Warning: Permanently added '10.128.0.190' (ED25519) to the list of known hosts.
2025/10/04 04:09:56 parsed 1 programs
[ 258.796493][ T24] audit: type=1400 audit(1759550996.530:64): 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
[ 258.818305][ T24] audit: type=1400 audit(1759550996.530:65): 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
[ 258.838803][ T24] audit: type=1400 audit(1759550996.530:66): 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
[ 259.763106][ T24] audit: type=1400 audit(1759550997.500:67): avc: denied { mounton } for pid=283 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
[ 259.764938][ T283] cgroup: Unknown subsys name 'net'
[ 259.786833][ T24] audit: type=1400 audit(1759550997.500:68): avc: denied { mount } for pid=283 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
[ 259.816400][ T24] audit: type=1400 audit(1759550997.530:69): avc: denied { unmount } for pid=283 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 259.816727][ T283] cgroup: Unknown subsys name 'devices'
[ 260.080267][ T283] cgroup: Unknown subsys name 'hugetlb'
[ 260.086042][ T283] cgroup: Unknown subsys name 'rlimit'
[ 260.327630][ T24] audit: type=1400 audit(1759550998.060:70): avc: denied { setattr } for pid=283 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
[ 260.356218][ T24] audit: type=1400 audit(1759550998.060:71): avc: denied { create } for pid=283 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 260.371922][ T285] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped).
[ 260.377584][ T24] audit: type=1400 audit(1759550998.070:72): avc: denied { write } for pid=283 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 260.406997][ T24] audit: type=1400 audit(1759550998.070:73): avc: denied { read } for pid=283 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 260.428820][ T283] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 260.906083][ T288] request_module fs-gadgetfs succeeded, but still no fs?
[ 260.921220][ T288] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation
[ 261.436986][ T330] bridge0: port 1(bridge_slave_0) entered blocking state
[ 261.444807][ T330] bridge0: port 1(bridge_slave_0) entered disabled state
[ 261.453581][ T330] device bridge_slave_0 entered promiscuous mode
[ 261.465261][ T330] bridge0: port 2(bridge_slave_1) entered blocking state
[ 261.473943][ T330] bridge0: port 2(bridge_slave_1) entered disabled state
[ 261.481887][ T330] device bridge_slave_1 entered promiscuous mode
[ 261.530260][ T330] bridge0: port 2(bridge_slave_1) entered blocking state
[ 261.538220][ T330] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 261.546208][ T330] bridge0: port 1(bridge_slave_0) entered blocking state
[ 261.554216][ T330] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 261.573872][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 261.581912][ T49] bridge0: port 1(bridge_slave_0) entered disabled state
[ 261.589546][ T49] bridge0: port 2(bridge_slave_1) entered disabled state
[ 261.604112][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 261.612394][ T49] bridge0: port 1(bridge_slave_0) entered blocking state
[ 261.620150][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 261.629662][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 261.638041][ T49] bridge0: port 2(bridge_slave_1) entered blocking state
[ 261.645506][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 261.657795][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 261.667648][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 261.682058][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 261.694393][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 261.703038][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 261.710856][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 261.719789][ T330] device veth0_vlan entered promiscuous mode
[ 261.732282][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 261.741679][ T330] device veth1_macvtap entered promiscuous mode
[ 261.752141][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 261.768020][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
2025/10/04 04:10:00 executed programs: 0
[ 262.317110][ T380] bridge0: port 1(bridge_slave_0) entered blocking state
[ 262.324671][ T380] bridge0: port 1(bridge_slave_0) entered disabled state
[ 262.333170][ T380] device bridge_slave_0 entered promiscuous mode
[ 262.343195][ T380] bridge0: port 2(bridge_slave_1) entered blocking state
[ 262.350508][ T380] bridge0: port 2(bridge_slave_1) entered disabled state
[ 262.360280][ T380] device bridge_slave_1 entered promiscuous mode
[ 262.423808][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 262.433851][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 262.449801][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 262.458585][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 262.467228][ T49] bridge0: port 1(bridge_slave_0) entered blocking state
[ 262.474371][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 262.483122][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 262.493053][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 262.502123][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 262.510917][ T49] bridge0: port 2(bridge_slave_1) entered blocking state
[ 262.518987][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 262.534094][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 262.546121][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 262.565555][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 262.579188][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 262.588459][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 262.596872][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 262.610574][ T380] device veth0_vlan entered promiscuous mode
[ 262.623477][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 262.637532][ T380] device veth1_macvtap entered promiscuous mode
[ 262.653725][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 262.665060][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 263.051367][ T7] device bridge_slave_1 left promiscuous mode
[ 263.057648][ T7] bridge0: port 2(bridge_slave_1) entered disabled state
[ 263.088879][ T7] device bridge_slave_0 left promiscuous mode
[ 263.095232][ T7] bridge0: port 1(bridge_slave_0) entered disabled state
[ 263.130098][ T7] device veth1_macvtap left promiscuous mode
[ 263.137673][ T7] device veth0_vlan left promiscuous mode
[ 387.358381][ T26] INFO: task kworker/u4:0:7 blocked for more than 122 seconds.
[ 387.366001][ T26] Not tainted syzkaller #0
[ 387.528352][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 387.537072][ T26] task:kworker/u4:0 state:D stack: 0 pid: 7 ppid: 2 flags:0x10004000
[ 387.968379][ T26] Workqueue: netns cleanup_net
[ 387.973290][ T26] Call Trace:
[ 387.976656][ T26] __schedule+0xb47/0x1310
[ 388.268377][ T26] ? release_firmware_map_entry+0x190/0x190
[ 388.274420][ T26] ? kthread_data+0x50/0xc0
[ 388.538373][ T26] ? wq_worker_sleeping+0x60/0x200
[ 388.543535][ T26] schedule+0x13c/0x1d0
[ 388.547698][ T26] schedule_timeout+0xa6/0x2d0
[ 388.888616][ T26] ? console_conditional_schedule+0x10/0x10
[ 388.894577][ T26] ? __prepare_to_swait+0xa8/0x130
[ 389.158358][ T26] wait_for_common+0x284/0x430
[ 389.163190][ T26] ? __kasan_check_write+0x14/0x20
[ 389.168315][ T26] ? wait_for_completion+0x20/0x20
[ 389.433586][ T26] ? mutex_lock+0x8c/0xe0
[ 389.437930][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0
[ 389.778373][ T26] wait_for_completion+0x18/0x20
[ 389.783368][ T26] flush_workqueue+0x606/0x13a0
[ 389.788257][ T26] ? flush_work+0x20/0x20
[ 390.148361][ T26] ? rcu_work_rcufn+0x50/0x50
[ 390.153100][ T26] peer_remove_after_dead+0x98/0x1a0
[ 390.388408][ T26] wg_peer_remove_all+0x3e2/0x450
[ 390.393496][ T26] ? peer_remove_after_dead+0x1a0/0x1a0
[ 390.668372][ T26] wg_destruct+0x18e/0x300
[ 390.672839][ T26] ? wg_xmit+0xb10/0xb10
[ 390.677091][ T26] netdev_run_todo+0xaf9/0xd20
[ 390.968390][ T26] ? netdev_refcnt_read+0x1d0/0x1d0
[ 390.973677][ T26] ? unregister_netdevice_queue+0x1aa/0x360
[ 391.268382][ T26] ? list_netdevice+0x4c0/0x4c0
[ 391.273288][ T26] rtnl_unlock+0xe/0x10
[ 391.277469][ T26] default_device_exit_batch+0x335/0x390
[ 391.618364][ T26] ? default_device_exit+0x390/0x390
[ 391.623900][ T26] ? wait_woken+0x180/0x180
[ 391.848369][ T26] ? rtnl_unlock+0xe/0x10
[ 391.852745][ T26] ? default_device_exit+0x390/0x390
[ 391.858165][ T26] cleanup_net+0x5fb/0xb70
[ 392.198400][ T26] ? __kasan_check_write+0x14/0x20
[ 392.203575][ T26] ? ops_init+0x4a0/0x4a0
[ 392.207913][ T26] ? read_word_at_a_time+0x12/0x20
[ 392.578360][ T26] ? strscpy+0x9b/0x290
[ 392.582580][ T26] process_one_work+0x6e1/0xba0
[ 392.587458][ T26] worker_thread+0xa6a/0x13b0
[ 392.898384][ T26] kthread+0x346/0x3d0
[ 392.902514][ T26] ? worker_clr_flags+0x190/0x190
[ 392.907554][ T26] ? kthread_blkcg+0xd0/0xd0
[ 393.228390][ T26] ret_from_fork+0x1f/0x30
[ 393.358424][ T26] NMI backtrace for cpu 1
[ 393.362820][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted syzkaller #0
[ 393.370018][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 393.380077][ T26] Call Trace:
[ 393.383385][ T26] __dump_stack+0x21/0x24
[ 393.387725][ T26] dump_stack_lvl+0x169/0x1d8
[ 393.392413][ T26] ? show_regs_print_info+0x18/0x18
[ 393.397617][ T26] ? sched_show_task+0x324/0x4a0
[ 393.402561][ T26] ? __rcu_read_unlock+0xa0/0xa0
[ 393.407506][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 393.413583][ T26] dump_stack+0x15/0x1c
[ 393.417750][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0
[ 393.423742][ T26] arch_trigger_cpumask_backtrace+0x10/0x20
[ 393.429732][ T26] watchdog+0xe2e/0xf70
[ 393.433899][ T26] ? hungtask_pm_notify+0x50/0x50
[ 393.439020][ T26] ? __kasan_check_read+0x11/0x20
[ 393.444081][ T26] ? __kthread_parkme+0xb9/0x1c0
[ 393.449043][ T26] kthread+0x346/0x3d0
[ 393.453122][ T26] ? hungtask_pm_notify+0x50/0x50
[ 393.458156][ T26] ? kthread_blkcg+0xd0/0xd0
[ 393.462765][ T26] ret_from_fork+0x1f/0x30
[ 393.467262][ T26] Sending NMI from CPU 1 to CPUs 0:
[ 393.473324][ C0] NMI backtrace for cpu 0
[ 393.473330][ C0] CPU: 0 PID: 384 Comm: syz.2.17 Not tainted syzkaller #0
[ 393.473336][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 393.473340][ C0] RIP: 0010:get_populated_pcp_list+0x1f6d/0x2000
[ 393.473352][ C0] Code: 48 ba 00 00 00 00 00 fc ff df 49 8b 07 31 c9 4c 39 f8 4c 0f 44 f9 48 8b 8c 24 e8 01 00 00 48 c7 84 24 20 02 00 00 0e 36 e0 45 <48> c7 04 11 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 84 24 60
[ 393.473356][ C0] RSP: 0018:ffffc900000074e0 EFLAGS: 00000002
[ 393.473365][ C0] RAX: ffffea00044b54c8 RBX: ffff8881f705ab48 RCX: 1ffff92000000ee0
[ 393.473370][ C0] RDX: dffffc0000000000 RSI: ffff8881f705ab50 RDI: 0000000000000000
[ 393.473375][ C0] RBP: ffffc90000007790 R08: 0000000000000004 R09: 0000000000000003
[ 393.473380][ C0] R10: fffff52000000ee4 R11: 1ffff92000000ee4 R12: ffff8881f705ab50
[ 393.473384][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8881f705ab60
[ 393.473390][ C0] FS: 0000555581599500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 393.473394][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 393.473399][ C0] CR2: 0000000000000000 CR3: 0000000129a2b000 CR4: 00000000003506b0
[ 393.473404][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 393.473409][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 393.473411][ C0] Call Trace:
[ 393.473413][ C0]
[ 393.473417][ C0] ? stack_trace_snprint+0xf0/0xf0
[ 393.473420][ C0] ? __set_page_owner+0x3b/0x2a0
[ 393.473424][ C0] ? __sysvec_irq_work+0x66/0x1b0
[ 393.473427][ C0] ? get_page_from_freelist+0x2235/0x23d0
[ 393.473431][ C0] ? __alloc_pages_nodemask+0x268/0x5f0
[ 393.473434][ C0] ? new_slab+0x84/0x3f0
[ 393.473437][ C0] ? ___slab_alloc+0x2a6/0x450
[ 393.473441][ C0] ? __slab_alloc+0x63/0xa0
[ 393.473444][ C0] ? kmem_cache_alloc+0x1af/0x2e0
[ 393.473448][ C0] ? get_stack_info_noinstr+0x1b/0x130
[ 393.473451][ C0] ? get_stack_info+0x36/0xa0
[ 393.473454][ C0] ? __kasan_check_write+0x14/0x20
[ 393.473458][ C0] ? _raw_spin_trylock+0xb1/0x140
[ 393.473462][ C0] ? reserve_highatomic_pageblock+0x360/0x360
[ 393.473465][ C0] ? __cpuset_node_allowed+0x41/0x330
[ 393.473469][ C0] get_page_from_freelist+0x81e/0x23d0
[ 393.473473][ C0] ? unwind_get_return_address+0x4d/0x90
[ 393.473476][ C0] ? arch_stack_walk+0xee/0x140
[ 393.473480][ C0] ? stack_trace_save+0x98/0xe0
[ 393.473483][ C0] ? __alloc_pages_nodemask+0x5f0/0x5f0
[ 393.473487][ C0] __alloc_pages_nodemask+0x268/0x5f0
[ 393.473490][ C0] ? do_send_sig_info+0xd6/0x210
[ 393.473494][ C0] ? group_send_sig_info+0x111/0x2a0
[ 393.473497][ C0] ? __sysvec_irq_work+0x66/0x1b0
[ 393.473500][ C0] ? gfp_pfmemalloc_allowed+0x130/0x130
[ 393.473503][ C0] ? arch_irq_work_raise+0x86/0xd0
[ 393.473506][ C0] ? irq_work_queue+0x9e/0x150
[ 393.473509][ C0] ? bpf_send_signal_common+0x230/0x420
[ 393.473512][ C0] ? bpf_send_signal+0x19/0x20
[ 393.473515][ C0] ? syscall_enter_from_user_mode+0x20/0x30
[ 393.473518][ C0] ? do_syscall_64+0x13/0x40
[ 393.473521][ C0] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 393.473524][ C0] new_slab+0x84/0x3f0
[ 393.473526][ C0] ___slab_alloc+0x2a6/0x450
[ 393.473529][ C0] ? __sigqueue_alloc+0x185/0x2d0
[ 393.473532][ C0] __slab_alloc+0x63/0xa0
[ 393.473535][ C0] ? __sigqueue_alloc+0x185/0x2d0
[ 393.473538][ C0] ? __sigqueue_alloc+0x185/0x2d0
[ 393.473540][ C0] kmem_cache_alloc+0x1af/0x2e0
[ 393.473543][ C0] ? __sigqueue_alloc+0x185/0x2d0
[ 393.473546][ C0] __sigqueue_alloc+0x185/0x2d0
[ 393.473549][ C0] __send_signal+0x1f2/0xb80
[ 393.473551][ C0] send_signal+0x479/0x5b0
[ 393.473554][ C0] do_send_sig_info+0xd6/0x210
[ 393.473557][ C0] group_send_sig_info+0x111/0x2a0
[ 393.473560][ C0] ? __lock_task_sighand+0x100/0x100
[ 393.473563][ C0] do_bpf_send_signal+0x82/0x150
[ 393.473565][ C0] irq_work_run_list+0x179/0x260
[ 393.473568][ C0] ? irq_work_run+0xf0/0xf0
[ 393.473571][ C0] irq_work_run+0x6a/0xf0
[ 393.473573][ C0] __sysvec_irq_work+0x66/0x1b0
[ 393.473576][ C0] asm_call_irq_on_stack+0xf/0x20
[ 393.473578][ C0]
[ 393.473581][ C0] sysvec_irq_work+0x85/0xd0
[ 393.473584][ C0] asm_sysvec_irq_work+0x12/0x20
[ 393.473587][ C0] RIP: 0010:native_apic_msr_write+0x39/0x50
[ 393.473596][ 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 e7 ad 27 01 5d c3 0f 1f 44 00
[ 393.473600][ C0] RSP: 0018:ffffc90000e77c20 EFLAGS: 00000246
[ 393.473606][ C0] RAX: 00000000000000f6 RBX: 00000000000000f6 RCX: 000000000000083f
[ 393.473610][ C0] RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f
[ 393.473614][ C0] RBP: ffffc90000e77c20 R08: dffffc0000000000 R09: ffffed103ee0a5f7
[ 393.473618][ C0] R10: ffffed103ee0a5f7 R11: 1ffff1103ee0a5f6 R12: 0000000000000000
[ 393.473622][ C0] R13: dffffc0000000001 R14: ffffffff859c4998 R15: dffffc0000000000
[ 393.473625][ C0] x2apic_send_IPI_self+0x5e/0x70
[ 393.473628][ C0] arch_irq_work_raise+0x86/0xd0
[ 393.473631][ C0] __irq_work_queue_local+0x115/0x190
[ 393.473634][ C0] irq_work_queue+0x9e/0x150
[ 393.473637][ C0] bpf_send_signal_common+0x2b2/0x420
[ 393.473640][ C0] ? bpf_do_trace_printk+0x240/0x240
[ 393.473642][ C0] bpf_send_signal+0x19/0x20
[ 393.473645][ C0] bpf_prog_7ba5217f62dcd359+0x38/0xae0
[ 393.473648][ C0] bpf_trace_run2+0xb3/0x200
[ 393.473651][ C0] ? bpf_trace_run1+0x200/0x200
[ 393.473654][ C0] __bpf_trace_sys_enter+0x62/0x70
[ 393.473656][ C0] trace_sys_enter+0x40/0x50
[ 393.473659][ C0] syscall_trace_enter+0x108/0x170
[ 393.473662][ C0] syscall_enter_from_user_mode+0x20/0x30
[ 393.473665][ C0] do_syscall_64+0x13/0x40
[ 393.473668][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 393.473671][ C0] RIP: 0033:0x7f7f81adff79
[ 393.473683][ 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
[ 393.473686][ C0] RSP: 002b:00007fff074b30c0 EFLAGS: 00000246 ORIG_RAX: 000000000000000f
[ 393.473693][ C0] RAX: ffffffffffffffda RBX: 00007f7f81d9afa8 RCX: 00007f7f81adff79
[ 393.473697][ C0] RDX: 00007fff074b30c0 RSI: 00007fff074b31f0 RDI: 0000000000000011
[ 393.473701][ C0] RBP: 0000000000000000 R08: 00309320a6a9cca6 R09: 00000007074b396f
[ 393.473705][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f7f81d9afac
[ 393.473709][ C0] R13: 00007f7f81d9afa0 R14: 0000000000000095 R15: 0000000000000003
[ 416.798352][ T26] INFO: task kworker/u4:0:7 blocked for more than 152 seconds.
[ 416.805943][ T26] Not tainted syzkaller #0
[ 416.968329][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 416.977050][ T26] task:kworker/u4:0 state:D stack: 0 pid: 7 ppid: 2 flags:0x10004000
[ 417.418377][ T26] Workqueue: netns cleanup_net
[ 417.423277][ T26] Call Trace:
[ 417.426582][ T26] __schedule+0xb47/0x1310
[ 417.748368][ T26] ? release_firmware_map_entry+0x190/0x190
[ 417.754457][ T26] ? kthread_data+0x50/0xc0
[ 417.998359][ T26] ? wq_worker_sleeping+0x60/0x200
[ 418.003518][ T26] schedule+0x13c/0x1d0
[ 418.007690][ T26] schedule_timeout+0xa6/0x2d0
[ 418.328374][ T26] ? console_conditional_schedule+0x10/0x10
[ 418.334328][ T26] ? __prepare_to_swait+0xa8/0x130
[ 418.618352][ T26] wait_for_common+0x284/0x430
[ 418.623167][ T26] ? __kasan_check_write+0x14/0x20
[ 418.848358][ T26] ? wait_for_completion+0x20/0x20
[ 418.853525][ T26] ? mutex_lock+0x8c/0xe0
[ 418.857864][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0
[ 419.238368][ T26] wait_for_completion+0x18/0x20
[ 419.243361][ T26] flush_workqueue+0x606/0x13a0
[ 419.498370][ T26] ? flush_work+0x20/0x20
[ 419.504886][ T26] ? rcu_work_rcufn+0x50/0x50
[ 419.778384][ T26] peer_remove_after_dead+0x98/0x1a0
[ 419.783735][ T26] wg_peer_remove_all+0x3e2/0x450
[ 419.998760][ T26] ? peer_remove_after_dead+0x1a0/0x1a0
[ 420.004364][ T26] wg_destruct+0x18e/0x300
[ 420.258347][ T26] ? wg_xmit+0xb10/0xb10
[ 420.262659][ T26] netdev_run_todo+0xaf9/0xd20
[ 420.267437][ T26] ? netdev_refcnt_read+0x1d0/0x1d0
[ 420.628352][ T26] ? unregister_netdevice_queue+0x1aa/0x360
[ 420.634417][ T26] ? list_netdevice+0x4c0/0x4c0
[ 420.888351][ T26] rtnl_unlock+0xe/0x10
[ 420.892699][ T26] default_device_exit_batch+0x335/0x390
[ 421.138366][ T26] ? default_device_exit+0x390/0x390
[ 421.143713][ T26] ? wait_woken+0x180/0x180
[ 421.148230][ T26] ? rtnl_unlock+0xe/0x10
[ 421.478357][ T26] ? default_device_exit+0x390/0x390
[ 421.483885][ T26] cleanup_net+0x5fb/0xb70
[ 421.728374][ T26] ? __kasan_check_write+0x14/0x20
[ 421.733542][ T26] ? ops_init+0x4a0/0x4a0
[ 421.737883][ T26] ? read_word_at_a_time+0x12/0x20
[ 422.108373][ T26] ? strscpy+0x9b/0x290
[ 422.112693][ T26] process_one_work+0x6e1/0xba0
[ 422.117557][ T26] worker_thread+0xa6a/0x13b0
[ 422.458357][ T26] kthread+0x346/0x3d0
[ 422.462476][ T26] ? worker_clr_flags+0x190/0x190
[ 422.467518][ T26] ? kthread_blkcg+0xd0/0xd0
[ 422.798350][ T26] ret_from_fork+0x1f/0x30
[ 422.888393][ T26] NMI backtrace for cpu 1
[ 422.892786][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted syzkaller #0
[ 422.899994][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 422.910190][ T26] Call Trace:
[ 422.913494][ T26] __dump_stack+0x21/0x24
[ 422.917832][ T26] dump_stack_lvl+0x169/0x1d8
[ 422.922529][ T26] ? show_regs_print_info+0x18/0x18
[ 422.927821][ T26] ? sched_show_task+0x324/0x4a0
[ 422.932769][ T26] ? __rcu_read_unlock+0xa0/0xa0
[ 422.937803][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 422.943879][ T26] dump_stack+0x15/0x1c
[ 422.948049][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0
[ 422.954045][ T26] arch_trigger_cpumask_backtrace+0x10/0x20
[ 422.960036][ T26] watchdog+0xe2e/0xf70
[ 422.964228][ T26] ? hungtask_pm_notify+0x50/0x50
[ 422.969264][ T26] ? __kasan_check_read+0x11/0x20
[ 422.974295][ T26] ? __kthread_parkme+0xb9/0x1c0
[ 422.979238][ T26] kthread+0x346/0x3d0
[ 422.983315][ T26] ? hungtask_pm_notify+0x50/0x50
[ 422.988343][ T26] ? kthread_blkcg+0xd0/0xd0
[ 422.992946][ T26] ret_from_fork+0x1f/0x30
[ 422.997438][ T26] Sending NMI from CPU 1 to CPUs 0:
[ 423.002876][ C0] NMI backtrace for cpu 0
[ 423.002881][ C0] CPU: 0 PID: 384 Comm: syz.2.17 Not tainted syzkaller #0
[ 423.002887][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 423.002891][ C0] RIP: 0010:bpf_trace_run2+0x9e/0x200
[ 423.002902][ C0] Code: 24 40 48 89 5c 24 48 e8 d0 a8 e3 ff 0f 1f 44 00 00 e8 96 88 f5 ff 49 8d 5e 38 49 83 c6 30 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 <74> 08 4c 89 f7 e8 18 78 2f 00 48 8d 7c 24 40 48 89 de 41 ff 16 e8
[ 423.002906][ C0] RSP: 0018:ffffc90000e77de0 EFLAGS: 00000246
[ 423.002916][ C0] RAX: 1ffff92000021a06 RBX: ffffc9000010d038 RCX: ffff88810f7862c0
[ 423.002921][ C0] RDX: 0000000000000000 RSI: ffffc90000e77f58 RDI: ffffc9000010d000
[ 423.002925][ C0] RBP: ffffc90000e77ea0 R08: 0000000000000000 R09: 0000000000000000
[ 423.002930][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90000e77f58
[ 423.002935][ C0] R13: 1ffff920001cefc0 R14: ffffc9000010d030 R15: dffffc0000000000
[ 423.002941][ C0] FS: 0000555581599500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 423.002945][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 423.002950][ C0] CR2: 0000000000000000 CR3: 0000000129a2b000 CR4: 00000000003506b0
[ 423.002955][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 423.002960][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 423.002962][ C0] Call Trace:
[ 423.002966][ C0] ? bpf_trace_run1+0x200/0x200
[ 423.002969][ C0] __bpf_trace_sys_enter+0x62/0x70
[ 423.002972][ C0] trace_sys_enter+0x40/0x50
[ 423.002976][ C0] syscall_trace_enter+0x108/0x170
[ 423.002979][ C0] syscall_enter_from_user_mode+0x20/0x30
[ 423.002982][ C0] do_syscall_64+0x13/0x40
[ 423.002986][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 423.002989][ C0] RIP: 0033:0x7f7f81adff79
[ 423.003000][ 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
[ 423.003004][ C0] RSP: 002b:00007fff074b30c0 EFLAGS: 00000246 ORIG_RAX: 000000000000000f
[ 423.003012][ C0] RAX: ffffffffffffffda RBX: 00007f7f81d9afa8 RCX: 00007f7f81adff79
[ 423.003017][ C0] RDX: 00007fff074b30c0 RSI: 00007fff074b31f0 RDI: 0000000000000011
[ 423.003022][ C0] RBP: 0000000000000000 R08: 00309320a6a9cca6 R09: 00000007074b396f
[ 423.003027][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f7f81d9afac
[ 423.003032][ C0] R13: 00007f7f81d9afa0 R14: 0000000000000095 R15: 0000000000000003
[ 446.238351][ T26] INFO: task kworker/u4:0:7 blocked for more than 181 seconds.
[ 446.245946][ T26] Not tainted syzkaller #0
[ 446.398316][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 446.407037][ T26] task:kworker/u4:0 state:D stack: 0 pid: 7 ppid: 2 flags:0x10004000
[ 446.838369][ T26] Workqueue: netns cleanup_net
[ 446.843200][ T26] Call Trace:
[ 446.846530][ T26] __schedule+0xb47/0x1310
[ 447.138351][ T26] ? release_firmware_map_entry+0x190/0x190
[ 447.144298][ T26] ? kthread_data+0x50/0xc0
[ 447.408348][ T26] ? wq_worker_sleeping+0x60/0x200
[ 447.413530][ T26] schedule+0x13c/0x1d0
[ 447.417696][ T26] schedule_timeout+0xa6/0x2d0
[ 447.728345][ T26] ? console_conditional_schedule+0x10/0x10
[ 447.734304][ T26] ? __prepare_to_swait+0xa8/0x130
[ 448.038348][ T26] wait_for_common+0x284/0x430
[ 448.043174][ T26] ? __kasan_check_write+0x14/0x20
[ 448.268369][ T26] ? wait_for_completion+0x20/0x20
[ 448.273535][ T26] ? mutex_lock+0x8c/0xe0
[ 448.277879][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0
[ 448.628338][ T26] wait_for_completion+0x18/0x20
[ 448.633440][ T26] flush_workqueue+0x606/0x13a0
[ 448.918599][ T26] ? flush_work+0x20/0x20
[ 448.923070][ T26] ? rcu_work_rcufn+0x50/0x50
[ 448.927757][ T26] peer_remove_after_dead+0x98/0x1a0
[ 449.238350][ T26] wg_peer_remove_all+0x3e2/0x450
[ 449.243432][ T26] ? peer_remove_after_dead+0x1a0/0x1a0
[ 449.508348][ T26] wg_destruct+0x18e/0x300
[ 449.512814][ T26] ? wg_xmit+0xb10/0xb10
[ 449.517064][ T26] netdev_run_todo+0xaf9/0xd20
[ 449.838340][ T26] ? netdev_refcnt_read+0x1d0/0x1d0
[ 449.843592][ T26] ? unregister_netdevice_queue+0x1aa/0x360
[ 450.118353][ T26] ? list_netdevice+0x4c0/0x4c0
[ 450.123262][ T26] rtnl_unlock+0xe/0x10
[ 450.127432][ T26] default_device_exit_batch+0x335/0x390
[ 450.488363][ T26] ? default_device_exit+0x390/0x390
[ 450.493700][ T26] ? wait_woken+0x180/0x180
[ 450.498220][ T26] ? rtnl_unlock+0xe/0x10
[ 450.838341][ T26] ? default_device_exit+0x390/0x390
[ 450.843700][ T26] cleanup_net+0x5fb/0xb70
[ 450.848124][ T26] ? __kasan_check_write+0x14/0x20
[ 451.208362][ T26] ? ops_init+0x4a0/0x4a0
[ 451.212754][ T26] ? read_word_at_a_time+0x12/0x20
[ 451.217871][ T26] ? strscpy+0x9b/0x290
[ 451.548337][ T26] process_one_work+0x6e1/0xba0
[ 451.553409][ T26] worker_thread+0xa6a/0x13b0
[ 451.558100][ T26] kthread+0x346/0x3d0
[ 451.868336][ T26] ? worker_clr_flags+0x190/0x190
[ 451.873428][ T26] ? kthread_blkcg+0xd0/0xd0
[ 451.878045][ T26] ret_from_fork+0x1f/0x30
[ 452.218423][ T26] NMI backtrace for cpu 1
[ 452.222894][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted syzkaller #0
[ 452.230105][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 452.240164][ T26] Call Trace:
[ 452.243467][ T26] __dump_stack+0x21/0x24
[ 452.247811][ T26] dump_stack_lvl+0x169/0x1d8
[ 452.252494][ T26] ? show_regs_print_info+0x18/0x18
[ 452.257697][ T26] ? sched_show_task+0x324/0x4a0
[ 452.262648][ T26] ? __rcu_read_unlock+0xa0/0xa0
[ 452.267593][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 452.273664][ T26] dump_stack+0x15/0x1c
[ 452.277841][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0
[ 452.283828][ T26] arch_trigger_cpumask_backtrace+0x10/0x20
[ 452.289729][ T26] watchdog+0xe2e/0xf70
[ 452.293906][ T26] ? hungtask_pm_notify+0x50/0x50
[ 452.298943][ T26] ? __kasan_check_read+0x11/0x20
[ 452.304016][ T26] ? __kthread_parkme+0xb9/0x1c0
[ 452.308990][ T26] kthread+0x346/0x3d0
[ 452.313069][ T26] ? hungtask_pm_notify+0x50/0x50
[ 452.318112][ T26] ? kthread_blkcg+0xd0/0xd0
[ 452.322706][ T26] ret_from_fork+0x1f/0x30
[ 452.327315][ T26] Sending NMI from CPU 1 to CPUs 0:
[ 452.332875][ C0] NMI backtrace for cpu 0
[ 452.332881][ C0] CPU: 0 PID: 384 Comm: syz.2.17 Not tainted syzkaller #0
[ 452.332887][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 452.332891][ C0] RIP: 0010:fpu__restore_sig+0xbfa/0x1240
[ 452.332902][ C0] Code: 3b 84 24 60 01 00 00 0f 85 34 01 00 00 44 89 f8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 49 01 df 4c 89 f8 e8 c6 ce 31 01 <49> 89 c7 41 89 d6 41 bc ff ff ff ff 48 89 c6 4c 21 e6 31 ff e8 dd
[ 452.332906][ C0] RSP: 0018:ffffc90000e77b40 EFLAGS: 00000246
[ 452.332915][ C0] RAX: 0000000000000000 RBX: 00007fff074b3280 RCX: 0000000000000000
[ 452.332920][ C0] RDX: 0000000046505845 RSI: 0000000000000344 RDI: 0000000000000340
[ 452.332925][ C0] RBP: ffffc90000e77cf0 R08: 0000000000000000 R09: fffff520001cef90
[ 452.332930][ C0] R10: fffff520001cef90 R11: 1ffff920001cef8a R12: dffffc0000000000
[ 452.332934][ C0] R13: 00007fff074b3280 R14: 0000000000000344 R15: 00007fff074b35c0
[ 452.332940][ C0] FS: 0000555581599500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 452.332944][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 452.332949][ C0] CR2: 0000000000000000 CR3: 0000000129a2b000 CR4: 00000000003506b0
[ 452.332953][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 452.332958][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 452.332961][ C0] Call Trace:
[ 452.332964][ C0] ? sysvec_irq_work+0xc8/0xd0
[ 452.332968][ C0] ? asm_sysvec_irq_work+0x12/0x20
[ 452.332971][ C0] ? copy_fpstate_to_sigframe+0xb40/0xb40
[ 452.332975][ C0] ? __kasan_check_write+0x14/0x20
[ 452.332978][ C0] ? recalc_sigpending+0x1c4/0x230
[ 452.332981][ C0] ? __kasan_check_write+0x14/0x20
[ 452.332985][ C0] ? _copy_from_user+0x95/0xd0
[ 452.332988][ C0] __ia32_sys_rt_sigreturn+0x5d0/0x6c0
[ 452.332992][ C0] ? bpf_do_trace_printk+0x240/0x240
[ 452.332995][ C0] ? KSTK_ESP+0x60/0x60
[ 452.332998][ C0] ? __bpf_trace_sys_enter+0x62/0x70
[ 452.333002][ C0] ? syscall_trace_enter+0x108/0x170
[ 452.333005][ C0] do_syscall_64+0x31/0x40
[ 452.333008][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 452.333011][ C0] RIP: 0033:0x7f7f81b43ec9
[ 452.333022][ 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
[ 452.333026][ C0] RSP: 002b:00007fff074b3678 EFLAGS: 00000246
[ 452.333033][ C0] RAX: 0000000000000000 RBX: 00007f7f81d9afa8 RCX: 00007f7f81b43ec9
[ 452.333038][ C0] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f7f81d9afac
[ 452.333043][ C0] RBP: 0000000000000000 R08: 00309320a6a9cca6 R09: 00000007074b396f
[ 452.333047][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f7f81d9afac
[ 452.333052][ C0] R13: 00007f7f81d9afa0 R14: 0000000000000095 R15: 0000000000000003
[ 475.688340][ T26] INFO: task kworker/u4:0:7 blocked for more than 210 seconds.
[ 475.695934][ T26] Not tainted syzkaller #0
[ 475.878332][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 475.887053][ T26] task:kworker/u4:0 state:D stack: 0 pid: 7 ppid: 2 flags:0x10004000
[ 476.288411][ T26] Workqueue: netns cleanup_net
[ 476.293223][ T26] Call Trace:
[ 476.296641][ T26] __schedule+0xb47/0x1310
[ 476.598327][ T26] ? release_firmware_map_entry+0x190/0x190
[ 476.604454][ T26] ? kthread_data+0x50/0xc0
[ 476.878435][ T26] ? wq_worker_sleeping+0x60/0x200
[ 476.883597][ T26] schedule+0x13c/0x1d0
[ 476.887761][ T26] schedule_timeout+0xa6/0x2d0
[ 477.218367][ T26] ? console_conditional_schedule+0x10/0x10
[ 477.224413][ T26] ? __prepare_to_swait+0xa8/0x130
[ 477.488321][ T26] wait_for_common+0x284/0x430
[ 477.493239][ T26] ? __kasan_check_write+0x14/0x20
[ 477.728349][ T26] ? wait_for_completion+0x20/0x20
[ 477.733607][ T26] ? mutex_lock+0x8c/0xe0
[ 477.737950][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0
[ 478.138327][ T26] wait_for_completion+0x18/0x20
[ 478.143319][ T26] flush_workqueue+0x606/0x13a0
[ 478.148182][ T26] ? flush_work+0x20/0x20
[ 478.478331][ T26] ? rcu_work_rcufn+0x50/0x50
[ 478.483279][ T26] peer_remove_after_dead+0x98/0x1a0
[ 478.728348][ T26] wg_peer_remove_all+0x3e2/0x450
[ 478.733432][ T26] ? peer_remove_after_dead+0x1a0/0x1a0
[ 478.988347][ T26] wg_destruct+0x18e/0x300
[ 478.992810][ T26] ? wg_xmit+0xb10/0xb10
[ 478.997086][ T26] netdev_run_todo+0xaf9/0xd20
[ 479.328351][ T26] ? netdev_refcnt_read+0x1d0/0x1d0
[ 479.333610][ T26] ? unregister_netdevice_queue+0x1aa/0x360
[ 479.578342][ T26] ? list_netdevice+0x4c0/0x4c0
[ 479.583329][ T26] rtnl_unlock+0xe/0x10
[ 479.587520][ T26] default_device_exit_batch+0x335/0x390
[ 479.948329][ T26] ? default_device_exit+0x390/0x390
[ 479.953673][ T26] ? wait_woken+0x180/0x180
[ 479.958185][ T26] ? rtnl_unlock+0xe/0x10
[ 480.308352][ T26] ? default_device_exit+0x390/0x390
[ 480.313688][ T26] cleanup_net+0x5fb/0xb70
[ 480.318116][ T26] ? __kasan_check_write+0x14/0x20
[ 480.658334][ T26] ? ops_init+0x4a0/0x4a0
[ 480.662769][ T26] ? read_word_at_a_time+0x12/0x20
[ 480.667891][ T26] ? strscpy+0x9b/0x290
[ 480.988347][ T26] process_one_work+0x6e1/0xba0
[ 480.993265][ T26] worker_thread+0xa6a/0x13b0
[ 480.998044][ T26] kthread+0x346/0x3d0
[ 481.348317][ T26] ? worker_clr_flags+0x190/0x190
[ 481.353479][ T26] ? kthread_blkcg+0xd0/0xd0
[ 481.358117][ T26] ret_from_fork+0x1f/0x30
[ 481.698458][ T26] NMI backtrace for cpu 1
[ 481.702874][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted syzkaller #0
[ 481.710068][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 481.720139][ T26] Call Trace:
[ 481.723530][ T26] __dump_stack+0x21/0x24
[ 481.727864][ T26] dump_stack_lvl+0x169/0x1d8
[ 481.732545][ T26] ? show_regs_print_info+0x18/0x18
[ 481.737951][ T26] ? sched_show_task+0x324/0x4a0
[ 481.742935][ T26] ? __rcu_read_unlock+0xa0/0xa0
[ 481.747937][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 481.754040][ T26] dump_stack+0x15/0x1c
[ 481.758201][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0
[ 481.764190][ T26] arch_trigger_cpumask_backtrace+0x10/0x20
[ 481.770166][ T26] watchdog+0xe2e/0xf70
[ 481.774376][ T26] ? hungtask_pm_notify+0x50/0x50
[ 481.779425][ T26] ? __kasan_check_read+0x11/0x20
[ 481.784453][ T26] ? __kthread_parkme+0xb9/0x1c0
[ 481.789402][ T26] kthread+0x346/0x3d0
[ 481.793482][ T26] ? hungtask_pm_notify+0x50/0x50
[ 481.798511][ T26] ? kthread_blkcg+0xd0/0xd0
[ 481.803105][ T26] ret_from_fork+0x1f/0x30
[ 481.807696][ T26] Sending NMI from CPU 1 to CPUs 0:
[ 481.813701][ C0] NMI backtrace for cpu 0
[ 481.813707][ C0] CPU: 0 PID: 384 Comm: syz.2.17 Not tainted syzkaller #0
[ 481.813713][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 481.813717][ C0] RIP: 0010:unwind_next_frame+0x3b9/0x700
[ 481.813728][ C0] Code: 48 8b 05 9a b9 d3 7e 48 39 45 a8 4c 8b 75 d0 4c 8b 6d c0 74 0a 4c 89 ff e8 54 03 00 00 eb 18 4c 89 f8 48 c1 e8 03 80 3c 10 00 <74> 08 4c 89 ff e8 9d e1 6e 00 49 8b 07 48 89 df 48 89 45 d0 48 89
[ 481.813732][ C0] RSP: 0018:ffffc90000e77608 EFLAGS: 00000046
[ 481.813741][ C0] RAX: 1ffff920001cef54 RBX: ffffc90000e77688 RCX: 0000000000e77601
[ 481.813746][ C0] RDX: dffffc0000000000 RSI: ffffffff819cf760 RDI: ffffc90000e77f48
[ 481.813751][ C0] RBP: ffffc90000e77678 R08: ffffc90000e77750 R09: ffffc90000e77748
[ 481.813755][ C0] R10: 0000000000000005 R11: 1ffff920001ceed1 R12: 0000000000000000
[ 481.813760][ C0] R13: 1ffff920001ceedc R14: ffffc90000e776e0 R15: ffffc90000e77aa0
[ 481.813765][ C0] FS: 0000555581599500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 481.813770][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 481.813774][ C0] CR2: 0000000000000000 CR3: 0000000129a2b000 CR4: 00000000003506b0
[ 481.813779][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 481.813784][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 481.813787][ C0] Call Trace:
[ 481.813790][ C0] ? stack_trace_save+0xe0/0xe0
[ 481.813793][ C0] arch_stack_walk+0x108/0x140
[ 481.813796][ C0] ? kmem_cache_free+0x100/0x2d0
[ 481.813799][ C0] stack_trace_save+0x98/0xe0
[ 481.813803][ C0] ? stack_trace_snprint+0xf0/0xf0
[ 481.813806][ C0] ? 0xffffffffa0026520
[ 481.813809][ C0] ? memset+0x35/0x40
[ 481.813812][ C0] kasan_set_track+0x4a/0x70
[ 481.813815][ C0] ? kasan_set_track+0x4a/0x70
[ 481.813819][ C0] ? kasan_set_free_info+0x23/0x40
[ 481.813822][ C0] ? ____kasan_slab_free+0x125/0x160
[ 481.813826][ C0] ? __kasan_slab_free+0x11/0x20
[ 481.813829][ C0] ? slab_free_freelist_hook+0xc5/0x190
[ 481.813833][ C0] ? kmem_cache_free+0x100/0x2d0
[ 481.813836][ C0] ? kmem_cache_free+0x100/0x2d0
[ 481.813839][ C0] kasan_set_free_info+0x23/0x40
[ 481.813842][ C0] ____kasan_slab_free+0x125/0x160
[ 481.813846][ C0] __kasan_slab_free+0x11/0x20
[ 481.813849][ C0] slab_free_freelist_hook+0xc5/0x190
[ 481.813852][ C0] ? __dequeue_signal+0x530/0x620
[ 481.813856][ C0] kmem_cache_free+0x100/0x2d0
[ 481.813859][ C0] __dequeue_signal+0x530/0x620
[ 481.813862][ C0] dequeue_signal+0xa0/0x440
[ 481.813865][ C0] get_signal+0x772/0x12e0
[ 481.813869][ C0] arch_do_signal_or_restart+0xbf/0x10f0
[ 481.813873][ C0] ? __ia32_sys_rt_sigreturn+0x5e7/0x6c0
[ 481.813876][ C0] ? bpf_do_trace_printk+0x240/0x240
[ 481.813879][ C0] ? KSTK_ESP+0x60/0x60
[ 481.813883][ C0] ? __ia32_sys_rt_sigreturn+0x6c0/0x6c0
[ 481.813886][ C0] ? __bpf_trace_sys_enter+0x62/0x70
[ 481.813889][ C0] exit_to_user_mode_loop+0xa2/0xe0
[ 481.813893][ C0] exit_to_user_mode_prepare+0x76/0xa0
[ 481.813897][ C0] syscall_exit_to_user_mode+0x1d/0x40
[ 481.813900][ C0] do_syscall_64+0x3d/0x40
[ 481.813903][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 481.813906][ C0] RIP: 0033:0x7f7f81b43ec9
[ 481.813917][ 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
[ 481.813921][ C0] RSP: 002b:00007fff074b3678 EFLAGS: 00000246
[ 481.813928][ C0] RAX: 0000000000000000 RBX: 00007f7f81d9afa8 RCX: 00007f7f81b43ec9
[ 481.813933][ C0] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f7f81d9afac
[ 481.813938][ C0] RBP: 0000000000000000 R08: 00309320a6a9cca6 R09: 00000007074b396f
[ 481.813942][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f7f81d9afac
[ 481.813947][ C0] R13: 00007f7f81d9afa0 R14: 0000000000000095 R15: 0000000000000003
[ 505.118349][ T26] INFO: task kworker/u4:0:7 blocked for more than 240 seconds.
[ 505.126144][ T26] Not tainted syzkaller #0
[ 505.298317][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 505.307030][ T26] task:kworker/u4:0 state:D stack: 0 pid: 7 ppid: 2 flags:0x10004000
[ 505.748338][ T26] Workqueue: netns cleanup_net
[ 505.753156][ T26] Call Trace:
[ 505.756486][ T26] __schedule+0xb47/0x1310
[ 506.038320][ T26] ? release_firmware_map_entry+0x190/0x190
[ 506.044273][ T26] ? kthread_data+0x50/0xc0
[ 506.298334][ T26] ? wq_worker_sleeping+0x60/0x200
[ 506.303499][ T26] schedule+0x13c/0x1d0
[ 506.307659][ T26] schedule_timeout+0xa6/0x2d0
[ 506.628335][ T26] ? console_conditional_schedule+0x10/0x10
[ 506.634473][ T26] ? __prepare_to_swait+0xa8/0x130
[ 506.918334][ T26] wait_for_common+0x284/0x430
[ 506.923157][ T26] ? __kasan_check_write+0x14/0x20
[ 507.178364][ T26] ? wait_for_completion+0x20/0x20
[ 507.183537][ T26] ? mutex_lock+0x8c/0xe0
[ 507.187881][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0
[ 507.548336][ T26] wait_for_completion+0x18/0x20
[ 507.553330][ T26] flush_workqueue+0x606/0x13a0
[ 507.558190][ T26] ? flush_work+0x20/0x20
[ 507.918317][ T26] ? rcu_work_rcufn+0x50/0x50
[ 507.923094][ T26] peer_remove_after_dead+0x98/0x1a0
[ 508.158332][ T26] wg_peer_remove_all+0x3e2/0x450
[ 508.163456][ T26] ? peer_remove_after_dead+0x1a0/0x1a0
[ 508.398349][ T26] wg_destruct+0x18e/0x300
[ 508.402903][ T26] ? wg_xmit+0xb10/0xb10
[ 508.407162][ T26] netdev_run_todo+0xaf9/0xd20
[ 508.768334][ T26] ? netdev_refcnt_read+0x1d0/0x1d0
[ 508.773583][ T26] ? unregister_netdevice_queue+0x1aa/0x360
[ 509.018351][ T26] ? list_netdevice+0x4c0/0x4c0
[ 509.023259][ T26] rtnl_unlock+0xe/0x10
[ 509.027433][ T26] default_device_exit_batch+0x335/0x390
[ 509.378340][ T26] ? default_device_exit+0x390/0x390
[ 509.383688][ T26] ? wait_woken+0x180/0x180
[ 509.388243][ T26] ? rtnl_unlock+0xe/0x10
[ 509.718308][ T26] ? default_device_exit+0x390/0x390
[ 509.723647][ T26] cleanup_net+0x5fb/0xb70
[ 509.978329][ T26] ? __kasan_check_write+0x14/0x20
[ 509.983497][ T26] ? ops_init+0x4a0/0x4a0
[ 509.987834][ T26] ? read_word_at_a_time+0x12/0x20
[ 510.338334][ T26] ? strscpy+0x9b/0x290
[ 510.342631][ T26] process_one_work+0x6e1/0xba0
[ 510.347494][ T26] worker_thread+0xa6a/0x13b0
[ 510.668315][ T26] kthread+0x346/0x3d0
[ 510.672430][ T26] ? worker_clr_flags+0x190/0x190
[ 510.677466][ T26] ? kthread_blkcg+0xd0/0xd0
[ 511.008334][ T26] ret_from_fork+0x1f/0x30
[ 511.138364][ T26] NMI backtrace for cpu 1
[ 511.142745][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted syzkaller #0
[ 511.149945][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 511.160002][ T26] Call Trace:
[ 511.163300][ T26] __dump_stack+0x21/0x24
[ 511.167640][ T26] dump_stack_lvl+0x169/0x1d8
[ 511.172326][ T26] ? show_regs_print_info+0x18/0x18
[ 511.177528][ T26] ? __rcu_read_unlock+0xa0/0xa0
[ 511.182475][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 511.188547][ T26] dump_stack+0x15/0x1c
[ 511.192712][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0
[ 511.198695][ T26] arch_trigger_cpumask_backtrace+0x10/0x20
[ 511.204596][ T26] watchdog+0xe2e/0xf70
[ 511.208762][ T26] ? hungtask_pm_notify+0x50/0x50
[ 511.213799][ T26] ? __kasan_check_read+0x11/0x20
[ 511.218830][ T26] ? __kthread_parkme+0xb9/0x1c0
[ 511.223772][ T26] kthread+0x346/0x3d0
[ 511.227853][ T26] ? hungtask_pm_notify+0x50/0x50
[ 511.232884][ T26] ? kthread_blkcg+0xd0/0xd0
[ 511.237480][ T26] ret_from_fork+0x1f/0x30
[ 511.242068][ T26] Sending NMI from CPU 1 to CPUs 0:
[ 511.248053][ C0] NMI backtrace for cpu 0
[ 511.248059][ C0] CPU: 0 PID: 384 Comm: syz.2.17 Not tainted syzkaller #0
[ 511.248065][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 511.248069][ C0] RIP: 0010:stack_trace_consume_entry+0x0/0x290
[ 511.248081][ C0] Code: 48 8b 0c 25 28 00 00 00 48 3b 4c 24 78 75 09 48 8d 65 f0 5b 41 5e 5d c3 e8 7d 28 1f 03 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 20 48 ba 00 00 00
[ 511.248085][ C0] RSP: 0018:ffffc90000007820 EFLAGS: 00000086
[ 511.248094][ C0] RAX: ffffffff8472c605 RBX: ffffc900000078e0 RCX: 0000000000007801
[ 511.248099][ C0] RDX: ffffc90000e77b40 RSI: ffffffff8472c605 RDI: ffffc900000078e0
[ 511.248104][ C0] RBP: ffffc900000078b0 R08: ffffc90000007801 R09: ffffc900000078e8
[ 511.248109][ C0] R10: 000000000000000c R11: 1ffff92000000f05 R12: ffff88810f7862c0
[ 511.248113][ C0] R13: ffffc90000007c20 R14: ffffffff8153a9d0 R15: ffffc90000007828
[ 511.248119][ C0] FS: 0000555581599500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 511.248123][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 511.248128][ C0] CR2: 0000000000000000 CR3: 0000000129a2b000 CR4: 00000000003506b0
[ 511.248133][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 511.248138][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 511.248140][ C0] Call Trace:
[ 511.248142][ C0]
[ 511.248146][ C0] ? arch_stack_walk+0xfc/0x140
[ 511.248149][ C0] ? sysvec_irq_work+0x85/0xd0
[ 511.248152][ C0] stack_trace_save+0x98/0xe0
[ 511.248155][ C0] ? stack_trace_snprint+0xf0/0xf0
[ 511.248158][ C0] ? memset+0x35/0x40
[ 511.248162][ C0] __kasan_slab_alloc+0xbd/0xf0
[ 511.248165][ C0] ? __kasan_slab_alloc+0xbd/0xf0
[ 511.248169][ C0] ? slab_post_alloc_hook+0x5d/0x2f0
[ 511.248172][ C0] ? kmem_cache_alloc+0x165/0x2e0
[ 511.248175][ C0] ? __sigqueue_alloc+0x185/0x2d0
[ 511.248178][ C0] ? __send_signal+0x1f2/0xb80
[ 511.248182][ C0] ? send_signal+0x479/0x5b0
[ 511.248185][ C0] ? do_send_sig_info+0xd6/0x210
[ 511.248188][ C0] ? group_send_sig_info+0x111/0x2a0
[ 511.248192][ C0] ? do_bpf_send_signal+0x82/0x150
[ 511.248195][ C0] ? irq_work_run_list+0x179/0x260
[ 511.248198][ C0] ? irq_work_run+0x6a/0xf0
[ 511.248202][ C0] ? __sysvec_irq_work+0x66/0x1b0
[ 511.248205][ C0] ? asm_call_irq_on_stack+0xf/0x20
[ 511.248209][ C0] slab_post_alloc_hook+0x5d/0x2f0
[ 511.248212][ C0] ? __sigqueue_alloc+0x185/0x2d0
[ 511.248216][ C0] ? __sigqueue_alloc+0x185/0x2d0
[ 511.248219][ C0] kmem_cache_alloc+0x165/0x2e0
[ 511.248222][ C0] ? __sigqueue_alloc+0x185/0x2d0
[ 511.248226][ C0] __sigqueue_alloc+0x185/0x2d0
[ 511.248229][ C0] __send_signal+0x1f2/0xb80
[ 511.248232][ C0] send_signal+0x479/0x5b0
[ 511.248235][ C0] do_send_sig_info+0xd6/0x210
[ 511.248238][ C0] group_send_sig_info+0x111/0x2a0
[ 511.248242][ C0] ? __lock_task_sighand+0x100/0x100
[ 511.248245][ C0] do_bpf_send_signal+0x82/0x150
[ 511.248249][ C0] irq_work_run_list+0x179/0x260
[ 511.248252][ C0] ? irq_work_run+0xf0/0xf0
[ 511.248255][ C0] irq_work_run+0x6a/0xf0
[ 511.248262][ C0] __sysvec_irq_work+0x66/0x1b0
[ 511.248266][ C0] asm_call_irq_on_stack+0xf/0x20
[ 511.248268][ C0]
[ 511.248272][ C0] sysvec_irq_work+0x85/0xd0
[ 511.248275][ C0] asm_sysvec_irq_work+0x12/0x20
[ 511.248280][ C0] RIP: 0010:native_apic_msr_write+0x39/0x50
[ 511.248291][ 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 e7 ad 27 01 5d c3 0f 1f 44 00
[ 511.248296][ C0] RSP: 0018:ffffc90000e77c20 EFLAGS: 00000246
[ 511.248304][ C0] RAX: 00000000000000f6 RBX: 00000000000000f6 RCX: 000000000000083f
[ 511.248309][ C0] RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f
[ 511.248314][ C0] RBP: ffffc90000e77c20 R08: dffffc0000000000 R09: ffffed103ee0a5f7
[ 511.248320][ C0] R10: ffffed103ee0a5f7 R11: 1ffff1103ee0a5f6 R12: 0000000000000000
[ 511.248325][ C0] R13: dffffc0000000001 R14: ffffffff859c4998 R15: dffffc0000000000
[ 511.248329][ C0] x2apic_send_IPI_self+0x5e/0x70
[ 511.248333][ C0] arch_irq_work_raise+0x86/0xd0
[ 511.248337][ C0] __irq_work_queue_local+0x115/0x190
[ 511.248340][ C0] irq_work_queue+0x9e/0x150
[ 511.248344][ C0] bpf_send_signal_common+0x2b2/0x420
[ 511.248348][ C0] ? bpf_do_trace_printk+0x240/0x240
[ 511.248352][ C0] bpf_send_signal+0x19/0x20
[ 511.248356][ C0] bpf_prog_7ba5217f62dcd359+0x38/0xae0
[ 511.248359][ C0] bpf_trace_run2+0xb3/0x200
[ 511.248363][ C0] ? bpf_trace_run1+0x200/0x200
[ 511.248367][ C0] __bpf_trace_sys_enter+0x62/0x70
[ 511.248370][ C0] trace_sys_enter+0x40/0x50
[ 511.248374][ C0] syscall_trace_enter+0x108/0x170
[ 511.248377][ C0] syscall_enter_from_user_mode+0x20/0x30
[ 511.248380][ C0] do_syscall_64+0x13/0x40
[ 511.248384][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 511.248386][ C0] RIP: 0033:0x7f7f81adff79
[ 511.248396][ 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
[ 511.248399][ C0] RSP: 002b:00007fff074b30c0 EFLAGS: 00000246 ORIG_RAX: 000000000000000f
[ 511.248407][ C0] RAX: ffffffffffffffda RBX: 00007f7f81d9afa8 RCX: 00007f7f81adff79
[ 511.248411][ C0] RDX: 00007fff074b30c0 RSI: 00007fff074b31f0 RDI: 0000000000000011
[ 511.248415][ C0] RBP: 0000000000000000 R08: 00309320a6a9cca6 R09: 00000007074b396f
[ 511.248419][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f7f81d9afac
[ 511.248423][ C0] R13: 00007f7f81d9afa0 R14: 0000000000000095 R15: 0000000000000003
[ 534.568355][ T26] INFO: task kworker/u4:0:7 blocked for more than 269 seconds.
[ 534.576044][ T26] Not tainted syzkaller #0
[ 534.748284][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 534.756997][ T26] task:kworker/u4:0 state:D stack: 0 pid: 7 ppid: 2 flags:0x10004000
[ 535.188292][ T26] Workqueue: netns cleanup_net
[ 535.193127][ T26] Call Trace:
[ 535.196425][ T26] __schedule+0xb47/0x1310
[ 535.488324][ T26] ? release_firmware_map_entry+0x190/0x190
[ 535.494304][ T26] ? kthread_data+0x50/0xc0
[ 535.738301][ T26] ? wq_worker_sleeping+0x60/0x200
[ 535.743463][ T26] schedule+0x13c/0x1d0
[ 535.747626][ T26] schedule_timeout+0xa6/0x2d0
[ 536.058336][ T26] ? console_conditional_schedule+0x10/0x10
[ 536.064368][ T26] ? __prepare_to_swait+0xa8/0x130
[ 536.358329][ T26] wait_for_common+0x284/0x430
[ 536.363169][ T26] ? __kasan_check_write+0x14/0x20
[ 536.618337][ T26] ? wait_for_completion+0x20/0x20
[ 536.623500][ T26] ? mutex_lock+0x8c/0xe0
[ 536.627846][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0
[ 536.948300][ T26] wait_for_completion+0x18/0x20
[ 536.953288][ T26] flush_workqueue+0x606/0x13a0
[ 536.958151][ T26] ? flush_work+0x20/0x20
[ 537.358320][ T26] ? rcu_work_rcufn+0x50/0x50
[ 537.363057][ T26] peer_remove_after_dead+0x98/0x1a0
[ 537.548299][ T26] wg_peer_remove_all+0x3e2/0x450
[ 537.553383][ T26] ? peer_remove_after_dead+0x1a0/0x1a0
[ 537.858312][ T26] wg_destruct+0x18e/0x300
[ 537.862783][ T26] ? wg_xmit+0xb10/0xb10
[ 537.867033][ T26] netdev_run_todo+0xaf9/0xd20
[ 538.168301][ T26] ? netdev_refcnt_read+0x1d0/0x1d0
[ 538.173556][ T26] ? unregister_netdevice_queue+0x1aa/0x360
[ 538.428318][ T26] ? list_netdevice+0x4c0/0x4c0
[ 538.433226][ T26] rtnl_unlock+0xe/0x10
[ 538.437398][ T26] default_device_exit_batch+0x335/0x390
[ 538.808327][ T26] ? default_device_exit+0x390/0x390
[ 538.813665][ T26] ? wait_woken+0x180/0x180
[ 538.818188][ T26] ? rtnl_unlock+0xe/0x10
[ 539.168328][ T26] ? default_device_exit+0x390/0x390
[ 539.173665][ T26] cleanup_net+0x5fb/0xb70
[ 539.178089][ T26] ? __kasan_check_write+0x14/0x20
[ 539.528297][ T26] ? ops_init+0x4a0/0x4a0
[ 539.532689][ T26] ? read_word_at_a_time+0x12/0x20
[ 539.537810][ T26] ? strscpy+0x9b/0x290
[ 539.878338][ T26] process_one_work+0x6e1/0xba0
[ 539.883258][ T26] worker_thread+0xa6a/0x13b0
[ 539.887967][ T26] kthread+0x346/0x3d0
[ 540.218296][ T26] ? worker_clr_flags+0x190/0x190
[ 540.223391][ T26] ? kthread_blkcg+0xd0/0xd0
[ 540.228028][ T26] ret_from_fork+0x1f/0x30
[ 540.558364][ T26] NMI backtrace for cpu 1
[ 540.562766][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted syzkaller #0
[ 540.569989][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 540.580051][ T26] Call Trace:
[ 540.583351][ T26] __dump_stack+0x21/0x24
[ 540.587687][ T26] dump_stack_lvl+0x169/0x1d8
[ 540.592381][ T26] ? show_regs_print_info+0x18/0x18
[ 540.597593][ T26] ? sched_show_task+0x324/0x4a0
[ 540.602711][ T26] ? __rcu_read_unlock+0xa0/0xa0
[ 540.607659][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 540.613731][ T26] dump_stack+0x15/0x1c
[ 540.617895][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0
[ 540.623888][ T26] arch_trigger_cpumask_backtrace+0x10/0x20
[ 540.629785][ T26] watchdog+0xe2e/0xf70
[ 540.633962][ T26] ? hungtask_pm_notify+0x50/0x50
[ 540.638996][ T26] ? __kasan_check_read+0x11/0x20
[ 540.644022][ T26] ? __kthread_parkme+0xb9/0x1c0
[ 540.648979][ T26] kthread+0x346/0x3d0
[ 540.653122][ T26] ? hungtask_pm_notify+0x50/0x50
[ 540.658247][ T26] ? kthread_blkcg+0xd0/0xd0
[ 540.662844][ T26] ret_from_fork+0x1f/0x30
[ 540.667431][ T26] Sending NMI from CPU 1 to CPUs 0:
[ 540.673045][ C0] NMI backtrace for cpu 0
[ 540.673051][ C0] CPU: 0 PID: 384 Comm: syz.2.17 Not tainted syzkaller #0
[ 540.673057][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 540.673061][ C0] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x90
[ 540.673072][ C0] Code: 44 01 08 03 00 00 00 4a 89 7c 01 10 4a 89 74 01 18 4a 89 44 01 20 48 ff c2 48 89 11 5d c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 <55> 48 89 e5 48 8b 45 08 65 48 8b 15 b0 c3 9e 7e 65 8b 0d b5 c3 9e
[ 540.673076][ C0] RSP: 0018:ffffc90000e77b80 EFLAGS: 00000086
[ 540.673085][ C0] RAX: 0000000000000011 RBX: ffffc90000e77e20 RCX: ffffc90000e77ac8
[ 540.673090][ C0] RDX: ffff8881124599a0 RSI: 0000000000000011 RDI: 000000000000000e
[ 540.673095][ C0] RBP: ffffc90000e77bd8 R08: 000000000000000f R09: ffffffff848000c5
[ 540.673100][ C0] R10: 0000000000000003 R11: 00000000efadc434 R12: 1ffff11021ef0d53
[ 540.673105][ C0] R13: ffff88810f786a98 R14: ffff88810f7862c0 R15: 0000000000000011
[ 540.673110][ C0] FS: 0000555581599500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 540.673114][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 540.673119][ C0] CR2: 0000000000000000 CR3: 0000000129a2b000 CR4: 00000000003506b0
[ 540.673124][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 540.673129][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 540.673132][ C0] Call Trace:
[ 540.673136][ C0] ? dequeue_signal+0xb2/0x440
[ 540.673139][ C0] get_signal+0x772/0x12e0
[ 540.673142][ C0] arch_do_signal_or_restart+0xbf/0x10f0
[ 540.673146][ C0] ? __ia32_sys_rt_sigreturn+0x5e7/0x6c0
[ 540.673149][ C0] ? bpf_do_trace_printk+0x240/0x240
[ 540.673152][ C0] ? KSTK_ESP+0x60/0x60
[ 540.673156][ C0] ? __ia32_sys_rt_sigreturn+0x6c0/0x6c0
[ 540.673159][ C0] ? __bpf_trace_sys_enter+0x62/0x70
[ 540.673163][ C0] exit_to_user_mode_loop+0xa2/0xe0
[ 540.673166][ C0] exit_to_user_mode_prepare+0x76/0xa0
[ 540.673170][ C0] syscall_exit_to_user_mode+0x1d/0x40
[ 540.673173][ C0] do_syscall_64+0x3d/0x40
[ 540.673177][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 540.673180][ C0] RIP: 0033:0x7f7f81b43ec9
[ 540.673190][ 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
[ 540.673194][ C0] RSP: 002b:00007fff074b3678 EFLAGS: 00000246
[ 540.673201][ C0] RAX: 0000000000000000 RBX: 00007f7f81d9afa8 RCX: 00007f7f81b43ec9
[ 540.673206][ C0] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f7f81d9afac
[ 540.673211][ C0] RBP: 0000000000000000 R08: 00309320a6a9cca6 R09: 00000007074b396f
[ 540.673215][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f7f81d9afac
[ 540.673220][ C0] R13: 00007f7f81d9afa0 R14: 0000000000000095 R15: 0000000000000003
[ 563.998307][ T26] INFO: task kworker/u4:0:7 blocked for more than 299 seconds.
[ 564.005893][ T26] Not tainted syzkaller #0
[ 564.178287][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 564.187007][ T26] task:kworker/u4:0 state:D stack: 0 pid: 7 ppid: 2 flags:0x10004000
[ 564.638280][ T26] Workqueue: netns cleanup_net
[ 564.643090][ T26] Call Trace:
[ 564.646395][ T26] __schedule+0xb47/0x1310
[ 564.948326][ T26] ? release_firmware_map_entry+0x190/0x190
[ 564.954368][ T26] ? kthread_data+0x50/0xc0
[ 565.258291][ T26] ? wq_worker_sleeping+0x60/0x200
[ 565.263577][ T26] schedule+0x13c/0x1d0
[ 565.267743][ T26] schedule_timeout+0xa6/0x2d0
[ 565.598288][ T26] ? console_conditional_schedule+0x10/0x10
[ 565.604241][ T26] ? __prepare_to_swait+0xa8/0x130
[ 565.898312][ T26] wait_for_common+0x284/0x430
[ 565.903292][ T26] ? __kasan_check_write+0x14/0x20
[ 566.178307][ T26] ? wait_for_completion+0x20/0x20
[ 566.183474][ T26] ? mutex_lock+0x8c/0xe0
[ 566.187818][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0
[ 566.548327][ T26] wait_for_completion+0x18/0x20
[ 566.553317][ T26] flush_workqueue+0x606/0x13a0
[ 566.558181][ T26] ? flush_work+0x20/0x20
[ 566.938314][ T26] ? rcu_work_rcufn+0x50/0x50
[ 566.943054][ T26] peer_remove_after_dead+0x98/0x1a0
[ 567.188307][ T26] wg_peer_remove_all+0x3e2/0x450
[ 567.193405][ T26] ? peer_remove_after_dead+0x1a0/0x1a0