Starting OpenBSD Secure Shell server... Starting System Logging Service... Starting Permit User Sessions... [ OK ] Started Permit User Sessions. [ OK ] Found device /dev/ttyS0. [ OK ] Started System Logging Service. [** ] (1 of 2) A start job is running for…ot available (1min 31s / no limit) [*** ] (1 of 2) A start job is running for…ot available (1min 31s / 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. [ OK ] Started Getty on tty3. Warning: Permanently added '10.128.15.203' (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. [ 168.960375][ T28] audit: type=1400 audit(1597741092.234:8): avc: denied { execmem } for pid=8426 comm="syz-executor560" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 169.020297][ T8488] IPVS: ftp: loaded support on port[0] = 21 [ 169.191881][ T8488] chnl_net:caif_netlink_parms(): no params data found [ 169.279921][ T8488] bridge0: port 1(bridge_slave_0) entered blocking state [ 169.287667][ T8488] bridge0: port 1(bridge_slave_0) entered disabled state [ 169.296164][ T8488] device bridge_slave_0 entered promiscuous mode [ 169.308454][ T8488] bridge0: port 2(bridge_slave_1) entered blocking state [ 169.315578][ T8488] bridge0: port 2(bridge_slave_1) entered disabled state [ 169.325174][ T8488] device bridge_slave_1 entered promiscuous mode [ 169.359340][ T8488] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 169.372691][ T8488] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 169.407715][ T8488] team0: Port device team_slave_0 added [ 169.418516][ T8488] team0: Port device team_slave_1 added [ 169.450303][ T8488] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 169.457352][ T8488] 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. [ 169.484632][ T8488] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 169.502371][ T8488] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 169.509908][ T8488] 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. D[ 169.536896][ T8488] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active ebian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 169.583661][ T8488] device hsr_slave_0 entered promiscuous mode [ 169.591274][ T8488] device hsr_slave_1 entered promiscuous mode [ 169.774782][ T8488] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 169.788350][ T8488] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 169.806339][ T8488] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 169.824312][ T8488] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 169.914286][ T8488] bridge0: port 2(bridge_slave_1) entered blocking state [ 169.921500][ T8488] bridge0: port 2(bridge_slave_1) entered forwarding state [ 169.929394][ T8488] bridge0: port 1(bridge_slave_0) entered blocking state [ 169.936829][ T8488] bridge0: port 1(bridge_slave_0) entered forwarding state [ 170.022535][ T8488] 8021q: adding VLAN 0 to HW filter on device bond0 [ 170.047930][ T3378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 170.061774][ T3378] bridge0: port 1(bridge_slave_0) entered disabled state [ 170.071034][ T3378] bridge0: port 2(bridge_slave_1) entered disabled state [ 170.083351][ T3378] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 170.103142][ T8488] 8021q: adding VLAN 0 to HW filter on device team0 [ 170.121923][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 170.131169][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 170.138588][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 170.156684][ T3378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 170.165803][ T3378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 170.174971][ T3378] bridge0: port 2(bridge_slave_1) entered blocking state [ 170.182332][ T3378] bridge0: port 2(bridge_slave_1) entered forwarding state [ 170.216776][ T3378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 170.227509][ T3378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 170.238152][ T3378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 170.247547][ T3378] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 170.257658][ T3378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 170.267865][ T3378] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 170.291051][ T3378] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 170.300752][ T3378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 170.310326][ T3378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 170.333198][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 170.342955][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 170.362770][ T8488] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 170.397997][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 170.405512][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 170.431916][ T8488] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 170.467976][ T3378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 170.477385][ T3378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 170.515418][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 170.525245][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 170.540756][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 170.549941][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 170.567623][ T8488] device veth0_vlan entered promiscuous mode [ 170.589803][ T8488] device veth1_vlan entered promiscuous mode [ 170.633590][ T3378] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 170.642410][ T3378] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 170.652233][ T3378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 170.661689][ T3378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 170.681749][ T8488] device veth0_macvtap entered promiscuous mode [ 170.696942][ T8488] device veth1_macvtap entered promiscuous mode [ 170.733532][ T8488] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 170.742229][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 170.752112][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 170.760946][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 170.771037][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 170.790335][ T8488] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 170.801710][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 170.812077][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 171.002783][ T8488] ===================================================== [ 171.009782][ T8488] BUG: KMSAN: uninit-value in eth_type_trans+0x655/0xc10 [ 171.016797][ T8488] CPU: 0 PID: 8488 Comm: syz-executor560 Not tainted 5.8.0-rc5-syzkaller #0 [ 171.025439][ T8488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.035470][ T8488] Call Trace: [ 171.038748][ T8488] dump_stack+0x21c/0x280 [ 171.043083][ T8488] kmsan_report+0xf7/0x1e0 [ 171.047480][ T8488] __msan_warning+0x58/0xa0 [ 171.051964][ T8488] eth_type_trans+0x655/0xc10 [ 171.056740][ T8488] __dev_forward_skb+0x4b0/0xb30 [ 171.062501][ T8488] veth_xmit+0x486/0xcf0 [ 171.066733][ T8488] ? veth_close+0x160/0x160 [ 171.071252][ T8488] xmit_one+0x3cf/0x750 [ 171.075387][ T8488] ? kmsan_get_metadata+0x116/0x180 [ 171.080566][ T8488] __dev_queue_xmit+0x3aad/0x4470 [ 171.085578][ T8488] dev_queue_xmit+0x4b/0x60 [ 171.090059][ T8488] __bpf_redirect+0x1479/0x16b0 [ 171.094889][ T8488] ? skb_ensure_writable+0x4d1/0x590 [ 171.100154][ T8488] bpf_clone_redirect+0x498/0x650 [ 171.105159][ T8488] ? kmsan_slab_alloc+0x8a/0xe0 [ 171.109989][ T8488] ___bpf_prog_run+0x4498/0x98e0 [ 171.114909][ T8488] ? bpf_csum_level+0x780/0x780 [ 171.119746][ T8488] __bpf_prog_run512+0x12e/0x190 [ 171.124663][ T8488] ? kmsan_slab_alloc+0x8a/0xe0 [ 171.129554][ T8488] ? bpf_prog_test_run_skb+0x8cb/0x2ad0 [ 171.135076][ T8488] ? __do_sys_bpf+0xb364/0x1a4c0 [ 171.139988][ T8488] ? __ia32_sys_bpf+0x4a/0x70 [ 171.144637][ T8488] ? 0xffffffff81000000 [ 171.148772][ T8488] ? do_fast_syscall_32+0x6b/0xd0 [ 171.153773][ T8488] ? do_SYSENTER_32+0x73/0x90 [ 171.158444][ T8488] ? entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 171.164939][ T8488] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 171.171077][ T8488] ? kmsan_get_metadata+0x116/0x180 [ 171.176254][ T8488] ? kmsan_internal_set_origin+0x75/0xb0 [ 171.181862][ T8488] ? __msan_poison_alloca+0xf0/0x120 [ 171.187125][ T8488] ? kmsan_get_metadata+0x116/0x180 [ 171.192297][ T8488] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 171.198081][ T8488] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 171.204121][ T8488] ? ktime_get+0x384/0x470 [ 171.208520][ T8488] ? kmsan_get_metadata+0x4f/0x180 [ 171.213608][ T8488] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 171.219390][ T8488] ? __bpf_prog_run480+0x190/0x190 [ 171.224479][ T8488] bpf_test_run+0x52d/0xed0 [ 171.228973][ T8488] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 171.234757][ T8488] bpf_prog_test_run_skb+0x1053/0x2ad0 [ 171.240213][ T8488] ? bpf_prog_test_run_tracing+0xa00/0xa00 [ 171.246004][ T8488] __do_sys_bpf+0xb364/0x1a4c0 [ 171.250763][ T8488] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 171.256550][ T8488] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 171.262592][ T8488] ? handle_mm_fault+0x46b0/0x4940 [ 171.267698][ T8488] ? kmsan_get_metadata+0x116/0x180 [ 171.272898][ T8488] ? kmsan_set_origin_checked+0x95/0xf0 [ 171.278519][ T8488] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 171.284563][ T8488] ? kmsan_get_metadata+0x116/0x180 [ 171.289738][ T8488] ? kmsan_get_metadata+0x116/0x180 [ 171.294912][ T8488] __se_sys_bpf+0x8e/0xa0 [ 171.299221][ T8488] __ia32_sys_bpf+0x4a/0x70 [ 171.303701][ T8488] __do_fast_syscall_32+0x2af/0x480 [ 171.308922][ T8488] do_fast_syscall_32+0x6b/0xd0 [ 171.313748][ T8488] do_SYSENTER_32+0x73/0x90 [ 171.318246][ T8488] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 171.324564][ T8488] RIP: 0023:0xf7efd549 [ 171.328607][ T8488] Code: Bad RIP value. [ 171.332647][ T8488] RSP: 002b:00000000ffbf87ac EFLAGS: 00000246 ORIG_RAX: 0000000000000165 [ 171.341031][ T8488] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 0000000020000740 [ 171.348996][ T8488] RDX: 0000000000000028 RSI: 00000000f7efd28c RDI: 0000000000000004 [ 171.356943][ T8488] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 171.364900][ T8488] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 171.372848][ T8488] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 171.380801][ T8488] [ 171.383104][ T8488] Uninit was created at: [ 171.387334][ T8488] kmsan_internal_poison_shadow+0x66/0xd0 [ 171.393026][ T8488] kmsan_slab_alloc+0x8a/0xe0 [ 171.397697][ T8488] __kmalloc_node_track_caller+0xeab/0x12e0 [ 171.403598][ T8488] pskb_expand_head+0x26e/0x1e30 [ 171.408531][ T8488] skb_ensure_writable+0x4d1/0x590 [ 171.413621][ T8488] bpf_clone_redirect+0x26c/0x650 [ 171.418623][ T8488] ___bpf_prog_run+0x4498/0x98e0 [ 171.423914][ T8488] __bpf_prog_run512+0x12e/0x190 [ 171.428845][ T8488] bpf_test_run+0x52d/0xed0 [ 171.433323][ T8488] bpf_prog_test_run_skb+0x1053/0x2ad0 [ 171.438774][ T8488] __do_sys_bpf+0xb364/0x1a4c0 [ 171.443514][ T8488] __se_sys_bpf+0x8e/0xa0 [ 171.447818][ T8488] __ia32_sys_bpf+0x4a/0x70 [ 171.452296][ T8488] __do_fast_syscall_32+0x2af/0x480 [ 171.457470][ T8488] do_fast_syscall_32+0x6b/0xd0 [ 171.462393][ T8488] do_SYSENTER_32+0x73/0x90 [ 171.466887][ T8488] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 171.473200][ T8488] ===================================================== [ 171.480113][ T8488] Disabling lock debugging due to kernel taint [ 171.486260][ T8488] Kernel panic - not syncing: panic_on_warn set ... [ 171.492837][ T8488] CPU: 0 PID: 8488 Comm: syz-executor560 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 171.502868][ T8488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.512898][ T8488] Call Trace: [ 171.516171][ T8488] dump_stack+0x21c/0x280 [ 171.520481][ T8488] panic+0x4d7/0xef7 [ 171.524372][ T8488] ? add_taint+0x17c/0x210 [ 171.528770][ T8488] kmsan_report+0x1df/0x1e0 [ 171.533253][ T8488] __msan_warning+0x58/0xa0 [ 171.537736][ T8488] eth_type_trans+0x655/0xc10 [ 171.542393][ T8488] __dev_forward_skb+0x4b0/0xb30 [ 171.547331][ T8488] veth_xmit+0x486/0xcf0 [ 171.551556][ T8488] ? veth_close+0x160/0x160 [ 171.556046][ T8488] xmit_one+0x3cf/0x750 [ 171.560211][ T8488] ? kmsan_get_metadata+0x116/0x180 [ 171.565386][ T8488] __dev_queue_xmit+0x3aad/0x4470 [ 171.570401][ T8488] dev_queue_xmit+0x4b/0x60 [ 171.574883][ T8488] __bpf_redirect+0x1479/0x16b0 [ 171.579720][ T8488] ? skb_ensure_writable+0x4d1/0x590 [ 171.584988][ T8488] bpf_clone_redirect+0x498/0x650 [ 171.590008][ T8488] ? kmsan_slab_alloc+0x8a/0xe0 [ 171.594838][ T8488] ___bpf_prog_run+0x4498/0x98e0 [ 171.599755][ T8488] ? bpf_csum_level+0x780/0x780 [ 171.604588][ T8488] __bpf_prog_run512+0x12e/0x190 [ 171.609507][ T8488] ? kmsan_slab_alloc+0x8a/0xe0 [ 171.614337][ T8488] ? bpf_prog_test_run_skb+0x8cb/0x2ad0 [ 171.619868][ T8488] ? __do_sys_bpf+0xb364/0x1a4c0 [ 171.624781][ T8488] ? __ia32_sys_bpf+0x4a/0x70 [ 171.629459][ T8488] ? 0xffffffff81000000 [ 171.633596][ T8488] ? do_fast_syscall_32+0x6b/0xd0 [ 171.638602][ T8488] ? do_SYSENTER_32+0x73/0x90 [ 171.643260][ T8488] ? entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 171.649743][ T8488] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 171.655883][ T8488] ? kmsan_get_metadata+0x116/0x180 [ 171.661059][ T8488] ? kmsan_internal_set_origin+0x75/0xb0 [ 171.666669][ T8488] ? __msan_poison_alloca+0xf0/0x120 [ 171.671935][ T8488] ? kmsan_get_metadata+0x116/0x180 [ 171.677111][ T8488] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 171.682893][ T8488] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 171.688938][ T8488] ? ktime_get+0x384/0x470 [ 171.693332][ T8488] ? kmsan_get_metadata+0x4f/0x180 [ 171.698420][ T8488] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 171.704200][ T8488] ? __bpf_prog_run480+0x190/0x190 [ 171.709288][ T8488] bpf_test_run+0x52d/0xed0 [ 171.713778][ T8488] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 171.719584][ T8488] bpf_prog_test_run_skb+0x1053/0x2ad0 [ 171.725049][ T8488] ? bpf_prog_test_run_tracing+0xa00/0xa00 [ 171.730835][ T8488] __do_sys_bpf+0xb364/0x1a4c0 [ 171.735598][ T8488] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 171.741397][ T8488] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 171.747447][ T8488] ? handle_mm_fault+0x46b0/0x4940 [ 171.752758][ T8488] ? kmsan_get_metadata+0x116/0x180 [ 171.757994][ T8488] ? kmsan_set_origin_checked+0x95/0xf0 [ 171.763522][ T8488] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 171.769578][ T8488] ? kmsan_get_metadata+0x116/0x180 [ 171.774757][ T8488] ? kmsan_get_metadata+0x116/0x180 [ 171.779978][ T8488] __se_sys_bpf+0x8e/0xa0 [ 171.784286][ T8488] __ia32_sys_bpf+0x4a/0x70 [ 171.788772][ T8488] __do_fast_syscall_32+0x2af/0x480 [ 171.793953][ T8488] do_fast_syscall_32+0x6b/0xd0 [ 171.798798][ T8488] do_SYSENTER_32+0x73/0x90 [ 171.803313][ T8488] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 171.809687][ T8488] RIP: 0023:0xf7efd549 [ 171.813729][ T8488] Code: Bad RIP value. [ 171.817769][ T8488] RSP: 002b:00000000ffbf87ac EFLAGS: 00000246 ORIG_RAX: 0000000000000165 [ 171.826167][ T8488] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 0000000020000740 [ 171.834130][ T8488] RDX: 0000000000000028 RSI: 00000000f7efd28c RDI: 0000000000000004 [ 171.842079][ T8488] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 171.850028][ T8488] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 171.857975][ T8488] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 171.867177][ T8488] Kernel Offset: disabled [ 171.872024][ T8488] Rebooting in 86400 seconds..