[ OK ] Started Regular background program processing daemon. Starting Permit User Sessions... Starting System Logging Service... [ OK ] Started Permit User Sessions. [ OK ] Found device /dev/ttyS0. [ OK ] Started System Logging Service. [** ] (2 of 2) A start job is running for…ot available (1min 28s / no limit) [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ 144.492573][ T8352] sshd (8352) used greatest stack depth: 4536 bytes left [ 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. Warning: Permanently added '10.128.0.226' (ECDSA) to the list of known hosts. [ 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. [ 159.689511][ T27] audit: type=1400 audit(1597737004.168:8): avc: denied { execmem } for pid=8419 comm="syz-executor248" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 159.725563][ T8469] IPVS: ftp: loaded support on port[0] = 21 [ 159.888558][ T8469] chnl_net:caif_netlink_parms(): no params data found [ 159.972717][ T8469] bridge0: port 1(bridge_slave_0) entered blocking state [ 159.980881][ T8469] bridge0: port 1(bridge_slave_0) entered disabled state [ 159.989313][ T8469] device bridge_slave_0 entered promiscuous mode [ 160.001416][ T8469] bridge0: port 2(bridge_slave_1) entered blocking state [ 160.008554][ T8469] bridge0: port 2(bridge_slave_1) entered disabled state [ 160.018143][ T8469] device bridge_slave_1 entered promiscuous mode [ 160.051737][ T8469] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 160.065048][ T8469] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 160.100892][ T8469] team0: Port device team_slave_0 added [ 160.111644][ T8469] team0: Port device team_slave_1 added [ 160.139818][ T8469] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 160.147215][ T8469] 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. [ 160.173376][ T8469] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 160.186805][ T8469] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 160.194001][ T8469] 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. [ 160.220357][ T8469] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active Debian GNU/Linux 9 syzkaller ttyS0 [ 160.267220][ T8469] device hsr_slave_0 entered promiscuous mode [ 160.274855][ T8469] device hsr_slave_1 entered promiscuous mode syzkaller login: [ 160.457305][ T8469] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 160.473972][ T8469] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 160.491760][ T8469] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 160.508884][ T8469] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 160.596629][ T8469] bridge0: port 2(bridge_slave_1) entered blocking state [ 160.603943][ T8469] bridge0: port 2(bridge_slave_1) entered forwarding state [ 160.611892][ T8469] bridge0: port 1(bridge_slave_0) entered blocking state [ 160.619054][ T8469] bridge0: port 1(bridge_slave_0) entered forwarding state [ 160.704272][ T8469] 8021q: adding VLAN 0 to HW filter on device bond0 [ 160.727459][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 160.739186][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 160.752891][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 160.763027][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 160.783036][ T8469] 8021q: adding VLAN 0 to HW filter on device team0 [ 160.802539][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 160.811682][ T3219] bridge0: port 1(bridge_slave_0) entered blocking state [ 160.818796][ T3219] bridge0: port 1(bridge_slave_0) entered forwarding state [ 160.855669][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 160.865740][ T3219] bridge0: port 2(bridge_slave_1) entered blocking state [ 160.873135][ T3219] bridge0: port 2(bridge_slave_1) entered forwarding state [ 160.891639][ T8675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 160.902015][ T8675] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 160.932633][ T8675] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 160.941425][ T8675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 160.951876][ T8675] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 160.961599][ T8675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 160.972708][ T8675] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 160.982235][ T8675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 160.991909][ T8675] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 161.009445][ T8469] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 161.044526][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 161.055904][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 161.079504][ T8469] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 161.116696][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 161.126548][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 161.163749][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 161.173140][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 161.185155][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 161.194395][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 161.209645][ T8469] device veth0_vlan entered promiscuous mode [ 161.229811][ T8469] device veth1_vlan entered promiscuous mode [ 161.274701][ T8675] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 161.283701][ T8675] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 161.293143][ T8675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 161.302596][ T8675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 161.320964][ T8469] device veth0_macvtap entered promiscuous mode [ 161.338896][ T8469] device veth1_macvtap entered promiscuous mode [ 161.373504][ T8469] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 161.381067][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 161.389700][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 161.399163][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 161.408936][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 161.428370][ T8469] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 161.436898][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 161.447490][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 161.602143][ T8469] ===================================================== [ 161.609139][ T8469] BUG: KMSAN: uninit-value in eth_type_trans+0x655/0xc10 [ 161.616165][ T8469] CPU: 0 PID: 8469 Comm: syz-executor248 Not tainted 5.8.0-rc5-syzkaller #0 [ 161.624826][ T8469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 161.634875][ T8469] Call Trace: [ 161.638170][ T8469] dump_stack+0x21c/0x280 [ 161.642509][ T8469] kmsan_report+0xf7/0x1e0 [ 161.646932][ T8469] __msan_warning+0x58/0xa0 [ 161.651439][ T8469] eth_type_trans+0x655/0xc10 [ 161.656124][ T8469] __dev_forward_skb+0x4b0/0xb30 [ 161.661070][ T8469] veth_xmit+0x486/0xcf0 [ 161.665319][ T8469] ? veth_close+0x160/0x160 [ 161.669814][ T8469] xmit_one+0x3cf/0x750 [ 161.673963][ T8469] ? kmsan_get_metadata+0x116/0x180 [ 161.679142][ T8469] __dev_queue_xmit+0x3aad/0x4470 [ 161.684160][ T8469] dev_queue_xmit+0x4b/0x60 [ 161.688644][ T8469] __bpf_redirect+0x1479/0x16b0 [ 161.693482][ T8469] ? skb_ensure_writable+0x4d1/0x590 [ 161.698749][ T8469] bpf_clone_redirect+0x498/0x650 [ 161.703765][ T8469] ? kmsan_slab_alloc+0x8a/0xe0 [ 161.708596][ T8469] ___bpf_prog_run+0x4498/0x98e0 [ 161.713517][ T8469] ? bpf_csum_level+0x780/0x780 [ 161.719634][ T8469] __bpf_prog_run512+0x12e/0x190 [ 161.724611][ T8469] ? kmsan_slab_alloc+0x8a/0xe0 [ 161.729439][ T8469] ? bpf_prog_test_run_skb+0x8cb/0x2ad0 [ 161.734985][ T8469] ? __do_sys_bpf+0xb364/0x1a4c0 [ 161.739935][ T8469] ? __ia32_sys_bpf+0x4a/0x70 [ 161.744599][ T8469] ? 0xffffffff81000000 [ 161.748734][ T8469] ? do_fast_syscall_32+0x6b/0xd0 [ 161.753737][ T8469] ? do_SYSENTER_32+0x73/0x90 [ 161.758447][ T8469] ? entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 161.764938][ T8469] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 161.771087][ T8469] ? kmsan_get_metadata+0x116/0x180 [ 161.776280][ T8469] ? kmsan_internal_set_origin+0x75/0xb0 [ 161.781898][ T8469] ? __msan_poison_alloca+0xf0/0x120 [ 161.787162][ T8469] ? kmsan_get_metadata+0x116/0x180 [ 161.792340][ T8469] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 161.798124][ T8469] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 161.804174][ T8469] ? ktime_get+0x384/0x470 [ 161.808575][ T8469] ? kmsan_get_metadata+0x4f/0x180 [ 161.813667][ T8469] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 161.819471][ T8469] ? __bpf_prog_run480+0x190/0x190 [ 161.824566][ T8469] bpf_test_run+0x52d/0xed0 [ 161.829061][ T8469] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 161.834848][ T8469] bpf_prog_test_run_skb+0x1053/0x2ad0 [ 161.840327][ T8469] ? bpf_prog_test_run_tracing+0xa00/0xa00 [ 161.846123][ T8469] __do_sys_bpf+0xb364/0x1a4c0 [ 161.850889][ T8469] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 161.856695][ T8469] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 161.862747][ T8469] ? handle_mm_fault+0x46b0/0x4940 [ 161.867863][ T8469] ? kmsan_get_metadata+0x116/0x180 [ 161.873044][ T8469] ? kmsan_set_origin_checked+0x95/0xf0 [ 161.878566][ T8469] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 161.884623][ T8469] ? kmsan_get_metadata+0x116/0x180 [ 161.889813][ T8469] ? kmsan_get_metadata+0x116/0x180 [ 161.895005][ T8469] __se_sys_bpf+0x8e/0xa0 [ 161.899370][ T8469] __ia32_sys_bpf+0x4a/0x70 [ 161.903854][ T8469] __do_fast_syscall_32+0x2af/0x480 [ 161.909046][ T8469] do_fast_syscall_32+0x6b/0xd0 [ 161.913880][ T8469] do_SYSENTER_32+0x73/0x90 [ 161.918366][ T8469] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 161.924669][ T8469] RIP: 0023:0xf7f85549 [ 161.928706][ T8469] Code: Bad RIP value. [ 161.932753][ T8469] RSP: 002b:00000000ffa05c5c EFLAGS: 00000246 ORIG_RAX: 0000000000000165 [ 161.941142][ T8469] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 0000000020000740 [ 161.949133][ T8469] RDX: 0000000000000028 RSI: 00000000f7f8528c RDI: 0000000000000004 [ 161.957104][ T8469] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 161.965057][ T8469] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 161.973009][ T8469] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 161.980962][ T8469] [ 161.983264][ T8469] Uninit was created at: [ 161.987546][ T8469] kmsan_internal_poison_shadow+0x66/0xd0 [ 161.993240][ T8469] kmsan_slab_alloc+0x8a/0xe0 [ 161.997892][ T8469] __kmalloc_node_track_caller+0xeab/0x12e0 [ 162.003775][ T8469] pskb_expand_head+0x26e/0x1e30 [ 162.008687][ T8469] skb_ensure_writable+0x4d1/0x590 [ 162.013791][ T8469] bpf_clone_redirect+0x26c/0x650 [ 162.018820][ T8469] ___bpf_prog_run+0x4498/0x98e0 [ 162.023736][ T8469] __bpf_prog_run512+0x12e/0x190 [ 162.028698][ T8469] bpf_test_run+0x52d/0xed0 [ 162.033178][ T8469] bpf_prog_test_run_skb+0x1053/0x2ad0 [ 162.038719][ T8469] __do_sys_bpf+0xb364/0x1a4c0 [ 162.043819][ T8469] __se_sys_bpf+0x8e/0xa0 [ 162.048132][ T8469] __ia32_sys_bpf+0x4a/0x70 [ 162.052616][ T8469] __do_fast_syscall_32+0x2af/0x480 [ 162.057791][ T8469] do_fast_syscall_32+0x6b/0xd0 [ 162.062622][ T8469] do_SYSENTER_32+0x73/0x90 [ 162.067143][ T8469] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 162.073447][ T8469] ===================================================== [ 162.080402][ T8469] Disabling lock debugging due to kernel taint [ 162.086529][ T8469] Kernel panic - not syncing: panic_on_warn set ... [ 162.093101][ T8469] CPU: 0 PID: 8469 Comm: syz-executor248 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 162.103170][ T8469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 162.113198][ T8469] Call Trace: [ 162.116475][ T8469] dump_stack+0x21c/0x280 [ 162.120788][ T8469] panic+0x4d7/0xef7 [ 162.124664][ T8469] ? add_taint+0x17c/0x210 [ 162.129057][ T8469] kmsan_report+0x1df/0x1e0 [ 162.133543][ T8469] __msan_warning+0x58/0xa0 [ 162.138023][ T8469] eth_type_trans+0x655/0xc10 [ 162.142684][ T8469] __dev_forward_skb+0x4b0/0xb30 [ 162.147599][ T8469] veth_xmit+0x486/0xcf0 [ 162.151822][ T8469] ? veth_close+0x160/0x160 [ 162.156301][ T8469] xmit_one+0x3cf/0x750 [ 162.160454][ T8469] ? kmsan_get_metadata+0x116/0x180 [ 162.165654][ T8469] __dev_queue_xmit+0x3aad/0x4470 [ 162.170693][ T8469] dev_queue_xmit+0x4b/0x60 [ 162.175203][ T8469] __bpf_redirect+0x1479/0x16b0 [ 162.180040][ T8469] ? skb_ensure_writable+0x4d1/0x590 [ 162.185309][ T8469] bpf_clone_redirect+0x498/0x650 [ 162.190321][ T8469] ? kmsan_slab_alloc+0x8a/0xe0 [ 162.195151][ T8469] ___bpf_prog_run+0x4498/0x98e0 [ 162.200070][ T8469] ? bpf_csum_level+0x780/0x780 [ 162.204902][ T8469] __bpf_prog_run512+0x12e/0x190 [ 162.209816][ T8469] ? kmsan_slab_alloc+0x8a/0xe0 [ 162.214646][ T8469] ? bpf_prog_test_run_skb+0x8cb/0x2ad0 [ 162.220167][ T8469] ? __do_sys_bpf+0xb364/0x1a4c0 [ 162.225078][ T8469] ? __ia32_sys_bpf+0x4a/0x70 [ 162.229731][ T8469] ? 0xffffffff81000000 [ 162.233864][ T8469] ? do_fast_syscall_32+0x6b/0xd0 [ 162.238859][ T8469] ? do_SYSENTER_32+0x73/0x90 [ 162.243518][ T8469] ? entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 162.250017][ T8469] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 162.256180][ T8469] ? kmsan_get_metadata+0x116/0x180 [ 162.261387][ T8469] ? kmsan_internal_set_origin+0x75/0xb0 [ 162.267001][ T8469] ? __msan_poison_alloca+0xf0/0x120 [ 162.272262][ T8469] ? kmsan_get_metadata+0x116/0x180 [ 162.277437][ T8469] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 162.283219][ T8469] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 162.289261][ T8469] ? ktime_get+0x384/0x470 [ 162.293658][ T8469] ? kmsan_get_metadata+0x4f/0x180 [ 162.298746][ T8469] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 162.304529][ T8469] ? __bpf_prog_run480+0x190/0x190 [ 162.309628][ T8469] bpf_test_run+0x52d/0xed0 [ 162.314132][ T8469] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 162.320035][ T8469] bpf_prog_test_run_skb+0x1053/0x2ad0 [ 162.325482][ T8469] ? bpf_prog_test_run_tracing+0xa00/0xa00 [ 162.331278][ T8469] __do_sys_bpf+0xb364/0x1a4c0 [ 162.336041][ T8469] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 162.341827][ T8469] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 162.347870][ T8469] ? handle_mm_fault+0x46b0/0x4940 [ 162.352962][ T8469] ? kmsan_get_metadata+0x116/0x180 [ 162.358139][ T8469] ? kmsan_set_origin_checked+0x95/0xf0 [ 162.363663][ T8469] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 162.369707][ T8469] ? kmsan_get_metadata+0x116/0x180 [ 162.374882][ T8469] ? kmsan_get_metadata+0x116/0x180 [ 162.380061][ T8469] __se_sys_bpf+0x8e/0xa0 [ 162.384368][ T8469] __ia32_sys_bpf+0x4a/0x70 [ 162.388846][ T8469] __do_fast_syscall_32+0x2af/0x480 [ 162.394026][ T8469] do_fast_syscall_32+0x6b/0xd0 [ 162.398853][ T8469] do_SYSENTER_32+0x73/0x90 [ 162.403336][ T8469] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 162.409644][ T8469] RIP: 0023:0xf7f85549 [ 162.413697][ T8469] Code: Bad RIP value. [ 162.417737][ T8469] RSP: 002b:00000000ffa05c5c EFLAGS: 00000246 ORIG_RAX: 0000000000000165 [ 162.426164][ T8469] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 0000000020000740 [ 162.434142][ T8469] RDX: 0000000000000028 RSI: 00000000f7f8528c RDI: 0000000000000004 [ 162.442099][ T8469] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 162.450082][ T8469] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 162.458034][ T8469] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 162.467411][ T8469] Kernel Offset: disabled [ 162.471737][ T8469] Rebooting in 86400 seconds..