2017/09/06 00:19:12 parsed 1 programs 2017/09/06 00:19:12 executed programs: 0 2017/09/06 00:19:17 executed programs: 243 syzkaller login: [ 156.048036] watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor0:4008] [ 156.048971] Modules linked in: [ 156.049335] irq event stamp: 80480 [ 156.049718] hardirqs last enabled at (80479): [] restore_regs_and_iret+0x0/0x1d [ 156.050731] hardirqs last disabled at (80480): [] apic_timer_interrupt+0x98/0xb0 [ 156.051656] softirqs last enabled at (45844): [] __do_softirq+0x74d/0xbd0 [ 156.052537] softirqs last disabled at (45829): [] irq_exit+0x1d3/0x210 [ 156.053541] CPU: 1 PID: 4008 Comm: syz-executor0 Not tainted 4.13.0-next-20170905+ #15 [ 156.054253] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 156.055052] task: ffff88006c86e440 task.stack: ffff88006c490000 [ 156.055673] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 156.056201] RSP: 0018:ffff88006c496b20 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10 [ 156.057108] RAX: dffffc0000000000 RBX: 0000000000000282 RCX: 0000000000000000 [ 156.057888] RDX: 1ffffffff0b59305 RSI: ffff88003b1d9870 RDI: 0000000000000282 [ 156.058640] RBP: ffff88006c496b40 R08: 0000000000000000 R09: 0000000000000000 [ 156.059443] R10: ffffffff84bed6d8 R11: ffffffff8705fca0 R12: ffff88006c86e440 [ 156.060265] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff1000d892da4 [ 156.061168] FS: 00007f0426f7c700(0000) GS:ffff88003ed00000(0000) knlGS:0000000000000000 [ 156.062571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 156.063290] CR2: 0000000020689000 CR3: 000000006a227000 CR4: 00000000000006e0 [ 156.064036] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 156.064712] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 156.065507] Call Trace: [ 156.065718] lockdep_rht_mutex_is_held.part.4+0x1e/0x30 [ 156.066260] lockdep_rht_mutex_is_held+0x59/0x70 [ 156.066764] tipc_sk_lookup+0x9ef/0xdf0 [ 156.067195] ? retint_kernel+0x10/0x10 [ 156.067695] ? tipc_send_packet+0x50/0x50 [ 156.068196] ? retint_kernel+0x10/0x10 [ 156.068641] ? validate_nla+0x1a7/0x5a0 [ 156.069046] ? nla_parse+0x29a/0x3d0 [ 156.069436] ? nla_validate+0x1c0/0x1c0 [ 156.069871] tipc_nl_publ_dump+0x21d/0xef0 [ 156.070347] ? tipc_nl_sk_dump+0x1990/0x1990 [ 156.071045] ? mark_held_locks+0xb2/0x100 [ 156.071605] ? retint_kernel+0x10/0x10 [ 156.072097] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 156.072657] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 156.073324] ? retint_kernel+0x10/0x10 [ 156.073977] __tipc_nl_compat_dumpit.isra.10+0x20c/0xa10 [ 156.074630] ? __tipc_add_link_prop.isra.8+0x2d0/0x2d0 [ 156.075314] ? skb_put+0x149/0x1c0 [ 156.075752] ? tipc_tlv_sprintf+0x230/0x2d0 [ 156.076306] ? skb_put+0x149/0x1c0 [ 156.076814] ? nla_put+0xf9/0x130 [ 156.077266] tipc_nl_compat_sk_dump+0x834/0xbb0 [ 156.077712] ? check_noncircular+0x20/0x20 [ 156.078049] ? __tipc_nl_compat_dumpit.isra.10+0xa10/0xa10 [ 156.078508] ? __alloc_skb+0x548/0x740 [ 156.078821] ? skb_copy_and_csum_dev+0x360/0x360 [ 156.079503] ? validate_nla+0x1a7/0x5a0 [ 156.079964] ? tipc_nl_sk_dump+0x1990/0x1990 [ 156.080441] ? tipc_tlv_sprintf+0x2d0/0x2d0 [ 156.080950] ? nla_validate+0x1c0/0x1c0 [ 156.081419] ? __tipc_nl_compat_dumpit.isra.10+0xa10/0xa10 [ 156.082030] __tipc_nl_compat_dumpit.isra.10+0x30d/0xa10 [ 156.082622] ? __tipc_add_link_prop.isra.8+0x2d0/0x2d0 [ 156.083186] ? __might_sleep+0x95/0x190 [ 156.084411] ? genl_rcv_msg+0x115/0x140 [ 156.084845] ? skb_put+0x149/0x1c0 [ 156.085315] tipc_nl_compat_dumpit+0x1d2/0x410 [ 156.085823] tipc_nl_compat_recv+0x419/0x18f0 [ 156.086448] ? tipc_nl_compat_doit+0x660/0x660 [ 156.087277] ? tipc_socket_stop+0x30/0x30 [ 156.087726] ? __tipc_nl_compat_dumpit.isra.10+0xa10/0xa10 [ 156.088617] ? find_held_lock+0x39/0x1d0 [ 156.089268] genl_family_rcv_msg+0x7b7/0xfc0 [ 156.089767] ? genl_rcv+0x40/0x40 [ 156.090202] ? netlink_create+0x500/0x500 [ 156.090688] ? lock_release+0xd70/0xd70 [ 156.091163] ? netlink_lookup+0x620/0xa90 [ 156.091638] genl_rcv_msg+0xb2/0x140 [ 156.092088] netlink_rcv_skb+0x216/0x440 [ 156.092516] ? genl_family_rcv_msg+0xfc0/0xfc0 [ 156.092991] ? netlink_ack+0xab0/0xab0 [ 156.093429] ? genl_rcv+0x19/0x40 [ 156.093719] ? netlink_skb_destructor+0x1d0/0x1d0 [ 156.094177] ? selinux_nlmsg_lookup+0x32b/0x430 [ 156.094611] genl_rcv+0x28/0x40 [ 156.094947] netlink_unicast+0x4e8/0x6f0 [ 156.095416] ? netlink_attachskb+0x8a0/0x8a0 [ 156.095931] ? security_netlink_send+0x81/0xb0 [ 156.096468] netlink_sendmsg+0xa4a/0xe70 [ 156.096929] ? netlink_unicast+0x6f0/0x6f0 [ 156.097458] ? security_socket_sendmsg+0x89/0xb0 [ 156.097970] ? netlink_unicast+0x6f0/0x6f0 [ 156.098458] sock_sendmsg+0xca/0x110 [ 156.098891] sock_write_iter+0x320/0x5e0 [ 156.099381] ? sock_sendmsg+0x110/0x110 [ 156.099844] ? iov_iter_init+0xaf/0x1d0 [ 156.100344] __vfs_write+0x68a/0x970 [ 156.100756] ? default_llseek+0x2a0/0x2a0 [ 156.101219] ? selinux_capset+0x100/0x100 [ 156.101652] ? selinux_file_permission+0x82/0x460 [ 156.102252] ? rw_verify_area+0xe5/0x2b0 [ 156.102742] ? __fdget_raw+0x20/0x20 [ 156.103297] vfs_write+0x18f/0x510 [ 156.103680] SyS_write+0xef/0x220 [ 156.104252] ? SyS_read+0x220/0x220 [ 156.106279] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 156.106836] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 156.107350] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 156.107674] RIP: 0033:0x447299 [ 156.107970] RSP: 002b:00007f0426f7bc08 EFLAGS: 00000292 ORIG_RAX: 0000000000000001 [ 156.108835] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 0000000000447299 [ 156.109597] RDX: 0000000000000020 RSI: 0000000020689000 RDI: 000000000000000d [ 156.110661] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 [ 156.111544] R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 [ 156.112320] R13: 0000000000000000 R14: 00007f0426f7c9c0 R15: 00007f0426f7c700 [ 156.113068] Code: fc ff df 41 c7 84 24 94 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d a4 b7 58 04 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 [ 156.115406] Kernel panic - not syncing: softlockup: hung tasks [ 156.116010] CPU: 1 PID: 4008 Comm: syz-executor0 Tainted: G L 4.13.0-next-20170905+ #15 [ 156.116876] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 156.117731] Call Trace: [ 156.118024] [ 156.118268] dump_stack+0x194/0x257 [ 156.118667] ? arch_local_irq_restore+0x53/0x53 [ 156.119114] ? vprintk_default+0x28/0x30 [ 156.119545] ? vprintk_func+0x5e/0xc0 [ 156.119973] panic+0x1e4/0x417 [ 156.120318] ? __warn+0x1d9/0x1d9 [ 156.120748] watchdog_timer_fn+0x401/0x410 [ 156.121185] ? watchdog_park_threads+0x240/0x240 [ 156.121724] __hrtimer_run_queues+0x349/0xe10 [ 156.122216] ? watchdog_park_threads+0x240/0x240 [ 156.122743] ? hrtimer_cancel+0x40/0x40 [ 156.123174] ? pvclock_read_flags+0x160/0x160 [ 156.123681] ? kvm_clock_get_cycles+0x25/0x30 [ 156.124160] ? ktime_get_update_offsets_now+0x34a/0x520 [ 156.124738] ? do_timer+0x50/0x50 [ 156.125118] ? native_apic_msr_write+0x5c/0x80 [ 156.125617] ? lapic_next_event+0x5a/0x90 [ 156.126420] ? clockevents_program_event+0x108/0x2e0 [ 156.126989] hrtimer_interrupt+0x1d4/0x5f0 [ 156.127483] smp_apic_timer_interrupt+0x156/0x710 [ 156.128004] ? smp_reschedule_interrupt+0xf2/0x670 [ 156.128561] ? smp_call_function_single_interrupt+0x650/0x650 [ 156.129227] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 156.129740] ? tipc_sk_lookup+0x278/0xdf0 [ 156.130203] apic_timer_interrupt+0x9d/0xb0 [ 156.130656] [ 156.130906] RIP: 0010:lock_is_held_type+0x18b/0x210 [ 156.131436] RSP: 0018:ffff88006c496b20 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10 [ 156.132242] RAX: dffffc0000000000 RBX: 0000000000000282 RCX: 0000000000000000 [ 156.132991] RDX: 1ffffffff0b59305 RSI: ffff88003b1d9870 RDI: 0000000000000282 [ 156.133721] RBP: ffff88006c496b40 R08: 0000000000000000 R09: 0000000000000000 [ 156.134382] R10: ffffffff84bed6d8 R11: ffffffff8705fca0 R12: ffff88006c86e440 [ 156.135069] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff1000d892da4 [ 156.135748] ? tipc_sk_lookup+0x278/0xdf0 [ 156.136100] lockdep_rht_mutex_is_held.part.4+0x1e/0x30 [ 156.136597] lockdep_rht_mutex_is_held+0x59/0x70 [ 156.137040] tipc_sk_lookup+0x9ef/0xdf0 [ 156.137411] ? retint_kernel+0x10/0x10 [ 156.137781] ? tipc_send_packet+0x50/0x50 [ 156.138167] ? retint_kernel+0x10/0x10 [ 156.138540] ? validate_nla+0x1a7/0x5a0 [ 156.138911] ? nla_parse+0x29a/0x3d0 [ 156.139266] ? nla_validate+0x1c0/0x1c0 [ 156.139646] tipc_nl_publ_dump+0x21d/0xef0 [ 156.140048] ? tipc_nl_sk_dump+0x1990/0x1990 [ 156.140463] ? mark_held_locks+0xb2/0x100 [ 156.140848] ? retint_kernel+0x10/0x10 [ 156.141209] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 156.141675] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 156.142125] ? retint_kernel+0x10/0x10 [ 156.142499] __tipc_nl_compat_dumpit.isra.10+0x20c/0xa10 [ 156.143010] ? __tipc_add_link_prop.isra.8+0x2d0/0x2d0 [ 156.143505] ? skb_put+0x149/0x1c0 [ 156.143841] ? tipc_tlv_sprintf+0x230/0x2d0 [ 156.144244] ? skb_put+0x149/0x1c0 [ 156.144584] ? nla_put+0xf9/0x130 [ 156.144911] tipc_nl_compat_sk_dump+0x834/0xbb0 [ 156.145344] ? check_noncircular+0x20/0x20 [ 156.145741] ? __tipc_nl_compat_dumpit.isra.10+0xa10/0xa10 [ 156.146260] ? __alloc_skb+0x548/0x740 [ 156.146626] ? skb_copy_and_csum_dev+0x360/0x360 [ 156.147068] ? validate_nla+0x1a7/0x5a0 [ 156.147449] ? tipc_nl_sk_dump+0x1990/0x1990 [ 156.148101] ? tipc_tlv_sprintf+0x2d0/0x2d0 [ 156.148505] ? nla_validate+0x1c0/0x1c0 [ 156.148881] ? __tipc_nl_compat_dumpit.isra.10+0xa10/0xa10 [ 156.149399] __tipc_nl_compat_dumpit.isra.10+0x30d/0xa10 [ 156.149907] ? __tipc_add_link_prop.isra.8+0x2d0/0x2d0 [ 156.150404] ? __might_sleep+0x95/0x190 [ 156.150778] ? genl_rcv_msg+0x115/0x140 [ 156.151149] ? skb_put+0x149/0x1c0 [ 156.151508] tipc_nl_compat_dumpit+0x1d2/0x410 [ 156.151948] tipc_nl_compat_recv+0x419/0x18f0 [ 156.152386] ? tipc_nl_compat_doit+0x660/0x660 [ 156.152830] ? tipc_socket_stop+0x30/0x30 [ 156.153233] ? __tipc_nl_compat_dumpit.isra.10+0xa10/0xa10 [ 156.153707] ? find_held_lock+0x39/0x1d0 [ 156.154057] genl_family_rcv_msg+0x7b7/0xfc0 [ 156.154464] ? genl_rcv+0x40/0x40 [ 156.154765] ? netlink_create+0x500/0x500 [ 156.155104] ? lock_release+0xd70/0xd70 [ 156.155453] ? netlink_lookup+0x620/0xa90 [ 156.155832] genl_rcv_msg+0xb2/0x140 [ 156.156159] netlink_rcv_skb+0x216/0x440 [ 156.156521] ? genl_family_rcv_msg+0xfc0/0xfc0 [ 156.156896] ? netlink_ack+0xab0/0xab0 [ 156.157219] ? genl_rcv+0x19/0x40 [ 156.157526] ? netlink_skb_destructor+0x1d0/0x1d0 [ 156.157933] ? selinux_nlmsg_lookup+0x32b/0x430 [ 156.158407] genl_rcv+0x28/0x40 [ 156.158723] netlink_unicast+0x4e8/0x6f0 [ 156.159047] ? netlink_attachskb+0x8a0/0x8a0 [ 156.159464] ? security_netlink_send+0x81/0xb0 [ 156.159845] netlink_sendmsg+0xa4a/0xe70 [ 156.160186] ? netlink_unicast+0x6f0/0x6f0 [ 156.160545] ? security_socket_sendmsg+0x89/0xb0 [ 156.160936] ? netlink_unicast+0x6f0/0x6f0 [ 156.161271] sock_sendmsg+0xca/0x110 [ 156.161591] sock_write_iter+0x320/0x5e0 [ 156.161920] ? sock_sendmsg+0x110/0x110 [ 156.162247] ? iov_iter_init+0xaf/0x1d0 [ 156.162603] __vfs_write+0x68a/0x970 [ 156.162929] ? default_llseek+0x2a0/0x2a0 [ 156.163288] ? selinux_capset+0x100/0x100 [ 156.163669] ? selinux_file_permission+0x82/0x460 [ 156.164091] ? rw_verify_area+0xe5/0x2b0 [ 156.164442] ? __fdget_raw+0x20/0x20 [ 156.164768] vfs_write+0x18f/0x510 [ 156.165079] SyS_write+0xef/0x220 [ 156.165363] ? SyS_read+0x220/0x220 [ 156.165670] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 156.166083] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 156.166501] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 156.166913] RIP: 0033:0x447299 [ 156.167172] RSP: 002b:00007f0426f7bc08 EFLAGS: 00000292 ORIG_RAX: 0000000000000001 [ 156.167823] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 0000000000447299 [ 156.168398] RDX: 0000000000000020 RSI: 0000000020689000 RDI: 000000000000000d [ 156.168981] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 [ 156.170038] R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 [ 156.170542] R13: 0000000000000000 R14: 00007f0426f7c9c0 R15: 00007f0426f7c700 [ 156.171181] Dumping ftrace buffer: [ 156.171497] (ftrace buffer empty) [ 156.171754] Kernel Offset: disabled [ 156.172028] Rebooting in 86400 seconds..