Warning: Permanently added '10.128.1.195' (ED25519) to the list of known hosts.
executing program
[ 171.599899][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 171.607090][ C1] (detected by 1, t=10502 jiffies, g=5617, q=3)
[ 171.613453][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294954277-4294943774), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 171.626848][ C1] rcu: rcu_preempt kthread starved for 10504 jiffies! g5617 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 171.637992][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 171.647992][ C1] rcu: RCU grace-period kthread stack dump:
[ 171.653929][ C1] task:rcu_preempt state:R running task stack:27496 pid: 15 ppid: 2 flags:0x00004000
[ 171.664763][ C1] Call Trace:
[ 171.668087][ C1]
[ 171.671055][ C1] __schedule+0x11bb/0x4390
[ 171.675713][ C1] ? _raw_spin_lock_irqsave+0x7f/0xf0
[ 171.681217][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 171.687153][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 171.693088][ C1] ? _raw_spin_unlock+0x40/0x40
[ 171.697983][ C1] ? rcu_is_watching+0x11/0xa0
[ 171.702779][ C1] ? release_firmware_map_entry+0x190/0x190
[ 171.708730][ C1] schedule+0x11b/0x1e0
[ 171.712954][ C1] schedule_timeout+0x15c/0x280
[ 171.717852][ C1] ? console_conditional_schedule+0x40/0x40
[ 171.723795][ C1] ? update_process_times+0x200/0x200
[ 171.729241][ C1] ? prepare_to_swait_event+0x331/0x350
[ 171.734847][ C1] rcu_gp_fqs_loop+0x29e/0x11b0
[ 171.739748][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 171.744987][ C1] ? rcu_gp_init+0xd58/0x10e0
[ 171.749698][ C1] ? rcu_gp_init+0x10e0/0x10e0
[ 171.754499][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 171.759743][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 171.764985][ C1] rcu_gp_kthread+0x98/0x350
[ 171.769643][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 171.774794][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 171.780728][ C1] ? __kthread_parkme+0x157/0x1b0
[ 171.785798][ C1] kthread+0x436/0x520
[ 171.789917][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 171.795106][ C1] ? kthread_blkcg+0xd0/0xd0
[ 171.799733][ C1] ret_from_fork+0x1f/0x30
[ 171.804197][ C1]
[ 171.807251][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 171.813602][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 171.818833][ C0] NMI backtrace for cpu 0
[ 171.818856][ C0] CPU: 0 PID: 4206 Comm: syz-executor249 Not tainted syzkaller #0
[ 171.818873][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 171.818886][ C0] RIP: 0010:send_sigqueue+0x406/0x620
[ 171.818907][ C0] Code: 89 ee 8b 5c 24 04 89 da e8 c7 0c 00 00 45 31 f6 31 ed 31 ff 89 de e8 d9 40 2d 00 31 c9 85 db 0f 95 c1 44 89 e7 48 8b 74 24 18 <4c> 89 ea 45 89 f0 e8 bf 16 00 00 49 81 c5 28 09 00 00 4c 89 e8 48
[ 171.818925][ C0] RSP: 0018:ffffc90000007c60 EFLAGS: 00000002
[ 171.818940][ C0] RAX: ffffffff814a8e97 RBX: 0000000000000001 RCX: 0000000000000001
[ 171.818951][ C0] RDX: 0000000000010000 RSI: ffff88801e68ca28 RDI: 0000000000000021
[ 171.818977][ C0] RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed1003471001
[ 171.818988][ C0] R10: ffffed1003471001 R11: 1ffff11003471000 R12: 0000000000000021
[ 171.819000][ C0] R13: ffff88801a388000 R14: 0000000000000000 R15: dffffc0000000000
[ 171.819011][ C0] FS: 00005555858f0480(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[ 171.819026][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 171.819038][ C0] CR2: 000020000006b000 CR3: 000000007953d000 CR4: 00000000003506f0
[ 171.819053][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 171.819062][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 171.819073][ C0] Call Trace:
[ 171.819079][ C0]
[ 171.819089][ C0] posix_timer_fn+0x16a/0x3d0
[ 171.819111][ C0] __hrtimer_run_queues+0x53d/0xc40
[ 171.819135][ C0] ? common_timer_wait_running+0x10/0x10
[ 171.819158][ C0] ? hrtimer_interrupt+0x8d0/0x8d0
[ 171.819176][ C0] ? ktime_get_update_offsets_now+0x3ce/0x3e0
[ 171.819196][ C0] hrtimer_interrupt+0x3bb/0x8d0
[ 171.819227][ C0] __sysvec_apic_timer_interrupt+0x137/0x4a0
[ 171.819246][ C0] sysvec_apic_timer_interrupt+0x9b/0xc0
[ 171.819267][ C0]
[ 171.819272][ C0]
[ 171.819277][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 171.819297][ C0] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40
[ 171.819314][ C0] Code: f6 ff 0f 1f 00 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 be 2b b1 f7 48 89 df e8 86 00 b2 f7 e8 21 9a d2 f7 fb bf 01 00 00 00 56 22 a6 f7 65 8b 05 e7 1f 57 76 85 c0 74 02 5b c3 e8 f4 2a 55
[ 171.819326][ C0] RSP: 0018:ffffc90002f5fbc0 EFLAGS: 00000282
[ 171.819339][ C0] RAX: 6f13a6ad2fa54100 RBX: ffff88802abbd340 RCX: 6f13a6ad2fa54100
[ 171.819352][ C0] RDX: dffffc0000000000 RSI: ffffffff8a0b1be0 RDI: 0000000000000001
[ 171.819363][ C0] RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed1005577a69
[ 171.819374][ C0] R10: ffffed1005577a69 R11: 1ffff11005577a68 R12: ffff88802abbd340
[ 171.819387][ C0] R13: 0000000000000021 R14: dffffc0000000000 R15: 000000001c000004
[ 171.819406][ C0] get_signal+0x11d6/0x12c0
[ 171.819431][ C0] arch_do_signal_or_restart+0xc1/0x1300
[ 171.819451][ C0] ? _copy_from_user+0x111/0x170
[ 171.819469][ C0] ? __ia32_sys_rt_sigreturn+0x660/0x790
[ 171.819491][ C0] ? load_gs_index+0x120/0x120
[ 171.819510][ C0] ? get_sigframe_size+0x10/0x10
[ 171.819539][ C0] ? exit_to_user_mode_loop+0x3b/0x130
[ 171.819560][ C0] exit_to_user_mode_loop+0x9e/0x130
[ 171.819580][ C0] exit_to_user_mode_prepare+0xee/0x180
[ 171.819599][ C0] syscall_exit_to_user_mode+0x16/0x40
[ 171.819618][ C0] do_syscall_64+0x58/0xa0
[ 171.819634][ C0] ? clear_bhb_loop+0x30/0x80
[ 171.819650][ C0] ? clear_bhb_loop+0x30/0x80
[ 171.819667][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 171.819684][ C0] RIP: 0033:0x7fd576274167
[ 171.819699][ C0] Code: 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 80 3d 11 9f 08 00 00 <74> 17 b8 03 00 00 00 0f 05 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00
[ 171.819712][ C0] RSP: 002b:00007ffced501028 EFLAGS: 00000246
[ 171.819724][ C0] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007fd576275119
[ 171.819734][ C0] RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000003
[ 171.819744][ C0] RBP: 0000000000000000 R08: 00007fd5762d233c R09: 00007fd5762d233c
[ 171.819755][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd5762d233c
[ 171.819765][ C0] R13: 00007fd5762cc106 R14: 00007ffced501060 R15: 0000000000000000
[ 171.819784][ C0]