[ 43.811600] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.827686] device bridge_slave_0 left promiscuous mode [ 43.833274] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.882923] team0 (unregistering): Port device team_slave_1 removed [ 43.895108] team0 (unregistering): Port device team_slave_0 removed [ 43.907529] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 43.924626] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 43.957563] bond0 (unregistering): Released all slaves [ 44.697948] random: sshd: uninitialized urandom read (32 bytes read) [ 44.929669] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.11' (ECDSA) to the list of known hosts. [ 50.358357] random: sshd: uninitialized urandom read (32 bytes read) 2018/05/18 11:01:30 parsed 1 programs 2018/05/18 11:01:30 executed programs: 0 [ 50.803127] IPVS: ftp: loaded support on port[0] = 21 [ 50.815326] IPVS: ftp: loaded support on port[0] = 21 [ 50.824880] IPVS: ftp: loaded support on port[0] = 21 [ 50.838303] IPVS: ftp: loaded support on port[0] = 21 [ 50.859443] IPVS: ftp: loaded support on port[0] = 21 [ 50.890683] IPVS: ftp: loaded support on port[0] = 21 [ 50.902627] IPVS: ftp: loaded support on port[0] = 21 [ 50.921188] IPVS: ftp: loaded support on port[0] = 21 2018/05/18 11:01:35 executed programs: 348 2018/05/18 11:01:40 executed programs: 707 [ 84.048025] watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor5:7720] [ 84.055767] Modules linked in: [ 84.058942] irq event stamp: 139954 [ 84.062558] hardirqs last enabled at (139953): [] restore_regs_and_return_to_kernel+0x0/0x2b [ 84.072767] hardirqs last disabled at (139954): [] interrupt_entry+0xb5/0xf0 [ 84.081499] softirqs last enabled at (139952): [] __do_softirq+0x778/0xaf5 [ 84.090156] softirqs last disabled at (139945): [] irq_exit+0x1d1/0x200 [ 84.099075] CPU: 1 PID: 7720 Comm: syz-executor5 Not tainted 4.17.0-rc5+ #1 [ 84.106166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.115511] RIP: 0010:__process_echoes+0x277/0x8d0 [ 84.120416] RSP: 0018:ffff8801c418f7e0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 84.128109] RAX: 0000000000000000 RBX: 00000000688de2a3 RCX: ffffffff838004b7 [ 84.135450] RDX: ffffffff97721dc3 RSI: 0000000000000edf RDI: 0000000000000007 [ 84.142702] RBP: ffff8801c418f848 R08: ffff8801c817a740 R09: 0000000000000006 [ 84.149957] R10: ffff8801c817a740 R11: 0000000000000000 R12: ffffc90004d16000 [ 84.157213] R13: 0000000000000066 R14: ffffffff97721dc3 R15: 0000000000000000 [ 84.164468] FS: 00007ff449837700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 [ 84.172682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.178544] CR2: 00000000004d91e4 CR3: 00000001d9f9f000 CR4: 00000000001406e0 [ 84.185806] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.193063] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.200321] Call Trace: [ 84.202899] n_tty_receive_buf_common+0x11d5/0x2c50 [ 84.207909] ? n_tty_receive_char_lnext+0x710/0x710 [ 84.212911] ? rcu_note_context_switch+0x710/0x710 [ 84.217910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.223435] n_tty_receive_buf+0x30/0x40 [ 84.227481] tty_ioctl+0x7e7/0x1870 [ 84.231092] ? tty_vhangup+0x30/0x30 [ 84.234789] ? rcu_is_watching+0x85/0x140 [ 84.238918] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 84.244101] ? __fget+0x40c/0x650 [ 84.247541] ? expand_files.part.8+0x9a0/0x9a0 [ 84.252106] ? trace_hardirqs_off+0xd/0x10 [ 84.256325] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 84.261412] ? debug_check_no_obj_freed+0x2ff/0x584 [ 84.266418] ? tty_vhangup+0x30/0x30 [ 84.270113] do_vfs_ioctl+0x1cf/0x16a0 [ 84.273982] ? rcu_pm_notify+0xc0/0xc0 [ 84.277853] ? ioctl_preallocate+0x2e0/0x2e0 [ 84.282244] ? fget_raw+0x20/0x20 [ 84.285678] ? putname+0xf2/0x130 [ 84.289118] ? rcu_read_lock_sched_held+0x108/0x120 [ 84.294116] ? kmem_cache_free+0x25c/0x2d0 [ 84.298331] ? __x64_sys_futex+0x477/0x680 [ 84.302547] ? do_futex+0x27d0/0x27d0 [ 84.306339] ? security_file_ioctl+0x94/0xc0 [ 84.310736] ksys_ioctl+0xa9/0xd0 [ 84.314170] __x64_sys_ioctl+0x73/0xb0 [ 84.318045] do_syscall_64+0x1b1/0x800 [ 84.321917] ? finish_task_switch+0x1ca/0x840 [ 84.326393] ? syscall_return_slowpath+0x5c0/0x5c0 [ 84.331312] ? syscall_return_slowpath+0x30f/0x5c0 [ 84.336226] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 84.341578] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 84.346407] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.351593] RIP: 0033:0x455319 [ 84.354764] RSP: 002b:00007ff449836c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 84.362452] RAX: ffffffffffffffda RBX: 00007ff4498376d4 RCX: 0000000000455319 [ 84.369701] RDX: 00000000200000c0 RSI: 0000000000005412 RDI: 0000000000000004 [ 84.376954] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 84.384206] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 84.391458] R13: 00000000000002f9 R14: 00000000006f77f8 R15: 0000000000000000 [ 84.398716] Code: 82 0f 84 4f 05 00 00 e8 c8 29 f9 fd 4c 8d 73 02 4c 89 f3 e8 bc 29 f9 fd 4d 89 ee bf df 0e 00 00 49 29 de 4c 89 f6 e8 d9 2a f9 fd <49> 81 fe df 0e 00 00 0f 86 e2 04 00 00 e8 97 29 f9 fd 49 89 de [ 84.417907] Kernel panic - not syncing: softlockup: hung tasks [ 84.423867] CPU: 1 PID: 7720 Comm: syz-executor5 Tainted: G L 4.17.0-rc5+ #1 [ 84.432335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.441667] Call Trace: [ 84.444229] [ 84.446365] dump_stack+0x1b9/0x294 [ 84.449980] ? dump_stack_print_info.cold.2+0x52/0x52 [ 84.455151] ? vprintk_default+0x28/0x30 [ 84.459192] ? vprintk_func+0x81/0xe7 [ 84.462983] panic+0x22f/0x4de [ 84.466159] ? add_taint.cold.5+0x16/0x16 [ 84.470293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.475810] ? vprintk_func+0x81/0xe7 [ 84.479591] ? watchdog_timer_fn.cold.5+0xe2/0x126 [ 84.484499] ? watchdog_timer_fn.cold.5+0xd9/0x126 [ 84.489412] watchdog_timer_fn.cold.5+0xf3/0x126 [ 84.494151] __hrtimer_run_queues+0x3e3/0x10a0 [ 84.498715] ? watchdog+0x30/0x30 [ 84.502154] ? hrtimer_start_range_ns+0xd10/0xd10 [ 84.506983] ? pvclock_read_flags+0x160/0x160 [ 84.511467] ? kvm_clock_read+0x25/0x30 [ 84.515425] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 84.520429] ? ktime_get_update_offsets_now+0x3d3/0x5c0 [ 84.525777] ? do_timer+0x50/0x50 [ 84.529217] ? rcu_nmi_exit+0xd7/0x2b0 [ 84.533090] ? do_raw_spin_lock+0xc1/0x200 [ 84.537308] hrtimer_interrupt+0x2f3/0x750 [ 84.541539] smp_apic_timer_interrupt+0x15d/0x710 [ 84.546370] ? smp_call_function_single_interrupt+0x650/0x650 [ 84.552235] ? _raw_spin_lock+0x32/0x40 [ 84.556206] ? _raw_spin_unlock+0x22/0x30 [ 84.560335] ? handle_edge_irq+0x330/0x870 [ 84.564565] ? task_prio+0x50/0x50 [ 84.568091] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 84.572935] apic_timer_interrupt+0xf/0x20 [ 84.577145] [ 84.579367] RIP: 0010:__process_echoes+0x277/0x8d0 [ 84.584270] RSP: 0018:ffff8801c418f7e0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 84.591961] RAX: 0000000000000000 RBX: 00000000688de2a3 RCX: ffffffff838004b7 [ 84.599223] RDX: ffffffff97721dc3 RSI: 0000000000000edf RDI: 0000000000000007 [ 84.606475] RBP: ffff8801c418f848 R08: ffff8801c817a740 R09: 0000000000000006 [ 84.613727] R10: ffff8801c817a740 R11: 0000000000000000 R12: ffffc90004d16000 [ 84.620979] R13: 0000000000000066 R14: ffffffff97721dc3 R15: 0000000000000000 [ 84.628246] ? __process_echoes+0x277/0x8d0 [ 84.632560] n_tty_receive_buf_common+0x11d5/0x2c50 [ 84.637569] ? n_tty_receive_char_lnext+0x710/0x710 [ 84.642571] ? rcu_note_context_switch+0x710/0x710 [ 84.647485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.653013] n_tty_receive_buf+0x30/0x40 [ 84.657080] tty_ioctl+0x7e7/0x1870 [ 84.660691] ? tty_vhangup+0x30/0x30 [ 84.664392] ? rcu_is_watching+0x85/0x140 [ 84.668537] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 84.673715] ? __fget+0x40c/0x650 [ 84.677155] ? expand_files.part.8+0x9a0/0x9a0 [ 84.681719] ? trace_hardirqs_off+0xd/0x10 [ 84.685937] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 84.691033] ? debug_check_no_obj_freed+0x2ff/0x584 [ 84.696049] ? tty_vhangup+0x30/0x30 [ 84.699747] do_vfs_ioctl+0x1cf/0x16a0 [ 84.703615] ? rcu_pm_notify+0xc0/0xc0 [ 84.707500] ? ioctl_preallocate+0x2e0/0x2e0 [ 84.711892] ? fget_raw+0x20/0x20 [ 84.715324] ? putname+0xf2/0x130 [ 84.718760] ? rcu_read_lock_sched_held+0x108/0x120 [ 84.723765] ? kmem_cache_free+0x25c/0x2d0 [ 84.727986] ? __x64_sys_futex+0x477/0x680 [ 84.732203] ? do_futex+0x27d0/0x27d0 [ 84.735987] ? security_file_ioctl+0x94/0xc0 [ 84.740392] ksys_ioctl+0xa9/0xd0 [ 84.743829] __x64_sys_ioctl+0x73/0xb0 [ 84.747701] do_syscall_64+0x1b1/0x800 [ 84.751568] ? finish_task_switch+0x1ca/0x840 [ 84.756060] ? syscall_return_slowpath+0x5c0/0x5c0 [ 84.760969] ? syscall_return_slowpath+0x30f/0x5c0 [ 84.765891] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 84.771242] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 84.776072] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.781243] RIP: 0033:0x455319 [ 84.784413] RSP: 002b:00007ff449836c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 84.792109] RAX: ffffffffffffffda RBX: 00007ff4498376d4 RCX: 0000000000455319 [ 84.799383] RDX: 00000000200000c0 RSI: 0000000000005412 RDI: 0000000000000004 [ 84.806633] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 84.813890] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 84.821148] R13: 00000000000002f9 R14: 00000000006f77f8 R15: 0000000000000000 [ 84.829042] Dumping ftrace buffer: [ 84.832701] (ftrace buffer empty) [ 84.836415] Kernel Offset: disabled [ 84.840039] Rebooting in 86400 seconds..