no interfaces have a carrier [ 71.191252][ T5250] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.245434][ T5250] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller syzkaller login: [ 98.259834][ T9] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.41' (ED25519) to the list of known hosts. [ 99.225665][ T5594] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.227726][ T5594] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.240491][ T5594] bridge_slave_0: entered allmulticast mode [ 99.250844][ T5594] bridge_slave_0: entered promiscuous mode [ 99.273478][ T5594] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.274283][ T5594] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.275165][ T5594] bridge_slave_1: entered allmulticast mode [ 99.296643][ T5594] bridge_slave_1: entered promiscuous mode [ 99.345473][ T5594] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 99.356533][ T5594] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 99.400325][ T5594] team0: Port device team_slave_0 added [ 99.411779][ T5594] team0: Port device team_slave_1 added [ 99.453197][ T5594] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 99.453280][ T5594] 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. [ 99.453344][ T5594] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 99.466452][ T5594] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 99.466503][ T5594] 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. [ 99.466577][ T5594] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 99.591983][ T5594] hsr_slave_0: entered promiscuous mode [ 99.596394][ T5594] hsr_slave_1: entered promiscuous mode [ 99.860624][ T5594] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 99.912436][ T5594] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 99.920800][ T5594] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 99.942375][ T5594] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 99.952197][ T5594] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 99.993218][ T5594] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 100.002809][ T5594] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 100.033692][ T5594] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 100.085399][ T5594] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.087098][ T5594] bridge0: port 2(bridge_slave_1) entered forwarding state [ 100.096260][ T5594] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.096706][ T5594] bridge0: port 1(bridge_slave_0) entered forwarding state [ 100.140694][ T3338] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.179342][ T3338] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.402980][ T5594] 8021q: adding VLAN 0 to HW filter on device bond0 [ 100.440967][ T5594] 8021q: adding VLAN 0 to HW filter on device team0 [ 100.459838][ T3338] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.460395][ T3338] bridge0: port 1(bridge_slave_0) entered forwarding state [ 100.484143][ T3338] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.484831][ T3338] bridge0: port 2(bridge_slave_1) entered forwarding state [ 100.836052][ T5594] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 100.923965][ T5594] veth0_vlan: entered promiscuous mode [ 100.947968][ T5594] veth1_vlan: entered promiscuous mode [ 101.006758][ T5594] veth0_macvtap: entered promiscuous mode [ 101.035705][ T5594] veth1_macvtap: entered promiscuous mode [ 101.065992][ T5594] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 101.084821][ T5594] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 101.591925][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.601631][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.603178][ T66] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.679735][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.679822][ T66] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.679838][ T66] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 101.738357][ T1035] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.747707][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.989932][ T5624] Scheduler tracepoints stat_sleep, stat_iowait, stat_blocked and stat_runtime require the kernel parameter schedstats=enable or kernel.sched_schedstats=1 [ 101.990040][ C1] Scheduler tracepoints stat_sleep, stat_iowait, stat_blocked and stat_runtime require the kernel parameter schedstats=enable or kernel.sched_schedstats=1 [ 230.848527][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 230.855452][ C1] rcu: 1-....: (10499 ticks this GP) idle=2e3c/1/0x4000000000000000 softirq=0/0 fqs=2617 rcuc=10499 jiffies(starved) [ 230.867908][ C1] rcu: hardirqs softirqs csw/system [ 230.874867][ C1] rcu: number: 19374 2518 14571 [ 230.882034][ C1] rcu: cputime: 4999 22564 24822 ==> 52460(ms) [ 230.890610][ C1] rcu: (t=10501 jiffies g=12881 q=877 ncpus=2) [ 230.897050][ C1] CPU: 1 UID: 0 PID: 1392 Comm: kworker/u8:13 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 230.907247][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 230.917840][ C1] Workqueue: bat_events batadv_tt_purge [ 230.923688][ C1] RIP: 0010:finish_task_switch+0x413/0xc60 [ 230.929569][ C1] Code: 04 00 00 41 c7 84 24 20 0e 00 00 00 00 00 00 0f 1f 44 00 00 49 83 c4 48 4c 89 e7 e8 07 33 c3 09 e8 f2 0a 39 00 fb 4c 8b 65 c8 <49> 8d bc 24 f8 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 [ 230.949558][ C1] RSP: 0000:ffffc90006e276a0 EFLAGS: 00000206 [ 230.955721][ C1] RAX: 0000000000016cb1 RBX: ffff8880b873d0e0 RCX: 8000000000000001 [ 230.963860][ C1] RDX: 0000000000000006 RSI: ffffffff8d8c94ba RDI: ffffffff8bcc2080 [ 230.972161][ C1] RBP: ffffc90006e276f0 R08: ffffffff8fb1dd7f R09: 1ffffffff1f63baf [ 230.980455][ C1] R10: dffffc0000000000 R11: fffffbfff1f63bb0 R12: ffff8880296d5dc0 [ 230.988736][ C1] R13: ffff8880b873d0a8 R14: dffffc0000000000 R15: 1ffff110170e7a1c [ 230.996882][ C1] FS: 0000000000000000(0000) GS:ffff888125cd6000(0000) knlGS:0000000000000000 [ 231.006013][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 231.012892][ C1] CR2: 00007ffe1b1b2830 CR3: 0000000032574000 CR4: 00000000003526f0 [ 231.021516][ C1] Call Trace: [ 231.025360][ C1] [ 231.028695][ C1] __schedule+0x16e1/0x5700 [ 231.034472][ C1] ? trace_event_raw_event_preemptirq_template+0x144/0x210 [ 231.042529][ C1] ? __pfx_trace_event_raw_event_preemptirq_template+0x10/0x10 [ 231.050620][ C1] ? trace_event_raw_event_preemptirq_template+0x144/0x210 [ 231.057957][ C1] ? __pfx___schedule+0x10/0x10 [ 231.063084][ C1] ? trace_event_buffer_commit+0x258/0x7a0 [ 231.070209][ C1] preempt_schedule_irq+0x4b/0x90 [ 231.075626][ C1] irqentry_exit+0x14f/0x910 [ 231.080359][ C1] ? trace_irq_disable+0x3b/0x140 [ 231.085860][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 231.091940][ C1] RIP: 0010:__local_bh_enable_ip+0x1c1/0x2b0 [ 231.098087][ C1] Code: f7 89 df e8 61 01 00 00 41 f7 c4 00 02 00 00 74 05 e8 a3 eb 45 00 9c 58 a9 00 02 00 00 75 23 41 f7 c4 00 02 00 00 74 01 fb 5b <41> 5c 41 5d 41 5e 41 5f 5d e9 51 52 d0 09 cc 90 0f 0b 90 e9 66 fe [ 231.118448][ C1] RSP: 0000:ffffc90006e27a20 EFLAGS: 00000206 [ 231.124583][ C1] RAX: 0000000000000002 RBX: ffff8880385698e8 RCX: 0000000000000046 [ 231.132612][ C1] RDX: 0000000000000006 RSI: ffffffff8d8c94ba RDI: ffffffff8bcc2080 [ 231.141307][ C1] RBP: 1ffff110052dad37 R08: ffffffff8fb1dd7f R09: 1ffffffff1f63baf [ 231.149701][ C1] R10: dffffc0000000000 R11: fffffbfff1f63bb0 R12: 0000000000000282 [ 231.158136][ C1] R13: dffffc0000000000 R14: ffff8880296d69bc R15: 0000000000000001 [ 231.167640][ C1] ? batadv_tt_purge+0x96/0x9f0 [ 231.172835][ C1] batadv_tt_purge+0x45a/0x9f0 [ 231.178036][ C1] ? batadv_tt_purge+0x96/0x9f0 [ 231.183391][ C1] ? process_scheduled_works+0x97a/0x1630 [ 231.189390][ C1] process_scheduled_works+0xc3d/0x1630 [ 231.196817][ C1] ? __pfx_process_scheduled_works+0x10/0x10 [ 231.203361][ C1] ? assign_work+0x3cf/0x5d0 [ 231.208512][ C1] worker_thread+0xa47/0xfb0 [ 231.214150][ C1] ? __kthread_parkme+0x71/0x1f0 [ 231.219879][ C1] kthread+0x38b/0x470 [ 231.224208][ C1] ? __pfx_worker_thread+0x10/0x10 [ 231.229836][ C1] ? __pfx_kthread+0x10/0x10 [ 231.234755][ C1] ret_from_fork+0x514/0xb70 [ 231.239867][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 231.245284][ C1] ? __switch_to+0xc89/0x1420 [ 231.250813][ C1] ? __pfx_kthread+0x10/0x10 [ 231.255683][ C1] ret_from_fork_asm+0x1a/0x30 [ 231.261611][ C1]