rocess permissive=1
[ 15.268549][ T28] audit: type=1400 audit(1778437219.235:63): avc: denied { siginh } for pid=225 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.0.22' (ED25519) to the list of known hosts.
2026/05/10 18:24:44 parsed 1 programs
[ 280.163101][ T28] audit: type=1400 audit(1778437484.135:64): avc: denied { node_bind } for pid=295 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1
[ 280.184022][ T28] audit: type=1400 audit(1778437484.145:65): avc: denied { module_request } for pid=295 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
[ 281.310618][ T28] audit: type=1400 audit(1778437485.285:66): avc: denied { mounton } for pid=302 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1
[ 281.314508][ T302] cgroup: Unknown subsys name 'net'
[ 281.333465][ T28] audit: type=1400 audit(1778437485.285:67): avc: denied { mount } for pid=302 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
[ 281.360750][ T28] audit: type=1400 audit(1778437485.325:68): avc: denied { unmount } for pid=302 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 281.361369][ T302] cgroup: Unknown subsys name 'devices'
[ 281.507491][ T302] cgroup: Unknown subsys name 'hugetlb'
[ 281.513133][ T302] cgroup: Unknown subsys name 'rlimit'
[ 281.660735][ T28] audit: type=1400 audit(1778437485.635:69): avc: denied { setattr } for pid=302 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=258 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 281.684082][ T28] audit: type=1400 audit(1778437485.635:70): avc: denied { create } for pid=302 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 281.704648][ T28] audit: type=1400 audit(1778437485.635:71): avc: denied { write } for pid=302 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 281.725121][ T28] audit: type=1400 audit(1778437485.635:72): avc: denied { read } for pid=302 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
[ 281.745558][ T28] audit: type=1400 audit(1778437485.645:73): avc: denied { mounton } for pid=302 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1
[ 281.759696][ T305] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped).
[ 281.806394][ T302] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 282.508565][ T308] request_module fs-gadgetfs succeeded, but still no fs?
[ 282.670166][ T316] bridge0: port 1(bridge_slave_0) entered blocking state
[ 282.677290][ T316] bridge0: port 1(bridge_slave_0) entered disabled state
[ 282.684726][ T316] device bridge_slave_0 entered promiscuous mode
[ 282.691901][ T316] bridge0: port 2(bridge_slave_1) entered blocking state
[ 282.698997][ T316] bridge0: port 2(bridge_slave_1) entered disabled state
[ 282.706541][ T316] device bridge_slave_1 entered promiscuous mode
[ 282.756263][ T316] bridge0: port 2(bridge_slave_1) entered blocking state
[ 282.763316][ T316] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 282.770665][ T316] bridge0: port 1(bridge_slave_0) entered blocking state
[ 282.777729][ T316] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 282.798965][ T10] bridge0: port 1(bridge_slave_0) entered disabled state
[ 282.806400][ T10] bridge0: port 2(bridge_slave_1) entered disabled state
[ 282.813697][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 282.821179][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 282.830515][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 282.838912][ T10] bridge0: port 1(bridge_slave_0) entered blocking state
[ 282.845999][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 282.856405][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 282.864651][ T10] bridge0: port 2(bridge_slave_1) entered blocking state
[ 282.871718][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 282.884478][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 282.894005][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 282.909602][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 282.921770][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 282.930085][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 282.937757][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 282.946088][ T316] device veth0_vlan entered promiscuous mode
[ 282.958125][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 282.967344][ T316] device veth1_macvtap entered promiscuous mode
[ 282.978056][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 282.988325][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 283.035568][ T316] syz-executor (316) used greatest stack depth: 21280 bytes left
[ 283.729522][ T43] device bridge_slave_1 left promiscuous mode
[ 283.747231][ T43] bridge0: port 2(bridge_slave_1) entered disabled state
[ 283.758234][ T43] device bridge_slave_0 left promiscuous mode
[ 283.764419][ T43] bridge0: port 1(bridge_slave_0) entered disabled state
[ 283.773229][ T43] device veth1_macvtap left promiscuous mode
[ 283.779393][ T43] device veth0_vlan left promiscuous mode
2026/05/10 18:24:47 executed programs: 0
[ 283.993308][ T370] bridge0: port 1(bridge_slave_0) entered blocking state
[ 284.000596][ T370] bridge0: port 1(bridge_slave_0) entered disabled state
[ 284.008367][ T370] device bridge_slave_0 entered promiscuous mode
[ 284.015639][ T370] bridge0: port 2(bridge_slave_1) entered blocking state
[ 284.022708][ T370] bridge0: port 2(bridge_slave_1) entered disabled state
[ 284.030242][ T370] device bridge_slave_1 entered promiscuous mode
[ 284.082166][ T370] bridge0: port 2(bridge_slave_1) entered blocking state
[ 284.089250][ T370] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 284.096597][ T370] bridge0: port 1(bridge_slave_0) entered blocking state
[ 284.103653][ T370] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 284.125932][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 284.133733][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 284.141612][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 284.150805][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 284.159230][ T8] bridge0: port 1(bridge_slave_0) entered blocking state
[ 284.166318][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 284.186474][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 284.194800][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 284.203236][ T8] bridge0: port 2(bridge_slave_1) entered blocking state
[ 284.210484][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 284.217881][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 284.225974][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 284.237467][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 284.246094][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 284.253586][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 284.262515][ T370] device veth0_vlan entered promiscuous mode
[ 284.272926][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 284.282115][ T370] device veth1_macvtap entered promiscuous mode
[ 284.291976][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 284.302027][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 284.884953][ C1] hrtimer: interrupt took 51932 ns
[ 384.664903][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 384.671919][ C0] (detected by 0, t=10002 jiffies, g=1629, q=433 ncpus=2)
[ 384.679158][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294975670-4294965668), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 384.692544][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g1629 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 384.703678][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 384.713718][ C0] rcu: RCU grace-period kthread stack dump:
[ 384.719617][ C0] task:rcu_preempt state:R running task stack:28496 pid:14 ppid:2 flags:0x00004000
[ 384.730438][ C0] Call Trace:
[ 384.733743][ C0]
[ 384.736717][ C0] __schedule+0xba6/0x1500
[ 384.741177][ C0] ? release_firmware_map_entry+0x190/0x190
[ 384.747103][ C0] schedule+0xbd/0x170
[ 384.751199][ C0] schedule_timeout+0x159/0x340
[ 384.756086][ C0] ? __cfi_schedule_timeout+0x10/0x10
[ 384.761522][ C0] ? __cfi_process_timeout+0x10/0x10
[ 384.766844][ C0] ? prepare_to_swait_event+0x308/0x320
[ 384.772420][ C0] rcu_gp_fqs_loop+0x2e9/0x10c0
[ 384.777299][ C0] ? _raw_spin_unlock_irq+0x4d/0x70
[ 384.782526][ C0] ? rcu_gp_init+0xf30/0xf30
[ 384.787142][ C0] rcu_gp_kthread+0x99/0x390
[ 384.791752][ C0] ? __cfi_rcu_gp_kthread+0x10/0x10
[ 384.796972][ C0] ? set_cpus_allowed_ptr+0x88/0xd0
[ 384.802194][ C0] ? __kasan_check_read+0x11/0x20
[ 384.807254][ C0] ? __kthread_parkme+0x142/0x180
[ 384.812297][ C0] kthread+0x281/0x320
[ 384.816389][ C0] ? __cfi_rcu_gp_kthread+0x10/0x10
[ 384.821616][ C0] ? __cfi_kthread+0x10/0x10
[ 384.826232][ C0] ret_from_fork+0x1f/0x30
[ 384.830685][ C0]
[ 384.833721][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 384.840061][ C0] Sending NMI from CPU 0 to CPUs 1:
[ 384.845314][ C1] NMI backtrace for cpu 1
[ 384.845327][ C1] CPU: 1 PID: 388 Comm: syz.2.31 Not tainted syzkaller #0
[ 384.845343][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 384.845352][ C1] RIP: 0010:perf_prepare_sample+0x279/0x1d40
[ 384.845378][ C1] Code: 89 fb 81 e3 00 00 20 00 31 ff 48 89 de e8 ef 46 da ff 41 81 e7 00 00 40 00 31 ff 4c 89 fe e8 de 46 da ff 4d 8d a6 20 02 00 00 <4c> 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74
[ 384.845392][ C1] RSP: 0018:ffffc900001af780 EFLAGS: 00000006
[ 384.845407][ C1] RAX: ffffffff81973432 RBX: 0000000000000000 RCX: ffff88811717d100
[ 384.845419][ C1] RDX: 0000000000010100 RSI: 0000000000000000 RDI: 0000000000000000
[ 384.845429][ C1] RBP: ffffc900001af870 R08: ffffc900001af8d7 R09: ffffc900001af8a0
[ 384.845442][ C1] R10: 0000000000000000 R11: ffffffff810a7780 R12: ffff8881222d67a0
[ 384.845453][ C1] R13: 000000000000a020 R14: ffff8881222d6580 R15: 0000000000000000
[ 384.845464][ C1] FS: 0000555584966500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 384.845479][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 384.845490][ C1] CR2: 00000000000457c5 CR3: 000000012c5f6000 CR4: 00000000003506a0
[ 384.845505][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 384.845514][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 384.845525][ C1] Call Trace:
[ 384.845529][ C1]
[ 384.845536][ C1] ? __cfi_perf_output_begin_forward+0x10/0x10
[ 384.845561][ C1] ? __cfi_perf_prepare_sample+0x10/0x10
[ 384.845583][ C1] perf_event_output_forward+0xd1/0x1a0
[ 384.845604][ C1] ? __cfi_perf_event_output_forward+0x10/0x10
[ 384.845626][ C1] ? __this_cpu_preempt_check+0x13/0x20
[ 384.845643][ C1] ? __this_cpu_preempt_check+0x13/0x20
[ 384.845658][ C1] ? __perf_event_account_interrupt+0x1a4/0x2c0
[ 384.845682][ C1] __perf_event_overflow+0x437/0x620
[ 384.845706][ C1] perf_swevent_event+0x243/0x440
[ 384.845728][ C1] ? perf_tp_event+0xa20/0xa20
[ 384.845752][ C1] perf_tp_event+0x75b/0xa20
[ 384.845775][ C1] ? __cfi_perf_tp_event+0x10/0x10
[ 384.845804][ C1] ? ktime_get+0x141/0x170
[ 384.845819][ C1] ? lapic_next_event+0x70/0x80
[ 384.845842][ C1] perf_trace_run_bpf_submit+0xf3/0x1c0
[ 384.845866][ C1] perf_trace_x86_irq_vector+0x233/0x2c0
[ 384.845892][ C1] ? __cfi_perf_trace_x86_irq_vector+0x10/0x10
[ 384.845918][ C1] __sysvec_apic_timer_interrupt+0x421/0x440
[ 384.845942][ C1] sysvec_apic_timer_interrupt+0x53/0xc0
[ 384.845966][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 384.845990][ C1] RIP: 0010:kfence_guarded_free+0x2a4/0x7b0
[ 384.846016][ C1] Code: 07 e8 40 4c ba ff eb 78 4d 89 fc 4c 89 e0 48 c1 e8 03 42 0f b6 04 28 84 c0 75 42 41 0f b6 04 24 45 89 e5 41 83 e5 07 41 31 c5 aa 00 00 00 44 89 ee e8 2f 50 ba ff 41 81 fd aa 00 00 00 0f 85
[ 384.846028][ C1] RSP: 0018:ffffc900001affa8 EFLAGS: 00000206
[ 384.846041][ C1] RAX: 00000000000000aa RBX: ffffffff87bbb4f8 RCX: ffff88811717d100
[ 384.846053][ C1] RDX: 0000000000000100 RSI: 00000000000000aa RDI: 00000000000000aa
[ 384.846063][ C1] RBP: ffffc900001b0008 R08: ffffffff87bcc503 R09: 1ffffffff0f798a0
[ 384.846075][ C1] R10: dffffc0000000000 R11: fffffbfff0f798a1 R12: ffff8881f7176e50
[ 384.846087][ C1] R13: 00000000000000aa R14: ffff8881f7176f00 R15: ffff8881f7176000
[ 384.846102][ C1] ? kfence_guarded_free+0x2cb/0x7b0
[ 384.846122][ C1] __kfence_free+0x115/0x180
[ 384.846141][ C1] __slab_free+0x45/0x280
[ 384.846166][ C1] ? kfree_skbmem+0x10c/0x180
[ 384.846181][ C1] kmem_cache_free+0x23a/0x300
[ 384.846204][ C1] kfree_skbmem+0x10c/0x180
[ 384.846219][ C1] ? vti6_tnl_xmit+0xfee/0x18f0
[ 384.846236][ C1] kfree_skb_reason+0xdc/0x230
[ 384.846253][ C1] vti6_tnl_xmit+0xfee/0x18f0
[ 384.846270][ C1] ? __cfi_skb_network_protocol+0x10/0x10
[ 384.846296][ C1] ? __cfi_vti6_tnl_xmit+0x10/0x10
[ 384.846317][ C1] dev_hard_start_xmit+0x20b/0x750
[ 384.846342][ C1] __dev_queue_xmit+0x195d/0x3470
[ 384.846368][ C1] ? __dev_queue_xmit+0x258/0x3470
[ 384.846391][ C1] ? __kasan_check_write+0x14/0x20
[ 384.846407][ C1] ? __cfi___dev_queue_xmit+0x10/0x10
[ 384.846432][ C1] ? perf_trace_run_bpf_submit+0xf3/0x1c0
[ 384.846456][ C1] ? kvm_sched_clock_read+0x18/0x40
[ 384.846480][ C1] ? sched_clock+0x9/0x10
[ 384.846501][ C1] ? sched_clock_cpu+0x6e/0x260
[ 384.846521][ C1] neigh_connected_output+0x469/0x500
[ 384.846546][ C1] ip6_finish_output2+0x1606/0x18a0
[ 384.846574][ C1] ? ip6t_do_table+0x1d5/0x14f0
[ 384.846599][ C1] ? __cfi_ip6_finish_output2+0x10/0x10
[ 384.846625][ C1] ? ip6table_mangle_hook+0x253/0x790
[ 384.846657][ C1] ip6_finish_output+0x5f9/0xbb0
[ 384.846676][ C1] ip6_output+0x1fa/0x410
[ 384.846694][ C1] ? __cfi_ip6_output+0x10/0x10
[ 384.846712][ C1] ? __cfi_ip6_finish_output+0x10/0x10
[ 384.846729][ C1] ? __cfi_ip6t_do_table+0x10/0x10
[ 384.846753][ C1] ndisc_send_skb+0x7dc/0xcc0
[ 384.846779][ C1] ? __cfi_ndisc_send_skb+0x10/0x10
[ 384.846803][ C1] ? __cfi_dst_output+0x10/0x10
[ 384.846840][ C1] ? memset+0x35/0x40
[ 384.846855][ C1] ? __ndisc_fill_addr_option+0xd7/0x130
[ 384.846880][ C1] ndisc_send_rs+0x670/0x870
[ 384.846905][ C1] addrconf_rs_timer+0x2cf/0x610
[ 384.846923][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10
[ 384.846942][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10
[ 384.846959][ C1] call_timer_fn+0x46/0x2a0
[ 384.846980][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10
[ 384.847003][ C1] __run_timers+0x65b/0x9f0
[ 384.847027][ C1] ? calc_index+0x200/0x200
[ 384.847049][ C1] ? kvm_sched_clock_read+0x18/0x40
[ 384.847075][ C1] run_timer_softirq+0x6a/0xf0
[ 384.847096][ C1] handle_softirqs+0x1d7/0x600
[ 384.847114][ C1] ? irqtime_account_irq+0xc4/0x240
[ 384.847138][ C1] __irq_exit_rcu+0x52/0xf0
[ 384.847155][ C1] irq_exit_rcu+0x9/0x10
[ 384.847171][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0
[ 384.847195][ C1]
[ 384.847199][ C1]
[ 384.847204][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 384.847228][ C1] RIP: 0010:preempt_schedule_irq+0xa5/0x120
[ 384.847250][ C1] Code: 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 b1 00 4c fc fb bf 01 00 00 00 f6 e4 ff ff fa bf 01 00 00 00 e8 5b 02 4c fc 65 48 8b 1d 23 cb
[ 384.847262][ C1] RSP: 0018:ffffc90000987720 EFLAGS: 00000246
[ 384.847275][ C1] RAX: 1ffff11022e2fb79 RBX: ffffc900009877e8 RCX: ffffffff87b7b100
[ 384.847287][ C1] RDX: 1ffffffff0f6e608 RSI: 0000000000000000 RDI: 0000000000000001
[ 384.847298][ C1] RBP: ffffc90000987798 R08: ffffffff87b73048 R09: ffffffff87b73058
[ 384.847311][ C1] R10: ffffffff87b73043 R11: 1ffffffff0f6e608 R12: 0000000000000000
[ 384.847322][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000130ee4
[ 384.847337][ C1] ? __cfi_preempt_schedule_irq+0x10/0x10
[ 384.847359][ C1] raw_irqentry_exit_cond_resched+0x29/0x30
[ 384.847378][ C1] irqentry_exit+0x37/0x40
[ 384.847402][ C1] sysvec_apic_timer_interrupt+0x64/0xc0
[ 384.847425][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 384.847449][ C1] RIP: 0010:unwind_next_frame+0x5b9/0x700
[ 384.847468][ C1] Code: ba 00 00 00 00 00 fc ff df 48 8b 45 90 0f b6 04 10 84 c0 0f 85 b8 00 00 00 c7 03 00 00 00 00 31 c0 48 83 c4 48 5b 41 5c 41 5d <41> 5e 41 5f 5d c3 c6 05 7b ed 59 06 01 48 b8 00 00 00 00 00 fc ff
[ 384.847481][ C1] RSP: 0018:ffffc90000987890 EFLAGS: 00000286
[ 384.847493][ C1] RAX: 0000000000987901 RBX: ffffc90000987960 RCX: 0000000000987901
[ 384.847505][ C1] RDX: ffffc900009879b0 RSI: 1ffff92000130f26 RDI: ffffc90000987980
[ 384.847517][ C1] RBP: ffffc900009878a0 R08: ffffc90000987901 R09: ffffc90000987928
[ 384.847529][ C1] R10: dffffc0000000000 R11: fffff52000130f31 R12: ffffc90000987938
[ 384.847541][ C1] R13: ffffc90000987930 R14: ffffc90000987980 R15: ffffc90000987918
[ 384.847557][ C1] __unwind_start+0x31f/0x3a0
[ 384.847577][ C1] ? __cfi_stack_trace_consume_entry+0x10/0x10
[ 384.847600][ C1] arch_stack_walk+0xe4/0x150
[ 384.847626][ C1] ? stack_trace_save+0xa6/0xf0
[ 384.847647][ C1] stack_trace_save+0xa6/0xf0
[ 384.847668][ C1] ? __cfi_stack_trace_save+0x10/0x10
[ 384.847691][ C1] kasan_save_stack+0x3a/0x60
[ 384.847720][ C1] ? __kasan_record_aux_stack+0x96/0xc0
[ 384.847735][ C1] __kasan_record_aux_stack+0xb6/0xc0
[ 384.847750][ C1] kasan_record_aux_stack+0xe/0x10
[ 384.847775][ C1] task_work_add+0x7f/0x330
[ 384.847794][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 384.847818][ C1] ? __cfi_task_work_add+0x10/0x10
[ 384.847838][ C1] ? delayed_fput+0x41/0x80
[ 384.847860][ C1] fput+0xe1/0x1a0
[ 384.847879][ C1] filp_close+0x111/0x160
[ 384.847907][ C1] __close_range+0x3a3/0x500
[ 384.847924][ C1] ? __cfi___close_range+0x10/0x10
[ 384.847939][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 384.847969][ C1] __x64_sys_close_range+0x7a/0x90
[ 384.848000][ C1] x64_sys_call+0x43b/0x9a0
[ 384.848019][ C1] do_syscall_64+0x4c/0xa0
[ 384.848036][ C1] ? clear_bhb_loop+0x30/0x80
[ 384.848059][ C1] ? clear_bhb_loop+0x30/0x80
[ 384.848082][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 384.848103][ C1] RIP: 0033:0x7efddb79cdd9
[ 384.848121][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[ 384.848134][ C1] RSP: 002b:00007fff61586548 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
[ 384.848150][ C1] RAX: ffffffffffffffda RBX: 00007fff61586630 RCX: 00007efddb79cdd9
[ 384.848162][ C1] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
[ 384.848171][ C1] RBP: 00000000000457c5 R08: 0000000000000001 R09: 0000000000000000
[ 384.848181][ C1] R10: 0000001b33120000 R11: 0000000000000246 R12: 0000000000000000
[ 384.848191][ C1] R13: 00007efddba15fac R14: 00007efddba15fa8 R15: 00007efddba15fa0
[ 384.848206][ C1]
[ 424.444934][ T29] INFO: task kworker/u4:2:43 blocked for more than 122 seconds.
[ 424.452647][ T29] Not tainted syzkaller #0
[ 424.457860][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 424.466723][ T29] task:kworker/u4:2 state:D stack:23136 pid:43 ppid:2 flags:0x00004000
[ 424.476257][ T29] Workqueue: netns cleanup_net
[ 424.481379][ T29] Call Trace:
[ 424.484685][ T29]
[ 424.487913][ T29] __schedule+0xba6/0x1500
[ 424.492377][ T29] ? release_firmware_map_entry+0x190/0x190
[ 424.498467][ T29] ? kthread_data+0x50/0xc0
[ 424.503003][ T29] ? wq_worker_sleeping+0x64/0x280
[ 424.508314][ T29] schedule+0xbd/0x170
[ 424.512414][ T29] schedule_timeout+0xba/0x340
[ 424.517371][ T29] ? __cfi_schedule_timeout+0x10/0x10
[ 424.522771][ T29] ? rcu_barrier_handler+0x95/0xe0
[ 424.528071][ T29] ? generic_exec_single+0x24e/0x3b0
[ 424.533391][ T29] wait_for_common+0x365/0x640
[ 424.538352][ T29] ? wait_for_completion+0x20/0x20
[ 424.543580][ T29] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 424.549237][ T29] ? _find_next_bit+0x129/0x130
[ 424.554118][ T29] wait_for_completion+0x18/0x20
[ 424.559354][ T29] rcu_barrier+0x485/0x600
[ 424.563811][ T29] netdev_run_todo+0x114/0xc30
[ 424.568808][ T29] ? __cfi_unregister_netdevice_many+0x10/0x10
[ 424.575114][ T29] ? __cfi_netdev_run_todo+0x10/0x10
[ 424.580435][ T29] ? unregister_netdevice_queue+0x1aa/0x370
[ 424.586524][ T29] ? __cfi_unregister_netdevice_queue+0x10/0x10
[ 424.592802][ T29] ? mutex_lock+0x93/0x1b0
[ 424.597444][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 424.602332][ T29] ? __cfi_unregister_netdevice_queue+0x10/0x10
[ 424.608768][ T29] rtnl_unlock+0xe/0x10
[ 424.612952][ T29] ip_tunnel_delete_nets+0x353/0x3a0
[ 424.618451][ T29] ? __cfi_ip_tunnel_delete_nets+0x10/0x10
[ 424.624397][ T29] ? __cfi_xfrmi_exit_batch_net+0x10/0x10
[ 424.630350][ T29] erspan_exit_batch_net+0x22/0x30
[ 424.635611][ T29] ? __cfi_erspan_exit_batch_net+0x10/0x10
[ 424.641446][ T29] cleanup_net+0x635/0xb10
[ 424.646069][ T29] ? __cfi_cleanup_net+0x10/0x10
[ 424.651057][ T29] process_one_work+0x71f/0xc40
[ 424.656221][ T29] worker_thread+0xa29/0x11e0
[ 424.660970][ T29] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 424.666752][ T29] kthread+0x281/0x320
[ 424.670853][ T29] ? __cfi_worker_thread+0x10/0x10
[ 424.676403][ T29] ? __cfi_kthread+0x10/0x10
[ 424.681123][ T29] ret_from_fork+0x1f/0x30
[ 424.685822][ T29]
[ 424.688898][ T29] INFO: task syz-executor:389 blocked for more than 123 seconds.
[ 424.696901][ T29] Not tainted syzkaller #0
[ 424.701861][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 424.710739][ T29] task:syz-executor state:D stack:25248 pid:389 ppid:302 flags:0x00004004
[ 424.720130][ T29] Call Trace:
[ 424.723430][ T29]
[ 424.726565][ T29] __schedule+0xba6/0x1500
[ 424.731028][ T29] ? release_firmware_map_entry+0x190/0x190
[ 424.737111][ T29] ? __kasan_check_read+0x11/0x20
[ 424.742172][ T29] ? folio_mark_accessed+0x1c7/0x4d0
[ 424.747780][ T29] ? __cfi_folio_mark_accessed+0x10/0x10
[ 424.753471][ T29] schedule+0xbd/0x170
[ 424.757783][ T29] io_schedule+0x84/0xe0
[ 424.762071][ T29] bit_wait_io+0x13/0xd0
[ 424.766546][ T29] __wait_on_bit+0xb9/0x2d0
[ 424.771086][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 424.776264][ T29] out_of_line_wait_on_bit+0x135/0x190
[ 424.781763][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 424.786932][ T29] ? __cfi_out_of_line_wait_on_bit+0x10/0x10
[ 424.792972][ T29] ? __cfi_wake_bit_function+0x10/0x10
[ 424.798819][ T29] ? __getblk_gfp+0x3b/0x7d0
[ 424.803504][ T29] do_get_write_access+0x536/0xd70
[ 424.808902][ T29] jbd2_journal_get_write_access+0x19a/0x2e0
[ 424.815064][ T29] __ext4_journal_get_write_access+0x235/0x6c0
[ 424.821252][ T29] ? __cfi___ext4_journal_get_write_access+0x10/0x10
[ 424.828170][ T29] ? slab_post_alloc_hook+0x6d/0x2d0
[ 424.833498][ T29] ? jbd2__journal_start+0x13d/0x6e0
[ 424.839007][ T29] ext4_reserve_inode_write+0x1f2/0x2e0
[ 424.844690][ T29] __ext4_mark_inode_dirty+0xb2/0x600
[ 424.850268][ T29] ext4_dirty_inode+0xbd/0x100
[ 424.855186][ T29] ? __cfi_ext4_dirty_inode+0x10/0x10
[ 424.860605][ T29] __mark_inode_dirty+0x203/0x9d0
[ 424.865848][ T29] ? ext4_setattr+0x5bf/0x1a60
[ 424.870648][ T29] ext4_setattr+0xa65/0x1a60
[ 424.875540][ T29] ? current_time+0x196/0x2b0
[ 424.880251][ T29] ? __cfi_ext4_setattr+0x10/0x10
[ 424.885575][ T29] notify_change+0xcc3/0xf80
[ 424.890209][ T29] chmod_common+0x223/0x3c0
[ 424.894741][ T29] ? __cfi_chmod_common+0x10/0x10
[ 424.900035][ T29] ? slab_free_freelist_hook+0xc2/0x190
[ 424.905910][ T29] ? user_path_at_empty+0x161/0x1c0
[ 424.911156][ T29] do_fchmodat+0xd4/0x1a0
[ 424.915767][ T29] ? do_faccessat+0xa20/0xa20
[ 424.920587][ T29] ? fpregs_restore_userregs+0x128/0x260
[ 424.926522][ T29] __x64_sys_chmod+0x60/0x70
[ 424.931157][ T29] x64_sys_call+0x760/0x9a0
[ 424.935878][ T29] do_syscall_64+0x4c/0xa0
[ 424.940324][ T29] ? clear_bhb_loop+0x30/0x80
[ 424.945256][ T29] ? clear_bhb_loop+0x30/0x80
[ 424.949979][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 424.956081][ T29] RIP: 0033:0x7f984af9b247
[ 424.960524][ T29] RSP: 002b:00007ffc79d30068 EFLAGS: 00000206 ORIG_RAX: 000000000000005a
[ 424.969248][ T29] RAX: ffffffffffffffda RBX: 00007ffc79d300c0 RCX: 00007f984af9b247
[ 424.977377][ T29] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00007ffc79d300c0
[ 424.985615][ T29] RBP: 00007ffc79d300c0 R08: 0000000000000000 R09: 0000000000000000
[ 424.993620][ T29] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc79d300c8
[ 425.001840][ T29] R13: 0000000000000002 R14: 00007ffc79d302a8 R15: 0000000000000000
[ 425.010058][ T29]
[ 425.013107][ T29] NMI backtrace for cpu 0
[ 425.017455][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[ 425.024694][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 425.034781][ T29] Call Trace:
[ 425.038078][ T29]
[ 425.041027][ T29] __dump_stack+0x21/0x24
[ 425.045398][ T29] dump_stack_lvl+0x110/0x170
[ 425.050100][ T29] ? __cfi_dump_stack_lvl+0x8/0x8
[ 425.055149][ T29] dump_stack+0x15/0x24
[ 425.059326][ T29] nmi_cpu_backtrace+0x2af/0x2c0
[ 425.064287][ T29] ? rcu_read_unlock_special+0xb2/0x440
[ 425.069992][ T29] ? __cfi_nmi_cpu_backtrace+0x10/0x10
[ 425.075490][ T29] ? nmi_trigger_cpumask_backtrace+0xf6/0x3a0
[ 425.081602][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 425.087630][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 425.093638][ T29] nmi_trigger_cpumask_backtrace+0x16b/0x3a0
[ 425.099650][ T29] arch_trigger_cpumask_backtrace+0x10/0x20
[ 425.105572][ T29] watchdog+0xd68/0xeb0
[ 425.109759][ T29] ? __cfi_watchdog+0x10/0x10
[ 425.114462][ T29] ? __kasan_check_read+0x11/0x20
[ 425.119517][ T29] ? __kthread_parkme+0x142/0x180
[ 425.124571][ T29] kthread+0x281/0x320
[ 425.128667][ T29] ? __cfi_watchdog+0x10/0x10
[ 425.133363][ T29] ? __cfi_kthread+0x10/0x10
[ 425.137985][ T29] ret_from_fork+0x1f/0x30
[ 425.142438][ T29]
[ 425.145550][ T29] Sending NMI from CPU 0 to CPUs 1:
[ 425.150778][ C1] NMI backtrace for cpu 1
[ 425.150788][ C1] CPU: 1 PID: 388 Comm: syz.2.31 Not tainted syzkaller #0
[ 425.150805][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 425.150819][ C1] RIP: 0010:preempt_count_add+0x61/0x1b0
[ 425.150842][ C1] Code: 5d ca b5 7e 65 01 3d 56 ca b5 7e 48 c7 c0 00 b1 b7 87 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 fc 00 00 00 83 3d 6f 0d 6b 06 00 <75> 11 65 8b 05 2e ca b5 7e 0f b6 c0 3d f5 00 00 00 73 6e 65 8b 05
[ 425.150856][ C1] RSP: 0018:ffffc900001b0090 EFLAGS: 00000046
[ 425.150871][ C1] RAX: 0000000000000004 RBX: ffffc900001b00f8 RCX: ffffffff87b7b103
[ 425.150883][ C1] RDX: 0000000000000000 RSI: ffffffff8567d220 RDI: 0000000000010000
[ 425.150894][ C1] RBP: ffffc900001b00a8 R08: 0000000000000000 R09: 0000000000000000
[ 425.150905][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 425.150914][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[ 425.150925][ C1] FS: 0000555584966500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 425.150940][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 425.150952][ C1] CR2: 00000000000457c5 CR3: 000000012c5f6000 CR4: 00000000003506a0
[ 425.150967][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 425.150976][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 425.150986][ C1] Call Trace:
[ 425.150990][ C1]
[ 425.150996][ C1] irq_enter_rcu+0x11/0x90
[ 425.151014][ C1] sysvec_apic_timer_interrupt+0x4b/0xc0
[ 425.151040][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 425.151063][ C1] RIP: 0010:sit_tunnel_xmit+0x46e/0x1e40
[ 425.151085][ C1] Code: 00 00 e8 75 97 7d ff e9 4d 13 00 00 e8 0b 6d 02 fd 4c 8b 74 24 10 49 8d 9c 24 c8 00 00 00 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 f8 07 48 fd 48 8b 1b 48 89 de 48 83 e6 08 31 ff
[ 425.151097][ C1] RSP: 0018:ffffc900001b01a0 EFLAGS: 00000246
[ 425.151110][ C1] RAX: 1ffff11022960019 RBX: ffff888114b000c8 RCX: ffff88811717d100
[ 425.151122][ C1] RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000001
[ 425.151132][ C1] RBP: ffffc900001b0328 R08: ffffc900001b029f R09: ffffc900001b0260
[ 425.151144][ C1] R10: dffffc0000000000 R11: fffff52000036054 R12: ffff888114b00000
[ 425.151156][ C1] R13: dffffc0000000000 R14: 1ffff92000036048 R15: ffff888117261880
[ 425.151174][ C1] ? irqtime_account_irq+0xc4/0x240
[ 425.151199][ C1] ? __cfi_sit_tunnel_xmit+0x10/0x10
[ 425.151220][ C1] ? __cfi_sit_tunnel_xmit+0x10/0x10
[ 425.151241][ C1] dev_hard_start_xmit+0x20b/0x750
[ 425.151268][ C1] __dev_queue_xmit+0x195d/0x3470
[ 425.151293][ C1] ? __dev_queue_xmit+0x258/0x3470
[ 425.151317][ C1] ? __cfi___dev_queue_xmit+0x10/0x10
[ 425.151346][ C1] neigh_connected_output+0x469/0x500
[ 425.151372][ C1] ip6_finish_output2+0x1606/0x18a0
[ 425.151396][ C1] ? __cfi_ip6_finish_output2+0x10/0x10
[ 425.151417][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 425.151441][ C1] ? __cfi_ip6_mtu+0x10/0x10
[ 425.151458][ C1] ? ip6_finish_output+0x5ea/0xbb0
[ 425.151477][ C1] ip6_finish_output+0x5f9/0xbb0
[ 425.151496][ C1] ip6_output+0x1fa/0x410
[ 425.151514][ C1] ? __cfi_ip6_output+0x10/0x10
[ 425.151532][ C1] ? __cfi_ip6_finish_output+0x10/0x10
[ 425.151550][ C1] ? ndisc_send_skb+0xc9c/0xcc0
[ 425.151576][ C1] ndisc_send_skb+0x7dc/0xcc0
[ 425.151602][ C1] ? __cfi_ndisc_send_skb+0x10/0x10
[ 425.151626][ C1] ? __cfi_dst_output+0x10/0x10
[ 425.151652][ C1] ? memset+0x35/0x40
[ 425.151667][ C1] ? __ndisc_fill_addr_option+0xd7/0x130
[ 425.151692][ C1] ndisc_send_rs+0x670/0x870
[ 425.151717][ C1] addrconf_rs_timer+0x2cf/0x610
[ 425.151734][ C1] ? __irq_exit_rcu+0x5e/0xf0
[ 425.151752][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10
[ 425.151771][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10
[ 425.151788][ C1] call_timer_fn+0x46/0x2a0
[ 425.151810][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10
[ 425.151833][ C1] __run_timers+0x65b/0x9f0
[ 425.151858][ C1] ? calc_index+0x200/0x200
[ 425.151880][ C1] ? kvm_sched_clock_read+0x18/0x40
[ 425.151906][ C1] run_timer_softirq+0x6a/0xf0
[ 425.151927][ C1] handle_softirqs+0x1d7/0x600
[ 425.151950][ C1] ? irqtime_account_irq+0xc4/0x240
[ 425.151974][ C1] __irq_exit_rcu+0x52/0xf0
[ 425.151990][ C1] irq_exit_rcu+0x9/0x10
[ 425.152007][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0
[ 425.152030][ C1]
[ 425.152035][ C1]
[ 425.152040][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 425.152063][ C1] RIP: 0010:preempt_schedule_irq+0xa5/0x120
[ 425.152084][ C1] Code: 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 b1 00 4c fc fb bf 01 00 00 00 f6 e4 ff ff fa bf 01 00 00 00 e8 5b 02 4c fc 65 48 8b 1d 23 cb
[ 425.152096][ C1] RSP: 0018:ffffc90000987720 EFLAGS: 00000246
[ 425.152109][ C1] RAX: 1ffff11022e2fb79 RBX: ffffc900009877e8 RCX: ffffffff87b7b100
[ 425.152121][ C1] RDX: 1ffffffff0f6e608 RSI: 0000000000000000 RDI: 0000000000000001
[ 425.152131][ C1] RBP: ffffc90000987798 R08: ffffffff87b73048 R09: ffffffff87b73058
[ 425.152144][ C1] R10: ffffffff87b73043 R11: 1ffffffff0f6e608 R12: 0000000000000000
[ 425.152155][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000130ee4
[ 425.152170][ C1] ? __cfi_preempt_schedule_irq+0x10/0x10
[ 425.152191][ C1] raw_irqentry_exit_cond_resched+0x29/0x30
[ 425.152210][ C1] irqentry_exit+0x37/0x40
[ 425.152234][ C1] sysvec_apic_timer_interrupt+0x64/0xc0
[ 425.152258][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 425.152281][ C1] RIP: 0010:unwind_next_frame+0x5b9/0x700
[ 425.152300][ C1] Code: ba 00 00 00 00 00 fc ff df 48 8b 45 90 0f b6 04 10 84 c0 0f 85 b8 00 00 00 c7 03 00 00 00 00 31 c0 48 83 c4 48 5b 41 5c 41 5d <41> 5e 41 5f 5d c3 c6 05 7b ed 59 06 01 48 b8 00 00 00 00 00 fc ff
[ 425.152313][ C1] RSP: 0018:ffffc90000987890 EFLAGS: 00000286
[ 425.152325][ C1] RAX: 0000000000987901 RBX: ffffc90000987960 RCX: 0000000000987901
[ 425.152336][ C1] RDX: ffffc900009879b0 RSI: 1ffff92000130f26 RDI: ffffc90000987980
[ 425.152348][ C1] RBP: ffffc900009878a0 R08: ffffc90000987901 R09: ffffc90000987928
[ 425.152361][ C1] R10: dffffc0000000000 R11: fffff52000130f31 R12: ffffc90000987938
[ 425.152373][ C1] R13: ffffc90000987930 R14: ffffc90000987980 R15: ffffc90000987918
[ 425.152389][ C1] __unwind_start+0x31f/0x3a0
[ 425.152408][ C1] ? __cfi_stack_trace_consume_entry+0x10/0x10
[ 425.152431][ C1] arch_stack_walk+0xe4/0x150
[ 425.152457][ C1] ? stack_trace_save+0xa6/0xf0
[ 425.152478][ C1] stack_trace_save+0xa6/0xf0
[ 425.152499][ C1] ? __cfi_stack_trace_save+0x10/0x10
[ 425.152522][ C1] kasan_save_stack+0x3a/0x60
[ 425.152550][ C1] ? __kasan_record_aux_stack+0x96/0xc0
[ 425.152566][ C1] __kasan_record_aux_stack+0xb6/0xc0
[ 425.152581][ C1] kasan_record_aux_stack+0xe/0x10
[ 425.152606][ C1] task_work_add+0x7f/0x330
[ 425.152626][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 425.152650][ C1] ? __cfi_task_work_add+0x10/0x10
[ 425.152670][ C1] ? delayed_fput+0x41/0x80
[ 425.152692][ C1] fput+0xe1/0x1a0
[ 425.152711][ C1] filp_close+0x111/0x160
[ 425.152733][ C1] __close_range+0x3a3/0x500
[ 425.152751][ C1] ? __cfi___close_range+0x10/0x10
[ 425.152766][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 425.152792][ C1] __x64_sys_close_range+0x7a/0x90
[ 425.152822][ C1] x64_sys_call+0x43b/0x9a0
[ 425.152841][ C1] do_syscall_64+0x4c/0xa0
[ 425.152858][ C1] ? clear_bhb_loop+0x30/0x80
[ 425.152881][ C1] ? clear_bhb_loop+0x30/0x80
[ 425.152904][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 425.152926][ C1] RIP: 0033:0x7efddb79cdd9
[ 425.152939][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[ 425.152952][ C1] RSP: 002b:00007fff61586548 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
[ 425.152967][ C1] RAX: ffffffffffffffda RBX: 00007fff61586630 RCX: 00007efddb79cdd9
[ 425.152979][ C1] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
[ 425.152989][ C1] RBP: 00000000000457c5 R08: 0000000000000001 R09: 0000000000000000
[ 425.152998][ C1] R10: 0000001b33120000 R11: 0000000000000246 R12: 0000000000000000
[ 425.153009][ C1] R13: 00007efddba15fac R14: 00007efddba15fa8 R15: 00007efddba15fa0
[ 425.153023][ C1]
[ 445.564897][ T29] INFO: task kworker/u4:1:10 blocked for more than 123 seconds.
[ 445.572591][ T29] Not tainted syzkaller #0
[ 445.577804][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 445.586611][ T29] task:kworker/u4:1 state:D stack:24584 pid:10 ppid:2 flags:0x00004000
[ 445.596088][ T29] Workqueue: writeback wb_workfn (flush-8:0)
[ 445.602131][ T29] Call Trace:
[ 445.605631][ T29]
[ 445.608585][ T29] __schedule+0xba6/0x1500
[ 445.613030][ T29] ? release_firmware_map_entry+0x190/0x190
[ 445.619172][ T29] ? kthread_data+0x50/0xc0
[ 445.623701][ T29] ? wq_worker_sleeping+0x64/0x280
[ 445.629038][ T29] schedule+0xbd/0x170
[ 445.633155][ T29] io_schedule+0x84/0xe0
[ 445.637594][ T29] bit_wait_io+0x13/0xd0
[ 445.641867][ T29] __wait_on_bit_lock+0x257/0x600
[ 445.647077][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 445.652054][ T29] out_of_line_wait_on_bit_lock+0x135/0x190
[ 445.658149][ T29] ? __kasan_check_write+0x14/0x20
[ 445.663293][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 445.668414][ T29] ? __cfi_out_of_line_wait_on_bit_lock+0x10/0x10
[ 445.674973][ T29] ? __cfi_wake_bit_function+0x10/0x10
[ 445.680470][ T29] ? __kasan_check_write+0x14/0x20
[ 445.685806][ T29] __lock_buffer+0x59/0x70
[ 445.690250][ T29] do_get_write_access+0x1a3/0xd70
[ 445.695572][ T29] ? __cfi___find_get_block+0x10/0x10
[ 445.700982][ T29] jbd2_journal_get_write_access+0x19a/0x2e0
[ 445.707264][ T29] __ext4_journal_get_write_access+0x235/0x6c0
[ 445.713455][ T29] ? __cfi___ext4_journal_get_write_access+0x10/0x10
[ 445.720375][ T29] ? __kasan_check_read+0x11/0x20
[ 445.725606][ T29] ? ext4_wait_block_bitmap+0x6a/0x1c0
[ 445.731112][ T29] ext4_mb_mark_diskspace_used+0x1bb/0x1250
[ 445.737220][ T29] ? ext4_discard_allocated_blocks+0x5d0/0x5d0
[ 445.743433][ T29] ext4_mb_new_blocks+0x110b/0x4170
[ 445.748884][ T29] ? __kasan_kmalloc+0x95/0xb0
[ 445.753681][ T29] ? memset+0x35/0x40
[ 445.757849][ T29] ? __cfi_ext4_mb_new_blocks+0x10/0x10
[ 445.763435][ T29] ? ext4_inode_to_goal_block+0x352/0x4a0
[ 445.769346][ T29] ? ext4_ext_find_goal+0x11d/0x200
[ 445.774580][ T29] ext4_ext_map_blocks+0x173d/0x6200
[ 445.780109][ T29] ? kasan_set_track+0x60/0x70
[ 445.785018][ T29] ? kasan_set_track+0x4b/0x70
[ 445.789813][ T29] ? kasan_save_alloc_info+0x25/0x30
[ 445.795270][ T29] ? __kasan_slab_alloc+0x72/0x80
[ 445.800324][ T29] ? slab_post_alloc_hook+0x4f/0x2d0
[ 445.805811][ T29] ? kmem_cache_alloc+0x16e/0x330
[ 445.810867][ T29] ? ext4_alloc_io_end_vec+0x2a/0x160
[ 445.816471][ T29] ? ext4_writepages+0x10e9/0x30e0
[ 445.821620][ T29] ? do_writepages+0x3a4/0x5f0
[ 445.826585][ T29] ? __writeback_single_inode+0xc6/0xad0
[ 445.832255][ T29] ? writeback_sb_inodes+0xa10/0x15d0
[ 445.837829][ T29] ? __writeback_inodes_wb+0x12f/0x400
[ 445.843332][ T29] ? wb_writeback+0x41f/0x9d0
[ 445.848219][ T29] ? wb_workfn+0xa32/0xeb0
[ 445.852670][ T29] ? process_one_work+0x71f/0xc40
[ 445.858192][ T29] ? worker_thread+0xa29/0x11e0
[ 445.863081][ T29] ? kthread+0x281/0x320
[ 445.867598][ T29] ? __cfi_ext4_ext_map_blocks+0x10/0x10
[ 445.873273][ T29] ? ext4_es_lookup_extent+0x54c/0x900
[ 445.879008][ T29] ext4_map_blocks+0x9d8/0x1b70
[ 445.883903][ T29] ? __cfi_ext4_map_blocks+0x10/0x10
[ 445.889408][ T29] ? ext4_inode_journal_mode+0x391/0x480
[ 445.895262][ T29] ext4_writepages+0x1409/0x30e0
[ 445.900273][ T29] ? __update_load_avg_cfs_rq+0xaf/0x2f0
[ 445.906205][ T29] ? __cfi_ext4_writepages+0x10/0x10
[ 445.911537][ T29] ? nla_nest_cancel+0x6b/0x90
[ 445.916523][ T29] ? br_multicast_dump_querier_state+0xb40/0xd20
[ 445.922886][ T29] ? __kasan_check_write+0x14/0x20
[ 445.928222][ T29] ? _raw_spin_lock+0x94/0xf0
[ 445.932931][ T29] ? __cfi__raw_spin_lock+0x10/0x10
[ 445.938447][ T29] ? __wb_update_bandwidth+0x8b4/0x920
[ 445.943956][ T29] ? __cfi_ext4_writepages+0x10/0x10
[ 445.949593][ T29] do_writepages+0x3a4/0x5f0
[ 445.954235][ T29] ? __cfi_do_writepages+0x10/0x10
[ 445.959585][ T29] ? __cfi_wake_up_bit+0x10/0x10
[ 445.964565][ T29] ? __inode_add_lru+0xff/0x340
[ 445.969629][ T29] ? __kasan_check_write+0x14/0x20
[ 445.974772][ T29] ? __kasan_check_write+0x14/0x20
[ 445.980079][ T29] ? _raw_spin_lock+0x94/0xf0
[ 445.984788][ T29] __writeback_single_inode+0xc6/0xad0
[ 445.990495][ T29] writeback_sb_inodes+0xa10/0x15d0
[ 445.995849][ T29] ? queue_io+0x4c0/0x4c0
[ 446.000214][ T29] ? down_read_trylock+0x27f/0x660
[ 446.005533][ T29] __writeback_inodes_wb+0x12f/0x400
[ 446.010863][ T29] wb_writeback+0x41f/0x9d0
[ 446.015566][ T29] ? inode_cgwb_move_to_attached+0x3e0/0x3e0
[ 446.021579][ T29] ? set_worker_desc+0x1ba/0x1f0
[ 446.026942][ T29] ? __kasan_check_write+0x14/0x20
[ 446.032269][ T29] wb_workfn+0xa32/0xeb0
[ 446.036745][ T29] ? __cfi_wb_workfn+0x10/0x10
[ 446.041548][ T29] ? __cfi___perf_event_task_sched_out+0x10/0x10
[ 446.048166][ T29] ? __switch_to_asm+0x3a/0x60
[ 446.052967][ T29] ? __schedule+0xbae/0x1500
[ 446.057770][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 446.063347][ T29] process_one_work+0x71f/0xc40
[ 446.068410][ T29] worker_thread+0xa29/0x11e0
[ 446.073116][ T29] ? __kthread_parkme+0x142/0x180
[ 446.078335][ T29] kthread+0x281/0x320
[ 446.082433][ T29] ? __cfi_worker_thread+0x10/0x10
[ 446.087760][ T29] ? __cfi_kthread+0x10/0x10
[ 446.092381][ T29] ret_from_fork+0x1f/0x30
[ 446.096992][ T29]
[ 446.100048][ T29] INFO: task kworker/u4:2:43 blocked for more than 144 seconds.
[ 446.108027][ T29] Not tainted syzkaller #0
[ 446.112985][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 446.122089][ T29] task:kworker/u4:2 state:D stack:23136 pid:43 ppid:2 flags:0x00004000
[ 446.131541][ T29] Workqueue: netns cleanup_net
[ 446.136483][ T29] Call Trace:
[ 446.139784][ T29]
[ 446.142731][ T29] __schedule+0xba6/0x1500
[ 446.147397][ T29] ? release_firmware_map_entry+0x190/0x190
[ 446.153343][ T29] ? kthread_data+0x50/0xc0
[ 446.158117][ T29] ? wq_worker_sleeping+0x64/0x280
[ 446.163278][ T29] schedule+0xbd/0x170
[ 446.167590][ T29] schedule_timeout+0xba/0x340
[ 446.172381][ T29] ? __cfi_schedule_timeout+0x10/0x10
[ 446.177979][ T29] ? rcu_barrier_handler+0x95/0xe0
[ 446.183129][ T29] ? generic_exec_single+0x24e/0x3b0
[ 446.188627][ T29] wait_for_common+0x365/0x640
[ 446.193425][ T29] ? wait_for_completion+0x20/0x20
[ 446.198764][ T29] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 446.204259][ T29] ? _find_next_bit+0x129/0x130
[ 446.209296][ T29] wait_for_completion+0x18/0x20
[ 446.214270][ T29] rcu_barrier+0x485/0x600
[ 446.218893][ T29] netdev_run_todo+0x114/0xc30
[ 446.223688][ T29] ? __cfi_unregister_netdevice_many+0x10/0x10
[ 446.230045][ T29] ? __cfi_netdev_run_todo+0x10/0x10
[ 446.235594][ T29] ? unregister_netdevice_queue+0x1aa/0x370
[ 446.241527][ T29] ? __cfi_unregister_netdevice_queue+0x10/0x10
[ 446.248018][ T29] ? mutex_lock+0x93/0x1b0
[ 446.252468][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 446.257532][ T29] ? __cfi_unregister_netdevice_queue+0x10/0x10
[ 446.263802][ T29] rtnl_unlock+0xe/0x10
[ 446.268151][ T29] ip_tunnel_delete_nets+0x353/0x3a0
[ 446.273480][ T29] ? __cfi_ip_tunnel_delete_nets+0x10/0x10
[ 446.279501][ T29] ? __cfi_xfrmi_exit_batch_net+0x10/0x10
[ 446.285392][ T29] erspan_exit_batch_net+0x22/0x30
[ 446.290538][ T29] ? __cfi_erspan_exit_batch_net+0x10/0x10
[ 446.296528][ T29] cleanup_net+0x635/0xb10
[ 446.300984][ T29] ? __cfi_cleanup_net+0x10/0x10
[ 446.306128][ T29] process_one_work+0x71f/0xc40
[ 446.311014][ T29] worker_thread+0xa29/0x11e0
[ 446.315878][ T29] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 446.321378][ T29] kthread+0x281/0x320
[ 446.325640][ T29] ? __cfi_worker_thread+0x10/0x10
[ 446.330785][ T29] ? __cfi_kthread+0x10/0x10
[ 446.335596][ T29] ret_from_fork+0x1f/0x30
[ 446.340049][ T29]
[ 446.343105][ T29] INFO: task jbd2/sda1-8:66 blocked for more than 124 seconds.
[ 446.350914][ T29] Not tainted syzkaller #0
[ 446.356108][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 446.364803][ T29] task:jbd2/sda1-8 state:D stack:24928 pid:66 ppid:2 flags:0x00004000
[ 446.374301][ T29] Call Trace:
[ 446.377806][ T29]
[ 446.380768][ T29] __schedule+0xba6/0x1500
[ 446.385401][ T29] ? release_firmware_map_entry+0x190/0x190
[ 446.391429][ T29] schedule+0xbd/0x170
[ 446.395780][ T29] io_schedule+0x84/0xe0
[ 446.400084][ T29] bit_wait_io+0x13/0xd0
[ 446.404362][ T29] __wait_on_bit+0xb9/0x2d0
[ 446.409116][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 446.414182][ T29] out_of_line_wait_on_bit+0x135/0x190
[ 446.419834][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 446.424945][ T29] ? __cfi_out_of_line_wait_on_bit+0x10/0x10
[ 446.430955][ T29] ? __cfi_wake_bit_function+0x10/0x10
[ 446.436623][ T29] ? __cfi__raw_write_lock+0x10/0x10
[ 446.441944][ T29] ? _raw_read_unlock+0x25/0x40
[ 446.447022][ T29] __wait_on_buffer+0x56/0x70
[ 446.451726][ T29] jbd2_journal_commit_transaction+0x2d24/0x5490
[ 446.458285][ T29] ? __cfi_jbd2_journal_commit_transaction+0x10/0x10
[ 446.465119][ T29] ? __cfi___perf_event_task_sched_in+0x10/0x10
[ 446.471387][ T29] ? __cfi___switch_to+0x10/0x10
[ 446.476519][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 446.481402][ T29] ? __cfi__raw_spin_lock_irqsave+0x10/0x10
[ 446.487506][ T29] ? __schedule+0xbae/0x1500
[ 446.492131][ T29] ? __kasan_check_write+0x14/0x20
[ 446.497451][ T29] ? __kasan_check_write+0x14/0x20
[ 446.502594][ T29] ? detach_if_pending+0x18d/0x300
[ 446.507891][ T29] ? _raw_spin_unlock_irqrestore+0x5a/0x80
[ 446.513763][ T29] ? del_timer_sync+0x144/0x1a0
[ 446.518827][ T29] kjournald2+0x3f9/0x770
[ 446.523186][ T29] ? __cfi_kjournald2+0x10/0x10
[ 446.528242][ T29] ? __cfi_autoremove_wake_function+0x10/0x10
[ 446.534352][ T29] ? __kasan_check_read+0x11/0x20
[ 446.539556][ T29] ? __kthread_parkme+0x142/0x180
[ 446.544607][ T29] kthread+0x281/0x320
[ 446.548883][ T29] ? __cfi_kjournald2+0x10/0x10
[ 446.553762][ T29] ? __cfi_kthread+0x10/0x10
[ 446.558540][ T29] ret_from_fork+0x1f/0x30
[ 446.562994][ T29]
[ 446.566211][ T29] INFO: task syz-executor:389 blocked for more than 145 seconds.
[ 446.573948][ T29] Not tainted syzkaller #0
[ 446.579076][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 446.587890][ T29] task:syz-executor state:D stack:25248 pid:389 ppid:302 flags:0x00004004
[ 446.597258][ T29] Call Trace:
[ 446.600569][ T29]
[ 446.603519][ T29] __schedule+0xba6/0x1500
[ 446.608158][ T29] ? release_firmware_map_entry+0x190/0x190
[ 446.614086][ T29] ? __kasan_check_read+0x11/0x20
[ 446.619312][ T29] ? folio_mark_accessed+0x1c7/0x4d0
[ 446.624641][ T29] ? __cfi_folio_mark_accessed+0x10/0x10
[ 446.631006][ T29] schedule+0xbd/0x170
[ 446.635445][ T29] io_schedule+0x84/0xe0
[ 446.639720][ T29] bit_wait_io+0x13/0xd0
[ 446.643992][ T29] __wait_on_bit+0xb9/0x2d0
[ 446.648756][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 446.653741][ T29] out_of_line_wait_on_bit+0x135/0x190
[ 446.659404][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 446.664370][ T29] ? __cfi_out_of_line_wait_on_bit+0x10/0x10
[ 446.670544][ T29] ? __cfi_wake_bit_function+0x10/0x10
[ 446.676237][ T29] ? __getblk_gfp+0x3b/0x7d0
[ 446.680863][ T29] do_get_write_access+0x536/0xd70
[ 446.686182][ T29] jbd2_journal_get_write_access+0x19a/0x2e0
[ 446.692201][ T29] __ext4_journal_get_write_access+0x235/0x6c0
[ 446.698528][ T29] ? __cfi___ext4_journal_get_write_access+0x10/0x10
[ 446.705355][ T29] ? slab_post_alloc_hook+0x6d/0x2d0
[ 446.710737][ T29] ? jbd2__journal_start+0x13d/0x6e0
[ 446.716326][ T29] ext4_reserve_inode_write+0x1f2/0x2e0
[ 446.721914][ T29] __ext4_mark_inode_dirty+0xb2/0x600
[ 446.727488][ T29] ext4_dirty_inode+0xbd/0x100
[ 446.732284][ T29] ? __cfi_ext4_dirty_inode+0x10/0x10
[ 446.737852][ T29] __mark_inode_dirty+0x203/0x9d0
[ 446.742904][ T29] ? ext4_setattr+0x5bf/0x1a60
[ 446.747845][ T29] ext4_setattr+0xa65/0x1a60
[ 446.752472][ T29] ? current_time+0x196/0x2b0
[ 446.757330][ T29] ? __cfi_ext4_setattr+0x10/0x10
[ 446.762386][ T29] notify_change+0xcc3/0xf80
[ 446.767176][ T29] chmod_common+0x223/0x3c0
[ 446.771710][ T29] ? __cfi_chmod_common+0x10/0x10
[ 446.776973][ T29] ? slab_free_freelist_hook+0xc2/0x190
[ 446.782553][ T29] ? user_path_at_empty+0x161/0x1c0
[ 446.787933][ T29] do_fchmodat+0xd4/0x1a0
[ 446.792302][ T29] ? do_faccessat+0xa20/0xa20
[ 446.797177][ T29] ? fpregs_restore_userregs+0x128/0x260
[ 446.802842][ T29] __x64_sys_chmod+0x60/0x70
[ 446.807627][ T29] x64_sys_call+0x760/0x9a0
[ 446.812164][ T29] do_syscall_64+0x4c/0xa0
[ 446.816760][ T29] ? clear_bhb_loop+0x30/0x80
[ 446.821478][ T29] ? clear_bhb_loop+0x30/0x80
[ 446.826349][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 446.832275][ T29] RIP: 0033:0x7f984af9b247
[ 446.836879][ T29] RSP: 002b:00007ffc79d30068 EFLAGS: 00000206 ORIG_RAX: 000000000000005a
[ 446.845802][ T29] RAX: ffffffffffffffda RBX: 00007ffc79d300c0 RCX: 00007f984af9b247
[ 446.853810][ T29] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00007ffc79d300c0
[ 446.862015][ T29] RBP: 00007ffc79d300c0 R08: 0000000000000000 R09: 0000000000000000
[ 446.870231][ T29] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc79d300c8
[ 446.878334][ T29] R13: 0000000000000002 R14: 00007ffc79d302a8 R15: 0000000000000000
[ 446.886449][ T29]
[ 446.889495][ T29] NMI backtrace for cpu 0
[ 446.893838][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[ 446.901051][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 446.911124][ T29] Call Trace:
[ 446.914421][ T29]
[ 446.917369][ T29] __dump_stack+0x21/0x24
[ 446.921726][ T29] dump_stack_lvl+0x110/0x170
[ 446.926445][ T29] ? __cfi_dump_stack_lvl+0x8/0x8
[ 446.931490][ T29] dump_stack+0x15/0x24
[ 446.935666][ T29] nmi_cpu_backtrace+0x2af/0x2c0
[ 446.940632][ T29] ? rcu_read_unlock_special+0xb2/0x440
[ 446.946212][ T29] ? __cfi_nmi_cpu_backtrace+0x10/0x10
[ 446.951701][ T29] ? nmi_trigger_cpumask_backtrace+0xf6/0x3a0
[ 446.957807][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 446.963812][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 446.969820][ T29] nmi_trigger_cpumask_backtrace+0x16b/0x3a0
[ 446.975914][ T29] arch_trigger_cpumask_backtrace+0x10/0x20
[ 446.981828][ T29] watchdog+0xd68/0xeb0
[ 446.986003][ T29] ? __cfi_watchdog+0x10/0x10
[ 446.990717][ T29] ? __kasan_check_read+0x11/0x20
[ 446.995780][ T29] ? __kthread_parkme+0x142/0x180
[ 447.000832][ T29] kthread+0x281/0x320
[ 447.004930][ T29] ? __cfi_watchdog+0x10/0x10
[ 447.009640][ T29] ? __cfi_kthread+0x10/0x10
[ 447.014257][ T29] ret_from_fork+0x1f/0x30
[ 447.018709][ T29]
[ 447.021836][ T29] Sending NMI from CPU 0 to CPUs 1:
[ 447.027091][ C1] NMI backtrace for cpu 1
[ 447.027103][ C1] CPU: 1 PID: 388 Comm: syz.2.31 Not tainted syzkaller #0
[ 447.027121][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 447.027131][ C1] RIP: 0010:unwind_next_frame+0x3cd/0x700
[ 447.027158][ C1] Code: 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 8d 63 81 00 49 8b 07 48 89 df 48 89 45 d0 <48> 89 c6 e8 3b 03 00 00 89 c1 b0 01 84 c9 0f 85 cf 01 00 00 4c 8d
[ 447.027172][ C1] RSP: 0018:ffffc900001af560 EFLAGS: 00000046
[ 447.027187][ C1] RAX: ffffc90000987cd0 RBX: ffffc900001af640 RCX: 0000000000000023
[ 447.027200][ C1] RDX: dffffc0000000000 RSI: 000000000000007f RDI: ffffc900001af640
[ 447.027212][ C1] RBP: ffffc900001af5d0 R08: ffffc900001af601 R09: ffffc900001af640
[ 447.027225][ C1] R10: dffffc0000000000 R11: fffff52000035ed4 R12: 0000000000000000
[ 447.027236][ C1] R13: 1ffff92000035ed3 R14: ffffc900001af698 R15: ffffc90000987cc0
[ 447.027249][ C1] FS: 0000555584966500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 447.027264][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 447.027276][ C1] CR2: 00000000000457c5 CR3: 000000012c5f6000 CR4: 00000000003506a0
[ 447.027290][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 447.027300][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 447.027310][ C1] Call Trace:
[ 447.027315][ C1]
[ 447.027321][ C1] ? __kernel_text_address+0xd/0x30
[ 447.027344][ C1] ? kasan_record_aux_stack+0xe/0x10
[ 447.027370][ C1] perf_callchain_kernel+0x414/0x6c0
[ 447.027398][ C1] ? __cfi_perf_callchain_kernel+0x10/0x10
[ 447.027424][ C1] ? kasan_record_aux_stack+0xe/0x10
[ 447.027450][ C1] ? debug_smp_processor_id+0x17/0x20
[ 447.027465][ C1] ? get_callchain_entry+0x170/0x380
[ 447.027492][ C1] get_perf_callchain+0x236/0x490
[ 447.027517][ C1] ? __cfi_get_perf_callchain+0x10/0x10
[ 447.027544][ C1] perf_prepare_sample+0x399/0x1d40
[ 447.027566][ C1] ? __cfi_perf_output_begin_forward+0x10/0x10
[ 447.027591][ C1] ? __cfi_perf_prepare_sample+0x10/0x10
[ 447.027613][ C1] perf_event_output_forward+0xd1/0x1a0
[ 447.027633][ C1] ? __cfi_perf_event_output_forward+0x10/0x10
[ 447.027656][ C1] ? __this_cpu_preempt_check+0x13/0x20
[ 447.027672][ C1] ? __this_cpu_preempt_check+0x13/0x20
[ 447.027688][ C1] ? __perf_event_account_interrupt+0x1a4/0x2c0
[ 447.027712][ C1] __perf_event_overflow+0x437/0x620
[ 447.027735][ C1] perf_swevent_event+0x243/0x440
[ 447.027758][ C1] ? perf_tp_event+0xa20/0xa20
[ 447.027782][ C1] perf_tp_event+0x75b/0xa20
[ 447.027805][ C1] ? __cfi_perf_tp_event+0x10/0x10
[ 447.027834][ C1] ? ktime_get+0x141/0x170
[ 447.027849][ C1] ? lapic_next_event+0x70/0x80
[ 447.027883][ C1] perf_trace_run_bpf_submit+0xf3/0x1c0
[ 447.027906][ C1] perf_trace_x86_irq_vector+0x233/0x2c0
[ 447.027930][ C1] ? __cfi_perf_trace_x86_irq_vector+0x10/0x10
[ 447.027962][ C1] __sysvec_apic_timer_interrupt+0x421/0x440
[ 447.027985][ C1] sysvec_apic_timer_interrupt+0x53/0xc0
[ 447.028008][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 447.028032][ C1] RIP: 0010:wg_noise_keypair_get+0xa4/0x200
[ 447.028051][ C1] Code: 43 c6 44 2c 04 04 4c 89 f7 be 04 00 00 00 e8 33 94 b2 fe 4c 89 f0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 39 01 00 00 45 8b 3e <44> 89 7c 24 40 31 ff 44 89 fe e8 ad fa 6c fe 45 85 ff 0f 84 90 00
[ 447.028063][ C1] RSP: 0018:ffffc900001b0020 EFLAGS: 00000246
[ 447.028076][ C1] RAX: 0000000000000000 RBX: ffff88811734b000 RCX: ffffffff83047f9d
[ 447.028087][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88811734b4a0
[ 447.028097][ C1] RBP: ffffc900001b00d0 R08: ffff88811734b4a3 R09: 1ffff11022e69694
[ 447.028109][ C1] R10: dffffc0000000000 R11: ffffed1022e69695 R12: 1ffff92000036008
[ 447.028121][ C1] R13: dffffc0000000000 R14: ffff88811734b4a0 R15: 0000000000000001
[ 447.028134][ C1] ? wg_noise_keypair_get+0x8d/0x200
[ 447.028152][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 447.028175][ C1] ? __cfi_wg_noise_keypair_get+0x10/0x10
[ 447.028195][ C1] wg_packet_send_staged_packets+0x2c1/0x13f0
[ 447.028219][ C1] ? wg_packet_send_staged_packets+0x284/0x13f0
[ 447.028243][ C1] ? __cfi_wg_packet_send_staged_packets+0x10/0x10
[ 447.028266][ C1] ? __kasan_check_write+0x14/0x20
[ 447.028282][ C1] ? __cfi__raw_spin_lock_bh+0x10/0x10
[ 447.028300][ C1] ? percpu_counter_add_batch+0x13c/0x160
[ 447.028327][ C1] wg_xmit+0x8b4/0xac0
[ 447.028346][ C1] ? __cfi_wg_xmit+0x10/0x10
[ 447.028366][ C1] dev_hard_start_xmit+0x20b/0x750
[ 447.028392][ C1] __dev_queue_xmit+0x195d/0x3470
[ 447.028416][ C1] ? __dev_queue_xmit+0x258/0x3470
[ 447.028439][ C1] ? __cfi___dev_queue_xmit+0x10/0x10
[ 447.028461][ C1] ? kvm_sched_clock_read+0x18/0x40
[ 447.028485][ C1] ? sched_clock+0x9/0x10
[ 447.028504][ C1] ? sched_clock_cpu+0x6e/0x260
[ 447.028522][ C1] ? perf_trace_x86_irq_vector+0x233/0x2c0
[ 447.028546][ C1] ? __cfi_sched_clock_cpu+0x10/0x10
[ 447.028564][ C1] ? __cfi_perf_trace_x86_irq_vector+0x10/0x10
[ 447.028588][ C1] ? debug_smp_processor_id+0x17/0x20
[ 447.028602][ C1] ? irqtime_account_irq+0xc4/0x240
[ 447.028626][ C1] neigh_connected_output+0x469/0x500
[ 447.028651][ C1] ip6_finish_output2+0x1606/0x18a0
[ 447.028675][ C1] ? __cfi_ip6_finish_output2+0x10/0x10
[ 447.028696][ C1] ? sysvec_apic_timer_interrupt+0x64/0xc0
[ 447.028719][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 447.028742][ C1] ? __cfi_ip6_mtu+0x10/0x10
[ 447.028760][ C1] ip6_finish_output+0x5f9/0xbb0
[ 447.028779][ C1] ip6_output+0x1fa/0x410
[ 447.028796][ C1] ? __cfi_ip6_output+0x10/0x10
[ 447.028813][ C1] ? __cfi_ip6_finish_output+0x10/0x10
[ 447.028830][ C1] ? __cfi_ip6t_do_table+0x10/0x10
[ 447.028854][ C1] ndisc_send_skb+0x7dc/0xcc0
[ 447.028879][ C1] ? __cfi_ndisc_send_skb+0x10/0x10
[ 447.028902][ C1] ? __cfi_dst_output+0x10/0x10
[ 447.028924][ C1] ? __irq_exit_rcu+0x5e/0xf0
[ 447.028950][ C1] ndisc_send_rs+0x670/0x870
[ 447.028975][ C1] addrconf_rs_timer+0x2cf/0x610
[ 447.028991][ C1] ? __irq_exit_rcu+0x5e/0xf0
[ 447.029008][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10
[ 447.029026][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10
[ 447.029043][ C1] call_timer_fn+0x46/0x2a0
[ 447.029064][ C1] ? __cfi_addrconf_rs_timer+0x10/0x10
[ 447.029080][ C1] __run_timers+0x65b/0x9f0
[ 447.029104][ C1] ? calc_index+0x200/0x200
[ 447.029125][ C1] ? kvm_sched_clock_read+0x18/0x40
[ 447.029150][ C1] run_timer_softirq+0x6a/0xf0
[ 447.029170][ C1] handle_softirqs+0x1d7/0x600
[ 447.029188][ C1] ? irqtime_account_irq+0xc4/0x240
[ 447.029211][ C1] __irq_exit_rcu+0x52/0xf0
[ 447.029227][ C1] irq_exit_rcu+0x9/0x10
[ 447.029243][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0
[ 447.029266][ C1]
[ 447.029270][ C1]
[ 447.029275][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 447.029297][ C1] RIP: 0010:preempt_schedule_irq+0xa5/0x120
[ 447.029318][ C1] Code: 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 b1 00 4c fc fb bf 01 00 00 00 f6 e4 ff ff fa bf 01 00 00 00 e8 5b 02 4c fc 65 48 8b 1d 23 cb
[ 447.029349][ C1] RSP: 0018:ffffc90000987720 EFLAGS: 00000246
[ 447.029361][ C1] RAX: 1ffff11022e2fb79 RBX: ffffc900009877e8 RCX: ffffffff87b7b100
[ 447.029374][ C1] RDX: 1ffffffff0f6e608 RSI: 0000000000000000 RDI: 0000000000000001
[ 447.029384][ C1] RBP: ffffc90000987798 R08: ffffffff87b73048 R09: ffffffff87b73058
[ 447.029397][ C1] R10: ffffffff87b73043 R11: 1ffffffff0f6e608 R12: 0000000000000000
[ 447.029408][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000130ee4
[ 447.029423][ C1] ? __cfi_preempt_schedule_irq+0x10/0x10
[ 447.029445][ C1] raw_irqentry_exit_cond_resched+0x29/0x30
[ 447.029464][ C1] irqentry_exit+0x37/0x40
[ 447.029487][ C1] sysvec_apic_timer_interrupt+0x64/0xc0
[ 447.029511][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 447.029534][ C1] RIP: 0010:unwind_next_frame+0x5b9/0x700
[ 447.029553][ C1] Code: ba 00 00 00 00 00 fc ff df 48 8b 45 90 0f b6 04 10 84 c0 0f 85 b8 00 00 00 c7 03 00 00 00 00 31 c0 48 83 c4 48 5b 41 5c 41 5d <41> 5e 41 5f 5d c3 c6 05 7b ed 59 06 01 48 b8 00 00 00 00 00 fc ff
[ 447.029566][ C1] RSP: 0018:ffffc90000987890 EFLAGS: 00000286
[ 447.029578][ C1] RAX: 0000000000987901 RBX: ffffc90000987960 RCX: 0000000000987901
[ 447.029590][ C1] RDX: ffffc900009879b0 RSI: 1ffff92000130f26 RDI: ffffc90000987980
[ 447.029602][ C1] RBP: ffffc900009878a0 R08: ffffc90000987901 R09: ffffc90000987928
[ 447.029614][ C1] R10: dffffc0000000000 R11: fffff52000130f31 R12: ffffc90000987938
[ 447.029626][ C1] R13: ffffc90000987930 R14: ffffc90000987980 R15: ffffc90000987918
[ 447.029642][ C1] __unwind_start+0x31f/0x3a0
[ 447.029662][ C1] ? __cfi_stack_trace_consume_entry+0x10/0x10
[ 447.029686][ C1] arch_stack_walk+0xe4/0x150
[ 447.029712][ C1] ? stack_trace_save+0xa6/0xf0
[ 447.029733][ C1] stack_trace_save+0xa6/0xf0
[ 447.029753][ C1] ? __cfi_stack_trace_save+0x10/0x10
[ 447.029776][ C1] kasan_save_stack+0x3a/0x60
[ 447.029805][ C1] ? __kasan_record_aux_stack+0x96/0xc0
[ 447.029820][ C1] __kasan_record_aux_stack+0xb6/0xc0
[ 447.029835][ C1] kasan_record_aux_stack+0xe/0x10
[ 447.029860][ C1] task_work_add+0x7f/0x330
[ 447.029879][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 447.029903][ C1] ? __cfi_task_work_add+0x10/0x10
[ 447.029923][ C1] ? delayed_fput+0x41/0x80
[ 447.029952][ C1] fput+0xe1/0x1a0
[ 447.029971][ C1] filp_close+0x111/0x160
[ 447.029994][ C1] __close_range+0x3a3/0x500
[ 447.030012][ C1] ? __cfi___close_range+0x10/0x10
[ 447.030028][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 447.030053][ C1] __x64_sys_close_range+0x7a/0x90
[ 447.030077][ C1] x64_sys_call+0x43b/0x9a0
[ 447.030097][ C1] do_syscall_64+0x4c/0xa0
[ 447.030114][ C1] ? clear_bhb_loop+0x30/0x80
[ 447.030137][ C1] ? clear_bhb_loop+0x30/0x80
[ 447.030160][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 447.030182][ C1] RIP: 0033:0x7efddb79cdd9
[ 447.030195][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[ 447.030208][ C1] RSP: 002b:00007fff61586548 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
[ 447.030224][ C1] RAX: ffffffffffffffda RBX: 00007fff61586630 RCX: 00007efddb79cdd9
[ 447.030236][ C1] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
[ 447.030245][ C1] RBP: 00000000000457c5 R08: 0000000000000001 R09: 0000000000000000
[ 447.030255][ C1] R10: 0000001b33120000 R11: 0000000000000246 R12: 0000000000000000
[ 447.030265][ C1] R13: 00007efddba15fac R14: 00007efddba15fa8 R15: 00007efddba15fa0
[ 447.030280][ C1]
[ 468.604927][ T29] INFO: task kworker/u4:1:10 blocked for more than 146 seconds.
[ 468.612642][ T29] Not tainted syzkaller #0
[ 468.618027][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 468.626855][ T29] task:kworker/u4:1 state:D stack:24584 pid:10 ppid:2 flags:0x00004000
[ 468.636262][ T29] Workqueue: writeback wb_workfn (flush-8:0)
[ 468.642289][ T29] Call Trace:
[ 468.645763][ T29]
[ 468.648724][ T29] __schedule+0xba6/0x1500
[ 468.653352][ T29] ? release_firmware_map_entry+0x190/0x190
[ 468.659584][ T29] ? kthread_data+0x50/0xc0
[ 468.664118][ T29] ? wq_worker_sleeping+0x64/0x280
[ 468.669463][ T29] schedule+0xbd/0x170
[ 468.673566][ T29] io_schedule+0x84/0xe0
[ 468.678000][ T29] bit_wait_io+0x13/0xd0
[ 468.682276][ T29] __wait_on_bit_lock+0x257/0x600
[ 468.687504][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 468.692485][ T29] out_of_line_wait_on_bit_lock+0x135/0x190
[ 468.698667][ T29] ? __kasan_check_write+0x14/0x20
[ 468.703857][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 468.709055][ T29] ? __cfi_out_of_line_wait_on_bit_lock+0x10/0x10
[ 468.715679][ T29] ? __cfi_wake_bit_function+0x10/0x10
[ 468.721191][ T29] ? __kasan_check_write+0x14/0x20
[ 468.726559][ T29] __lock_buffer+0x59/0x70
[ 468.731096][ T29] do_get_write_access+0x1a3/0xd70
[ 468.736424][ T29] ? __cfi___find_get_block+0x10/0x10
[ 468.741863][ T29] jbd2_journal_get_write_access+0x19a/0x2e0
[ 468.748153][ T29] __ext4_journal_get_write_access+0x235/0x6c0
[ 468.754350][ T29] ? __cfi___ext4_journal_get_write_access+0x10/0x10
[ 468.761296][ T29] ? __kasan_check_read+0x11/0x20
[ 468.766816][ T29] ? ext4_wait_block_bitmap+0x6a/0x1c0
[ 468.772328][ T29] ext4_mb_mark_diskspace_used+0x1bb/0x1250
[ 468.778482][ T29] ? ext4_discard_allocated_blocks+0x5d0/0x5d0
[ 468.784675][ T29] ext4_mb_new_blocks+0x110b/0x4170
[ 468.790175][ T29] ? __kasan_kmalloc+0x95/0xb0
[ 468.795149][ T29] ? memset+0x35/0x40
[ 468.799196][ T29] ? __cfi_ext4_mb_new_blocks+0x10/0x10
[ 468.804775][ T29] ? ext4_inode_to_goal_block+0x352/0x4a0
[ 468.810760][ T29] ? ext4_ext_find_goal+0x11d/0x200
[ 468.816132][ T29] ext4_ext_map_blocks+0x173d/0x6200
[ 468.821457][ T29] ? kasan_set_track+0x60/0x70
[ 468.826463][ T29] ? kasan_set_track+0x4b/0x70
[ 468.831258][ T29] ? kasan_save_alloc_info+0x25/0x30
[ 468.836731][ T29] ? __kasan_slab_alloc+0x72/0x80
[ 468.841789][ T29] ? slab_post_alloc_hook+0x4f/0x2d0
[ 468.847287][ T29] ? kmem_cache_alloc+0x16e/0x330
[ 468.852354][ T29] ? ext4_alloc_io_end_vec+0x2a/0x160
[ 468.857930][ T29] ? ext4_writepages+0x10e9/0x30e0
[ 468.863074][ T29] ? do_writepages+0x3a4/0x5f0
[ 468.868116][ T29] ? __writeback_single_inode+0xc6/0xad0
[ 468.873802][ T29] ? writeback_sb_inodes+0xa10/0x15d0
[ 468.879442][ T29] ? __writeback_inodes_wb+0x12f/0x400
[ 468.885055][ T29] ? wb_writeback+0x41f/0x9d0
[ 468.889773][ T29] ? wb_workfn+0xa32/0xeb0
[ 468.894213][ T29] ? process_one_work+0x71f/0xc40
[ 468.899475][ T29] ? worker_thread+0xa29/0x11e0
[ 468.904356][ T29] ? kthread+0x281/0x320
[ 468.908795][ T29] ? __cfi_ext4_ext_map_blocks+0x10/0x10
[ 468.914466][ T29] ? ext4_es_lookup_extent+0x54c/0x900
[ 468.920144][ T29] ext4_map_blocks+0x9d8/0x1b70
[ 468.925139][ T29] ? __cfi_ext4_map_blocks+0x10/0x10
[ 468.930465][ T29] ? ext4_inode_journal_mode+0x391/0x480
[ 468.936318][ T29] ext4_writepages+0x1409/0x30e0
[ 468.941298][ T29] ? __update_load_avg_cfs_rq+0xaf/0x2f0
[ 468.947224][ T29] ? __cfi_ext4_writepages+0x10/0x10
[ 468.952557][ T29] ? nla_nest_cancel+0x6b/0x90
[ 468.957568][ T29] ? br_multicast_dump_querier_state+0xb40/0xd20
[ 468.963942][ T29] ? __kasan_check_write+0x14/0x20
[ 468.969301][ T29] ? _raw_spin_lock+0x94/0xf0
[ 468.974014][ T29] ? __cfi__raw_spin_lock+0x10/0x10
[ 468.979429][ T29] ? __wb_update_bandwidth+0x8b4/0x920
[ 468.985079][ T29] ? __cfi_ext4_writepages+0x10/0x10
[ 468.990403][ T29] do_writepages+0x3a4/0x5f0
[ 468.995218][ T29] ? __cfi_do_writepages+0x10/0x10
[ 469.000358][ T29] ? __cfi_wake_up_bit+0x10/0x10
[ 469.005563][ T29] ? __inode_add_lru+0xff/0x340
[ 469.010450][ T29] ? __kasan_check_write+0x14/0x20
[ 469.015743][ T29] ? __kasan_check_write+0x14/0x20
[ 469.020886][ T29] ? _raw_spin_lock+0x94/0xf0
[ 469.025772][ T29] __writeback_single_inode+0xc6/0xad0
[ 469.031271][ T29] writeback_sb_inodes+0xa10/0x15d0
[ 469.036651][ T29] ? queue_io+0x4c0/0x4c0
[ 469.041012][ T29] ? down_read_trylock+0x27f/0x660
[ 469.046336][ T29] __writeback_inodes_wb+0x12f/0x400
[ 469.051658][ T29] wb_writeback+0x41f/0x9d0
[ 469.056367][ T29] ? inode_cgwb_move_to_attached+0x3e0/0x3e0
[ 469.062375][ T29] ? set_worker_desc+0x1ba/0x1f0
[ 469.067519][ T29] ? __kasan_check_write+0x14/0x20
[ 469.072664][ T29] wb_workfn+0xa32/0xeb0
[ 469.077108][ T29] ? __cfi_wb_workfn+0x10/0x10
[ 469.081904][ T29] ? __cfi___perf_event_task_sched_out+0x10/0x10
[ 469.088434][ T29] ? __switch_to_asm+0x3a/0x60
[ 469.093228][ T29] ? __schedule+0xbae/0x1500
[ 469.097999][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 469.103574][ T29] process_one_work+0x71f/0xc40
[ 469.108597][ T29] worker_thread+0xa29/0x11e0
[ 469.113306][ T29] ? __kthread_parkme+0x142/0x180
[ 469.118516][ T29] kthread+0x281/0x320
[ 469.122615][ T29] ? __cfi_worker_thread+0x10/0x10
[ 469.128074][ T29] ? __cfi_kthread+0x10/0x10
[ 469.132696][ T29] ret_from_fork+0x1f/0x30
[ 469.137556][ T29]
[ 469.140618][ T29] INFO: task kworker/u4:2:43 blocked for more than 167 seconds.
[ 469.148484][ T29] Not tainted syzkaller #0
[ 469.153443][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 469.162295][ T29] task:kworker/u4:2 state:D stack:23136 pid:43 ppid:2 flags:0x00004000
[ 469.171679][ T29] Workqueue: netns cleanup_net
[ 469.176608][ T29] Call Trace:
[ 469.179921][ T29]
[ 469.182877][ T29] __schedule+0xba6/0x1500
[ 469.187537][ T29] ? release_firmware_map_entry+0x190/0x190
[ 469.193501][ T29] ? kthread_data+0x50/0xc0
[ 469.198212][ T29] ? wq_worker_sleeping+0x64/0x280
[ 469.203359][ T29] schedule+0xbd/0x170
[ 469.207638][ T29] schedule_timeout+0xba/0x340
[ 469.212428][ T29] ? __cfi_schedule_timeout+0x10/0x10
[ 469.218012][ T29] ? rcu_barrier_handler+0x95/0xe0
[ 469.223266][ T29] ? generic_exec_single+0x24e/0x3b0
[ 469.228750][ T29] wait_for_common+0x365/0x640
[ 469.233695][ T29] ? wait_for_completion+0x20/0x20
[ 469.239204][ T29] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 469.244737][ T29] ? _find_next_bit+0x129/0x130
[ 469.249811][ T29] wait_for_completion+0x18/0x20
[ 469.254782][ T29] rcu_barrier+0x485/0x600
[ 469.259414][ T29] netdev_run_todo+0x114/0xc30
[ 469.264471][ T29] ? __cfi_unregister_netdevice_many+0x10/0x10
[ 469.270855][ T29] ? __cfi_netdev_run_todo+0x10/0x10
[ 469.276324][ T29] ? unregister_netdevice_queue+0x1aa/0x370
[ 469.282264][ T29] ? __cfi_unregister_netdevice_queue+0x10/0x10
[ 469.288801][ T29] ? mutex_lock+0x93/0x1b0
[ 469.293259][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 469.298361][ T29] ? __cfi_unregister_netdevice_queue+0x10/0x10
[ 469.304640][ T29] rtnl_unlock+0xe/0x10
[ 469.309020][ T29] ip_tunnel_delete_nets+0x353/0x3a0
[ 469.314346][ T29] ? __cfi_ip_tunnel_delete_nets+0x10/0x10
[ 469.320350][ T29] ? __cfi_xfrmi_exit_batch_net+0x10/0x10
[ 469.326244][ T29] erspan_exit_batch_net+0x22/0x30
[ 469.331390][ T29] ? __cfi_erspan_exit_batch_net+0x10/0x10
[ 469.337394][ T29] cleanup_net+0x635/0xb10
[ 469.341850][ T29] ? __cfi_cleanup_net+0x10/0x10
[ 469.346983][ T29] process_one_work+0x71f/0xc40
[ 469.351864][ T29] worker_thread+0xa29/0x11e0
[ 469.356730][ T29] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 469.362230][ T29] kthread+0x281/0x320
[ 469.366490][ T29] ? __cfi_worker_thread+0x10/0x10
[ 469.371630][ T29] ? __cfi_kthread+0x10/0x10
[ 469.376424][ T29] ret_from_fork+0x1f/0x30
[ 469.380915][ T29]
[ 469.383972][ T29] INFO: task jbd2/sda1-8:66 blocked for more than 147 seconds.
[ 469.391815][ T29] Not tainted syzkaller #0
[ 469.396885][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 469.405686][ T29] task:jbd2/sda1-8 state:D stack:24928 pid:66 ppid:2 flags:0x00004000
[ 469.415749][ T29] Call Trace:
[ 469.419049][ T29]
[ 469.422007][ T29] __schedule+0xba6/0x1500
[ 469.426671][ T29] ? release_firmware_map_entry+0x190/0x190
[ 469.432600][ T29] schedule+0xbd/0x170
[ 469.436853][ T29] io_schedule+0x84/0xe0
[ 469.441132][ T29] bit_wait_io+0x13/0xd0
[ 469.445666][ T29] __wait_on_bit+0xb9/0x2d0
[ 469.450216][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 469.455395][ T29] out_of_line_wait_on_bit+0x135/0x190
[ 469.460903][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 469.466090][ T29] ? __cfi_out_of_line_wait_on_bit+0x10/0x10
[ 469.472113][ T29] ? __cfi_wake_bit_function+0x10/0x10
[ 469.477835][ T29] ? __cfi__raw_write_lock+0x10/0x10
[ 469.483211][ T29] ? _raw_read_unlock+0x25/0x40
[ 469.488350][ T29] __wait_on_buffer+0x56/0x70
[ 469.493279][ T29] jbd2_journal_commit_transaction+0x2d24/0x5490
[ 469.499889][ T29] ? __cfi_jbd2_journal_commit_transaction+0x10/0x10
[ 469.506747][ T29] ? __cfi___perf_event_task_sched_in+0x10/0x10
[ 469.513024][ T29] ? __cfi___switch_to+0x10/0x10
[ 469.518186][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 469.523074][ T29] ? __cfi__raw_spin_lock_irqsave+0x10/0x10
[ 469.529177][ T29] ? __schedule+0xbae/0x1500
[ 469.533804][ T29] ? __kasan_check_write+0x14/0x20
[ 469.539157][ T29] ? __kasan_check_write+0x14/0x20
[ 469.544305][ T29] ? detach_if_pending+0x18d/0x300
[ 469.549688][ T29] ? _raw_spin_unlock_irqrestore+0x5a/0x80
[ 469.555660][ T29] ? del_timer_sync+0x144/0x1a0
[ 469.560552][ T29] kjournald2+0x3f9/0x770
[ 469.565177][ T29] ? __cfi_kjournald2+0x10/0x10
[ 469.570072][ T29] ? __cfi_autoremove_wake_function+0x10/0x10
[ 469.576464][ T29] ? __kasan_check_read+0x11/0x20
[ 469.581528][ T29] ? __kthread_parkme+0x142/0x180
[ 469.586846][ T29] kthread+0x281/0x320
[ 469.590955][ T29] ? __cfi_kjournald2+0x10/0x10
[ 469.596094][ T29] ? __cfi_kthread+0x10/0x10
[ 469.600724][ T29] ret_from_fork+0x1f/0x30
[ 469.605376][ T29]
[ 469.608436][ T29] INFO: task syz-executor:389 blocked for more than 168 seconds.
[ 469.616347][ T29] Not tainted syzkaller #0
[ 469.621307][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 469.630218][ T29] task:syz-executor state:D stack:25248 pid:389 ppid:302 flags:0x00004004
[ 469.639593][ T29] Call Trace:
[ 469.642919][ T29]
[ 469.646180][ T29] __schedule+0xba6/0x1500
[ 469.650641][ T29] ? release_firmware_map_entry+0x190/0x190
[ 469.657017][ T29] ? __kasan_check_read+0x11/0x20
[ 469.662076][ T29] ? folio_mark_accessed+0x1c7/0x4d0
[ 469.667589][ T29] ? __cfi_folio_mark_accessed+0x10/0x10
[ 469.673262][ T29] schedule+0xbd/0x170
[ 469.677569][ T29] io_schedule+0x84/0xe0
[ 469.681859][ T29] bit_wait_io+0x13/0xd0
[ 469.686323][ T29] __wait_on_bit+0xb9/0x2d0
[ 469.690856][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 469.695978][ T29] out_of_line_wait_on_bit+0x135/0x190
[ 469.701475][ T29] ? __cfi_bit_wait_io+0x10/0x10
[ 469.706708][ T29] ? __cfi_out_of_line_wait_on_bit+0x10/0x10
[ 469.712733][ T29] ? __cfi_wake_bit_function+0x10/0x10
[ 469.718465][ T29] ? __getblk_gfp+0x3b/0x7d0
[ 469.723107][ T29] do_get_write_access+0x536/0xd70
[ 469.728496][ T29] jbd2_journal_get_write_access+0x19a/0x2e0
[ 469.734605][ T29] __ext4_journal_get_write_access+0x235/0x6c0
[ 469.741005][ T29] ? __cfi___ext4_journal_get_write_access+0x10/0x10
[ 469.747872][ T29] ? slab_post_alloc_hook+0x6d/0x2d0
[ 469.753209][ T29] ? jbd2__journal_start+0x13d/0x6e0
[ 469.758713][ T29] ext4_reserve_inode_write+0x1f2/0x2e0
[ 469.764303][ T29] __ext4_mark_inode_dirty+0xb2/0x600
[ 469.769927][ T29] ext4_dirty_inode+0xbd/0x100
[ 469.774727][ T29] ? __cfi_ext4_dirty_inode+0x10/0x10
[ 469.780299][ T29] __mark_inode_dirty+0x203/0x9d0
[ 469.785462][ T29] ? ext4_setattr+0x5bf/0x1a60
[ 469.790345][ T29] ext4_setattr+0xa65/0x1a60
[ 469.795118][ T29] ? current_time+0x196/0x2b0
[ 469.799833][ T29] ? __cfi_ext4_setattr+0x10/0x10
[ 469.805062][ T29] notify_change+0xcc3/0xf80
[ 469.809695][ T29] chmod_common+0x223/0x3c0
[ 469.814223][ T29] ? __cfi_chmod_common+0x10/0x10
[ 469.819510][ T29] ? slab_free_freelist_hook+0xc2/0x190
[ 469.825200][ T29] ? user_path_at_empty+0x161/0x1c0
[ 469.830425][ T29] do_fchmodat+0xd4/0x1a0
[ 469.835318][ T29] ? do_faccessat+0xa20/0xa20
[ 469.840038][ T29] ? fpregs_restore_userregs+0x128/0x260
[ 469.845865][ T29] __x64_sys_chmod+0x60/0x70
[ 469.850490][ T29] x64_sys_call+0x760/0x9a0
[ 469.855163][ T29] do_syscall_64+0x4c/0xa0
[ 469.859609][ T29] ? clear_bhb_loop+0x30/0x80
[ 469.864331][ T29] ? clear_bhb_loop+0x30/0x80
[ 469.869247][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 469.875271][ T29] RIP: 0033:0x7f984af9b247
[ 469.879707][ T29] RSP: 002b:00007ffc79d30068 EFLAGS: 00000206 ORIG_RAX: 000000000000005a
[ 469.888630][ T29] RAX: ffffffffffffffda RBX: 00007ffc79d300c0 RCX: 00007f984af9b247
[ 469.896817][ T29] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00007ffc79d300c0
[ 469.904972][ T29] RBP: 00007ffc79d300c0 R08: 0000000000000000 R09: 0000000000000000
[ 469.912971][ T29] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc79d300c8
[ 469.921168][ T29] R13: 0000000000000002 R14: 00007ffc79d302a8 R15: 0000000000000000
[ 469.929305][ T29]
[ 469.932357][ T29] NMI backtrace for cpu 0
[ 469.936705][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[ 469.943921][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 469.953995][ T29] Call Trace:
[ 469.957292][ T29]
[ 469.960244][ T29] __dump_stack+0x21/0x24
[ 469.964601][ T29] dump_stack_lvl+0x110/0x170
[ 469.969305][ T29] ? __cfi_dump_stack_lvl+0x8/0x8
[ 469.974360][ T29] dump_stack+0x15/0x24
[ 469.978545][ T29] nmi_cpu_backtrace+0x2af/0x2c0
[ 469.983514][ T29] ? rcu_read_unlock_special+0xb2/0x440
[ 469.989091][ T29] ? __cfi_nmi_cpu_backtrace+0x10/0x10
[ 469.994577][ T29] ? nmi_trigger_cpumask_backtrace+0xf6/0x3a0
[ 470.000669][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 470.006671][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 470.012674][ T29] nmi_trigger_cpumask_backtrace+0x16b/0x3a0
[ 470.018689][ T29] arch_trigger_cpumask_backtrace+0x10/0x20
[ 470.024608][ T29] watchdog+0xd68/0xeb0
[ 470.028787][ T29] ? __cfi_watchdog+0x10/0x10
[ 470.033492][ T29] ? __kasan_check_read+0x11/0x20
[ 470.038539][ T29] ? __kthread_parkme+0x142/0x180
[ 470.043585][ T29] kthread+0x281/0x320
[ 470.047858][ T29] ? __cfi_watchdog+0x10/0x10
[ 470.052550][ T29] ? __cfi_kthread+0x10/0x10
[ 470.057169][ T29] ret_from_fork+0x1f/0x30
[ 470.061615][ T29]
[ 470.064744][ T29] Sending NMI from CPU 0 to CPUs 1:
[ 470.069982][ C1] NMI backtrace for cpu 1
[ 470.069992][ C1] CPU: 1 PID: 388 Comm: syz.2.31 Not tainted syzkaller #0
[ 470.070009][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 470.070018][ C1] RIP: 0010:perf_callchain_kernel+0x3e9/0x6c0
[ 470.070049][ C1] Code: 28 00 74 08 48 89 df e8 35 12 b6 00 48 8d 43 08 48 8b 0b 48 8d 51 01 48 89 13 48 8d 1c c8 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 fd 12 b6 00 4c 89 33 43 0f b6 04 2f 84 c0 0f 85
[ 470.070065][ C1] RSP: 0018:ffffc900001b0020 EFLAGS: 00000046
[ 470.070086][ C1] RAX: 1ffff11022e2e927 RBX: ffff888117174938 RCX: 0000000000000016
[ 470.070099][ C1] RDX: 0000000000000017 RSI: 000000000000007f RDI: 0000000000000015
[ 470.070109][ C1] RBP: ffffc900001b0150 R08: ffffc900001b0001 R09: ffffc900001b0080
[ 470.070122][ C1] R10: dffffc0000000000 R11: fffff5200003601c R12: ffffc900001b01ac
[ 470.070135][ C1] R13: dffffc0000000000 R14: ffffffff85200d0b R15: 1ffff92000036035
[ 470.070149][ C1] FS: 0000555584966500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 470.070164][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 470.070176][ C1] CR2: 00000000000457c5 CR3: 000000012c5f6000 CR4: 00000000003506a0
[ 470.070191][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 470.070201][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 470.070212][ C1] Call Trace:
[ 470.070216][ C1]
[ 470.070223][ C1] ? __cfi_perf_callchain_kernel+0x10/0x10
[ 470.070251][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 470.070277][ C1] ? debug_smp_processor_id+0x17/0x20
[ 470.070293][ C1] ? get_callchain_entry+0x170/0x380
[ 470.070320][ C1] get_perf_callchain+0x236/0x490
[ 470.070345][ C1] ? __cfi_get_perf_callchain+0x10/0x10
[ 470.070373][ C1] perf_prepare_sample+0x399/0x1d40
[ 470.070395][ C1] ? __cfi_perf_output_begin_forward+0x10/0x10
[ 470.070419][ C1] ? __cfi_perf_prepare_sample+0x10/0x10
[ 470.070442][ C1] perf_event_output_forward+0xd1/0x1a0
[ 470.070463][ C1] ? __cfi_perf_event_output_forward+0x10/0x10
[ 470.070485][ C1] ? __this_cpu_preempt_check+0x13/0x20
[ 470.070502][ C1] ? __this_cpu_preempt_check+0x13/0x20
[ 470.070517][ C1] ? __perf_event_account_interrupt+0x1a4/0x2c0
[ 470.070542][ C1] __perf_event_overflow+0x437/0x620
[ 470.070565][ C1] perf_swevent_event+0x243/0x440
[ 470.070588][ C1] ? perf_tp_event+0xa20/0xa20
[ 470.070612][ C1] perf_tp_event+0x75b/0xa20
[ 470.070635][ C1] ? __cfi_perf_tp_event+0x10/0x10
[ 470.070665][ C1] ? ktime_get+0x141/0x170
[ 470.070680][ C1] ? lapic_next_event+0x70/0x80
[ 470.070720][ C1] perf_trace_run_bpf_submit+0xf3/0x1c0
[ 470.070744][ C1] perf_trace_x86_irq_vector+0x233/0x2c0
[ 470.070771][ C1] ? __cfi_perf_trace_x86_irq_vector+0x10/0x10
[ 470.070797][ C1] __sysvec_apic_timer_interrupt+0x421/0x440
[ 470.070821][ C1] sysvec_apic_timer_interrupt+0x53/0xc0
[ 470.070847][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 470.070870][ C1] RIP: 0010:slab_free_freelist_hook+0x9e/0x190
[ 470.070895][ C1] Code: 48 89 75 c8 eb 20 48 8b 45 c0 ff 08 48 8b 75 c8 4d 01 ee 49 0f ce 4c 31 f3 4c 3b 6d b8 49 89 dd 0f 84 bd 00 00 00 45 8b 77 28 <49> 8b 9f d8 00 00 00 4b 33 5c 35 00 66 90 45 31 e4 48 8b 55 08 41
[ 470.070909][ C1] RSP: 0018:ffffc900001b0a60 EFLAGS: 00000202
[ 470.070922][ C1] RAX: ffff8881f714e001 RBX: ffff88818f39e8c0 RCX: ffffffff18250801
[ 470.070936][ C1] RDX: ffffc900001b0ad0 RSI: ffffc900001b0ad8 RDI: ffff8881001f0000
[ 470.070948][ C1] RBP: ffffc900001b0aa8 R08: ffff88810c3dc9df R09: 1ffff1102187b93b
[ 470.070961][ C1] R10: 0000000000000000 R11: ffffed102187b93c R12: ffffea00043ce780
[ 470.070973][ C1] R13: ffff88810f39e8c0 R14: 00000000000000e0 R15: ffff8881001f0000
[ 470.070990][ C1] ? mempool_free_slab+0x1d/0x30
[ 470.071010][ C1] kmem_cache_free+0x12d/0x300
[ 470.071044][ C1] ? mempool_free_slab+0x12/0x30
[ 470.071066][ C1] mempool_free_slab+0x1d/0x30
[ 470.071090][ C1] ? __cfi_mempool_free_slab+0x10/0x10
[ 470.071110][ C1] mempool_free+0xe6/0x350
[ 470.071130][ C1] bio_free+0x236/0x360
[ 470.071148][ C1] ? __lock_buffer+0x31/0x70
[ 470.071165][ C1] ? unlock_buffer+0x1a/0x30
[ 470.071181][ C1] ? __cfi_journal_end_buffer_io_sync+0x10/0x10
[ 470.071220][ C1] bio_put+0xa5/0x630
[ 470.071238][ C1] ? unlock_buffer+0x2b/0x30
[ 470.071255][ C1] ? __cfi_journal_end_buffer_io_sync+0x10/0x10
[ 470.071280][ C1] end_bio_bh_io_sync+0xd2/0x130
[ 470.071302][ C1] ? __cfi_end_bio_bh_io_sync+0x10/0x10
[ 470.071326][ C1] bio_endio+0x6a9/0x7c0
[ 470.071347][ C1] blk_update_request+0x4c4/0xe60
[ 470.071367][ C1] scsi_end_request+0x8c/0x780
[ 470.071392][ C1] ? scsi_io_completion+0xba/0x260
[ 470.071408][ C1] scsi_io_completion+0xea/0x260
[ 470.071425][ C1] scsi_finish_command+0x2f5/0x410
[ 470.071444][ C1] scsi_complete+0x142/0x4e0
[ 470.071464][ C1] blk_done_softirq+0x116/0x160
[ 470.071488][ C1] handle_softirqs+0x1d7/0x600
[ 470.071508][ C1] ? irqtime_account_irq+0xc4/0x240
[ 470.071532][ C1] __irq_exit_rcu+0x52/0xf0
[ 470.071558][ C1] irq_exit_rcu+0x9/0x10
[ 470.071574][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0
[ 470.071598][ C1]
[ 470.071602][ C1]
[ 470.071608][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 470.071631][ C1] RIP: 0010:__schedule+0x0/0x1500
[ 470.071652][ C1] Code: 69 87 4c 89 35 01 79 68 02 eb 05 e8 ea ee 70 fc 48 c7 c7 00 c7 c1 87 e8 ce 7f 01 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 00 00 cc <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec e0 00
[ 470.071666][ C1] RSP: 0018:ffffc90000987718 EFLAGS: 00000246
[ 470.071679][ C1] RAX: 1ffff11022e2fb79 RBX: ffffc900009877e8 RCX: ffffffff87b7b100
[ 470.071692][ C1] RDX: 1ffffffff0f6e608 RSI: 0000000000000000 RDI: 0000000000000001
[ 470.071703][ C1] RBP: ffffc90000987798 R08: ffffffff87b73048 R09: ffffffff87b73058
[ 470.071716][ C1] R10: ffffffff87b73043 R11: 1ffffffff0f6e608 R12: 0000000000000000
[ 470.071728][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000130ee4
[ 470.071743][ C1] ? preempt_schedule_irq+0xaa/0x120
[ 470.071763][ C1] ? __cfi_preempt_schedule_irq+0x10/0x10
[ 470.071785][ C1] raw_irqentry_exit_cond_resched+0x29/0x30
[ 470.071804][ C1] irqentry_exit+0x37/0x40
[ 470.071828][ C1] sysvec_apic_timer_interrupt+0x64/0xc0
[ 470.071852][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 470.071876][ C1] RIP: 0010:unwind_next_frame+0x5b9/0x700
[ 470.071896][ C1] Code: ba 00 00 00 00 00 fc ff df 48 8b 45 90 0f b6 04 10 84 c0 0f 85 b8 00 00 00 c7 03 00 00 00 00 31 c0 48 83 c4 48 5b 41 5c 41 5d <41> 5e 41 5f 5d c3 c6 05 7b ed 59 06 01 48 b8 00 00 00 00 00 fc ff
[ 470.071909][ C1] RSP: 0018:ffffc90000987890 EFLAGS: 00000286
[ 470.071922][ C1] RAX: 0000000000987901 RBX: ffffc90000987960 RCX: 0000000000987901
[ 470.071934][ C1] RDX: ffffc900009879b0 RSI: 1ffff92000130f26 RDI: ffffc90000987980
[ 470.071947][ C1] RBP: ffffc900009878a0 R08: ffffc90000987901 R09: ffffc90000987928
[ 470.071959][ C1] R10: dffffc0000000000 R11: fffff52000130f31 R12: ffffc90000987938
[ 470.071972][ C1] R13: ffffc90000987930 R14: ffffc90000987980 R15: ffffc90000987918
[ 470.071989][ C1] __unwind_start+0x31f/0x3a0
[ 470.072009][ C1] ? __cfi_stack_trace_consume_entry+0x10/0x10
[ 470.072032][ C1] arch_stack_walk+0xe4/0x150
[ 470.072059][ C1] ? stack_trace_save+0xa6/0xf0
[ 470.072087][ C1] stack_trace_save+0xa6/0xf0
[ 470.072107][ C1] ? __cfi_stack_trace_save+0x10/0x10
[ 470.072131][ C1] kasan_save_stack+0x3a/0x60
[ 470.072160][ C1] ? __kasan_record_aux_stack+0x96/0xc0
[ 470.072176][ C1] __kasan_record_aux_stack+0xb6/0xc0
[ 470.072191][ C1] kasan_record_aux_stack+0xe/0x10
[ 470.072216][ C1] task_work_add+0x7f/0x330
[ 470.072236][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 470.072260][ C1] ? __cfi_task_work_add+0x10/0x10
[ 470.072281][ C1] ? delayed_fput+0x41/0x80
[ 470.072303][ C1] fput+0xe1/0x1a0
[ 470.072322][ C1] filp_close+0x111/0x160
[ 470.072344][ C1] __close_range+0x3a3/0x500
[ 470.072362][ C1] ? __cfi___close_range+0x10/0x10
[ 470.072378][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 470.072403][ C1] __x64_sys_close_range+0x7a/0x90
[ 470.072427][ C1] x64_sys_call+0x43b/0x9a0
[ 470.072446][ C1] do_syscall_64+0x4c/0xa0
[ 470.072463][ C1] ? clear_bhb_loop+0x30/0x80
[ 470.072486][ C1] ? clear_bhb_loop+0x30/0x80
[ 470.072509][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 470.072531][ C1] RIP: 0033:0x7efddb79cdd9
[ 470.072544][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[ 470.072556][ C1] RSP: 002b:00007fff61586548 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
[ 470.072572][ C1] RAX: ffffffffffffffda RBX: 00007fff61586630 RCX: 00007efddb79cdd9
[ 470.072583][ C1] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
[ 470.072593][ C1] RBP: 00000000000457c5 R08: 0000000000000001 R09: 0000000000000000
[ 470.072603][ C1] R10: 0000001b33120000 R11: 0000000000000246 R12: 0000000000000000
[ 470.072613][ C1] R13: 00007efddba15fac R14: 00007efddba15fa8 R15: 00007efddba15fa0
[ 470.072628][ C1]
[ 504.362999][ T393] bridge0: port 1(bridge_slave_0) entered blocking state
[ 504.370402][ T393] bridge0: port 1(bridge_slave_0) entered disabled state
[ 504.379433][ T393] device bridge_slave_0 entered promiscuous mode
[ 504.388586][ T393] bridge0: port 2(bridge_slave_1) entered blocking state
[ 504.395813][ T393] bridge0: port 2(bridge_slave_1) entered disabled state
[ 504.403382][ T393] device bridge_slave_1 entered promiscuous mode
[ 504.478487][ T393] bridge0: port 2(bridge_slave_1) entered blocking state
[ 504.485607][ T393] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 504.492939][ T393] bridge0: port 1(bridge_slave_0) entered blocking state
[ 504.500041][ T393] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 525.564866][ T16] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2104 jiffies s: 1157 root: 0x2/.
[ 525.576611][ T16] rcu: blocking rcu_node structures (internal RCU debug):
[ 525.583745][ T16] Sending NMI from CPU 0 to CPUs 1:
[ 525.588994][ C1] NMI backtrace for cpu 1
[ 525.589005][ C1] CPU: 1 PID: 388 Comm: syz.2.31 Not tainted syzkaller #0
[ 525.589022][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 525.589032][ C1] RIP: 0010:__unwind_start+0x2da/0x3a0
[ 525.589189][ C1] Code: 75 65 48 8b 55 a0 48 39 da 0f 97 c1 48 39 c2 0f 96 c0 20 c8 3c 01 75 4f 48 b8 00 00 00 00 00 fc ff df 48 8b 4d b0 80 3c 01 00 <48> 8b 5d a8 74 08 48 89 df e8 08 56 81 00 48 83 3b 00 75 6a 48 b8
[ 525.589205][ C1] RSP: 0018:ffffc900001affe8 EFLAGS: 00000046
[ 525.589220][ C1] RAX: dffffc0000000000 RBX: ffffc900001a9000 RCX: 1ffff92000036022
[ 525.589234][ C1] RDX: ffffc900001b0998 RSI: 1ffff92000036019 RDI: ffffc900001b0118
[ 525.589247][ C1] RBP: ffffc900001b0050 R08: ffffc900001b0100 R09: ffffc900001b00c0
[ 525.589260][ C1] R10: dffffc0000000000 R11: fffff52000036024 R12: ffffc900001b00d0
[ 525.589273][ C1] R13: ffffc900001b00c8 R14: ffffc900001b00c0 R15: 1ffff9200003601a
[ 525.589286][ C1] FS: 0000555584966500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 525.589302][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 525.589315][ C1] CR2: 00000000000457c5 CR3: 000000012c5f6000 CR4: 00000000003506a0
[ 525.589330][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 525.589340][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 525.589351][ C1] Call Trace:
[ 525.589356][ C1]
[ 525.589363][ C1] perf_callchain_kernel+0x2b9/0x6c0
[ 525.589442][ C1] ? __cfi_perf_callchain_kernel+0x10/0x10
[ 525.589469][ C1] ? __perf_event_overflow+0x437/0x620
[ 525.589515][ C1] ? debug_smp_processor_id+0x17/0x20
[ 525.589555][ C1] ? get_callchain_entry+0x170/0x380
[ 525.589581][ C1] get_perf_callchain+0x236/0x490
[ 525.589606][ C1] ? __cfi_get_perf_callchain+0x10/0x10
[ 525.589634][ C1] perf_prepare_sample+0x399/0x1d40
[ 525.589656][ C1] ? __cfi_perf_output_begin_forward+0x10/0x10
[ 525.589680][ C1] ? __cfi_perf_prepare_sample+0x10/0x10
[ 525.589703][ C1] perf_event_output_forward+0xd1/0x1a0
[ 525.589724][ C1] ? __cfi_perf_event_output_forward+0x10/0x10
[ 525.589746][ C1] ? __this_cpu_preempt_check+0x13/0x20
[ 525.589763][ C1] ? __this_cpu_preempt_check+0x13/0x20
[ 525.589779][ C1] ? __perf_event_account_interrupt+0x1a4/0x2c0
[ 525.589803][ C1] __perf_event_overflow+0x437/0x620
[ 525.589826][ C1] perf_swevent_event+0x243/0x440
[ 525.589849][ C1] ? perf_tp_event+0xa20/0xa20
[ 525.589877][ C1] perf_tp_event+0x75b/0xa20
[ 525.589901][ C1] ? __cfi_perf_tp_event+0x10/0x10
[ 525.589930][ C1] ? ktime_get+0x141/0x170
[ 525.589954][ C1] ? lapic_next_event+0x70/0x80
[ 525.590007][ C1] perf_trace_run_bpf_submit+0xf3/0x1c0
[ 525.590032][ C1] perf_trace_x86_irq_vector+0x233/0x2c0
[ 525.590086][ C1] ? __cfi_perf_trace_x86_irq_vector+0x10/0x10
[ 525.590113][ C1] __sysvec_apic_timer_interrupt+0x421/0x440
[ 525.590138][ C1] sysvec_apic_timer_interrupt+0x53/0xc0
[ 525.590162][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 525.590199][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0x55/0x80
[ 525.590220][ C1] Code: c0 d4 0d 87 e8 6c 09 b5 fc 4c 89 f7 48 83 3d c1 cc 0b 02 00 74 30 e8 9e 0d 00 00 90 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 d6 9c 4a fc 65 8b 05 a7 65 00 7b 85 c0 74 05 5b 41 5e 5d c3 e8
[ 525.590235][ C1] RSP: 0018:ffffc900001b0aa0 EFLAGS: 00000206
[ 525.590248][ C1] RAX: 0000000000000001 RBX: 0000000000000a02 RCX: dffffc0000000000
[ 525.590259][ C1] RDX: 0000000000000100 RSI: 0000000000000a02 RDI: 0000000000000001
[ 525.590269][ C1] RBP: ffffc900001b0ab0 R08: ffff88810c04f3b7 R09: 1ffff11021809e76
[ 525.590282][ C1] R10: dffffc0000000000 R11: ffffed1021809e77 R12: 1ffff92000036160
[ 525.590295][ C1] R13: dffffc0000000000 R14: ffff88810b700440 R15: 0000000020000000
[ 525.590312][ C1] __folio_end_writeback+0x3ab/0x720
[ 525.590339][ C1] ? __cfi___folio_end_writeback+0x10/0x10
[ 525.590359][ C1] ? folio_end_writeback+0x41/0x2d0
[ 525.590376][ C1] folio_end_writeback+0xa3/0x2d0
[ 525.590393][ C1] end_page_writeback+0x55/0x70
[ 525.590413][ C1] end_buffer_async_write+0x2c5/0x3a0
[ 525.590444][ C1] ? __cfi_end_buffer_async_write+0x10/0x10
[ 525.590463][ C1] end_bio_bh_io_sync+0xca/0x130
[ 525.590485][ C1] ? __cfi_end_bio_bh_io_sync+0x10/0x10
[ 525.590509][ C1] bio_endio+0x6a9/0x7c0
[ 525.590552][ C1] blk_update_request+0x4c4/0xe60
[ 525.590575][ C1] scsi_end_request+0x8c/0x780
[ 525.590609][ C1] scsi_io_completion+0xea/0x260
[ 525.590626][ C1] scsi_finish_command+0x2f5/0x410
[ 525.590646][ C1] scsi_complete+0x142/0x4e0
[ 525.590666][ C1] blk_done_softirq+0x116/0x160
[ 525.590689][ C1] handle_softirqs+0x1d7/0x600
[ 525.590734][ C1] ? irqtime_account_irq+0xc4/0x240
[ 525.590763][ C1] __irq_exit_rcu+0x52/0xf0
[ 525.590781][ C1] irq_exit_rcu+0x9/0x10
[ 525.590797][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0
[ 525.590821][ C1]
[ 525.590826][ C1]
[ 525.590831][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 525.590855][ C1] RIP: 0010:__schedule+0x0/0x1500
[ 525.590875][ C1] Code: 69 87 4c 89 35 01 79 68 02 eb 05 e8 ea ee 70 fc 48 c7 c7 00 c7 c1 87 e8 ce 7f 01 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 00 00 cc <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec e0 00
[ 525.590889][ C1] RSP: 0018:ffffc90000987718 EFLAGS: 00000246
[ 525.590901][ C1] RAX: 1ffff11022e2fb79 RBX: ffffc900009877e8 RCX: ffffffff87b7b100
[ 525.590915][ C1] RDX: 1ffffffff0f6e608 RSI: 0000000000000000 RDI: 0000000000000001
[ 525.590926][ C1] RBP: ffffc90000987798 R08: ffffffff87b73048 R09: ffffffff87b73058
[ 525.590938][ C1] R10: ffffffff87b73043 R11: 1ffffffff0f6e608 R12: 0000000000000000
[ 525.590951][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000130ee4
[ 525.590966][ C1] ? preempt_schedule_irq+0xaa/0x120
[ 525.590986][ C1] ? __cfi_preempt_schedule_irq+0x10/0x10
[ 525.591008][ C1] raw_irqentry_exit_cond_resched+0x29/0x30
[ 525.591028][ C1] irqentry_exit+0x37/0x40
[ 525.591052][ C1] sysvec_apic_timer_interrupt+0x64/0xc0
[ 525.591081][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 525.591104][ C1] RIP: 0010:unwind_next_frame+0x5b9/0x700
[ 525.591123][ C1] Code: ba 00 00 00 00 00 fc ff df 48 8b 45 90 0f b6 04 10 84 c0 0f 85 b8 00 00 00 c7 03 00 00 00 00 31 c0 48 83 c4 48 5b 41 5c 41 5d <41> 5e 41 5f 5d c3 c6 05 7b ed 59 06 01 48 b8 00 00 00 00 00 fc ff
[ 525.591138][ C1] RSP: 0018:ffffc90000987890 EFLAGS: 00000286
[ 525.591150][ C1] RAX: 0000000000987901 RBX: ffffc90000987960 RCX: 0000000000987901
[ 525.591162][ C1] RDX: ffffc900009879b0 RSI: 1ffff92000130f26 RDI: ffffc90000987980
[ 525.591175][ C1] RBP: ffffc900009878a0 R08: ffffc90000987901 R09: ffffc90000987928
[ 525.591189][ C1] R10: dffffc0000000000 R11: fffff52000130f31 R12: ffffc90000987938
[ 525.591202][ C1] R13: ffffc90000987930 R14: ffffc90000987980 R15: ffffc90000987918
[ 525.591219][ C1] __unwind_start+0x31f/0x3a0
[ 525.591239][ C1] ? __cfi_stack_trace_consume_entry+0x10/0x10
[ 525.591262][ C1] arch_stack_walk+0xe4/0x150
[ 525.591326][ C1] ? stack_trace_save+0xa6/0xf0
[ 525.591348][ C1] stack_trace_save+0xa6/0xf0
[ 525.591369][ C1] ? __cfi_stack_trace_save+0x10/0x10
[ 525.591393][ C1] kasan_save_stack+0x3a/0x60
[ 525.591431][ C1] ? __kasan_record_aux_stack+0x96/0xc0
[ 525.591451][ C1] __kasan_record_aux_stack+0xb6/0xc0
[ 525.591467][ C1] kasan_record_aux_stack+0xe/0x10
[ 525.591492][ C1] task_work_add+0x7f/0x330
[ 525.591561][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 525.591586][ C1] ? __cfi_task_work_add+0x10/0x10
[ 525.591606][ C1] ? delayed_fput+0x41/0x80
[ 525.591633][ C1] fput+0xe1/0x1a0
[ 525.591653][ C1] filp_close+0x111/0x160
[ 525.591676][ C1] __close_range+0x3a3/0x500
[ 525.591694][ C1] ? __cfi___close_range+0x10/0x10
[ 525.591711][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 525.591736][ C1] __x64_sys_close_range+0x7a/0x90
[ 525.591761][ C1] x64_sys_call+0x43b/0x9a0
[ 525.591780][ C1] do_syscall_64+0x4c/0xa0
[ 525.591798][ C1] ? clear_bhb_loop+0x30/0x80
[ 525.591821][ C1] ? clear_bhb_loop+0x30/0x80
[ 525.591844][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 525.591867][ C1] RIP: 0033:0x7efddb79cdd9
[ 525.591880][ C1] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[ 525.591894][ C1] RSP: 002b:00007fff61586548 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
[ 525.591911][ C1] RAX: ffffffffffffffda RBX: 00007fff61586630 RCX: 00007efddb79cdd9
[ 525.591923][ C1] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
[ 525.591933][ C1] RBP: 00000000000457c5 R08: 0000000000000001 R09: 0000000000000000
[ 525.591943][ C1] R10: 0000001b33120000 R11: 0000000000000246 R12: 0000000000000000
[ 525.591954][ C1] R13: 00007efddba15fac R14: 00007efddba15fa8 R15: 00007efddba15fa0
[ 525.591969][ C1]