Starting System Logging Service... [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Reached target Timers. [ OK ] Started Permit User Sessions. [ OK ] Found device /dev/ttyS0. [ OK ] Started System Logging Service. [ *** ] (2 of 2) A start job is running for… Shell server (1min 33s / 3min 1s) [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Started OpenBSD Secure Shell server. Warning: Permanently added '10.128.0.208' (ECDSA) to the list of known hosts. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ 166.718559][ T28] audit: type=1400 audit(1597552061.976:8): avc: denied { execmem } for pid=8412 comm="syz-executor194" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ OK ] Started Getty on tty2. [ 166.763203][ T8418] IPVS: ftp: loaded support on port[0] = 21 [ OK ] Started Getty on tty1. [ OK [0[ 167.056714][ T8418] chnl_net:caif_netlink_parms(): no params data found m] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. [ 167.206904][ T8418] bridge0: port 1(bridge_slave_0) entered blocking state [ 167.214189][ T8418] bridge0: port 1(bridge_slave_0) entered disabled state [ 167.224087][ T8418] device bridge_slave_0 entered promiscuous mode [ 167.238676][ T8418] bridge0: port 2(bridge_slave_1) entered blocking state [ 167.247218][ T8418] bridge0: port 2(bridge_slave_1) entered disabled state [ 167.256889][ T8418] device bridge_slave_1 entered promiscuous mode [ 167.311813][ T8418] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link Starting Update UTMP about System Runlevel Changes... [ 167.337440][ T8418] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 167.443020][ T8418] team0: Port device team_slave_0 added [ 167.472398][ T8418] team0: Port device team_slave_1 added [ 167.541910][ T8418] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 167.549938][ T8418] 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. [ 167.576183][ T8418] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 167.595117][ T8418] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 167.602187][ T8418] 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. [ 167.628346][ T8418] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active Starting Load/Save RF Kill Switch Status... [ 167.703448][ T8418] device hsr_slave_0 entered promiscuous mode [ 167.748890][ T8418] device hsr_slave_1 entered promiscuous mode [ 168.160912][ T8418] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 168.207406][ T8418] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ OK ] Started Update UTMP about System Runlevel Changes. [ 168.240134][ T8418] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ OK ] Started Load/Save RF Kill Swi[ 168.296417][ T8418] netdevsim netdevsim0 netdevsim3: renamed from eth3 tch Status. [ 169.642653][ T8418] 8021q: adding VLAN 0 to HW filter on device bond0 [ 169.832779][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 169.842105][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 169.887839][ T8418] 8021q: adding VLAN 0 to HW filter on device team0 [ 169.978224][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 169.988376][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 169.998167][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 170.005660][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 170.108141][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 170.117769][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 170.128048][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 170.138351][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 170.145803][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 170.155078][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 170.166289][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 170.242624][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 170.253771][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 170.264494][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 170.276006][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 170.292481][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 170.325119][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 170.335159][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 170.366804][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 170.376705][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 170.394368][ T8418] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 170.499775][ T8418] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 170.501148][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 170.501513][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 170.579632][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 170.590498][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 170.632243][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 170.641951][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 170.654406][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 170.663877][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 170.681913][ T8418] device veth0_vlan entered promiscuous mode [ 170.707962][ T8418] device veth1_vlan entered promiscuous mode [ 170.764307][ T3742] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 170.773275][ T3742] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 170.783411][ T3742] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 170.792800][ T3742] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 170.813705][ T8418] device veth0_macvtap entered promiscuous mode Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 170.833701][ T8418] device veth1_macvtap entered promiscuous mode [ 170.872834][ T8418] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 170.881416][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 170.891178][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 170.900289][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 170.910513][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 170.931532][ T8418] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 170.939885][ T3742] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 170.950008][ T3742] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 171.104633][ T8418] ===================================================== [ 171.111674][ T8418] BUG: KMSAN: uninit-value in eth_type_trans+0x655/0xc10 [ 171.118713][ T8418] CPU: 0 PID: 8418 Comm: syz-executor194 Not tainted 5.8.0-rc5-syzkaller #0 [ 171.127387][ T8418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.137450][ T8418] Call Trace: [ 171.140764][ T8418] dump_stack+0x21c/0x280 [ 171.145126][ T8418] kmsan_report+0xf7/0x1e0 [ 171.149566][ T8418] __msan_warning+0x58/0xa0 [ 171.154091][ T8418] eth_type_trans+0x655/0xc10 [ 171.158805][ T8418] __dev_forward_skb+0x4b0/0xb30 [ 171.163759][ T8418] veth_xmit+0x486/0xcf0 [ 171.168001][ T8418] ? veth_close+0x160/0x160 [ 171.172492][ T8418] xmit_one+0x3cf/0x750 [ 171.176663][ T8418] ? kmsan_get_metadata+0x116/0x180 [ 171.181856][ T8418] __dev_queue_xmit+0x3aad/0x4470 [ 171.186892][ T8418] dev_queue_xmit+0x4b/0x60 [ 171.191390][ T8418] __bpf_redirect+0x1479/0x16b0 [ 171.196243][ T8418] ? skb_ensure_writable+0x4d1/0x590 [ 171.201536][ T8418] bpf_clone_redirect+0x498/0x650 [ 171.206562][ T8418] ? kmsan_slab_alloc+0x8a/0xe0 [ 171.211405][ T8418] ___bpf_prog_run+0x4498/0x98e0 [ 171.216340][ T8418] ? bpf_csum_level+0x780/0x780 [ 171.221189][ T8418] __bpf_prog_run512+0x12e/0x190 [ 171.226123][ T8418] ? kmsan_slab_alloc+0x8a/0xe0 [ 171.230965][ T8418] ? bpf_prog_test_run_skb+0x8cb/0x2ad0 [ 171.236495][ T8418] ? __do_sys_bpf+0xb364/0x1a4c0 [ 171.241420][ T8418] ? __ia32_sys_bpf+0x4a/0x70 [ 171.246099][ T8418] ? 0xffffffff81000000 [ 171.250247][ T8418] ? do_fast_syscall_32+0x6b/0xd0 [ 171.255280][ T8418] ? do_SYSENTER_32+0x73/0x90 [ 171.259965][ T8418] ? entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 171.266462][ T8418] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 171.272620][ T8418] ? kmsan_get_metadata+0x116/0x180 [ 171.277826][ T8418] ? kmsan_internal_set_origin+0x75/0xb0 [ 171.283475][ T8418] ? __msan_poison_alloca+0xf0/0x120 [ 171.288751][ T8418] ? kmsan_get_metadata+0x116/0x180 [ 171.293982][ T8418] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 171.299786][ T8418] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 171.305842][ T8418] ? ktime_get+0x384/0x470 [ 171.310254][ T8418] ? kmsan_get_metadata+0x4f/0x180 [ 171.315355][ T8418] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 171.321149][ T8418] ? __bpf_prog_run480+0x190/0x190 [ 171.326254][ T8418] bpf_test_run+0x52d/0xed0 [ 171.330792][ T8418] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 171.336592][ T8418] bpf_prog_test_run_skb+0x1053/0x2ad0 [ 171.342066][ T8418] ? bpf_prog_test_run_tracing+0xa00/0xa00 [ 171.347871][ T8418] __do_sys_bpf+0xb364/0x1a4c0 [ 171.352638][ T8418] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 171.358436][ T8418] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 171.364491][ T8418] ? handle_mm_fault+0x46b0/0x4940 [ 171.369600][ T8418] ? kmsan_get_metadata+0x116/0x180 [ 171.374811][ T8418] ? kmsan_set_origin_checked+0x95/0xf0 [ 171.380358][ T8418] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 171.386424][ T8418] ? kmsan_get_metadata+0x116/0x180 [ 171.391652][ T8418] ? kmsan_get_metadata+0x116/0x180 [ 171.396847][ T8418] __se_sys_bpf+0x8e/0xa0 [ 171.401219][ T8418] __ia32_sys_bpf+0x4a/0x70 [ 171.405749][ T8418] __do_fast_syscall_32+0x2af/0x480 [ 171.410948][ T8418] do_fast_syscall_32+0x6b/0xd0 [ 171.415828][ T8418] do_SYSENTER_32+0x73/0x90 [ 171.420379][ T8418] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 171.426714][ T8418] RIP: 0023:0xf7f33549 [ 171.430760][ T8418] Code: Bad RIP value. [ 171.434816][ T8418] RSP: 002b:00000000ffc5230c EFLAGS: 00000246 ORIG_RAX: 0000000000000165 [ 171.443229][ T8418] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 0000000020000740 [ 171.451204][ T8418] RDX: 0000000000000028 RSI: 00000000f7f3328c RDI: 0000000000000004 [ 171.459177][ T8418] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 171.467152][ T8418] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 171.475124][ T8418] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 171.483094][ T8418] [ 171.485421][ T8418] Uninit was created at: [ 171.489659][ T8418] kmsan_internal_poison_shadow+0x66/0xd0 [ 171.495369][ T8418] kmsan_slab_alloc+0x8a/0xe0 [ 171.500035][ T8418] __kmalloc_node_track_caller+0xeab/0x12e0 [ 171.505916][ T8418] pskb_expand_head+0x26e/0x1e30 [ 171.510839][ T8418] skb_ensure_writable+0x4d1/0x590 [ 171.515940][ T8418] bpf_clone_redirect+0x26c/0x650 [ 171.520968][ T8418] ___bpf_prog_run+0x4498/0x98e0 [ 171.525891][ T8418] __bpf_prog_run512+0x12e/0x190 [ 171.530830][ T8418] bpf_test_run+0x52d/0xed0 [ 171.535318][ T8418] bpf_prog_test_run_skb+0x1053/0x2ad0 [ 171.540769][ T8418] __do_sys_bpf+0xb364/0x1a4c0 [ 171.545520][ T8418] __se_sys_bpf+0x8e/0xa0 [ 171.549844][ T8418] __ia32_sys_bpf+0x4a/0x70 [ 171.554352][ T8418] __do_fast_syscall_32+0x2af/0x480 [ 171.559549][ T8418] do_fast_syscall_32+0x6b/0xd0 [ 171.564399][ T8418] do_SYSENTER_32+0x73/0x90 [ 171.568892][ T8418] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 171.575198][ T8418] ===================================================== [ 171.582208][ T8418] Disabling lock debugging due to kernel taint [ 171.588343][ T8418] Kernel panic - not syncing: panic_on_warn set ... [ 171.594935][ T8418] CPU: 0 PID: 8418 Comm: syz-executor194 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 171.604987][ T8418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.615029][ T8418] Call Trace: [ 171.618315][ T8418] dump_stack+0x21c/0x280 [ 171.622642][ T8418] panic+0x4d7/0xef7 [ 171.626551][ T8418] ? add_taint+0x17c/0x210 [ 171.630975][ T8418] kmsan_report+0x1df/0x1e0 [ 171.635472][ T8418] __msan_warning+0x58/0xa0 [ 171.639965][ T8418] eth_type_trans+0x655/0xc10 [ 171.644641][ T8418] __dev_forward_skb+0x4b0/0xb30 [ 171.649628][ T8418] veth_xmit+0x486/0xcf0 [ 171.653869][ T8418] ? veth_close+0x160/0x160 [ 171.658365][ T8418] xmit_one+0x3cf/0x750 [ 171.662523][ T8418] ? kmsan_get_metadata+0x116/0x180 [ 171.667720][ T8418] __dev_queue_xmit+0x3aad/0x4470 [ 171.672769][ T8418] dev_queue_xmit+0x4b/0x60 [ 171.677266][ T8418] __bpf_redirect+0x1479/0x16b0 [ 171.682114][ T8418] ? skb_ensure_writable+0x4d1/0x590 [ 171.687411][ T8418] bpf_clone_redirect+0x498/0x650 [ 171.692435][ T8418] ? kmsan_slab_alloc+0x8a/0xe0 [ 171.697275][ T8418] ___bpf_prog_run+0x4498/0x98e0 [ 171.702206][ T8418] ? bpf_csum_level+0x780/0x780 [ 171.707070][ T8418] __bpf_prog_run512+0x12e/0x190 [ 171.712010][ T8418] ? kmsan_slab_alloc+0x8a/0xe0 [ 171.716852][ T8418] ? bpf_prog_test_run_skb+0x8cb/0x2ad0 [ 171.722401][ T8418] ? __do_sys_bpf+0xb364/0x1a4c0 [ 171.727334][ T8418] ? __ia32_sys_bpf+0x4a/0x70 [ 171.731998][ T8418] ? 0xffffffff81000000 [ 171.736163][ T8418] ? do_fast_syscall_32+0x6b/0xd0 [ 171.741174][ T8418] ? do_SYSENTER_32+0x73/0x90 [ 171.745853][ T8418] ? entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 171.752353][ T8418] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 171.758588][ T8418] ? kmsan_get_metadata+0x116/0x180 [ 171.763790][ T8418] ? kmsan_internal_set_origin+0x75/0xb0 [ 171.769432][ T8418] ? __msan_poison_alloca+0xf0/0x120 [ 171.774804][ T8418] ? kmsan_get_metadata+0x116/0x180 [ 171.782006][ T8418] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 171.787814][ T8418] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 171.793880][ T8418] ? ktime_get+0x384/0x470 [ 171.798300][ T8418] ? kmsan_get_metadata+0x4f/0x180 [ 171.803437][ T8418] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 171.809254][ T8418] ? __bpf_prog_run480+0x190/0x190 [ 171.814352][ T8418] bpf_test_run+0x52d/0xed0 [ 171.818870][ T8418] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 171.824682][ T8418] bpf_prog_test_run_skb+0x1053/0x2ad0 [ 171.830160][ T8418] ? bpf_prog_test_run_tracing+0xa00/0xa00 [ 171.835962][ T8418] __do_sys_bpf+0xb364/0x1a4c0 [ 171.840756][ T8418] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 171.846551][ T8418] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 171.852607][ T8418] ? handle_mm_fault+0x46b0/0x4940 [ 171.857728][ T8418] ? kmsan_get_metadata+0x116/0x180 [ 171.862928][ T8418] ? kmsan_set_origin_checked+0x95/0xf0 [ 171.868465][ T8418] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 171.874543][ T8418] ? kmsan_get_metadata+0x116/0x180 [ 171.879730][ T8418] ? kmsan_get_metadata+0x116/0x180 [ 171.885791][ T8418] __se_sys_bpf+0x8e/0xa0 [ 171.890128][ T8418] __ia32_sys_bpf+0x4a/0x70 [ 171.894678][ T8418] __do_fast_syscall_32+0x2af/0x480 [ 171.899912][ T8418] do_fast_syscall_32+0x6b/0xd0 [ 171.904787][ T8418] do_SYSENTER_32+0x73/0x90 [ 171.909293][ T8418] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 171.915617][ T8418] RIP: 0023:0xf7f33549 [ 171.919662][ T8418] Code: Bad RIP value. [ 171.923715][ T8418] RSP: 002b:00000000ffc5230c EFLAGS: 00000246 ORIG_RAX: 0000000000000165 [ 171.932110][ T8418] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 0000000020000740 [ 171.940067][ T8418] RDX: 0000000000000028 RSI: 00000000f7f3328c RDI: 0000000000000004 [ 171.948037][ T8418] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 171.956012][ T8418] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 171.963987][ T8418] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 171.973183][ T8418] Kernel Offset: disabled [ 171.977515][ T8418] Rebooting in 86400 seconds..