[ 54.303833] audit: type=1800 audit(1545030605.334:27): pid=6407 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 54.323446] audit: type=1800 audit(1545030605.354:28): pid=6407 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 55.901439] audit: type=1800 audit(1545030606.944:29): pid=6407 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 55.920891] audit: type=1800 audit(1545030606.944:30): pid=6407 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.32' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 65.022583] Started in network mode [ 65.026370] Own node identity fe8000000000000000000000000000bb, cluster identity 4711 [ 65.034668] ================================================================== [ 65.042082] BUG: KMSAN: uninit-value in __inet6_bind+0xb35/0x1a30 [ 65.048311] CPU: 1 PID: 6557 Comm: syz-executor447 Not tainted 4.20.0-rc5+ #2 [ 65.055569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.064934] Call Trace: [ 65.067521] dump_stack+0x1c9/0x220 [ 65.071171] kmsan_report+0x12d/0x290 [ 65.075012] __msan_warning+0x76/0xc0 [ 65.078815] __inet6_bind+0xb35/0x1a30 [ 65.082737] inet6_bind+0x206/0x300 [ 65.086364] ? ipv6_mod_enabled+0x60/0x60 [ 65.090502] kernel_bind+0xc6/0xf0 [ 65.094048] udp_sock_create6+0x2ee/0x890 [ 65.098220] tipc_udp_enable+0x166f/0x1d70 [ 65.102506] ? tipc_udp_send_msg+0x7d0/0x7d0 [ 65.106940] __tipc_nl_bearer_enable+0x1213/0x1da0 [ 65.111939] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 65.117327] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 65.122703] ? mutex_lock+0xb3/0x120 [ 65.126422] tipc_nl_bearer_enable+0x6c/0xb0 [ 65.130827] ? __tipc_nl_bearer_enable+0x1da0/0x1da0 [ 65.135935] genl_rcv_msg+0x185f/0x1a60 [ 65.139936] ? __msan_poison_alloca+0x1e0/0x270 [ 65.144617] netlink_rcv_skb+0x444/0x640 [ 65.148672] ? genl_unbind+0x390/0x390 [ 65.152569] genl_rcv+0x63/0x80 [ 65.155841] netlink_unicast+0xf80/0x1060 [ 65.160000] netlink_sendmsg+0x129d/0x1310 [ 65.164257] ___sys_sendmsg+0xdbc/0x11d0 [ 65.168320] ? netlink_getsockopt+0x15f0/0x15f0 [ 65.173003] ? __fget_light+0x60/0x780 [ 65.176886] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 65.182279] ? __fget_light+0x20e/0x780 [ 65.186269] __se_sys_sendmsg+0x305/0x460 [ 65.190431] __x64_sys_sendmsg+0x4a/0x70 [ 65.194490] do_syscall_64+0xcd/0x110 [ 65.198283] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 65.203464] RIP: 0033:0x444199 [ 65.206645] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 1b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 65.225544] RSP: 002b:00007ffe96b1eb28 EFLAGS: 00000213 ORIG_RAX: 000000000000002e [ 65.233264] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000444199 [ 65.240538] RDX: 0000000000000000 RSI: 00000000200008c0 RDI: 0000000000000003 [ 65.247800] RBP: 00000000006ce018 R08: 0000000000000000 R09: 00000000004002e0 [ 65.255065] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000401e40 [ 65.262330] R13: 0000000000401ed0 R14: 0000000000000000 R15: 0000000000000000 [ 65.269616] [ 65.271245] Local variable description: ----udp6_addr@udp_sock_create6 [ 65.277891] Variable was created at: [ 65.281598] udp_sock_create6+0x80/0x890 [ 65.285650] tipc_udp_enable+0x166f/0x1d70 [ 65.289864] ================================================================== [ 65.297225] Disabling lock debugging due to kernel taint [ 65.302665] Kernel panic - not syncing: panic_on_warn set ... [ 65.308545] CPU: 1 PID: 6557 Comm: syz-executor447 Tainted: G B 4.20.0-rc5+ #2 [ 65.317194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.326555] Call Trace: [ 65.329160] dump_stack+0x1c9/0x220 [ 65.332790] panic+0x3f0/0x98f [ 65.336023] kmsan_report+0x290/0x290 [ 65.339825] __msan_warning+0x76/0xc0 [ 65.343628] __inet6_bind+0xb35/0x1a30 [ 65.347556] inet6_bind+0x206/0x300 [ 65.351184] ? ipv6_mod_enabled+0x60/0x60 [ 65.355343] kernel_bind+0xc6/0xf0 [ 65.358888] udp_sock_create6+0x2ee/0x890 [ 65.363057] tipc_udp_enable+0x166f/0x1d70 [ 65.367339] ? tipc_udp_send_msg+0x7d0/0x7d0 [ 65.371796] __tipc_nl_bearer_enable+0x1213/0x1da0 [ 65.376754] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 65.382162] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 65.387535] ? mutex_lock+0xb3/0x120 [ 65.391254] tipc_nl_bearer_enable+0x6c/0xb0 [ 65.395661] ? __tipc_nl_bearer_enable+0x1da0/0x1da0 [ 65.400755] genl_rcv_msg+0x185f/0x1a60 [ 65.404758] ? __msan_poison_alloca+0x1e0/0x270 [ 65.409433] netlink_rcv_skb+0x444/0x640 [ 65.413491] ? genl_unbind+0x390/0x390 [ 65.417401] genl_rcv+0x63/0x80 [ 65.420672] netlink_unicast+0xf80/0x1060 [ 65.424847] netlink_sendmsg+0x129d/0x1310 [ 65.429115] ___sys_sendmsg+0xdbc/0x11d0 [ 65.433194] ? netlink_getsockopt+0x15f0/0x15f0 [ 65.437859] ? __fget_light+0x60/0x780 [ 65.441739] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 65.447103] ? __fget_light+0x20e/0x780 [ 65.451102] __se_sys_sendmsg+0x305/0x460 [ 65.455267] __x64_sys_sendmsg+0x4a/0x70 [ 65.459320] do_syscall_64+0xcd/0x110 [ 65.463114] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 65.468294] RIP: 0033:0x444199 [ 65.471472] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 1b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 65.490360] RSP: 002b:00007ffe96b1eb28 EFLAGS: 00000213 ORIG_RAX: 000000000000002e [ 65.498058] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000444199 [ 65.505330] RDX: 0000000000000000 RSI: 00000000200008c0 RDI: 0000000000000003 [ 65.512584] RBP: 00000000006ce018 R08: 0000000000000000 R09: 00000000004002e0 [ 65.519841] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000401e40 [ 65.527111] R13: 0000000000401ed0 R14: 0000000000000000 R15: 0000000000000000 [ 65.535361] Kernel Offset: disabled [ 65.538989] Rebooting in 86400 seconds..