Warning: Permanently added '10.128.0.139' (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 [ 188.981808][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 188.988906][ C0] rcu: 1-....: (0 ticks this GP) idle=c65/1/0x4000000000000000 softirq=6836/6836 fqs=5250 [ 188.999429][ C0] (detected by 0, t=10502 jiffies, g=7861, q=84) [ 189.005905][ C0] Sending NMI from CPU 0 to CPUs 1: [ 189.011139][ C1] NMI backtrace for cpu 1 [ 189.011172][ C1] CPU: 1 PID: 4585 Comm: syz-executor588 Not tainted syzkaller #0 [ 189.011189][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 189.011208][ C1] RIP: 0010:__sysvec_irq_work+0x51/0x240 [ 189.011260][ C1] Code: f5 90 93 00 48 8b 1d 86 8a b8 0a 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 d8 90 93 00 bf b0 00 00 00 31 f6 ff 13 <0f> 1f 44 00 00 65 8b 05 cb 43 d7 7e 83 f8 08 73 75 89 c3 c1 e8 06 [ 189.011278][ C1] RSP: 0000:ffffc90000dd06c8 EFLAGS: 00000046 [ 189.011292][ C1] RAX: 0000000000000000 RBX: ffffffff8be359c8 RCX: 000000000000080b [ 189.011304][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000b0 [ 189.011313][ C1] RBP: 0000000000000000 R08: ffffffff8f0ed048 R09: ffffffff8f0ed058 [ 189.011325][ C1] R10: ffffffff8f0ed050 R11: ffffffff8f0ed043 R12: 0000000000000000 [ 189.011337][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 189.011347][ C1] FS: 00005555875823c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 [ 189.011362][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 189.011374][ C1] CR2: 00002000000003cc CR3: 0000000025f65000 CR4: 00000000003506e0 [ 189.011388][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 189.011398][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 189.011408][ C1] Call Trace: [ 189.011414][ C1] [ 189.011422][ C1] sysvec_irq_work+0x4a/0xc0 [ 189.011449][ C1] asm_sysvec_irq_work+0x16/0x20 [ 189.011467][ C1] RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 [ 189.011485][ C1] 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 f2 cc 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 [ 189.011499][ C1] RSP: 0000:ffffc90000dd07a0 EFLAGS: 00000206 [ 189.011512][ C1] RAX: 3975faf0d2009200 RBX: 1ffff920001ba0f8 RCX: 3975faf0d2009200 [ 189.011524][ C1] RDX: dffffc0000000000 RSI: ffffffff8a2b3180 RDI: ffffffff8a7a09c0 [ 189.011536][ C1] RBP: ffffc90000dd0880 R08: ffffffff901d80c7 R09: 1ffffffff203b018 [ 189.011549][ C1] R10: dffffc0000000000 R11: fffffbfff203b019 R12: ffffffff8c323800 [ 189.011561][ C1] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000002 [ 189.011582][ C1] ? __rcu_read_unlock+0xd0/0xd0 [ 189.011602][ C1] ? __netif_receive_skb+0x290/0x290 [ 189.011626][ C1] __rcu_read_unlock+0x78/0xd0 [ 189.011643][ C1] netif_receive_skb_list_internal+0x961/0xbd0 [ 189.011666][ C1] ? netif_receive_skb_list+0x3e0/0x3e0 [ 189.011684][ C1] ? rcu_lock_release+0x5/0x20 [ 189.011704][ C1] ? detach_buf_split+0x8a9/0xab0 [ 189.011724][ C1] napi_complete_done+0x378/0x850 [ 189.011743][ C1] ? free_old_xmit_skbs+0x252/0x2b0 [ 189.011761][ C1] ? __napi_schedule_irqoff+0x230/0x230 [ 189.011780][ C1] ? virtqueue_get_buf_ctx+0x4a7/0xfd0 [ 189.011800][ C1] ? virtqueue_enable_cb_prepare+0x22e/0x560 [ 189.011821][ C1] virtnet_poll+0x955/0xf40 [ 189.011847][ C1] ? refill_work+0x210/0x210 [ 189.011862][ C1] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 189.011884][ C1] ? lock_chain_count+0x20/0x20 [ 189.011905][ C1] __napi_poll+0xc0/0x430 [ 189.011923][ C1] ? net_rx_action+0x307/0xa10 [ 189.011939][ C1] net_rx_action+0x4d4/0xa10 [ 189.011959][ C1] ? net_tx_action+0x880/0x880 [ 189.011973][ C1] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 189.012000][ C1] ? lock_chain_count+0x20/0x20 [ 189.012024][ C1] handle_softirqs+0x339/0x830 [ 189.012043][ C1] ? __irq_exit_rcu+0x13b/0x230 [ 189.012061][ C1] ? do_softirq+0x210/0x210 [ 189.012079][ C1] ? irqtime_account_irq+0xb2/0x1b0 [ 189.012099][ C1] __irq_exit_rcu+0x13b/0x230 [ 189.012114][ C1] ? irq_exit_rcu+0x20/0x20 [ 189.012129][ C1] ? do_raw_spin_unlock+0x11d/0x230 [ 189.012150][ C1] irq_exit_rcu+0x5/0x20 [ 189.012164][ C1] common_interrupt+0xb5/0xd0 [ 189.012182][ C1] [ 189.012186][ C1] [ 189.012192][ C1] asm_common_interrupt+0x22/0x40 [ 189.012208][ C1] RIP: 0010:page_add_new_anon_rmap+0x59c/0x8a0 [ 189.012227][ C1] Code: 11 00 00 00 89 da e8 a3 7b 10 00 49 8d 9d 88 00 00 00 48 89 d8 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 37 44 0c 00 4c 8b 33 <4d> 85 f6 0f 84 32 02 00 00 48 8b 44 24 08 80 3c 28 00 74 08 4c 89 [ 189.012239][ C1] RSP: 0000:ffffc90002e5fc58 EFLAGS: 00000246 [ 189.012252][ C1] RAX: 1ffff11005504c11 RBX: ffff88802a826088 RCX: 3975faf0d2009200 [ 189.012265][ C1] RDX: 0000000000000002 RSI: ffffffff8a2b4420 RDI: ffffffff8a7a09c0 [ 189.012276][ C1] RBP: dffffc0000000000 R08: ffffffff8d8a06ef R09: 1ffffffff1b140dd [ 189.012288][ C1] R10: dffffc0000000000 R11: fffffbfff1b140de R12: ffffea0001cd4948 [ 189.012300][ C1] R13: ffff88802a826000 R14: ffff88802383eaa0 R15: ffffea0001cd4940 [ 189.012321][ C1] ? page_add_new_anon_rmap+0x57d/0x8a0 [ 189.012341][ C1] handle_mm_fault+0x3820/0x4410 [ 189.012366][ C1] ? get_page+0xe0/0xe0 [ 189.012386][ C1] ? vmacache_find+0x4f0/0x590 [ 189.012403][ C1] ? vmacache_update+0xa0/0x100 [ 189.012421][ C1] ? find_vma+0x1df/0x230 [ 189.012439][ C1] do_user_addr_fault+0x489/0xc80 [ 189.012465][ C1] exc_page_fault+0x60/0x100 [ 189.012482][ C1] ? clear_bhb_loop+0x30/0x80 [ 189.012501][ C1] asm_exc_page_fault+0x22/0x30 [ 189.012517][ C1] RIP: 0033:0x7f4e2d92d87a [ 189.012538][ C1] Code: 31 c9 45 31 c0 45 31 d2 45 31 db 31 c9 48 83 ca ff bf 2a 01 00 00 48 b8 c0 03 00 00 00 20 00 00 48 be c0 03 00 00 00 20 00 00 <44> 89 40 0c 48 83 c0 28 49 83 c8 ff 4c 89 48 e8 4c 89 48 f0 4c 89 [ 189.012551][ C1] RSP: 002b:00007ffec40e1830 EFLAGS: 00010286 [ 189.012563][ C1] RAX: 00002000000003c0 RBX: 0000000000000000 RCX: 0000000000000000 [ 189.012573][ C1] RDX: ffffffffffffffff RSI: 00002000000003c0 RDI: 000000000000012a [ 189.012585][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 189.012594][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 189.012603][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 189.012621][ C1] [ 189.012630][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.487 msecs [ 189.282169][ T7] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-... } 10563 jiffies s: 1561 root: 0x2/. [ 189.616204][ T7] rcu: blocking rcu_node structures (internal RCU debug): [ 189.623723][ T7] Task dump for CPU 1: [ 189.627831][ T7] task:syz-executor588 state:R running task stack:27600 pid: 4585 ppid: 4202 flags:0x00000008 [ 189.638727][ T7] Call Trace: [ 189.642134][ T7] [ 189.645100][ T7] ? asm_common_interrupt+0x22/0x40 [ 189.650353][ T7] ? page_add_new_anon_rmap+0x59c/0x8a0 [ 189.655964][ T7] ? page_add_new_anon_rmap+0x57d/0x8a0 [ 189.661553][ T7] ? handle_mm_fault+0x3820/0x4410 [ 189.666765][ T7] ? get_page+0xe0/0xe0 [ 189.670970][ T7] ? vmacache_find+0x4f0/0x590 [ 189.675818][ T7] ? vmacache_update+0xa0/0x100 [ 189.680751][ T7] ? find_vma+0x1df/0x230 [ 189.685179][ T7] ? do_user_addr_fault+0x489/0xc80 [ 189.690430][ T7] ? exc_page_fault+0x60/0x100 [ 189.695293][ T7] ? clear_bhb_loop+0x30/0x80 [ 189.700008][ T7] ? asm_exc_page_fault+0x22/0x30 [ 189.705165][ T7]