Warning: Permanently added '10.128.10.54' (ED25519) to the list of known hosts. 2025/05/23 19:34:16 ignoring optional flag "sandboxArg"="0" 2025/05/23 19:34:17 parsed 1 programs [ 52.958953][ T1737] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 2025/05/23 19:34:19 executed programs: 0 2025/05/23 19:34:24 executed programs: 698 [ 163.156440][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 163.163046][ C0] rcu: 0-...!: (10000 ticks this GP) idle=571/1/0x4000000000000000 softirq=12557/12557 fqs=1 [ 163.173346][ C0] (t=10002 jiffies g=3821 q=699) [ 163.178340][ C0] rcu: rcu_preempt kthread timer wakeup didn't happen for 10000 jiffies! g3821 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 163.190537][ C0] rcu: Possible timer handling issue on cpu=1 timer-softirq=1090 [ 163.198392][ C0] rcu: rcu_preempt kthread starved for 10003 jiffies! g3821 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 163.209634][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 163.219573][ C0] rcu: RCU grace-period kthread stack dump: [ 163.225541][ C0] task:rcu_preempt state:I stack:14336 pid: 13 ppid: 2 flags:0x00004000 [ 163.234716][ C0] Call Trace: [ 163.237978][ C0] [ 163.240894][ C0] __schedule+0x378/0x13e0 [ 163.245284][ C0] ? __mod_timer+0x250/0x3c0 [ 163.249843][ C0] schedule+0x68/0xb0 [ 163.253815][ C0] schedule_timeout+0xaf/0x140 [ 163.258554][ C0] ? destroy_timer_on_stack+0x10/0x10 [ 163.263897][ C0] rcu_gp_fqs_loop+0xfd/0x370 [ 163.268544][ C0] ? rcu_gp_init+0x5b0/0x5b0 [ 163.273205][ C0] rcu_gp_kthread+0x89/0xf0 [ 163.277715][ C0] kthread+0x124/0x150 [ 163.281787][ C0] ? set_kthread_struct+0x40/0x40 [ 163.286796][ C0] ret_from_fork+0x1f/0x30 [ 163.291183][ C0] [ 163.294183][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 163.300511][ C0] Sending NMI from CPU 0 to CPUs 1: [ 163.305715][ C1] NMI backtrace for cpu 1 [ 163.305723][ C1] CPU: 1 PID: 8747 Comm: syz.3.1487 Not tainted 5.15.184-syzkaller #0 [ 163.305729][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 163.305734][ C1] RIP: 0010:kvm_wait+0x3e/0x40 [ 163.305747][ C1] Code: 0b fa 0f b6 07 40 38 f0 74 15 fb c3 0f b6 07 40 38 c6 75 f7 66 90 0f 00 2d fd d9 7b 01 f4 c3 66 90 0f 00 2d f2 d9 7b 01 fb f4 90 8b 05 4a 1d 22 02 83 f8 ff 74 06 85 c0 0f 95 c0 c3 e8 6a fa [ 163.305749][ C1] RSP: 0018:ffffc9000415bc30 EFLAGS: 00000246 [ 163.305751][ C1] RAX: 0000000000000003 RBX: ffff88813bd2c780 RCX: 0000000000000008 [ 163.305753][ C1] RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff888114075e48 [ 163.305755][ C1] RBP: ffff888114075e48 R08: ffff88823ffee1c0 R09: 0000000000000000 [ 163.305756][ C1] R10: ffff88813bd2c780 R11: 0000000000000001 R12: 0000000000000000 [ 163.305758][ C1] R13: 0000000000000001 R14: 0000000000000100 R15: 0000000000080000 [ 163.305759][ C1] FS: 00007f66f387f6c0(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 [ 163.305762][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 163.305763][ C1] CR2: 00007f66f387ef98 CR3: 0000000114276000 CR4: 00000000003506e0 [ 163.305768][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 163.305769][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 163.305770][ C1] Call Trace: [ 163.305772][ C1] [ 163.305773][ C1] __pv_queued_spin_lock_slowpath+0x279/0x2c0 [ 163.305778][ C1] do_raw_spin_lock+0x99/0xa0 [ 163.305780][ C1] lock_sock_nested+0x36/0x60 [ 163.305787][ C1] ? tipc_sendstream+0x1e/0x50 [ 163.305791][ C1] tipc_sendstream+0x1e/0x50 [ 163.305794][ C1] __sock_sendmsg+0x2e/0x40 [ 163.305797][ C1] ____sys_sendmsg+0x234/0x250 [ 163.305800][ C1] ? import_iovec+0x17/0x20 [ 163.305805][ C1] ? sendmsg_copy_msghdr+0x77/0xa0 [ 163.305808][ C1] ___sys_sendmsg+0x6e/0xb0 [ 163.305811][ C1] ? find_held_lock+0x2b/0x80 [ 163.305813][ C1] ? __handle_mm_fault+0xaea/0x1810 [ 163.305817][ C1] ? find_held_lock+0x2b/0x80 [ 163.305819][ C1] ? __fget_files+0x96/0xe0 [ 163.305822][ C1] ? __fget_files+0xae/0xe0 [ 163.305824][ C1] __sys_sendmsg+0x54/0xa0 [ 163.305827][ C1] ? vtime_user_exit+0x6d/0xa0 [ 163.305830][ C1] do_syscall_64+0x33/0x80 [ 163.305834][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 163.305838][ C1] RIP: 0033:0x7f66f3e2dde9 [ 163.305852][ C1] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 163.305854][ C1] RSP: 002b:00007f66f387f038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 163.305857][ C1] RAX: ffffffffffffffda RBX: 00007f66f4047080 RCX: 00007f66f3e2dde9 [ 163.305859][ C1] RDX: 0000000000000000 RSI: 0000400000000200 RDI: 0000000000000004 [ 163.305860][ C1] RBP: 00007f66f3eaf2a0 R08: 0000000000000000 R09: 0000000000000000 [ 163.305862][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 163.305864][ C1] R13: 0000000000000001 R14: 00007f66f4047080 R15: 00007ffcbc9a9308 [ 163.305865][ C1] [ 163.306744][ C0] NMI backtrace for cpu 0 [ 163.615221][ C0] CPU: 0 PID: 8745 Comm: syz.3.1487 Not tainted 5.15.184-syzkaller #0 [ 163.623337][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 163.633373][ C0] Call Trace: [ 163.636631][ C0] [ 163.639450][ C0] dump_stack_lvl+0x41/0x5e [ 163.643925][ C0] nmi_cpu_backtrace.cold+0x32/0x80 [ 163.649090][ C0] ? lapic_can_unplug_cpu+0x80/0x80 [ 163.654255][ C0] nmi_trigger_cpumask_backtrace+0x91/0xb0 [ 163.660152][ C0] rcu_dump_cpu_stacks+0xa5/0xd3 [ 163.665058][ C0] rcu_sched_clock_irq.cold+0x1ca/0x441 [ 163.670570][ C0] ? find_held_lock+0x2b/0x80 [ 163.675214][ C0] ? scheduler_tick+0xe8/0x150 [ 163.679945][ C0] ? find_held_lock+0x2b/0x80 [ 163.684585][ C0] ? tick_sched_timer+0x15/0x70 [ 163.689401][ C0] update_process_times+0x87/0xc0 [ 163.694413][ C0] tick_sched_handle+0x1d/0x50 [ 163.699167][ C0] tick_sched_timer+0x5c/0x70 [ 163.703808][ C0] ? tick_sched_do_timer+0xf0/0xf0 [ 163.708885][ C0] __hrtimer_run_queues+0x138/0x330 [ 163.714069][ C0] hrtimer_interrupt+0x109/0x230 [ 163.718979][ C0] __sysvec_apic_timer_interrupt+0x63/0x130 [ 163.724943][ C0] sysvec_apic_timer_interrupt+0x65/0x90 [ 163.730545][ C0] [ 163.733450][ C0] [ 163.736353][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 163.742480][ C0] RIP: 0010:tipc_sk_lookup+0x13e/0x1e0 [ 163.747915][ C0] Code: 00 48 89 44 24 10 48 29 c5 49 8d 3c 2e 4c 89 e2 48 8d 74 24 1c e8 92 42 62 ff 85 c0 75 56 4d 85 f6 74 27 4c 2b 74 24 10 74 20 <49> 8d be 80 00 00 00 b8 01 00 00 00 f0 41 0f c1 86 80 00 00 00 85 [ 163.767507][ C0] RSP: 0018:ffffc900041b76c0 EFLAGS: 00000286 [ 163.773545][ C0] RAX: 0000000000000000 RBX: ffff888109210000 RCX: 00000000000000ca [ 163.781484][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8881140762c0 [ 163.789423][ C0] RBP: ffffffffffffff78 R08: ffffc900041b76dc R09: ffffc900041b76dc [ 163.797366][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000004 [ 163.805434][ C0] R13: ffff888114011840 R14: ffff888114075dc0 R15: ffff888114011000 [ 163.813385][ C0] tipc_sk_rcv+0xb7/0x8f0 [ 163.817691][ C0] ? find_held_lock+0x2b/0x80 [ 163.822430][ C0] ? lockdep_init_map_type+0x49/0x150 [ 163.827773][ C0] tipc_node_xmit+0xc3/0x410 [ 163.832337][ C0] ? skb_release_data+0x136/0x150 [ 163.837332][ C0] ? kfree+0xe6/0x4b0 [ 163.841287][ C0] tipc_node_distr_xmit+0xac/0xe0 [ 163.846279][ C0] ? verify_cpu+0x100/0x100 [ 163.850750][ C0] tipc_sk_rcv+0x2e8/0x8f0 [ 163.855138][ C0] ? __kernel_text_address+0x30/0x90 [ 163.860391][ C0] ? unwind_get_return_address+0x16/0x30 [ 163.866145][ C0] ? find_held_lock+0x2b/0x80 [ 163.870798][ C0] ? lockdep_init_map_type+0x49/0x150 [ 163.876143][ C0] tipc_node_xmit+0xc3/0x410 [ 163.880707][ C0] ? find_held_lock+0x2b/0x80 [ 163.885355][ C0] ? __tipc_nl_add_sk+0xf0/0xf0 [ 163.890175][ C0] tipc_sk_push_backlog+0x94/0x190 [ 163.895526][ C0] tipc_sk_filter_rcv+0xd6c/0xed0 [ 163.900519][ C0] ? tipc_sk_rcv+0x1a2/0x8f0 [ 163.905076][ C0] tipc_sk_rcv+0x405/0x8f0 [ 163.909478][ C0] ? tipc_buf_acquire+0x1a/0x50 [ 163.914381][ C0] ? find_held_lock+0x2b/0x80 [ 163.919187][ C0] ? lockdep_init_map_type+0x49/0x150 [ 163.924524][ C0] tipc_node_xmit+0xc3/0x410 [ 163.929081][ C0] ? tipc_sk_filter_rcv+0xb0e/0xed0 [ 163.934244][ C0] tipc_node_distr_xmit+0xac/0xe0 [ 163.939235][ C0] tipc_sk_backlog_rcv+0x53/0x80 [ 163.944140][ C0] ? do_raw_spin_unlock+0x50/0xa0 [ 163.949129][ C0] __release_sock+0x54/0xd0 [ 163.953607][ C0] release_sock+0x26/0xa0 [ 163.957911][ C0] sock_setsockopt+0xb3/0xcb0 [ 163.962566][ C0] ? __fget_files+0xae/0xe0 [ 163.967057][ C0] __sys_setsockopt+0xe8/0x100 [ 163.971793][ C0] __x64_sys_setsockopt+0x1c/0x20 [ 163.976796][ C0] do_syscall_64+0x33/0x80 [ 163.981190][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 163.987054][ C0] RIP: 0033:0x7f66f3e2dde9 [ 163.991443][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 164.011041][ C0] RSP: 002b:00007f66f38a0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 164.019424][ C0] RAX: ffffffffffffffda RBX: 00007f66f4046fa0 RCX: 00007f66f3e2dde9 [ 164.027363][ C0] RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 [ 164.035306][ C0] RBP: 00007f66f3eaf2a0 R08: 0000000000000004 R09: 0000000000000000 [ 164.043244][ C0] R10: 0000400000000540 R11: 0000000000000246 R12: 0000000000000000 [ 164.051182][ C0] R13: 0000000000000000 R14: 00007f66f4046fa0 R15: 00007ffcbc9a9308 [ 164.059124][ C0]