[ 68.791999][ T27] audit: type=1800 audit(1576919241.009:26): pid=9309 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0
[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[ 69.842834][ T27] kauditd_printk_skb: 2 callbacks suppressed
[ 69.842847][ T27] audit: type=1800 audit(1576919242.079:29): pid=9309 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0
[ 69.869149][ T27] audit: type=1800 audit(1576919242.079:30): pid=9309 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0
Debian GNU/Linux 7 syzkaller ttyS0
Warning: Permanently added '10.128.10.22' (ECDSA) to the list of known hosts.
syzkaller login: [ 286.229918][ T9465] IPVS: ftp: loaded support on port[0] = 21
[ 286.289003][ T9465] chnl_net:caif_netlink_parms(): no params data found
[ 286.318052][ T9465] bridge0: port 1(bridge_slave_0) entered blocking state
[ 286.325750][ T9465] bridge0: port 1(bridge_slave_0) entered disabled state
[ 286.334003][ T9465] device bridge_slave_0 entered promiscuous mode
[ 286.342358][ T9465] bridge0: port 2(bridge_slave_1) entered blocking state
[ 286.349480][ T9465] bridge0: port 2(bridge_slave_1) entered disabled state
[ 286.357406][ T9465] device bridge_slave_1 entered promiscuous mode
[ 286.375725][ T9465] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 286.386619][ T9465] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 286.407163][ T9465] team0: Port device team_slave_0 added
[ 286.414578][ T9465] team0: Port device team_slave_1 added
[ 286.492436][ T9465] device hsr_slave_0 entered promiscuous mode
[ 286.540855][ T9465] device hsr_slave_1 entered promiscuous mode
[ 286.636527][ T9465] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 286.693055][ T9465] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 286.732623][ T9465] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 286.802234][ T9465] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 286.860134][ T9465] bridge0: port 2(bridge_slave_1) entered blocking state
[ 286.867343][ T9465] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 286.875074][ T9465] bridge0: port 1(bridge_slave_0) entered blocking state
[ 286.882181][ T9465] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 286.917136][ T9465] 8021q: adding VLAN 0 to HW filter on device bond0
[ 286.929857][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 286.951056][ T22] bridge0: port 1(bridge_slave_0) entered disabled state
[ 286.971279][ T22] bridge0: port 2(bridge_slave_1) entered disabled state
[ 286.979248][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 286.992106][ T9465] 8021q: adding VLAN 0 to HW filter on device team0
[ 287.002415][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 287.012734][ T5] bridge0: port 1(bridge_slave_0) entered blocking state
[ 287.021824][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 287.041239][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 287.049565][ T22] bridge0: port 2(bridge_slave_1) entered blocking state
[ 287.056705][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 287.064732][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 287.073672][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 287.083011][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 287.094774][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 287.106674][ T9465] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
executing program
[ 287.119167][ T9465] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 287.127356][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 287.144086][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 287.152464][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 287.164704][ T9465] 8021q: adding VLAN 0 to HW filter on device batadv0
executing program
executing program
[ 287.177910][ T9469] netlink: 24 bytes leftover after parsing attributes in process `syz-executor183'.
[ 287.187655][ T9469] sch_fq: defrate 0 ignored.
[ 287.197125][ T9470] netlink: 24 bytes leftover after parsing attributes in process `syz-executor183'.
[ 287.206742][ T9470] sch_fq: defrate 0 ignored.
[ 287.214816][ T9471] netlink: 24 bytes leftover after parsing attributes in process `syz-executor183'.
executing program
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[ 287.224320][ T9471] sch_fq: defrate 0 ignored.
[ 287.234070][ T9472] netlink: 24 bytes leftover after parsing attributes in process `syz-executor183'.
[ 287.244009][ T9472] sch_fq: defrate 0 ignored.
[ 287.253038][ T9473] netlink: 24 bytes leftover after parsing attributes in process `syz-executor183'.
[ 287.262592][ T9473] sch_fq: defrate 0 ignored.
executing program
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[ 287.272325][ T9474] netlink: 24 bytes leftover after parsing attributes in process `syz-executor183'.
[ 287.281861][ T9474] sch_fq: defrate 0 ignored.
[ 287.291463][ T9475] netlink: 24 bytes leftover after parsing attributes in process `syz-executor183'.
[ 287.301256][ T9475] sch_fq: defrate 0 ignored.
[ 287.309428][ T9476] netlink: 24 bytes leftover after parsing attributes in process `syz-executor183'.
[ 287.319686][ T9476] sch_fq: defrate 0 ignored.
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[ 287.328805][ T9477] netlink: 24 bytes leftover after parsing attributes in process `syz-executor183'.
[ 287.338482][ T9477] sch_fq: defrate 0 ignored.
[ 287.348674][ T9478] netlink: 24 bytes leftover after parsing attributes in process `syz-executor183'.
[ 287.358183][ T9478] sch_fq: defrate 0 ignored.
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[ 393.220239][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 393.227105][ C1] rcu: 1-...!: (1 GPs behind) idle=be2/1/0x4000000000000002 softirq=12989/12991 fqs=0
[ 393.236972][ C1] (t=10500 jiffies g=9037 q=154)
[ 393.241994][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g9037 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
[ 393.253256][ C1] rcu: RCU grace-period kthread stack dump:
[ 393.259133][ C1] rcu_preempt I29272 10 2 0x80004000
[ 393.265461][ C1] Call Trace:
[ 393.268838][ C1] __schedule+0x934/0x1f90
[ 393.273256][ C1] ? __sched_text_start+0x8/0x8
[ 393.278099][ C1] ? _raw_spin_unlock_irqrestore+0x66/0xe0
[ 393.283899][ C1] ? schedule_timeout+0x47c/0xc50
[ 393.288949][ C1] ? lockdep_hardirqs_on+0x421/0x5e0
[ 393.294234][ C1] schedule+0xdc/0x2b0
[ 393.298298][ C1] schedule_timeout+0x486/0xc50
[ 393.303158][ C1] ? _raw_spin_unlock_irqrestore+0x66/0xe0
[ 393.308970][ C1] ? usleep_range+0x170/0x170
[ 393.313726][ C1] ? trace_hardirqs_on+0x67/0x240
[ 393.318809][ C1] ? __next_timer_interrupt+0x1a0/0x1a0
[ 393.324393][ C1] ? swake_up_one+0x60/0x60
[ 393.328928][ C1] rcu_gp_kthread+0x9b2/0x18d0
[ 393.333702][ C1] ? rcu_barrier+0x350/0x350
[ 393.338310][ C1] ? trace_hardirqs_on+0x67/0x240
[ 393.343394][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[ 393.349676][ C1] ? __kthread_parkme+0x108/0x1c0
[ 393.354745][ C1] ? __kasan_check_read+0x11/0x20
[ 393.359766][ C1] kthread+0x361/0x430
[ 393.363831][ C1] ? rcu_barrier+0x350/0x350
[ 393.368414][ C1] ? kthread_mod_delayed_work+0x1f0/0x1f0
[ 393.374127][ C1] ret_from_fork+0x24/0x30
[ 393.378583][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 393.385294][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.340 msecs
[ 393.385877][ C1] NMI backtrace for cpu 0
[ 393.385883][ C1] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.5.0-rc2-syzkaller #0
[ 393.385890][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 393.385894][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x1e/0x50
[ 393.385907][ C1] Code: 00 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 65 48 8b 04 25 c0 1e 02 00 65 8b 15 84 f1 8c 7e 81 e2 00 01 1f 00 48 8b 75 08 <75> 2b 8b 90 80 13 00 00 83 fa 02 75 20 48 8b 88 88 13 00 00 8b 80
[ 393.385911][ C1] RSP: 0018:ffffc90000cfe958 EFLAGS: 00000206
[ 393.385920][ C1] RAX: ffff8880a99ee240 RBX: 0000000000000000 RCX: ffffffff8644d3d3
[ 393.385926][ C1] RDX: 0000000000000100 RSI: ffffffff8644d647 RDI: ffff8880903bde08
[ 393.385931][ C1] RBP: ffffc90000cfe958 R08: ffff8880a99ee240 R09: fffffbfff16599c4
[ 393.385937][ C1] R10: fffffbfff16599c3 R11: ffffffff8b2cce1f R12: ffff88809658f2d8
[ 393.385943][ C1] R13: ffff8880903bddc0 R14: dffffc0000000000 R15: ffff88809658f000
[ 393.385949][ C1] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
[ 393.385954][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 393.385959][ C1] CR2: 00000000006dbf70 CR3: 000000000986d000 CR4: 00000000001406f0
[ 393.385965][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 393.385971][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 393.385974][ C1] Call Trace:
[ 393.385977][ C1] fq_dequeue+0x777/0x16a0
[ 393.385981][ C1] __qdisc_run+0x1a5/0x1770
[ 393.385985][ C1] __dev_queue_xmit+0x163f/0x35c0
[ 393.385989][ C1] ? net_rx_action+0x508/0x1120
[ 393.385992][ C1] ? __do_softirq+0x262/0x98c
[ 393.385996][ C1] ? run_ksoftirqd+0x8e/0x110
[ 393.386000][ C1] ? smpboot_thread_fn+0x6a3/0xa40
[ 393.386004][ C1] ? kthread+0x361/0x430
[ 393.386008][ C1] ? netdev_core_pick_tx+0x2f0/0x2f0
[ 393.386012][ C1] ? rcu_lockdep_current_cpu_online+0xe3/0x130
[ 393.386017][ C1] ? rcu_lockdep_current_cpu_online+0xe3/0x130
[ 393.386021][ C1] ? rcu_read_lock_held+0x9c/0xb0
[ 393.386024][ C1] dev_queue_xmit+0x18/0x20
[ 393.386028][ C1] ? dev_queue_xmit+0x18/0x20
[ 393.386032][ C1] br_dev_queue_push_xmit+0x3f3/0x5e0
[ 393.386036][ C1] ? __skb_ext_del+0xb5/0x340
[ 393.386040][ C1] ? lock_downgrade+0x920/0x920
[ 393.386044][ C1] br_nf_dev_queue_xmit+0x34e/0x14b0
[ 393.386048][ C1] br_nf_post_routing+0x14e9/0x1d10
[ 393.386052][ C1] ? br_nf_dev_queue_xmit+0x14b0/0x14b0
[ 393.386056][ C1] ? nf_bridge_update_protocol+0x1d0/0x1d0
[ 393.386061][ C1] ? rcu_lockdep_current_cpu_online+0xe3/0x130
[ 393.386065][ C1] nf_hook_slow+0xbc/0x1e0
[ 393.386068][ C1] br_forward_finish+0x215/0x3f0
[ 393.386073][ C1] ? br_dev_queue_push_xmit+0x5e0/0x5e0
[ 393.386077][ C1] ? rcu_lockdep_current_cpu_online+0xe3/0x130
[ 393.386081][ C1] ? br_fdb_add.cold+0x87/0x87
[ 393.386085][ C1] ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 393.386089][ C1] ? nf_hook_slow+0xf0/0x1e0
[ 393.386093][ C1] br_nf_hook_thresh+0x2e9/0x370
[ 393.386097][ C1] ? br_dev_queue_push_xmit+0x5e0/0x5e0
[ 393.386101][ C1] ? setup_pre_routing+0x4b0/0x4b0
[ 393.386105][ C1] ? br_dev_queue_push_xmit+0x5e0/0x5e0
[ 393.386109][ C1] ? rcu_read_lock_held+0x9c/0xb0
[ 393.386114][ C1] ? __sanitizer_cov_trace_switch+0x49/0x80
[ 393.386118][ C1] br_nf_forward_finish+0x667/0xa80
[ 393.386122][ C1] ? br_dev_queue_push_xmit+0x5e0/0x5e0
[ 393.386126][ C1] br_nf_forward_ip+0xc65/0x21d0
[ 393.386130][ C1] ? br_nf_forward_arp+0x1660/0x1660
[ 393.386134][ C1] ? br_nf_hook_thresh+0x370/0x370
[ 393.386138][ C1] ? rcu_lockdep_current_cpu_online+0xe3/0x130
[ 393.386142][ C1] nf_hook_slow+0xbc/0x1e0
[ 393.386145][ C1] __br_forward+0x393/0xaf0
[ 393.386149][ C1] ? br_forward_finish+0x3f0/0x3f0
[ 393.386154][ C1] ? br_dev_queue_push_xmit+0x5e0/0x5e0
[ 393.386157][ C1] deliver_clone+0x61/0xc0
[ 393.386161][ C1] br_flood+0x325/0x3d0
[ 393.386165][ C1] br_handle_frame_finish+0xb46/0x1670
[ 393.386169][ C1] ? br_handle_local_finish+0x20/0x20
[ 393.386173][ C1] ? rcu_lockdep_current_cpu_online+0xe3/0x130
[ 393.386177][ C1] ? rcu_read_lock_held+0x9c/0xb0
[ 393.386182][ C1] ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 393.386185][ C1] ? nf_hook_slow+0xf0/0x1e0
[ 393.386189][ C1] br_nf_hook_thresh+0x2e9/0x370
[ 393.386193][ C1] ? br_handle_local_finish+0x20/0x20
[ 393.386197][ C1] ? setup_pre_routing+0x4b0/0x4b0
[ 393.386202][ C1] ? rcu_lockdep_current_cpu_online+0xe3/0x130
[ 393.386206][ C1] ? br_handle_local_finish+0x20/0x20
[ 393.386210][ C1] ? rcu_read_lock_held+0x9c/0xb0
[ 393.386214][ C1] ? rcu_read_lock_held_common+0x130/0x130
[ 393.386219][ C1] ? __sanitizer_cov_trace_switch+0x49/0x80
[ 393.386223][ C1] ? __sanitizer_cov_trace_switch+0x49/0x80
[ 393.386228][ C1] br_nf_pre_routing_finish_ipv6+0x6fa/0xdb0
[ 393.386232][ C1] ? br_handle_local_finish+0x20/0x20
[ 393.386236][ C1] ? __kasan_check_read+0x11/0x20
[ 393.386240][ C1] br_nf_pre_routing_ipv6+0x456/0x830
[ 393.386244][ C1] ? br_validate_ipv6+0xb80/0xb80
[ 393.386248][ C1] ? br_nf_pre_routing.cold+0x2d/0x2d
[ 393.386252][ C1] ? rcu_read_lock_held+0x9c/0xb0
[ 393.386257][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[ 393.386260][ C1] ? skb_pull_rcsum+0x155/0x300
[ 393.386264][ C1] br_nf_pre_routing+0x1896/0x22b3
[ 393.386269][ C1] ? br_nf_pre_routing_finish+0x1790/0x1790
[ 393.386273][ C1] ? br_nf_pre_routing_finish+0x1790/0x1790
[ 393.386277][ C1] br_handle_frame+0x806/0x1340
[ 393.386281][ C1] ? br_handle_frame_finish+0x1670/0x1670
[ 393.386286][ C1] ? rcu_lockdep_current_cpu_online+0xe3/0x130
[ 393.386290][ C1] ? br_handle_local_finish+0x20/0x20
[ 393.386294][ C1] ? rcu_read_lock_held_common+0x130/0x130
[ 393.386298][ C1] ? __kasan_check_read+0x11/0x20
[ 393.386303][ C1] ? br_handle_frame_finish+0x1670/0x1670
[ 393.386307][ C1] __netif_receive_skb_core+0xfbc/0x30b0
[ 393.386311][ C1] ? enable_cpucache.cold+0xe/0x1e
[ 393.386315][ C1] ? do_xdp_generic+0x50/0x50
[ 393.386319][ C1] ? __kasan_check_read+0x11/0x20
[ 393.386322][ C1] ? __lock_acquire+0x8a0/0x4a00
[ 393.386326][ C1] ? cpuacct_charge+0x1db/0x360
[ 393.386330][ C1] ? find_held_lock+0x35/0x130
[ 393.386335][ C1] __netif_receive_skb_one_core+0xa8/0x1a0
[ 393.386339][ C1] ? __netif_receive_skb_one_core+0xa8/0x1a0
[ 393.386343][ C1] ? __netif_receive_skb_core+0x30b0/0x30b0
[ 393.386347][ C1] ? lock_acquire+0x190/0x410
[ 393.386351][ C1] ? process_backlog+0x195/0x750
[ 393.386355][ C1] __netif_receive_skb+0x2c/0x1d0
[ 393.386359][ C1] process_backlog+0x206/0x750
[ 393.386362][ C1] ? net_rx_action+0x27b/0x1120
[ 393.386366][ C1] ? lockdep_hardirqs_on+0x19e/0x5e0
[ 393.386370][ C1] net_rx_action+0x508/0x1120
[ 393.386374][ C1] ? napi_busy_loop+0x970/0x970
[ 393.386378][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 393.386383][ C1] ? rcu_read_lock_any_held.part.0+0x50/0x50
[ 393.386386][ C1] ? trace_hardirqs_on+0x67/0x240
[ 393.386390][ C1] __do_softirq+0x262/0x98c
[ 393.386394][ C1] ? takeover_tasklets+0x820/0x820
[ 393.386398][ C1] run_ksoftirqd+0x8e/0x110
[ 393.386401][ C1] smpboot_thread_fn+0x6a3/0xa40
[ 393.386406][ C1] ? __smpboot_create_thread.part.0+0x340/0x340
[ 393.386411][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[ 393.386415][ C1] ? __kthread_parkme+0x108/0x1c0
[ 393.386419][ C1] ? __kasan_check_read+0x11/0x20
[ 393.386422][ C1] kthread+0x361/0x430
[ 393.386427][ C1] ? __smpboot_create_thread.part.0+0x340/0x340
[ 393.386431][ C1] ? kthread_mod_delayed_work+0x1f0/0x1f0
[ 393.386435][ C1] ret_from_fork+0x24/0x30
[ 393.386443][ C1] NMI backtrace for cpu 1
[ 394.130465][ C1] CPU: 1 PID: 9744 Comm: syz-executor183 Not tainted 5.5.0-rc2-syzkaller #0
[ 394.139124][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 394.149172][ C1] Call Trace:
[ 394.152447][ C1]
[ 394.155363][ C1] dump_stack+0x197/0x210
[ 394.159701][ C1] nmi_cpu_backtrace.cold+0x70/0xb2
[ 394.164901][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 394.171146][ C1] ? lapic_can_unplug_cpu.cold+0x3a/0x3a
[ 394.176776][ C1] nmi_trigger_cpumask_backtrace+0x23b/0x28b
[ 394.182754][ C1] arch_trigger_cpumask_backtrace+0x14/0x20
[ 394.188639][ C1] rcu_dump_cpu_stacks+0x183/0x1cf
[ 394.193756][ C1] rcu_sched_clock_irq.cold+0x509/0xc02
[ 394.199296][ C1] ? raise_softirq+0x138/0x340
[ 394.204064][ C1] update_process_times+0x2d/0x70
[ 394.209160][ C1] tick_sched_handle+0xa2/0x190
[ 394.214010][ C1] tick_sched_timer+0x53/0x140
[ 394.218773][ C1] __hrtimer_run_queues+0x364/0xe40
[ 394.223968][ C1] ? tick_sched_do_timer+0x1b0/0x1b0
[ 394.229247][ C1] ? hrtimer_init+0x330/0x330
[ 394.234008][ C1] ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 394.239736][ C1] ? ktime_get_update_offsets_now+0x2ce/0x430
[ 394.245804][ C1] hrtimer_interrupt+0x314/0x770
[ 394.250753][ C1] smp_apic_timer_interrupt+0x160/0x610
[ 394.256296][ C1] apic_timer_interrupt+0xf/0x20
[ 394.261242][ C1]
[ 394.264179][ C1] RIP: 0010:native_safe_halt+0xe/0x10
[ 394.269550][ C1] Code: a8 98 ea f9 eb 8a cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d 94 2a 60 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 84 2a 60 00 fb f4 cc 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 7e 6d 9a f9 e8 e9
[ 394.289182][ C1] RSP: 0018:ffffc90002df71d0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 394.297611][ C1] RAX: 1ffffffff132669e RBX: ffff88809658f0e8 RCX: 0000000000000002
[ 394.305578][ C1] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff88808ce80d54
[ 394.313557][ C1] RBP: ffffc90002df71f0 R08: 1ffffffff16599c3 R09: fffffbfff16599c4
[ 394.321535][ C1] R10: fffffbfff16599c3 R11: ffffffff8b2cce1f R12: 0000000000000003
[ 394.329495][ C1] R13: 0000000000000286 R14: 0000000000000000 R15: 0000000000000001
[ 394.337560][ C1] ? kvm_wait+0x1c0/0x250
[ 394.341891][ C1] __pv_queued_spin_lock_slowpath+0x9ba/0xc40
[ 394.347955][ C1] ? pv_hash+0xf0/0xf0
[ 394.352017][ C1] ? mark_held_locks+0xf0/0xf0
[ 394.356778][ C1] do_raw_spin_lock+0x21d/0x2f0
[ 394.361625][ C1] ? rwlock_bug.part.0+0x90/0x90
[ 394.366551][ C1] ? lock_acquire+0x190/0x410
[ 394.371219][ C1] ? fq_change+0x17f/0xe60
[ 394.375655][ C1] _raw_spin_lock_bh+0x3b/0x50
[ 394.380408][ C1] ? fq_change+0x17f/0xe60
[ 394.384817][ C1] fq_change+0x17f/0xe60
[ 394.389055][ C1] ? fq_resize+0x8c0/0x8c0
[ 394.393538][ C1] ? nla_strcmp+0xe3/0x120
[ 394.397949][ C1] ? fq_resize+0x8c0/0x8c0
[ 394.402375][ C1] tc_modify_qdisc+0xfd5/0x1cd0
[ 394.407229][ C1] ? qdisc_create+0x1210/0x1210
[ 394.412095][ C1] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 394.418330][ C1] ? qdisc_create+0x1210/0x1210
[ 394.423222][ C1] rtnetlink_rcv_msg+0x45e/0xaf0
[ 394.428157][ C1] ? rtnl_bridge_getlink+0x910/0x910
[ 394.433445][ C1] ? rcu_preempt_deferred_qs_irqrestore+0x4ff/0xd60
[ 394.440111][ C1] ? _raw_spin_unlock_irqrestore+0x66/0xe0
[ 394.445955][ C1] ? netlink_deliver_tap+0x228/0xbe0
[ 394.451235][ C1] ? find_held_lock+0x35/0x130
[ 394.456016][ C1] netlink_rcv_skb+0x177/0x450
[ 394.460803][ C1] ? rtnl_bridge_getlink+0x910/0x910
[ 394.466099][ C1] ? netlink_ack+0xb50/0xb50
[ 394.470684][ C1] ? __rcu_read_unlock+0x224/0x710
[ 394.475786][ C1] ? __kasan_check_read+0x11/0x20
[ 394.480807][ C1] ? netlink_deliver_tap+0x24a/0xbe0
[ 394.486100][ C1] rtnetlink_rcv+0x1d/0x30
[ 394.490510][ C1] netlink_unicast+0x58c/0x7d0
[ 394.495274][ C1] ? netlink_attachskb+0x870/0x870
[ 394.500379][ C1] ? __sanitizer_cov_trace_cmp8+0x18/0x20
[ 394.506150][ C1] ? __check_object_size+0x3d/0x437
[ 394.511449][ C1] netlink_sendmsg+0x91c/0xea0
[ 394.516231][ C1] ? netlink_unicast+0x7d0/0x7d0
[ 394.525490][ C1] ? aa_sock_msg_perm.isra.0+0xba/0x170
[ 394.531032][ C1] ? apparmor_socket_sendmsg+0x2a/0x30
[ 394.536482][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 394.542797][ C1] ? security_socket_sendmsg+0x8d/0xc0
[ 394.548251][ C1] ? netlink_unicast+0x7d0/0x7d0
[ 394.553209][ C1] sock_sendmsg+0xd7/0x130
[ 394.557622][ C1] ____sys_sendmsg+0x753/0x880
[ 394.562384][ C1] ? kernel_sendmsg+0x50/0x50
[ 394.567055][ C1] ? compat_ifr_data_ioctl+0x160/0x160
[ 394.572518][ C1] ___sys_sendmsg+0x100/0x170
[ 394.577195][ C1] ? sendmsg_copy_msghdr+0x70/0x70
[ 394.582298][ C1] ? sock_ioctl+0x489/0x790
[ 394.586800][ C1] ? dlci_ioctl_set+0x40/0x40
[ 394.591515][ C1] ? __do_page_fault+0x56a/0xd80
[ 394.596456][ C1] ? dlci_ioctl_set+0x40/0x40
[ 394.601130][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 394.607369][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 394.613636][ C1] ? __fget_light+0x1a9/0x230
[ 394.618309][ C1] ? __fdget+0x1b/0x20
[ 394.622370][ C1] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 394.628694][ C1] __sys_sendmsg+0x105/0x1d0
[ 394.633279][ C1] ? __sys_sendmsg_sock+0xc0/0xc0
[ 394.638362][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 394.643815][ C1] ? do_syscall_64+0x26/0x790
[ 394.648487][ C1] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 394.654543][ C1] ? do_syscall_64+0x26/0x790
[ 394.659218][ C1] __x64_sys_sendmsg+0x78/0xb0
[ 394.663979][ C1] do_syscall_64+0xfa/0x790
[ 394.668481][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 394.674373][ C1] RIP: 0033:0x4428b9
[ 394.678272][ C1] Code: e8 ac 07 03 00 48 83 c4 18 c3 0f 1f 80 00 00 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 0f 83 1b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00
[ 394.697868][ C1] RSP: 002b:00007fff0f88a1f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 394.706270][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004428b9
[ 394.714230][ C1] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003
[ 394.722209][ C1] RBP: 00000000000465c9 R08: 0000000000000000 R09: 0000000000000000
[ 394.730170][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 394.738402][ C1] R13: 00000000004037f0 R14: 0000000000000000 R15: 0000000000000000