[ 36.455921][ T1864] netdevsim netdevsim4 netdevsim3: renamed from eth3
[ 38.314778][ T1864] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 38.325257][ T1864] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 38.335141][ T1864] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 38.344526][ T1864] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 38.531051][ T1864] syz-executor.4 (1864) used greatest stack depth: 11520 bytes left
[ 38.545350][ T920] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 38.585526][ T920] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 38.625295][ T920] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 38.665259][ T920] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
Warning: Permanently added '10.128.10.42' (ED25519) to the list of known hosts.
2025/11/14 16:54:01 ignoring optional flag "type"="gce"
2025/11/14 16:54:01 parsed 1 programs
2025/11/14 16:54:01 executed programs: 0
[ 56.733841][ T2520] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 59.538075][ T2537] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 59.549844][ T2534] netdevsim netdevsim2 netdevsim0: renamed from eth0
[ 59.572950][ T2534] netdevsim netdevsim2 netdevsim1: renamed from eth1
[ 59.595698][ T2537] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 59.605570][ T2534] netdevsim netdevsim2 netdevsim2: renamed from eth2
[ 59.614691][ T2534] netdevsim netdevsim2 netdevsim3: renamed from eth3
[ 59.622829][ T2537] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 59.631844][ T2537] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 59.991105][ T2539] netdevsim netdevsim4 netdevsim0: renamed from eth0
[ 60.015257][ T2539] netdevsim netdevsim4 netdevsim1: renamed from eth1
[ 60.031496][ T2539] netdevsim netdevsim4 netdevsim2: renamed from eth2
[ 60.052265][ T2539] netdevsim netdevsim4 netdevsim3: renamed from eth3
[ 60.062050][ T2535] netdevsim netdevsim3 netdevsim0: renamed from eth0
[ 60.089282][ T2538] netdevsim netdevsim1 netdevsim0: renamed from eth0
[ 60.115833][ T2541] netdevsim netdevsim5 netdevsim0: renamed from eth0
[ 60.137729][ T2535] netdevsim netdevsim3 netdevsim1: renamed from eth1
[ 60.149576][ T2538] netdevsim netdevsim1 netdevsim1: renamed from eth1
[ 60.164612][ T2541] netdevsim netdevsim5 netdevsim1: renamed from eth1
[ 60.175885][ T2535] netdevsim netdevsim3 netdevsim2: renamed from eth2
[ 60.196193][ T2538] netdevsim netdevsim1 netdevsim2: renamed from eth2
[ 60.225403][ T2541] netdevsim netdevsim5 netdevsim2: renamed from eth2
[ 60.234530][ T2535] netdevsim netdevsim3 netdevsim3: renamed from eth3
[ 60.245793][ T2541] netdevsim netdevsim5 netdevsim3: renamed from eth3
[ 60.264459][ T2538] netdevsim netdevsim1 netdevsim3: renamed from eth3
[ 68.254022][ T2534] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 68.281754][ T2534] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 68.295372][ T2534] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 68.319111][ T2534] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 68.877943][ T2535] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 68.900290][ T2535] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 68.914610][ T2535] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 68.934350][ T2535] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 68.949258][ T2537] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 68.981187][ T2537] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.014351][ T2537] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.032950][ T2537] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
2025/11/14 16:54:14 executed programs: 6
[ 69.222745][ C0] hrtimer: interrupt took 40959 ns
[ 69.709240][ T2539] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.736690][ T2539] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.749719][ T2539] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.762645][ T2539] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.773731][ T2538] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.784877][ T2538] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.796439][ T2538] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.807416][ T2538] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.938753][ T2541] netdevsim netdevsim5 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.956339][ T2541] netdevsim netdevsim5 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.975290][ T2541] netdevsim netdevsim5 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.984675][ T2541] netdevsim netdevsim5 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
2025/11/14 16:54:19 executed programs: 18
2025/11/14 16:54:37 executed programs: 31
2025/11/14 16:55:19 executed programs: 43
2025/11/14 16:55:26 executed programs: 57
2025/11/14 16:56:14 executed programs: 58
2025/11/14 16:56:20 executed programs: 62
[ 234.554231][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 234.561603][ C1] rcu: 0-...!: (3 ticks this GP) idle=63f/0/0x1 softirq=7196/7196 fqs=0
[ 234.572486][ C1] (detected by 1, t=10002 jiffies, g=6225, q=6500)
[ 234.579719][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 234.585470][ C0] NMI backtrace for cpu 0
[ 234.585479][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0
[ 234.585499][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 234.585519][ C0] RIP: 0010:lock_acquire+0x98/0x150
[ 234.585553][ C0] Code: 00 6a 00 49 89 d9 44 89 f1 41 0f 94 c0 6a 00 44 89 ea 44 89 e6 ff 74 24 48 45 0f b6 c0 48 89 ef e8 6d f6 ff ff b8 ff ff ff ff <48> 83 c4 18 65 0f c1 05 6c c5 e2 7e 83 f8 01 0f 85 8b 00 00 00 9c
[ 234.585571][ C0] RSP: 0018:ffffc90000003e60 EFLAGS: 00000086
[ 234.585586][ C0] RAX: 00000000ffffffff RBX: 0000000000000000 RCX: 00000000ef99a6ba
[ 234.585598][ C0] RDX: 0000000050ef4013 RSI: 0000000025161c82 RDI: 00000000ca838a38
[ 234.585610][ C0] RBP: ffffffff845a1d40 R08: 00000000000a0015 R09: 0000000000000000
[ 234.585623][ C0] R10: 0000000000080000 R11: 0000000000000001 R12: 0000000000000000
[ 234.585634][ C0] R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000
[ 234.585646][ C0] FS: 0000000000000000(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000
[ 234.585664][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 234.585677][ C0] CR2: 0000000020000600 CR3: 000000000443a000 CR4: 00000000003506f0
[ 234.585694][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 234.585705][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 234.585721][ C0] Call Trace:
[ 234.585726][ C0]
[ 234.585731][ C0] ? advance_sched+0x13d/0x260
[ 234.585755][ C0] advance_sched+0x182/0x260
[ 234.585778][ C0] ? advance_sched+0x13d/0x260
[ 234.585804][ C0] ? taprio_dump+0x470/0x470
[ 234.585825][ C0] __hrtimer_run_queues+0x1db/0x530
[ 234.585850][ C0] hrtimer_interrupt+0x124/0x2a0
[ 234.585874][ C0] __sysvec_apic_timer_interrupt+0x63/0x130
[ 234.585899][ C0] sysvec_apic_timer_interrupt+0x6d/0x90
[ 234.585924][ C0]
[ 234.585929][ C0]
[ 234.585933][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 234.585954][ C0] RIP: 0010:default_idle+0xb/0x10
[ 234.585977][ C0] Code: 48 89 c1 fb 0f 01 c9 eb 01 fb 65 48 8b 04 25 80 af 01 00 f0 80 60 02 df c3 66 0f 1f 44 00 00 66 90 0f 00 2d 83 bb 56 00 fb f4 cc cc cc cc 41 54 55 53 48 89 fb e8 94 be fe fd 48 8b 05 dd 6c
[ 234.585995][ C0] RSP: 0018:ffffffff84403ea8 EFLAGS: 00000242
[ 234.586008][ C0] RAX: ffff88813bc2cf08 RBX: 0000000000000000 RCX: ffffffff81252084
[ 234.586021][ C0] RDX: 0000000000000000 RSI: ffffffff811cc161 RDI: 000000000000563d
[ 234.586033][ C0] RBP: ffffffff844639c0 R08: 0000000000000001 R09: 0000000000000000
[ 234.586045][ C0] R10: 0000000000000000 R11: ffff88813bc1b888 R12: 0000000000000000
[ 234.586058][ C0] R13: 0000000000000000 R14: ffffffff84463120 R15: 0000000000000000
[ 234.586070][ C0] ? tick_nohz_idle_stop_tick+0x64/0x470
[ 234.586092][ C0] ? do_idle+0x1e1/0x250
[ 234.586113][ C0] default_idle_call+0x41/0x110
[ 234.586135][ C0] do_idle+0x1e6/0x250
[ 234.586153][ C0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe
[ 234.586175][ C0] cpu_startup_entry+0x14/0x20
[ 234.586195][ C0] start_kernel+0x65e/0x685
[ 234.586218][ C0] secondary_startup_64_no_verify+0xb0/0xbb
[ 234.586242][ C0]
[ 234.586464][ C1] rcu: rcu_preempt kthread timer wakeup didn't happen for 10001 jiffies! g6225 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
[ 234.916847][ C1] rcu: Possible timer handling issue on cpu=0 timer-softirq=1922
[ 234.925202][ C1] rcu: rcu_preempt kthread starved for 10002 jiffies! g6225 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
[ 234.936931][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 234.947280][ C1] rcu: RCU grace-period kthread stack dump:
[ 234.953285][ C1] task:rcu_preempt state:I stack:14272 pid: 13 ppid: 2 flags:0x00004000
[ 234.962903][ C1] Call Trace:
[ 234.966382][ C1]
[ 234.969536][ C1] __schedule+0x38a/0x1420
[ 234.973986][ C1] ? do_raw_spin_unlock+0x50/0xa0
[ 234.979035][ C1] schedule+0x68/0xb0
[ 234.983228][ C1] schedule_timeout+0xde/0x170
[ 234.988499][ C1] ? destroy_timer_on_stack+0x20/0x20
[ 234.993907][ C1] rcu_gp_fqs_loop+0xfd/0x370
[ 234.998708][ C1] rcu_gp_kthread+0x89/0xf0
[ 235.003551][ C1] ? rcu_gp_init+0x5b0/0x5b0
[ 235.008168][ C1] kthread+0x16c/0x1a0
[ 235.012358][ C1] ? set_kthread_struct+0x60/0x60
[ 235.017735][ C1] ret_from_fork+0x1f/0x30
[ 235.022359][ C1]
[ 235.025641][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 235.032140][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 235.037552][ C0] NMI backtrace for cpu 0
[ 235.037563][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0
[ 235.037582][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 235.037593][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70
[ 235.037619][ C0] Code: 89 0c ed 20 f4 f3 85 48 89 70 18 5b 5d 41 5c 41 5d c3 48 c7 c0 f4 ff ff ff eb 9a 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <65> 48 8b 14 25 80 af 01 00 65 8b 05 c0 56 d7 7e a9 00 01 ff 00 48
[ 235.037638][ C0] RSP: 0018:ffffc90000003ea8 EFLAGS: 00000082
[ 235.037652][ C0] RAX: ffff8881406e0b40 RBX: ffff8881406e0b40 RCX: ffffffff81d1a040
[ 235.037665][ C0] RDX: ffffffff844639c0 RSI: ffffffff81d1a056 RDI: 0000000000000006
[ 235.037678][ C0] RBP: ffff888110d81b48 R08: 000000000008005b R09: 0000000000000000
[ 235.037690][ C0] R10: 1877edeb584e286d R11: 0000000000000001 R12: 1877edeb584e286d
[ 235.037703][ C0] R13: ffff888110d5cf40 R14: 0000000000000000 R15: ffff88813bc1e190
[ 235.037715][ C0] FS: 0000000000000000(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000
[ 235.037732][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 235.037746][ C0] CR2: 0000000020000600 CR3: 000000000443a000 CR4: 00000000003506f0
[ 235.037762][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 235.037773][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 235.037786][ C0] Call Trace:
[ 235.037790][ C0]
[ 235.037795][ C0] timerqueue_add+0x51/0x110
[ 235.037820][ C0] enqueue_hrtimer+0x7c/0x120
[ 235.037844][ C0] __hrtimer_run_queues+0x51f/0x530
[ 235.037868][ C0] hrtimer_interrupt+0x124/0x2a0
[ 235.037891][ C0] __sysvec_apic_timer_interrupt+0x63/0x130
[ 235.037916][ C0] sysvec_apic_timer_interrupt+0x6d/0x90
[ 235.037942][ C0]
[ 235.037946][ C0]
[ 235.037951][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 235.037972][ C0] RIP: 0010:default_idle+0xb/0x10
[ 235.037994][ C0] Code: 48 89 c1 fb 0f 01 c9 eb 01 fb 65 48 8b 04 25 80 af 01 00 f0 80 60 02 df c3 66 0f 1f 44 00 00 66 90 0f 00 2d 83 bb 56 00 fb f4 cc cc cc cc 41 54 55 53 48 89 fb e8 94 be fe fd 48 8b 05 dd 6c
[ 235.038012][ C0] RSP: 0018:ffffffff84403ea8 EFLAGS: 00000242
[ 235.038025][ C0] RAX: ffff88813bc2cf08 RBX: 0000000000000000 RCX: ffffffff81252084
[ 235.038038][ C0] RDX: 0000000000000000 RSI: ffffffff811cc161 RDI: 000000000000563d
[ 235.038050][ C0] RBP: ffffffff844639c0 R08: 0000000000000001 R09: 0000000000000000
[ 235.038062][ C0] R10: 0000000000000000 R11: ffff88813bc1b888 R12: 0000000000000000
[ 235.038074][ C0] R13: 0000000000000000 R14: ffffffff84463120 R15: 0000000000000000
[ 235.038088][ C0] ? tick_nohz_idle_stop_tick+0x64/0x470
[ 235.038109][ C0] ? do_idle+0x1e1/0x250
[ 235.038130][ C0] default_idle_call+0x41/0x110
[ 235.038152][ C0] do_idle+0x1e6/0x250
[ 235.038170][ C0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe
[ 235.038192][ C0] cpu_startup_entry+0x14/0x20
[ 235.038212][ C0] start_kernel+0x65e/0x685
[ 235.038236][ C0] secondary_startup_64_no_verify+0xb0/0xbb
[ 235.038259][ C0]
[ 239.807701][ T2201] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10514 jiffies s: 1201 root: 0x1/.
[ 239.844268][ T2201] rcu: blocking rcu_node structures (internal RCU debug):
[ 239.855975][ T2201] Task dump for CPU 0:
[ 239.862373][ T2201] task:swapper/0 state:R running task stack:13736 pid: 0 ppid: 0 flags:0x00004008
[ 239.878875][ T2201] Call Trace:
[ 239.882714][ T2201]
[ 239.890543][ T2201] ? tick_nohz_idle_stop_tick+0x271/0x470
[ 239.899751][ T2201] ? rcu_nmi_enter+0x54/0x70
[ 239.906315][ T2201] ? irqentry_enter+0x2a/0x30
[ 239.913095][ T2201] ? sysvec_apic_timer_interrupt+0xb/0x90
[ 239.921662][ T2201] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 239.930926][ T2201] ? tick_nohz_idle_stop_tick+0x64/0x470
[ 239.939304][ T2201] ? do_idle+0x1e1/0x250
[ 239.945696][ T2201] ? default_idle+0xb/0x10
[ 239.952826][ T2201] ? default_idle_call+0x41/0x110
[ 239.961379][ T2201] ? do_idle+0x1e6/0x250
[ 239.967680][ T2201] ? trace_init_perf_perm_irq_work_exit+0xe/0xe
[ 239.977483][ T2201] ? cpu_startup_entry+0x14/0x20
[ 239.984697][ T2201] ? start_kernel+0x65e/0x685
[ 239.991879][ T2201] ? secondary_startup_64_no_verify+0xb0/0xbb
[ 240.000300][ T2201]