [ 563.281448][ C0] ? bpf_do_trace_printk+0x240/0x240 [ 563.281451][ C0] bpf_send_signal+0x19/0x20 [ 563.281454][ C0] bpf_prog_7ba5217f62dcd359+0x38/0xd3c [ 563.281456][ C0] bpf_trace_run2+0xb3/0x200 [ 563.281459][ C0] ? bpf_trace_run1+0x200/0x200 [ 563.281462][ C0] __bpf_trace_sys_enter+0x62/0x70 [ 563.281464][ C0] trace_sys_enter+0x40/0x50 [ 563.281467][ C0] syscall_trace_enter+0x108/0x170 [ 563.281470][ C0] syscall_enter_from_user_mode+0x20/0x30 [ 563.281473][ C0] do_syscall_64+0x13/0x40 [ 563.281476][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 563.281478][ C0] RIP: 0033:0x7fe8093d5829 [ 563.281488][ 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 [ 563.281493][ C0] RSP: 002b:00007ffeb0705e80 EFLAGS: 00000246 ORIG_RAX: 000000000000000f [ 563.281500][ C0] RAX: ffffffffffffffda RBX: 00007fe80968ffa8 RCX: 00007fe8093d5829 [ 563.281504][ C0] RDX: 00007ffeb0705e80 RSI: 00007ffeb0705fb0 RDI: 0000000000000011 [ 563.281508][ C0] RBP: 0000000000000000 R08: 0000270dd2e8e6bc R09: 00000007b070671f [ 563.281523][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fe80968ffac [ 563.281527][ C0] R13: 00007fe80968ffa0 R14: 0000000000000095 R15: 0000000000000003