[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.244' (ECDSA) to the list of known hosts. syzkaller login: [ 58.552705][ T6861] IPVS: ftp: loaded support on port[0] = 21 [ 58.674690][ T6861] chnl_net:caif_netlink_parms(): no params data found [ 58.725366][ T6861] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.733007][ T6861] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.741307][ T6861] device bridge_slave_0 entered promiscuous mode [ 58.752092][ T6861] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.759506][ T6861] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.767058][ T6861] device bridge_slave_1 entered promiscuous mode [ 58.786705][ T6861] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.797517][ T6861] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.820774][ T6861] team0: Port device team_slave_0 added [ 58.827998][ T6861] team0: Port device team_slave_1 added [ 58.845213][ T6861] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.852291][ T6861] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 58.878224][ T6861] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.890967][ T6861] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.897900][ T6861] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 58.923890][ T6861] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.949175][ T6861] device hsr_slave_0 entered promiscuous mode [ 58.955805][ T6861] device hsr_slave_1 entered promiscuous mode [ 59.048606][ T6861] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.058519][ T6861] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.068348][ T6861] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.079449][ T6861] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.102752][ T6861] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.109934][ T6861] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.117551][ T6861] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.124681][ T6861] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.167995][ T6861] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.182020][ T6767] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.193155][ T6767] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.201675][ T6767] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.211001][ T6767] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 59.223849][ T6861] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.235134][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.244704][ T2940] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.251822][ T2940] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.269360][ T6767] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.277857][ T6767] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.284976][ T6767] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.306251][ T6861] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.317957][ T6861] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.332352][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.340857][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.350482][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.360899][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.369278][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.377047][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.395408][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.402910][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.416864][ T6861] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.435441][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.455894][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.464587][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.472951][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.483478][ T6861] device veth0_vlan entered promiscuous mode [ 59.495929][ T6861] device veth1_vlan entered promiscuous mode [ 59.517405][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.527076][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.535834][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.547004][ T6861] device veth0_macvtap entered promiscuous mode [ 59.557807][ T6861] device veth1_macvtap entered promiscuous mode [ 59.577866][ T6861] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.586998][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.596776][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.610037][ T6861] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.617745][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 59.631265][ T6861] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.640310][ T6861] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.649136][ T6861] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.658116][ T6861] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.699272][ C1] divide_error: 0000 [#1] PREEMPT SMP KASAN [ 59.705177][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.8.0-syzkaller #0 [ 59.712693][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.722752][ C1] RIP: 0010:tabledist.part.0+0x22a/0x2a0 [ 59.728360][ C1] Code: 4c 01 f0 48 c1 e8 20 41 89 45 00 41 89 c6 e8 ed 84 0f fb 48 85 db 0f 85 6d fe ff ff e8 df 84 0f fb 8d 4c 2d 00 44 89 f0 31 d2 f1 49 29 ec 49 01 d4 e9 2b ff ff ff e8 c4 84 0f fb 48 81 eb 00 [ 59.747948][ C1] RSP: 0018:ffffc90000da8078 EFLAGS: 00010246 [ 59.753990][ C1] RAX: 000000007c1f4e38 RBX: 0000000000000000 RCX: 0000000000000000 [ 59.762071][ C1] RDX: 0000000000000000 RSI: ffffffff8664c7a1 RDI: 0000000000000005 [ 59.770038][ C1] RBP: ffffffff80000000 R08: 0000000000000000 R09: ffffffff8ab1fe8f [ 59.778031][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 59.785994][ C1] R13: ffff88809273737c R14: 000000007c1f4e38 R15: 0000000000000000 [ 59.793943][ C1] FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 59.802857][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.809413][ C1] CR2: 0000000020000080 CR3: 0000000009a8d000 CR4: 00000000001506e0 [ 59.817361][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.825307][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.833337][ C1] Call Trace: [ 59.836600][ C1] [ 59.839433][ C1] netem_enqueue+0x45e/0x350f [ 59.844087][ C1] ? lock_release+0x8e0/0x8e0 [ 59.848751][ C1] ? do_raw_spin_lock+0x120/0x2b0 [ 59.853747][ C1] ? netem_dump+0x1120/0x1120 [ 59.858408][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 59.863508][ C1] __dev_queue_xmit+0x1878/0x2d60 [ 59.868526][ C1] ? lock_acquire+0x1f1/0xad0 [ 59.873198][ C1] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 59.878457][ C1] ? mark_lock+0xbc/0x1710 [ 59.882847][ C1] ? mark_held_locks+0x9f/0xe0 [ 59.887610][ C1] ? ip_finish_output2+0x12f7/0x21f0 [ 59.892881][ C1] ? lockdep_hardirqs_on_prepare+0x19c/0x530 [ 59.898836][ C1] ip_finish_output2+0x1523/0x21f0 [ 59.903935][ C1] ? ip_frag_next+0x9a0/0x9a0 [ 59.908603][ C1] __ip_finish_output+0x779/0xcb0 [ 59.913601][ C1] ? ip_fragment.constprop.0+0x240/0x240 [ 59.919210][ C1] ? __ip_finish_output+0xcb0/0xcb0 [ 59.924406][ C1] ? lock_is_held_type+0xbb/0xf0 [ 59.929318][ C1] ip_finish_output+0x34/0x1f0 [ 59.934061][ C1] ip_output+0x196/0x310 [ 59.938277][ C1] ip_local_out+0xaf/0x1a0 [ 59.942683][ C1] iptunnel_xmit+0x5a0/0x9b0 [ 59.947245][ C1] ? erspan_xmit+0x1490/0x2760 [ 59.951986][ C1] geneve_xmit+0x11a2/0x2d30 [ 59.956566][ C1] ? geneve_fill_metadata_dst+0x910/0x910 [ 59.962279][ C1] ? skb_crc32c_csum_help+0x70/0x70 [ 59.967467][ C1] ? lock_acquire+0x1f1/0xad0 [ 59.972117][ C1] ? __dev_queue_xmit+0x1da/0x2d60 [ 59.977222][ C1] ? lock_is_held_type+0xbb/0xf0 [ 59.982139][ C1] dev_hard_start_xmit+0x193/0x950 [ 59.987236][ C1] __dev_queue_xmit+0x2091/0x2d60 [ 59.992233][ C1] ? neigh_resolve_output+0x2ec/0x6a0 [ 59.997578][ C1] ? find_held_lock+0x2d/0x110 [ 60.002330][ C1] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 60.007588][ C1] ? mark_held_locks+0x9f/0xe0 [ 60.012341][ C1] ? read_seqcount_t_begin+0xdf/0x270 [ 60.017684][ C1] ? memcpy+0x39/0x60 [ 60.021640][ C1] neigh_resolve_output+0x3fe/0x6a0 [ 60.026813][ C1] ip6_finish_output2+0x8b6/0x17b0 [ 60.031923][ C1] __ip6_finish_output+0x447/0xab0 [ 60.037015][ C1] ip6_finish_output+0x34/0x1f0 [ 60.041844][ C1] ip6_output+0x1db/0x520 [ 60.046148][ C1] mld_sendpack+0x92a/0xdb0 [ 60.050627][ C1] ? igmp6_group_queried+0x370/0x370 [ 60.055891][ C1] ? __local_bh_enable_ip+0xd1/0x190 [ 60.061151][ C1] ? lockdep_hardirqs_on_prepare+0x19c/0x530 [ 60.067104][ C1] ? mld_ifc_timer_expire+0x5f8/0xf10 [ 60.072450][ C1] ? trace_hardirqs_on+0x5f/0x220 [ 60.077462][ C1] mld_ifc_timer_expire+0x60a/0xf10 [ 60.082653][ C1] call_timer_fn+0x1ac/0x760 [ 60.087225][ C1] ? mld_send_initial_cr.part.0+0x150/0x150 [ 60.093098][ C1] ? msleep_interruptible+0x130/0x130 [ 60.098444][ C1] ? lock_downgrade+0x830/0x830 [ 60.103278][ C1] ? _raw_spin_unlock_irq+0x1f/0x80 [ 60.108452][ C1] ? lockdep_hardirqs_on_prepare+0x19c/0x530 [ 60.114414][ C1] ? trace_hardirqs_on+0x5f/0x220 [ 60.119414][ C1] ? mld_send_initial_cr.part.0+0x150/0x150 [ 60.125299][ C1] __run_timers.part.0+0x67c/0xaa0 [ 60.130403][ C1] ? call_timer_fn+0x760/0x760 [ 60.135154][ C1] ? clockevents_program_event+0x12b/0x350 [ 60.140935][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 60.146113][ C1] ? sched_clock+0x2a/0x40 [ 60.150508][ C1] ? sched_clock_cpu+0x18/0x1b0 [ 60.155333][ C1] run_timer_softirq+0xae/0x1a0 [ 60.160161][ C1] __do_softirq+0x2de/0xa24 [ 60.164658][ C1] asm_call_on_stack+0xf/0x20 [ 60.169302][ C1] [ 60.172236][ C1] do_softirq_own_stack+0x9d/0xd0 [ 60.177238][ C1] irq_exit_rcu+0x1f3/0x230 [ 60.181715][ C1] sysvec_apic_timer_interrupt+0x51/0xf0 [ 60.187334][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 60.193299][ C1] RIP: 0010:native_safe_halt+0xe/0x10 [ 60.198641][ C1] Code: ff 4c 89 ef e8 a3 a6 bf f9 e9 8e fe ff ff 48 89 df e8 96 a6 bf f9 eb 8a cc cc cc cc e9 07 00 00 00 0f 00 2d b4 00 54 00 fb f4 90 e9 07 00 00 00 0f 00 2d a4 00 54 00 f4 c3 cc cc 55 53 e8 29 [ 60.218226][ C1] RSP: 0018:ffffc90000d3fd18 EFLAGS: 00000293 [ 60.224266][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff1563849 [ 60.232231][ C1] RDX: ffff8880a963c340 RSI: ffffffff87f4ba68 RDI: ffffffff87f4ba3e [ 60.240283][ C1] RBP: ffff8880a668e864 R08: 0000000000000001 R09: 0000000000000001 [ 60.248241][ C1] R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880a668e864 [ 60.256195][ C1] R13: 1ffff920001a7fad R14: ffff8880a668e865 R15: 0000000000000001 [ 60.264161][ C1] ? acpi_safe_halt+0x88/0x110 [ 60.268897][ C1] ? acpi_safe_halt+0x5e/0x110 [ 60.273634][ C1] acpi_safe_halt+0x8d/0x110 [ 60.278208][ C1] acpi_idle_do_entry+0x15c/0x1b0 [ 60.283213][ C1] acpi_idle_enter+0x403/0xac0 [ 60.288145][ C1] ? acpi_idle_enter_bm+0x2d0/0x2d0 [ 60.293317][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 60.299443][ C1] ? sched_clock+0x2a/0x40 [ 60.303842][ C1] ? sched_clock_cpu+0x18/0x1b0 [ 60.308665][ C1] cpuidle_enter_state+0xff/0x960 [ 60.313664][ C1] cpuidle_enter+0x4a/0xa0 [ 60.318065][ C1] do_idle+0x431/0x6d0 [ 60.322109][ C1] ? arch_cpu_idle_exit+0x70/0x70 [ 60.327120][ C1] ? trace_hardirqs_on+0x5f/0x220 [ 60.332131][ C1] ? lockdep_hardirqs_on+0x76/0xf0 [ 60.337220][ C1] cpu_startup_entry+0x14/0x20 [ 60.341972][ C1] secondary_startup_64+0xa4/0xb0 [ 60.346965][ C1] Modules linked in: [ 60.350916][ C1] ---[ end trace 8ff7624fa9c02345 ]--- [ 60.356378][ C1] RIP: 0010:tabledist.part.0+0x22a/0x2a0 [ 60.362049][ C1] Code: 4c 01 f0 48 c1 e8 20 41 89 45 00 41 89 c6 e8 ed 84 0f fb 48 85 db 0f 85 6d fe ff ff e8 df 84 0f fb 8d 4c 2d 00 44 89 f0 31 d2 f1 49 29 ec 49 01 d4 e9 2b ff ff ff e8 c4 84 0f fb 48 81 eb 00 [ 60.381745][ C1] RSP: 0018:ffffc90000da8078 EFLAGS: 00010246 [ 60.387835][ C1] RAX: 000000007c1f4e38 RBX: 0000000000000000 RCX: 0000000000000000 [ 60.395864][ C1] RDX: 0000000000000000 RSI: ffffffff8664c7a1 RDI: 0000000000000005 [ 60.403886][ C1] RBP: ffffffff80000000 R08: 0000000000000000 R09: ffffffff8ab1fe8f [ 60.411885][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 60.419918][ C1] R13: ffff88809273737c R14: 000000007c1f4e38 R15: 0000000000000000 [ 60.427893][ C1] FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 60.436866][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.443498][ C1] CR2: 0000000020000080 CR3: 0000000009a8d000 CR4: 00000000001506e0 [ 60.451518][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.459530][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.467531][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 60.475873][ C1] Kernel Offset: disabled [ 60.480208][ C1] Rebooting in 86400 seconds..