Warning: Permanently added '10.128.0.195' (ED25519) to the list of known hosts.
executing program
[ 573.505950][ T30] INFO: task kworker/u8:7:2473 blocked for more than 143 seconds.
[ 573.514031][ T30] Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0
[ 573.522828][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 573.534295][ T30] task:kworker/u8:7 state:D stack:20752 pid:2473 tgid:2473 ppid:2 flags:0x00004000
[ 573.544809][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 573.551388][ T30] Call Trace:
[ 573.554681][ T30]
[ 573.557880][ T30] __schedule+0x17e8/0x4a20
[ 573.562428][ T30] ? __pfx___schedule+0x10/0x10
[ 573.567755][ T30] ? __pfx_lock_release+0x10/0x10
[ 573.572804][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 573.578684][ T30] ? kthread_data+0x52/0xd0
[ 573.583206][ T30] ? schedule+0x90/0x320
[ 573.588075][ T30] ? wq_worker_sleeping+0x66/0x240
[ 573.593208][ T30] ? schedule+0x90/0x320
[ 573.597892][ T30] schedule+0x14b/0x320
[ 573.602073][ T30] schedule_preempt_disabled+0x13/0x30
[ 573.607590][ T30] __mutex_lock+0x6a4/0xd70
[ 573.612106][ T30] ? __mutex_lock+0x527/0xd70
[ 573.617489][ T30] ? addrconf_verify_work+0x19/0x30
[ 573.622715][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 573.628373][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.634375][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 573.641585][ T30] ? process_scheduled_works+0x945/0x1830
[ 573.647681][ T30] addrconf_verify_work+0x19/0x30
[ 573.652729][ T30] process_scheduled_works+0xa2c/0x1830
[ 573.658758][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 573.664763][ T30] ? assign_work+0x364/0x3d0
[ 573.669893][ T30] worker_thread+0x86d/0xd70
[ 573.674521][ T30] ? __kthread_parkme+0x169/0x1d0
[ 573.680053][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.685207][ T30] kthread+0x2f0/0x390
[ 573.689827][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.695056][ T30] ? __pfx_kthread+0x10/0x10
[ 573.700362][ T30] ret_from_fork+0x4b/0x80
[ 573.704813][ T30] ? __pfx_kthread+0x10/0x10
[ 573.709815][ T30] ret_from_fork_asm+0x1a/0x30
[ 573.714623][ T30]
[ 573.718049][ T30]
[ 573.718049][ T30] Showing all locks held in the system:
[ 573.726153][ T30] 1 lock held by khungtaskd/30:
[ 573.731097][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 573.741428][ T30] 3 locks held by kworker/u8:7/2473:
[ 573.747530][ T30] #0: ffff88802a02b148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 573.759731][ T30] #1: ffffc900098ffd00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 573.773806][ T30] #2: ffffffff8f5e7448 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 573.784243][ T30] 2 locks held by getty/4851:
[ 573.789348][ T30] #0: ffff88802aa6e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 573.799597][ T30] #1: ffffc90002f0e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 573.810151][ T30] 2 locks held by syz-executor752/5113:
[ 573.816039][ T30]
[ 573.818375][ T30] =============================================
[ 573.818375][ T30]
[ 573.827331][ T30] NMI backtrace for cpu 1
[ 573.831669][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0
[ 573.841563][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 573.851622][ T30] Call Trace:
[ 573.854906][ T30]
[ 573.857837][ T30] dump_stack_lvl+0x241/0x360
[ 573.862528][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 573.867748][ T30] ? __pfx__printk+0x10/0x10
[ 573.872445][ T30] ? vprintk_emit+0x631/0x770
[ 573.877154][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 573.882203][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 573.887342][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 573.892810][ T30] ? _printk+0xd5/0x120
[ 573.896975][ T30] ? __pfx__printk+0x10/0x10
[ 573.901568][ T30] ? __wake_up_klogd+0xcc/0x110
[ 573.906428][ T30] ? __pfx__printk+0x10/0x10
[ 573.911025][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 573.916059][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 573.922041][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 573.928044][ T30] watchdog+0xfde/0x1020
[ 573.932295][ T30] ? watchdog+0x1ea/0x1020
[ 573.936734][ T30] ? __pfx_watchdog+0x10/0x10
[ 573.941414][ T30] kthread+0x2f0/0x390
[ 573.945489][ T30] ? __pfx_watchdog+0x10/0x10
[ 573.950286][ T30] ? __pfx_kthread+0x10/0x10
[ 573.954904][ T30] ret_from_fork+0x4b/0x80
[ 573.959341][ T30] ? __pfx_kthread+0x10/0x10
[ 573.963946][ T30] ret_from_fork_asm+0x1a/0x30
[ 573.968744][ T30]
[ 573.971997][ T30] Sending NMI from CPU 1 to CPUs 0:
[ 573.977281][ C0] NMI backtrace for cpu 0
[ 573.977295][ C0] CPU: 0 PID: 5113 Comm: syz-executor752 Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0
[ 573.977314][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 573.977328][ C0] RIP: 0010:debug_lockdep_rcu_enabled+0x18/0x40
[ 573.977356][ C0] Code: 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 83 3d 27 c3 26 04 00 74 1e 83 3d 76 f4 26 04 00 74 15 <65> 48 8b 0c 25 00 d5 03 00 31 c0 83 b9 dc 0a 00 00 00 0f 94 c0 c3
[ 573.977370][ C0] RSP: 0018:ffffc900097de6f8 EFLAGS: 00000202
[ 573.977385][ C0] RAX: 0000000000000000 RBX: ffffc900097de9c0 RCX: ffff8880270b1e00
[ 573.977397][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
[ 573.977411][ C0] RBP: ffffc900097de7d0 R08: ffffffff8b7ea061 R09: 1ffffffff25f56b0
[ 573.977423][ C0] R10: dffffc0000000000 R11: fffffbfff25f56b1 R12: dffffc0000000000
[ 573.977435][ C0] R13: ffffffff897b2fd0 R14: ffff888029682090 R15: dffffc0000000000
[ 573.977448][ C0] FS: 00005555847de380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[ 573.977462][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 573.977473][ C0] CR2: 0000556f52ca6600 CR3: 000000007548a000 CR4: 00000000003506f0
[ 573.977487][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 573.977496][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 573.977506][ C0] Call Trace:
[ 573.977515][ C0]
[ 573.977522][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 573.977544][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 573.977564][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 573.977585][ C0] ? nmi_handle+0x2a/0x5a0
[ 573.977617][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 573.977635][ C0] ? nmi_handle+0x14f/0x5a0
[ 573.977658][ C0] ? nmi_handle+0x2a/0x5a0
[ 573.977681][ C0] ? debug_lockdep_rcu_enabled+0x18/0x40
[ 573.977698][ C0] ? default_do_nmi+0x63/0x160
[ 573.977720][ C0] ? exc_nmi+0x123/0x1f0
[ 573.977741][ C0] ? end_repeat_nmi+0xf/0x53
[ 573.977761][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 573.977786][ C0] ? radix_tree_lookup+0x161/0x290
[ 573.977810][ C0] ? debug_lockdep_rcu_enabled+0x18/0x40
[ 573.977828][ C0] ? debug_lockdep_rcu_enabled+0x18/0x40
[ 573.977846][ C0] ? debug_lockdep_rcu_enabled+0x18/0x40
[ 573.977864][ C0]
[ 573.977870][ C0]
[ 573.977875][ C0] tcf_idr_check_alloc+0x1ef/0x900
[ 573.977902][ C0] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 573.977926][ C0] ? __nla_parse+0x40/0x60
[ 573.977949][ C0] tcf_police_init+0x29b/0x17c0
[ 573.977965][ C0] ? __sock_sendmsg+0x221/0x270
[ 573.977984][ C0] ? ____sys_sendmsg+0x525/0x7d0
[ 573.978006][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 573.978036][ C0] ? nla_memcpy+0x5d/0xc0
[ 573.978056][ C0] ? __asan_memcpy+0x40/0x70
[ 573.978074][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 573.978090][ C0] tcf_action_init_1+0x5d7/0x890
[ 573.978119][ C0] ? __pfx_tcf_action_init_1+0x10/0x10
[ 573.978155][ C0] ? tcf_action_fill_size+0x1e/0x2d0
[ 573.978180][ C0] tcf_action_init+0x2e4/0x940
[ 573.978210][ C0] ? __pfx_tcf_action_init+0x10/0x10
[ 573.978264][ C0] ? apparmor_capable+0x138/0x1b0
[ 573.978291][ C0] tc_ctl_action+0x47d/0xcf0
[ 573.978307][ C0] ? is_bpf_text_address+0x26/0x2a0
[ 573.978330][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 573.978361][ C0] ? trace_contention_end+0x3c/0x120
[ 573.978382][ C0] ? __mutex_lock+0x2ef/0xd70
[ 573.978403][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 573.978431][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 573.978446][ C0] rtnetlink_rcv_msg+0x89b/0x1180
[ 573.978469][ C0] ? rtnetlink_rcv_msg+0x208/0x1180
[ 573.978489][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 573.978508][ C0] ? is_bpf_text_address+0x285/0x2a0
[ 573.978528][ C0] ? __pfx_validate_chain+0x10/0x10
[ 573.978548][ C0] ? __pfx_validate_chain+0x10/0x10
[ 573.978568][ C0] ? arch_stack_walk+0x16d/0x1b0
[ 573.978597][ C0] ? mark_lock+0x9a/0x350
[ 573.978614][ C0] ? __pfx_validate_chain+0x10/0x10
[ 573.978635][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 573.978660][ C0] ? mark_lock+0x9a/0x350
[ 573.978679][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 573.978707][ C0] netlink_rcv_skb+0x1e3/0x430
[ 573.978725][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 573.978745][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 573.978774][ C0] ? netlink_deliver_tap+0x2e/0x1b0
[ 573.978793][ C0] netlink_unicast+0x7ea/0x980
[ 573.978813][ C0] ? __pfx_netlink_unicast+0x10/0x10
[ 573.978827][ C0] ? __virt_addr_valid+0x183/0x520
[ 573.978850][ C0] ? __check_object_size+0x49c/0x900
[ 573.978873][ C0] ? bpf_lsm_netlink_send+0x9/0x10
[ 573.978898][ C0] netlink_sendmsg+0x8db/0xcb0
[ 573.978922][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 573.978940][ C0] ? __import_iovec+0x536/0x820
[ 573.978961][ C0] ? aa_sock_msg_perm+0x91/0x160
[ 573.978980][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 573.978994][ C0] ? security_socket_sendmsg+0x87/0xb0
[ 573.979017][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 573.979034][ C0] __sock_sendmsg+0x221/0x270
[ 573.979056][ C0] ____sys_sendmsg+0x525/0x7d0
[ 573.979076][ C0] ? __pfx_____sys_sendmsg+0x10/0x10
[ 573.979101][ C0] __sys_sendmsg+0x2b0/0x3a0
[ 573.979118][ C0] ? __pfx___sys_sendmsg+0x10/0x10
[ 573.979150][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.979245][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 573.979265][ C0] ? exc_page_fault+0x590/0x8c0
[ 573.979283][ C0] ? do_syscall_64+0xb6/0x230
[ 573.979316][ C0] do_syscall_64+0xf3/0x230
[ 573.979336][ C0] ? clear_bhb_loop+0x35/0x90
[ 573.979357][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 573.979377][ C0] RIP: 0033:0x7f941eaefdf9
[ 573.979402][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
[ 573.979415][ C0] RSP: 002b:00007ffe64c0d828 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 573.979433][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f941eaefdf9
[ 573.979445][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 573.979455][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 573.979464][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 573.979474][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 573.979492][ C0]
[ 573.979500][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.218 msecs
[ 574.634225][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 574.641104][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0
[ 574.651001][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.661060][ T30] Call Trace:
[ 574.664345][ T30]
[ 574.667276][ T30] dump_stack_lvl+0x241/0x360
[ 574.671965][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 574.677168][ T30] ? __pfx__printk+0x10/0x10
[ 574.681872][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 574.688650][ T30] ? vscnprintf+0x5d/0x90
[ 574.692991][ T30] panic+0x349/0x860
[ 574.696892][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.703053][ T30] ? __pfx_panic+0x10/0x10
[ 574.707478][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 574.712860][ T30] ? __irq_work_queue_local+0x137/0x410
[ 574.718417][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 574.723794][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.729952][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 574.736209][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 574.742372][ T30] watchdog+0x101d/0x1020
[ 574.746708][ T30] ? watchdog+0x1ea/0x1020
[ 574.751131][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.755811][ T30] kthread+0x2f0/0x390
[ 574.759889][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.764569][ T30] ? __pfx_kthread+0x10/0x10
[ 574.769164][ T30] ret_from_fork+0x4b/0x80
[ 574.773695][ T30] ? __pfx_kthread+0x10/0x10
[ 574.778308][ T30] ret_from_fork_asm+0x1a/0x30
[ 574.783411][ T30]
[ 574.786807][ T30] Kernel Offset: disabled
[ 574.791140][ T30] Rebooting in 86400 seconds..