Warning: Permanently added '[localhost]:30140' (ECDSA) to the list of known hosts. 2019/03/24 15:26:52 parsed 1 programs 2019/03/24 15:26:52 executed programs: 0 [ 112.583133] IPVS: ftp: loaded support on port[0] = 21 [ 112.597629] IPVS: ftp: loaded support on port[0] = 21 [ 112.614910] IPVS: ftp: loaded support on port[0] = 21 [ 112.632750] IPVS: ftp: loaded support on port[0] = 21 [ 112.650539] IPVS: ftp: loaded support on port[0] = 21 [ 112.668554] IPVS: ftp: loaded support on port[0] = 21 [ 112.981018] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.982599] bridge0: port 1(bridge_slave_0) entered disabled state [ 112.985411] device bridge_slave_0 entered promiscuous mode [ 113.017787] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.021637] bridge0: port 2(bridge_slave_1) entered disabled state [ 113.022730] device bridge_slave_1 entered promiscuous mode [ 113.024174] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.024863] bridge0: port 1(bridge_slave_0) entered disabled state [ 113.025858] device bridge_slave_0 entered promiscuous mode [ 113.031258] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.031952] bridge0: port 1(bridge_slave_0) entered disabled state [ 113.033779] device bridge_slave_0 entered promiscuous mode [ 113.038560] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.039299] bridge0: port 1(bridge_slave_0) entered disabled state [ 113.040736] device bridge_slave_0 entered promiscuous mode [ 113.043426] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 113.050495] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.053074] bridge0: port 2(bridge_slave_1) entered disabled state [ 113.054123] device bridge_slave_1 entered promiscuous mode [ 113.057828] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 113.059482] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.060606] bridge0: port 1(bridge_slave_0) entered disabled state [ 113.061606] device bridge_slave_0 entered promiscuous mode [ 113.063597] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.064328] bridge0: port 1(bridge_slave_0) entered disabled state [ 113.065692] device bridge_slave_0 entered promiscuous mode [ 113.067284] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.068040] bridge0: port 2(bridge_slave_1) entered disabled state [ 113.069061] device bridge_slave_1 entered promiscuous mode [ 113.073056] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.073788] bridge0: port 2(bridge_slave_1) entered disabled state [ 113.074854] device bridge_slave_1 entered promiscuous mode [ 113.077091] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 113.080999] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.081763] bridge0: port 2(bridge_slave_1) entered disabled state [ 113.082773] device bridge_slave_1 entered promiscuous mode [ 113.087671] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.088433] bridge0: port 2(bridge_slave_1) entered disabled state [ 113.089414] device bridge_slave_1 entered promiscuous mode [ 113.095699] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 113.098098] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 113.099119] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 113.102525] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 113.113133] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 113.115740] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 113.117930] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 113.123288] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 113.143743] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 113.145173] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 113.172120] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 113.175151] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 113.178071] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 113.181358] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 113.185895] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 113.191992] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 113.195079] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 113.200443] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 113.211933] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 113.226401] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 113.259656] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 113.294004] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 113.295142] team0: Port device team_slave_0 added [ 113.298953] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 113.299961] team0: Port device team_slave_0 added [ 113.303927] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 113.304926] team0: Port device team_slave_0 added [ 113.315660] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 113.316641] team0: Port device team_slave_1 added [ 113.318918] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 113.319855] team0: Port device team_slave_0 added [ 113.325745] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 113.326703] team0: Port device team_slave_1 added [ 113.327919] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 113.328853] team0: Port device team_slave_1 added [ 113.343019] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 113.345021] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 113.346009] team0: Port device team_slave_1 added [ 113.349066] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 113.352681] team0: Port device team_slave_0 added [ 113.356524] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 113.357607] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 113.358696] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 113.360982] team0: Port device team_slave_0 added [ 113.363115] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 113.368769] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 113.372242] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 113.374215] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 113.377669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 113.378704] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 113.380994] team0: Port device team_slave_1 added [ 113.383302] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 113.384321] team0: Port device team_slave_1 added [ 113.389974] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 113.392256] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 113.396888] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 113.401898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 113.404498] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 113.408034] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 113.411106] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 113.415414] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 113.424686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 113.427735] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 113.433845] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 113.443528] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 113.456775] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 113.457728] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 113.460573] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 113.477533] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 113.629718] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.630566] bridge0: port 2(bridge_slave_1) entered forwarding state [ 113.631499] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.632179] bridge0: port 1(bridge_slave_0) entered forwarding state [ 113.637354] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.638098] bridge0: port 2(bridge_slave_1) entered forwarding state [ 113.638893] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.639603] bridge0: port 1(bridge_slave_0) entered forwarding state [ 113.661630] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.662375] bridge0: port 2(bridge_slave_1) entered forwarding state [ 113.663172] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.663875] bridge0: port 1(bridge_slave_0) entered forwarding state [ 113.685943] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.686669] bridge0: port 2(bridge_slave_1) entered forwarding state [ 113.687419] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.688101] bridge0: port 1(bridge_slave_0) entered forwarding state [ 113.694104] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.694889] bridge0: port 2(bridge_slave_1) entered forwarding state [ 113.695658] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.696367] bridge0: port 1(bridge_slave_0) entered forwarding state [ 113.701417] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.702138] bridge0: port 2(bridge_slave_1) entered forwarding state [ 113.702934] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.703634] bridge0: port 1(bridge_slave_0) entered forwarding state [ 114.414401] 8021q: adding VLAN 0 to HW filter on device bond0 [ 114.471693] 8021q: adding VLAN 0 to HW filter on device bond0 [ 114.488237] 8021q: adding VLAN 0 to HW filter on device bond0 [ 114.491700] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 114.517373] 8021q: adding VLAN 0 to HW filter on device bond0 [ 114.522465] 8021q: adding VLAN 0 to HW filter on device bond0 [ 114.548658] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 114.566338] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 114.567869] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 114.569837] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 114.570970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 114.593375] 8021q: adding VLAN 0 to HW filter on device bond0 [ 114.600733] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 114.606110] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 114.636535] 8021q: adding VLAN 0 to HW filter on device team0 [ 114.640168] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 114.641102] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 114.642041] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 114.647845] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 114.648536] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 114.649442] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 114.674629] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 114.683250] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 114.684265] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 114.685154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 114.706091] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 114.707829] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 114.708781] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 114.718503] 8021q: adding VLAN 0 to HW filter on device team0 [ 114.726647] 8021q: adding VLAN 0 to HW filter on device team0 [ 114.762119] 8021q: adding VLAN 0 to HW filter on device team0 [ 114.765173] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 114.767437] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 114.768342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 114.794981] 8021q: adding VLAN 0 to HW filter on device team0 [ 114.854040] 8021q: adding VLAN 0 to HW filter on device team0 [ 284.640119] INFO: task syz-executor3:7105 blocked for more than 140 seconds. [ 284.641057] Not tainted 4.16.0-rc4+ #1 [ 284.641557] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.647524] syz-executor3 D22488 7105 5553 0x00000004 [ 284.648198] Call Trace: [ 284.648513] __schedule+0x85b/0x2000 [ 284.648941] ? pci_mmcfg_check_reserved+0x120/0x120 [ 284.649517] ? mutex_spin_on_owner+0x2e7/0xab0 [ 284.650336] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 284.650920] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 284.651447] ? debug_smp_processor_id+0x17/0x20 [ 284.651987] ? rcu_is_watching+0x69/0x180 [ 284.652461] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 284.652975] ? find_held_lock+0x36/0x1c0 [ 284.653447] schedule+0xfe/0x460 [ 284.653841] ? __mutex_lock+0xdc6/0x1a00 [ 284.654304] ? __schedule+0x2000/0x2000 [ 284.654759] ? lock_release+0x9b0/0x9b0 [ 284.655215] ? do_raw_spin_unlock+0x1f8/0x2e0 [ 284.655747] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 284.656273] ? debug_mutex_free_waiter+0x1c0/0x1c0 [ 284.656837] ? mutex_destroy+0x1f0/0x1f0 [ 284.657299] schedule_preempt_disabled+0x13/0x20 [ 284.657847] __mutex_lock+0xdcb/0x1a00 [ 284.658295] ? dec_ucount+0x280/0x280 [ 284.658727] ? ctrl_getfamily+0x2c0/0x400 [ 284.659202] ? mutex_trylock+0x2c0/0x2c0 [ 284.659666] ? __wake_up+0xe/0x10 [ 284.660333] ? ctrl_getfamily+0x2a6/0x400 [ 284.660816] ? free_modprobe_argv+0xa0/0xa0 [ 284.661305] ? ctrl_getfamily+0x27c/0x400 [ 284.661781] ? lock_downgrade+0x900/0x900 [ 284.662250] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 284.662825] ? genl_rcv_msg+0x10e/0x140 [ 284.663281] ? lock_acquire+0x1ed/0x560 [ 284.663726] ? ctrl_getfamily+0x2b2/0x400 [ 284.664205] ? lock_release+0x9b0/0x9b0 [ 284.664663] ? check_same_owner+0x330/0x330 [ 284.665148] ? ctrl_getfamily+0x288/0x400 [ 284.665616] ? lock_downgrade+0x900/0x900 [ 284.666093] ? down_read+0x99/0x160 [ 284.666502] ? ctrl_getfamily+0x2b2/0x400 [ 284.666975] ? __down_interruptible+0x700/0x700 [ 284.667507] mutex_lock_nested+0x16/0x20 [ 284.667975] ? mutex_lock_nested+0x16/0x20 [ 284.668452] ctrl_getfamily+0x2c0/0x400 [ 284.668896] genl_family_rcv_msg+0x6d4/0x1480 [ 284.669401] ? genl_rcv+0x40/0x40 [ 284.669793] ? netlink_deliver_tap+0x26e/0x10a0 [ 284.670520] ? lock_downgrade+0x900/0x900 [ 284.670991] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 284.671497] ? debug_smp_processor_id+0x17/0x20 [ 284.672011] ? rcu_is_watching+0x69/0x180 [ 284.672478] ? __lock_is_held+0xb5/0x140 [ 284.672939] genl_rcv_msg+0xa7/0x140 [ 284.673355] netlink_rcv_skb+0x145/0x380 [ 284.673807] ? genl_family_rcv_msg+0x1480/0x1480 [ 284.674338] ? netlink_ack+0x9d0/0x9d0 [ 284.674782] ? genl_rcv+0x14/0x40 [ 284.675185] ? netlink_skb_destructor+0x1a0/0x1a0 [ 284.675737] genl_rcv+0x23/0x40 [ 284.676107] netlink_unicast+0x463/0x680 [ 284.676567] ? netlink_attachskb+0xa70/0xa70 [ 284.677053] ? netlink_autobind.isra.34+0xa8/0x230 [ 284.677610] ? netlink_autobind.isra.34+0x16e/0x230 [ 284.678178] netlink_sendmsg+0x8eb/0xeb0 [ 284.678651] ? netlink_unicast+0x680/0x680 [ 284.679133] ? SYSC_sendto+0x6c0/0x6c0 [ 284.679576] ? netlink_unicast+0x680/0x680 [ 284.680222] sock_sendmsg+0xb7/0xf0 [ 284.680637] ___sys_sendmsg+0x68f/0x9c0 [ 284.681088] ? expand_files.part.8+0x870/0x870 [ 284.681609] ? copy_msghdr_from_user+0x5d0/0x5d0 [ 284.682149] ? __fd_install+0x249/0x740 [ 284.682596] ? lock_downgrade+0x900/0x900 [ 284.683072] ? __fget_light+0x2cc/0x420 [ 284.683519] ? fget_raw+0x10/0x10 [ 284.683911] ? __fd_install+0x26b/0x740 [ 284.684365] ? get_unused_fd_flags+0x1a0/0x1a0 [ 284.684883] ? __fdget+0xe/0x10 [ 284.685261] __sys_sendmsg+0xde/0x240 [ 284.685688] ? SyS_shutdown+0x270/0x270 [ 284.686144] ? fd_install+0x47/0x60 [ 284.686556] ? sock_map_fd+0x3f/0x70 [ 284.686987] ? do_syscall_64+0xb8/0x980 [ 284.687439] SyS_sendmsg+0xd/0x20 [ 284.687831] do_syscall_64+0x276/0x980 [ 284.688270] ? syscall_slow_exit_work+0x420/0x420 [ 284.688812] ? syscall_return_slowpath+0x4e0/0x4e0 [ 284.689371] ? syscall_return_slowpath+0x215/0x4e0 [ 284.689933] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 284.690772] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.691332] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 284.691922] RIP: 0033:0x4108c0 [ 284.692273] RSP: 002b:00007ff45e6c29c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 284.693142] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00000000004108c0 [ 284.693959] RDX: 0000000000000000 RSI: 00007ff45e6c2a20 RDI: 0000000000000006 [ 284.694788] RBP: 00007ff45e6c2a20 R08: 0000000000000000 R09: 0000000000000001 [ 284.695617] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 284.696430] R13: 00000000004b3780 R14: 00000000006ec9f0 R15: 00000000ffffffff [ 284.697256] [ 284.697256] Showing all locks held in the system: [ 284.697974] 2 locks held by khungtaskd/995: [ 284.698505] #0: (rcu_read_lock){....}, at: [<0000000045151767>] watchdog+0x1a5/0xba0 [ 284.699433] #1: (tasklist_lock){.+.+}, at: [<00000000c465aed1>] debug_show_all_locks+0xe6/0x366 [ 284.700505] 2 locks held by getty/5417: [ 284.700952] #0: (&tty->ldisc_sem){++++}, at: [<00000000ad6bfb65>] ldsem_down_read+0x2d/0x40 [ 284.701941] #1: (&ldata->atomic_read_lock){+.+.}, at: [<00000000466fe64e>] n_tty_read+0x2fd/0x1b20 [ 284.702994] 2 locks held by getty/5418: [ 284.703677] #0: (&tty->ldisc_sem){++++}, at: [<00000000ad6bfb65>] ldsem_down_read+0x2d/0x40 [ 284.704688] #1: (&ldata->atomic_read_lock){+.+.}, at: [<00000000466fe64e>] n_tty_read+0x2fd/0x1b20 [ 284.705740] 2 locks held by getty/5419: [ 284.706195] #0: (&tty->ldisc_sem){++++}, at: [<00000000ad6bfb65>] ldsem_down_read+0x2d/0x40 [ 284.707185] #1: (&ldata->atomic_read_lock){+.+.}, at: [<00000000466fe64e>] n_tty_read+0x2fd/0x1b20 [ 284.708253] 2 locks held by getty/5420: [ 284.708710] #0: (&tty->ldisc_sem){++++}, at: [<00000000ad6bfb65>] ldsem_down_read+0x2d/0x40 [ 284.709691] #1: (&ldata->atomic_read_lock){+.+.}, at: [<00000000466fe64e>] n_tty_read+0x2fd/0x1b20 [ 284.710759] 2 locks held by getty/5421: [ 284.711212] #0: (&tty->ldisc_sem){++++}, at: [<00000000ad6bfb65>] ldsem_down_read+0x2d/0x40 [ 284.712200] #1: (&ldata->atomic_read_lock){+.+.}, at: [<00000000466fe64e>] n_tty_read+0x2fd/0x1b20 [ 284.713251] 2 locks held by getty/5422: [ 284.713698] #0: (&tty->ldisc_sem){++++}, at: [<00000000ad6bfb65>] ldsem_down_read+0x2d/0x40 [ 284.714676] #1: (&ldata->atomic_read_lock){+.+.}, at: [<00000000466fe64e>] n_tty_read+0x2fd/0x1b20 [ 284.715740] 2 locks held by getty/5423: [ 284.716176] #0: (&tty->ldisc_sem){++++}, at: [<00000000ad6bfb65>] ldsem_down_read+0x2d/0x40 [ 284.717157] #1: (&ldata->atomic_read_lock){+.+.}, at: [<00000000466fe64e>] n_tty_read+0x2fd/0x1b20 [ 284.718210] 2 locks held by syz-executor3/7105: [ 284.718732] #0: (cb_lock){++++}, at: [<000000007c057a44>] ctrl_getfamily+0x2b2/0x400 [ 284.719650] #1: (genl_mutex){+.+.}, at: [<00000000aa2cc4d2>] ctrl_getfamily+0x2c0/0x400 [ 284.720604] 2 locks held by syz-executor2/7107: [ 284.721124] #0: (cb_lock){++++}, at: [<000000007c057a44>] ctrl_getfamily+0x2b2/0x400 [ 284.722039] #1: (genl_mutex){+.+.}, at: [<00000000aa2cc4d2>] ctrl_getfamily+0x2c0/0x400 [ 284.722978] 2 locks held by syz-executor5/7116: [ 284.723506] #0: (cb_lock){++++}, at: [<000000007c057a44>] ctrl_getfamily+0x2b2/0x400 [ 284.724403] #1: (genl_mutex){+.+.}, at: [<00000000aa2cc4d2>] ctrl_getfamily+0x2c0/0x400 [ 284.725335] 2 locks held by syz-executor5/7135: [ 284.725858] #0: (cb_lock){++++}, at: [<00000000c5f18d2e>] genl_rcv+0x14/0x40 [ 284.726700] #1: (genl_mutex){+.+.}, at: [<000000008ba0bfe7>] genl_rcv_msg+0x10e/0x140 [ 284.727622] 2 locks held by syz-executor5/7156: [ 284.728149] #0: (cb_lock){++++}, at: [<00000000c5f18d2e>] genl_rcv+0x14/0x40 [ 284.728984] #1: (genl_mutex){+.+.}, at: [<000000008ba0bfe7>] genl_rcv_msg+0x10e/0x140 [ 284.729901] 2 locks held by syz-executor5/7161: [ 284.730437] #0: (cb_lock){++++}, at: [<00000000c5f18d2e>] genl_rcv+0x14/0x40 [ 284.731282] #1: (genl_mutex){+.+.}, at: [<000000008ba0bfe7>] genl_rcv_msg+0x10e/0x140 [ 284.732192] 2 locks held by syz-executor1/7132: [ 284.732714] #0: (cb_lock){++++}, at: [<00000000c5f18d2e>] genl_rcv+0x14/0x40 [ 284.733541] #1: (genl_mutex){+.+.}, at: [<000000008ba0bfe7>] genl_rcv_msg+0x10e/0x140 [ 284.734458] 2 locks held by syz-executor1/7147: [ 284.734981] #0: (cb_lock){++++}, at: [<00000000c5f18d2e>] genl_rcv+0x14/0x40 [ 284.735806] #1: (genl_mutex){+.+.}, at: [<000000008ba0bfe7>] genl_rcv_msg+0x10e/0x140 [ 284.736721] 2 locks held by syz-executor1/7157: [ 284.737233] #0: (cb_lock){++++}, at: [<00000000c5f18d2e>] genl_rcv+0x14/0x40 [ 284.738063] #1: (genl_mutex){+.+.}, at: [<000000008ba0bfe7>] genl_rcv_msg+0x10e/0x140 [ 284.738973] 2 locks held by syz-executor1/7164: [ 284.739503] #0: (cb_lock){++++}, at: [<00000000c5f18d2e>] genl_rcv+0x14/0x40 [ 284.740342] #1: (genl_mutex){+.+.}, at: [<000000008ba0bfe7>] genl_rcv_msg+0x10e/0x140 [ 284.741255] 2 locks held by syz-executor4/7139: [ 284.741767] #0: (cb_lock){++++}, at: [<00000000c5f18d2e>] genl_rcv+0x14/0x40 [ 284.742603] #1: (genl_mutex){+.+.}, at: [<000000008ba0bfe7>] genl_rcv_msg+0x10e/0x140 [ 284.743526] 2 locks held by syz-executor4/7152: [ 284.744050] #0: (cb_lock){++++}, at: [<00000000c5f18d2e>] genl_rcv+0x14/0x40 [ 284.744875] #1: (genl_mutex){+.+.}, at: [<000000008ba0bfe7>] genl_rcv_msg+0x10e/0x140 [ 284.745780] 2 locks held by syz-executor4/7159: [ 284.746299] #0: (cb_lock){++++}, at: [<00000000c5f18d2e>] genl_rcv+0x14/0x40 [ 284.747124] #1: (genl_mutex){+.+.}, at: [<000000008ba0bfe7>] genl_rcv_msg+0x10e/0x140 [ 284.748038] 2 locks held by syz-executor4/7166: [ 284.748556] #0: (cb_lock){++++}, at: [<00000000c5f18d2e>] genl_rcv+0x14/0x40 [ 284.749382] #1: (genl_mutex){+.+.}, at: [<000000008ba0bfe7>] genl_rcv_msg+0x10e/0x140 [ 284.750319] 2 locks held by syz-executor0/7154: [ 284.750841] #0: (cb_lock){++++}, at: [<00000000c5f18d2e>] genl_rcv+0x14/0x40 [ 284.751665] #1: (genl_mutex){+.+.}, at: [<000000008ba0bfe7>] genl_rcv_msg+0x10e/0x140 [ 284.752584] 2 locks held by syz-executor0/7158: [ 284.753115] #0: (cb_lock){++++}, at: [<00000000c5f18d2e>] genl_rcv+0x14/0x40 [ 284.753934] #1: (genl_mutex){+.+.}, at: [<000000008ba0bfe7>] genl_rcv_msg+0x10e/0x140 [ 284.754860] 2 locks held by syz-executor0/7160: [ 284.755397] #0: (cb_lock){++++}, at: [<00000000c5f18d2e>] genl_rcv+0x14/0x40 [ 284.756225] #1: (genl_mutex){+.+.}, at: [<000000008ba0bfe7>] genl_rcv_msg+0x10e/0x140 [ 284.757140] 2 locks held by syz-executor0/7169: [ 284.757655] #0: (cb_lock){++++}, at: [<00000000c5f18d2e>] genl_rcv+0x14/0x40 [ 284.758489] #1: (genl_mutex){+.+.}, at: [<000000008ba0bfe7>] genl_rcv_msg+0x10e/0x140 [ 284.759399] [ 284.759578] ============================================= [ 284.759578] [ 284.761131] NMI backtrace for cpu 1 [ 284.761551] CPU: 1 PID: 995 Comm: khungtaskd Not tainted 4.16.0-rc4+ #1 [ 284.762298] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 [ 284.763245] Call Trace: [ 284.763539] dump_stack+0x153/0x201 [ 284.763947] ? arch_local_irq_restore+0x43/0x43 [ 284.764468] nmi_cpu_backtrace.cold.5+0x13/0xb2 [ 284.764998] ? lapic_can_unplug_cpu.cold.26+0x3f/0x3f [ 284.765578] nmi_trigger_cpumask_backtrace+0xf5/0x119 [ 284.766156] arch_trigger_cpumask_backtrace+0x14/0x20 [ 284.766739] watchdog+0x755/0xba0 [ 284.767135] ? reset_hung_task_detector+0xb0/0xb0 [ 284.767679] ? __schedule+0x2000/0x2000 [ 284.768121] ? wait_woken+0x280/0x280 [ 284.768550] ? do_raw_spin_unlock+0x1f8/0x2e0 [ 284.769055] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 284.769571] ? lockdep_init_map+0x9/0x10 [ 284.770028] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 284.770596] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 284.771163] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 284.771733] kthread+0x319/0x3e0 [ 284.772106] ? reset_hung_task_detector+0xb0/0xb0 [ 284.772646] ? kthread_bind+0x30/0x30 [ 284.773061] ret_from_fork+0x3a/0x50 [ 284.773505] Sending NMI from CPU 1 to CPUs 0: [ 284.774020] NMI backtrace for cpu 0 [ 284.774024] CPU: 0 PID: 7118 Comm: syz-executor2 Not tainted 4.16.0-rc4+ #1 [ 284.774025] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 [ 284.774033] RIP: 0010:tipc_sk_lookup+0x76d/0xe00 [ 284.774035] RSP: 0018:ffff88005c866940 EFLAGS: 00000286 [ 284.774037] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 284.774039] RDX: ffffed000b90cd36 RSI: 0000000000000003 RDI: ffffed000b90cd6e [ 284.774040] RBP: ffff88005c866bb8 R08: 0000000000000000 R09: ffffffff870252f3 [ 284.774041] R10: 0000000000000078 R11: ffffed000b90cd5a R12: 0000000000000000 [ 284.774043] R13: dffffc0000000000 R14: 1ffff1000b90cd42 R15: ffffed000b90cd5a [ 284.774045] FS: 00007f354fee1700(0000) GS:ffff88006c800000(0000) knlGS:0000000000000000 [ 284.774046] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 284.774047] CR2: 00007fd6484c5db8 CR3: 000000006a79f000 CR4: 00000000007406f0 [ 284.774051] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 284.774052] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 284.774053] PKRU: 55555554 [ 284.774053] Call Trace: [ 284.774061] ? retint_kernel+0x2d/0x2d [ 284.774064] ? tipc_send_packet+0x20/0x20 [ 284.774072] ? mark_held_locks+0xc7/0x130 [ 284.774074] ? retint_kernel+0x2d/0x2d [ 284.774077] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 284.774080] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 284.774087] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 284.774090] ? validate_nla+0x390/0x620 [ 284.774093] ? nla_parse+0x2b0/0x430 [ 284.774095] ? validate_nla+0x620/0x620 [ 284.774098] tipc_nl_publ_dump+0x1e8/0xe4b [ 284.774103] ? kasan_kmalloc+0xc7/0xe0 [ 284.774105] ? tipc_nl_sk_dump+0x16d0/0x16d0 [ 284.774108] ? mark_held_locks+0xc7/0x130 [ 284.774110] ? retint_kernel+0x2d/0x2d [ 284.774112] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 284.774115] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 284.774117] ? retint_kernel+0x2d/0x2d [ 284.774119] ? tipc_nl_sk_dump+0x16d0/0x16d0 [ 284.774124] __tipc_nl_compat_dumpit.isra.11+0x1e0/0xaa0 [ 284.774128] ? __tipc_add_link_prop.isra.9+0x2e0/0x2e0 [ 284.774132] ? __nla_put+0x20/0x30 [ 284.774135] tipc_nl_compat_sk_dump+0x7ff/0xc00 [ 284.774138] ? __tipc_nl_compat_dumpit.isra.11+0xaa0/0xaa0 [ 284.774142] ? __alloc_skb+0x3f4/0x740 [ 284.774144] ? validate_nla+0x390/0x620 [ 284.774146] ? tipc_nl_sk_dump+0x16d0/0x16d0 [ 284.774148] ? tipc_tlv_sprintf+0x2c0/0x2c0 [ 284.774149] ? nla_parse+0x2b0/0x430 [ 284.774152] ? validate_nla+0x620/0x620 [ 284.774156] __tipc_nl_compat_dumpit.isra.11+0x2ce/0xaa0 [ 284.774160] ? __tipc_add_link_prop.isra.9+0x2e0/0x2e0 [ 284.774165] tipc_nl_compat_dumpit+0x1a5/0x400 [ 284.774168] tipc_nl_compat_recv+0x670/0x1710 [ 284.774171] ? tipc_nl_compat_doit+0x550/0x550 [ 284.774173] ? debug_check_no_locks_freed+0x310/0x310 [ 284.774175] ? tipc_socket_stop+0x20/0x20 [ 284.774177] ? __tipc_nl_compat_dumpit.isra.11+0xaa0/0xaa0 [ 284.774180] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 284.774186] genl_family_rcv_msg+0x6d4/0x1480 [ 284.774189] ? genl_rcv+0x40/0x40 [ 284.774191] ? netlink_deliver_tap+0x26e/0x10a0 [ 284.774193] ? lock_downgrade+0x900/0x900 [ 284.774198] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 284.774202] ? debug_smp_processor_id+0x17/0x20 [ 284.774205] ? rcu_is_watching+0x69/0x180 [ 284.774207] ? __lock_is_held+0xb5/0x140 [ 284.774211] genl_rcv_msg+0xa7/0x140 [ 284.774213] netlink_rcv_skb+0x145/0x380 [ 284.774215] ? genl_family_rcv_msg+0x1480/0x1480 [ 284.774217] ? netlink_ack+0x9d0/0x9d0 [ 284.774218] ? genl_rcv+0x14/0x40 [ 284.774223] ? netlink_skb_destructor+0x1a0/0x1a0 [ 284.774225] genl_rcv+0x23/0x40 [ 284.774227] netlink_unicast+0x463/0x680 [ 284.774229] ? netlink_attachskb+0xa70/0xa70 [ 284.774231] ? netlink_autobind.isra.34+0xa8/0x230 [ 284.774233] ? netlink_autobind.isra.34+0x16e/0x230 [ 284.774235] netlink_sendmsg+0x8eb/0xeb0 [ 284.774237] ? netlink_unicast+0x680/0x680 [ 284.774242] ? SYSC_sendto+0x6c0/0x6c0 [ 284.774244] ? netlink_unicast+0x680/0x680 [ 284.774246] sock_sendmsg+0xb7/0xf0 [ 284.774249] ___sys_sendmsg+0x68f/0x9c0 [ 284.774253] ? expand_files.part.8+0x870/0x870 [ 284.774256] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 284.774258] ? copy_msghdr_from_user+0x5d0/0x5d0 [ 284.774261] ? __fget_light+0x2cc/0x420 [ 284.774264] ? fget_raw+0x10/0x10 [ 284.774266] ? __might_fault+0xf1/0x1b0 [ 284.774268] ? lock_downgrade+0x900/0x900 [ 284.774271] ? lock_release+0x9b0/0x9b0 [ 284.774274] ? check_same_owner+0x330/0x330 [ 284.774276] ? lock_release+0x9b0/0x9b0 [ 284.774279] ? __fdget+0xe/0x10 [ 284.774281] __sys_sendmsg+0xde/0x240 [ 284.774284] ? SyS_shutdown+0x270/0x270 [ 284.774286] ? put_timespec64+0xf1/0x190 [ 284.774289] ? nsecs_to_jiffies+0x20/0x20 [ 284.774291] ? SyS_futex+0xfc/0x404 [ 284.774295] ? do_syscall_64+0xb8/0x980 [ 284.774298] SyS_sendmsg+0xd/0x20 [ 284.774300] do_syscall_64+0x276/0x980 [ 284.774302] ? _raw_spin_unlock_irq+0x60/0x80 [ 284.774304] ? finish_task_switch+0x1f4/0x890 [ 284.774306] ? syscall_return_slowpath+0x4e0/0x4e0 [ 284.774308] ? syscall_return_slowpath+0x215/0x4e0 [ 284.774310] ? __switch_to_asm+0x34/0x70 [ 284.774312] ? prepare_exit_to_usermode+0x300/0x300 [ 284.774314] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 284.774316] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.774319] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 284.774321] RIP: 0033:0x4570d9 [ 284.774322] RSP: 002b:00007f354fee0c88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 284.774324] RAX: ffffffffffffffda RBX: 000000000071bfa0 RCX: 00000000004570d9 [ 284.774325] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000005 [ 284.774326] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 284.774327] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f354fee16d4 [ 284.774328] R13: 00000000004ab484 R14: 00000000006ea0f8 R15: 00000000ffffffff [ 284.774330] Code: 00 48 c7 c7 80 f4 98 88 e8 91 21 54 fa 31 c0 b9 07 00 00 00 48 ba 00 00 00 00 00 fc ff df 48 03 95 d0 fd ff ff 48 89 d7 f3 48 ab <48> 89 d8 48 8b 5d d0 65 48 33 1c 25 28 00 00 00 0f 85 d3 05 00 [ 284.775926] Kernel panic - not syncing: hung_task: blocked tasks [ 284.839949] CPU: 1 PID: 995 Comm: khungtaskd Not tainted 4.16.0-rc4+ #1 [ 284.840725] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 [ 284.841694] Call Trace: [ 284.841997] dump_stack+0x153/0x201 [ 284.842419] ? arch_local_irq_restore+0x43/0x43 [ 284.842971] ? preempt_schedule+0x4d/0x60 [ 284.843450] panic+0x1b2/0x369 [ 284.843819] ? add_taint.cold.5+0x11/0x11 [ 284.844301] watchdog+0x766/0xba0 [ 284.844705] ? reset_hung_task_detector+0xb0/0xb0 [ 284.845281] ? __schedule+0x2000/0x2000 [ 284.845750] ? wait_woken+0x280/0x280 [ 284.846197] ? do_raw_spin_unlock+0x1f8/0x2e0 [ 284.846721] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 284.847260] ? lockdep_init_map+0x9/0x10 [ 284.847738] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 284.848338] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 284.848931] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 284.849532] kthread+0x319/0x3e0 [ 284.849929] ? reset_hung_task_detector+0xb0/0xb0 [ 284.850499] ? kthread_bind+0x30/0x30 [ 284.850956] ret_from_fork+0x3a/0x50 [ 284.851570] Kernel Offset: disabled [ 284.852032] Rebooting in 86400 seconds..