[ 186.974862] [] create_new_namespaces+0xf5/0x180 [ 186.981198] [] unshare_nsproxy_namespaces+0x55/0xb0 [ 186.987915] [] SyS_unshare+0x19c/0x330 [ 186.993614] [] entry_SYSCALL_64_fastpath+0x16/0x71 [ 187.001775] IPVS: Creating netns size=2096 id=1 [ 187.006647] IPVS: ftp: loaded support on port[0] = 21 [ 187.285292] audit_printk_skb: 24 callbacks suppressed [ 187.290607] audit: type=1400 audit(1564360529.233:34): avc: denied { create } for pid=5758 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_crypto_socket permissive=1 [ 187.314364] audit: type=1400 audit(1564360529.263:35): avc: denied { create } for pid=5758 comm="syz-fuzzer" 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 [ 187.339270] audit: type=1400 audit(1564360529.293:36): avc: denied { create } for pid=5758 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 Warning: Permanently added '10.128.10.34' (ECDSA) to the list of known hosts. 2019/07/29 00:35:37 parsed 1 programs 2019/07/29 00:35:43 executed programs: 0 [ 201.907254] kmemleak: 549 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 201.955025] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 201.961901] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 201.988677] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 202.003595] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 202.010582] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 202.019178] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 202.044044] IPv6: ADDRCONF(NETDEV_CHANGE): nr6: link becomes ready [ 202.064139] IPv6: ADDRCONF(NETDEV_CHANGE): nr7: link becomes ready [ 288.253508] INFO: rcu_preempt self-detected stall on CPU [ 288.259100] 1-...: (1 GPs behind) idle=6bd/140000000000001/0 softirq=29381/29395 fqs=10000 [ 288.263528] INFO: rcu_preempt detected stalls on CPUs/tasks: [ 288.263531] 1-...: (1 GPs behind) idle=6bd/140000000000001/0 softirq=29381/29395 fqs=10000 [ 288.263533] (detected by 0, t=10002 jiffies, g=1083, c=1082, q=7060) [ 288.263534] Task dump for CPU 1: [ 288.263537] kworker/u4:4 R running task 0 2187 2 0x00000008 [ 288.263547] Workqueue: netns cleanup_net [ 288.263551] ffffffff8246a8c0 ffff8800b3c407b8 ffff88012b076f80 ffff88012b3791c0 [ 288.263553] ffff8800ba4dc000 ffff8800ba4dbd58 ffff8800ba4dbd50 ffff88012b3791c0 [ 288.263555] ffff8800ba4dbd70 ffff8800ba4dbc10 ffffffff8246af04 7fffffffffffffff [ 288.263556] Call Trace: [ 288.263563] [] ? __schedule+0x2d0/0x780 [ 288.263565] [] ? schedule+0x44/0x90 [ 288.263567] [] ? schedule_timeout+0x20e/0x280 [ 288.263574] [] ? native_queued_spin_lock_slowpath+0x9/0x1b0 [ 288.263576] [] ? _raw_spin_lock+0x38/0x40 [ 288.263580] [] ? nf_conntrack_lock+0xd/0x50 [ 288.263583] [] ? ctnl_untimeout.isra.4+0xc3/0xf0 [ 288.263585] [] ? cttimeout_net_exit+0x28/0x80 [ 288.263587] [] ? ops_exit_list.isra.4+0x33/0x60 [ 288.263589] [] ? cleanup_net+0x19b/0x260 [ 288.263594] [] ? process_one_work+0x150/0x440 [ 288.263596] [] ? worker_thread+0x49/0x470 [ 288.263598] [] ? process_one_work+0x440/0x440 [ 288.263600] [] ? process_one_work+0x440/0x440 [ 288.263602] [] ? kthread+0xc4/0xe0 [ 288.263604] [] ? _raw_spin_unlock_irq+0x30/0x50 [ 288.263607] [] ? kthread_worker_fn+0x150/0x150 [ 288.263609] [] ? ret_from_fork+0x3f/0x70 [ 288.263611] [] ? kthread_worker_fn+0x150/0x150 [ 288.443869] (t=10020 jiffies g=1083 c=1082 q=7060) [ 288.454527] Task dump for CPU 1: [ 288.457888] kworker/u4:4 R running task 0 2187 2 0x00000008 [ 288.465323] Workqueue: netns cleanup_net [ 288.469496] 0000000000000002 ffff88012c103dc0 ffffffff811831e6 0000000000000001 [ 288.477526] ffffffff8305f240 ffff88012c103dd8 ffffffff81185672 0000000000000002 [ 288.485598] ffff88012c103e08 ffffffff811b1e59 ffff88012c117200 ffffffff8305f240 [ 288.493655] Call Trace: [ 288.496216] [] sched_show_task+0xb6/0x120 [ 288.502748] [] dump_cpu_task+0x32/0x40 [ 288.509761] [] rcu_dump_cpu_stacks+0x89/0xe0 [ 288.515810] [] rcu_check_callbacks+0x502/0x8c0 [ 288.522028] [] ? tick_sched_handle.isra.16+0x40/0x40 [ 288.528769] [] ? tick_sched_handle.isra.16+0x40/0x40 [ 288.535522] [] update_process_times+0x34/0x60 [ 288.541649] [] tick_sched_handle.isra.16+0x31/0x40 [ 288.548207] [] tick_sched_timer+0x38/0x70 [ 288.554005] [] __hrtimer_run_queues+0x93/0x270 [ 288.560221] [] hrtimer_interrupt+0xa7/0x1a0 [ 288.566196] [] local_apic_timer_interrupt+0x31/0x50 [ 288.572846] [] smp_apic_timer_interrupt+0x38/0x50 [ 288.579323] [] apic_timer_interrupt+0x82/0x90 [ 288.585447] [] ? native_queued_spin_lock_slowpath+0x9/0x1b0 [ 288.593534] [] ? _raw_spin_lock+0x38/0x40 [ 288.599312] [] nf_conntrack_lock+0xd/0x50 [ 288.605118] [] ctnl_untimeout.isra.4+0xc3/0xf0 [ 288.611332] [] cttimeout_net_exit+0x28/0x80 [ 288.617294] [] ops_exit_list.isra.4+0x33/0x60 [ 288.623421] [] cleanup_net+0x19b/0x260 [ 288.628943] [] process_one_work+0x150/0x440 [ 288.634917] [] worker_thread+0x49/0x470 [ 288.640525] [] ? process_one_work+0x440/0x440 [ 288.646652] [] ? process_one_work+0x440/0x440 [ 288.652777] [] kthread+0xc4/0xe0 [ 288.657787] [] ? _raw_spin_unlock_irq+0x30/0x50 [ 288.664088] [] ? kthread_worker_fn+0x150/0x150 [ 288.670332] [] ret_from_fork+0x3f/0x70 [ 288.675853] [] ? kthread_worker_fn+0x150/0x150