BUG: corrupted list in dst_destroy list_del corruption, ffff88807dc5a490->next is NULL ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:53! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 49 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 Workqueue: netns cleanup_net RIP: 0010:__list_del_entry_valid_or_report+0xdf/0x190 lib/list_debug.c:52 Code: 49 39 1f 0f 85 9e 00 00 00 b0 01 5b 41 5c 41 5d 41 5e 41 5f e9 d2 72 f8 06 cc 48 c7 c7 c0 b2 27 8c 48 89 de e8 d2 a5 72 fc 90 <0f> 0b 48 c7 c7 20 b3 27 8c 48 89 de e8 c0 a5 72 fc 90 0f 0b 4c 89 RSP: 0018:ffffc90000007d58 EFLAGS: 00010046 RAX: 0000000000000033 RBX: ffff88807dc5a490 RCX: 58516be612cb3600 RDX: 0000000000000100 RSI: 0000000000000102 RDI: 0000000000000000 RBP: 0000000000000203 R08: ffffc90000007ae7 R09: 1ffff92000000f5c R10: dffffc0000000000 R11: fffff52000000f5d R12: 1ffff1100fb8b492 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125470000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff05aea0c8 CR3: 00000000420be000 CR4: 00000000003526f0 Call Trace: __list_del_entry_valid include/linux/list.h:132 [inline] __list_del_entry include/linux/list.h:223 [inline] list_del_init include/linux/list.h:295 [inline] dst_destroy+0x202/0x5a0 net/core/dst.c:163 rcu_do_batch kernel/rcu/tree.c:2617 [inline] rcu_core+0x7cd/0x1070 kernel/rcu/tree.c:2869 handle_softirqs+0x22a/0x870 kernel/softirq.c:626 __do_softirq kernel/softirq.c:660 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x5f/0x150 kernel/softirq.c:727 irq_exit_rcu+0x9/0x30 kernel/softirq.c:743 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80 kernel/locking/spinlock.c:194 Code: f7 e8 ad db f4 f5 f7 c3 00 02 00 00 74 05 e8 b0 34 20 f6 9c 58 a9 00 02 00 00 75 27 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 f4 91 e6 f5 65 8b 05 3d c1 6d 07 85 c0 74 18 5b 41 5e c3 cc cc RSP: 0018:ffffc90000b97568 EFLAGS: 00000206 RAX: 0000000000000002 RBX: 0000000000000286 RCX: 0000000080000001 RDX: 0000000000000007 RSI: ffffffff8def82b7 RDI: 0000000000000001 RBP: ffffc90000b97688 R08: ffffffff9011cab7 R09: 1ffffffff2023956 R10: dffffc0000000000 R11: fffffbfff2023957 R12: ffff88802656e690 R13: ffff88802656e680 R14: ffff88802656e630 R15: 1ffff11005572938 spin_unlock_irqrestore include/linux/spinlock.h:407 [inline] ref_tracker_dir_exit+0x4e6/0x660 lib/ref_tracker.c:245 free_netdev+0x459/0x8e0 net/core/dev.c:12210 netdev_run_todo+0xf8d/0x1130 net/core/dev.c:11738 default_device_exit_batch+0x986/0xa00 net/core/dev.c:13087 ops_exit_list net/core/net_namespace.c:205 [inline] ops_undo_list+0x52b/0x940 net/core/net_namespace.c:252 cleanup_net+0x56b/0x800 net/core/net_namespace.c:704 process_one_work+0x949/0x1650 kernel/workqueue.c:3279 process_scheduled_works kernel/workqueue.c:3362 [inline] worker_thread+0xb46/0x1140 kernel/workqueue.c:3443 kthread+0x388/0x470 kernel/kthread.c:467 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report+0xdf/0x190 lib/list_debug.c:52 Code: 49 39 1f 0f 85 9e 00 00 00 b0 01 5b 41 5c 41 5d 41 5e 41 5f e9 d2 72 f8 06 cc 48 c7 c7 c0 b2 27 8c 48 89 de e8 d2 a5 72 fc 90 <0f> 0b 48 c7 c7 20 b3 27 8c 48 89 de e8 c0 a5 72 fc 90 0f 0b 4c 89 RSP: 0018:ffffc90000007d58 EFLAGS: 00010046 RAX: 0000000000000033 RBX: ffff88807dc5a490 RCX: 58516be612cb3600 RDX: 0000000000000100 RSI: 0000000000000102 RDI: 0000000000000000 RBP: 0000000000000203 R08: ffffc90000007ae7 R09: 1ffff92000000f5c R10: dffffc0000000000 R11: fffff52000000f5d R12: 1ffff1100fb8b492 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125470000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff05aea0c8 CR3: 00000000420be000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: f7 e8 imul %eax 2: ad lods %ds:(%rsi),%eax 3: db f4 fcomi %st(4),%st 5: f5 cmc 6: f7 c3 00 02 00 00 test $0x200,%ebx c: 74 05 je 0x13 e: e8 b0 34 20 f6 call 0xf62034c3 13: 9c pushf 14: 58 pop %rax 15: a9 00 02 00 00 test $0x200,%eax 1a: 75 27 jne 0x43 1c: f7 c3 00 02 00 00 test $0x200,%ebx 22: 74 01 je 0x25 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 f4 91 e6 f5 call 0xf5e69223 <-- trapping instruction 2f: 65 8b 05 3d c1 6d 07 mov %gs:0x76dc13d(%rip),%eax # 0x76dc173 36: 85 c0 test %eax,%eax 38: 74 18 je 0x52 3a: 5b pop %rbx 3b: 41 5e pop %r14 3d: c3 ret 3e: cc int3 3f: cc int3 Warning: Permanently added '10.128.1.203' (ED25519) to the list of known hosts. 2026/02/26 20:35:40 parsed 1 programs [ 75.468780][ T5825] cgroup: Unknown subsys name 'net' [ 75.610071][ T5825] cgroup: Unknown subsys name 'cpuset' [ 75.621068][ T5825] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 77.095936][ T5825] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 79.681717][ T5832] 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. [ 80.022199][ T1027] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.033213][ T1027] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 80.061064][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.070074][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.047372][ T5867] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 81.058116][ T5867] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 81.066257][ T5867] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 81.074377][ T5867] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 81.082218][ T5867] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 82.969968][ T5905] chnl_net:caif_netlink_parms(): no params data found [ 83.073244][ T5905] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.081384][ T5905] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.088897][ T5905] bridge_slave_0: entered allmulticast mode [ 83.097125][ T5905] bridge_slave_0: entered promiscuous mode [ 83.107049][ T5905] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.114532][ T5905] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.122318][ T5905] bridge_slave_1: entered allmulticast mode [ 83.131797][ T5905] bridge_slave_1: entered promiscuous mode [ 83.172087][ T5905] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 83.187506][ T5905] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 83.226057][ T5905] team0: Port device team_slave_0 added [ 83.235635][ T5905] team0: Port device team_slave_1 added [ 83.264720][ T5905] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 83.271821][ 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 1532 would solve the problem. [ 83.297954][ T5905] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 83.312880][ T5905] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 83.321706][ 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 1532 would solve the problem. [ 83.348430][ T5905] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 83.392307][ T5905] hsr_slave_0: entered promiscuous mode [ 83.399475][ T5905] hsr_slave_1: entered promiscuous mode [ 83.550423][ T5905] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 83.563948][ T5905] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 83.575194][ T5905] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 83.587042][ T5905] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 83.678196][ T5905] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.703593][ T5905] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.717992][ T1027] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.725412][ T1027] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.745907][ T1027] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.753572][ T1027] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.926943][ T5905] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.981095][ T5905] veth0_vlan: entered promiscuous mode [ 83.994397][ T5905] veth1_vlan: entered promiscuous mode [ 84.029598][ T5905] veth0_macvtap: entered promiscuous mode [ 84.040767][ T5905] veth1_macvtap: entered promiscuous mode [ 84.070589][ T5905] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 84.086208][ T5905] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 84.102920][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.113502][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.125921][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.134775][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.252581][ T49] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.320380][ T49] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.397811][ T49] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.495769][ T49] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/02/26 20:35:52 executed programs: 0 [ 84.790231][ T5867] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 84.799444][ T5867] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 84.807459][ T5867] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 84.815339][ T5867] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 84.825492][ T5867] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 84.998934][ T5936] chnl_net:caif_netlink_parms(): no params data found [ 85.082400][ T5936] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.089795][ T5936] bridge0: port 1(bridge_slave_0) entered disabled state [ 85.099208][ T5936] bridge_slave_0: entered allmulticast mode [ 85.107424][ T5936] bridge_slave_0: entered promiscuous mode [ 85.115867][ T5936] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.123394][ T5936] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.130976][ T5936] bridge_slave_1: entered allmulticast mode [ 85.138685][ T5936] bridge_slave_1: entered promiscuous mode [ 85.180330][ T5936] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 85.195014][ T5936] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 85.234624][ T5936] team0: Port device team_slave_0 added [ 85.244236][ T5936] team0: Port device team_slave_1 added [ 85.278769][ T5936] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 85.285896][ T5936] 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 1532 would solve the problem. [ 85.312417][ T5936] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 85.327363][ T5936] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 85.334331][ T5936] 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 1532 would solve the problem. [ 85.361298][ T5936] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 85.412312][ T5936] hsr_slave_0: entered promiscuous mode [ 85.420054][ T5936] hsr_slave_1: entered promiscuous mode [ 85.426811][ T5936] debugfs: 'hsr0' already exists in 'hsr' [ 85.432792][ T5936] Cannot create hsr debugfs directory [ 86.856830][ T5142] Bluetooth: hci0: command tx timeout [ 87.019805][ T10] cfg80211: failed to load regulatory.db [ 87.088828][ T49] bridge_slave_1: left allmulticast mode [ 87.094641][ T49] bridge_slave_1: left promiscuous mode [ 87.102376][ T49] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.114984][ T49] bridge_slave_0: left allmulticast mode [ 87.121081][ T49] bridge_slave_0: left promiscuous mode [ 87.127188][ T49] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.274146][ T49] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 87.285576][ T49] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 87.295738][ T49] bond0 (unregistering): Released all slaves [ 87.425443][ T49] hsr_slave_0: left promiscuous mode [ 87.436243][ T49] hsr_slave_1: left promiscuous mode [ 87.442657][ T49] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 87.452478][ T49] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 87.461356][ T49] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 87.473940][ T49] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 87.490863][ T49] veth1_macvtap: left promiscuous mode [ 87.497232][ T49] veth0_macvtap: left promiscuous mode [ 87.503184][ T49] veth1_vlan: left promiscuous mode [ 87.508709][ T49] veth0_vlan: left promiscuous mode [ 87.799642][ T49] team0 (unregistering): Port device team_slave_1 removed [ 87.812813][ T49] team0 (unregistering): Port device team_slave_0 removed [ 87.946720][ C0] list_del corruption, ffff88807dc5a490->next is NULL [ 87.954813][ C0] ------------[ cut here ]------------ [ 87.960382][ C0] kernel BUG at lib/list_debug.c:53! [ 87.965809][ C0] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI [ 87.972088][ C0] CPU: 0 UID: 0 PID: 49 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT(full) [ 87.981489][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 87.991640][ C0] Workqueue: netns cleanup_net [ 87.996504][ C0] RIP: 0010:__list_del_entry_valid_or_report+0xdf/0x190 [ 88.003539][ C0] Code: 49 39 1f 0f 85 9e 00 00 00 b0 01 5b 41 5c 41 5d 41 5e 41 5f e9 d2 72 f8 06 cc 48 c7 c7 c0 b2 27 8c 48 89 de e8 d2 a5 72 fc 90 <0f> 0b 48 c7 c7 20 b3 27 8c 48 89 de e8 c0 a5 72 fc 90 0f 0b 4c 89 [ 88.023496][ C0] RSP: 0018:ffffc90000007d58 EFLAGS: 00010046 [ 88.029737][ C0] RAX: 0000000000000033 RBX: ffff88807dc5a490 RCX: 58516be612cb3600 [ 88.037794][ C0] RDX: 0000000000000100 RSI: 0000000000000102 RDI: 0000000000000000 [ 88.045951][ C0] RBP: 0000000000000203 R08: ffffc90000007ae7 R09: 1ffff92000000f5c [ 88.054363][ C0] R10: dffffc0000000000 R11: fffff52000000f5d R12: 1ffff1100fb8b492 [ 88.062358][ C0] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 [ 88.070579][ C0] FS: 0000000000000000(0000) GS:ffff888125470000(0000) knlGS:0000000000000000 [ 88.079502][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.086176][ C0] CR2: 00007fff05aea0c8 CR3: 00000000420be000 CR4: 00000000003526f0 [ 88.094577][ C0] Call Trace: [ 88.097854][ C0] [ 88.100796][ C0] dst_destroy+0x202/0x5a0 [ 88.105225][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 88.111066][ C0] ? rcu_core+0x751/0x1070 [ 88.115565][ C0] ? __pfx_dst_destroy_rcu+0x10/0x10 [ 88.120842][ C0] rcu_core+0x7cd/0x1070 [ 88.125089][ C0] ? __pfx_rcu_core+0x10/0x10 [ 88.129763][ C0] ? sched_clock_cpu+0x74/0x440 [ 88.134612][ C0] handle_softirqs+0x22a/0x870 [ 88.139370][ C0] ? __irq_exit_rcu+0x5f/0x150 [ 88.144136][ C0] __irq_exit_rcu+0x5f/0x150 [ 88.148724][ C0] irq_exit_rcu+0x9/0x30 [ 88.153043][ C0] sysvec_apic_timer_interrupt+0xa6/0xc0 [ 88.158724][ C0] [ 88.161656][ C0] [ 88.164587][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 88.170582][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80 [ 88.177187][ C0] Code: f7 e8 ad db f4 f5 f7 c3 00 02 00 00 74 05 e8 b0 34 20 f6 9c 58 a9 00 02 00 00 75 27 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 f4 91 e6 f5 65 8b 05 3d c1 6d 07 85 c0 74 18 5b 41 5e c3 cc cc [ 88.197239][ C0] RSP: 0018:ffffc90000b97568 EFLAGS: 00000206 [ 88.203507][ C0] RAX: 0000000000000002 RBX: 0000000000000286 RCX: 0000000080000001 [ 88.211584][ C0] RDX: 0000000000000007 RSI: ffffffff8def82b7 RDI: 0000000000000001 [ 88.219735][ C0] RBP: ffffc90000b97688 R08: ffffffff9011cab7 R09: 1ffffffff2023956 [ 88.227965][ C0] R10: dffffc0000000000 R11: fffffbfff2023957 R12: ffff88802656e690 [ 88.236025][ C0] R13: ffff88802656e680 R14: ffff88802656e630 R15: 1ffff11005572938 [ 88.244173][ C0] ref_tracker_dir_exit+0x4e6/0x660 [ 88.249383][ C0] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 88.255095][ C0] ? lockdep_hardirqs_on+0x7a/0x110 [ 88.260294][ C0] ? kfree+0x1c1/0x630 [ 88.264355][ C0] ? dev_addr_flush+0x18f/0x210 [ 88.269285][ C0] free_netdev+0x459/0x8e0 [ 88.273794][ C0] ? kfree+0x1c1/0x630 [ 88.277934][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 88.284169][ C0] netdev_run_todo+0xf8d/0x1130 [ 88.289104][ C0] ? __pfx_netdev_run_todo+0x10/0x10 [ 88.294468][ C0] ? unregister_netdevice_queue+0x19b/0x360 [ 88.300358][ C0] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 88.306683][ C0] ? batadv_meshif_destroy_netlink+0x1b0/0x250 [ 88.312844][ C0] default_device_exit_batch+0x986/0xa00 [ 88.318480][ C0] ? __pfx_default_device_exit_batch+0x10/0x10 [ 88.324808][ C0] ? __pfx_default_device_exit_batch+0x10/0x10 [ 88.331039][ C0] ops_undo_list+0x52b/0x940 [ 88.335630][ C0] ? __pfx_ops_undo_list+0x10/0x10 [ 88.341039][ C0] ? idr_destroy+0x218/0x290 [ 88.345907][ C0] ? do_raw_spin_unlock+0xf5/0x210 [ 88.351121][ C0] cleanup_net+0x56b/0x800 [ 88.355990][ C0] ? __pfx_cleanup_net+0x10/0x10 [ 88.360945][ C0] ? process_one_work+0x87c/0x1650 [ 88.366328][ C0] process_one_work+0x949/0x1650 [ 88.371267][ C0] ? irqentry_exit+0x59e/0x620 [ 88.376135][ C0] ? __pfx_process_one_work+0x10/0x10 [ 88.381611][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 88.386640][ C0] worker_thread+0xb46/0x1140 [ 88.391329][ C0] kthread+0x388/0x470 [ 88.395477][ C0] ? __pfx_worker_thread+0x10/0x10 [ 88.400633][ C0] ? __pfx_kthread+0x10/0x10 [ 88.405299][ C0] ret_from_fork+0x51e/0xb90 [ 88.409898][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 88.415025][ C0] ? __switch_to+0xc7d/0x1450 [ 88.419696][ C0] ? __pfx_kthread+0x10/0x10 [ 88.424283][ C0] ret_from_fork_asm+0x1a/0x30 [ 88.429040][ C0] [ 88.432043][ C0] Modules linked in: [ 88.435936][ C0] ---[ end trace 0000000000000000 ]--- [ 88.441506][ C0] RIP: 0010:__list_del_entry_valid_or_report+0xdf/0x190 [ 88.448555][ C0] Code: 49 39 1f 0f 85 9e 00 00 00 b0 01 5b 41 5c 41 5d 41 5e 41 5f e9 d2 72 f8 06 cc 48 c7 c7 c0 b2 27 8c 48 89 de e8 d2 a5 72 fc 90 <0f> 0b 48 c7 c7 20 b3 27 8c 48 89 de e8 c0 a5 72 fc 90 0f 0b 4c 89 [ 88.468586][ C0] RSP: 0018:ffffc90000007d58 EFLAGS: 00010046 [ 88.474645][ C0] RAX: 0000000000000033 RBX: ffff88807dc5a490 RCX: 58516be612cb3600 [ 88.482697][ C0] RDX: 0000000000000100 RSI: 0000000000000102 RDI: 0000000000000000 [ 88.490742][ C0] RBP: 0000000000000203 R08: ffffc90000007ae7 R09: 1ffff92000000f5c [ 88.498702][ C0] R10: dffffc0000000000 R11: fffff52000000f5d R12: 1ffff1100fb8b492 [ 88.506663][ C0] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 [ 88.514903][ C0] FS: 0000000000000000(0000) GS:ffff888125470000(0000) knlGS:0000000000000000 [ 88.524018][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.530885][ C0] CR2: 00007fff05aea0c8 CR3: 00000000420be000 CR4: 00000000003526f0 [ 88.539036][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 88.546809][ C0] Kernel Offset: disabled [ 88.551478][ C0] Rebooting in 86400 seconds.. syzkaller build log: go env (err=) AR='ar' CC='gcc' CGO_CFLAGS='-O2 -g' CGO_CPPFLAGS='' CGO_CXXFLAGS='-O2 -g' CGO_ENABLED='1' CGO_FFLAGS='-O2 -g' CGO_LDFLAGS='-O2 -g' CXX='g++' GCCGO='gccgo' GO111MODULE='auto' GOAMD64='v1' GOARCH='amd64' GOAUTH='netrc' GOBIN='' GOCACHE='/syzkaller/.cache/go-build' GOCACHEPROG='' GODEBUG='' GOENV='/syzkaller/.config/go/env' GOEXE='' GOEXPERIMENT='' GOFIPS140='off' GOFLAGS='' GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build589418038=/tmp/go-build -gno-record-gcc-switches' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' GOMOD='/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod' GOMODCACHE='/syzkaller/jobs/linux/gopath/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/syzkaller/jobs/linux/gopath' GOPRIVATE='' GOPROXY='https://proxy.golang.org,direct' GOROOT='/usr/local/go' GOSUMDB='sum.golang.org' GOTELEMETRY='local' GOTELEMETRYDIR='/syzkaller/.config/go/telemetry' GOTMPDIR='' GOTOOLCHAIN='auto' GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64' GOVCS='' GOVERSION='go1.24.4' GOWORK='' PKG_CONFIG='pkg-config' git status (err=) HEAD detached at d6526ea3e6a nothing to commit, working tree clean tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env go list -f '{{.Stale}}' -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115" ./sys/syz-sysgen make .descriptions tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env bin/syz-sysgen touch .descriptions GOOS=linux GOARCH=amd64 go build -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115" -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_amd64 g++ -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -std=c++17 -I. -Iexecutor/_include -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"d6526ea3e6ad9081c902859bbb80f9f840377cb4\" /usr/bin/ld: /tmp/ccHd6cx5.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x386): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking ./tools/check-syzos.sh 2>/dev/null