[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 93.465349] audit: type=1800 audit(1554195686.522:25): pid=10306 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 93.484558] audit: type=1800 audit(1554195686.532:26): pid=10306 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 93.504034] audit: type=1800 audit(1554195686.542:27): pid=10306 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 '10.128.0.52' (ECDSA) to the list of known hosts. 2019/04/02 09:01:41 parsed 1 programs 2019/04/02 09:02:01 executed programs: 0 syzkaller login: [ 128.964706] IPVS: ftp: loaded support on port[0] = 21 [ 129.002034] IPVS: ftp: loaded support on port[0] = 21 [ 129.024398] IPVS: ftp: loaded support on port[0] = 21 [ 129.026149] IPVS: ftp: loaded support on port[0] = 21 [ 129.062969] IPVS: ftp: loaded support on port[0] = 21 [ 129.147072] IPVS: ftp: loaded support on port[0] = 21 [ 129.531525] chnl_net:caif_netlink_parms(): no params data found [ 129.561410] chnl_net:caif_netlink_parms(): no params data found [ 129.624838] chnl_net:caif_netlink_parms(): no params data found [ 129.737404] bridge0: port 1(bridge_slave_0) entered blocking state [ 129.744132] bridge0: port 1(bridge_slave_0) entered disabled state [ 129.752544] device bridge_slave_0 entered promiscuous mode [ 129.774005] bridge0: port 2(bridge_slave_1) entered blocking state [ 129.780670] bridge0: port 2(bridge_slave_1) entered disabled state [ 129.789683] device bridge_slave_1 entered promiscuous mode [ 129.796889] chnl_net:caif_netlink_parms(): no params data found [ 129.843781] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 129.919812] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 130.002866] bridge0: port 1(bridge_slave_0) entered blocking state [ 130.009576] bridge0: port 1(bridge_slave_0) entered disabled state [ 130.017914] device bridge_slave_0 entered promiscuous mode [ 130.031389] bridge0: port 1(bridge_slave_0) entered blocking state [ 130.038142] bridge0: port 1(bridge_slave_0) entered disabled state [ 130.046470] device bridge_slave_0 entered promiscuous mode [ 130.055235] bridge0: port 2(bridge_slave_1) entered blocking state [ 130.061793] bridge0: port 2(bridge_slave_1) entered disabled state [ 130.070228] device bridge_slave_1 entered promiscuous mode [ 130.078041] chnl_net:caif_netlink_parms(): no params data found [ 130.126014] bridge0: port 2(bridge_slave_1) entered blocking state [ 130.132663] bridge0: port 2(bridge_slave_1) entered disabled state [ 130.141098] device bridge_slave_1 entered promiscuous mode [ 130.213761] team0: Port device team_slave_0 added [ 130.223015] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 130.306800] team0: Port device team_slave_1 added [ 130.315871] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 130.323707] bridge0: port 1(bridge_slave_0) entered blocking state [ 130.330499] bridge0: port 1(bridge_slave_0) entered disabled state [ 130.338922] device bridge_slave_0 entered promiscuous mode [ 130.364434] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 130.372215] chnl_net:caif_netlink_parms(): no params data found [ 130.428186] bridge0: port 2(bridge_slave_1) entered blocking state [ 130.434810] bridge0: port 2(bridge_slave_1) entered disabled state [ 130.443184] device bridge_slave_1 entered promiscuous mode [ 130.453824] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 130.536143] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 130.557713] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 130.617171] device hsr_slave_0 entered promiscuous mode [ 130.654564] device hsr_slave_1 entered promiscuous mode [ 130.712987] team0: Port device team_slave_0 added [ 130.770476] bridge0: port 1(bridge_slave_0) entered blocking state [ 130.777197] bridge0: port 1(bridge_slave_0) entered disabled state [ 130.785545] device bridge_slave_0 entered promiscuous mode [ 130.796438] team0: Port device team_slave_1 added [ 130.805988] team0: Port device team_slave_0 added [ 130.822490] bridge0: port 2(bridge_slave_1) entered blocking state [ 130.829268] bridge0: port 2(bridge_slave_1) entered disabled state [ 130.837891] device bridge_slave_1 entered promiscuous mode [ 130.865097] team0: Port device team_slave_0 added [ 130.870581] bridge0: port 1(bridge_slave_0) entered blocking state [ 130.877261] bridge0: port 1(bridge_slave_0) entered disabled state [ 130.885737] device bridge_slave_0 entered promiscuous mode [ 130.896756] team0: Port device team_slave_1 added [ 130.977075] device hsr_slave_0 entered promiscuous mode [ 131.014500] device hsr_slave_1 entered promiscuous mode [ 131.054677] bridge0: port 2(bridge_slave_1) entered blocking state [ 131.061239] bridge0: port 2(bridge_slave_1) entered disabled state [ 131.069312] device bridge_slave_1 entered promiscuous mode [ 131.080229] team0: Port device team_slave_1 added [ 131.167155] device hsr_slave_0 entered promiscuous mode [ 131.214759] device hsr_slave_1 entered promiscuous mode [ 131.338215] device hsr_slave_0 entered promiscuous mode [ 131.384471] device hsr_slave_1 entered promiscuous mode [ 131.461021] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 131.475947] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 131.486973] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 131.527967] team0: Port device team_slave_0 added [ 131.536872] team0: Port device team_slave_1 added [ 131.561160] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 131.728616] device hsr_slave_0 entered promiscuous mode [ 131.775308] device hsr_slave_1 entered promiscuous mode [ 131.817446] team0: Port device team_slave_0 added [ 131.826685] team0: Port device team_slave_1 added [ 132.038179] device hsr_slave_0 entered promiscuous mode [ 132.074785] device hsr_slave_1 entered promiscuous mode [ 132.238802] 8021q: adding VLAN 0 to HW filter on device bond0 [ 132.255414] 8021q: adding VLAN 0 to HW filter on device bond0 [ 132.276573] 8021q: adding VLAN 0 to HW filter on device bond0 [ 132.301440] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 132.309037] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 132.321096] 8021q: adding VLAN 0 to HW filter on device bond0 [ 132.346681] 8021q: adding VLAN 0 to HW filter on device team0 [ 132.353214] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 132.360862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 132.393204] 8021q: adding VLAN 0 to HW filter on device team0 [ 132.414812] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 132.422518] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 132.430298] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 132.438016] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 132.445640] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 132.454591] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 132.462828] bridge0: port 1(bridge_slave_0) entered blocking state [ 132.469432] bridge0: port 1(bridge_slave_0) entered forwarding state [ 132.491098] 8021q: adding VLAN 0 to HW filter on device team0 [ 132.520053] 8021q: adding VLAN 0 to HW filter on device bond0 [ 132.541004] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 132.549455] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 132.557921] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 132.566124] bridge0: port 1(bridge_slave_0) entered blocking state [ 132.572559] bridge0: port 1(bridge_slave_0) entered forwarding state [ 132.580127] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 132.588303] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 132.596608] bridge0: port 2(bridge_slave_1) entered blocking state [ 132.603061] bridge0: port 2(bridge_slave_1) entered forwarding state [ 132.610722] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 132.618883] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 132.627023] bridge0: port 1(bridge_slave_0) entered blocking state [ 132.633456] bridge0: port 1(bridge_slave_0) entered forwarding state [ 132.651891] 8021q: adding VLAN 0 to HW filter on device team0 [ 132.675808] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 132.683602] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 132.691656] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 132.700320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 132.710684] bridge0: port 2(bridge_slave_1) entered blocking state [ 132.717320] bridge0: port 2(bridge_slave_1) entered forwarding state [ 132.725201] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 132.734392] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 132.743535] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 132.751251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 132.776150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 132.785262] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 132.793408] bridge0: port 2(bridge_slave_1) entered blocking state [ 132.800063] bridge0: port 2(bridge_slave_1) entered forwarding state [ 132.808761] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 132.817303] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 132.825540] bridge0: port 1(bridge_slave_0) entered blocking state [ 132.832082] bridge0: port 1(bridge_slave_0) entered forwarding state [ 132.842895] 8021q: adding VLAN 0 to HW filter on device team0 [ 132.849734] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 132.867094] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 132.876461] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 132.885110] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 132.893535] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 132.901780] bridge0: port 2(bridge_slave_1) entered blocking state [ 132.908376] bridge0: port 2(bridge_slave_1) entered forwarding state [ 132.916208] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 132.949241] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 132.959016] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 132.985911] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 132.993533] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 133.002084] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 133.010102] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 133.018379] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 133.026414] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 133.034557] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 133.043727] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 133.084961] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 133.094147] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 133.103166] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 133.112024] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 133.121176] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 133.162421] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 133.186238] 8021q: adding VLAN 0 to HW filter on device bond0 [ 133.214521] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 133.222523] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 133.231041] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 133.239324] bridge0: port 1(bridge_slave_0) entered blocking state [ 133.245917] bridge0: port 1(bridge_slave_0) entered forwarding state [ 133.254511] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 133.263597] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 133.272488] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 133.281119] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 133.290018] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 133.298668] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 133.308180] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 133.316788] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 133.325068] bridge0: port 2(bridge_slave_1) entered blocking state [ 133.331615] bridge0: port 2(bridge_slave_1) entered forwarding state [ 133.339450] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 133.347224] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 133.354859] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 133.363690] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 133.376744] 8021q: adding VLAN 0 to HW filter on device team0 [ 133.414781] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 133.422699] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 133.430939] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 133.440080] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 133.448223] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 133.456399] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 133.464832] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 133.472700] bridge0: port 1(bridge_slave_0) entered blocking state [ 133.479280] bridge0: port 1(bridge_slave_0) entered forwarding state [ 133.486502] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 133.494754] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 133.502557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 133.510881] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 133.520589] bridge0: port 2(bridge_slave_1) entered blocking state [ 133.527172] bridge0: port 2(bridge_slave_1) entered forwarding state [ 133.565342] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 133.575416] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 133.601046] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 133.609034] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 133.618386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 133.627267] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 133.637627] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 133.646479] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 133.655113] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 133.663434] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 133.672148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 133.680923] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 133.690519] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 133.698529] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 133.708051] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 133.716073] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 133.732285] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 133.756931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 133.766617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 133.775682] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 133.788879] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 133.837398] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 133.871806] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 133.879810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 133.889112] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 133.897289] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 133.906150] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 133.914763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 133.923509] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 133.932106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 133.940976] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 133.949671] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 133.957918] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 133.966294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 133.974647] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 133.987112] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 134.021884] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 134.033663] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 134.041921] ================================================================== [ 134.049332] BUG: KMSAN: uninit-value in rtnl_stats_dump+0xe05/0x1240 [ 134.055839] CPU: 0 PID: 10498 Comm: syz-executor.4 Not tainted 5.1.0-rc2+ #21 [ 134.063110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 134.072467] Call Trace: [ 134.075080] dump_stack+0x173/0x1d0 [ 134.078743] kmsan_report+0x131/0x2a0 [ 134.082581] __msan_warning+0x7a/0xf0 [ 134.086413] rtnl_stats_dump+0xe05/0x1240 [ 134.090622] ? rtnl_stats_get+0x11d0/0x11d0 [ 134.094983] netlink_dump+0xa84/0x1ab0 [ 134.098888] ? wake_up_q+0x6e/0x90 [ 134.102501] __netlink_dump_start+0xa3b/0xb30 [ 134.107047] rtnetlink_rcv_msg+0x1423/0x1550 [ 134.111476] ? rtnl_stats_get+0x11d0/0x11d0 [ 134.115830] ? rtnl_stats_get+0x11d0/0x11d0 [ 134.120167] ? netdev_pick_tx+0x1d0/0x500 [ 134.124333] ? kmsan_get_shadow_origin_ptr+0x73/0x490 [ 134.129580] ? kmsan_internal_memset_shadow+0xc6/0x410 [ 134.134880] ? kmsan_get_shadow_origin_ptr+0x73/0x490 [ 134.140106] netlink_rcv_skb+0x431/0x620 [ 134.144180] ? rtnetlink_bind+0x120/0x120 [ 134.148365] rtnetlink_rcv+0x50/0x60 [ 134.152101] netlink_unicast+0xf3e/0x1020 [ 134.156294] netlink_sendmsg+0x127f/0x1300 [ 134.160580] ___sys_sendmsg+0xdb3/0x1220 [ 134.164672] ? netlink_getsockopt+0x1460/0x1460 [ 134.169380] ? __msan_poison_alloca+0x1e0/0x290 [ 134.174071] ? rcu_all_qs+0x3b/0x240 [ 134.177797] ? _cond_resched+0x20/0xa0 [ 134.181702] ? rcu_all_qs+0x3b/0x240 [ 134.185444] __sys_sendmmsg+0x580/0xad0 [ 134.189481] ? __msan_metadata_ptr_for_store_4+0x13/0x20 [ 134.194954] ? prepare_exit_to_usermode+0x114/0x420 [ 134.200001] ? kmsan_get_shadow_origin_ptr+0x73/0x490 [ 134.205203] ? syscall_return_slowpath+0x50/0x650 [ 134.210073] __se_sys_sendmmsg+0xbd/0xe0 [ 134.214169] __x64_sys_sendmmsg+0x56/0x70 [ 134.218338] do_syscall_64+0xbc/0xf0 [ 134.222069] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 134.227267] RIP: 0033:0x458209 [ 134.230472] Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 134.249384] RSP: 002b:00007fc1bbe91c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 134.257108] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000458209 [ 134.264381] RDX: 0492492492492805 RSI: 0000000020000140 RDI: 0000000000000003 [ 134.271655] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 134.278929] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1bbe926d4 [ 134.286220] R13: 00000000004c5199 R14: 00000000004d92f8 R15: 00000000ffffffff [ 134.293512] [ 134.295140] Uninit was created at: [ 134.298696] kmsan_internal_poison_shadow+0x92/0x150 [ 134.303807] kmsan_kmalloc+0xa9/0x130 [ 134.307617] kmsan_slab_alloc+0xe/0x10 [ 134.311544] __kmalloc_node_track_caller+0xead/0x1000 [ 134.316746] __alloc_skb+0x309/0xa20 [ 134.320469] netlink_sendmsg+0xb82/0x1300 [ 134.324624] ___sys_sendmsg+0xdb3/0x1220 [ 134.328693] __sys_sendmmsg+0x580/0xad0 [ 134.332672] __se_sys_sendmmsg+0xbd/0xe0 [ 134.336743] __x64_sys_sendmmsg+0x56/0x70 [ 134.340902] do_syscall_64+0xbc/0xf0 [ 134.344623] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 134.349808] ================================================================== [ 134.357163] Disabling lock debugging due to kernel taint [ 134.362617] Kernel panic - not syncing: panic_on_warn set ... [ 134.368518] CPU: 0 PID: 10498 Comm: syz-executor.4 Tainted: G B 5.1.0-rc2+ #21 [ 134.377178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 134.386536] Call Trace: [ 134.389144] dump_stack+0x173/0x1d0 [ 134.392798] panic+0x3d1/0xb01 [ 134.396054] kmsan_report+0x29a/0x2a0 [ 134.399882] __msan_warning+0x7a/0xf0 [ 134.403708] rtnl_stats_dump+0xe05/0x1240 [ 134.407911] ? rtnl_stats_get+0x11d0/0x11d0 [ 134.412258] netlink_dump+0xa84/0x1ab0 [ 134.416164] ? wake_up_q+0x6e/0x90 [ 134.419752] __netlink_dump_start+0xa3b/0xb30 [ 134.424288] rtnetlink_rcv_msg+0x1423/0x1550 [ 134.428738] ? rtnl_stats_get+0x11d0/0x11d0 [ 134.433093] ? rtnl_stats_get+0x11d0/0x11d0 [ 134.437450] ? netdev_pick_tx+0x1d0/0x500 [ 134.441615] ? kmsan_get_shadow_origin_ptr+0x73/0x490 [ 134.446859] ? kmsan_internal_memset_shadow+0xc6/0x410 [ 134.452156] ? kmsan_get_shadow_origin_ptr+0x73/0x490 [ 134.457369] netlink_rcv_skb+0x431/0x620 [ 134.461448] ? rtnetlink_bind+0x120/0x120 [ 134.465634] rtnetlink_rcv+0x50/0x60 [ 134.469366] netlink_unicast+0xf3e/0x1020 [ 134.473577] netlink_sendmsg+0x127f/0x1300 [ 134.477864] ___sys_sendmsg+0xdb3/0x1220 [ 134.481961] ? netlink_getsockopt+0x1460/0x1460 [ 134.486673] ? __msan_poison_alloca+0x1e0/0x290 [ 134.491373] ? rcu_all_qs+0x3b/0x240 [ 134.495100] ? _cond_resched+0x20/0xa0 [ 134.499015] ? rcu_all_qs+0x3b/0x240 [ 134.502755] __sys_sendmmsg+0x580/0xad0 [ 134.506784] ? __msan_metadata_ptr_for_store_4+0x13/0x20 [ 134.512257] ? prepare_exit_to_usermode+0x114/0x420 [ 134.517285] ? kmsan_get_shadow_origin_ptr+0x73/0x490 [ 134.522483] ? syscall_return_slowpath+0x50/0x650 [ 134.527357] __se_sys_sendmmsg+0xbd/0xe0 [ 134.531447] __x64_sys_sendmmsg+0x56/0x70 [ 134.535609] do_syscall_64+0xbc/0xf0 [ 134.539343] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 134.544990] RIP: 0033:0x458209 [ 134.548196] Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 134.567103] RSP: 002b:00007fc1bbe91c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 134.574820] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000458209 [ 134.582094] RDX: 0492492492492805 RSI: 0000000020000140 RDI: 0000000000000003 [ 134.589371] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 134.596644] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1bbe926d4 [ 134.603924] R13: 00000000004c5199 R14: 00000000004d92f8 R15: 00000000ffffffff [ 134.611994] Kernel Offset: disabled [ 134.615624] Rebooting in 86400 seconds..