DUID 00:04:28:24:f9:2e:f8:c2:e4:5f:11:22:51:85:34:e5:7e:64 forked to background, child pid 3916 [ 36.013600][ T3917] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.042623][ T3917] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 76.091077][ T126] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.104' (ED25519) to the list of known hosts. Setting up swapspace version 1, size = 127995904 bytes [ 140.970526][ T4262] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 141.015670][ T4278] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 141.019211][ T4287] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 141.024833][ T4278] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 141.030591][ T4288] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 141.037815][ T4278] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 141.045005][ T4288] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 141.050969][ T4278] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 141.058855][ T4288] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 141.065400][ T4278] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 141.072838][ T4288] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 141.079327][ T4278] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 141.086266][ T4288] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 141.100464][ T4278] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 141.100600][ T4288] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 141.108034][ T4278] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 141.115457][ T4288] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 141.122275][ T4278] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 141.129336][ T4288] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 141.135910][ T4278] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 141.142966][ T4288] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 141.149651][ T4278] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 141.156266][ T4288] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 141.163094][ T4278] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 141.170932][ T4288] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 141.176883][ T4278] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 141.184295][ T4288] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 141.209171][ T4278] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 141.217535][ T4287] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 141.227575][ T4287] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 141.259151][ T4288] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 executing program executing program executing program [ 246.409047][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 246.416045][ C1] (detected by 1, t=10502 jiffies, g=5821, q=54 ncpus=2) [ 246.423172][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10501 (4294961801-4294951300), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 246.436552][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g5821 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 246.447680][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 246.457667][ C1] rcu: RCU grace-period kthread stack dump: [ 246.463571][ C1] task:rcu_preempt state:R running task stack:27256 pid:16 ppid:2 flags:0x00004000 [ 246.474376][ C1] Call Trace: [ 246.477669][ C1] [ 246.480618][ C1] __schedule+0x143f/0x4570 [ 246.485164][ C1] ? _raw_spin_unlock+0x40/0x40 [ 246.490053][ C1] ? __mod_timer+0x956/0xee0 [ 246.494675][ C1] ? release_firmware_map_entry+0x186/0x186 [ 246.500590][ C1] ? lockdep_softirqs_off+0x420/0x420 [ 246.506009][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 246.511949][ C1] ? _raw_spin_unlock+0x40/0x40 [ 246.516824][ C1] schedule+0xbf/0x180 [ 246.520907][ C1] schedule_timeout+0x1b9/0x300 [ 246.525772][ C1] ? console_conditional_schedule+0x40/0x40 [ 246.531681][ C1] ? update_process_times+0x1b0/0x1b0 [ 246.537073][ C1] ? prepare_to_swait_event+0x329/0x350 [ 246.542645][ C1] rcu_gp_fqs_loop+0x2d2/0x1150 [ 246.547525][ C1] ? dump_blkd_tasks+0x810/0x810 [ 246.552485][ C1] ? lockdep_hardirqs_on+0x94/0x130 [ 246.557701][ C1] ? rcu_gp_init+0x15f0/0x15f0 [ 246.562563][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 246.568481][ C1] ? finish_swait+0xcf/0x1e0 [ 246.573090][ C1] rcu_gp_kthread+0xa3/0x3b0 [ 246.577696][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 246.582824][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 246.588741][ C1] ? __kthread_parkme+0x168/0x1c0 [ 246.593791][ C1] kthread+0x28d/0x320 [ 246.597873][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0 [ 246.603002][ C1] ? kthread_blkcg+0xd0/0xd0 [ 246.607610][ C1] ret_from_fork+0x1f/0x30 [ 246.612065][ C1] [ 246.615098][ C1] rcu: Stack dump where RCU GP kthread last ran: [ 246.621455][ C1] Sending NMI from CPU 1 to CPUs 0: [ 246.626686][ C0] NMI backtrace for cpu 0 [ 246.626705][ C0] CPU: 0 PID: 4290 Comm: syz-executor145 Tainted: G W 6.1.121-syzkaller #0 [ 246.626722][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 246.626733][ C0] RIP: 0010:native_apic_msr_write+0x35/0x50 [ 246.626757][ C0] Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 c3 89 f6 31 d2 e9 af 8d 34 03 66 2e 0f 1f 84 00 00 00 00 00 [ 246.626772][ C0] RSP: 0018:ffffc90000007e58 EFLAGS: 00000046 [ 246.626785][ C0] RAX: 0000000000023ed6 RBX: ffffffff8cda5a30 RCX: 0000000000000838 [ 246.626796][ C0] RDX: 0000000000000000 RSI: 0000000000023ed6 RDI: 0000000000000838 [ 246.626805][ C0] RBP: 0000000000023ed6 R08: ffffffff817ce0ad R09: fffffbfff1d3608e [ 246.626815][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b8e271c0 [ 246.626826][ C0] R13: dffffc0000000000 R14: 0000000000023ed6 R15: dffffc0000000000 [ 246.626840][ C0] FS: 0000555560a623c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 246.626853][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 246.626863][ C0] CR2: 00007f86b0ea5b60 CR3: 000000007cd95000 CR4: 00000000003506f0 [ 246.626876][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 246.626885][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 246.626894][ C0] Call Trace: [ 246.626914][ C0] [ 246.626920][ C0] ? nmi_cpu_backtrace+0x3de/0x560 [ 246.626966][ C0] ? read_lock_is_recursive+0x10/0x10 [ 246.626992][ C0] ? nmi_trigger_cpumask_backtrace+0x3f0/0x3f0 [ 246.627018][ C0] ? nmi_handle+0x25/0x440 [ 246.627050][ C0] ? nmi_cpu_backtrace_handler+0x8/0x10 [ 246.627065][ C0] ? nmi_handle+0x12e/0x440 [ 246.627090][ C0] ? nmi_handle+0x25/0x440 [ 246.627115][ C0] ? native_apic_msr_write+0x35/0x50 [ 246.627134][ C0] ? default_do_nmi+0x62/0x150 [ 246.627149][ C0] ? exc_nmi+0xa8/0x100 [ 246.627164][ C0] ? end_repeat_nmi+0x16/0x31 [ 246.627181][ C0] ? clockevents_program_event+0x18d/0x310 [ 246.627207][ C0] ? native_apic_msr_write+0x35/0x50 [ 246.627226][ C0] ? native_apic_msr_write+0x35/0x50 [ 246.627246][ C0] ? native_apic_msr_write+0x35/0x50 [ 246.627265][ C0] [ 246.627269][ C0] [ 246.627273][ C0] lapic_next_event+0x5b/0x70 [ 246.627296][ C0] clockevents_program_event+0x1c5/0x310 [ 246.627321][ C0] hrtimer_interrupt+0x546/0x980 [ 246.627353][ C0] __sysvec_apic_timer_interrupt+0x158/0x5b0 [ 246.627378][ C0] sysvec_apic_timer_interrupt+0x9b/0xc0 [ 246.627397][ C0] [ 246.627401][ C0] [ 246.627406][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 246.627432][ C0] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 246.627455][ C0] Code: a1 95 f5 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 5e 18 ae f6 48 89 df e8 56 56 af f6 e8 e1 ad d4 f6 fb bf 01 00 00 00 66 e0 a1 f6 65 8b 05 27 c0 45 75 85 c0 74 02 5b c3 e8 d4 e3 43 [ 246.627468][ C0] RSP: 0018:ffffc90003f37b30 EFLAGS: 00000286 [ 246.627481][ C0] RAX: e093a7b2e939a800 RBX: ffff8880300bc0c0 RCX: ffffffff97355103 [ 246.627493][ C0] RDX: dffffc0000000000 RSI: ffffffff8b0c0340 RDI: 0000000000000001 [ 246.627505][ C0] RBP: ffffc90003f37c70 R08: dffffc0000000000 R09: ffffed1006017819 [ 246.627517][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff110060178ab [ 246.627528][ C0] R13: 000000001c000004 R14: 0000000000000021 R15: ffff8880300bc558 [ 246.627548][ C0] get_signal+0x154b/0x17d0 [ 246.627581][ C0] ? ptrace_notify+0x370/0x370 [ 246.627609][ C0] arch_do_signal_or_restart+0xb0/0x1a10 [ 246.627630][ C0] ? __might_fault+0xa1/0x110 [ 246.627652][ C0] ? __lock_acquire+0x1f80/0x1f80 [ 246.627680][ C0] ? do_sigaltstack+0x3f3/0x610 [ 246.627701][ C0] ? get_sigframe_size+0x10/0x10 [ 246.627719][ C0] ? restore_altstack+0x107/0x150 [ 246.627737][ C0] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 246.627769][ C0] ? exit_to_user_mode_loop+0x39/0x100 [ 246.627787][ C0] exit_to_user_mode_loop+0x6a/0x100 [ 246.627804][ C0] exit_to_user_mode_prepare+0xb1/0x140 [ 246.627821][ C0] syscall_exit_to_user_mode+0x60/0x270 [ 246.627841][ C0] do_syscall_64+0x47/0xb0 [ 246.627865][ C0] ? clear_bhb_loop+0x45/0xa0 [ 246.627880][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 246.627904][ C0] RIP: 0033:0x7f86b0e8c7a9 [ 246.627922][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 246.627939][ C0] RSP: 002b:00007fff136a32a8 EFLAGS: 00000246 [ 246.627952][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f86b0e8c7a9 [ 246.627962][ C0] RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000 [ 246.627972][ C0] RBP: 0000000000000000 R08: 00007f86b0e43990 R09: 00007f86b0e43990 [ 246.627983][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f86b0ee413c [ 246.627993][ C0] R13: 00007f86b0edd157 R14: 00007fff136a32e0 R15: 0000000000000000 [ 246.628012][ C0] [ 246.628018][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.335 msecs