Warning: Permanently added '10.128.0.247' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 210.803975][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 210.811012][ C1] (detected by 1, t=10503 jiffies, g=7089, q=156) [ 210.817653][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294958193-4294947690), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 210.831036][ C1] rcu: rcu_preempt kthread starved for 10503 jiffies! g7089 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 210.842184][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 210.852423][ C1] rcu: RCU grace-period kthread stack dump: [ 210.858317][ C1] task:rcu_preempt state:R running task stack:27792 pid: 15 ppid: 2 flags:0x00004000 [ 210.869307][ C1] Call Trace: [ 210.872596][ C1] [ 210.875545][ C1] __schedule+0x11ef/0x43c0 [ 210.880113][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 210.885332][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 210.891236][ C1] ? _raw_spin_unlock+0x40/0x40 [ 210.896105][ C1] ? release_firmware_map_entry+0x190/0x190 [ 210.902112][ C1] ? __mod_timer+0x91e/0xd00 [ 210.906723][ C1] schedule+0x11b/0x1e0 [ 210.910894][ C1] schedule_timeout+0x184/0x2d0 [ 210.915761][ C1] ? console_conditional_schedule+0x40/0x40 [ 210.921675][ C1] ? update_process_times+0x200/0x200 [ 210.927071][ C1] ? prepare_to_swait_event+0x331/0x350 [ 210.932636][ C1] rcu_gp_fqs_loop+0x2be/0x11d0 [ 210.937504][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 210.942717][ C1] ? rcu_gp_init+0xd6c/0x10f0 [ 210.947439][ C1] ? rcu_gp_init+0x10f0/0x10f0 [ 210.952228][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 210.957438][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 210.962738][ C1] rcu_gp_kthread+0x9b/0x370 [ 210.967352][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 210.973354][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 210.978579][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 210.984487][ C1] ? __kthread_parkme+0x157/0x1b0 [ 210.989551][ C1] kthread+0x436/0x520 [ 210.993637][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 210.998846][ C1] ? kthread_blkcg+0xd0/0xd0 [ 211.003449][ C1] ret_from_fork+0x1f/0x30 [ 211.008066][ C1] [ 211.011091][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 211.017430][ C1] Sending NMI from CPU 1 to CPUs 0: [ 211.022648][ C0] NMI backtrace for cpu 0 [ 211.022657][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 [ 211.022671][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 211.022678][ C0] RIP: 0010:kasan_check_range+0x84/0x290 [ 211.022697][ C0] Code: 49 c1 e9 03 4b 8d 1c 21 49 89 df 4d 29 df 49 83 ff 10 7f 29 4d 85 ff 0f 84 38 01 00 00 4c 89 cb 48 f7 d3 4c 01 f3 41 80 3b 00 <0f> 85 86 01 00 00 49 ff c3 48 ff c3 75 ee e9 18 01 00 00 44 89 dd [ 211.022709][ C0] RSP: 0018:ffffc900000072d0 EFLAGS: 00000046 [ 211.022722][ C0] RAX: 1ffff92000000e01 RBX: fffffffffffffff5 RCX: ffffffff8100f5ce [ 211.022733][ C0] RDX: 0000000000000001 RSI: 0000000000000060 RDI: ffffc90000007380 [ 211.022742][ C0] RBP: 0000000000000000 R08: ffffc900000073df R09: 1ffff92000000e7b [ 211.022752][ C0] R10: dffffc0000000000 R11: fffff52000000e71 R12: dffffc0000000001 [ 211.022762][ C0] R13: dffffc0000000000 R14: 1ffff92000000e70 R15: 000000000000000c [ 211.022772][ C0] FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 211.022784][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 211.022795][ C0] CR2: 00007f4639bb9640 CR3: 000000007bd54000 CR4: 00000000003506f0 [ 211.022810][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 211.022819][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 211.022828][ C0] Call Trace: [ 211.022833][ C0] [ 211.022839][ C0] memset+0x1e/0x40 [ 211.022855][ C0] perf_callchain_kernel+0x10e/0x720 [ 211.022874][ C0] ? arch_perf_update_userpage+0x3c0/0x3c0 [ 211.022895][ C0] ? get_callchain_entry+0x181/0x3b0 [ 211.022910][ C0] get_perf_callchain+0x356/0x460 [ 211.022925][ C0] ? put_callchain_entry+0xb0/0xb0 [ 211.022940][ C0] ? __perf_event_header__init_id+0x3f0/0x500 [ 211.022957][ C0] perf_prepare_sample+0x352/0x1cd0 [ 211.022974][ C0] ? perf_callchain+0x190/0x190 [ 211.022988][ C0] ? rcu_lock_release+0x9/0x20 [ 211.023006][ C0] perf_event_output_forward+0x185/0x2e0 [ 211.023021][ C0] ? perf_get_page_size+0x430/0x430 [ 211.023036][ C0] ? tracing_gen_ctx_irq_test+0xb3/0x130 [ 211.023054][ C0] ? __perf_event_account_interrupt+0x187/0x280 [ 211.023070][ C0] __perf_event_overflow+0x364/0x530 [ 211.023087][ C0] perf_tp_event+0x383/0xbf0 [ 211.023102][ C0] ? perf_trace_run_bpf_submit+0x1c0/0x1c0 [ 211.023117][ C0] ? perf_tp_event+0xa92/0xbf0 [ 211.023148][ C0] perf_trace_run_bpf_submit+0xf3/0x1c0 [ 211.023164][ C0] perf_trace_preemptirq_template+0x2aa/0x360 [ 211.023181][ C0] ? irqentry_exit+0x4b/0x70 [ 211.023195][ C0] ? trace_event_raw_event_preemptirq_template+0x290/0x290 [ 211.023212][ C0] ? __irq_exit_rcu+0x147/0x230 [ 211.023226][ C0] ? irq_exit_rcu+0x20/0x20 [ 211.023240][ C0] ? irqentry_exit+0x4b/0x70 [ 211.023255][ C0] trace_hardirqs_on_prepare+0x193/0x1f0 [ 211.023271][ C0] irqentry_exit+0x4b/0x70 [ 211.023284][ C0] asm_sysvec_irq_work+0x16/0x20 [ 211.023299][ C0] RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 [ 211.023314][ 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 12 f2 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 [ 211.023324][ C0] RSP: 0018:ffffc90000007c60 EFLAGS: 00000206 [ 211.023335][ C0] RAX: e4962531a80ff900 RBX: 1ffff92000000f90 RCX: e4962531a80ff900 [ 211.023345][ C0] RDX: dffffc0000000000 RSI: ffffffff8a2b2780 RDI: ffffffff8a79f980 [ 211.023355][ C0] RBP: ffffc90000007d28 R08: ffff8880b903b30b R09: 1ffff11017207661 [ 211.023365][ C0] R10: dffffc0000000000 R11: ffffed1017207662 R12: ffffffff8c322f00 [ 211.023375][ C0] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001 [ 211.023393][ C0] ? __rcu_read_unlock+0xd0/0xd0 [ 211.023411][ C0] __rcu_read_unlock+0x78/0xd0 [ 211.023426][ C0] rebalance_domains+0xa0a/0xb30 [ 211.023446][ C0] handle_softirqs+0x339/0x830 [ 211.023462][ C0] ? __irq_exit_rcu+0x13b/0x230 [ 211.023477][ C0] ? do_softirq+0x210/0x210 [ 211.023492][ C0] ? irqtime_account_irq+0xb2/0x1b0 [ 211.023508][ C0] __irq_exit_rcu+0x13b/0x230 [ 211.023521][ C0] ? irq_exit_rcu+0x20/0x20 [ 211.023546][ C0] irq_exit_rcu+0x5/0x20 [ 211.023558][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 211.023573][ C0] [ 211.023577][ C0] [ 211.023582][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 211.023596][ C0] RIP: 0010:default_idle+0xb/0x10 [ 211.023609][ C0] Code: b7 48 89 df e8 66 73 f8 f7 eb ad e8 4f af f6 ff 00 00 cc cc 00 00 cc cc 00 00 cc cc 00 00 cc 66 90 0f 00 2d 77 16 60 00 fb f4 0f 1f 40 00 41 57 41 56 53 49 be 00 00 00 00 00 fc ff df 65 48 [ 211.023619][ C0] RSP: 0018:ffffffff8c007dc8 EFLAGS: 000002c6 [ 211.023630][ C0] RAX: e4962531a80ff900 RBX: ffffffff8c0bc480 RCX: e4962531a80ff900 [ 211.023639][ C0] RDX: 0000000000000001 RSI: ffffffff8a2b2780 RDI: ffffffff8a79f980 [ 211.023649][ C0] RBP: ffffffff8c007ef8 R08: ffff8880b903b30b R09: 1ffff11017207661 [ 211.023658][ C0] R10: dffffc0000000000 R11: ffffed1017207662 R12: 1ffffffff1817890 [ 211.023668][ C0] R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffffffff1800fc4 [ 211.023684][ C0] default_idle_call+0x81/0xc0 [ 211.023697][ C0] do_idle+0x21f/0x580 [ 211.023714][ C0] ? idle_inject_timer_fn+0x60/0x60 [ 211.023730][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 211.023748][ C0] cpu_startup_entry+0x14/0x20 [ 211.023763][ C0] ? time_init+0x40/0x40 [ 211.023778][ C0] start_kernel+0x489/0x540 [ 211.023795][ C0] secondary_startup_64_no_verify+0xb1/0xbb [ 211.023817][ C0] [ 211.023823][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.174 msecs [ 214.814153][ T23] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10902 jiffies s: 5477 root: 0x1/. [ 214.826061][ T23] rcu: blocking rcu_node structures (internal RCU debug): [ 214.833187][ T23] Task dump for CPU 0: [ 214.837287][ T23] task:swapper/0 state:R running task stack:27864 pid: 0 ppid: 0 flags:0x00004008 [ 214.848114][ T23] Call Trace: [ 214.851406][ T23] [ 214.854384][ T23] ? timer_clear_idle+0x2a/0xa0 [ 214.859270][ T23] ? perf_trace_run_bpf_submit+0xf3/0x1c0 [ 214.865100][ T23] ? rcu_is_watching+0x11/0xa0 [ 214.869887][ T23] ? trace_hardirqs_off_finish+0xca/0x1f0 [ 214.875656][ T23] ? sysvec_apic_timer_interrupt+0x80/0xc0 [ 214.881491][ T23] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 214.887700][ T23] ? default_idle+0xb/0x10 [ 214.892136][ T23] ? default_idle_call+0x81/0xc0 [ 214.897109][ T23] ? do_idle+0x21f/0x580 [ 214.901463][ T23] ? idle_inject_timer_fn+0x60/0x60 [ 214.906716][ T23] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 214.912727][ T23] ? cpu_startup_entry+0x14/0x20 [ 214.917771][ T23] ? time_init+0x40/0x40 [ 214.922045][ T23] ? start_kernel+0x489/0x540 [ 214.926896][ T23] ? secondary_startup_64_no_verify+0xb1/0xbb [ 214.933001][ T23]