Warning: Permanently added '10.128.0.170' (ED25519) to the list of known hosts.
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[ 86.645306][ T1108] cfg80211: failed to load regulatory.db
[ 178.642986][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 178.650054][ C1] rcu: 0-....: (1 GPs behind) idle=ff5/1/0x4000000000000002 softirq=5266/5267 fqs=2100
[ 178.660312][ C1] (detected by 1, t=10506 jiffies, g=5657, q=377)
[ 178.666846][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 178.672068][ C0] NMI backtrace for cpu 0
[ 178.672097][ C0] CPU: 0 PID: 4196 Comm: syz-executor239 Not tainted syzkaller #0
[ 178.672114][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 178.672133][ C0] RIP: 0010:check_preemption_disabled+0x13/0x110
[ 178.672176][ C0] Code: 47 76 5b c3 00 00 cc 48 c7 c7 a0 f7 79 8a 48 c7 c6 e0 f7 79 8a eb 00 55 41 57 41 56 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 <48> 89 44 24 08 65 8b 05 59 dc 45 76 65 8b 0d c2 36 46 76 f7 c1 ff
[ 178.672189][ C0] RSP: 0018:ffffc90002edef60 EFLAGS: 00000086
[ 178.672203][ C0] RAX: 71ef07772c000a00 RBX: 0000000000001064 RCX: ffff88807c34d940
[ 178.672215][ C0] RDX: 0000000000000000 RSI: ffffffff8a79f7e0 RDI: ffffffff8a79f7a0
[ 178.672226][ C0] RBP: 0000000000000001 R08: dffffc0000000000 R09: 1ffffffff203a618
[ 178.672237][ C0] R10: dffffc0000000000 R11: fffffbfff203a619 R12: dffffc0000000000
[ 178.672249][ C0] R13: ffff888022be5c80 R14: 0000000000000000 R15: ffff888022be5d58
[ 178.672260][ C0] FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[ 178.672274][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 178.672285][ C0] CR2: 00007f289fa847bc CR3: 000000001f406000 CR4: 00000000003506f0
[ 178.672299][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 178.672308][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 178.672318][ C0] Call Trace:
[ 178.672324][ C0]
[ 178.672333][ C0] rcu_is_watching+0x11/0xa0
[ 178.672358][ C0] __task_pid_nr_ns+0x2e8/0x420
[ 178.672388][ C0] __perf_event_header__init_id+0x20b/0x500
[ 178.672418][ C0] perf_prepare_sample+0x158/0x1cd0
[ 178.672452][ C0] ? perf_callchain+0x190/0x190
[ 178.672467][ C0] ? rcu_lock_release+0x9/0x20
[ 178.672486][ C0] perf_event_output_forward+0x185/0x2e0
[ 178.672502][ C0] ? deref_stack_reg+0xd0/0x120
[ 178.672520][ C0] ? perf_get_page_size+0x430/0x430
[ 178.672538][ C0] ? tracing_gen_ctx_irq_test+0xb3/0x130
[ 178.672558][ C0] ? __perf_event_account_interrupt+0x187/0x280
[ 178.672575][ C0] __perf_event_overflow+0x364/0x530
[ 178.672594][ C0] perf_tp_event+0x383/0xbf0
[ 178.672612][ C0] ? perf_trace_run_bpf_submit+0x1c0/0x1c0
[ 178.672629][ C0] ? perf_tp_event+0xa92/0xbf0
[ 178.672663][ C0] perf_trace_run_bpf_submit+0xf3/0x1c0
[ 178.672682][ C0] perf_trace_preemptirq_template+0x2aa/0x360
[ 178.672707][ C0] ? asm_sysvec_irq_work+0x16/0x20
[ 178.672724][ C0] ? trace_event_raw_event_preemptirq_template+0x290/0x290
[ 178.672742][ C0] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 178.672763][ C0] ? lock_chain_count+0x20/0x20
[ 178.672782][ C0] ? asm_sysvec_irq_work+0x16/0x20
[ 178.672797][ C0] trace_irq_enable_rcuidle+0x108/0x180
[ 178.672815][ C0] trace_hardirqs_on+0x57/0x80
[ 178.672830][ C0] asm_sysvec_irq_work+0x16/0x20
[ 178.672846][ C0] RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0
[ 178.672863][ C0] Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 e2 f0 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
[ 178.672875][ C0] RSP: 0018:ffffc90002edf760 EFLAGS: 00000206
[ 178.672886][ C0] RAX: 71ef07772c000a00 RBX: 1ffff920005dbef0 RCX: 71ef07772c000a00
[ 178.672898][ C0] RDX: dffffc0000000000 RSI: ffffffff8a2b2780 RDI: ffffffff8a79f800
[ 178.672909][ C0] RBP: ffffc90002edf830 R08: ffffffff901d30c7 R09: 1ffffffff203a618
[ 178.672921][ C0] R10: dffffc0000000000 R11: fffffbfff203a619 R12: ffffffff8c322f00
[ 178.672932][ C0] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
[ 178.672953][ C0] ? __rcu_read_unlock+0xd0/0xd0
[ 178.672968][ C0] ? rcu_lock_acquire+0x30/0x30
[ 178.672989][ C0] __rcu_read_unlock+0x78/0xd0
[ 178.673005][ C0] __unlock_page_memcg+0xea/0x100
[ 178.673021][ C0] unmap_page_range+0xf96/0x2500
[ 178.673052][ C0] unmap_vmas+0x131/0x250
[ 178.673067][ C0] ? unmap_page_range+0x2500/0x2500
[ 178.673080][ C0] ? __mutex_lock_common+0x465/0x2400
[ 178.673106][ C0] exit_mmap+0x3b9/0x640
[ 178.673124][ C0] ? vm_brk+0x20/0x20
[ 178.673146][ C0] ? uprobe_clear_state+0x2f6/0x460
[ 178.673161][ C0] ? mm_update_next_owner+0x522/0x640
[ 178.673178][ C0] __mmput+0x115/0x3b0
[ 178.673194][ C0] exit_mm+0x588/0x6e0
[ 178.673207][ C0] ? xacct_add_tsk+0x4a0/0x4a0
[ 178.673226][ C0] ? do_exit+0x20c0/0x20c0
[ 178.673240][ C0] ? __ia32_sys_timer_delete+0x40/0x40
[ 178.673256][ C0] ? hrtimer_try_to_cancel+0x3c9/0x410
[ 178.673274][ C0] ? taskstats_exit+0x439/0xab0
[ 178.673292][ C0] ? tty_audit_exit+0x14e/0x1f0
[ 178.673311][ C0] do_exit+0x5a9/0x20c0
[ 178.673325][ C0] ? perf_trace_preemptirq_template+0x2aa/0x360
[ 178.673344][ C0] ? put_task_struct+0x80/0x80
[ 178.673356][ C0] ? rcu_nmi_exit+0x6f/0xf0
[ 178.673376][ C0] ? lock_chain_count+0x20/0x20
[ 178.673395][ C0] do_group_exit+0x12e/0x300
[ 178.673411][ C0] __x64_sys_exit_group+0x3b/0x40
[ 178.673425][ C0] do_syscall_64+0x4c/0xa0
[ 178.673440][ C0] ? clear_bhb_loop+0x30/0x80
[ 178.673454][ C0] ? clear_bhb_loop+0x30/0x80
[ 178.673469][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 178.673485][ C0] RIP: 0033:0x7f289fa1bcc5
[ 178.673498][ C0] Code: Unable to access opcode bytes at RIP 0x7f289fa1bc9b.
[ 178.673504][ C0] RSP: 002b:00007fff75dfe518 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7
[ 178.673519][ C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f289fa1bcc5
[ 178.673529][ C0] RDX: 00000000000000e7 RSI: ffffffffffffffd8 RDI: 0000000000000000
[ 178.673539][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000009
[ 178.673548][ C0] R10: ffffffffffffffff R11: 0000000000000206 R12: 0000000000000000
[ 178.673557][ C0] R13: 00007f289fab5100 R14: 00007f289fab73a8 R15: 00007f289fab73c0
[ 178.673575][ C0]
[ 178.673581][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.512 msecs
[ 178.814946][ T21] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10564 jiffies s: 493 root: 0x1/.
[ 179.254583][ T21] rcu: blocking rcu_node structures (internal RCU debug):
[ 179.261780][ T21] Task dump for CPU 0:
[ 179.265923][ T21] task:syz-executor239 state:R running task stack:26768 pid: 4196 ppid: 4191 flags:0x00000008
[ 179.277123][ T21] Call Trace:
[ 179.280427][ T21]
[ 179.283461][ T21] ? __rcu_read_unlock+0x78/0xd0
[ 179.288454][ T21] ? __unlock_page_memcg+0xea/0x100
[ 179.293718][ T21] ? unmap_page_range+0xf96/0x2500
[ 179.298890][ T21] ? unmap_vmas+0x131/0x250
[ 179.303443][ T21] ? unmap_page_range+0x2500/0x2500
[ 179.308665][ T21] ? __mutex_lock_common+0x465/0x2400
[ 179.314126][ T21] ? exit_mmap+0x3b9/0x640
[ 179.318596][ T21] ? vm_brk+0x20/0x20
[ 179.322637][ T21] ? uprobe_clear_state+0x2f6/0x460
[ 179.327935][ T21] ? mm_update_next_owner+0x522/0x640
[ 179.333388][ T21] ? __mmput+0x115/0x3b0
[ 179.337689][ T21] ? exit_mm+0x588/0x6e0
[ 179.341960][ T21] ? xacct_add_tsk+0x4a0/0x4a0
[ 179.346789][ T21] ? do_exit+0x20c0/0x20c0
[ 179.351234][ T21] ? __ia32_sys_timer_delete+0x40/0x40
[ 179.356747][ T21] ? hrtimer_try_to_cancel+0x3c9/0x410
[ 179.362234][ T21] ? taskstats_exit+0x439/0xab0
[ 179.367166][ T21] ? tty_audit_exit+0x14e/0x1f0
[ 179.372048][ T21] ? do_exit+0x5a9/0x20c0
[ 179.376431][ T21] ? perf_trace_preemptirq_template+0x2aa/0x360
[ 179.382711][ T21] ? put_task_struct+0x80/0x80
[ 179.387554][ T21] ? rcu_nmi_exit+0x6f/0xf0
[ 179.392096][ T21] ? lock_chain_count+0x20/0x20
[ 179.397017][ T21] ? do_group_exit+0x12e/0x300
[ 179.401810][ T21] ? __x64_sys_exit_group+0x3b/0x40
[ 179.407059][ T21] ? do_syscall_64+0x4c/0xa0
[ 179.411673][ T21] ? clear_bhb_loop+0x30/0x80
[ 179.416416][ T21] ? clear_bhb_loop+0x30/0x80
[ 179.421128][ T21] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 179.427255][ T21]