no interfaces have a carrier [ 45.888031][ T3932] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.917588][ T3932] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.92' (ED25519) to the list of known hosts. syzkaller login: [ 70.306181][ T4262] cgroup: Unknown subsys name 'net' [ 70.402571][ T4262] cgroup: Unknown subsys name 'rlimit' [ 70.513582][ T4276] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 70.522409][ T4276] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 70.537686][ T4285] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 70.543758][ T4286] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 70.545432][ T4285] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 70.552731][ T4286] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 70.559940][ T4285] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 70.573658][ T4287] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 70.574301][ T4285] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 70.580926][ T4287] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 70.588139][ T4285] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 70.602816][ T4286] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 70.605091][ T4287] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 70.617412][ T4287] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 70.625172][ T4285] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 70.625353][ T4287] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 70.632298][ T4285] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 70.639500][ T4287] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 70.647837][ T4285] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 70.654200][ T4287] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 70.660801][ T4285] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 70.674421][ T48] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 70.674552][ T4285] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 70.681755][ T48] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 70.689629][ T4285] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 70.703480][ T4287] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 70.705634][ T4285] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 70.717773][ T4287] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 70.741509][ T4272] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 70.749171][ T4272] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 executing program executing program [ 176.124314][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 176.131479][ C0] (detected by 0, t=10502 jiffies, g=7293, q=197 ncpus=2) [ 176.138723][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10500 (4294954715-4294944215), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 176.152124][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g7293 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 176.163257][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 176.173246][ C0] rcu: RCU grace-period kthread stack dump: [ 176.179239][ C0] task:rcu_preempt state:R running task stack:27760 pid:16 ppid:2 flags:0x00004000 [ 176.190051][ C0] Call Trace: [ 176.193358][ C0] [ 176.196323][ C0] __schedule+0x11d1/0x40e0 [ 176.200898][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 176.206820][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 176.212750][ C0] ? __sched_text_start+0x8/0x8 [ 176.217633][ C0] ? __mod_timer+0x91e/0xd00 [ 176.222356][ C0] schedule+0xb9/0x180 [ 176.226455][ C0] schedule_timeout+0x184/0x2d0 [ 176.231330][ C0] ? console_conditional_schedule+0x40/0x40 [ 176.237257][ C0] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 176.243183][ C0] ? update_process_times+0x1b0/0x1b0 [ 176.248591][ C0] ? prepare_to_swait_event+0x335/0x350 [ 176.254188][ C0] rcu_gp_fqs_loop+0x303/0x1340 [ 176.259183][ C0] ? dump_blkd_tasks+0x810/0x810 [ 176.264242][ C0] ? rcu_gp_init+0x14e0/0x14e0 [ 176.269030][ C0] ? rcu_gp_cleanup+0xb41/0xc90 [ 176.273912][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 176.279175][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 176.284528][ C0] rcu_gp_kthread+0x99/0x3b0 [ 176.289159][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 176.294305][ C0] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 176.300321][ C0] ? __kthread_parkme+0x162/0x1c0 [ 176.305494][ C0] kthread+0x29d/0x330 [ 176.309611][ C0] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 176.315016][ C0] ? kthread_blkcg+0xd0/0xd0 [ 176.319638][ C0] ret_from_fork+0x1f/0x30 [ 176.324098][ C0] [ 176.327165][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 176.333599][ C0] CPU: 0 PID: 4290 Comm: syz-executor199 Not tainted syzkaller #0 [ 176.341481][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 176.351645][ C0] RIP: 0010:lock_acquire+0x240/0x4a0 [ 176.357056][ C0] Code: 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 4b c7 44 3d 00 00 00 00 00 43 c7 44 3d 08 00 00 00 00 65 48 8b 04 25 28 00 00 00 <48> 3b 84 24 c0 00 00 00 0f 85 f8 00 00 00 48 8d 65 d8 5b 41 5c 41 [ 176.377301][ C0] RSP: 0018:ffffc90003d079e0 EFLAGS: 00000206 [ 176.383404][ C0] RAX: 2235f94f374f3000 RBX: 0000000000000000 RCX: 2235f94f374f3000 [ 176.391404][ C0] RDX: 0000000000000000 RSI: ffffffff8a8c22a0 RDI: ffffffff8adf13a0 [ 176.399400][ C0] RBP: ffffc90003d07af0 R08: dffffc0000000000 R09: 1ffffffff215f24e [ 176.407397][ C0] R10: dffffc0000000000 R11: fffffbfff215f24f R12: 0000000000000000 [ 176.415402][ C0] R13: 1ffff920007a0f48 R14: 0000000000000246 R15: dffffc0000000000 [ 176.423526][ C0] FS: 000055557ab013c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 176.432575][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 176.439266][ C0] CR2: 0000200000bbdffc CR3: 00000000775f6000 CR4: 00000000003506f0 [ 176.447368][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 176.455820][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 176.463815][ C0] Call Trace: [ 176.467118][ C0] [ 176.470086][ C0] ? __might_sleep+0xd0/0xd0 [ 176.474739][ C0] ? read_lock_is_recursive+0x10/0x10 [ 176.480146][ C0] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 176.486166][ C0] ? lock_chain_count+0x20/0x20 [ 176.491064][ C0] ? __might_fault+0xa6/0x120 [ 176.495768][ C0] __might_fault+0xc2/0x120 [ 176.500388][ C0] ? __might_fault+0xa6/0x120 [ 176.505094][ C0] fpu__restore_sig+0x246/0x1290 [ 176.510071][ C0] ? copy_fpstate_to_sigframe+0xd50/0xd50 [ 176.515849][ C0] ? __might_fault+0xc2/0x120 [ 176.520639][ C0] ? __might_fault+0xa6/0x120 [ 176.525359][ C0] __ia32_sys_rt_sigreturn+0x5e4/0x760 [ 176.530959][ C0] ? load_gs_index+0x130/0x130 [ 176.535780][ C0] ? lock_chain_count+0x20/0x20 [ 176.540667][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 176.545904][ C0] do_syscall_64+0x4c/0xa0 [ 176.550388][ C0] ? clear_bhb_loop+0x60/0xb0 [ 176.555183][ C0] ? clear_bhb_loop+0x60/0xb0 [ 176.559898][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 176.565909][ C0] RIP: 0033:0x7f420c3cf6b9 [ 176.570442][ C0] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 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 d0 ff ff ff f7 d8 64 89 01 48 [ 176.590421][ C0] RSP: 002b:00007fff81b24118 EFLAGS: 00000246 [ 176.596614][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f420c3cf6b9 [ 176.604699][ C0] RDX: 0000200000000240 RSI: 0000000000000000 RDI: 0000000000000000 [ 176.612788][ C0] RBP: 0000000000000000 R08: 00007fff81b24150 R09: 00007fff81b24150 [ 176.621049][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 176.629043][ C0] R13: 00007fff81b24150 R14: 00007fff81b24190 R15: 0000000000000000 [ 176.637054][ C0]