Warning: Permanently added '10.128.1.78' (ED25519) to the list of known hosts. 2025/08/05 14:49:38 ignoring optional flag "sandboxArg"="0" 2025/08/05 14:49:40 parsed 1 programs [ 91.111930][ T5841] cgroup: Unknown subsys name 'net' [ 91.228955][ T5841] cgroup: Unknown subsys name 'cpuset' [ 91.238262][ T5841] cgroup: Unknown subsys name 'rlimit' [ 92.936665][ T5841] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 96.105642][ T5853] 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. [ 96.577127][ T5859] syz-executor (5859) used greatest stack depth: 19864 bytes left [ 97.230914][ T1210] cfg80211: failed to load regulatory.db [ 97.748621][ T3439] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.756975][ T3439] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 97.793437][ T1142] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.802729][ T1142] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.371675][ T5898] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 98.380211][ T5898] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 98.389901][ T5898] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 98.398387][ T5898] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 98.409075][ T5898] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 98.979741][ T5905] chnl_net:caif_netlink_parms(): no params data found [ 99.118659][ T5905] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.127048][ T5905] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.134406][ T5905] bridge_slave_0: entered allmulticast mode [ 99.142404][ T5905] bridge_slave_0: entered promiscuous mode [ 99.156434][ T5905] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.163614][ T5905] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.171396][ T5905] bridge_slave_1: entered allmulticast mode [ 99.179518][ T5905] bridge_slave_1: entered promiscuous mode [ 99.217340][ T5905] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 99.229905][ T5905] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 99.272994][ T5905] team0: Port device team_slave_0 added [ 99.281997][ T5905] team0: Port device team_slave_1 added [ 99.313737][ T5905] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 99.321446][ T5905] 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. [ 99.347434][ T5905] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 99.360261][ T5905] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 99.367343][ T5905] 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. [ 99.393468][ T5905] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 99.443449][ T5905] hsr_slave_0: entered promiscuous mode [ 99.450102][ T5905] hsr_slave_1: entered promiscuous mode [ 99.612344][ T5905] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 99.626421][ T5905] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 99.638447][ T5905] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 99.651790][ T5905] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 99.684710][ T5905] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.691994][ T5905] bridge0: port 2(bridge_slave_1) entered forwarding state [ 99.700261][ T5905] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.707451][ T5905] bridge0: port 1(bridge_slave_0) entered forwarding state [ 99.771304][ T5905] 8021q: adding VLAN 0 to HW filter on device bond0 [ 99.791879][ T36] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.801498][ T36] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.818854][ T5905] 8021q: adding VLAN 0 to HW filter on device team0 [ 99.836156][ T36] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.843329][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state [ 99.858798][ T1142] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.866004][ T1142] bridge0: port 2(bridge_slave_1) entered forwarding state [ 100.064570][ T5905] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 100.110561][ T5905] veth0_vlan: entered promiscuous mode [ 100.123184][ T5905] veth1_vlan: entered promiscuous mode [ 100.158084][ T5905] veth0_macvtap: entered promiscuous mode [ 100.168084][ T5905] veth1_macvtap: entered promiscuous mode [ 100.188120][ T5905] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 100.202821][ T5905] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 100.219734][ T1142] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.230277][ T1142] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.240894][ T1142] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.254022][ T1142] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.356420][ T5905] syz-executor (5905) used greatest stack depth: 19704 bytes left [ 100.382736][ T3439] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.464540][ T3439] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.543850][ T3439] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.627985][ T3439] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/08/05 14:49:54 executed programs: 0 [ 101.734752][ T5157] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 101.742913][ T5157] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 101.751627][ T5157] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 101.761649][ T5157] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 101.770317][ T5157] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 101.954081][ T5951] chnl_net:caif_netlink_parms(): no params data found [ 102.034199][ T5951] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.042815][ T5951] bridge0: port 1(bridge_slave_0) entered disabled state [ 102.050247][ T5951] bridge_slave_0: entered allmulticast mode [ 102.058309][ T5951] bridge_slave_0: entered promiscuous mode [ 102.069493][ T5951] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.076969][ T5951] bridge0: port 2(bridge_slave_1) entered disabled state [ 102.084445][ T5951] bridge_slave_1: entered allmulticast mode [ 102.092359][ T5951] bridge_slave_1: entered promiscuous mode [ 102.129771][ T5951] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 102.142148][ T5951] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 102.179310][ T5951] team0: Port device team_slave_0 added [ 102.188380][ T5951] team0: Port device team_slave_1 added [ 102.230041][ T5951] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 102.237811][ T5951] 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. [ 102.265256][ T5951] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 102.278150][ T5951] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 102.285176][ T5951] 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. [ 102.311539][ T5951] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 102.360613][ T5951] hsr_slave_0: entered promiscuous mode [ 102.367816][ T5951] hsr_slave_1: entered promiscuous mode [ 102.374032][ T5951] debugfs: 'hsr0' already exists in 'hsr' [ 102.379976][ T5951] Cannot create hsr debugfs directory [ 103.537538][ T3439] bridge_slave_1: left allmulticast mode [ 103.543500][ T3439] bridge_slave_1: left promiscuous mode [ 103.552760][ T3439] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.572897][ T3439] bridge_slave_0: left allmulticast mode [ 103.578825][ T3439] bridge_slave_0: left promiscuous mode [ 103.585340][ T3439] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.874916][ T5157] Bluetooth: hci0: command tx timeout [ 103.942793][ T3439] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 103.955740][ T3439] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 103.966582][ T3439] bond0 (unregistering): Released all slaves [ 104.089927][ T3439] hsr_slave_0: left promiscuous mode [ 104.096244][ T3439] hsr_slave_1: left promiscuous mode [ 104.102598][ T3439] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 104.112503][ T3439] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 104.125936][ T3439] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 104.133370][ T3439] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 104.158300][ T3439] veth1_macvtap: left promiscuous mode [ 104.164087][ T3439] veth0_macvtap: left promiscuous mode [ 104.170029][ T3439] veth1_vlan: left promiscuous mode [ 104.177390][ T3439] veth0_vlan: left promiscuous mode [ 104.655959][ T3439] team0 (unregistering): Port device team_slave_1 removed [ 104.688350][ T3439] team0 (unregistering): Port device team_slave_0 removed [ 105.139250][ T5951] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 105.152315][ T5951] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 105.179999][ T5951] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 105.210669][ T5951] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 105.627778][ T5951] 8021q: adding VLAN 0 to HW filter on device bond0 [ 105.670267][ T5951] 8021q: adding VLAN 0 to HW filter on device team0 [ 105.692551][ T1142] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.699805][ T1142] bridge0: port 1(bridge_slave_0) entered forwarding state [ 105.720469][ T1142] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.727774][ T1142] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.812101][ T5951] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 105.955084][ T5157] Bluetooth: hci0: command tx timeout [ 106.012653][ T5951] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 106.057251][ T5951] veth0_vlan: entered promiscuous mode [ 106.069391][ T5951] veth1_vlan: entered promiscuous mode [ 106.101501][ T5951] veth0_macvtap: entered promiscuous mode [ 106.112344][ T5951] veth1_macvtap: entered promiscuous mode [ 106.132657][ T5951] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 106.147429][ T5951] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 106.162418][ T1142] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.171876][ T1142] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.183085][ T1142] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.192428][ T1142] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.253332][ T1142] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.261437][ T1142] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.292047][ T1142] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.300020][ T1142] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.458126][ C1] hrtimer: interrupt took 1118326049 ns 2025/08/05 14:50:00 executed programs: 3 [ 212.484821][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 212.491896][ C0] rcu: 1-...!: (1 GPs behind) idle=1d4c/1/0x4000000000000000 softirq=18499/18503 fqs=1 [ 212.502332][ C0] rcu: (detected by 0, t=10502 jiffies, g=12449, q=576 ncpus=2) [ 212.510193][ C0] Sending NMI from CPU 0 to CPUs 1: [ 212.510239][ C1] NMI backtrace for cpu 1 [ 212.510279][ C1] CPU: 1 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted 6.16.0-syzkaller-06610-g4eabe4cc0958 #0 PREEMPT(full) [ 212.510301][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 212.510317][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 212.510364][ C1] RIP: 0010:taprio_set_budgets+0x1a7/0x3b0 [ 212.510384][ C1] Code: 8b 3f 48 89 ef 4c 89 fe e8 96 9f 2e f8 4c 39 fd 75 13 e8 2c 9d 2e f8 41 bd ff ff ff 7f 4d 89 f7 e9 9c 00 00 00 e8 19 9d 2e f8 <4c> 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 4d [ 212.510399][ C1] RSP: 0018:ffffc90000a08c00 EFLAGS: 00000006 [ 212.510414][ C1] RAX: ffffffff89911397 RBX: 0000000000000000 RCX: ffff88801d28da00 [ 212.510427][ C1] RDX: 0000000000010000 RSI: 00000000000000ff RDI: 0000000000000000 [ 212.510438][ C1] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004 [ 212.510447][ C1] R10: dffffc0000000000 R11: fffff5200014117c R12: 0000000000000000 [ 212.510459][ C1] R13: ffff888076d76400 R14: ffff888076d76400 R15: 00000000000000ff [ 212.510472][ C1] FS: 0000000000000000(0000) GS:ffff888125d80000(0000) knlGS:0000000000000000 [ 212.510486][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 212.510497][ C1] CR2: 000055558ad3a808 CR3: 00000000286c0000 CR4: 00000000003526f0 [ 212.510518][ C1] Call Trace: [ 212.510526][ C1] [ 212.510550][ C1] advance_sched+0x963/0xc90 [ 212.510587][ C1] ? __pfx_advance_sched+0x10/0x10 [ 212.510610][ C1] __hrtimer_run_queues+0x52c/0xc60 [ 212.510662][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 212.510697][ C1] ? read_tsc+0x9/0x20 [ 212.510737][ C1] hrtimer_interrupt+0x45b/0xaa0 [ 212.510794][ C1] __sysvec_apic_timer_interrupt+0x108/0x410 [ 212.510823][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 212.510850][ C1] [ 212.510855][ C1] [ 212.510862][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 212.510881][ C1] RIP: 0010:rcu_is_watching+0x3a/0xb0 [ 212.510909][ C1] Code: e8 fb 81 c9 09 89 c3 83 f8 08 73 65 49 bf 00 00 00 00 00 fc ff df 4c 8d 34 dd d0 ec b9 8d 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 <74> 08 4c 89 f7 e8 4c 73 7c 00 48 c7 c3 58 2f 9b 92 49 03 1e 48 89 [ 212.510923][ C1] RSP: 0018:ffffc90000116ed8 EFLAGS: 00000246 [ 212.510938][ C1] RAX: 1ffffffff1b73d9b RBX: 0000000000000001 RCX: 01e9ce1ee8fe9c00 [ 212.510950][ C1] RDX: 0000000000000000 RSI: ffffffff8be309e0 RDI: ffffffff8be309a0 [ 212.510962][ C1] RBP: ffffffff8172cd05 R08: 0000000000000000 R09: 0000000000000000 [ 212.510973][ C1] R10: ffffc900001170b8 R11: ffffffff81ac3450 R12: 0000000000000002 [ 212.510984][ C1] R13: ffffffff8e13c4e0 R14: ffffffff8db9ecd8 R15: dffffc0000000000 [ 212.511004][ C1] ? unwind_next_frame+0xa5/0x2390 [ 212.511021][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 212.511047][ C1] ? rcu_is_watching+0x15/0xb0 [ 212.511074][ C1] lock_acquire+0x5f/0x360 [ 212.511102][ C1] ? unwind_next_frame+0xa5/0x2390 [ 212.511118][ C1] ? worker_thread+0x8a0/0xda0 [ 212.511146][ C1] ? unwind_next_frame+0xa5/0x2390 [ 212.511162][ C1] unwind_next_frame+0xc2/0x2390 [ 212.511179][ C1] ? unwind_next_frame+0xa5/0x2390 [ 212.511198][ C1] ? unwind_next_frame+0xa5/0x2390 [ 212.511216][ C1] ? process_scheduled_works+0xae1/0x17b0 [ 212.511244][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 212.511265][ C1] arch_stack_walk+0x11c/0x150 [ 212.511287][ C1] ? worker_thread+0x8a0/0xda0 [ 212.511316][ C1] stack_trace_save+0x9c/0xe0 [ 212.511335][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 212.511357][ C1] ? unwind_next_frame+0xa5/0x2390 [ 212.511375][ C1] kasan_save_track+0x3e/0x80 [ 212.511400][ C1] ? kasan_save_track+0x3e/0x80 [ 212.511423][ C1] ? __kasan_kmalloc+0x93/0xb0 [ 212.511447][ C1] ? __kmalloc_cache_noprof+0x230/0x3d0 [ 212.511473][ C1] ? ref_tracker_alloc+0x133/0x460 [ 212.511490][ C1] ? dst_init+0xd9/0x450 [ 212.511514][ C1] ? dst_alloc+0x12a/0x170 [ 212.511532][ C1] ? icmp6_dst_alloc+0x75/0x420 [ 212.511552][ C1] ? ndisc_send_skb+0x41f/0x1440 [ 212.511578][ C1] ? ndisc_send_ns+0xcb/0x150 [ 212.511592][ C1] ? addrconf_dad_work+0xaae/0x14b0 [ 212.511610][ C1] ? process_scheduled_works+0xae1/0x17b0 [ 212.511635][ C1] ? worker_thread+0x8a0/0xda0 [ 212.511685][ C1] __kasan_kmalloc+0x93/0xb0 [ 212.511712][ C1] __kmalloc_cache_noprof+0x230/0x3d0 [ 212.511738][ C1] ? ref_tracker_alloc+0x133/0x460 [ 212.511758][ C1] ref_tracker_alloc+0x133/0x460 [ 212.511777][ C1] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 212.511804][ C1] ? rcu_is_watching+0x15/0xb0 [ 212.511832][ C1] dst_init+0xd9/0x450 [ 212.511854][ C1] dst_alloc+0x12a/0x170 [ 212.511875][ C1] icmp6_dst_alloc+0x75/0x420 [ 212.511896][ C1] ? icmpv6_flow_init+0x62/0x120 [ 212.511914][ C1] ndisc_send_skb+0x41f/0x1440 [ 212.511944][ C1] ? ndisc_send_skb+0x20c/0x1440 [ 212.511976][ C1] ? __pfx_ndisc_send_skb+0x10/0x10 [ 212.512003][ C1] ? ndisc_ns_create+0x4ea/0x650 [ 212.512019][ C1] ? __asan_memcpy+0x40/0x70 [ 212.512046][ C1] ? mod_delayed_work_on+0x128/0x200 [ 212.512069][ C1] ndisc_send_ns+0xcb/0x150 [ 212.512086][ C1] ? __pfx_ndisc_send_ns+0x10/0x10 [ 212.512102][ C1] ? addrconf_dad_work+0xa04/0x14b0 [ 212.512124][ C1] addrconf_dad_work+0xaae/0x14b0 [ 212.512143][ C1] ? __lock_acquire+0xab9/0xd20 [ 212.512171][ C1] ? __pfx_addrconf_dad_work+0x10/0x10 [ 212.512190][ C1] ? process_scheduled_works+0x9ef/0x17b0 [ 212.512219][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 212.512242][ C1] ? process_scheduled_works+0x9ef/0x17b0 [ 212.512269][ C1] ? process_scheduled_works+0x9ef/0x17b0 [ 212.512296][ C1] process_scheduled_works+0xae1/0x17b0 [ 212.512338][ C1] ? __pfx_process_scheduled_works+0x10/0x10 [ 212.512372][ C1] worker_thread+0x8a0/0xda0 [ 212.512413][ C1] kthread+0x70e/0x8a0 [ 212.512435][ C1] ? __pfx_worker_thread+0x10/0x10 [ 212.512462][ C1] ? __pfx_kthread+0x10/0x10 [ 212.512482][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 212.512510][ C1] ? lockdep_hardirqs_on+0x9c/0x150 [ 212.512533][ C1] ? __pfx_kthread+0x10/0x10 [ 212.512553][ C1] ret_from_fork+0x3fc/0x770 [ 212.512581][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 212.512611][ C1] ? __switch_to_asm+0x39/0x70 [ 212.512631][ C1] ? __switch_to_asm+0x33/0x70 [ 212.512650][ C1] ? __pfx_kthread+0x10/0x10 [ 212.512670][ C1] ret_from_fork_asm+0x1a/0x30 [ 212.512699][ C1] [ 212.513224][ C0] rcu: rcu_preempt kthread timer wakeup didn't happen for 10499 jiffies! g12449 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [ 213.147579][ C0] rcu: Possible timer handling issue on cpu=1 timer-softirq=5731 [ 213.155400][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g12449 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 213.166968][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 213.176954][ C0] rcu: RCU grace-period kthread stack dump: [ 213.183117][ C0] task:rcu_preempt state:I stack:27816 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000 [ 213.195085][ C0] Call Trace: [ 213.198396][ C0] [ 213.201378][ C0] __schedule+0x1737/0x4d30 [ 213.205946][ C0] ? do_raw_spin_unlock+0x122/0x240 [ 213.211187][ C0] ? schedule+0x165/0x360 [ 213.215558][ C0] ? __lock_acquire+0xab9/0xd20 [ 213.220444][ C0] ? __pfx___schedule+0x10/0x10 [ 213.225358][ C0] ? schedule+0x91/0x360 [ 213.229729][ C0] schedule+0x165/0x360 [ 213.233914][ C0] schedule_timeout+0x12b/0x270 [ 213.238796][ C0] ? __pfx_schedule_timeout+0x10/0x10 [ 213.244194][ C0] ? _raw_spin_unlock_irqrestore+0x85/0x110 [ 213.250300][ C0] ? __pfx_process_timeout+0x10/0x10 [ 213.255614][ C0] ? prepare_to_swait_event+0x341/0x380 [ 213.261198][ C0] rcu_gp_fqs_loop+0x301/0x1540 [ 213.266117][ C0] ? __pfx_rcu_watching_snap_save+0x10/0x10 [ 213.272038][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 213.277351][ C0] ? _raw_spin_unlock_irq+0x2e/0x50 [ 213.282590][ C0] ? finish_swait+0xcd/0x1f0 [ 213.287207][ C0] rcu_gp_kthread+0x99/0x390 [ 213.291918][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 213.297405][ C0] ? __kthread_parkme+0x7b/0x200 [ 213.302368][ C0] ? __kthread_parkme+0x1a1/0x200 [ 213.307684][ C0] kthread+0x70e/0x8a0 [ 213.311790][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 213.317020][ C0] ? __pfx_kthread+0x10/0x10 [ 213.321634][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 213.326860][ C0] ? lockdep_hardirqs_on+0x9c/0x150 [ 213.332188][ C0] ? __pfx_kthread+0x10/0x10 [ 213.336827][ C0] ret_from_fork+0x3fc/0x770 [ 213.341475][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 213.346637][ C0] ? __switch_to_asm+0x39/0x70 [ 213.351427][ C0] ? __switch_to_asm+0x33/0x70 [ 213.356218][ C0] ? __pfx_kthread+0x10/0x10 [ 213.360923][ C0] ret_from_fork_asm+0x1a/0x30 [ 213.365738][ C0]