Warning: Permanently added '10.128.1.92' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 227.442326][ C0] hrtimer: interrupt took 50234 ns executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 338.899212][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 338.906230][ C1] rcu: 0-....: (1 GPs behind) idle=e01/1/0x4000000000000002 softirq=6166/6167 fqs=5249 [ 338.916534][ C1] (detected by 1, t=10502 jiffies, g=7125, q=223090) [ 338.923352][ C1] Sending NMI from CPU 1 to CPUs 0: [ 338.928587][ C0] NMI backtrace for cpu 0 [ 338.928609][ C0] CPU: 0 PID: 5118 Comm: syz-executor213 Not tainted syzkaller #0 [ 338.928626][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 338.928642][ C0] RIP: 0010:perf_swevent_event+0x246/0x540 [ 338.928684][ C0] Code: ff df 80 3c 08 00 74 08 48 89 df e8 64 b1 25 00 48 8b 1b bf 01 00 00 00 48 89 de e8 04 95 e0 ff 48 83 fb 01 0f 85 bc 00 00 00 <48> 8b 04 24 48 8d 98 00 01 00 00 48 89 d8 48 c1 e8 03 48 b9 00 00 [ 338.928697][ C0] RSP: 0018:ffffc900000072a8 EFLAGS: 00000046 [ 338.928711][ C0] RAX: ffffffff8198617c RBX: 0000000000000001 RCX: ffff8880742fbb80 [ 338.928722][ C0] RDX: 0000000000000100 RSI: 0000000000000001 RDI: 0000000000000001 [ 338.928732][ C0] RBP: ffffc90000007380 R08: ffffffff8d89e06f R09: 1ffffffff1b13c0d [ 338.928744][ C0] R10: dffffc0000000000 R11: fffffbfff1b13c0e R12: 0000000000000001 [ 338.928760][ C0] R13: ffff8880b90351c8 R14: 1ffff1100af12932 R15: 0000000000000001 [ 338.928771][ C0] FS: 00007fe8f09e56c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 338.928784][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 338.928795][ C0] CR2: 00002000000003c0 CR3: 0000000024b47000 CR4: 00000000003506f0 [ 338.928809][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 338.928818][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 338.928828][ C0] Call Trace: [ 338.928834][ C0] [ 338.928844][ C0] perf_tp_event+0x324/0xbe0 [ 338.928863][ C0] ? perf_trace_run_bpf_submit+0x1c0/0x1c0 [ 338.928881][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 338.928920][ C0] ? ctx_flexible_sched_in+0x80/0x80 [ 338.928937][ C0] ? __perf_install_in_context+0x55f/0x6c0 [ 338.928961][ C0] perf_trace_run_bpf_submit+0xf3/0x1c0 [ 338.928981][ C0] perf_trace_preemptirq_template+0x2aa/0x360 [ 338.929001][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 338.929018][ C0] ? trace_event_raw_event_preemptirq_template+0x290/0x290 [ 338.929037][ C0] ? __irq_exit_rcu+0x147/0x230 [ 338.929053][ C0] ? irq_exit_rcu+0x20/0x20 [ 338.929070][ C0] ? asm_sysvec_irq_work+0x16/0x20 [ 338.929086][ C0] trace_irq_enable_rcuidle+0x108/0x180 [ 338.929105][ C0] trace_hardirqs_on+0x57/0x80 [ 338.929121][ C0] asm_sysvec_irq_work+0x16/0x20 [ 338.929138][ C0] RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 [ 338.929156][ 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 c2 22 9d 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 [ 338.929168][ C0] RSP: 0018:ffffc900000077c0 EFLAGS: 00000206 [ 338.929180][ C0] RAX: 5cc3cca7c2eea900 RBX: 1ffff92000000efc RCX: 5cc3cca7c2eea900 [ 338.929192][ C0] RDX: dffffc0000000000 RSI: ffffffff8a2b2be0 RDI: ffffffff8a79c980 [ 338.929204][ C0] RBP: ffffc900000078a0 R08: ffff8880b903b30b R09: 1ffff11017207661 [ 338.929216][ C0] R10: dffffc0000000000 R11: ffffed1017207662 R12: ffffffff8c323400 [ 338.929228][ C0] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001 [ 338.929247][ C0] ? __rcu_read_unlock+0xd0/0xd0 [ 338.929265][ C0] ? ktime_get_with_offset+0x211/0x320 [ 338.929281][ C0] ? __netif_receive_skb+0x290/0x290 [ 338.929300][ C0] ? __sanitizer_cov_trace_pc+0x4/0x60 [ 338.929319][ C0] __rcu_read_unlock+0x78/0xd0 [ 338.929335][ C0] netif_receive_skb_list_internal+0x961/0xbd0 [ 338.929358][ C0] ? netif_receive_skb_list+0x3e0/0x3e0 [ 338.929377][ C0] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 338.929395][ C0] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 338.929413][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 338.929432][ C0] ? detach_buf_split+0x8a6/0xab0 [ 338.929452][ C0] napi_complete_done+0x37e/0x850 [ 338.929472][ C0] ? __napi_schedule_irqoff+0x230/0x230 [ 338.929489][ C0] ? virtqueue_get_buf_ctx+0x45d/0xe50 [ 338.929509][ C0] ? virtqueue_enable_cb_prepare+0x226/0x550 [ 338.929529][ C0] virtnet_poll+0x8f5/0xe90 [ 338.929554][ C0] ? refill_work+0x220/0x220 [ 338.929570][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 338.929588][ C0] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 338.929610][ C0] __napi_poll+0xbb/0x430 [ 338.929630][ C0] net_rx_action+0x522/0xa80 [ 338.929647][ C0] ? net_tx_action+0x880/0x880 [ 338.929661][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 338.929679][ C0] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 338.929703][ C0] handle_softirqs+0x336/0x830 [ 338.929721][ C0] ? __irq_exit_rcu+0x13b/0x230 [ 338.929738][ C0] ? do_softirq+0x210/0x210 [ 338.929759][ C0] ? hrtimer_interrupt+0x6a2/0x8b0 [ 338.929781][ C0] __irq_exit_rcu+0x13b/0x230 [ 338.929797][ C0] ? irq_exit_rcu+0x20/0x20 [ 338.929816][ C0] irq_exit_rcu+0x5/0x20 [ 338.929830][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 338.929849][ C0] [ 338.929853][ C0] [ 338.929858][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 338.929876][ C0] RIP: 0010:arch_stack_walk+0xe1/0x140 [ 338.929894][ C0] Code: 45 80 00 00 00 00 48 c7 85 78 ff ff ff 00 00 00 00 48 8d bd 78 ff ff ff 4c 89 e6 4c 89 fa e8 b6 64 08 00 83 bd 78 ff ff ff 00 <74> 32 4c 8d bd 78 ff ff ff 4c 89 ff e8 6e 45 08 00 48 85 c0 74 1e [ 338.929907][ C0] RSP: 0018:ffffc90003e6f968 EFLAGS: 00000202 [ 338.929919][ C0] RAX: ffffc90003e6f9f0 RBX: ffffc90003e6fa20 RCX: dffffc0000000000 [ 338.929931][ C0] RDX: ffffc90003e6f9f8 RSI: ffffc90003e6f9f0 RDI: 00000000ffffffff [ 338.929942][ C0] RBP: ffffc90003e6f9f0 R08: ffffc90003e6f9f0 R09: ffffc90003e6f9b8 [ 338.929954][ C0] R10: dffffc0000000000 R11: fffff520007cdf39 R12: ffff8880742fbb80 [ 338.929966][ C0] R13: ffff88814c5a0640 R14: ffffffff81676b20 R15: 0000000000000000 [ 338.929977][ C0] ? stack_trace_save+0xf0/0xf0 [ 338.929998][ C0] ? arch_stack_walk+0xda/0x140 [ 338.930018][ C0] ? stack_trace_save+0xa6/0xf0 [ 338.930034][ C0] stack_trace_save+0xa6/0xf0 [ 338.930050][ C0] ? stack_trace_snprint+0xe0/0xe0 [ 338.930066][ C0] ? memset_erms+0x9/0x10 [ 338.930086][ C0] __kasan_slab_alloc+0x92/0xc0 [ 338.930127][ C0] slab_post_alloc_hook+0x4c/0x380 [ 338.930144][ C0] ? should_failslab+0x5/0x20 [ 338.930160][ C0] ? sk_prot_alloc+0x57/0x210 [ 338.930175][ C0] kmem_cache_alloc+0x15d/0x280 [ 338.930193][ C0] sk_prot_alloc+0x57/0x210 [ 338.930207][ C0] ? sk_alloc+0x1d/0x310 [ 338.930222][ C0] sk_alloc+0x2f/0x310 [ 338.930238][ C0] rxrpc_create+0xd5/0x650 [ 338.930257][ C0] __sock_create+0x473/0x910 [ 338.930280][ C0] __sys_socket+0xe2/0x170 [ 338.930298][ C0] __x64_sys_socket+0x76/0x80 [ 338.930316][ C0] do_syscall_64+0x4c/0xa0 [ 338.930332][ C0] ? clear_bhb_loop+0x30/0x80 [ 338.930348][ C0] ? clear_bhb_loop+0x30/0x80 [ 338.930365][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 338.930382][ C0] RIP: 0033:0x7fe8f0a058c9 [ 338.930403][ C0] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 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 d0 ff ff ff f7 d8 64 89 01 48 [ 338.930415][ C0] RSP: 002b:00007fe8f09e5228 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 [ 338.930430][ C0] RAX: ffffffffffffffda RBX: 00007fe8f0ab7b28 RCX: 00007fe8f0a058c9 [ 338.930442][ C0] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000021 [ 338.930451][ C0] RBP: 00007fe8f0ab7b20 R08: 00007fe8f09e5cdc R09: 00007fe8f09e5cdc [ 338.930462][ C0] R10: 00007fe8f09e5cdc R11: 0000000000000246 R12: 00007fe8f0ab7b2c [ 338.930472][ C0] R13: 00002000000003c0 R14: 0000200000000480 R15: 00007ffdaf2a9558 [ 338.930491][ C0] [ 338.930497][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.909 msecs [ 342.679305][ T1110] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10880 jiffies s: 705 root: 0x1/. [ 342.698914][ T1110] rcu: blocking rcu_node structures (internal RCU debug): [ 342.713715][ T1110] Task dump for CPU 0: [ 342.717906][ T1110] task:syz-executor213 state:R running task stack:27248 pid: 5118 ppid: 4225 flags:0x0000000c [ 342.728814][ T1110] Call Trace: [ 342.732199][ T1110] [ 342.735159][ T1110] ? lock_chain_count+0x20/0x20 [ 342.740087][ T1110] ? rcu_is_watching+0x11/0xa0 [ 342.744885][ T1110] ? sysvec_apic_timer_interrupt+0x80/0xc0 [ 342.750811][ T1110] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 342.757006][ T1110] ? stack_trace_save+0xf0/0xf0 [ 342.761978][ T1110] ? arch_stack_walk+0xe1/0x140 [ 342.766861][ T1110] ? arch_stack_walk+0xda/0x140 [ 342.771804][ T1110] ? stack_trace_save+0xa6/0xf0 [ 342.776693][ T1110] ? stack_trace_save+0xa6/0xf0 [ 342.781605][ T1110] ? stack_trace_snprint+0xe0/0xe0 [ 342.786746][ T1110] ? memset_erms+0x9/0x10 [ 342.791162][ T1110] ? __kasan_slab_alloc+0x92/0xc0 [ 342.796267][ T1110] ? slab_post_alloc_hook+0x4c/0x380 [ 342.801657][ T1110] ? should_failslab+0x5/0x20 [ 342.806378][ T1110] ? sk_prot_alloc+0x57/0x210 [ 342.811166][ T1110] ? kmem_cache_alloc+0x15d/0x280 [ 342.816235][ T1110] ? sk_prot_alloc+0x57/0x210 [ 342.820975][ T1110] ? sk_alloc+0x1d/0x310 [ 342.825253][ T1110] ? sk_alloc+0x2f/0x310 [ 342.829572][ T1110] ? rxrpc_create+0xd5/0x650 [ 342.834199][ T1110] ? __sock_create+0x473/0x910 [ 342.839002][ T1110] ? __sys_socket+0xe2/0x170 [ 342.843690][ T1110] ? __x64_sys_socket+0x76/0x80 [ 342.848578][ T1110] ? do_syscall_64+0x4c/0xa0 [ 342.853247][ T1110] ? clear_bhb_loop+0x30/0x80 [ 342.857953][ T1110] ? clear_bhb_loop+0x30/0x80 [ 342.862708][ T1110] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 342.868817][ T1110]