Warning: Permanently added '10.128.0.14' (ED25519) to the list of known hosts.
executing program
executing program
executing program
executing program
[ 168.683166][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 168.690259][ C1] rcu: (detected by 1, t=10502 jiffies, g=6713, q=187 ncpus=2)
[ 168.697895][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294953969-4294943467), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 168.711273][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g6713 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 168.722383][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 168.732353][ C1] rcu: RCU grace-period kthread stack dump:
[ 168.738238][ C1] task:rcu_preempt state:R running task stack:27976 pid:17 ppid:2 flags:0x00004000
[ 168.749098][ C1] Call Trace:
[ 168.752383][ C1]
[ 168.755333][ C1] __schedule+0x14d2/0x44d0
[ 168.759879][ C1] ? _raw_spin_unlock_irqrestore+0x86/0x110
[ 168.765786][ C1] ? lockdep_hardirqs_on+0x98/0x150
[ 168.770996][ C1] ? _raw_spin_unlock_irqrestore+0xae/0x110
[ 168.776924][ C1] ? asan.module_dtor+0x20/0x20
[ 168.781998][ C1] ? enqueue_timer+0x225/0x530
[ 168.786776][ C1] ? __mod_timer+0x984/0xdb0
[ 168.791387][ C1] schedule+0xbd/0x170
[ 168.795469][ C1] schedule_timeout+0x160/0x280
[ 168.800333][ C1] ? console_conditional_schedule+0x40/0x40
[ 168.806239][ C1] ? update_process_times+0x1b0/0x1b0
[ 168.811629][ C1] ? prepare_to_swait_event+0x339/0x360
[ 168.817189][ C1] rcu_gp_fqs_loop+0x302/0x1560
[ 168.822057][ C1] ? rcu_gp_init+0x110e/0x1510
[ 168.826839][ C1] ? rcu_gp_kthread+0x380/0x380
[ 168.831706][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x760
[ 168.837699][ C1] ? rcu_gp_init+0x1510/0x1510
[ 168.842478][ C1] ? rcu_gp_cleanup+0xb4c/0xca0
[ 168.847352][ C1] ? _raw_spin_unlock_irq+0x23/0x50
[ 168.852563][ C1] ? lockdep_hardirqs_on+0x98/0x150
[ 168.857778][ C1] rcu_gp_kthread+0x99/0x380
[ 168.862408][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 168.867559][ C1] ? __kthread_parkme+0x7a/0x1c0
[ 168.872532][ C1] ? __kthread_parkme+0x162/0x1c0
[ 168.877581][ C1] kthread+0x2fa/0x390
[ 168.881670][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 168.886807][ C1] ? kthread_blkcg+0xd0/0xd0
[ 168.891430][ C1] ret_from_fork+0x48/0x80
[ 168.895859][ C1] ? kthread_blkcg+0xd0/0xd0
[ 168.900457][ C1] ret_from_fork_asm+0x11/0x20
[ 168.905249][ C1]
[ 168.908284][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 168.914624][ C1] CPU: 1 PID: 5790 Comm: syz-executor330 Not tainted 6.6.102-syzkaller #0
[ 168.923133][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 168.933200][ C1] RIP: 0010:lock_acquire+0x1f2/0x410
[ 168.938501][ C1] Code: 00 9c 8f 84 24 80 00 00 00 f6 84 24 81 00 00 00 02 0f 85 f5 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 3c 00 00 00 00 66 43 c7 44 3c 09 00 00 43 c6 44 3c 0b 00
[ 168.958150][ C1] RSP: 0018:ffffc90004457a80 EFLAGS: 00000206
[ 168.964241][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 50a67d818a7f5d00
[ 168.972223][ C1] RDX: 0000000000000000 RSI: ffffffff8aaacb40 RDI: ffffffff8afc66c0
[ 168.980204][ C1] RBP: ffffc90004457b88 R08: dffffc0000000000 R09: 1ffffffff21b46a6
[ 168.988182][ C1] R10: dffffc0000000000 R11: fffffbfff21b46a7 R12: 1ffff9200088af5c
[ 168.996164][ C1] R13: ffff88801d39a7a0 R14: 0000000000000246 R15: dffffc0000000000
[ 169.004148][ C1] FS: 00007fd9fa2e46c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[ 169.013086][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 169.019683][ C1] CR2: 00007fd9fa2e3e40 CR3: 0000000072703000 CR4: 00000000003506e0
[ 169.027665][ C1] Call Trace:
[ 169.030950][ C1]
[ 169.033894][ C1] ? __might_sleep+0xe0/0xe0
[ 169.038498][ C1] ? read_lock_is_recursive+0x20/0x20
[ 169.043889][ C1] ? do_raw_spin_lock+0x121/0x2c0
[ 169.048924][ C1] ? __might_fault+0xaa/0x120
[ 169.053608][ C1] __might_fault+0xc6/0x120
[ 169.058133][ C1] ? __might_fault+0xaa/0x120
[ 169.062828][ C1] _copy_from_user+0x2a/0xe0
[ 169.067435][ C1] restore_altstack+0x9e/0x4a0
[ 169.072213][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x760
[ 169.078212][ C1] ? __ia32_sys_sigaltstack+0x270/0x270
[ 169.083778][ C1] ? _raw_spin_unlock_irq+0x23/0x50
[ 169.088993][ C1] ? lockdep_hardirqs_on+0x98/0x150
[ 169.094211][ C1] __ia32_sys_rt_sigreturn+0x1f6/0x7b0
[ 169.099688][ C1] ? lockdep_hardirqs_on+0x98/0x150
[ 169.104901][ C1] ? _raw_spin_unlock_irq+0x2e/0x50
[ 169.110109][ C1] ? x64_setup_rt_frame+0xcd0/0xcd0
[ 169.115341][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x760
[ 169.121341][ C1] ? lock_chain_count+0x20/0x20
[ 169.126215][ C1] ? lockdep_hardirqs_on+0x98/0x150
[ 169.131433][ C1] do_syscall_64+0x55/0xb0
[ 169.135863][ C1] ? clear_bhb_loop+0x40/0x90
[ 169.140549][ C1] ? clear_bhb_loop+0x40/0x90
[ 169.145234][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 169.151143][ C1] RIP: 0033:0x7fd9fa33aa19
[ 169.155583][ C1] Code: 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 04 25
[ 169.175199][ C1] RSP: 002b:00007fd9fa2e3c80 EFLAGS: 00000202 ORIG_RAX: 000000000000000f
[ 169.183631][ C1] RAX: ffffffffffffffda RBX: 00007fd9fa3ad308 RCX: 00007fd9fa33aa19
[ 169.191610][ C1] RDX: 00007fd9fa2e3c80 RSI: 00007fd9fa2e3db0 RDI: 0000000000000021
[ 169.199587][ C1] RBP: 00007fd9fa3ad300 R08: 0000000000000000 R09: 0000000000000000
[ 169.207564][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000200000000140
[ 169.215542][ C1] R13: 000020000006b000 R14: 0000200000000100 R15: 0000200000000680
[ 169.223534][ C1]