[ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Reached target Timers. [ OK ] Started Permit User Sessions. [ OK ] Started System Logging Service. [ OK ] Found device /dev/ttyS0. [ *** ] (2 of 2) A start job is running for…ot available (1min 26s / no limit) [*** ] (2 of 2) A start job is running for…ot available (1min 28s / no limit) [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Started OpenBSD Secure Shell server. [ 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. Warning: Permanently added '10.128.1.51' (ECDSA) to the list of known hosts. [ OK ] Started Getty on tty3. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Started Getty on tty2. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. [ 160.567116][ T28] audit: type=1400 audit(1597533028.419:8): avc: denied { execmem } for pid=8416 comm="syz-executor886" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 160.608256][ T8452] IPVS: ftp: loaded support on port[0] = 21 [ 160.794326][ T8452] chnl_net:caif_netlink_parms(): no params data found [ 160.897520][ T8452] bridge0: port 1(bridge_slave_0) entered blocking state [ 160.905290][ T8452] bridge0: port 1(bridge_slave_0) entered disabled state [ 160.914837][ T8452] device bridge_slave_0 entered promiscuous mode [ 160.925572][ T8452] bridge0: port 2(bridge_slave_1) entered blocking state [ 160.932885][ T8452] bridge0: port 2(bridge_slave_1) entered disabled state [ 160.941229][ T8452] device bridge_slave_1 entered promiscuous mode [ 160.979154][ T8452] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 160.993450][ T8452] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 161.026451][ T8452] team0: Port device team_slave_0 added [ 161.036192][ T8452] team0: Port device team_slave_1 added [ 161.067064][ T8452] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 161.074521][ T8452] 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. [ 161.100674][ T8452] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 161.114902][ T8452] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 161.122127][ T8452] 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. [ 161.148626][ T8452] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 161.190858][ T8452] device hsr_slave_0 entered promiscuous mode [ 161.198480][ T8452] device hsr_slave_1 entered promiscuous mode Debian GNU/Linux 9 syzkaller ttyS0 [ 161.387551][ T8452] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 161.399887][ T8452] netdevsim netdevsim0 netdevsim1: renamed from eth1 syzkaller login: [ 161.435114][ T8452] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 161.452895][ T8452] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 161.535048][ T8452] bridge0: port 2(bridge_slave_1) entered blocking state [ 161.542518][ T8452] bridge0: port 2(bridge_slave_1) entered forwarding state [ 161.550046][ T8452] bridge0: port 1(bridge_slave_0) entered blocking state [ 161.557394][ T8452] bridge0: port 1(bridge_slave_0) entered forwarding state [ 161.644345][ T8452] 8021q: adding VLAN 0 to HW filter on device bond0 [ 161.667668][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 161.678671][ T3217] bridge0: port 1(bridge_slave_0) entered disabled state [ 161.689882][ T3217] bridge0: port 2(bridge_slave_1) entered disabled state [ 161.700395][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 161.720408][ T8452] 8021q: adding VLAN 0 to HW filter on device team0 [ 161.739727][ T3217] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 161.749544][ T3217] bridge0: port 1(bridge_slave_0) entered blocking state [ 161.759748][ T3217] bridge0: port 1(bridge_slave_0) entered forwarding state [ 161.777441][ T4885] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 161.787303][ T4885] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 161.796790][ T4885] bridge0: port 2(bridge_slave_1) entered blocking state [ 161.804140][ T4885] bridge0: port 2(bridge_slave_1) entered forwarding state [ 161.844270][ T4885] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 161.854330][ T4885] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 161.865398][ T4885] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 161.875503][ T4885] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 161.885891][ T4885] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 161.896515][ T4885] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 161.908874][ T4885] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 161.923396][ T8658] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 161.933320][ T8658] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 161.954202][ T4885] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 161.963875][ T4885] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 161.986545][ T8452] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 162.019775][ T8658] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 162.027591][ T8658] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 162.050041][ T8452] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 162.089380][ T8658] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 162.099331][ T8658] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 162.137730][ T4885] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 162.146783][ T4885] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 162.164386][ T8452] device veth0_vlan entered promiscuous mode [ 162.173709][ T4885] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 162.182885][ T4885] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 162.206874][ T8452] device veth1_vlan entered promiscuous mode [ 162.256145][ T4885] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 162.266322][ T4885] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 162.275957][ T4885] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 162.285502][ T4885] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 162.303075][ T8452] device veth0_macvtap entered promiscuous mode [ 162.320119][ T8452] device veth1_macvtap entered promiscuous mode [ 162.358032][ T8452] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 162.366422][ T8658] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 162.376007][ T8658] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 162.385009][ T8658] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 162.395295][ T8658] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 162.415393][ T8452] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 162.423318][ T4885] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 162.433492][ T4885] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 162.566132][ T8452] ===================================================== [ 162.573255][ T8452] BUG: KMSAN: uninit-value in eth_type_trans+0x655/0xc10 [ 162.580382][ T8452] CPU: 0 PID: 8452 Comm: syz-executor886 Not tainted 5.8.0-rc5-syzkaller #0 [ 162.589162][ T8452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 162.599234][ T8452] Call Trace: [ 162.602646][ T8452] dump_stack+0x21c/0x280 [ 162.606998][ T8452] kmsan_report+0xf7/0x1e0 [ 162.611425][ T8452] __msan_warning+0x58/0xa0 [ 162.615941][ T8452] eth_type_trans+0x655/0xc10 [ 162.620815][ T8452] __dev_forward_skb+0x4b0/0xb30 [ 162.625764][ T8452] veth_xmit+0x486/0xcf0 [ 162.630245][ T8452] ? veth_close+0x160/0x160 [ 162.634800][ T8452] xmit_one+0x3cf/0x750 [ 162.638973][ T8452] ? kmsan_get_metadata+0x116/0x180 [ 162.644183][ T8452] __dev_queue_xmit+0x3aad/0x4470 [ 162.649241][ T8452] dev_queue_xmit+0x4b/0x60 [ 162.653755][ T8452] __bpf_redirect+0x1479/0x16b0 [ 162.658617][ T8452] ? skb_ensure_writable+0x4d1/0x590 [ 162.664106][ T8452] bpf_clone_redirect+0x498/0x650 [ 162.669302][ T8452] ? kmsan_slab_alloc+0x8a/0xe0 [ 162.674198][ T8452] ___bpf_prog_run+0x4498/0x98e0 [ 162.679222][ T8452] ? bpf_csum_level+0x780/0x780 [ 162.684068][ T8452] __bpf_prog_run512+0x12e/0x190 [ 162.689079][ T8452] ? kmsan_slab_alloc+0x8a/0xe0 [ 162.693950][ T8452] ? bpf_prog_test_run_skb+0x8cb/0x2ad0 [ 162.699477][ T8452] ? __do_sys_bpf+0xb364/0x1a4c0 [ 162.704407][ T8452] ? __ia32_sys_bpf+0x4a/0x70 [ 162.709078][ T8452] ? 0xffffffff81000000 [ 162.713224][ T8452] ? do_fast_syscall_32+0x6b/0xd0 [ 162.718226][ T8452] ? do_SYSENTER_32+0x73/0x90 [ 162.722904][ T8452] ? entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 162.729393][ T8452] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 162.735532][ T8452] ? kmsan_get_metadata+0x116/0x180 [ 162.740709][ T8452] ? kmsan_internal_set_origin+0x75/0xb0 [ 162.746430][ T8452] ? __msan_poison_alloca+0xf0/0x120 [ 162.751704][ T8452] ? kmsan_get_metadata+0x116/0x180 [ 162.756895][ T8452] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 162.762766][ T8452] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 162.768810][ T8452] ? ktime_get+0x384/0x470 [ 162.773224][ T8452] ? kmsan_get_metadata+0x4f/0x180 [ 162.778331][ T8452] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 162.784178][ T8452] ? __bpf_prog_run480+0x190/0x190 [ 162.789266][ T8452] bpf_test_run+0x52d/0xed0 [ 162.793877][ T8452] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 162.799672][ T8452] bpf_prog_test_run_skb+0x1053/0x2ad0 [ 162.805124][ T8452] ? bpf_prog_test_run_tracing+0xa00/0xa00 [ 162.811091][ T8452] __do_sys_bpf+0xb364/0x1a4c0 [ 162.815870][ T8452] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 162.821810][ T8452] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 162.827858][ T8452] ? handle_mm_fault+0x46b0/0x4940 [ 162.832977][ T8452] ? kmsan_get_metadata+0x116/0x180 [ 162.838172][ T8452] ? up_read+0x40/0x2b0 [ 162.842308][ T8452] ? kmsan_get_metadata+0x116/0x180 [ 162.847483][ T8452] ? kmsan_get_metadata+0x116/0x180 [ 162.852670][ T8452] ? kmsan_get_metadata+0x116/0x180 [ 162.857866][ T8452] ? kmsan_get_metadata+0x116/0x180 [ 162.863317][ T8452] __se_sys_bpf+0x8e/0xa0 [ 162.867730][ T8452] __ia32_sys_bpf+0x4a/0x70 [ 162.872474][ T8452] __do_fast_syscall_32+0x2af/0x480 [ 162.877652][ T8452] do_fast_syscall_32+0x6b/0xd0 [ 162.882480][ T8452] do_SYSENTER_32+0x73/0x90 [ 162.886961][ T8452] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 162.893264][ T8452] RIP: 0023:0xf7fd5549 [ 162.897302][ T8452] Code: Bad RIP value. [ 162.901350][ T8452] RSP: 002b:00000000ffd7ec7c EFLAGS: 00000246 ORIG_RAX: 0000000000000165 [ 162.909744][ T8452] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 0000000020000740 [ 162.917761][ T8452] RDX: 0000000000000028 RSI: 00000000f7fd528c RDI: 0000000000000004 [ 162.925710][ T8452] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 162.933671][ T8452] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 162.941633][ T8452] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 162.949687][ T8452] [ 162.951998][ T8452] Uninit was created at: [ 162.956261][ T8452] kmsan_internal_poison_shadow+0x66/0xd0 [ 162.961956][ T8452] kmsan_slab_alloc+0x8a/0xe0 [ 162.966612][ T8452] __kmalloc_node_track_caller+0xeab/0x12e0 [ 162.972483][ T8452] pskb_expand_head+0x26e/0x1e30 [ 162.977395][ T8452] skb_ensure_writable+0x4d1/0x590 [ 162.982482][ T8452] bpf_clone_redirect+0x26c/0x650 [ 162.987481][ T8452] ___bpf_prog_run+0x4498/0x98e0 [ 162.992394][ T8452] __bpf_prog_run512+0x12e/0x190 [ 162.997306][ T8452] bpf_test_run+0x52d/0xed0 [ 163.001786][ T8452] bpf_prog_test_run_skb+0x1053/0x2ad0 [ 163.007231][ T8452] __do_sys_bpf+0xb364/0x1a4c0 [ 163.011979][ T8452] __se_sys_bpf+0x8e/0xa0 [ 163.016301][ T8452] __ia32_sys_bpf+0x4a/0x70 [ 163.020782][ T8452] __do_fast_syscall_32+0x2af/0x480 [ 163.025955][ T8452] do_fast_syscall_32+0x6b/0xd0 [ 163.030782][ T8452] do_SYSENTER_32+0x73/0x90 [ 163.035262][ T8452] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 163.041991][ T8452] ===================================================== [ 163.048920][ T8452] Disabling lock debugging due to kernel taint [ 163.055046][ T8452] Kernel panic - not syncing: panic_on_warn set ... [ 163.061613][ T8452] CPU: 0 PID: 8452 Comm: syz-executor886 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 163.071650][ T8452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.083169][ T8452] Call Trace: [ 163.086441][ T8452] dump_stack+0x21c/0x280 [ 163.090751][ T8452] panic+0x4d7/0xef7 [ 163.094643][ T8452] ? add_taint+0x17c/0x210 [ 163.099055][ T8452] kmsan_report+0x1df/0x1e0 [ 163.103547][ T8452] __msan_warning+0x58/0xa0 [ 163.108304][ T8452] eth_type_trans+0x655/0xc10 [ 163.112975][ T8452] __dev_forward_skb+0x4b0/0xb30 [ 163.117968][ T8452] veth_xmit+0x486/0xcf0 [ 163.122195][ T8452] ? veth_close+0x160/0x160 [ 163.126727][ T8452] xmit_one+0x3cf/0x750 [ 163.130869][ T8452] ? kmsan_get_metadata+0x116/0x180 [ 163.136051][ T8452] __dev_queue_xmit+0x3aad/0x4470 [ 163.141078][ T8452] dev_queue_xmit+0x4b/0x60 [ 163.145563][ T8452] __bpf_redirect+0x1479/0x16b0 [ 163.150394][ T8452] ? skb_ensure_writable+0x4d1/0x590 [ 163.155757][ T8452] bpf_clone_redirect+0x498/0x650 [ 163.160782][ T8452] ? kmsan_slab_alloc+0x8a/0xe0 [ 163.165635][ T8452] ___bpf_prog_run+0x4498/0x98e0 [ 163.170554][ T8452] ? bpf_csum_level+0x780/0x780 [ 163.175415][ T8452] __bpf_prog_run512+0x12e/0x190 [ 163.180358][ T8452] ? kmsan_slab_alloc+0x8a/0xe0 [ 163.185218][ T8452] ? bpf_prog_test_run_skb+0x8cb/0x2ad0 [ 163.190739][ T8452] ? __do_sys_bpf+0xb364/0x1a4c0 [ 163.195665][ T8452] ? __ia32_sys_bpf+0x4a/0x70 [ 163.200321][ T8452] ? 0xffffffff81000000 [ 163.204471][ T8452] ? do_fast_syscall_32+0x6b/0xd0 [ 163.209471][ T8452] ? do_SYSENTER_32+0x73/0x90 [ 163.214130][ T8452] ? entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 163.220700][ T8452] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 163.226839][ T8452] ? kmsan_get_metadata+0x116/0x180 [ 163.232034][ T8452] ? kmsan_internal_set_origin+0x75/0xb0 [ 163.237668][ T8452] ? __msan_poison_alloca+0xf0/0x120 [ 163.242939][ T8452] ? kmsan_get_metadata+0x116/0x180 [ 163.248125][ T8452] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 163.253938][ T8452] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 163.260003][ T8452] ? ktime_get+0x384/0x470 [ 163.264406][ T8452] ? kmsan_get_metadata+0x4f/0x180 [ 163.269554][ T8452] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 163.275339][ T8452] ? __bpf_prog_run480+0x190/0x190 [ 163.280475][ T8452] bpf_test_run+0x52d/0xed0 [ 163.284985][ T8452] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 163.290776][ T8452] bpf_prog_test_run_skb+0x1053/0x2ad0 [ 163.296234][ T8452] ? bpf_prog_test_run_tracing+0xa00/0xa00 [ 163.302070][ T8452] __do_sys_bpf+0xb364/0x1a4c0 [ 163.306828][ T8452] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 163.312711][ T8452] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 163.318769][ T8452] ? handle_mm_fault+0x46b0/0x4940 [ 163.323979][ T8452] ? kmsan_get_metadata+0x116/0x180 [ 163.329172][ T8452] ? up_read+0x40/0x2b0 [ 163.333327][ T8452] ? kmsan_get_metadata+0x116/0x180 [ 163.338508][ T8452] ? kmsan_get_metadata+0x116/0x180 [ 163.343689][ T8452] ? kmsan_get_metadata+0x116/0x180 [ 163.348867][ T8452] ? kmsan_get_metadata+0x116/0x180 [ 163.354050][ T8452] __se_sys_bpf+0x8e/0xa0 [ 163.358359][ T8452] __ia32_sys_bpf+0x4a/0x70 [ 163.362888][ T8452] __do_fast_syscall_32+0x2af/0x480 [ 163.368069][ T8452] do_fast_syscall_32+0x6b/0xd0 [ 163.372918][ T8452] do_SYSENTER_32+0x73/0x90 [ 163.377399][ T8452] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 163.383699][ T8452] RIP: 0023:0xf7fd5549 [ 163.387737][ T8452] Code: Bad RIP value. [ 163.391784][ T8452] RSP: 002b:00000000ffd7ec7c EFLAGS: 00000246 ORIG_RAX: 0000000000000165 [ 163.400187][ T8452] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 0000000020000740 [ 163.408167][ T8452] RDX: 0000000000000028 RSI: 00000000f7fd528c RDI: 0000000000000004 [ 163.416210][ T8452] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 163.424164][ T8452] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 163.432113][ T8452] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 163.441398][ T8452] Kernel Offset: disabled [ 163.445717][ T8452] Rebooting in 86400 seconds..