Warning: Permanently added '10.128.0.148' (ED25519) to the list of known hosts. 2025/06/06 22:46:32 ignoring optional flag "sandboxArg"="0" 2025/06/06 22:46:33 parsed 1 programs [ 133.279305][ T5857] cgroup: Unknown subsys name 'net' [ 133.377030][ T5857] cgroup: Unknown subsys name 'cpuset' [ 133.386611][ T5857] cgroup: Unknown subsys name 'rlimit' [ 134.840067][ T5857] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 137.587250][ T5863] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 138.176330][ T1109] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 138.188851][ T1109] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 138.221575][ T59] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 138.231789][ T59] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 138.805335][ T5891] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 138.815556][ T5891] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 138.823835][ T5891] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 138.834515][ T5891] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 138.843130][ T5891] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 139.389760][ T5897] chnl_net:caif_netlink_parms(): no params data found [ 139.490003][ T5897] bridge0: port 1(bridge_slave_0) entered blocking state [ 139.499202][ T5897] bridge0: port 1(bridge_slave_0) entered disabled state [ 139.506731][ T5897] bridge_slave_0: entered allmulticast mode [ 139.515242][ T5897] bridge_slave_0: entered promiscuous mode [ 139.524569][ T5897] bridge0: port 2(bridge_slave_1) entered blocking state [ 139.531730][ T5897] bridge0: port 2(bridge_slave_1) entered disabled state [ 139.539072][ T5897] bridge_slave_1: entered allmulticast mode [ 139.546554][ T5897] bridge_slave_1: entered promiscuous mode [ 139.582826][ T5897] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 139.595297][ T5897] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 139.634931][ T5897] team0: Port device team_slave_0 added [ 139.643780][ T5897] team0: Port device team_slave_1 added [ 139.676692][ T5897] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 139.683691][ T5897] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 139.710070][ T5897] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 139.725268][ T5897] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 139.732433][ T5897] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 139.758803][ T5897] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 139.809639][ T5897] hsr_slave_0: entered promiscuous mode [ 139.816468][ T5897] hsr_slave_1: entered promiscuous mode [ 139.984210][ T5897] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 139.997389][ T5897] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 140.007737][ T5897] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 140.019095][ T5897] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 140.055955][ T5897] bridge0: port 2(bridge_slave_1) entered blocking state [ 140.063213][ T5897] bridge0: port 2(bridge_slave_1) entered forwarding state [ 140.071047][ T5897] bridge0: port 1(bridge_slave_0) entered blocking state [ 140.078229][ T5897] bridge0: port 1(bridge_slave_0) entered forwarding state [ 140.139429][ T5897] 8021q: adding VLAN 0 to HW filter on device bond0 [ 140.158559][ T59] bridge0: port 1(bridge_slave_0) entered disabled state [ 140.167943][ T59] bridge0: port 2(bridge_slave_1) entered disabled state [ 140.184265][ T5897] 8021q: adding VLAN 0 to HW filter on device team0 [ 140.198967][ T1109] bridge0: port 1(bridge_slave_0) entered blocking state [ 140.206368][ T1109] bridge0: port 1(bridge_slave_0) entered forwarding state [ 140.221624][ T180] bridge0: port 2(bridge_slave_1) entered blocking state [ 140.228805][ T180] bridge0: port 2(bridge_slave_1) entered forwarding state [ 140.445576][ T5897] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 140.495709][ T5897] veth0_vlan: entered promiscuous mode [ 140.507948][ T5897] veth1_vlan: entered promiscuous mode [ 140.539814][ T5897] veth0_macvtap: entered promiscuous mode [ 140.550235][ T5897] veth1_macvtap: entered promiscuous mode [ 140.569473][ T5897] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 140.585679][ T5897] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 140.598814][ T5897] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 140.608052][ T5897] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 140.617449][ T5897] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 140.626506][ T5897] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 140.772672][ T5897] syz-executor (5897) used greatest stack depth: 20040 bytes left [ 140.811726][ T59] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 140.878275][ T59] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 140.935420][ T59] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 141.006762][ T59] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/06/06 22:46:47 executed programs: 0 [ 143.123431][ T5149] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 143.131653][ T5149] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 143.141456][ T5149] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 143.151462][ T5149] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 143.159682][ T5149] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 143.354355][ T5954] chnl_net:caif_netlink_parms(): no params data found [ 143.444461][ T5954] bridge0: port 1(bridge_slave_0) entered blocking state [ 143.451661][ T5954] bridge0: port 1(bridge_slave_0) entered disabled state [ 143.459240][ T5954] bridge_slave_0: entered allmulticast mode [ 143.466839][ T5954] bridge_slave_0: entered promiscuous mode [ 143.476250][ T5954] bridge0: port 2(bridge_slave_1) entered blocking state [ 143.483698][ T5954] bridge0: port 2(bridge_slave_1) entered disabled state [ 143.490931][ T5954] bridge_slave_1: entered allmulticast mode [ 143.498532][ T5954] bridge_slave_1: entered promiscuous mode [ 143.537285][ T5954] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 143.550165][ T5954] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 143.590160][ T5954] team0: Port device team_slave_0 added [ 143.598804][ T5954] team0: Port device team_slave_1 added [ 143.639006][ T5954] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 143.646430][ T5954] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 143.672895][ T5954] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 143.686023][ T5954] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 143.693056][ T5954] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 143.719980][ T5954] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 143.789079][ T5954] hsr_slave_0: entered promiscuous mode [ 143.797370][ T5954] hsr_slave_1: entered promiscuous mode [ 143.804509][ T5954] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 143.812652][ T5954] Cannot create hsr debugfs directory [ 143.912911][ T59] bridge_slave_1: left allmulticast mode [ 143.918700][ T59] bridge_slave_1: left promiscuous mode [ 143.925485][ T59] bridge0: port 2(bridge_slave_1) entered disabled state [ 143.936784][ T59] bridge_slave_0: left allmulticast mode [ 143.943873][ T59] bridge_slave_0: left promiscuous mode [ 143.949643][ T59] bridge0: port 1(bridge_slave_0) entered disabled state [ 144.190858][ T59] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 144.204236][ T59] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 144.214634][ T59] bond0 (unregistering): Released all slaves [ 144.323645][ T59] hsr_slave_0: left promiscuous mode [ 144.329891][ T59] hsr_slave_1: left promiscuous mode [ 144.338234][ T59] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 144.345965][ T59] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 144.357199][ T59] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 144.364880][ T59] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 144.388904][ T59] veth1_macvtap: left promiscuous mode [ 144.403719][ T59] veth0_macvtap: left promiscuous mode [ 144.409464][ T59] veth1_vlan: left promiscuous mode [ 144.416497][ T59] veth0_vlan: left promiscuous mode [ 144.871413][ T59] team0 (unregistering): Port device team_slave_1 removed [ 144.904820][ T59] team0 (unregistering): Port device team_slave_0 removed [ 145.233059][ T5891] Bluetooth: hci0: command tx timeout [ 146.033582][ T5954] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 146.048305][ T5954] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 146.061810][ T5954] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 146.075425][ T5954] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 146.324879][ T5954] 8021q: adding VLAN 0 to HW filter on device bond0 [ 146.395726][ T5954] 8021q: adding VLAN 0 to HW filter on device team0 [ 146.457021][ T4542] bridge0: port 1(bridge_slave_0) entered blocking state [ 146.464363][ T4542] bridge0: port 1(bridge_slave_0) entered forwarding state [ 146.510825][ T49] bridge0: port 2(bridge_slave_1) entered blocking state [ 146.518054][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state [ 146.999837][ T5954] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 147.055874][ T5954] veth0_vlan: entered promiscuous mode [ 147.077787][ T5954] veth1_vlan: entered promiscuous mode [ 147.116377][ T5954] veth0_macvtap: entered promiscuous mode [ 147.128670][ T5954] veth1_macvtap: entered promiscuous mode [ 147.166966][ T5954] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 147.185397][ T5954] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 147.199556][ T5954] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 147.213319][ T5954] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 147.223134][ T5954] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 147.231926][ T5954] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 147.313238][ T5891] Bluetooth: hci0: command tx timeout [ 147.320865][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 147.349140][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 147.388751][ T180] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 147.403569][ T180] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 252.591931][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 252.598988][ C0] rcu: 1-...!: (0 ticks this GP) idle=ea44/1/0x4000000000000000 softirq=16865/16865 fqs=0 [ 252.609606][ C0] rcu: (detected by 0, t=10506 jiffies, g=12149, q=251 ncpus=2) [ 252.617339][ C0] Sending NMI from CPU 0 to CPUs 1: [ 252.617374][ C1] NMI backtrace for cpu 1 [ 252.617388][ C1] CPU: 1 UID: 0 PID: 43 Comm: kworker/1:1 Not tainted 6.15.0-syzkaller-12426-ge271ed52b344 #0 PREEMPT(full) [ 252.617412][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 252.617427][ C1] Workqueue: events_power_efficient gc_worker [ 252.617458][ C1] RIP: 0010:__this_cpu_preempt_check+0x0/0x20 [ 252.617493][ C1] Code: 86 16 cd f5 eb a7 e8 bf e4 ff ff 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 89 fe 48 c7 c7 40 83 e2 8b e9 bd fe ff ff cc cc cc [ 252.617509][ C1] RSP: 0018:ffffc90000a08c20 EFLAGS: 00000046 [ 252.617526][ C1] RAX: 0000000000000001 RBX: 0000000000000001 RCX: 170f93910d12aa00 [ 252.617540][ C1] RDX: ffff8880206cbc00 RSI: ffff888031238300 RDI: ffffffff8db6970d [ 252.617556][ C1] RBP: 00000000ffffffff R08: 0000000000000003 R09: 0000000000000004 [ 252.617569][ C1] R10: dffffc0000000000 R11: fffff5200014117c R12: 0000000000000046 [ 252.617583][ C1] R13: ffff8880206cbc00 R14: ffff888031238300 R15: 0000000000000002 [ 252.617602][ C1] FS: 0000000000000000(0000) GS:ffff888125d55000(0000) knlGS:0000000000000000 [ 252.617623][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 252.617638][ C1] CR2: 00007f7f33a60d58 CR3: 00000000785a3000 CR4: 0000000000350ef0 [ 252.617654][ C1] Call Trace: [ 252.617664][ C1] [ 252.617672][ C1] lock_is_held_type+0xfe/0x190 [ 252.617705][ C1] advance_sched+0x1d2/0xc90 [ 252.617729][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 252.617754][ C1] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 252.617780][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 252.617810][ C1] ? __pfx_advance_sched+0x10/0x10 [ 252.617836][ C1] __hrtimer_run_queues+0x52c/0xc60 [ 252.617870][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 252.617904][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 252.617936][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 252.617961][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 252.617990][ C1] hrtimer_interrupt+0x45b/0xaa0 [ 252.618038][ C1] __sysvec_apic_timer_interrupt+0x10b/0x410 [ 252.618061][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 252.618087][ C1] [ 252.618094][ C1] [ 252.618102][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 252.618125][ C1] RIP: 0010:lock_is_held_type+0x14d/0x190 [ 252.618152][ C1] Code: 75 4c 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 05 09 f3 36 07 48 3b 44 24 08 75 43 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f <5d> e9 d8 83 aa f5 cc 90 0f 0b 90 48 c7 c7 47 cc 97 8d e8 fc 15 00 [ 252.618168][ C1] RSP: 0018:ffffc90000b372b0 EFLAGS: 00000286 [ 252.618185][ C1] RAX: 0000000000000000 RBX: ffffc90000b30000 RCX: 170f93910d12aa00 [ 252.618200][ C1] RDX: 0000000000000000 RSI: ffffffff8db6970d RDI: ffffffff8be28340 [ 252.618214][ C1] RBP: 00000000ffffffff R08: ffffffff8fa101f7 R09: 1ffffffff1f4203e [ 252.618229][ C1] R10: dffffc0000000000 R11: fffffbfff1f4203f R12: ffff8880b873c408 [ 252.618245][ C1] R13: dffffc0000000000 R14: ffff8880206cbc00 R15: ffff888125d55000 [ 252.618271][ C1] __schedule+0x274/0x4d00 [ 252.618296][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 252.618320][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 252.618343][ C1] ? sched_clock+0x3f/0x60 [ 252.618367][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 252.618391][ C1] ? sched_clock_cpu+0x74/0x430 [ 252.618423][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 252.618452][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 252.618476][ C1] ? preempt_schedule_common+0x83/0xd0 [ 252.618505][ C1] ? __pfx___schedule+0x10/0x10 [ 252.618529][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 252.618557][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 252.618580][ C1] ? __resched_curr+0x1f6/0x3d0 [ 252.618604][ C1] ? preempt_schedule+0xae/0xc0 [ 252.618637][ C1] preempt_schedule_common+0x83/0xd0 [ 252.618665][ C1] preempt_schedule+0xae/0xc0 [ 252.618690][ C1] ? __pfx_preempt_schedule+0x10/0x10 [ 252.618720][ C1] preempt_schedule_thunk+0x16/0x30 [ 252.618752][ C1] _raw_spin_unlock_irqrestore+0xfd/0x110 [ 252.618777][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 252.618805][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 252.618829][ C1] ? swake_up_one+0x78/0x140 [ 252.618853][ C1] rcu_preempt_deferred_qs_irqrestore+0x874/0xc40 [ 252.618892][ C1] ? __pfx_rcu_preempt_deferred_qs_irqrestore+0x10/0x10 [ 252.618926][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 252.618949][ C1] ? rcu_is_watching+0x15/0xb0 [ 252.618970][ C1] rcu_read_unlock_special+0x3fe/0x4c0 [ 252.618998][ C1] ? seqcount_lockdep_reader_access+0x175/0x1c0 [ 252.619023][ C1] ? __pfx_rcu_read_unlock_special+0x10/0x10 [ 252.619049][ C1] ? seqcount_lockdep_reader_access+0x17e/0x1c0 [ 252.619078][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 252.619105][ C1] __rcu_read_unlock+0x84/0xe0 [ 252.619132][ C1] gc_worker+0xbab/0x1380 [ 252.619163][ C1] ? gc_worker+0x264/0x1380 [ 252.619194][ C1] ? __pfx_gc_worker+0x10/0x10 [ 252.619218][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 252.619245][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 252.619268][ C1] ? process_scheduled_works+0x9ef/0x17b0 [ 252.619301][ C1] ? process_scheduled_works+0x9ef/0x17b0 [ 252.619334][ C1] process_scheduled_works+0xae1/0x17b0 [ 252.619383][ C1] ? __pfx_process_scheduled_works+0x10/0x10 [ 252.619420][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 252.619449][ C1] worker_thread+0x8a0/0xda0 [ 252.619469][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 252.619499][ C1] ? __kthread_parkme+0x7b/0x200 [ 252.619525][ C1] kthread+0x711/0x8a0 [ 252.619551][ C1] ? __pfx_worker_thread+0x10/0x10 [ 252.619570][ C1] ? __pfx_kthread+0x10/0x10 [ 252.619592][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 252.619622][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 252.619646][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 252.619670][ C1] ? lockdep_hardirqs_on+0x9c/0x150 [ 252.619695][ C1] ? __pfx_kthread+0x10/0x10 [ 252.619719][ C1] ret_from_fork+0x3fc/0x770 [ 252.619750][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 252.619784][ C1] ? __switch_to_asm+0x39/0x70 [ 252.619805][ C1] ? __switch_to_asm+0x33/0x70 [ 252.619825][ C1] ? __pfx_kthread+0x10/0x10 [ 252.619849][ C1] ret_from_fork_asm+0x1a/0x30 [ 252.619880][ C1] [ 252.620382][ C0] rcu: rcu_preempt kthread timer wakeup didn't happen for 10505 jiffies! g12149 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 253.244685][ C0] rcu: Possible timer handling issue on cpu=1 timer-softirq=5117 [ 253.252514][ C0] rcu: rcu_preempt kthread starved for 10506 jiffies! g12149 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 253.263896][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 253.273879][ C0] rcu: RCU grace-period kthread stack dump: [ 253.279767][ C0] task:rcu_preempt state:I stack:27320 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000 [ 253.291736][ C0] Call Trace: [ 253.295024][ C0] [ 253.297964][ C0] __schedule+0x16f5/0x4d00 [ 253.302507][ C0] ? do_raw_spin_unlock+0x122/0x240 [ 253.307732][ C0] ? schedule+0x165/0x360 [ 253.312081][ C0] ? __lock_acquire+0xab9/0xd20 [ 253.316954][ C0] ? __pfx___schedule+0x10/0x10 [ 253.321838][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 253.327490][ C0] ? schedule+0x91/0x360 [ 253.331750][ C0] schedule+0x165/0x360 [ 253.335919][ C0] schedule_timeout+0x12b/0x270 [ 253.340774][ C0] ? __pfx_schedule_timeout+0x10/0x10 [ 253.346154][ C0] ? __pfx_process_timeout+0x10/0x10 [ 253.351452][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 253.357094][ C0] ? prepare_to_swait_event+0x341/0x380 [ 253.362660][ C0] rcu_gp_fqs_loop+0x301/0x1540 [ 253.367548][ C0] ? __pfx_rcu_gp_init+0x10/0x10 [ 253.372503][ C0] ? lockdep_hardirqs_on+0x9c/0x150 [ 253.377719][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 253.383016][ C0] ? _raw_spin_unlock_irq+0x2e/0x50 [ 253.388233][ C0] ? finish_swait+0xcd/0x1f0 [ 253.392846][ C0] rcu_gp_kthread+0x99/0x390 [ 253.397463][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 253.402680][ C0] ? __kthread_parkme+0x7b/0x200 [ 253.407631][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 253.413275][ C0] ? __kthread_parkme+0x1a1/0x200 [ 253.418580][ C0] kthread+0x711/0x8a0 [ 253.422668][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 253.427881][ C0] ? __pfx_kthread+0x10/0x10 [ 253.432477][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 253.438120][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 253.443333][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 253.448974][ C0] ? lockdep_hardirqs_on+0x9c/0x150 [ 253.454186][ C0] ? __pfx_kthread+0x10/0x10 [ 253.458794][ C0] ret_from_fork+0x3fc/0x770 [ 253.463405][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 253.468541][ C0] ? __switch_to_asm+0x39/0x70 [ 253.473317][ C0] ? __switch_to_asm+0x33/0x70 [ 253.478084][ C0] ? __pfx_kthread+0x10/0x10 [ 253.482687][ C0] ret_from_fork_asm+0x1a/0x30 [ 253.487475][ C0]