[[0;32m OK [0m] Started Getty on tty3.
[[0;32m OK [0m] Started Serial Getty on ttyS0.
[[0;32m OK [0m] Started Getty on tty4.
[[0;32m OK [0m] Started Getty on tty5.
[[0;32m OK [0m] Started getty on tty2-tty6 if dbus and logind are not available.
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.1.24' (ECDSA) to the list of known hosts.
syzkaller login: [ 143.851123][ T8245] IPVS: ftp: loaded support on port[0] = 21
[ 143.999512][ T8245] chnl_net:caif_netlink_parms(): no params data found
[ 144.079721][ T8245] bridge0: port 1(bridge_slave_0) entered blocking state
[ 144.087018][ T8245] bridge0: port 1(bridge_slave_0) entered disabled state
[ 144.096304][ T8245] device bridge_slave_0 entered promiscuous mode
[ 144.106179][ T8245] bridge0: port 2(bridge_slave_1) entered blocking state
[ 144.113570][ T8245] bridge0: port 2(bridge_slave_1) entered disabled state
[ 144.121801][ T8245] device bridge_slave_1 entered promiscuous mode
[ 144.153588][ T8245] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 144.167460][ T8245] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 144.201781][ T8245] team0: Port device team_slave_0 added
[ 144.210594][ T8245] team0: Port device team_slave_1 added
[ 144.239629][ T8245] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 144.246740][ T8245] 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.
[ 144.272903][ T8245] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 144.285812][ T8245] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 144.293049][ T8245] 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.
[ 144.319274][ T8245] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 144.360658][ T8245] device hsr_slave_0 entered promiscuous mode
[ 144.368124][ T8245] device hsr_slave_1 entered promiscuous mode
[ 144.529090][ T8245] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 144.541357][ T8245] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 144.558695][ T8245] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 144.575237][ T8245] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 144.662148][ T8245] bridge0: port 2(bridge_slave_1) entered blocking state
[ 144.669408][ T8245] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 144.677353][ T8245] bridge0: port 1(bridge_slave_0) entered blocking state
[ 144.684729][ T8245] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 144.754497][ T8245] 8021q: adding VLAN 0 to HW filter on device bond0
[ 144.774155][ T3480] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 144.784997][ T3480] bridge0: port 1(bridge_slave_0) entered disabled state
[ 144.794047][ T3480] bridge0: port 2(bridge_slave_1) entered disabled state
[ 144.804825][ T3480] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 144.821702][ T8245] 8021q: adding VLAN 0 to HW filter on device team0
[ 144.839468][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 144.848848][ T5] bridge0: port 1(bridge_slave_0) entered blocking state
[ 144.856355][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 144.872053][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 144.881536][ T53] bridge0: port 2(bridge_slave_1) entered blocking state
[ 144.889146][ T53] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 144.920017][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 144.931342][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 144.953238][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 144.969683][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 144.979389][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 145.001329][ T8245] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 145.013975][ T8245] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 145.022924][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 145.031906][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 145.066849][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 145.074664][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 145.094428][ T8245] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 145.125888][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 145.136762][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 145.169248][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 145.178914][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 145.190262][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 145.199223][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 145.212977][ T8245] device veth0_vlan entered promiscuous mode
[ 145.230188][ T8245] device veth1_vlan entered promiscuous mode
[ 145.265821][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 145.275577][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 145.284706][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 145.293951][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 145.311892][ T8245] device veth0_macvtap entered promiscuous mode
[ 145.327501][ T8245] device veth1_macvtap entered promiscuous mode
[ 145.356375][ T8245] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 145.364421][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 145.373947][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 145.383150][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 145.392167][ T8453] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 145.410813][ T8245] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 145.419156][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 145.428836][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 145.444872][ T8245] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 145.453816][ T8245] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 145.462737][ T8245] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 145.471559][ T8245] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
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[ 145.963553][ T8501] hsr_slave_0: hsr_addr_subst_dest: Unknown node
[ 145.970033][ T8501] hsr_slave_1: hsr_addr_subst_dest: Unknown node
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[ 146.080686][ C1] =====================================================
[ 146.087652][ C1] BUG: KMSAN: uninit-value in ip_rcv_core+0xf79/0x14b0
[ 146.094479][ C1] CPU: 1 PID: 8517 Comm: syz-executor686 Not tainted 5.10.0-rc4-syzkaller #0
[ 146.103210][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 146.113253][ C1] Call Trace:
[ 146.116550][ C1]
[ 146.119431][ C1] dump_stack+0x21c/0x280
[ 146.123749][ C1] kmsan_report+0xf7/0x1e0
[ 146.128152][ C1] __msan_warning+0x5f/0xa0
[ 146.132750][ C1] ip_rcv_core+0xf79/0x14b0
[ 146.137234][ C1] ip_rcv+0xca/0x840
[ 146.141309][ C1] ? kmsan_get_metadata+0x116/0x180
[ 146.146553][ C1] __netif_receive_skb+0x1ec/0x640
[ 146.151644][ C1] ? kmsan_internal_set_origin+0x85/0xc0
[ 146.157266][ C1] ? ip_local_deliver_finish+0x370/0x370
[ 146.162897][ C1] process_backlog+0x523/0xc10
[ 146.167671][ C1] ? rps_trigger_softirq+0x2e0/0x2e0
[ 146.172988][ C1] napi_poll+0x420/0x1010
[ 146.177296][ C1] ? kmsan_internal_set_origin+0x85/0xc0
[ 146.182916][ C1] net_rx_action+0x35c/0xd40
[ 146.187485][ C1] ? net_tx_action+0xd30/0xd30
[ 146.192226][ C1] __do_softirq+0x1a9/0x6fa
[ 146.196769][ C1] ? handle_edge_irq+0x1258/0x1370
[ 146.201875][ C1] asm_call_irq_on_stack+0xf/0x20
[ 146.206882][ C1]
[ 146.209814][ C1] do_softirq_own_stack+0x6e/0x90
[ 146.214851][ C1] __local_bh_enable_ip+0x184/0x1d0
[ 146.220046][ C1] local_bh_enable+0x36/0x40
[ 146.224614][ C1] __dev_queue_xmit+0x3a9b/0x4520
[ 146.229626][ C1] dev_queue_xmit+0x4b/0x60
[ 146.234114][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0
[ 146.239398][ C1] packet_sendmsg+0x86f9/0x99d0
[ 146.244251][ C1] ? kmsan_get_metadata+0x116/0x180
[ 146.249444][ C1] ? kmsan_get_metadata+0x116/0x180
[ 146.254809][ C1] ? kmsan_internal_set_origin+0x85/0xc0
[ 146.260429][ C1] ? kmsan_get_metadata+0x116/0x180
[ 146.265631][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0
[ 146.271416][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20
[ 146.277484][ C1] ? aa_sk_perm+0x9a8/0xed0
[ 146.282088][ C1] ? packet_getsockopt+0x1120/0x1120
[ 146.287350][ C1] __sys_sendto+0x9dc/0xc80
[ 146.291845][ C1] ? kmsan_get_metadata+0x116/0x180
[ 146.297053][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0
[ 146.302852][ C1] __se_sys_sendto+0x107/0x130
[ 146.307627][ C1] __x64_sys_sendto+0x6e/0x90
[ 146.312299][ C1] do_syscall_64+0x9f/0x140
[ 146.316795][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 146.322666][ C1] RIP: 0033:0x443fd9
[ 146.326552][ C1] Code: e8 6c 05 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 9b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00
[ 146.346208][ C1] RSP: 002b:00007ffd391e9998 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[ 146.354613][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443fd9
[ 146.362577][ C1] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004
[ 146.370547][ C1] RBP: 00007ffd391e99b0 R08: 00000000200002c0 R09: 0000000000000014
[ 146.378528][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000023ada
[ 146.386507][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 146.394472][ C1]
[ 146.396832][ C1] Uninit was stored to memory at:
[ 146.401850][ C1] kmsan_internal_chain_origin+0xad/0x130
[ 146.407546][ C1] __msan_chain_origin+0x57/0xa0
[ 146.412490][ C1] iptunnel_xmit+0xbd9/0xf20
[ 146.417067][ C1] udp_tunnel_xmit_skb+0x52a/0x650
[ 146.422174][ C1] geneve_xmit+0x3908/0x3cc0
[ 146.426744][ C1] xmit_one+0x2b9/0x770
[ 146.430878][ C1] __dev_queue_xmit+0x33f2/0x4520
[ 146.435897][ C1] dev_queue_xmit+0x4b/0x60
[ 146.440388][ C1] packet_sendmsg+0x86f9/0x99d0
[ 146.445219][ C1] __sys_sendto+0x9dc/0xc80
[ 146.449730][ C1] __se_sys_sendto+0x107/0x130
[ 146.454481][ C1] __x64_sys_sendto+0x6e/0x90
[ 146.459131][ C1] do_syscall_64+0x9f/0x140
[ 146.463696][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 146.469558][ C1]
[ 146.471861][ C1] Uninit was created at:
[ 146.476094][ C1] kmsan_internal_poison_shadow+0x5c/0xf0
[ 146.481817][ C1] kmsan_slab_alloc+0x8d/0xe0
[ 146.486467][ C1] __kmalloc_node_track_caller+0xc61/0x15f0
[ 146.492349][ C1] __alloc_skb+0x309/0xae0
[ 146.496764][ C1] alloc_skb_with_frags+0x1f3/0xc20
[ 146.501977][ C1] sock_alloc_send_pskb+0xc73/0xe40
[ 146.507164][ C1] packet_sendmsg+0x6aa3/0x99d0
[ 146.511990][ C1] __sys_sendto+0x9dc/0xc80
[ 146.516474][ C1] __se_sys_sendto+0x107/0x130
[ 146.521214][ C1] __x64_sys_sendto+0x6e/0x90
[ 146.525868][ C1] do_syscall_64+0x9f/0x140
[ 146.530359][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 146.536229][ C1] =====================================================
[ 146.543152][ C1] Disabling lock debugging due to kernel taint
[ 146.549293][ C1] Kernel panic - not syncing: panic_on_warn set ...
[ 146.555858][ C1] CPU: 1 PID: 8517 Comm: syz-executor686 Tainted: G B 5.10.0-rc4-syzkaller #0
[ 146.565994][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 146.576033][ C1] Call Trace:
[ 146.579308][ C1]
[ 146.582141][ C1] dump_stack+0x21c/0x280
[ 146.586463][ C1] panic+0x4c8/0xea7
[ 146.590339][ C1] ? add_taint+0x17c/0x210
[ 146.594733][ C1] kmsan_report+0x1da/0x1e0
[ 146.599222][ C1] __msan_warning+0x5f/0xa0
[ 146.603710][ C1] ip_rcv_core+0xf79/0x14b0
[ 146.608192][ C1] ip_rcv+0xca/0x840
[ 146.612083][ C1] ? kmsan_get_metadata+0x116/0x180
[ 146.617288][ C1] __netif_receive_skb+0x1ec/0x640
[ 146.622466][ C1] ? kmsan_internal_set_origin+0x85/0xc0
[ 146.628073][ C1] ? ip_local_deliver_finish+0x370/0x370
[ 146.633687][ C1] process_backlog+0x523/0xc10
[ 146.638432][ C1] ? rps_trigger_softirq+0x2e0/0x2e0
[ 146.643693][ C1] napi_poll+0x420/0x1010
[ 146.648004][ C1] ? kmsan_internal_set_origin+0x85/0xc0
[ 146.653614][ C1] net_rx_action+0x35c/0xd40
[ 146.658181][ C1] ? net_tx_action+0xd30/0xd30
[ 146.662920][ C1] __do_softirq+0x1a9/0x6fa
[ 146.667402][ C1] ? handle_edge_irq+0x1258/0x1370
[ 146.672509][ C1] asm_call_irq_on_stack+0xf/0x20
[ 146.677531][ C1]
[ 146.680459][ C1] do_softirq_own_stack+0x6e/0x90
[ 146.685459][ C1] __local_bh_enable_ip+0x184/0x1d0
[ 146.690634][ C1] local_bh_enable+0x36/0x40
[ 146.695201][ C1] __dev_queue_xmit+0x3a9b/0x4520
[ 146.700218][ C1] dev_queue_xmit+0x4b/0x60
[ 146.704696][ C1] ? netdev_core_pick_tx+0x5a0/0x5a0
[ 146.710060][ C1] packet_sendmsg+0x86f9/0x99d0
[ 146.714904][ C1] ? kmsan_get_metadata+0x116/0x180
[ 146.720098][ C1] ? kmsan_get_metadata+0x116/0x180
[ 146.725273][ C1] ? kmsan_internal_set_origin+0x85/0xc0
[ 146.730891][ C1] ? kmsan_get_metadata+0x116/0x180
[ 146.736084][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0
[ 146.741870][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20
[ 146.748016][ C1] ? aa_sk_perm+0x9a8/0xed0
[ 146.752527][ C1] ? packet_getsockopt+0x1120/0x1120
[ 146.757785][ C1] __sys_sendto+0x9dc/0xc80
[ 146.762265][ C1] ? kmsan_get_metadata+0x116/0x180
[ 146.767459][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0
[ 146.773255][ C1] __se_sys_sendto+0x107/0x130
[ 146.778006][ C1] __x64_sys_sendto+0x6e/0x90
[ 146.782663][ C1] do_syscall_64+0x9f/0x140
[ 146.787158][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 146.793033][ C1] RIP: 0033:0x443fd9
[ 146.796906][ C1] Code: e8 6c 05 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 9b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00
[ 146.816850][ C1] RSP: 002b:00007ffd391e9998 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[ 146.825246][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443fd9
[ 146.833192][ C1] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000004
[ 146.841145][ C1] RBP: 00007ffd391e99b0 R08: 00000000200002c0 R09: 0000000000000014
[ 146.849092][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000023ada
[ 146.857038][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 146.865787][ C1] Kernel Offset: disabled
[ 146.870104][ C1] Rebooting in 86400 seconds..