Warning: Permanently added '10.128.0.160' (ED25519) to the list of known hosts. 2024/06/07 05:10:48 ignoring optional flag "sandboxArg"="0" 2024/06/07 05:10:49 parsed 1 programs 2024/06/07 05:10:49 executed programs: 0 [ 45.733622][ T2077] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 2024/06/07 05:10:55 executed programs: 6 [ 151.152048][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 151.158987][ C1] rcu: (detected by 1, t=10002 jiffies, g=2885, q=555 ncpus=2) [ 151.166583][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10001 (4294952371-4294942370), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 151.179909][ C1] rcu: rcu_preempt kthread starved for 10002 jiffies! g2885 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 151.190981][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 151.200920][ C1] rcu: RCU grace-period kthread stack dump: [ 151.206781][ C1] task:rcu_preempt state:R running task stack:14608 pid:16 tgid:16 ppid:2 flags:0x00004000 [ 151.218490][ C1] Call Trace: [ 151.221754][ C1] [ 151.224660][ C1] __schedule+0x615/0x9a0 [ 151.228973][ C1] ? schedule+0x21/0x140 [ 151.233182][ C1] schedule+0xac/0x140 [ 151.237226][ C1] schedule_timeout+0x118/0x190 [ 151.242052][ C1] ? __pfx_process_timeout+0x10/0x10 [ 151.247646][ C1] rcu_gp_fqs_loop+0x17a/0x570 [ 151.252379][ C1] rcu_gp_kthread+0x1c/0x110 [ 151.256933][ C1] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 151.262097][ C1] kthread+0xec/0x100 [ 151.266065][ C1] ? __pfx_kthread+0x10/0x10 [ 151.270642][ C1] ret_from_fork+0x34/0x40 [ 151.275028][ C1] ? __pfx_kthread+0x10/0x10 [ 151.279671][ C1] ret_from_fork_asm+0x1a/0x30 [ 151.284403][ C1] [ 151.287391][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 151.293680][ C1] CPU: 1 PID: 4586 Comm: syz-executor.4 Not tainted 6.10.0-rc2-syzkaller #0 [ 151.302314][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 151.312334][ C1] RIP: 0010:copy_fpstate_to_sigframe+0x382/0x450 [ 151.318626][ C1] Code: fd ff ff 48 8d 4d 6e 31 d2 31 c0 e8 28 70 60 01 85 c9 0f 85 08 fd ff ff 48 c7 44 24 38 00 00 00 00 48 c7 44 24 30 00 00 00 00 <48> c7 44 24 28 00 00 00 00 48 c7 44 24 20 00 00 00 00 c7 44 24 10 [ 151.338387][ C1] RSP: 0018:ffffc900021fbd08 EFLAGS: 00000246 [ 151.344426][ C1] RAX: 0000000080000000 RBX: ffff88810c3a3680 RCX: 0000000000000001 [ 151.352546][ C1] RDX: 0000000000000000 RSI: ffffffff831aeed3 RDI: 00000000ffffffff [ 151.360492][ C1] RBP: 00007f453874fd80 R08: 0000000000000344 R09: 0000000000000000 [ 151.368437][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff81048317 [ 151.376386][ C1] R13: ffff88810c3a4e00 R14: 00007f453874fd80 R15: 0000000000000007 [ 151.384336][ C1] FS: 00007f45387506c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 [ 151.393233][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 151.399784][ C1] CR2: 00007f453874ff80 CR3: 00000001063f8000 CR4: 0000000000350ef0 [ 151.407726][ C1] Call Trace: [ 151.410977][ C1] [ 151.413796][ C1] ? rcu_check_gp_kthread_starvation+0x124/0x140 [ 151.420092][ C1] ? rcu_sched_clock_irq+0xdab/0x10b0 [ 151.425439][ C1] ? __pfx_tick_nohz_handler+0x10/0x10 [ 151.430865][ C1] ? update_process_times+0x76/0xa0 [ 151.436034][ C1] ? tick_nohz_handler+0xc9/0x120 [ 151.441030][ C1] ? __hrtimer_run_queues+0x170/0x2e0 [ 151.446371][ C1] ? hrtimer_interrupt+0xf9/0x3a0 [ 151.451361][ C1] ? __sysvec_apic_timer_interrupt+0x86/0x1c0 [ 151.457397][ C1] ? sysvec_apic_timer_interrupt+0x8d/0xb0 [ 151.463167][ C1] [ 151.466070][ C1] [ 151.468973][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 151.475092][ C1] ? copy_fpstate_to_sigframe+0xb7/0x450 [ 151.480693][ C1] ? copy_fpstate_to_sigframe+0x382/0x450 [ 151.486377][ C1] ? copy_fpstate_to_sigframe+0x198/0x450 [ 151.492063][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 151.497662][ C1] get_sigframe+0x148/0x1d0 [ 151.502133][ C1] x64_setup_rt_frame+0x75/0x2f0 [ 151.507035][ C1] arch_do_signal_or_restart+0x128/0x2a0 [ 151.512643][ C1] syscall_exit_to_user_mode+0x57/0x1c0 [ 151.518158][ C1] do_syscall_64+0x9a/0x170 [ 151.522629][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 151.528230][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 151.534090][ C1] RIP: 0033:0x7f4537a7dda7 [ 151.538476][ C1] Code: 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 [ 151.558051][ C1] RSP: 002b:00007f4538750178 EFLAGS: 00000246 [ 151.564084][ C1] RAX: 00000000000000ca RBX: 00007f4537babf88 RCX: 00007f4537a7dda9 [ 151.572113][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4537babf88 [ 151.580051][ C1] RBP: 00007f4537babf80 R08: 00007f45387506c0 R09: 00007f45387506c0 [ 151.588603][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4537babf8c [ 151.596729][ C1] R13: 0000000000000006 R14: 00007ffd0c1c54d0 R15: 00007ffd0c1c55b8 [ 151.604787][ C1]