syzkaller
syzkaller login: [ 32.047778][ T1067] cgroup: Unknown subsys name 'net'
[ 32.049766][ T1067] cgroup: Unknown subsys name 'net_prio'
[ 32.051863][ T1067] cgroup: Unknown subsys name 'devices'
[ 32.053984][ T1067] cgroup: Unknown subsys name 'blkio'
[ 32.123769][ T1067] cgroup: Unknown subsys name 'hugetlb'
[ 32.129631][ T1067] cgroup: Unknown subsys name 'rlimit'
[ 32.185179][ T1074] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 33.254492][ T1110] syz-executor.0 (1110) used greatest stack depth: 11712 bytes left
Warning: Permanently added '10.128.1.50' (ED25519) to the list of known hosts.
2024/11/19 08:20:39 ignoring optional flag "sandboxArg"="0"
2024/11/19 08:20:39 ignoring optional flag "type"="gce"
2024/11/19 08:20:39 parsed 1 programs
[ 51.656576][ T2026] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
2024/11/19 08:20:40 executed programs: 0
[ 154.892718][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 154.899327][ C0] rcu: 0-...!: (10000 ticks this GP) idle=029/1/0x4000000000000000 softirq=5027/5027 fqs=40
[ 154.909557][ C0] (t=10002 jiffies g=1765 q=94)
[ 154.914656][ C0] rcu: rcu_preempt kthread timer wakeup didn't happen for 9922 jiffies! g1765 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
[ 154.926870][ C0] rcu: Possible timer handling issue on cpu=1 timer-softirq=663
[ 154.934561][ C0] rcu: rcu_preempt kthread starved for 9925 jiffies! g1765 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
[ 154.946012][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 154.956067][ C0] rcu: RCU grace-period kthread stack dump:
[ 154.961943][ C0] task:rcu_preempt state:I stack:14336 pid: 13 ppid: 2 flags:0x00004000
[ 154.971413][ C0] Call Trace:
[ 154.974695][ C0]
[ 154.977636][ C0] __schedule+0x378/0x13e0
[ 154.982173][ C0] ? __mod_timer+0x230/0x3c0
[ 154.986779][ C0] schedule+0x68/0xb0
[ 154.990736][ C0] schedule_timeout+0xaf/0x140
[ 154.995575][ C0] ? destroy_timer_on_stack+0x10/0x10
[ 155.001002][ C0] rcu_gp_fqs_loop+0xfd/0x370
[ 155.005736][ C0] ? rcu_gp_init+0x5b0/0x5b0
[ 155.010293][ C0] rcu_gp_kthread+0x89/0xf0
[ 155.014766][ C0] kthread+0x124/0x150
[ 155.018809][ C0] ? set_kthread_struct+0x40/0x40
[ 155.023942][ C0] ret_from_fork+0x1f/0x30
[ 155.028334][ C0]
[ 155.031343][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 155.037730][ C0] Sending NMI from CPU 0 to CPUs 1:
[ 155.043013][ C1] NMI backtrace for cpu 1
[ 155.043023][ C1] CPU: 1 PID: 2977 Comm: syz-executor.0 Not tainted 5.15.173-syzkaller #0
[ 155.043027][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
[ 155.043032][ C1] RIP: 0010:__pv_queued_spin_lock_slowpath+0xed/0x2c0
[ 155.043044][ C1] Code: 00 01 00 00 3c 02 0f 94 c0 0f b6 c0 48 89 04 24 c6 43 14 00 ba 00 80 00 00 c6 45 01 01 eb 0b f3 90 83 ea 01 0f 84 66 01 00 00 <0f> b6 45 00 84 c0 75 ed 44 89 f0 f0 66 44 0f b1 6d 00 66 3d 00 01
[ 155.043046][ C1] RSP: 0018:ffffc90003227db0 EFLAGS: 00000206
[ 155.043050][ C1] RAX: 0000000000000003 RBX: ffff88813bd2c780 RCX: 0000000000000008
[ 155.043051][ C1] RDX: 0000000000006f6c RSI: 0000000000000003 RDI: ffff888106a3c548
[ 155.043053][ C1] RBP: ffff888106a3c548 R08: ffff88823ffeed00 R09: 0000000000000000
[ 155.043055][ C1] R10: ffff88813bd2c780 R11: 0000000000000001 R12: 0000000000000000
[ 155.043056][ C1] R13: 0000000000000001 R14: 0000000000000100 R15: 0000000000080000
[ 155.043058][ C1] FS: 0000555575618480(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000
[ 155.043061][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 155.043062][ C1] CR2: 000000c00122a622 CR3: 0000000109000000 CR4: 00000000003506e0
[ 155.043073][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 155.043074][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 155.043076][ C1] Call Trace:
[ 155.043078][ C1]
[ 155.043079][ C1] ? nmi_cpu_backtrace.cold+0x1c/0x80
[ 155.043084][ C1] ? nmi_cpu_backtrace_handler+0x8/0x10
[ 155.043090][ C1] ? nmi_handle+0xb5/0x160
[ 155.043094][ C1] ? default_do_nmi+0x42/0x240
[ 155.043098][ C1] ? exc_nmi+0xe6/0x110
[ 155.043100][ C1] ? end_repeat_nmi+0x16/0x31
[ 155.043105][ C1] ? __pv_queued_spin_lock_slowpath+0xed/0x2c0
[ 155.043108][ C1] ? __pv_queued_spin_lock_slowpath+0xed/0x2c0
[ 155.043110][ C1] ? __pv_queued_spin_lock_slowpath+0xed/0x2c0
[ 155.043112][ C1]
[ 155.043113][ C1]
[ 155.043114][ C1] do_raw_spin_lock+0x99/0xa0
[ 155.043117][ C1] lock_sock_nested+0x36/0x60
[ 155.043123][ C1] ? tipc_release+0x3b/0x5c0
[ 155.043128][ C1] tipc_release+0x3b/0x5c0
[ 155.043132][ C1] ? __sock_release+0x28/0xa0
[ 155.043135][ C1] __sock_release+0x32/0xa0
[ 155.043137][ C1] sock_close+0xf/0x20
[ 155.043139][ C1] __fput+0x8d/0x250
[ 155.043145][ C1] task_work_run+0x54/0x80
[ 155.043149][ C1] exit_to_user_mode_prepare+0x15d/0x160
[ 155.043155][ C1] syscall_exit_to_user_mode+0x12/0x30
[ 155.043159][ C1] do_syscall_64+0x40/0x80
[ 155.043165][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 155.043168][ C1] RIP: 0033:0x7fcf5a218dda
[ 155.043183][ C1] Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24
[ 155.043185][ C1] RSP: 002b:00007fff876cf590 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[ 155.043188][ C1] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007fcf5a218dda
[ 155.043189][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 155.043191][ C1] RBP: 00007fcf5a34a980 R08: 0000001b2fe60000 R09: 00007fff877c3080
[ 155.043192][ C1] R10: 00007fff877c3090 R11: 0000000000000293 R12: 000000000000d96d
[ 155.043194][ C1] R13: 00007fcf5a34905c R14: 00007fcf5a349050 R15: 0000000000000032
[ 155.043196][ C1]
[ 155.044043][ C0] NMI backtrace for cpu 0
[ 155.381295][ C0] CPU: 0 PID: 2978 Comm: syz-executor.0 Not tainted 5.15.173-syzkaller #0
[ 155.390050][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
[ 155.400181][ C0] Call Trace:
[ 155.403438][ C0]
[ 155.406259][ C0] dump_stack_lvl+0x41/0x5e
[ 155.410907][ C0] nmi_cpu_backtrace.cold+0x32/0x80
[ 155.416166][ C0] ? lapic_can_unplug_cpu+0x80/0x80
[ 155.421333][ C0] nmi_trigger_cpumask_backtrace+0x91/0xb0
[ 155.427170][ C0] rcu_dump_cpu_stacks+0xa5/0xd3
[ 155.432078][ C0] rcu_sched_clock_irq.cold+0x1ca/0x441
[ 155.438030][ C0] ? find_held_lock+0x2b/0x80
[ 155.442677][ C0] ? scheduler_tick+0xe8/0x150
[ 155.447436][ C0] ? find_held_lock+0x2b/0x80
[ 155.452099][ C0] ? tick_sched_timer+0x15/0x70
[ 155.457016][ C0] update_process_times+0x87/0xc0
[ 155.462016][ C0] tick_sched_handle+0x1d/0x50
[ 155.466747][ C0] tick_sched_timer+0x5c/0x70
[ 155.471404][ C0] ? tick_sched_do_timer+0xf0/0xf0
[ 155.476570][ C0] __hrtimer_run_queues+0x138/0x330
[ 155.481885][ C0] hrtimer_interrupt+0x109/0x230
[ 155.486806][ C0] __sysvec_apic_timer_interrupt+0x63/0x130
[ 155.492803][ C0] sysvec_apic_timer_interrupt+0x65/0x90
[ 155.498415][ C0]
[ 155.501326][ C0]
[ 155.504353][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 155.510508][ C0] RIP: 0010:lock_acquire+0xbb/0x150
[ 155.515715][ C0] Code: ff ff b8 ff ff ff ff 48 83 c4 18 65 0f c1 05 2c 48 f5 7e 83 f8 01 0f 85 8b 00 00 00 9c 58 f6 c4 02 75 7a 4d 85 ff 74 01 fb 5b <5d> 41 5c 41 5d 41 5e 41 5f c3 65 8b 05 b4 e4 f4 7e 89 c0 48 0f a3
[ 155.535776][ C0] RSP: 0018:ffffc900032c7660 EFLAGS: 00000206
[ 155.541819][ C0] RAX: 0000000000000046 RBX: 000000000000001f RCX: 000000007845f0a2
[ 155.549859][ C0] RDX: 000000000be61964 RSI: 000000006bce4f4f RDI: 000000000c77a153
[ 155.558046][ C0] RBP: ffffffff83177500 R08: 0000000000020015 R09: 0000000000000000
[ 155.566013][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[ 155.574129][ C0] R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000200
[ 155.582161][ C0] tipc_sk_lookup+0x40/0x1e0
[ 155.586829][ C0] ? rcvbuf_limit.isra.0+0x70/0x70
[ 155.591917][ C0] tipc_sk_rcv+0xb7/0x8f0
[ 155.596218][ C0] ? tipc_buf_acquire+0x1a/0x50
[ 155.601059][ C0] ? find_held_lock+0x2b/0x80
[ 155.605705][ C0] ? lockdep_init_map_type+0x49/0x150
[ 155.611117][ C0] tipc_node_xmit+0xc3/0x410
[ 155.615868][ C0] ? tipc_buf_acquire+0x1a/0x50
[ 155.620698][ C0] ? kfree+0xe6/0x4b0
[ 155.624649][ C0] tipc_node_xmit_skb+0x34/0x50
[ 155.629470][ C0] tipc_sk_rcv+0x72b/0x8f0
[ 155.633852][ C0] ? find_held_lock+0x2b/0x80
[ 155.638600][ C0] ? lockdep_init_map_type+0x49/0x150
[ 155.643967][ C0] tipc_node_xmit+0xc3/0x410
[ 155.648662][ C0] ? find_held_lock+0x2b/0x80
[ 155.653310][ C0] ? finish_task_switch.isra.0+0xb0/0x240
[ 155.659006][ C0] tipc_sk_push_backlog+0x94/0x190
[ 155.664123][ C0] tipc_sk_filter_rcv+0x22f/0xed0
[ 155.669140][ C0] ? tipc_sk_rcv+0x1a2/0x8f0
[ 155.673809][ C0] tipc_sk_rcv+0x405/0x8f0
[ 155.678198][ C0] ? find_held_lock+0x2b/0x80
[ 155.682844][ C0] ? lockdep_init_map_type+0x49/0x150
[ 155.688186][ C0] tipc_node_xmit+0xc3/0x410
[ 155.692749][ C0] ? tipc_sk_filter_rcv+0xb0e/0xed0
[ 155.697950][ C0] ? tipc_sendstream+0x37/0x50
[ 155.702698][ C0] tipc_node_distr_xmit+0xac/0xe0
[ 155.707789][ C0] tipc_sk_backlog_rcv+0x53/0x80
[ 155.712808][ C0] ? do_raw_spin_unlock+0x50/0xa0
[ 155.718343][ C0] __release_sock+0x54/0xd0
[ 155.722905][ C0] release_sock+0x26/0xa0
[ 155.727226][ C0] tipc_release+0x37f/0x5c0
[ 155.731711][ C0] __sock_release+0x32/0xa0
[ 155.736282][ C0] sock_close+0xf/0x20
[ 155.740439][ C0] __fput+0x8d/0x250
[ 155.744332][ C0] task_work_run+0x54/0x80
[ 155.748722][ C0] exit_to_user_mode_prepare+0x15d/0x160
[ 155.754342][ C0] syscall_exit_to_user_mode+0x12/0x30
[ 155.759779][ C0] do_syscall_64+0x40/0x80
[ 155.764169][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 155.770033][ C0] RIP: 0033:0x7fcf5a219ee9
[ 155.774441][ C0] Code: 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 01 48
[ 155.794107][ C0] RSP: 002b:00007fcf59d9c0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 155.802589][ C0] RAX: 00000000000203a0 RBX: 00007fcf5a348f80 RCX: 00007fcf5a219ee9
[ 155.811020][ C0] RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000003
[ 155.819104][ C0] RBP: 00007fcf5a26649e R08: 0000000000000000 R09: 0000000000000000
[ 155.827143][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 155.835131][ C0] R13: 0000000000000006 R14: 00007fcf5a348f80 R15: 00007fff876cf4c8
[ 155.843275][ C0]