[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 56.948557][ T26] audit: type=1800 audit(1568228559.597:25): pid=8701 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 56.995220][ T26] audit: type=1800 audit(1568228559.597:26): pid=8701 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 57.037066][ T26] audit: type=1800 audit(1568228559.607:27): pid=8701 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.43' (ECDSA) to the list of known hosts. syzkaller login: [ 75.953133][ T8856] IPVS: ftp: loaded support on port[0] = 21 [ 76.019235][ T8856] chnl_net:caif_netlink_parms(): no params data found [ 76.047091][ T8856] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.054622][ T8856] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.062856][ T8856] device bridge_slave_0 entered promiscuous mode [ 76.071217][ T8856] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.078438][ T8856] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.086487][ T8856] device bridge_slave_1 entered promiscuous mode [ 76.103341][ T8856] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.114279][ T8856] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.133585][ T8856] team0: Port device team_slave_0 added [ 76.141338][ T8856] team0: Port device team_slave_1 added [ 76.198391][ T8856] device hsr_slave_0 entered promiscuous mode [ 76.246026][ T8856] device hsr_slave_1 entered promiscuous mode [ 76.293640][ T8856] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.301080][ T8856] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.309151][ T8856] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.316284][ T8856] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.350799][ T8856] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.362585][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.383339][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.392141][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.401370][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 76.412644][ T8856] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.423730][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.432514][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.439856][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.456060][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.464846][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.471965][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.483248][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.492786][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.506169][ T3503] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.520626][ T8856] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 76.531831][ T8856] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.545418][ T3503] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready executing program [ 76.554220][ T3503] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.563111][ T3503] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.581913][ T8856] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.845835][ C0] ------------[ cut here ]------------ [ 76.851584][ C0] cbs: dequeue() called with unknown port rate. [ 76.851875][ C0] WARNING: CPU: 0 PID: 8739 at net/sched/sch_cbs.c:185 cbs_dequeue_soft+0x37e/0x4b0 [ 76.867467][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 76.874040][ C0] CPU: 0 PID: 8739 Comm: rsyslogd Not tainted 5.3.0-rc6-next-20190830 #75 [ 76.882612][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.892654][ C0] Call Trace: [ 76.895919][ C0] [ 76.898759][ C0] dump_stack+0x172/0x1f0 [ 76.903083][ C0] ? cbs_dequeue_soft+0x310/0x4b0 [ 76.908096][ C0] panic+0x2dc/0x755 [ 76.911986][ C0] ? add_taint.cold+0x16/0x16 [ 76.916663][ C0] ? __kasan_check_write+0x14/0x20 [ 76.921771][ C0] ? __warn.cold+0x14/0x3c [ 76.926175][ C0] ? __warn+0xd9/0x1d0 [ 76.930300][ C0] ? cbs_dequeue_soft+0x37e/0x4b0 [ 76.935305][ C0] __warn.cold+0x2f/0x3c [ 76.939529][ C0] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 76.945228][ C0] ? cbs_dequeue_soft+0x37e/0x4b0 [ 76.950240][ C0] report_bug+0x289/0x300 [ 76.954574][ C0] do_error_trap+0x11b/0x200 [ 76.959168][ C0] do_invalid_op+0x37/0x50 [ 76.963640][ C0] ? cbs_dequeue_soft+0x37e/0x4b0 [ 76.968664][ C0] invalid_op+0x23/0x30 [ 76.972815][ C0] RIP: 0010:cbs_dequeue_soft+0x37e/0x4b0 [ 76.978430][ C0] Code: 1d 2c b3 f5 03 31 ff 89 de e8 fe 6d a6 fb 84 db 75 1a e8 b5 6c a6 fb 48 c7 c7 80 7d 4a 88 c6 05 0c b3 f5 03 01 e8 0a bb 77 fb <0f> 0b 45 31 e4 eb b1 49 bc ff ff ff ff ff ff ff 7f 48 89 55 d0 e8 [ 76.998264][ C0] RSP: 0018:ffff8880ae8095b8 EFLAGS: 00010282 [ 77.004314][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 77.012279][ C0] RDX: 0000000000000100 RSI: ffffffff815bf786 RDI: ffffed1015d012a9 [ 77.020249][ C0] RBP: ffff8880ae809600 R08: ffff888096f925c0 R09: fffffbfff14ed341 [ 77.028654][ C0] R10: fffffbfff14ed340 R11: ffffffff8a769a07 R12: ffff8880950ec000 [ 77.036621][ C0] R13: ffff8880950ecac8 R14: 00000011e23f6fc3 R15: ffffffffffffffff [ 77.044621][ C0] ? vprintk_func+0x86/0x189 [ 77.049203][ C0] ? cbs_dequeue_soft+0x37e/0x4b0 [ 77.054223][ C0] ? mark_held_locks+0xf0/0xf0 [ 77.058966][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.065331][ C0] cbs_dequeue+0x34/0x40 [ 77.069574][ C0] __qdisc_run+0x1e7/0x19d0 [ 77.074061][ C0] ? dev_queue_xmit+0x18/0x20 [ 77.078732][ C0] __dev_queue_xmit+0x16f1/0x37c0 [ 77.083737][ C0] ? __kasan_check_read+0x11/0x20 [ 77.088859][ C0] ? __lock_acquire+0x16f2/0x4a00 [ 77.093875][ C0] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 77.099159][ C0] ? __kasan_check_read+0x11/0x20 [ 77.104175][ C0] ? mark_lock+0xc2/0x1220 [ 77.108575][ C0] ? mark_held_locks+0xa4/0xf0 [ 77.113323][ C0] ? ip6_finish_output2+0xc40/0x2550 [ 77.118588][ C0] ? __ip6_finish_output+0x444/0xaa0 [ 77.123864][ C0] ? ip6_finish_output2+0xc40/0x2550 [ 77.129145][ C0] dev_queue_xmit+0x18/0x20 [ 77.133646][ C0] ? dev_queue_xmit+0x18/0x20 [ 77.138394][ C0] ip6_finish_output2+0xf58/0x2550 [ 77.143499][ C0] ? ip6_forward_finish+0x570/0x570 [ 77.149728][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.155954][ C0] ? __kasan_check_read+0x11/0x20 [ 77.160963][ C0] __ip6_finish_output+0x444/0xaa0 [ 77.166077][ C0] ? __ip6_finish_output+0x444/0xaa0 [ 77.171356][ C0] ip6_finish_output+0x38/0x1f0 [ 77.176187][ C0] ip6_output+0x235/0x7f0 [ 77.180515][ C0] ? ip6_finish_output+0x1f0/0x1f0 [ 77.185617][ C0] ? __ip6_finish_output+0xaa0/0xaa0 [ 77.190904][ C0] ? icmp6_dst_alloc+0x432/0x660 [ 77.195843][ C0] mld_sendpack+0x9c7/0xed0 [ 77.200333][ C0] ? nf_hook.constprop.0+0x560/0x560 [ 77.205610][ C0] ? mld_ifc_timer_expire+0x437/0x8a0 [ 77.211081][ C0] ? __local_bh_enable_ip+0x15a/0x270 [ 77.216431][ C0] mld_ifc_timer_expire+0x449/0x8a0 [ 77.221697][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.227238][ C0] call_timer_fn+0x1ac/0x780 [ 77.231814][ C0] ? mld_dad_timer_expire+0x1c0/0x1c0 [ 77.237163][ C0] ? msleep_interruptible+0x150/0x150 [ 77.242508][ C0] ? run_timer_softirq+0x6ae/0x17f0 [ 77.247685][ C0] ? trace_hardirqs_on+0x67/0x240 [ 77.252699][ C0] ? __kasan_check_read+0x11/0x20 [ 77.257701][ C0] ? mld_dad_timer_expire+0x1c0/0x1c0 [ 77.263060][ C0] ? mld_dad_timer_expire+0x1c0/0x1c0 [ 77.268468][ C0] run_timer_softirq+0x6c0/0x17f0 [ 77.273473][ C0] ? add_timer+0x930/0x930 [ 77.277870][ C0] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 77.284051][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.289586][ C0] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 77.295556][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.301809][ C0] __do_softirq+0x262/0x98c [ 77.306325][ C0] ? sched_clock_cpu+0x1b/0x1b0 [ 77.311182][ C0] irq_exit+0x19b/0x1e0 [ 77.315340][ C0] smp_apic_timer_interrupt+0x1a3/0x610 [ 77.320956][ C0] apic_timer_interrupt+0xf/0x20 [ 77.325968][ C0] [ 77.328916][ C0] RIP: 0010:qlist_free_all+0x10c/0x150 [ 77.334355][ C0] Code: 50 08 48 8d 4a ff 83 e2 01 48 0f 45 c1 4c 8b 78 18 e9 37 ff ff ff e8 43 97 ca ff 48 83 3d 0b b2 45 07 00 74 39 48 89 df 57 9d <0f> 1f 44 00 00 4d 85 ed 75 96 49 c7 46 08 00 00 00 00 49 c7 06 00 [ 77.354124][ C0] RSP: 0018:ffff88808f14fa48 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 77.362613][ C0] RAX: 0000000000000007 RBX: 0000000000000282 RCX: 0000000000000006 [ 77.370568][ C0] RDX: 0000000000000000 RSI: ffff888096f92e88 RDI: 0000000000000282 [ 77.378586][ C0] RBP: ffff88808f14fa78 R08: 1ffffffff14ed33d R09: fffffbfff14ed33e [ 77.386603][ C0] R10: fffffbfff14ed33d R11: ffffffff8a7699ef R12: 0000000000000000 [ 77.394582][ C0] R13: ffff8880a7ecf280 R14: ffff88808f14fa88 R15: ffff8880aa402000 [ 77.402557][ C0] quarantine_reduce+0x15e/0x1a0 [ 77.407488][ C0] __kasan_kmalloc.constprop.0+0xa3/0xe0 [ 77.413125][ C0] kasan_slab_alloc+0xf/0x20 [ 77.417718][ C0] kmem_cache_alloc_trace+0x141/0x790 [ 77.423101][ C0] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 77.428903][ C0] do_syslog+0x5fa/0x1820 [ 77.433232][ C0] ? log_buf_vmcoreinfo_setup+0x140/0x140 [ 77.438939][ C0] ? finish_wait+0x260/0x260 [ 77.443514][ C0] ? fsnotify+0x80b/0xbc0 [ 77.447835][ C0] ? kmsg_poll+0xb0/0xb0 [ 77.452057][ C0] kmsg_read+0x8f/0xc0 [ 77.456117][ C0] proc_reg_read+0x1fc/0x2c0 [ 77.460695][ C0] ? proc_reg_compat_ioctl+0x2a0/0x2a0 [ 77.466148][ C0] ? security_file_permission+0x8f/0x380 [ 77.471780][ C0] __vfs_read+0x8a/0x110 [ 77.476003][ C0] ? proc_reg_compat_ioctl+0x2a0/0x2a0 [ 77.481442][ C0] vfs_read+0x1f0/0x440 [ 77.485574][ C0] ksys_read+0x14f/0x290 [ 77.489802][ C0] ? kernel_write+0x130/0x130 [ 77.494456][ C0] ? do_syscall_64+0x26/0x760 [ 77.499111][ C0] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.505151][ C0] ? do_syscall_64+0x26/0x760 [ 77.509809][ C0] __x64_sys_read+0x73/0xb0 [ 77.514289][ C0] do_syscall_64+0xfa/0x760 [ 77.518780][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.524648][ C0] RIP: 0033:0x7ff7e7e591fd [ 77.529048][ C0] Code: d1 20 00 00 75 10 b8 00 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e fa ff ff 48 89 04 24 b8 00 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 a7 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 77.548635][ C0] RSP: 002b:00007ff7e53f8e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 77.557024][ C0] RAX: ffffffffffffffda RBX: 00000000013cb650 RCX: 00007ff7e7e591fd [ 77.564980][ C0] RDX: 0000000000000fff RSI: 00007ff7e6c2d5a0 RDI: 0000000000000004 [ 77.572951][ C0] RBP: 0000000000000000 R08: 00000000013b6260 R09: 0000000000000000 [ 77.580900][ C0] R10: 205b5d3534313938 R11: 0000000000000293 R12: 000000000065e420 [ 77.588937][ C0] R13: 00007ff7e53f99c0 R14: 00007ff7e849e040 R15: 0000000000000003 [ 77.598572][ C0] Kernel Offset: disabled [ 77.602980][ C0] Rebooting in 86400 seconds..