[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c[ 33.728649] kauditd_printk_skb: 9 callbacks suppressed [ 33.728662] audit: type=1800 audit(1542021639.947:33): pid=6000 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 . [ 33.765459] audit: type=1800 audit(1542021639.947:34): pid=6000 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 37.184092] audit: type=1400 audit(1542021643.397:35): avc: denied { map } for pid=6174 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.47' (ECDSA) to the list of known hosts. [ 695.141732] audit: type=1400 audit(1542022301.357:36): avc: denied { map } for pid=6188 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2018/11/12 11:31:41 parsed 1 programs [ 695.719136] audit: type=1400 audit(1542022301.937:37): avc: denied { map } for pid=6188 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=1106 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2018/11/12 11:31:43 executed programs: 0 [ 697.321752] IPVS: ftp: loaded support on port[0] = 21 [ 697.592868] bridge0: port 1(bridge_slave_0) entered blocking state [ 697.599830] bridge0: port 1(bridge_slave_0) entered disabled state [ 697.607272] device bridge_slave_0 entered promiscuous mode [ 697.626190] bridge0: port 2(bridge_slave_1) entered blocking state [ 697.632558] bridge0: port 2(bridge_slave_1) entered disabled state [ 697.639831] device bridge_slave_1 entered promiscuous mode [ 697.658971] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 697.677049] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 697.727929] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 697.748570] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 697.829449] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 697.837006] team0: Port device team_slave_0 added [ 697.853673] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 697.861027] team0: Port device team_slave_1 added [ 697.878854] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 697.902245] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 697.921431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 697.941204] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 698.091737] bridge0: port 2(bridge_slave_1) entered blocking state [ 698.098245] bridge0: port 2(bridge_slave_1) entered forwarding state [ 698.105038] bridge0: port 1(bridge_slave_0) entered blocking state [ 698.111446] bridge0: port 1(bridge_slave_0) entered forwarding state [ 698.649781] 8021q: adding VLAN 0 to HW filter on device bond0 [ 698.705070] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 698.760274] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 698.766632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 698.773908] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 698.829104] 8021q: adding VLAN 0 to HW filter on device team0 [ 699.138215] audit: type=1400 audit(1542022305.357:38): avc: denied { associate } for pid=6201 comm="syz-executor0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 699.246812] hrtimer: interrupt took 31256 ns [ 699.303610] hub 3-0:1.0: USB hub found [ 699.309642] hub 3-0:1.0: 8 ports detected [ 700.202168] hub 3-0:1.0: USB hub found [ 700.208632] hub 3-0:1.0: 8 ports detected 2018/11/12 11:31:48 executed programs: 98 [ 705.627249] hub 3-0:1.0: USB hub found [ 705.632608] hub 3-0:1.0: 8 ports detected [ 706.200611] hub 3-0:1.0: USB hub found [ 706.208862] hub 3-0:1.0: 8 ports detected [ 706.623350] hub 3-0:1.0: USB hub found [ 706.629411] hub 3-0:1.0: 8 ports detected 2018/11/12 11:31:53 executed programs: 260 [ 707.725289] hub 3-0:1.0: USB hub found [ 707.735063] hub 3-0:1.0: 8 ports detected [ 709.305338] hub 3-0:1.0: USB hub found [ 709.311604] hub 3-0:1.0: 8 ports detected [ 712.290065] hub 3-0:1.0: USB hub found [ 712.294819] hub 3-0:1.0: 8 ports detected 2018/11/12 11:31:58 executed programs: 422 [ 714.167077] hub 3-0:1.0: USB hub found [ 714.173164] hub 3-0:1.0: 8 ports detected [ 715.791836] hub 3-0:1.0: USB hub found [ 715.797288] hub 3-0:1.0: 8 ports detected [ 717.085477] hub 3-0:1.0: USB hub found [ 717.092110] hub 3-0:1.0: 8 ports detected [ 717.267885] hub 3-0:1.0: USB hub found [ 717.272746] hub 3-0:1.0: 8 ports detected 2018/11/12 11:32:03 executed programs: 583 [ 718.449261] hub 3-0:1.0: USB hub found [ 718.458939] hub 3-0:1.0: 8 ports detected [ 718.852919] hub 3-0:1.0: USB hub found [ 718.860563] hub 3-0:1.0: 8 ports detected [ 719.137372] hub 3-0:1.0: USB hub found [ 719.143394] hub 3-0:1.0: 8 ports detected [ 720.624364] hub 3-0:1.0: USB hub found [ 720.631969] hub 3-0:1.0: 8 ports detected [ 721.295402] hub 3-0:1.0: USB hub found [ 721.303247] hub 3-0:1.0: 8 ports detected [ 721.448052] hub 3-0:1.0: USB hub found [ 721.454372] hub 3-0:1.0: 8 ports detected [ 721.548676] hub 3-0:1.0: USB hub found [ 721.554161] hub 3-0:1.0: 8 ports detected 2018/11/12 11:32:08 executed programs: 740 [ 723.990534] hub 3-0:1.0: USB hub found [ 723.995339] hub 3-0:1.0: 8 ports detected [ 725.185308] hub 3-0:1.0: USB hub found [ 725.195036] hub 3-0:1.0: 8 ports detected 2018/11/12 11:32:13 executed programs: 912 [ 728.495830] hub 3-0:1.0: USB hub found [ 728.500750] hub 3-0:1.0: 8 ports detected [ 729.656380] hub 3-0:1.0: USB hub found [ 729.661948] hub 3-0:1.0: 8 ports detected [ 730.795627] hub 3-0:1.0: USB hub found [ 730.801847] hub 3-0:1.0: 8 ports detected [ 730.876369] hub 3-0:1.0: USB hub found [ 730.881784] hub 3-0:1.0: 8 ports detected [ 731.038261] ------------[ cut here ]------------ [ 731.043125] URB 000000004cfcdf9b submitted while active [ 731.049378] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:363 usb_submit_urb+0x11cf/0x14e0 [ 731.058123] Kernel panic - not syncing: panic_on_warn set ... [ 731.063993] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 4.20.0-rc1+ #111 [ 731.070899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 731.080245] Workqueue: events_power_efficient hub_init_func2 [ 731.086022] Call Trace: [ 731.088594] dump_stack+0x244/0x39d [ 731.092212] ? dump_stack_print_info.cold.1+0x20/0x20 [ 731.097411] panic+0x2ad/0x55c [ 731.100591] ? add_taint.cold.5+0x16/0x16 [ 731.104732] ? __warn.cold.8+0x5/0x45 [ 731.108525] ? __warn+0xe8/0x1d0 [ 731.111890] ? usb_submit_urb+0x11cf/0x14e0 [ 731.116200] __warn.cold.8+0x20/0x45 [ 731.119901] ? rcu_softirq_qs+0x20/0x20 [ 731.123875] ? usb_submit_urb+0x11cf/0x14e0 [ 731.128187] report_bug+0x254/0x2d0 [ 731.131803] do_error_trap+0x11b/0x200 [ 731.135697] do_invalid_op+0x36/0x40 [ 731.139411] ? usb_submit_urb+0x11cf/0x14e0 [ 731.143719] invalid_op+0x14/0x20 [ 731.147173] RIP: 0010:usb_submit_urb+0x11cf/0x14e0 [ 731.152097] Code: ee e8 95 62 7b fc 45 84 ed 0f 85 e2 f6 ff ff e8 b7 61 7b fc 48 89 de 48 c7 c7 a0 32 92 88 c6 05 d4 45 0d 05 01 e8 11 c5 44 fc <0f> 0b e9 c0 f6 ff ff c7 45 a0 01 00 00 00 e9 65 f7 ff ff 41 bc ed [ 731.171039] RSP: 0018:ffff8881d9b1f4f0 EFLAGS: 00010282 [ 731.176385] RAX: 0000000000000000 RBX: ffff8881d1272b00 RCX: 0000000000000000 [ 731.183657] RDX: 0000000000000000 RSI: ffffffff8165e7e5 RDI: 0000000000000005 [ 731.190924] RBP: ffff8881d9b1f560 R08: ffff8881d9b0e300 R09: ffffed103b5c5020 [ 731.198179] R10: ffffed103b5c5020 R11: ffff8881dae28107 R12: 00000000fffffff0 [ 731.205432] R13: 0000000000000000 R14: 0000000000000009 R15: ffff8881d9b1f6f8 [ 731.212699] ? vprintk_func+0x85/0x181 [ 731.216584] hub_activate+0xcab/0x1940 [ 731.220465] ? hub_power_on+0x230/0x230 [ 731.224432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 731.229958] ? logic_pio_register_range+0x570/0x840 [ 731.234963] ? __lock_is_held+0xb5/0x140 [ 731.239013] hub_init_func2+0x1e/0x30 [ 731.242799] process_one_work+0xc90/0x1c40 [ 731.247019] ? mark_held_locks+0x130/0x130 [ 731.251263] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 731.255931] ? __switch_to_asm+0x40/0x70 [ 731.259998] ? __switch_to_asm+0x34/0x70 [ 731.264071] ? __switch_to_asm+0x40/0x70 [ 731.268144] ? __switch_to_asm+0x34/0x70 [ 731.272186] ? __switch_to_asm+0x40/0x70 [ 731.276242] ? __switch_to_asm+0x34/0x70 [ 731.280286] ? __switch_to_asm+0x40/0x70 [ 731.284334] ? __schedule+0x8d7/0x21d0 [ 731.288215] ? lock_downgrade+0x900/0x900 [ 731.292352] ? zap_class+0x640/0x640 [ 731.296072] ? find_held_lock+0x36/0x1c0 [ 731.300137] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 731.304729] ? lock_acquire+0x1ed/0x520 [ 731.308701] ? worker_thread+0x3e0/0x1390 [ 731.312836] ? kasan_check_read+0x11/0x20 [ 731.316972] ? do_raw_spin_lock+0x14f/0x350 [ 731.321288] ? kasan_check_read+0x11/0x20 [ 731.325428] ? rwlock_bug.part.2+0x90/0x90 [ 731.329649] ? trace_hardirqs_on+0x310/0x310 [ 731.334065] worker_thread+0x17f/0x1390 [ 731.338044] ? __switch_to_asm+0x34/0x70 [ 731.342111] ? process_one_work+0x1c40/0x1c40 [ 731.346597] ? __sched_text_start+0x8/0x8 [ 731.350738] ? __kthread_parkme+0xce/0x1a0 [ 731.354957] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 731.360044] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 731.365139] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 731.369708] ? trace_hardirqs_on+0xbd/0x310 [ 731.374039] ? kasan_check_read+0x11/0x20 [ 731.378192] ? __kthread_parkme+0xce/0x1a0 [ 731.382414] ? trace_hardirqs_off_caller+0x310/0x310 [ 731.387509] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 731.392598] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 731.398150] ? __kthread_parkme+0xfb/0x1a0 [ 731.402385] ? process_one_work+0x1c40/0x1c40 [ 731.406873] kthread+0x35a/0x440 [ 731.410232] ? kthread_stop+0x900/0x900 [ 731.414203] ret_from_fork+0x3a/0x50 [ 731.418948] Kernel Offset: disabled [ 731.422609] Rebooting in 86400 seconds..