[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 38.469167] audit: type=1800 audit(1545640963.511:25): pid=6085 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 38.488318] audit: type=1800 audit(1545640963.521:26): pid=6085 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 38.507673] audit: type=1800 audit(1545640963.531:27): pid=6085 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.97' (ECDSA) to the list of known hosts. 2018/12/24 08:42:58 parsed 1 programs 2018/12/24 08:43:12 executed programs: 0 syzkaller login: [ 68.066322] IPVS: ftp: loaded support on port[0] = 21 [ 68.068908] IPVS: ftp: loaded support on port[0] = 21 [ 68.092916] IPVS: ftp: loaded support on port[0] = 21 [ 68.124900] IPVS: ftp: loaded support on port[0] = 21 [ 68.130981] IPVS: ftp: loaded support on port[0] = 21 [ 68.138753] IPVS: ftp: loaded support on port[0] = 21 [ 68.822949] ip (6337) used greatest stack depth: 53672 bytes left [ 69.767844] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.774415] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.782344] device bridge_slave_0 entered promiscuous mode [ 69.868283] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.874862] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.882661] device bridge_slave_0 entered promiscuous mode [ 69.942023] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.948505] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.956491] device bridge_slave_1 entered promiscuous mode [ 69.986996] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.993578] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.001115] device bridge_slave_1 entered promiscuous mode [ 70.041008] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.047548] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.055214] device bridge_slave_0 entered promiscuous mode [ 70.068958] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.075580] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.083459] device bridge_slave_0 entered promiscuous mode [ 70.095898] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.102404] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.110182] device bridge_slave_0 entered promiscuous mode [ 70.150456] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.157001] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.164960] device bridge_slave_1 entered promiscuous mode [ 70.176354] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 70.188043] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 70.200973] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.207495] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.215366] device bridge_slave_1 entered promiscuous mode [ 70.233777] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.240223] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.248157] device bridge_slave_0 entered promiscuous mode [ 70.267937] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 70.279799] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 70.310463] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.316954] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.324840] device bridge_slave_1 entered promiscuous mode [ 70.340286] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 70.367800] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 70.379073] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 70.417066] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.423718] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.431652] device bridge_slave_1 entered promiscuous mode [ 70.438716] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 70.461966] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 70.521982] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 70.553062] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 70.636008] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 70.678692] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 70.706196] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 70.736454] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 70.816230] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 70.840549] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 70.850982] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 70.866416] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 70.895925] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 70.979574] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 70.991026] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 71.024649] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 71.114474] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 71.296187] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 71.303224] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.337407] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 71.345475] team0: Port device team_slave_0 added [ 71.359226] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 71.366260] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.397749] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 71.405810] team0: Port device team_slave_0 added [ 71.466641] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 71.474874] team0: Port device team_slave_1 added [ 71.489009] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 71.497200] team0: Port device team_slave_0 added [ 71.588184] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 71.596366] team0: Port device team_slave_1 added [ 71.608017] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 71.616073] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.624851] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.635945] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 71.643977] team0: Port device team_slave_1 added [ 71.654062] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 71.662257] team0: Port device team_slave_0 added [ 71.678013] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 71.686249] team0: Port device team_slave_0 added [ 71.711293] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 71.723124] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.731894] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.747840] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 71.756099] team0: Port device team_slave_0 added [ 71.777716] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 71.785123] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 71.793444] team0: Port device team_slave_1 added [ 71.803520] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.811969] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.822930] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 71.866386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.875023] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.883522] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.898857] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 71.920331] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 71.928821] team0: Port device team_slave_1 added [ 71.935582] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.944515] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.959354] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 71.968367] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 71.976388] team0: Port device team_slave_1 added [ 71.989662] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.998450] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.021106] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.045039] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.053619] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.078465] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 72.089846] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.099063] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.109537] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 72.136544] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.145478] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.154342] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.169698] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 72.231311] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.240182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.249091] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.258454] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.278127] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 72.306127] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 72.319738] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 72.347732] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.356838] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.365570] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.373734] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.382585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.390940] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.399748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.425620] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 72.437794] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 72.445244] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.454180] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.462582] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.471409] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.497655] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 72.571285] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.580186] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.618254] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 72.628003] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.637301] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.405023] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.411590] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.418640] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.425116] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.433493] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 73.439932] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.480459] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.486999] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.494105] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.500591] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.509554] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 73.602502] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.609126] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.616210] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.622698] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.631197] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 73.699711] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.706268] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.713318] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.719793] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.728303] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 73.784972] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.791441] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.798506] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.805016] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.813535] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 73.888186] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.894729] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.901811] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.908290] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.916664] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 74.492011] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.499695] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.507418] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.515258] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.523025] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.922516] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.057689] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.126463] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.229265] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.330111] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.363353] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 78.443844] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 78.484511] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.600391] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 78.638494] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 78.729781] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 78.736957] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 78.744591] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.768001] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 78.888636] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 78.895466] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 78.903274] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.928688] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 79.043614] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 79.049905] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 79.057741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 79.102640] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 79.109103] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 79.117018] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 79.208947] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.274072] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 79.280378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 79.288271] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 79.350849] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.377851] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 79.385573] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 79.393376] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 79.413529] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.556759] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.696198] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.796540] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.897385] ================================================================== [ 81.904910] BUG: KMSAN: uninit-value in strlen+0x3b/0xa0 [ 81.910367] CPU: 1 PID: 7778 Comm: syz-executor1 Not tainted 4.20.0-rc7+ #12 [ 81.917544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.926883] Call Trace: [ 81.929470] dump_stack+0x173/0x1d0 [ 81.933109] kmsan_report+0x12e/0x2a0 [ 81.936928] __msan_warning+0x81/0xf0 [ 81.940739] strlen+0x3b/0xa0 [ 81.943859] tipc_nl_compat_link_set+0x929/0x1220 [ 81.948725] ? tipc_nl_compat_link_dump+0x5e0/0x5e0 [ 81.953753] tipc_nl_compat_doit+0x3b6/0xb00 [ 81.958286] tipc_nl_compat_recv+0x14d7/0x2760 [ 81.962894] ? tipc_nl_node_dump+0x1300/0x1300 [ 81.967502] ? tipc_nl_compat_link_dump+0x5e0/0x5e0 [ 81.972533] ? tipc_netlink_compat_stop+0x40/0x40 [ 81.977389] genl_rcv_msg+0x185f/0x1a60 [ 81.981392] ? __msan_poison_alloca+0x1f0/0x2a0 [ 81.986086] netlink_rcv_skb+0x444/0x640 [ 81.990161] ? genl_unbind+0x390/0x390 [ 81.994067] genl_rcv+0x63/0x80 [ 81.997357] netlink_unicast+0xf40/0x1020 [ 82.001532] netlink_sendmsg+0x127f/0x1300 [ 82.005795] ___sys_sendmsg+0xdb9/0x11b0 [ 82.009873] ? netlink_getsockopt+0x1460/0x1460 [ 82.014557] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 82.019947] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 82.025316] ? __fget_light+0x6e1/0x750 [ 82.029320] __se_sys_sendmsg+0x305/0x460 [ 82.033498] __x64_sys_sendmsg+0x4a/0x70 [ 82.037571] do_syscall_64+0xbc/0xf0 [ 82.041290] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 82.046470] RIP: 0033:0x457669 [ 82.049665] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.068564] RSP: 002b:00007fd5154d3c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 82.076256] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457669 [ 82.083527] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 82.090801] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 82.098071] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd5154d46d4 [ 82.105337] R13: 00000000004c4488 R14: 00000000004d7488 R15: 00000000ffffffff [ 82.112600] [ 82.114211] Uninit was created at: [ 82.117740] kmsan_internal_poison_shadow+0x92/0x150 [ 82.122836] kmsan_kmalloc+0xac/0x130 [ 82.126629] kmsan_slab_alloc+0xe/0x10 [ 82.130511] __kmalloc_node_track_caller+0xe38/0x1060 [ 82.135696] __alloc_skb+0x309/0xa20 [ 82.139398] netlink_sendmsg+0xb82/0x1300 [ 82.143528] ___sys_sendmsg+0xdb9/0x11b0 [ 82.147583] __se_sys_sendmsg+0x305/0x460 [ 82.151722] __x64_sys_sendmsg+0x4a/0x70 [ 82.155780] do_syscall_64+0xbc/0xf0 [ 82.159478] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 82.164647] ================================================================== [ 82.172008] Disabling lock debugging due to kernel taint [ 82.177448] Kernel panic - not syncing: panic_on_warn set ... [ 82.183331] CPU: 1 PID: 7778 Comm: syz-executor1 Tainted: G B 4.20.0-rc7+ #12 [ 82.191895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.201242] Call Trace: [ 82.203843] dump_stack+0x173/0x1d0 [ 82.207457] panic+0x3ce/0x961 [ 82.210652] kmsan_report+0x293/0x2a0 [ 82.214461] __msan_warning+0x81/0xf0 [ 82.218263] strlen+0x3b/0xa0 [ 82.221359] tipc_nl_compat_link_set+0x929/0x1220 [ 82.226198] ? tipc_nl_compat_link_dump+0x5e0/0x5e0 [ 82.231226] tipc_nl_compat_doit+0x3b6/0xb00 [ 82.235651] tipc_nl_compat_recv+0x14d7/0x2760 [ 82.240262] ? tipc_nl_node_dump+0x1300/0x1300 [ 82.244828] ? tipc_nl_compat_link_dump+0x5e0/0x5e0 [ 82.249847] ? tipc_netlink_compat_stop+0x40/0x40 [ 82.254699] genl_rcv_msg+0x185f/0x1a60 [ 82.258677] ? __msan_poison_alloca+0x1f0/0x2a0 [ 82.263356] netlink_rcv_skb+0x444/0x640 [ 82.267422] ? genl_unbind+0x390/0x390 [ 82.271332] genl_rcv+0x63/0x80 [ 82.274621] netlink_unicast+0xf40/0x1020 [ 82.278765] netlink_sendmsg+0x127f/0x1300 [ 82.283001] ___sys_sendmsg+0xdb9/0x11b0 [ 82.287069] ? netlink_getsockopt+0x1460/0x1460 [ 82.291758] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 82.297119] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 82.302488] ? __fget_light+0x6e1/0x750 [ 82.306458] __se_sys_sendmsg+0x305/0x460 [ 82.310616] __x64_sys_sendmsg+0x4a/0x70 [ 82.314681] do_syscall_64+0xbc/0xf0 [ 82.318387] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 82.323563] RIP: 0033:0x457669 [ 82.326750] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.345650] RSP: 002b:00007fd5154d3c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 82.353349] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457669 [ 82.360606] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 82.367874] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 82.375150] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd5154d46d4 [ 82.382412] R13: 00000000004c4488 R14: 00000000004d7488 R15: 00000000ffffffff [ 82.390830] Kernel Offset: disabled [ 82.394448] Rebooting in 86400 seconds..