Warning: Permanently added '10.128.1.249' (ED25519) to the list of known hosts.
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[ 166.494219][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 166.501265][ C1] rcu: 0-....: (1 GPs behind) idle=cdd/1/0x4000000000000002 softirq=4784/4785 fqs=5250
[ 166.511481][ C1] (detected by 1, t=10502 jiffies, g=4145, q=52)
[ 166.517895][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 166.523096][ C0] NMI backtrace for cpu 0
[ 166.523125][ C0] CPU: 0 PID: 4203 Comm: syz-executor267 Not tainted syzkaller #0
[ 166.523139][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 166.523152][ C0] RIP: 0010:lock_release+0xb3/0x870
[ 166.523185][ C0] Code: 83 fb 08 0f 83 2e 05 00 00 89 d8 c1 e8 06 48 8d 3c c5 a8 35 69 8d be 08 00 00 00 e8 17 ba 5f 00 89 d8 48 0f a3 05 75 b9 0c 0c <73> 0d e8 f6 34 07 00 84 c0 0f 84 34 05 00 00 48 c7 c0 44 69 69 8d
[ 166.523196][ C0] RSP: 0018:ffffc90002e7efe0 EFLAGS: 00000057
[ 166.523208][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff815c7c29
[ 166.523217][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8d6935a8
[ 166.523226][ C0] RBP: ffffc90002e7f0f0 R08: dffffc0000000000 R09: fffffbfff1ad26b6
[ 166.523236][ C0] R10: fffffbfff1ad26b6 R11: 1ffffffff1ad26b5 R12: 00000000ffffffe4
[ 166.523245][ C0] R13: dffffc0000000000 R14: ffffc90002e7f140 R15: 1ffff920005cfe08
[ 166.523255][ C0] FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[ 166.523267][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 166.523276][ C0] CR2: 00007f5f827bbd38 CR3: 00000000707a2000 CR4: 00000000003506f0
[ 166.523289][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 166.523296][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 166.523305][ C0] Call Trace:
[ 166.523310][ C0]
[ 166.523318][ C0] ? perf_prepare_sample+0x1680/0x1cb0
[ 166.523332][ C0] ? rcu_lock_release+0x9/0x20
[ 166.523347][ C0] ? __lock_acquire+0x7c60/0x7c60
[ 166.523361][ C0] ? perf_callchain+0x190/0x190
[ 166.523377][ C0] perf_event_output_forward+0x222/0x280
[ 166.523392][ C0] ? perf_get_page_size+0x420/0x420
[ 166.523406][ C0] ? tracing_gen_ctx_irq_test+0xb3/0x130
[ 166.523423][ C0] ? __perf_event_account_interrupt+0x187/0x280
[ 166.523444][ C0] __perf_event_overflow+0x364/0x530
[ 166.523460][ C0] perf_tp_event+0x32c/0xb50
[ 166.523473][ C0] ? __perf_event_account_interrupt+0x187/0x280
[ 166.523486][ C0] ? perf_trace_run_bpf_submit+0x1c0/0x1c0
[ 166.523499][ C0] ? __perf_event_overflow+0x415/0x530
[ 166.523529][ C0] ? update_load_avg+0xbea/0x1130
[ 166.523546][ C0] perf_trace_run_bpf_submit+0xf3/0x1c0
[ 166.523561][ C0] perf_trace_preemptirq_template+0x2be/0x380
[ 166.523577][ C0] ? asm_sysvec_irq_work+0x16/0x20
[ 166.523597][ C0] ? trace_event_raw_event_preemptirq_template+0x270/0x270
[ 166.523610][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 166.523626][ C0] ? lock_chain_count+0x20/0x20
[ 166.523642][ C0] ? asm_sysvec_irq_work+0x16/0x20
[ 166.523655][ C0] trace_irq_enable_rcuidle+0x108/0x180
[ 166.523670][ C0] trace_hardirqs_on+0x57/0x80
[ 166.523682][ C0] asm_sysvec_irq_work+0x16/0x20
[ 166.523695][ C0] RIP: 0010:rcu_read_unlock_special+0x84/0x480
[ 166.523710][ C0] Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 ed 11 9e 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
[ 166.523721][ C0] RSP: 0018:ffffc90002e7f760 EFLAGS: 00000206
[ 166.523731][ C0] RAX: 36c22fe0572f7500 RBX: 1ffff920005cfef0 RCX: 36c22fe0572f7500
[ 166.523741][ C0] RDX: dffffc0000000000 RSI: ffffffff8a0b1be0 RDI: ffffffff8a59e800
[ 166.523751][ C0] RBP: ffffc90002e7f830 R08: dffffc0000000000 R09: fffffbfff1ff5419
[ 166.523761][ C0] R10: fffffbfff1ff5419 R11: 1ffffffff1ff5418 R12: ffffffff8c120c00
[ 166.523770][ C0] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
[ 166.523788][ C0] ? __rcu_read_unlock+0xd0/0xd0
[ 166.523800][ C0] ? rcu_lock_acquire+0x30/0x30
[ 166.523814][ C0] ? __lock_acquire+0x7c60/0x7c60
[ 166.523830][ C0] __rcu_read_unlock+0x78/0xd0
[ 166.523843][ C0] __unlock_page_memcg+0xea/0x100
[ 166.523859][ C0] unmap_page_range+0xfbc/0x2520
[ 166.523879][ C0] ? uprobe_munmap+0x165/0x3f0
[ 166.523898][ C0] unmap_vmas+0x11b/0x230
[ 166.523909][ C0] ? uprobe_clear_state+0x4f/0x460
[ 166.523921][ C0] ? unmap_page_range+0x2520/0x2520
[ 166.523932][ C0] ? __mutex_lock_common+0x431/0x2390
[ 166.523951][ C0] ? memset+0x1e/0x40
[ 166.523966][ C0] exit_mmap+0x38f/0x5f0
[ 166.523981][ C0] ? vm_brk+0x20/0x20
[ 166.524000][ C0] ? uprobe_clear_state+0x2f6/0x460
[ 166.524012][ C0] ? mm_update_next_owner+0x522/0x640
[ 166.524029][ C0] __mmput+0x115/0x3b0
[ 166.524042][ C0] exit_mm+0x567/0x6c0
[ 166.524056][ C0] ? xacct_add_tsk+0x4b0/0x4b0
[ 166.524071][ C0] ? do_exit+0x20a0/0x20a0
[ 166.524085][ C0] ? taskstats_exit+0x439/0xab0
[ 166.524100][ C0] ? tty_audit_exit+0x14e/0x1f0
[ 166.524115][ C0] do_exit+0x5a1/0x20a0
[ 166.524131][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 166.524145][ C0] ? put_task_struct+0x80/0x80
[ 166.524159][ C0] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 166.524174][ C0] ? preempt_schedule_thunk+0x16/0x18
[ 166.524193][ C0] do_group_exit+0x12e/0x300
[ 166.524209][ C0] __x64_sys_exit_group+0x3b/0x40
[ 166.524223][ C0] do_syscall_64+0x4c/0xa0
[ 166.524235][ C0] ? clear_bhb_loop+0x30/0x80
[ 166.524248][ C0] ? clear_bhb_loop+0x30/0x80
[ 166.524261][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 166.524275][ C0] RIP: 0033:0x7f5f82763739
[ 166.524285][ C0] Code: Unable to access opcode bytes at RIP 0x7f5f8276370f.
[ 166.524292][ C0] RSP: 002b:00007ffef4305648 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 166.524305][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5f82763739
[ 166.524314][ C0] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 166.524321][ C0] RBP: 00007f5f827ef2b0 R08: ffffffffffffffb0 R09: 00007ffef43056d0
[ 166.524331][ C0] R10: 00007ffef43056d0 R11: 0000000000000246 R12: 00007f5f827ef2b0
[ 166.524340][ C0] R13: 0000000000000000 R14: 00007f5f827efe40 R15: 00007f5f827314a0
[ 166.524355][ C0]
[ 168.584316][ T21] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10712 jiffies s: 481 root: 0x1/.
[ 168.596654][ T21] rcu: blocking rcu_node structures (internal RCU debug):
[ 168.603783][ T21] Task dump for CPU 0:
[ 168.607932][ T21] task:syz-executor267 state:R running task stack:26848 pid: 4203 ppid: 4190 flags:0x0000400a
[ 168.618779][ T21] Call Trace:
[ 168.622055][ T21]
[ 168.625041][ T21] ? uprobe_clear_state+0x2f6/0x460
[ 168.630243][ T21] ? mm_update_next_owner+0x522/0x640
[ 168.635652][ T21] ? __mmput+0x115/0x3b0
[ 168.639894][ T21] ? exit_mm+0x567/0x6c0
[ 168.644135][ T21] ? xacct_add_tsk+0x4b0/0x4b0
[ 168.648968][ T21] ? do_exit+0x20a0/0x20a0
[ 168.653388][ T21] ? taskstats_exit+0x439/0xab0
[ 168.658270][ T21] ? tty_audit_exit+0x14e/0x1f0
[ 168.663130][ T21] ? do_exit+0x5a1/0x20a0
[ 168.667514][ T21] ? lockdep_hardirqs_on+0x94/0x140
[ 168.672711][ T21] ? put_task_struct+0x80/0x80
[ 168.677521][ T21] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 168.683686][ T21] ? preempt_schedule_thunk+0x16/0x18
[ 168.689120][ T21] ? do_group_exit+0x12e/0x300
[ 168.693887][ T21] ? __x64_sys_exit_group+0x3b/0x40
[ 168.699125][ T21] ? do_syscall_64+0x4c/0xa0
[ 168.703712][ T21] ? clear_bhb_loop+0x30/0x80
[ 168.708468][ T21] ? clear_bhb_loop+0x30/0x80
[ 168.713150][ T21] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 168.719259][ T21]