Warning: Permanently added '10.128.1.52' (ECDSA) to the list of known hosts. 2019/04/11 11:17:49 parsed 1 programs 2019/04/11 11:17:51 executed programs: 0 [ 654.689440] audit: type=1400 audit(1554981473.565:5): avc: denied { associate } for pid=2174 comm="syz-executor.5" name="syz5" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 859.307804] INFO: task syz-executor.3:2166 blocked for more than 140 seconds. [ 859.315129] Not tainted 4.9.168+ #39 [ 859.319673] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 859.327639] syz-executor.3 D25016 2166 1 0x00000004 [ 859.333659] ffff8801cc538000 ffff8801d425dd80 ffff8801db721000 ffff8801d40c8000 [ 859.341998] ffff8801db721018 ffff8801d4a0f9b8 ffffffff8280028e ffff8801cc5388c8 [ 859.350324] ffff8801cc5388a0 00ff8801cc5388d0 ffff8801db7218f0 1ffff1003a941f26 [ 859.358636] Call Trace: [ 859.361223] [<000000007034ae1f>] ? __schedule+0x6ce/0x1f10 [ 859.366927] [<00000000400e4e3f>] ? io_schedule_timeout+0x390/0x390 [ 859.373714] [<0000000072cdcaaf>] ? mark_held_locks+0xb1/0x100 [ 859.379966] [<00000000ac3078e1>] schedule+0x92/0x1c0 [ 859.385158] [<000000004b3f9b38>] schedule_preempt_disabled+0x13/0x20 [ 859.392051] [<0000000021dd537a>] mutex_lock_nested+0x38d/0x920 [ 859.398405] [<00000000e039a886>] ? rtnetlink_rcv+0x1c/0x40 [ 859.404120] [<00000000bf33675e>] ? mutex_trylock+0x3f0/0x3f0 [ 859.410310] [<00000000336fb3fa>] ? netlink_deliver_tap+0xbc/0x940 [ 859.416657] [<0000000036c7d26f>] ? netlink_seq_start+0x130/0x130 [ 859.423199] [<00000000e039a886>] rtnetlink_rcv+0x1c/0x40 [ 859.429522] [<00000000313b5024>] netlink_unicast+0x4c6/0x6d0 [ 859.435407] [<0000000010158518>] ? netlink_sendskb+0x60/0x60 [ 859.441662] [<000000001984b03c>] netlink_sendmsg+0x6b6/0xc80 [ 859.447542] [<000000008cf72f46>] ? nlmsg_notify+0x170/0x170 [ 859.453630] [<00000000a28a0faa>] ? selinux_socket_sendmsg+0x3f/0x50 [ 859.460357] [<00000000c8c2d356>] ? security_socket_sendmsg+0x8f/0xc0 [ 859.466936] [<000000008cf72f46>] ? nlmsg_notify+0x170/0x170 [ 859.473012] [<000000008e890726>] sock_sendmsg+0xbe/0x110 [ 859.478763] [<0000000069d44983>] SyS_sendto+0x201/0x340 [ 859.484218] [<00000000e0f52c4f>] ? SyS_getpeername+0x2a0/0x2a0 [ 859.490558] [<00000000bc149889>] ? mntput_no_expire+0xfc/0x860 [ 859.496615] [<0000000044c0b1a4>] ? mnt_get_count+0x150/0x150 [ 859.502804] [<000000001c27261b>] ? task_work_run+0x149/0x180 [ 859.508978] [<0000000085c2cf58>] ? do_syscall_64+0x4a/0x570 [ 859.514781] [<00000000e0f52c4f>] ? SyS_getpeername+0x2a0/0x2a0 [ 859.521122] [<000000000e4bfb70>] do_syscall_64+0x1ad/0x570 [ 859.526840] [<000000001dd370a3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 859.534075] [ 859.534075] Showing all locks held in the system: [ 859.540657] 2 locks held by khungtaskd/24: [ 859.544879] #0: (rcu_read_lock){......}, at: [<000000006b1552fa>] watchdog+0x13c/0xae0 [ 859.553659] #1: (tasklist_lock){.+.+..}, at: [<000000006fc3c96a>] debug_show_all_locks+0x7f/0x21f [ 859.563412] 2 locks held by getty/2016: [ 859.567370] #0: (&tty->ldisc_sem){++++++}, at: [<000000005423bdb8>] ldsem_down_read+0x33/0x40 [ 859.576740] #1: (&ldata->atomic_read_lock){+.+...}, at: [<0000000012ec4b74>] n_tty_read+0x1fe/0x1820 [ 859.586845] 1 lock held by syz-executor.3/2166: [ 859.591515] #0: (rtnl_mutex){+.+.+.}, at: [<00000000e039a886>] rtnetlink_rcv+0x1c/0x40 [ 859.600285] 1 lock held by syz-executor.0/2169: [ 859.604942] #0: (rtnl_mutex){+.+.+.}, at: [<00000000e039a886>] rtnetlink_rcv+0x1c/0x40 [ 859.613742] 1 lock held by syz-executor.4/2175: [ 859.618421] #0: (rtnl_mutex){+.+.+.}, at: [<00000000e039a886>] rtnetlink_rcv+0x1c/0x40 [ 859.627196] 3 locks held by kworker/1:2/2505: [ 859.631696] #0: ("%s"("ipv6_addrconf")){.+.+..}, at: [<00000000025a9415>] process_one_work+0x790/0x1600 [ 859.641947] #1: ((addr_chk_work).work){+.+...}, at: [<00000000873bbd45>] process_one_work+0x7ce/0x1600 [ 859.652096] #2: (rtnl_mutex){+.+.+.}, at: [<00000000d38904f1>] rtnl_lock+0x17/0x20 [ 859.660516] 1 lock held by syz-executor.1/3063: [ 859.665169] #0: (rtnl_mutex){+.+.+.}, at: [<00000000e039a886>] rtnetlink_rcv+0x1c/0x40 [ 859.673940] 1 lock held by syz-executor.5/3052: [ 859.678611] #0: (rtnl_mutex){+.+.+.}, at: [<00000000e039a886>] rtnetlink_rcv+0x1c/0x40 [ 859.687363] 1 lock held by syz-executor.5/3060: [ 859.692045] #0: (rtnl_mutex){+.+.+.}, at: [<00000000e039a886>] rtnetlink_rcv+0x1c/0x40 [ 859.700829] 1 lock held by syz-executor.5/3065: [ 859.705483] #0: (rtnl_mutex){+.+.+.}, at: [<00000000e039a886>] rtnetlink_rcv+0x1c/0x40 [ 859.714363] 1 lock held by syz-executor.2/3059: [ 859.719048] #0: (rtnl_mutex){+.+.+.}, at: [<00000000e039a886>] rtnetlink_rcv+0x1c/0x40 [ 859.727825] 1 lock held by syz-executor.2/3061: [ 859.732486] #0: (rtnl_mutex){+.+.+.}, at: [<00000000e039a886>] rtnetlink_rcv+0x1c/0x40 [ 859.741261] 1 lock held by syz-executor.2/3067: [ 859.745917] #0: (rtnl_mutex){+.+.+.}, at: [<00000000e039a886>] rtnetlink_rcv+0x1c/0x40 [ 859.754699] [ 859.756312] ============================================= [ 859.756312] [ 859.764912] NMI backtrace for cpu 0 [ 859.768572] CPU: 0 PID: 24 Comm: khungtaskd Not tainted 4.9.168+ #39 [ 859.775057] ffff8801d98d7cc8 ffffffff81b4f5d1 0000000000000000 0000000000000000 [ 859.783097] 0000000000000000 ffffffff81097401 dffffc0000000000 ffff8801d98d7d00 [ 859.791146] ffffffff81b5a86c 0000000000000000 0000000000000000 0000000000000000 [ 859.799201] Call Trace: [ 859.801786] [<0000000014e53332>] dump_stack+0xc1/0x120 [ 859.807145] [<00000000a6b8bab9>] ? irq_force_complete_move+0x281/0x300 [ 859.813894] [<00000000d65eb0a7>] nmi_cpu_backtrace.cold+0x47/0x87 [ 859.820211] [<00000000bf609312>] ? irq_force_complete_move+0x300/0x300 [ 859.826956] [<00000000eb216681>] nmi_trigger_cpumask_backtrace+0x124/0x155 [ 859.834053] [<00000000776cb4f5>] arch_trigger_cpumask_backtrace+0x14/0x20 [ 859.841061] [<0000000038b640ca>] watchdog+0x661/0xae0 [ 859.846330] [<000000006b1552fa>] ? watchdog+0x13c/0xae0 [ 859.851777] [<0000000008b10f2e>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 859.858698] [<0000000029565147>] ? reset_hung_task_detector+0x20/0x20 [ 859.865356] [<00000000e4c5a241>] kthread+0x278/0x310 [ 859.870537] [<00000000333ff605>] ? kthread_park+0xa0/0xa0 [ 859.876155] [<000000006c157579>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 859.882907] [<0000000091a922dc>] ? _raw_spin_unlock_irq+0x39/0x60 [ 859.889245] [<00000000e05f60ae>] ? finish_task_switch+0x1e5/0x660 [ 859.895564] [<00000000d5ff6f5d>] ? finish_task_switch+0x1b7/0x660 [ 859.901875] [<00000000eb4bc9b0>] ? __switch_to_asm+0x34/0x70 [ 859.907762] [<0000000075344cdc>] ? __switch_to_asm+0x40/0x70 [ 859.913644] [<00000000eb4bc9b0>] ? __switch_to_asm+0x34/0x70 [ 859.919521] [<00000000333ff605>] ? kthread_park+0xa0/0xa0 [ 859.925136] [<00000000333ff605>] ? kthread_park+0xa0/0xa0 [ 859.930768] [<00000000a3490d9c>] ret_from_fork+0x5c/0x70 [ 859.936393] Sending NMI from CPU 0 to CPUs 1: [ 859.941486] NMI backtrace for cpu 1 [ 859.945113] CPU: 1 PID: 3047 Comm: syz-executor.1 Not tainted 4.9.168+ #39 [ 859.952118] task: 00000000e652a0d7 task.stack: 00000000526ba1fc [ 859.958157] RIP: 0010:[] c [<000000001cea5778>] kasan_slab_free+0xc3/0x190 [ 859.966795] RSP: 0018:ffff8801d5f572e8 EFLAGS: 00000297 [ 859.972231] RAX: 0000000000000015 RBX: ffff8801d0c0f360 RCX: 0000000000000011 [ 859.979480] RDX: ffffffff822b21d8 RSI: ffff8801d5f57300 RDI: 0000000000000000 [ 859.986727] RBP: ffff8801d5f57518 R08: 1ffff1003abeae4c R09: ffff8801d5f57260 [ 859.993983] R10: ffffed003abeae53 R11: ffff8801d5f5729f R12: ffff8801da577500 [ 860.001233] R13: ffff8801d0c0f280 R14: ffff8801da577500 R15: 0000000000000246 [ 860.008481] FS: 00007f8dadc15700(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 [ 860.016683] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 860.022545] CR2: 0000000001962308 CR3: 00000001d4292000 CR4: 00000000001606b0 [ 860.029803] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 860.037050] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 860.044300] Stack: [ 860.046429] 0000004000000015c ffff8801d5f57300c ffffffff00000000c ffffffff810774d6c [ 860.054641] ffffffff814f8540c ffffffff814f4e3ec ffffffff822c537fc ffffffff822c7f4ec [ 860.062849] ffffffff823d6cbec ffffffff823d7424c ffffffff823613abc ffffffff823bac3bc [ 860.071063] Call Trace: [ 860.073632] [<00000000031a559f>] ? save_stack_trace+0x16/0x20 [ 860.079581] [<000000000585ad7d>] ? kasan_slab_free+0xb0/0x190 [ 860.085526] [<000000006d5d9121>] ? kmem_cache_free+0xbe/0x310 [ 860.091471] [<000000009c08eb20>] ? kfree_skbmem+0x9f/0x100 [ 860.097159] [<00000000b97e210d>] ? consume_skb+0xce/0x340 [ 860.102770] [<00000000bde9c0d7>] ? netlink_broadcast_filtered+0x2ae/0x9d0 [ 860.109762] [<0000000063e06a0e>] ? netlink_broadcast+0x44/0x60 [ 860.115796] [<00000000c0ec7743>] ? rtnetlink_send+0x9b/0x100 [ 860.121658] [<0000000007b53fb0>] ? tc_ctl_action+0x46b/0x580 [ 860.127516] [<0000000008722ed7>] ? rtnetlink_rcv_msg+0x506/0x6e0 [ 860.133723] [<0000000023a42247>] ? netlink_rcv_skb+0xd4/0x2e0 [ 860.139676] [<00000000a525f8e1>] ? rtnetlink_rcv+0x2b/0x40 [ 860.145364] [<00000000313b5024>] ? netlink_unicast+0x4c6/0x6d0 [ 860.151397] [<000000001984b03c>] ? netlink_sendmsg+0x6b6/0xc80 [ 860.157432] [<000000008e890726>] ? sock_sendmsg+0xbe/0x110 [ 860.163120] [<00000000b4df4c4a>] ? ___sys_sendmsg+0x78b/0x8b0 [ 860.169069] [<000000001866c8cf>] ? __sys_sendmsg+0xc8/0x170 [ 860.174854] [<00000000fb6824bd>] ? SyS_sendmsg+0x2d/0x50 [ 860.180382] [<000000000e4bfb70>] ? do_syscall_64+0x1ad/0x570 [ 860.186244] [<000000001dd370a3>] ? entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 860.193318] [<00000000ada7e296>] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 860.200219] [<0000000008b10f2e>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 860.207049] [<000000004c1a6dd8>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 860.213950] [<00000000e42133f9>] ? debug_check_no_obj_freed+0x2b9/0x6d0 [ 860.220777] [<0000000072cdcaaf>] ? mark_held_locks+0xb1/0x100 [ 860.226731] [<0000000019fe9819>] ? kfree+0xdc/0x310 [ 860.231821] [<00000000197aa6eb>] ? debug_object_activate+0x4f0/0x4f0 [ 860.238375] [<0000000072cdcaaf>] ? mark_held_locks+0xb1/0x100 [ 860.244322] [<0000000041febd94>] ? kmem_cache_free+0x9e/0x310 [ 860.250277] [<000000009c08eb20>] ? kfree_skbmem+0x9f/0x100 [ 860.255965] [<000000009c08eb20>] ? kfree_skbmem+0x9f/0x100 [ 860.261649] [<000000006d5d9121>] kmem_cache_free+0xbe/0x310 [ 860.267422] [<000000009c08eb20>] kfree_skbmem+0x9f/0x100 [ 860.273106] [<00000000b97e210d>] consume_skb+0xce/0x340 [ 860.278530] [<00000000bde9c0d7>] netlink_broadcast_filtered+0x2ae/0x9d0 [ 860.285345] [<0000000063e06a0e>] netlink_broadcast+0x44/0x60 [ 860.291203] [<00000000c0ec7743>] rtnetlink_send+0x9b/0x100 [ 860.296886] [<0000000007b53fb0>] tc_ctl_action+0x46b/0x580 [ 860.302571] [<00000000d0c42890>] ? tca_action_gd+0x870/0x870 [ 860.308430] [<0000000061797bd2>] ? security_capable+0x94/0xc0 [ 860.314383] [<000000003c1654d8>] ? ns_capable+0x23/0x30 [ 860.319807] [<00000000b345abea>] ? __netlink_ns_capable+0xe2/0x130 [ 860.326201] [<00000000d0c42890>] ? tca_action_gd+0x870/0x870 [ 860.332059] [<0000000008722ed7>] rtnetlink_rcv_msg+0x506/0x6e0 [ 860.338089] [<0000000025f683ce>] ? rtnl_newlink+0x1530/0x1530 [ 860.345299] [<00000000cbe1e054>] ? mutex_lock_nested+0x5de/0x920 [ 860.351507] [<00000000e039a886>] ? rtnetlink_rcv+0x1c/0x40 [ 860.357203] [<000000004a951914>] ? check_preemption_disabled+0x3c/0x200 [ 860.364014] [<0000000023a42247>] netlink_rcv_skb+0xd4/0x2e0 [ 860.369797] [<0000000025f683ce>] ? rtnl_newlink+0x1530/0x1530 [ 860.375741] [<00000000a525f8e1>] rtnetlink_rcv+0x2b/0x40 [ 860.381255] [<00000000313b5024>] netlink_unicast+0x4c6/0x6d0 [ 860.387115] [<0000000010158518>] ? netlink_sendskb+0x60/0x60 [ 860.392975] [<000000001984b03c>] netlink_sendmsg+0x6b6/0xc80 [ 860.398841] [<000000008cf72f46>] ? nlmsg_notify+0x170/0x170 [ 860.404628] [<00000000a28a0faa>] ? selinux_socket_sendmsg+0x3f/0x50 [ 860.411107] [<00000000c8c2d356>] ? security_socket_sendmsg+0x8f/0xc0 [ 860.417664] [<000000008cf72f46>] ? nlmsg_notify+0x170/0x170 [ 860.423436] [<000000008e890726>] sock_sendmsg+0xbe/0x110 [ 860.428946] [<00000000b4df4c4a>] ___sys_sendmsg+0x78b/0x8b0 [ 860.434721] [<0000000071d9c0c0>] ? copy_msghdr_from_user+0x550/0x550 [ 860.441274] [<000000003b94f14b>] ? do_futex+0x161/0x1a70 [ 860.446879] [<000000006c157579>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 860.453605] [<000000004a951914>] ? check_preemption_disabled+0x3c/0x200 [ 860.460423] [<000000004a951914>] ? check_preemption_disabled+0x3c/0x200 [ 860.467237] [<000000004a951914>] ? check_preemption_disabled+0x3c/0x200 [ 860.474053] [<00000000cb0bb382>] ? __fget+0x208/0x370 [ 860.479304] [<00000000bc735d95>] ? __fget+0x22f/0x370 [ 860.484565] [<0000000004058d18>] ? __fget+0x47/0x370 [ 860.489769] [<000000005a17291a>] ? __fget_light+0x172/0x1f0 [ 860.495560] [<0000000044474e85>] ? __fdget+0x1b/0x20 [ 860.502112] [<000000006284b4bb>] ? sockfd_lookup_light+0xb4/0x160 [ 860.509944] [<000000001866c8cf>] __sys_sendmsg+0xc8/0x170 [ 860.515542] [<0000000081e60b3c>] ? SyS_shutdown+0x1a0/0x1a0 [ 860.521314] [<00000000f46daf66>] ? SyS_clock_gettime+0x118/0x1f0 [ 860.527532] [<000000002c9e76fd>] ? SyS_clock_settime+0x230/0x230 [ 860.533750] [<00000000fb6824bd>] SyS_sendmsg+0x2d/0x50 [ 860.539088] [<000000003dcc3af5>] ? __sys_sendmsg+0x170/0x170 [ 860.544946] [<000000000e4bfb70>] do_syscall_64+0x1ad/0x570 [ 860.550630] [<000000001dd370a3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 860.557548] Code: c85 cd0 cfd cff cff c48 c8d c85 ce8 cfd cff cff c48 c89 c85 cd8 cfd cff cff ce8 c80 cef cb7 cff c8b c85 cd0 cfd cff cff c85 cc0 c74 c39 c48 c8b cb5 cd8 cfd cff cff c31 cc9 c<48> c63 cd1 c48 c8b c14 cd6 c48 c81 cfa c10 c1e c81 c82 c72 c5a c48 c81 cfa cce c58 c [ 860.591585] Kernel panic - not syncing: hung_task: blocked tasks [ 860.597792] CPU: 0 PID: 24 Comm: khungtaskd Not tainted 4.9.168+ #39 [ 860.604285] ffff8801d98d7c60 ffffffff81b4f5d1 ffff8801cc538000 ffffffff82a79d00 [ 860.612340] 00000000ffffffff 0000000000000000 dffffc0000000000 ffff8801d98d7d40 [ 860.620394] ffffffff813f945a 0000000041b58ab3 ffffffff82e2ec5a ffffffff813f9281 [ 860.628435] Call Trace: [ 860.631018] [<0000000014e53332>] dump_stack+0xc1/0x120 [ 860.636373] [<00000000c1e2887d>] panic+0x1d9/0x3bd [ 860.641378] [<000000000452c767>] ? add_taint.cold+0x16/0x16 [ 860.647175] [<00000000bf609312>] ? irq_force_complete_move+0x300/0x300 [ 860.653922] [<00000000aaf65929>] ? ___preempt_schedule+0x16/0x18 [ 860.660150] [<000000002874e58a>] ? nmi_trigger_cpumask_backtrace+0x135/0x155 [ 860.667418] [<00000000f1e655dd>] ? nmi_trigger_cpumask_backtrace+0x13f/0x155 [ 860.674691] [<00000000f2e942a1>] watchdog+0x672/0xae0 [ 860.679970] [<000000006b1552fa>] ? watchdog+0x13c/0xae0 [ 860.685421] [<0000000008b10f2e>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 860.692259] [<0000000029565147>] ? reset_hung_task_detector+0x20/0x20 [ 860.698922] [<00000000e4c5a241>] kthread+0x278/0x310 [ 860.704115] [<00000000333ff605>] ? kthread_park+0xa0/0xa0 [ 860.709741] [<000000006c157579>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 860.716495] [<0000000091a922dc>] ? _raw_spin_unlock_irq+0x39/0x60 [ 860.722813] [<00000000e05f60ae>] ? finish_task_switch+0x1e5/0x660 [ 860.729132] [<00000000d5ff6f5d>] ? finish_task_switch+0x1b7/0x660 [ 860.735446] [<00000000eb4bc9b0>] ? __switch_to_asm+0x34/0x70 [ 860.741326] [<0000000075344cdc>] ? __switch_to_asm+0x40/0x70 [ 860.747201] [<00000000eb4bc9b0>] ? __switch_to_asm+0x34/0x70 [ 860.753079] [<00000000333ff605>] ? kthread_park+0xa0/0xa0 [ 860.758711] [<00000000333ff605>] ? kthread_park+0xa0/0xa0 [ 860.764417] [<00000000a3490d9c>] ret_from_fork+0x5c/0x70 [ 860.770462] Kernel Offset: disabled [ 860.774136] Rebooting in 86400 seconds..