[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 77.171402][ T27] audit: type=1800 audit(1578334207.824:25): pid=9557 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 77.192771][ T27] audit: type=1800 audit(1578334207.824:26): pid=9557 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 77.262561][ T27] audit: type=1800 audit(1578334207.824:27): pid=9557 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 '10.128.1.58' (ECDSA) to the list of known hosts. syzkaller login: [ 89.170823][ T9712] IPVS: ftp: loaded support on port[0] = 21 [ 89.230133][ T9712] chnl_net:caif_netlink_parms(): no params data found [ 89.261139][ T9712] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.268877][ T9712] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.277241][ T9712] device bridge_slave_0 entered promiscuous mode [ 89.285931][ T9712] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.293492][ T9712] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.301795][ T9712] device bridge_slave_1 entered promiscuous mode [ 89.320505][ T9712] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 89.331670][ T9712] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 89.351726][ T9712] team0: Port device team_slave_0 added [ 89.361272][ T9712] team0: Port device team_slave_1 added [ 89.424795][ T9712] device hsr_slave_0 entered promiscuous mode [ 89.472822][ T9712] device hsr_slave_1 entered promiscuous mode [ 89.574502][ T9712] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 89.605236][ T9712] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 89.665296][ T9712] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 89.715919][ T9712] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 89.772689][ T9712] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.779821][ T9712] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.787658][ T9712] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.794780][ T9712] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.835991][ T9712] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.849503][ T2633] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 89.860563][ T2633] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.879739][ T2633] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.888385][ T2633] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 89.900593][ T9712] 8021q: adding VLAN 0 to HW filter on device team0 [ 89.911402][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 89.920036][ T2677] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.927143][ T2677] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.938408][ T2633] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 89.947714][ T2633] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.954807][ T2633] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.973959][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 89.983850][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 89.994890][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 90.011635][ T9712] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 90.022315][ T9712] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 90.035080][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 90.045554][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 90.054270][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 90.072641][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 90.080073][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 90.091365][ T9712] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 90.113478][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 90.133403][ T2633] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready executing program [ 90.141758][ T2633] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 90.150166][ T2633] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 90.160587][ T9712] device veth0_vlan entered promiscuous mode [ 90.173264][ T9712] device veth1_vlan entered promiscuous mode [ 90.189483][ T9712] netlink: 80 bytes leftover after parsing attributes in process `syz-executor065'. [ 90.200029][ T9712] netlink: 80 bytes leftover after parsing attributes in process `syz-executor065'. [ 90.223160][ T2633] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 90.232314][ T2633] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 90.252844][ C1] divide error: 0000 [#1] PREEMPT SMP KASAN [ 90.258766][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.5.0-rc5-syzkaller #0 [ 90.266657][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.276988][ C1] RIP: 0010:tabledist.part.0+0x13f/0x170 [ 90.282597][ C1] Code: e8 48 83 c4 08 5b 41 5c 41 5d 41 5e 5d c3 e8 a8 09 28 fb 48 81 eb 00 10 00 00 eb a5 e8 9a 09 28 fb 43 8d 0c 24 44 89 f0 31 d2 f1 4d 29 e5 49 01 d5 eb c5 48 89 df e8 8f c2 65 fb e9 0d ff ff [ 90.302367][ C1] RSP: 0018:ffffc90000da7f38 EFLAGS: 00010246 [ 90.308440][ C1] RAX: 000000006bf23c59 RBX: 0000000000000000 RCX: 0000000000000000 [ 90.316409][ C1] RDX: 0000000000000000 RSI: ffffffff864d2396 RDI: 0000000000000005 [ 90.324367][ C1] RBP: ffffc90000da7f60 R08: ffff8880a99fc340 R09: ffffed1015d2703d [ 90.332359][ C1] R10: ffffed1015d2703c R11: ffff8880ae9381e3 R12: ffffffff80000000 [ 90.340338][ C1] R13: 0000000000000000 R14: 000000006bf23c59 R15: ffff88809480f000 [ 90.348300][ C1] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 90.358085][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.364658][ C1] CR2: 00005578b0132100 CR3: 0000000094712000 CR4: 00000000001406e0 [ 90.372614][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 90.380593][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 90.388579][ C1] Call Trace: [ 90.391844][ C1] [ 90.394694][ C1] netem_enqueue+0x416/0x2e10 [ 90.399371][ C1] ? lock_acquire+0x190/0x410 [ 90.404041][ C1] __dev_queue_xmit+0x152e/0x35c0 [ 90.409144][ C1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 90.415364][ C1] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 90.420639][ C1] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 90.426858][ C1] ? br_nf_post_routing+0xd5f/0x1d10 [ 90.432136][ C1] ? br_forward_finish+0x235/0x3f0 [ 90.437235][ C1] ? find_held_lock+0x35/0x130 [ 90.441977][ C1] ? br_forward_finish+0x235/0x3f0 [ 90.447071][ C1] dev_queue_xmit+0x18/0x20 [ 90.451563][ C1] ? dev_queue_xmit+0x18/0x20 [ 90.456218][ C1] br_dev_queue_push_xmit+0x3f3/0x5e0 [ 90.461565][ C1] ? __kasan_check_read+0x11/0x20 [ 90.466566][ C1] br_forward_finish+0xfa/0x3f0 [ 90.471408][ C1] ? br_dev_queue_push_xmit+0x5e0/0x5e0 [ 90.476936][ C1] ? br_fdb_add.cold+0x87/0x87 [ 90.481677][ C1] ? __kasan_check_read+0x11/0x20 [ 90.486689][ C1] __br_forward+0x63c/0xaf0 [ 90.491172][ C1] ? br_forward_finish+0x3f0/0x3f0 [ 90.496262][ C1] ? br_dev_queue_push_xmit+0x5e0/0x5e0 [ 90.501790][ C1] deliver_clone+0x61/0xc0 [ 90.506201][ C1] maybe_deliver+0x2c7/0x390 [ 90.510776][ C1] br_flood+0x13a/0x3d0 [ 90.514909][ C1] br_dev_xmit+0x98c/0x1590 [ 90.519386][ C1] ? br_poll_controller+0x10/0x10 [ 90.524389][ C1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 90.530577][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 90.536118][ C1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 90.542214][ C1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 90.548378][ C1] dev_hard_start_xmit+0x1a3/0x9b0 [ 90.553479][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.559712][ C1] __dev_queue_xmit+0x2b05/0x35c0 [ 90.564721][ C1] ? __kasan_check_read+0x11/0x20 [ 90.569729][ C1] ? __lock_acquire+0x16f2/0x4a00 [ 90.574734][ C1] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 90.580016][ C1] ? __kasan_check_read+0x11/0x20 [ 90.585025][ C1] ? mark_lock+0xc2/0x1220 [ 90.589427][ C1] ? mark_held_locks+0xa4/0xf0 [ 90.594174][ C1] ? ip6_finish_output2+0xc98/0x25c0 [ 90.600313][ C1] ? __ip6_finish_output+0x444/0xaa0 [ 90.605638][ C1] ? ip6_finish_output2+0xc98/0x25c0 [ 90.610927][ C1] dev_queue_xmit+0x18/0x20 [ 90.615427][ C1] ? dev_queue_xmit+0x18/0x20 [ 90.620113][ C1] ip6_finish_output2+0xfbe/0x25c0 [ 90.625228][ C1] ? ip6_frag_next+0xb20/0xb20 [ 90.629983][ C1] ? rcu_read_lock_held+0x9c/0xb0 [ 90.634985][ C1] ? __kasan_check_read+0x11/0x20 [ 90.640012][ C1] __ip6_finish_output+0x444/0xaa0 [ 90.645099][ C1] ? __ip6_finish_output+0x444/0xaa0 [ 90.650358][ C1] ip6_finish_output+0x38/0x1f0 [ 90.655185][ C1] ip6_output+0x25e/0x880 [ 90.659490][ C1] ? ip6_finish_output+0x1f0/0x1f0 [ 90.664577][ C1] ? __local_bh_enable_ip+0x15a/0x270 [ 90.669924][ C1] ? __ip6_finish_output+0xaa0/0xaa0 [ 90.675181][ C1] ? xfrm_lookup+0x38/0x50 [ 90.679583][ C1] mld_sendpack+0x9c2/0xed0 [ 90.684065][ C1] ? nf_hook.constprop.0+0x560/0x560 [ 90.689327][ C1] ? mld_ifc_timer_expire+0x43e/0x950 [ 90.695383][ C1] ? __local_bh_enable_ip+0x15a/0x270 [ 90.700726][ C1] mld_ifc_timer_expire+0x454/0x950 [ 90.705898][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 90.711441][ C1] call_timer_fn+0x1ac/0x780 [ 90.716010][ C1] ? mld_dad_timer_expire+0x230/0x230 [ 90.721364][ C1] ? msleep_interruptible+0x150/0x150 [ 90.726954][ C1] ? run_timer_softirq+0x6b1/0x1790 [ 90.732136][ C1] ? trace_hardirqs_on+0x67/0x240 [ 90.737142][ C1] ? mld_dad_timer_expire+0x230/0x230 [ 90.742489][ C1] ? mld_dad_timer_expire+0x230/0x230 [ 90.747844][ C1] run_timer_softirq+0x6c3/0x1790 [ 90.752952][ C1] ? add_timer+0x930/0x930 [ 90.757356][ C1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 90.763493][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 90.769034][ C1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 90.775005][ C1] ? trace_hardirqs_on+0x67/0x240 [ 90.780026][ C1] __do_softirq+0x262/0x98c [ 90.784510][ C1] ? sched_clock_cpu+0x1b/0x1b0 [ 90.789344][ C1] irq_exit+0x19b/0x1e0 [ 90.793486][ C1] smp_apic_timer_interrupt+0x1a3/0x610 [ 90.799042][ C1] apic_timer_interrupt+0xf/0x20 [ 90.803966][ C1] [ 90.806885][ C1] RIP: 0010:native_safe_halt+0xe/0x10 [ 90.812247][ C1] Code: 78 94 db f9 eb 8a cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d c4 24 51 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d b4 24 51 00 fb f4 cc 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 9e 68 8b f9 e8 09 [ 90.831841][ C1] RSP: 0018:ffffc90000d3fd68 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 90.840288][ C1] RAX: 1ffffffff132669e RBX: ffff8880a99fc340 RCX: 0000000000000000 [ 90.848247][ C1] RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffff8880a99fcbd4 [ 90.856200][ C1] RBP: ffffc90000d3fd98 R08: ffff8880a99fc340 R09: 0000000000000000 [ 90.864158][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 [ 90.872107][ C1] R13: ffffffff8a7bb380 R14: 0000000000000000 R15: 0000000000000001 [ 90.880070][ C1] ? default_idle+0x4e/0x360 [ 90.884656][ C1] arch_cpu_idle+0xa/0x10 [ 90.889046][ C1] default_idle_call+0x84/0xb0 [ 90.893788][ C1] do_idle+0x3c8/0x6e0 [ 90.897834][ C1] ? arch_cpu_idle_exit+0x80/0x80 [ 90.902921][ C1] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 90.908711][ C1] ? complete+0x61/0x80 [ 90.912842][ C1] cpu_startup_entry+0x1b/0x20 [ 90.917583][ C1] start_secondary+0x2f4/0x410 [ 90.922331][ C1] ? set_cpu_sibling_map+0x2140/0x2140 [ 90.927778][ C1] secondary_startup_64+0xa4/0xb0 [ 90.932806][ C1] Modules linked in: [ 90.936755][ C1] ---[ end trace 54b59d00101d2bee ]--- [ 90.942233][ C1] RIP: 0010:tabledist.part.0+0x13f/0x170 [ 90.947885][ C1] Code: e8 48 83 c4 08 5b 41 5c 41 5d 41 5e 5d c3 e8 a8 09 28 fb 48 81 eb 00 10 00 00 eb a5 e8 9a 09 28 fb 43 8d 0c 24 44 89 f0 31 d2 f1 4d 29 e5 49 01 d5 eb c5 48 89 df e8 8f c2 65 fb e9 0d ff ff [ 90.967501][ C1] RSP: 0018:ffffc90000da7f38 EFLAGS: 00010246 [ 90.973568][ C1] RAX: 000000006bf23c59 RBX: 0000000000000000 RCX: 0000000000000000 [ 90.981537][ C1] RDX: 0000000000000000 RSI: ffffffff864d2396 RDI: 0000000000000005 [ 90.989497][ C1] RBP: ffffc90000da7f60 R08: ffff8880a99fc340 R09: ffffed1015d2703d [ 90.997496][ C1] R10: ffffed1015d2703c R11: ffff8880ae9381e3 R12: ffffffff80000000 [ 91.005732][ C1] R13: 0000000000000000 R14: 000000006bf23c59 R15: ffff88809480f000 [ 91.013713][ C1] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 91.022651][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.029216][ C1] CR2: 00005578b0132100 CR3: 0000000094712000 CR4: 00000000001406e0 [ 91.037621][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.045588][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.053553][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 91.061847][ C1] Kernel Offset: disabled [ 91.066173][ C1] Rebooting in 86400 seconds..