[ 79.588430][ T27] audit: type=1400 audit(1576853219.361:37): avc: denied { watch } for pid=9934 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [ 79.630395][ T27] audit: type=1400 audit(1576853219.391:38): avc: denied { watch } for pid=9934 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2232 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 79.829934][ T27] audit: type=1800 audit(1576853219.601:39): pid=9847 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 79.852066][ T27] audit: type=1800 audit(1576853219.601:40): pid=9847 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 82.781457][ T27] audit: type=1400 audit(1576853222.551:41): avc: denied { map } for pid=10024 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.10.46' (ECDSA) to the list of known hosts. [ 304.882004][ T27] audit: type=1400 audit(1576853444.651:42): avc: denied { map } for pid=10036 comm="syz-executor166" path="/root/syz-executor166002399" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 304.911952][T10037] IPVS: ftp: loaded support on port[0] = 21 [ 304.940647][ T27] audit: type=1400 audit(1576853444.711:43): avc: denied { create } for pid=10037 comm="syz-executor166" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 304.966742][ T27] audit: type=1400 audit(1576853444.711:44): avc: denied { write } for pid=10037 comm="syz-executor166" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 304.992205][ T27] audit: type=1400 audit(1576853444.711:45): avc: denied { read } for pid=10037 comm="syz-executor166" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 305.045964][T10037] chnl_net:caif_netlink_parms(): no params data found [ 305.076074][T10037] bridge0: port 1(bridge_slave_0) entered blocking state [ 305.083570][T10037] bridge0: port 1(bridge_slave_0) entered disabled state [ 305.091555][T10037] device bridge_slave_0 entered promiscuous mode [ 305.100546][T10037] bridge0: port 2(bridge_slave_1) entered blocking state [ 305.108183][T10037] bridge0: port 2(bridge_slave_1) entered disabled state [ 305.116741][T10037] device bridge_slave_1 entered promiscuous mode [ 305.133742][T10037] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 305.146309][T10037] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 305.167468][T10037] team0: Port device team_slave_0 added [ 305.175489][T10037] team0: Port device team_slave_1 added [ 305.256865][T10037] device hsr_slave_0 entered promiscuous mode [ 305.314476][T10037] device hsr_slave_1 entered promiscuous mode [ 305.379439][T10037] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 305.427059][T10037] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 305.496723][T10037] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 305.567483][T10037] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 305.654420][T10037] bridge0: port 2(bridge_slave_1) entered blocking state [ 305.661586][T10037] bridge0: port 2(bridge_slave_1) entered forwarding state [ 305.669422][T10037] bridge0: port 1(bridge_slave_0) entered blocking state [ 305.676537][T10037] bridge0: port 1(bridge_slave_0) entered forwarding state [ 305.713893][T10037] 8021q: adding VLAN 0 to HW filter on device bond0 [ 305.729920][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 305.741133][ T3011] bridge0: port 1(bridge_slave_0) entered disabled state [ 305.759576][ T3011] bridge0: port 2(bridge_slave_1) entered disabled state [ 305.768688][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 305.781182][T10037] 8021q: adding VLAN 0 to HW filter on device team0 [ 305.792067][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 305.800596][ T3011] bridge0: port 1(bridge_slave_0) entered blocking state [ 305.807761][ T3011] bridge0: port 1(bridge_slave_0) entered forwarding state [ 305.819153][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 305.827936][ T2732] bridge0: port 2(bridge_slave_1) entered blocking state [ 305.835097][ T2732] bridge0: port 2(bridge_slave_1) entered forwarding state [ 305.852700][T10039] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 305.861330][T10039] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 305.872120][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 305.885548][T10039] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 305.897913][T10037] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network executing program [ 305.911106][T10037] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 305.919557][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 305.937032][T10039] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 305.945528][T10039] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 305.957455][T10037] 8021q: adding VLAN 0 to HW filter on device batadv0 executing program executing program [ 305.971192][T10042] netlink: 24 bytes leftover after parsing attributes in process `syz-executor166'. [ 305.980882][T10042] sch_fq: defrate 0 ignored. [ 305.991351][T10043] netlink: 24 bytes leftover after parsing attributes in process `syz-executor166'. [ 306.000814][T10043] sch_fq: defrate 0 ignored. [ 306.010523][T10044] netlink: 24 bytes leftover after parsing attributes in process `syz-executor166'. executing program executing program executing program [ 306.020045][T10044] sch_fq: defrate 0 ignored. [ 306.030498][T10045] netlink: 24 bytes leftover after parsing attributes in process `syz-executor166'. [ 306.040074][T10045] sch_fq: defrate 0 ignored. [ 306.049684][T10046] netlink: 24 bytes leftover after parsing attributes in process `syz-executor166'. [ 306.059148][T10046] sch_fq: defrate 0 ignored. executing program executing program executing program [ 306.069019][T10047] netlink: 24 bytes leftover after parsing attributes in process `syz-executor166'. [ 306.079626][T10047] sch_fq: defrate 0 ignored. [ 306.088986][T10048] netlink: 24 bytes leftover after parsing attributes in process `syz-executor166'. [ 306.098460][T10048] sch_fq: defrate 0 ignored. [ 306.107709][T10049] netlink: 24 bytes leftover after parsing attributes in process `syz-executor166'. [ 306.117238][T10049] sch_fq: defrate 0 ignored. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 306.127020][T10050] netlink: 24 bytes leftover after parsing attributes in process `syz-executor166'. [ 306.136733][T10050] sch_fq: defrate 0 ignored. [ 306.146479][T10051] netlink: 24 bytes leftover after parsing attributes in process `syz-executor166'. [ 306.156008][T10051] sch_fq: defrate 0 ignored. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 413.033995][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 413.041105][ C0] (detected by 0, t=10502 jiffies, g=10149, q=201) [ 413.047672][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294978441-4294967939), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 413.061055][ C0] sshd R running task 26584 10034 9965 0x00000008 [ 413.068969][ C0] Call Trace: [ 413.072272][ C0] [ 413.075190][ C0] sched_show_task.cold+0x2ee/0x35d [ 413.080374][ C0] ? can_nice.part.0+0x20/0x20 [ 413.085166][ C0] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 413.090956][ C0] rcu_sched_clock_irq.cold+0xaf4/0xc02 [ 413.096650][ C0] update_process_times+0x2d/0x70 [ 413.101697][ C0] tick_sched_handle+0xa2/0x190 [ 413.106545][ C0] tick_sched_timer+0x53/0x140 [ 413.111316][ C0] __hrtimer_run_queues+0x364/0xe40 [ 413.116499][ C0] ? tick_sched_do_timer+0x1b0/0x1b0 [ 413.121766][ C0] ? hrtimer_init+0x330/0x330 [ 413.126420][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 413.132114][ C0] ? ktime_get_update_offsets_now+0x2ce/0x430 [ 413.138161][ C0] hrtimer_interrupt+0x314/0x770 [ 413.143151][ C0] smp_apic_timer_interrupt+0x160/0x610 [ 413.148680][ C0] apic_timer_interrupt+0xf/0x20 [ 413.153635][ C0] RIP: 0010:fq_dequeue+0x7b3/0x16a0 [ 413.158816][ C0] Code: 4d 89 af d8 02 00 00 49 c7 45 48 00 00 00 00 e9 01 fd ff ff e8 7e 56 30 fb 48 8b 45 90 48 89 45 d0 48 8b 45 a0 42 80 3c 30 00 <0f> 85 4f 0c 00 00 4d 8b af d0 02 00 00 4d 85 ed 0f 85 ff fc ff ff [ 413.178423][ C0] RSP: 0018:ffffc90000006ab8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 413.186825][ C0] RAX: 1ffff1101246725a RBX: 0000000000000000 RCX: ffffffff8644d3d3 [ 413.194777][ C0] RDX: 0000000000000100 RSI: ffffffff8644d672 RDI: ffff88809708c728 [ 413.202749][ C0] RBP: ffffc90000006b40 R08: ffff88809cba2300 R09: fffffbfff16599c5 [ 413.210714][ C0] R10: fffffbfff16599c4 R11: ffffffff8b2cce27 R12: ffff8880923392d8 [ 413.218676][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888092339000 [ 413.226681][ C0] ? apic_timer_interrupt+0xa/0x20 [ 413.231779][ C0] ? fq_dequeue+0x503/0x16a0 [ 413.236348][ C0] ? fq_dequeue+0x7a2/0x16a0 [ 413.240931][ C0] ? fq_dequeue+0x7a2/0x16a0 [ 413.245583][ C0] __qdisc_run+0x1a5/0x1770 [ 413.250098][ C0] __dev_queue_xmit+0x163f/0x35c0 [ 413.255106][ C0] ? net_rx_action+0x508/0x1120 [ 413.259949][ C0] ? __do_softirq+0x262/0x98c [ 413.264644][ C0] ? irq_exit+0x19b/0x1e0 [ 413.268959][ C0] ? smp_apic_timer_interrupt+0x1a3/0x610 [ 413.274659][ C0] ? apic_timer_interrupt+0xf/0x20 [ 413.279769][ C0] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 413.285047][ C0] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 413.291193][ C0] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 413.297327][ C0] ? rcu_read_lock_held+0x9c/0xb0 [ 413.302403][ C0] dev_queue_xmit+0x18/0x20 [ 413.306894][ C0] ? dev_queue_xmit+0x18/0x20 [ 413.311655][ C0] br_dev_queue_push_xmit+0x3f3/0x5e0 [ 413.317048][ C0] ? __skb_ext_del+0xb5/0x340 [ 413.321735][ C0] ? lock_downgrade+0x920/0x920 [ 413.326606][ C0] br_nf_dev_queue_xmit+0x34e/0x14b0 [ 413.331876][ C0] br_nf_post_routing+0x14e9/0x1d10 [ 413.337057][ C0] ? br_nf_dev_queue_xmit+0x14b0/0x14b0 [ 413.342585][ C0] ? nf_bridge_update_protocol+0x1d0/0x1d0 [ 413.348423][ C0] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 413.354589][ C0] nf_hook_slow+0xbc/0x1e0 [ 413.358992][ C0] br_forward_finish+0x215/0x3f0 [ 413.363932][ C0] ? br_dev_queue_push_xmit+0x5e0/0x5e0 [ 413.369491][ C0] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 413.375638][ C0] ? br_fdb_add.cold+0x87/0x87 [ 413.380403][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 413.386114][ C0] ? nf_hook_slow+0xf0/0x1e0 [ 413.390689][ C0] br_nf_hook_thresh+0x2e9/0x370 [ 413.395613][ C0] ? br_dev_queue_push_xmit+0x5e0/0x5e0 [ 413.401143][ C0] ? setup_pre_routing+0x4b0/0x4b0 [ 413.406235][ C0] ? br_dev_queue_push_xmit+0x5e0/0x5e0 [ 413.411757][ C0] ? rcu_read_lock_held+0x9c/0xb0 [ 413.416761][ C0] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 413.422636][ C0] br_nf_forward_finish+0x667/0xa80 [ 413.427817][ C0] ? br_dev_queue_push_xmit+0x5e0/0x5e0 [ 413.433355][ C0] br_nf_forward_ip+0xc65/0x21d0 [ 413.438285][ C0] ? br_nf_forward_arp+0x1660/0x1660 [ 413.443550][ C0] ? br_nf_hook_thresh+0x370/0x370 [ 413.448640][ C0] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 413.454781][ C0] nf_hook_slow+0xbc/0x1e0 [ 413.459269][ C0] __br_forward+0x393/0xaf0 [ 413.463881][ C0] ? br_forward_finish+0x3f0/0x3f0 [ 413.468991][ C0] ? br_dev_queue_push_xmit+0x5e0/0x5e0 [ 413.474533][ C0] deliver_clone+0x61/0xc0 [ 413.478982][ C0] br_flood+0x325/0x3d0 [ 413.483194][ C0] br_handle_frame_finish+0xb46/0x1670 [ 413.488653][ C0] ? br_handle_local_finish+0x20/0x20 [ 413.495192][ C0] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 413.501356][ C0] ? rcu_read_lock_held+0x9c/0xb0 [ 413.506370][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 413.512084][ C0] ? nf_hook_slow+0xf0/0x1e0 [ 413.516686][ C0] br_nf_hook_thresh+0x2e9/0x370 [ 413.521623][ C0] ? br_handle_local_finish+0x20/0x20 [ 413.526977][ C0] ? setup_pre_routing+0x4b0/0x4b0 [ 413.532082][ C0] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 413.538234][ C0] ? br_handle_local_finish+0x20/0x20 [ 413.543592][ C0] ? rcu_read_lock_held+0x9c/0xb0 [ 413.548598][ C0] ? rcu_read_lock_held_common+0x130/0x130 [ 413.554403][ C0] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 413.560328][ C0] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 413.566338][ C0] br_nf_pre_routing_finish_ipv6+0x6fa/0xdb0 [ 413.572296][ C0] ? br_handle_local_finish+0x20/0x20 [ 413.577718][ C0] ? __kasan_check_read+0x11/0x20 [ 413.582728][ C0] br_nf_pre_routing_ipv6+0x456/0x830 [ 413.588093][ C0] ? br_validate_ipv6+0xb80/0xb80 [ 413.593113][ C0] ? br_nf_pre_routing.cold+0x2d/0x2d [ 413.598493][ C0] ? rcu_read_lock_held+0x9c/0xb0 [ 413.603524][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 413.610461][ C0] ? skb_pull_rcsum+0x155/0x300 [ 413.615309][ C0] br_nf_pre_routing+0x1896/0x22b3 [ 413.620421][ C0] ? br_nf_pre_routing_finish+0x1790/0x1790 [ 413.626323][ C0] ? br_nf_pre_routing_finish+0x1790/0x1790 [ 413.632215][ C0] br_handle_frame+0x806/0x1340 [ 413.637054][ C0] ? br_handle_frame_finish+0x1670/0x1670 [ 413.642756][ C0] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 413.651326][ C0] ? br_handle_local_finish+0x20/0x20 [ 413.656680][ C0] ? rcu_read_lock_held_common+0x130/0x130 [ 413.662466][ C0] ? br_handle_frame_finish+0x1670/0x1670 [ 413.668165][ C0] __netif_receive_skb_core+0xfbc/0x30b0 [ 413.673779][ C0] ? enable_cpucache.cold+0xe/0x1e [ 413.678870][ C0] ? do_xdp_generic+0x50/0x50 [ 413.683536][ C0] ? __kasan_check_read+0x11/0x20 [ 413.688542][ C0] ? __lock_acquire+0x8a0/0x4a00 [ 413.693460][ C0] ? __kasan_check_read+0x11/0x20 [ 413.698482][ C0] __netif_receive_skb_one_core+0xa8/0x1a0 [ 413.704266][ C0] ? __netif_receive_skb_one_core+0xa8/0x1a0 [ 413.710233][ C0] ? __netif_receive_skb_core+0x30b0/0x30b0 [ 413.716103][ C0] ? lock_acquire+0x190/0x410 [ 413.720757][ C0] ? process_backlog+0x195/0x750 [ 413.725676][ C0] __netif_receive_skb+0x2c/0x1d0 [ 413.730682][ C0] process_backlog+0x206/0x750 [ 413.735423][ C0] ? net_rx_action+0x27b/0x1120 [ 413.740253][ C0] ? lockdep_hardirqs_on+0x19e/0x5e0 [ 413.745520][ C0] net_rx_action+0x508/0x1120 [ 413.750181][ C0] ? napi_busy_loop+0x970/0x970 [ 413.755014][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 413.760538][ C0] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 413.766558][ C0] ? trace_hardirqs_on+0x67/0x240 [ 413.771567][ C0] __do_softirq+0x262/0x98c [ 413.776046][ C0] ? sched_clock_cpu+0x1b/0x1b0 [ 413.780881][ C0] irq_exit+0x19b/0x1e0 [ 413.785017][ C0] smp_apic_timer_interrupt+0x1a3/0x610 [ 413.790557][ C0] apic_timer_interrupt+0xf/0x20 [ 413.795471][ C0] [ 413.798431][ C0] RIP: 0010:tcp_sendmsg_locked+0x1a1d/0x33a0 [ 413.804415][ C0] Code: f0 fe ff ff 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 00 17 00 00 41 89 9e b8 00 00 00 41 bf f2 ff ff ff e9 7f 03 00 00 9e 93 eb fa 48 8b 85 90 fe ff ff 48 89 85 10 ff ff ff e9 a8 f5 [ 413.824196][ C0] RSP: 0018:ffffc90001df7920 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 413.832603][ C0] RAX: 0000000000000000 RBX: ffff888093571afc RCX: ffffffff86898ee8 [ 413.840572][ C0] RDX: 0000000000000400 RSI: 0000000000000400 RDI: 0000000000000005 [ 413.848525][ C0] RBP: ffffc90001df7ab0 R08: ffff88809cba2300 R09: ffffed1013bf3d5d [ 413.856488][ C0] R10: ffffed1013bf3d5c R11: ffff88809df9eae3 R12: 0000000000000038 [ 413.864438][ C0] R13: ffff888093571a40 R14: ffff888085e92040 R15: dffffc0000000000 [ 413.872456][ C0] ? tcp_sendmsg_locked+0xfb8/0x33a0 [ 413.877727][ C0] ? __kasan_check_read+0x11/0x20 [ 413.882730][ C0] ? mark_lock+0xc2/0x1220 [ 413.887144][ C0] ? tcp_sendpage+0x60/0x60 [ 413.891636][ C0] ? trace_hardirqs_on+0x67/0x240 [ 413.896641][ C0] ? lock_sock_nested+0x9a/0x120 [ 413.901654][ C0] ? __local_bh_enable_ip+0x15a/0x270 [ 413.907008][ C0] tcp_sendmsg+0x30/0x50 [ 413.911276][ C0] inet_sendmsg+0x9e/0xe0 [ 413.915587][ C0] ? inet_send_prepare+0x4e0/0x4e0 [ 413.920707][ C0] sock_sendmsg+0xd7/0x130 [ 413.925123][ C0] sock_write_iter+0x2cb/0x400 [ 413.929903][ C0] ? sock_sendmsg+0x130/0x130 [ 413.934654][ C0] ? inode_has_perm+0x1b0/0x230 [ 413.939598][ C0] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.945854][ C0] ? iov_iter_init+0xee/0x220 [ 413.950635][ C0] new_sync_write+0x4d3/0x770 [ 413.955298][ C0] ? new_sync_read+0x800/0x800 [ 413.960055][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.966389][ C0] ? security_file_permission+0x8f/0x380 [ 413.972009][ C0] __vfs_write+0xe1/0x110 [ 413.976336][ C0] vfs_write+0x268/0x5d0 [ 413.980561][ C0] ksys_write+0x220/0x290 [ 413.984871][ C0] ? __ia32_sys_read+0xb0/0xb0 [ 413.989663][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 413.995109][ C0] ? do_syscall_64+0x26/0x790 [ 413.999781][ C0] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 414.005851][ C0] ? do_syscall_64+0x26/0x790 [ 414.010580][ C0] __x64_sys_write+0x73/0xb0 [ 414.015173][ C0] do_syscall_64+0xfa/0x790 [ 414.019716][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 414.025685][ C0] RIP: 0033:0x7f5c7193a370 [ 414.030084][ C0] Code: 73 01 c3 48 8b 0d c8 4a 2b 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 83 3d 85 a2 2b 00 00 75 10 b8 01 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 0e 8a 01 00 48 89 04 24 [ 414.049685][ C0] RSP: 002b:00007ffdcd194578 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 414.058074][ C0] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f5c7193a370 [ 414.066035][ C0] RDX: 0000000000000038 RSI: 000055bba62514a0 RDI: 0000000000000003 [ 414.074012][ C0] RBP: 000055bba62514a0 R08: 0000000000000001 R09: 0101010101010101 [ 414.081978][ C0] R10: 0000000000000008 R11: 0000000000000246 R12: 00007ffdcd1945dc [ 414.089948][ C0] R13: 000055bba61fcfb4 R14: 0000000000000028 R15: 000055bba61feca0 [ 414.097923][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g10149 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 414.109174][ C0] rcu: RCU grace-period kthread stack dump: [ 414.115218][ C0] rcu_preempt R running task 29272 10 2 0x80004000 [ 414.123115][ C0] Call Trace: [ 414.126449][ C0] __schedule+0x934/0x1f90 [ 414.130851][ C0] ? __sched_text_start+0x8/0x8 [ 414.135686][ C0] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 414.141502][ C0] ? schedule_timeout+0x47c/0xc50 [ 414.146505][ C0] ? lockdep_hardirqs_on+0x421/0x5e0 [ 414.151786][ C0] schedule+0xdc/0x2b0 [ 414.155838][ C0] schedule_timeout+0x486/0xc50 [ 414.160667][ C0] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 414.166455][ C0] ? usleep_range+0x170/0x170 [ 414.171129][ C0] ? trace_hardirqs_on+0x67/0x240 [ 414.176154][ C0] ? __next_timer_interrupt+0x1a0/0x1a0 [ 414.181819][ C0] ? swake_up_one+0x60/0x60 [ 414.186314][ C0] rcu_gp_kthread+0x9b2/0x18d0 [ 414.191076][ C0] ? rcu_barrier+0x350/0x350 [ 414.195650][ C0] ? trace_hardirqs_on+0x67/0x240 [ 414.200661][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 414.206917][ C0] ? __kthread_parkme+0x108/0x1c0 [ 414.211928][ C0] ? __kasan_check_read+0x11/0x20 [ 414.216936][ C0] kthread+0x361/0x430 [ 414.221078][ C0] ? rcu_barrier+0x350/0x350 [ 414.225647][ C0] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 414.231347][ C0] ret_from_fork+0x24/0x30