Warning: Permanently added '10.128.0.8' (ED25519) to the list of known hosts. executing program executing program executing program [ 190.354056][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 190.361199][ C1] (detected by 1, t=10502 jiffies, g=7089, q=56 ncpus=2) [ 190.368340][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294956162-4294945660), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 190.381734][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g7089 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 190.392872][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 190.402858][ C1] rcu: RCU grace-period kthread stack dump: [ 190.408785][ C1] task:rcu_preempt state:R running task stack:26712 pid:16 ppid:2 flags:0x00004000 [ 190.419610][ C1] Call Trace: [ 190.422918][ C1] [ 190.425879][ C1] __schedule+0x143f/0x4570 [ 190.430448][ C1] ? _raw_spin_unlock+0x40/0x40 [ 190.435343][ C1] ? __mod_timer+0x956/0xee0 [ 190.439970][ C1] ? release_firmware_map_entry+0x186/0x186 [ 190.445891][ C1] ? lockdep_softirqs_off+0x420/0x420 [ 190.451296][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 190.457224][ C1] ? _raw_spin_unlock+0x40/0x40 [ 190.462115][ C1] schedule+0xbf/0x180 [ 190.466218][ C1] schedule_timeout+0x1b9/0x300 [ 190.471104][ C1] ? console_conditional_schedule+0x40/0x40 [ 190.477043][ C1] ? update_process_times+0x1b0/0x1b0 [ 190.482448][ C1] ? prepare_to_swait_event+0x329/0x350 [ 190.488032][ C1] rcu_gp_fqs_loop+0x2d2/0x1150 [ 190.492927][ C1] ? lockdep_hardirqs_on+0x94/0x130 [ 190.498155][ C1] ? rcu_gp_init+0x15f0/0x15f0 [ 190.502953][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 190.508887][ C1] ? finish_swait+0xcf/0x1e0 [ 190.513530][ C1] rcu_gp_kthread+0xa3/0x3b0 [ 190.518153][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 190.523291][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 190.529224][ C1] ? __kthread_parkme+0x168/0x1c0 [ 190.534290][ C1] kthread+0x28d/0x320 [ 190.538381][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 190.543522][ C1] ? kthread_blkcg+0xd0/0xd0 [ 190.548140][ C1] ret_from_fork+0x1f/0x30 [ 190.552604][ C1] [ 190.555659][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 190.562007][ C1] Sending NMI from CPU 1 to CPUs 0: [ 190.567256][ C0] NMI backtrace for cpu 0 [ 190.567278][ C0] CPU: 0 PID: 4250 Comm: syz-executor366 Not tainted 6.1.115-syzkaller #0 [ 190.567296][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 190.567306][ C0] RIP: 0010:__lock_acquire+0xee4/0x1f80 [ 190.567337][ C0] Code: 31 e9 44 01 f8 41 29 cf 89 ca c1 c2 06 44 31 fa 01 c1 29 d0 89 d6 c1 c6 08 31 c6 01 ca 29 f1 89 f3 c1 c3 10 31 cb 01 d6 29 da <89> dd c1 c5 13 31 d5 01 f3 29 ee 01 eb c1 c5 04 31 f5 48 c1 e5 20 [ 190.567355][ C0] RSP: 0018:ffffc90000007b40 EFLAGS: 00000006 [ 190.567371][ C0] RAX: 0000000000105208 RBX: 00000000b4b5f500 RCX: 0000000010421abd [ 190.567383][ C0] RDX: 000000004b3978aa RSI: 00000000efad12a1 RDI: dffffc0000000000 [ 190.567395][ C0] RBP: 0000000000004049 R08: dffffc0000000000 R09: fffffbfff224604e [ 190.567408][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880256aa898 [ 190.567420][ C0] R13: 0000000000000001 R14: ffff8880256aa8c0 R15: 0000000000004049 [ 190.567431][ C0] FS: 00007f8cf9f1d6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 190.567447][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 190.567459][ C0] CR2: 00007f8cf9f1ce40 CR3: 000000001d24a000 CR4: 00000000003506f0 [ 190.567474][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 190.567484][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 190.567495][ C0] Call Trace: [ 190.567501][ C0] [ 190.567508][ C0] ? nmi_cpu_backtrace+0x3de/0x560 [ 190.567526][ C0] ? read_lock_is_recursive+0x10/0x10 [ 190.567553][ C0] ? nmi_trigger_cpumask_backtrace+0x3f0/0x3f0 [ 190.567578][ C0] ? nmi_cpu_backtrace_handler+0x8/0x10 [ 190.567609][ C0] ? nmi_handle+0x12e/0x440 [ 190.567636][ C0] ? nmi_handle+0x25/0x440 [ 190.567662][ C0] ? __lock_acquire+0xee4/0x1f80 [ 190.567686][ C0] ? default_do_nmi+0x62/0x150 [ 190.567705][ C0] ? exc_nmi+0xa8/0x100 [ 190.567722][ C0] ? end_repeat_nmi+0x16/0x31 [ 190.567742][ C0] ? __lock_acquire+0xee4/0x1f80 [ 190.567767][ C0] ? __lock_acquire+0xee4/0x1f80 [ 190.567793][ C0] ? __lock_acquire+0xee4/0x1f80 [ 190.567817][ C0] [ 190.567822][ C0] [ 190.567833][ C0] lock_acquire+0x1f8/0x5a0 [ 190.567857][ C0] ? ktime_get+0x7f/0x270 [ 190.567881][ C0] ? read_lock_is_recursive+0x10/0x10 [ 190.567906][ C0] ? ktime_get+0x31/0x270 [ 190.567927][ C0] ? __lock_acquire+0x1f80/0x1f80 [ 190.567955][ C0] ? hrtimer_interrupt+0x53c/0x980 [ 190.567980][ C0] ? ktime_get+0x7f/0x270 [ 190.568001][ C0] seqcount_lockdep_reader_access+0xf8/0x220 [ 190.568024][ C0] ? ktime_get+0x7f/0x270 [ 190.568044][ C0] ? ktime_get_real_ts64+0x460/0x460 [ 190.568067][ C0] ? do_raw_spin_unlock+0x137/0x8a0 [ 190.568088][ C0] ktime_get+0x7f/0x270 [ 190.568110][ C0] clockevents_program_event+0xe1/0x310 [ 190.568136][ C0] hrtimer_interrupt+0x546/0x980 [ 190.568165][ C0] __sysvec_apic_timer_interrupt+0x158/0x5b0 [ 190.568191][ C0] sysvec_apic_timer_interrupt+0x9b/0xc0 [ 190.568212][ C0] [ 190.568217][ C0] [ 190.568222][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 190.568248][ C0] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 190.568272][ C0] Code: 91 9b f5 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 2e 27 b9 f6 48 89 df e8 26 65 ba f6 e8 21 bc df f6 fb bf 01 00 00 00 26 ef ac f6 65 8b 05 87 d7 50 75 85 c0 74 02 5b c3 e8 34 fb 4e [ 190.568285][ C0] RSP: 0018:ffffc90003cafb30 EFLAGS: 00000286 [ 190.568298][ C0] RAX: 416dc8744a541d00 RBX: ffff88802fc08000 RCX: ffffffff97337103 [ 190.568311][ C0] RDX: dffffc0000000000 RSI: ffffffff8b0c02c0 RDI: 0000000000000001 [ 190.568323][ C0] RBP: ffffc90003cafc70 R08: dffffc0000000000 R09: ffffed1005f81001 [ 190.568336][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11005f81093 [ 190.568347][ C0] R13: 000000001c000004 R14: 0000000000000021 R15: ffff88802fc08498 [ 190.568366][ C0] get_signal+0x154b/0x17d0 [ 190.568397][ C0] ? ptrace_notify+0x370/0x370 [ 190.568426][ C0] arch_do_signal_or_restart+0xb0/0x1a10 [ 190.568446][ C0] ? __might_fault+0xa1/0x110 [ 190.568468][ C0] ? __lock_acquire+0x1f80/0x1f80 [ 190.568495][ C0] ? do_sigaltstack+0x3f3/0x610 [ 190.568515][ C0] ? get_sigframe_size+0x10/0x10 [ 190.568533][ C0] ? restore_altstack+0x107/0x150 [ 190.568552][ C0] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 190.568582][ C0] ? exit_to_user_mode_loop+0x39/0x100 [ 190.568599][ C0] exit_to_user_mode_loop+0x6a/0x100 [ 190.568616][ C0] exit_to_user_mode_prepare+0xb1/0x140 [ 190.568633][ C0] syscall_exit_to_user_mode+0x60/0x270 [ 190.568656][ C0] do_syscall_64+0x47/0xb0 [ 190.568672][ C0] ? clear_bhb_loop+0x45/0xa0 [ 190.568687][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 190.568712][ C0] RIP: 0033:0x7f8cf9f5c417 [ 190.568733][ C0] Code: 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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 b0 ff ff ff f7 d8 64 89 [ 190.568746][ C0] RSP: 002b:00007f8cf9f1d238 EFLAGS: 00000246 [ 190.568759][ C0] RAX: 00000000000000ca RBX: 00007f8cf9fe6308 RCX: 00007f8cf9f5c419 [ 190.568771][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f8cf9fe6308 [ 190.568782][ C0] RBP: 00007f8cf9fe6300 R08: 00007f8cf9f1d6c0 R09: 00007f8cf9f1d6c0 [ 190.568794][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8cf9fe630c [ 190.568804][ C0] R13: 0000000000000000 R14: 00007fff9f09c530 R15: 00007fff9f09c618 [ 190.568827][ C0] [ 190.568837][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.583 msecs