INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] 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 '10.128.0.49' (ECDSA) to the list of known hosts. 2018/04/22 14:21:26 fuzzer started 2018/04/22 14:21:26 dialing manager at 10.128.0.26:42949 syzkaller login: [ 48.846350] can: request_module (can-proto-0) failed. [ 48.857901] can: request_module (can-proto-0) failed. 2018/04/22 14:21:33 kcov=true, comps=false 2018/04/22 14:21:37 executing program 0: 2018/04/22 14:21:37 executing program 1: 2018/04/22 14:21:37 executing program 7: 2018/04/22 14:21:37 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000b00)='./cgroup.cpu\x00', 0x200002, 0x0) rt_sigprocmask(0x0, &(0x7f0000032ff8)={0xfffffffffffffffe}, 0x0, 0x8) setrlimit(0x1, &(0x7f0000011000)={0x9, 0x9}) fchdir(r0) r1 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) write$fuse(0xffffffffffffffff, &(0x7f00000000c0)=ANY=[], 0x0) sendfile(r1, r1, &(0x7f0000000040), 0x80000001) 2018/04/22 14:21:37 executing program 2: r0 = socket(0x15, 0x80005, 0x0) getsockopt(r0, 0x114, 0x2713, &(0x7f0000000080)=""/13, &(0x7f00000000c0)=0xd) 2018/04/22 14:21:37 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket(0x15, 0x80005, 0x0) getsockopt(r0, 0x114, 0x2713, &(0x7f0000000080)=""/13, &(0x7f0000000040)=0x19) ioctl$LOOP_CHANGE_FD(0xffffffffffffffff, 0x4c06, 0xffffffffffffffff) semget(0x3, 0x7, 0x0) 2018/04/22 14:21:37 executing program 5: r0 = socket$inet6(0xa, 0x80803, 0x2f) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xb}}}, 0x1c) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f00000001c0)={{{@in=@dev={0xac, 0x14, 0x14}, @in6=@loopback={0x0, 0x1}, 0x0, 0x0, 0x0, 0x0, 0x2}, {}, {}, 0x0, 0x0, 0x1}, {{@in6=@loopback={0x0, 0x1}, 0x0, 0x2b}, 0x0, @in=@remote={0xac, 0x14, 0x14, 0xbb}, 0x0, 0x0, 0x0, 0x90}}, 0xe8) connect$inet6(r0, &(0x7f00000000c0)={0xa}, 0x1c) 2018/04/22 14:21:37 executing program 6: [ 53.996351] IPVS: ftp: loaded support on port[0] = 21 [ 54.100887] IPVS: ftp: loaded support on port[0] = 21 [ 54.146125] IPVS: ftp: loaded support on port[0] = 21 [ 54.205903] IPVS: ftp: loaded support on port[0] = 21 [ 54.287855] IPVS: ftp: loaded support on port[0] = 21 [ 54.396683] IPVS: ftp: loaded support on port[0] = 21 [ 54.546696] IPVS: ftp: loaded support on port[0] = 21 [ 54.680942] IPVS: ftp: loaded support on port[0] = 21 [ 55.954630] ip (4715) used greatest stack depth: 54312 bytes left [ 56.499490] ip (4755) used greatest stack depth: 53992 bytes left [ 56.553256] ip (4757) used greatest stack depth: 53944 bytes left [ 56.801568] ip (4776) used greatest stack depth: 53928 bytes left [ 57.117729] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.124370] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.161164] device bridge_slave_0 entered promiscuous mode [ 57.345817] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.352333] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.384170] device bridge_slave_0 entered promiscuous mode [ 57.426905] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.433406] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.435251] ip (4827) used greatest stack depth: 53656 bytes left [ 57.466412] device bridge_slave_1 entered promiscuous mode [ 57.580962] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.587475] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.618513] device bridge_slave_0 entered promiscuous mode [ 57.637029] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.643759] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.665490] device bridge_slave_1 entered promiscuous mode [ 57.712690] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 57.728262] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.734754] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.775390] device bridge_slave_0 entered promiscuous mode [ 57.812087] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 57.823210] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.829684] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.885149] device bridge_slave_1 entered promiscuous mode [ 57.945999] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 57.986406] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.992972] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.029194] device bridge_slave_1 entered promiscuous mode [ 58.056224] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.062744] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.091857] device bridge_slave_0 entered promiscuous mode [ 58.105532] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.147514] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.173340] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.179859] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.213615] device bridge_slave_0 entered promiscuous mode [ 58.239312] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.245803] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.282002] device bridge_slave_0 entered promiscuous mode [ 58.302973] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.323103] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.330243] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.336729] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.351778] device bridge_slave_0 entered promiscuous mode [ 58.378538] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.385098] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.415347] device bridge_slave_1 entered promiscuous mode [ 58.446270] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.452802] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.501286] device bridge_slave_1 entered promiscuous mode [ 58.530854] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.537355] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.565513] device bridge_slave_1 entered promiscuous mode [ 58.574549] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.581115] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.596314] device bridge_slave_1 entered promiscuous mode [ 58.614785] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.643236] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.670950] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.685740] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.714288] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.837763] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.889157] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.897910] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.922784] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 58.932973] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.951292] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 59.033709] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 59.049886] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 59.191626] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 59.200414] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.224149] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 59.337485] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 59.348693] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 59.456650] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 59.463617] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.493572] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 59.502177] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 59.509208] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.561953] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 59.574131] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 59.585155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.605114] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 59.674637] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 59.707995] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 59.715830] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.771201] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 59.794668] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 59.809559] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 59.821384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.838323] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 59.846212] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.859540] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 59.909092] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 59.996115] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 60.009648] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.024454] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 60.032236] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.074325] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 60.085217] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.148793] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 60.187779] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 60.201254] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.230265] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 60.247768] team0: Port device team_slave_0 added [ 60.269133] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 60.277434] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.323783] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 60.336471] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.362552] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 60.369558] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.435625] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 60.442729] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.454320] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 60.472687] team0: Port device team_slave_0 added [ 60.500848] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 60.520537] team0: Port device team_slave_1 added [ 60.606759] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 60.613768] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.650221] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 60.676141] team0: Port device team_slave_0 added [ 60.698602] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 60.721937] team0: Port device team_slave_1 added [ 60.802188] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 60.809258] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.824577] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.867362] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 60.879378] team0: Port device team_slave_0 added [ 60.918283] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 60.946123] team0: Port device team_slave_1 added [ 60.973458] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 60.982454] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 61.002137] team0: Port device team_slave_0 added [ 61.021085] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.046653] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.074351] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 61.083238] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 61.094167] team0: Port device team_slave_0 added [ 61.108071] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.129334] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.163312] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 61.181079] team0: Port device team_slave_0 added [ 61.198480] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 61.211726] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 61.219329] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.232194] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.260144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.282104] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.296306] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 61.305623] team0: Port device team_slave_1 added [ 61.313410] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 61.325996] team0: Port device team_slave_1 added [ 61.341201] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 61.363260] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.377465] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.395536] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 61.407335] team0: Port device team_slave_0 added [ 61.415904] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 61.434611] team0: Port device team_slave_1 added [ 61.452643] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 61.471564] team0: Port device team_slave_1 added [ 61.479696] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 61.487174] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.505183] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.548014] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 61.560578] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.583935] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.607845] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 61.616716] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 61.628193] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 61.635559] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.659807] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.673818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.685378] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.694248] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.703558] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.713936] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 61.725106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.752124] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.784507] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 61.792644] team0: Port device team_slave_1 added [ 61.810427] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 61.818506] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 61.835706] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 61.843453] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 61.850506] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.871551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.900626] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.935294] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.952868] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.963106] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.971221] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.979356] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.994281] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 62.008978] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 62.028520] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 62.036583] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.064873] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.083451] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.112428] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.133214] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.141798] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.150579] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 62.160314] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.171280] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.185257] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 62.206420] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 62.218662] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 62.228605] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.250397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.299308] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.328982] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.347731] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.357320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.366811] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 62.387714] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.397347] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.417121] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 62.426584] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 62.435194] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 62.443514] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.452882] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.483485] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.509824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.538181] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.559602] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.588383] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 62.597696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.610722] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.650981] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 62.663195] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 62.674226] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.688209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.735535] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.770942] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.823513] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 62.830941] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.855570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.064774] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 63.072556] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.092373] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.450681] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.457223] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.464134] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.470587] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.505617] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 64.512936] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.544429] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.550926] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.557790] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.564266] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.592214] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 64.806810] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.813305] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.820166] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.826615] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.862784] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 64.893105] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.899614] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.906504] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.912972] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.978415] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 65.036703] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.043219] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.050098] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.056558] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.111729] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 65.161532] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.168090] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.174956] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.181442] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.233660] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 65.249552] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.256083] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.262947] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.269409] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.315410] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 65.567266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.583295] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.609976] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.634918] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.664907] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.689782] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.751997] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.758509] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.765405] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.771879] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.855209] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 66.591854] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.420772] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.682548] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.885923] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.925964] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.014361] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.140286] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.342916] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.469728] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.513972] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.760550] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.794695] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.842804] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.918824] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.986815] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 75.212203] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 75.219830] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.235150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.287482] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 75.380727] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 75.387196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.405004] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.621557] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 75.627892] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.636485] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.680964] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 75.687542] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.713303] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.755514] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 75.761846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.785428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.844244] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 75.911932] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 75.918316] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.933327] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.097021] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.205099] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 76.211417] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.223165] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.344892] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.464675] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.488317] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.700388] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.786201] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 76.792618] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.803204] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.846918] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.042236] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.630662] 8021q: adding VLAN 0 to HW filter on device team0 2018/04/22 14:22:06 executing program 0: perf_event_open(&(0x7f0000348f88)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$unix(0x1, 0x5, 0x0) shutdown(r0, 0x0) 2018/04/22 14:22:06 executing program 4: 2018/04/22 14:22:06 executing program 1: r0 = socket(0x10, 0x803, 0x0) write(r0, &(0x7f0000000040)="2400000026002553075f01650272fc0280000000001000220ee1000c0800170000000000", 0x24) 2018/04/22 14:22:06 executing program 6: r0 = socket(0xa, 0x2, 0x0) r1 = open(&(0x7f0000000200)='./file0\x00', 0x28042, 0x0) fallocate(r1, 0x0, 0xffff, 0x1f) connect$inet(r0, &(0x7f00000006c0)={0x2, 0x0, @loopback=0x7f000001}, 0x10) setsockopt$inet6_IPV6_ADDRFORM(r0, 0x29, 0x1, &(0x7f0000000380)=0x2, 0x4) sendfile(r0, r1, &(0x7f00005faff8), 0xff7b) 2018/04/22 14:22:06 executing program 7: 2018/04/22 14:22:06 executing program 3: r0 = socket$pptp(0x18, 0x1, 0x2) bind$pptp(r0, &(0x7f0000000080)={0x18, 0x2, {0x0, @remote={0xac, 0x14, 0x14, 0xbb}}}, 0x1e) connect$pptp(r0, &(0x7f0000000040)={0x18, 0x2, {0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}}, 0x1e) 2018/04/22 14:22:06 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x8000000000000ff) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @dev={0xfe, 0x80}, 0x9}, 0x1c) sendmsg$key(r0, &(0x7f0000000080)={0x20480, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYBLOB="0200000006003a0000000000000000000400000000000000000000000000000000a2b1a20700006c"], 0x28}, 0x1}, 0x0) 2018/04/22 14:22:06 executing program 5: bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000000040)={0xffffffffffffffff, &(0x7f00000000c0)="b82283392dc50ff1fb635a5849d2f5916ae2fdc24e95e12aa8daccf7393e72be9cc66f"}, 0x10) bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7, 0x38}, 0x2c) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x0, 0x7, 0x0, 0x1}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251}, 0x18) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000389000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000140)={r0, 0x50, &(0x7f00000000c0)}, 0x10) socketpair$inet(0xffffffffff601156, 0x0, 0x0, &(0x7f0000000080)) [ 82.200665] ================================================================== [ 82.208087] BUG: KMSAN: uninit-value in __udp4_lib_rcv+0xe5e/0x4ae0 [ 82.214511] CPU: 1 PID: 6644 Comm: syz-executor6 Not tainted 4.16.0+ #85 [ 82.221346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.230698] Call Trace: [ 82.233272] [ 82.235423] dump_stack+0x185/0x1d0 [ 82.239046] ? __udp4_lib_rcv+0xe5e/0x4ae0 [ 82.243282] kmsan_report+0x142/0x240 [ 82.247087] __msan_warning_32+0x6c/0xb0 [ 82.251149] __udp4_lib_rcv+0xe5e/0x4ae0 [ 82.255210] ? raw_local_deliver+0x63/0x1660 [ 82.259604] ? ip_local_deliver_finish+0x27b/0xec0 [ 82.264525] ? raw_local_deliver+0xe2/0x1660 [ 82.268916] ? nf_nat_ipv4_fn+0x24c/0xda0 [ 82.273059] udp_rcv+0x5c/0x70 [ 82.276234] ? udp_v4_early_demux+0x1e70/0x1e70 [ 82.280887] ip_local_deliver_finish+0x874/0xec0 [ 82.285632] ip_local_deliver+0x43c/0x4e0 [ 82.289762] ? ip_local_deliver+0x4e0/0x4e0 [ 82.294067] ? ip_call_ra_chain+0x7b0/0x7b0 [ 82.298370] ip_rcv_finish+0xa36/0x1d00 [ 82.302326] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 82.307675] ? nf_hook_slow+0x36f/0x3d0 [ 82.311646] ip_rcv+0x118f/0x16d0 [ 82.315083] ? ip_rcv+0x16d0/0x16d0 [ 82.318964] __netif_receive_skb_core+0x47df/0x4a90 [ 82.323963] ? try_to_wake_up+0x1ab2/0x20a0 [ 82.328267] ? kmsan_write_aligned_origin_inline+0x60/0x60 [ 82.333874] ? ip_local_deliver_finish+0xec0/0xec0 [ 82.338786] process_backlog+0x62d/0xe20 [ 82.342834] ? rps_trigger_softirq+0x2f0/0x2f0 [ 82.347397] net_rx_action+0x7c1/0x1a70 [ 82.351362] ? net_tx_action+0xab0/0xab0 [ 82.355404] __do_softirq+0x56d/0x93d [ 82.359190] do_softirq_own_stack+0x2a/0x40 [ 82.363489] [ 82.365711] __local_bh_enable_ip+0x114/0x140 [ 82.370191] local_bh_enable+0x36/0x40 [ 82.374064] ip_finish_output2+0x135a/0x1470 [ 82.378467] ip_finish_output+0xcb2/0xff0 [ 82.382600] ip_output+0x505/0x5d0 [ 82.386549] ? ip_mc_finish_output+0x3b0/0x3b0 [ 82.391115] ? ip_finish_output+0xff0/0xff0 [ 82.395415] ip_send_skb+0x173/0x350 [ 82.399115] udp_send_skb+0xeb6/0x1310 [ 82.402998] udp_sendpage+0x726/0x960 [ 82.406797] ? udplite_getfrag+0x100/0x100 [ 82.411028] inet_sendpage+0x4ea/0x8c0 [ 82.414905] ? inet_sendmsg+0x740/0x740 [ 82.418881] sock_sendpage+0x1de/0x2c0 [ 82.422752] pipe_to_sendpage+0x31b/0x430 [ 82.426887] ? sock_fasync+0x2b0/0x2b0 [ 82.430762] ? propagate_umount+0x3a30/0x3a30 [ 82.435235] __splice_from_pipe+0x49a/0xf30 [ 82.439535] ? generic_splice_sendpage+0x2a0/0x2a0 [ 82.444449] generic_splice_sendpage+0x1c6/0x2a0 [ 82.449187] ? iter_file_splice_write+0x1710/0x1710 [ 82.454195] ? iter_file_splice_write+0x1710/0x1710 [ 82.459193] direct_splice_actor+0x19b/0x200 [ 82.463586] splice_direct_to_actor+0x764/0x1040 [ 82.468328] ? do_splice_direct+0x540/0x540 [ 82.472635] ? security_file_permission+0x28f/0x4b0 [ 82.477637] ? rw_verify_area+0x35e/0x580 [ 82.481768] do_splice_direct+0x335/0x540 [ 82.485902] do_sendfile+0x1067/0x1e40 [ 82.489777] SYSC_sendfile64+0x1b3/0x300 [ 82.493822] SyS_sendfile64+0x64/0x90 [ 82.497691] do_syscall_64+0x309/0x430 [ 82.501564] ? SYSC_sendfile+0x320/0x320 [ 82.505619] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 82.510799] RIP: 0033:0x455389 [ 82.513988] RSP: 002b:00007f140f276c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 82.521680] RAX: ffffffffffffffda RBX: 00007f140f2776d4 RCX: 0000000000455389 [ 82.528930] RDX: 00000000205faff8 RSI: 0000000000000014 RDI: 0000000000000013 [ 82.536186] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 82.543438] R10: 000000000000ff7b R11: 0000000000000246 R12: 00000000ffffffff [ 82.550689] R13: 00000000000004cf R14: 00000000006fa408 R15: 0000000000000000 [ 82.557941] [ 82.559562] Uninit was stored to memory at: [ 82.563870] kmsan_internal_chain_origin+0x12b/0x210 [ 82.568954] __msan_chain_origin+0x69/0xc0 [ 82.573172] udp_send_skb+0x108b/0x1310 [ 82.577134] udp_sendpage+0x726/0x960 [ 82.580916] inet_sendpage+0x4ea/0x8c0 [ 82.584787] sock_sendpage+0x1de/0x2c0 [ 82.588656] pipe_to_sendpage+0x31b/0x430 [ 82.592786] __splice_from_pipe+0x49a/0xf30 [ 82.597096] generic_splice_sendpage+0x1c6/0x2a0 [ 82.601834] direct_splice_actor+0x19b/0x200 [ 82.606224] splice_direct_to_actor+0x764/0x1040 [ 82.610961] do_splice_direct+0x335/0x540 [ 82.615091] do_sendfile+0x1067/0x1e40 [ 82.618960] SYSC_sendfile64+0x1b3/0x300 [ 82.623008] SyS_sendfile64+0x64/0x90 [ 82.626796] do_syscall_64+0x309/0x430 [ 82.630668] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 82.635836] Uninit was stored to memory at: [ 82.640155] kmsan_internal_chain_origin+0x12b/0x210 [ 82.645258] __msan_chain_origin+0x69/0xc0 [ 82.649488] ip_append_page+0x1174/0x1fc0 [ 82.653635] udp_sendpage+0x2d6/0x960 [ 82.657420] inet_sendpage+0x4ea/0x8c0 [ 82.661297] sock_sendpage+0x1de/0x2c0 [ 82.665184] pipe_to_sendpage+0x31b/0x430 [ 82.669322] __splice_from_pipe+0x49a/0xf30 [ 82.673637] generic_splice_sendpage+0x1c6/0x2a0 [ 82.678373] direct_splice_actor+0x19b/0x200 [ 82.682761] splice_direct_to_actor+0x764/0x1040 [ 82.687499] do_splice_direct+0x335/0x540 [ 82.691635] do_sendfile+0x1067/0x1e40 [ 82.695503] SYSC_sendfile64+0x1b3/0x300 [ 82.699541] SyS_sendfile64+0x64/0x90 [ 82.703325] do_syscall_64+0x309/0x430 [ 82.707202] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 82.712372] Uninit was created at: [ 82.715895] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 82.720894] kmsan_alloc_page+0x82/0xe0 [ 82.724851] __alloc_pages_nodemask+0xf5b/0x5dc0 [ 82.729592] alloc_pages_vma+0xcc8/0x1800 [ 82.733724] shmem_alloc_and_acct_page+0x6d5/0x1000 [ 82.738722] shmem_getpage_gfp+0x35db/0x5770 [ 82.743110] shmem_fallocate+0xde2/0x1610 [ 82.747239] vfs_fallocate+0x9dc/0xde0 [ 82.751111] SYSC_fallocate+0x119/0x1d0 [ 82.755067] SyS_fallocate+0x64/0x90 [ 82.758770] do_syscall_64+0x309/0x430 [ 82.762651] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 82.767816] ================================================================== [ 82.775418] Disabling lock debugging due to kernel taint [ 82.780846] Kernel panic - not syncing: panic_on_warn set ... [ 82.780846] [ 82.788193] CPU: 1 PID: 6644 Comm: syz-executor6 Tainted: G B 4.16.0+ #85 [ 82.796312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.805649] Call Trace: [ 82.808229] [ 82.810375] dump_stack+0x185/0x1d0 [ 82.813985] panic+0x39d/0x940 [ 82.817173] ? __udp4_lib_rcv+0xe5e/0x4ae0 [ 82.821394] kmsan_report+0x238/0x240 [ 82.825179] __msan_warning_32+0x6c/0xb0 [ 82.829233] __udp4_lib_rcv+0xe5e/0x4ae0 [ 82.833282] ? raw_local_deliver+0x63/0x1660 [ 82.837673] ? ip_local_deliver_finish+0x27b/0xec0 [ 82.842767] ? raw_local_deliver+0xe2/0x1660 [ 82.847158] ? nf_nat_ipv4_fn+0x24c/0xda0 [ 82.851300] udp_rcv+0x5c/0x70 [ 82.854475] ? udp_v4_early_demux+0x1e70/0x1e70 [ 82.859129] ip_local_deliver_finish+0x874/0xec0 [ 82.864052] ip_local_deliver+0x43c/0x4e0 [ 82.868194] ? ip_local_deliver+0x4e0/0x4e0 [ 82.872505] ? ip_call_ra_chain+0x7b0/0x7b0 [ 82.876820] ip_rcv_finish+0xa36/0x1d00 [ 82.880780] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 82.886130] ? nf_hook_slow+0x36f/0x3d0 [ 82.890092] ip_rcv+0x118f/0x16d0 [ 82.893530] ? ip_rcv+0x16d0/0x16d0 [ 82.897153] __netif_receive_skb_core+0x47df/0x4a90 [ 82.902164] ? try_to_wake_up+0x1ab2/0x20a0 [ 82.906470] ? kmsan_write_aligned_origin_inline+0x60/0x60 [ 82.912088] ? ip_local_deliver_finish+0xec0/0xec0 [ 82.917002] process_backlog+0x62d/0xe20 [ 82.921064] ? rps_trigger_softirq+0x2f0/0x2f0 [ 82.925629] net_rx_action+0x7c1/0x1a70 [ 82.929590] ? net_tx_action+0xab0/0xab0 [ 82.933636] __do_softirq+0x56d/0x93d [ 82.937433] do_softirq_own_stack+0x2a/0x40 [ 82.941730] [ 82.943951] __local_bh_enable_ip+0x114/0x140 [ 82.948429] local_bh_enable+0x36/0x40 [ 82.952297] ip_finish_output2+0x135a/0x1470 [ 82.956691] ip_finish_output+0xcb2/0xff0 [ 82.960826] ip_output+0x505/0x5d0 [ 82.964356] ? ip_mc_finish_output+0x3b0/0x3b0 [ 82.968923] ? ip_finish_output+0xff0/0xff0 [ 82.973229] ip_send_skb+0x173/0x350 [ 82.976930] udp_send_skb+0xeb6/0x1310 [ 82.980805] udp_sendpage+0x726/0x960 [ 82.984595] ? udplite_getfrag+0x100/0x100 [ 82.988813] inet_sendpage+0x4ea/0x8c0 [ 82.992686] ? inet_sendmsg+0x740/0x740 [ 82.996646] sock_sendpage+0x1de/0x2c0 [ 83.000520] pipe_to_sendpage+0x31b/0x430 [ 83.004649] ? sock_fasync+0x2b0/0x2b0 [ 83.008535] ? propagate_umount+0x3a30/0x3a30 [ 83.013009] __splice_from_pipe+0x49a/0xf30 [ 83.017315] ? generic_splice_sendpage+0x2a0/0x2a0 [ 83.022231] generic_splice_sendpage+0x1c6/0x2a0 [ 83.026971] ? iter_file_splice_write+0x1710/0x1710 [ 83.031965] ? iter_file_splice_write+0x1710/0x1710 [ 83.036962] direct_splice_actor+0x19b/0x200 [ 83.041354] splice_direct_to_actor+0x764/0x1040 [ 83.046093] ? do_splice_direct+0x540/0x540 [ 83.050406] ? security_file_permission+0x28f/0x4b0 [ 83.055411] ? rw_verify_area+0x35e/0x580 [ 83.059546] do_splice_direct+0x335/0x540 [ 83.063695] do_sendfile+0x1067/0x1e40 [ 83.067572] SYSC_sendfile64+0x1b3/0x300 [ 83.071618] SyS_sendfile64+0x64/0x90 [ 83.075410] do_syscall_64+0x309/0x430 [ 83.079280] ? SYSC_sendfile+0x320/0x320 [ 83.083328] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 83.088508] RIP: 0033:0x455389 [ 83.091679] RSP: 002b:00007f140f276c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 83.099370] RAX: ffffffffffffffda RBX: 00007f140f2776d4 RCX: 0000000000455389 [ 83.106630] RDX: 00000000205faff8 RSI: 0000000000000014 RDI: 0000000000000013 [ 83.113888] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 83.121142] R10: 000000000000ff7b R11: 0000000000000246 R12: 00000000ffffffff [ 83.128393] R13: 00000000000004cf R14: 00000000006fa408 R15: 0000000000000000 [ 83.136184] Dumping ftrace buffer: [ 83.139704] (ftrace buffer empty) [ 83.143390] Kernel Offset: disabled [ 83.147006] Rebooting in 86400 seconds..