[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 17.540695] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 21.753929] random: sshd: uninitialized urandom read (32 bytes read) [ 22.141986] random: sshd: uninitialized urandom read (32 bytes read) [ 22.848468] random: sshd: uninitialized urandom read (32 bytes read) [ 22.999102] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.53' (ECDSA) to the list of known hosts. [ 28.404359] random: sshd: uninitialized urandom read (32 bytes read) [ 28.513501] IPVS: ftp: loaded support on port[0] = 21 [ 28.513985] IPVS: ftp: loaded support on port[0] = 21 [ 28.525590] IPVS: ftp: loaded support on port[0] = 21 [ 28.525650] IPVS: ftp: loaded support on port[0] = 21 [ 28.531538] IPVS: ftp: loaded support on port[0] = 21 [ 28.536285] IPVS: ftp: loaded support on port[0] = 21 [ 28.541539] IPVS: ftp: loaded support on port[0] = 21 [ 28.546705] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 29.670979] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.677494] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.694812] device bridge_slave_0 entered promiscuous mode [ 29.751101] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.757495] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.777746] device bridge_slave_1 entered promiscuous mode [ 29.802843] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.809234] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.817873] device bridge_slave_0 entered promiscuous mode [ 29.831996] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.838404] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.845982] device bridge_slave_0 entered promiscuous mode [ 29.852847] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.859356] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.870811] device bridge_slave_0 entered promiscuous mode [ 29.879245] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.885686] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.892759] device bridge_slave_0 entered promiscuous mode [ 29.900667] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 29.908812] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.915197] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.922889] device bridge_slave_0 entered promiscuous mode [ 29.931712] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.938081] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.948603] device bridge_slave_0 entered promiscuous mode [ 29.956790] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.963158] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.970690] device bridge_slave_1 entered promiscuous mode [ 29.978849] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 29.987057] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.993417] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.003520] device bridge_slave_0 entered promiscuous mode [ 30.010647] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.017081] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.025617] device bridge_slave_1 entered promiscuous mode [ 30.033956] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.040308] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.049498] device bridge_slave_1 entered promiscuous mode [ 30.055850] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.062336] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.071665] device bridge_slave_1 entered promiscuous mode [ 30.084864] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.091269] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.103932] device bridge_slave_1 entered promiscuous mode [ 30.112368] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 30.121130] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 30.129229] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.135604] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.143733] device bridge_slave_1 entered promiscuous mode [ 30.150652] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.157185] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.168147] device bridge_slave_1 entered promiscuous mode [ 30.174985] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 30.183465] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 30.206600] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 30.214909] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 30.222107] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 30.229537] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 30.240480] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 30.253915] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 30.265626] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 30.297362] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 30.307149] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 30.325351] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 30.333726] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 30.396345] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 30.436824] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 30.469346] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 30.497848] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 30.508940] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 30.527866] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 30.535761] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 30.546885] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 30.562856] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 30.574499] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 30.586433] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 30.595492] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 30.604306] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 30.615535] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 30.632252] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 30.640438] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 30.657593] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 30.685461] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 30.695727] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 30.865673] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 30.883431] team0: Port device team_slave_0 added [ 30.932511] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 30.941820] team0: Port device team_slave_1 added [ 30.947933] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 30.959196] team0: Port device team_slave_0 added [ 30.969964] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 30.978082] team0: Port device team_slave_0 added [ 30.985394] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 30.992954] team0: Port device team_slave_0 added [ 31.015225] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 31.035933] team0: Port device team_slave_1 added [ 31.049722] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 31.057827] team0: Port device team_slave_0 added [ 31.063852] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 31.076844] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 31.083908] team0: Port device team_slave_1 added [ 31.091649] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 31.102180] team0: Port device team_slave_0 added [ 31.109380] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 31.117979] team0: Port device team_slave_0 added [ 31.125482] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 31.136613] team0: Port device team_slave_0 added [ 31.146170] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 31.153842] team0: Port device team_slave_1 added [ 31.159061] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 31.166460] team0: Port device team_slave_1 added [ 31.173834] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 31.184416] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 31.192578] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 31.205390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 31.214544] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 31.222630] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 31.232821] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 31.239934] team0: Port device team_slave_1 added [ 31.250171] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 31.263271] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 31.273575] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 31.280839] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 31.290613] team0: Port device team_slave_1 added [ 31.300716] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 31.311317] team0: Port device team_slave_1 added [ 31.318338] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 31.325410] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 31.332743] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 31.341446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 31.350712] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 31.362664] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 31.370276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 31.377876] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 31.388881] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 31.397295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 31.407637] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 31.418706] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 31.429862] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 31.438693] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 31.446164] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 31.454741] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 31.463460] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 31.474008] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 31.481981] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 31.494124] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 31.501879] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 31.509691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 31.517346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 31.525056] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 31.532424] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 31.540158] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 31.548870] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 31.556723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 31.564636] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 31.576281] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 31.583993] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 31.593092] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 31.603831] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 31.612649] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 31.620282] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 31.627669] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 31.634810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 31.651572] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 31.672285] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 31.683794] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 31.691503] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 31.699239] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 31.706598] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 31.714468] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 31.722200] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 31.729850] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 31.737604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 31.745398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 31.753126] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 31.760785] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 31.770613] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 31.781308] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 31.789530] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 31.799204] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 31.806284] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 31.819264] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 31.829530] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 31.836661] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 31.846362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 31.857928] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 31.865270] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 31.873629] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 31.886425] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 31.902910] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 31.912324] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 31.919550] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 31.933064] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 31.952510] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 31.961234] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 31.969371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 31.977173] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 31.991584] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 32.003448] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 32.020812] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 32.437899] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.444410] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.451363] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.457752] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.473159] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available [ 32.549959] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.556334] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.562969] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.569346] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.577974] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 32.630582] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.636956] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.643609] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.649983] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.657525] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 32.669844] bridge0: port 2(bridge_slave_1) entered blocking state RTNETLINK answers: Operation not supported [ 32.676227] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.682888] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.689243] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.698350] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 32.707149] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.713519] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.720176] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.726543] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.733803] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 32.742406] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.748758] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.755369] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.761715] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.770347] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available [ 32.784302] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.790678] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.797342] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.803707] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.812198] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 32.928048] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.934430] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.941121] bridge0: port 1(bridge_slave_0) entered blocking state [ 32.947480] bridge0: port 1(bridge_slave_0) entered forwarding state [ 32.962656] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 33.312807] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 33.325546] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 33.334055] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 33.342568] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 33.350496] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready RTNETLINK answers: Operation not supported [ 33.357684] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 33.365053] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 33.372328] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 35.248601] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.276624] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.318306] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.344434] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.358069] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.384935] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.451309] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.520819] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 35.534781] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 35.547996] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 35.556591] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 35.573373] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 35.585960] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.664611] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 35.702737] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 35.739756] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 35.746066] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 35.753544] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.796102] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 35.802317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 35.811842] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.826198] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 35.834717] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 35.845353] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 35.858156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.871131] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 35.888897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 35.914730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.926848] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 35.933088] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 35.940706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.952660] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 35.973207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 35.985664] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.033140] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.059853] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 36.070392] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 36.082602] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.112056] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 36.120478] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 36.130929] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.154484] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.171992] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.197908] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.222644] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.254398] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.316543] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.409875] 8021q: adding VLAN 0 to HW filter on device team0 executing program executing program [ 37.422472] protocol 0000 is buggy, dev sit0 [ 37.427119] ================================================================== [ 37.434553] BUG: KASAN: use-after-free in skb_release_data+0x19b/0x860 [ 37.441214] Write of size 4 at addr ffff8801c6804b60 by task syz-executor257/4435 [ 37.448822] [ 37.450451] CPU: 1 PID: 4435 Comm: syz-executor257 Not tainted 4.17.0-rc5+ #51 [ 37.457803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.467148] Call Trace: [ 37.469742] dump_stack+0x1b9/0x294 [ 37.473373] ? dump_stack_print_info.cold.2+0x52/0x52 [ 37.478562] ? printk+0x9e/0xba [ 37.481846] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 37.486607] ? kasan_check_write+0x14/0x20 [ 37.490852] print_address_description+0x6c/0x20b [ 37.495697] ? skb_release_data+0x19b/0x860 [ 37.500022] kasan_report.cold.7+0x242/0x2fe [ 37.504438] check_memory_region+0x13e/0x1b0 [ 37.508852] kasan_check_write+0x14/0x20 [ 37.512930] skb_release_data+0x19b/0x860 [ 37.517081] ? refcount_inc_not_zero+0x2d0/0x2d0 executing program executing program executing program [ 37.521843] ? skb_tx_error+0x2f0/0x2f0 [ 37.525827] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 37.530378] protocol 0000 is buggy, dev sit0 [ 37.531359] ? sock_wfree+0xcc/0x180 [ 37.531378] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 37.531395] skb_release_all+0x4a/0x60 [ 37.545809] protocol 0000 is buggy, dev sit0 [ 37.548868] kfree_skb+0x195/0x560 [ 37.548883] ? sit_tunnel_xmit+0x16b/0x30b0 [ 37.548898] ? __kfree_skb+0x20/0x20 [ 37.564808] ? alloc_skb_with_frags+0x760/0x760 [ 37.569481] ? graph_lock+0x170/0x170 executing program [ 37.573288] ? packet_cached_dev_get+0x330/0x330 [ 37.573607] protocol 0000 is buggy, dev sit0 [ 37.578046] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 37.578062] sit_tunnel_xmit+0x16b/0x30b0 [ 37.578078] ? find_held_lock+0x36/0x1c0 [ 37.595824] ? ipip6_rcv+0x1d30/0x1d30 [ 37.599716] ? lock_downgrade+0x8e0/0x8e0 [ 37.603863] ? vprintk_default+0x28/0x30 [ 37.605864] protocol 0000 is buggy, dev sit0 [ 37.607926] ? vprintk_func+0x81/0xe7 [ 37.607942] ? kasan_check_read+0x11/0x20 executing program executing program executing program executing program [ 37.607958] ? rcu_is_watching+0x85/0x140 [ 37.622462] protocol 0000 is buggy, dev sit0 [ 37.624386] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 37.624402] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 37.624419] ? graph_lock+0x170/0x170 [ 37.629728] protocol 0000 is buggy, dev sit0 [ 37.633543] ? dev_queue_xmit_nit+0x8ec/0xb90 [ 37.633568] ? __lock_is_held+0xb5/0x140 [ 37.639709] protocol 0000 is buggy, dev sit0 [ 37.642524] dev_hard_start_xmit+0x264/0xc10 [ 37.642544] ? validate_xmit_skb_list+0x120/0x120 [ 37.663811] protocol 0000 is buggy, dev sit0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 37.664227] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 37.664240] ? netif_skb_features+0x696/0xb40 [ 37.664256] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 37.675445] protocol 0000 is buggy, dev sit0 [ 37.678985] ? validate_xmit_xfrm+0x1ef/0xdc0 [ 37.678998] ? lock_acquire+0x1dc/0x520 [ 37.679018] ? validate_xmit_skb+0x704/0xd90 [ 37.705889] ? netif_skb_features+0xb40/0xb40 [ 37.710392] __dev_queue_xmit+0x2724/0x34c0 [ 37.714728] ? netdev_pick_tx+0x2d0/0x2d0 [ 37.718881] ? debug_check_no_locks_freed+0x310/0x310 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 37.724068] ? check_noncircular+0x20/0x20 [ 37.728316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.733859] ? refcount_add_not_zero+0x216/0x320 [ 37.738621] ? refcount_dec_if_one+0x170/0x170 [ 37.743210] ? alloc_skb_with_frags+0x4fe/0x760 [ 37.747892] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 37.753429] ? refcount_add+0x2f/0x70 [ 37.757233] ? skb_set_owner_w+0x24e/0x360 [ 37.761475] ? sock_alloc_send_pskb+0x7d1/0xae0 [ 37.766149] ? graph_lock+0x170/0x170 [ 37.769961] ? lock_downgrade+0x8e0/0x8e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 37.774118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.779656] ? cap_capable+0x1f9/0x260 [ 37.783552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.789088] ? security_capable+0x99/0xc0 [ 37.793239] dev_queue_xmit+0x17/0x20 [ 37.797039] ? dev_queue_xmit+0x17/0x20 [ 37.801019] packet_sendmsg+0x40f8/0x6070 [ 37.805171] ? debug_check_no_locks_freed+0x310/0x310 [ 37.810362] ? __lock_acquire+0x7f5/0x5140 [ 37.814597] ? is_bpf_text_address+0xd7/0x170 [ 37.819096] ? kernel_text_address+0x79/0xf0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 37.823519] ? packet_getname+0x5f0/0x5f0 [ 37.827672] ? save_stack+0xa9/0xd0 [ 37.831300] ? save_stack+0x43/0xd0 [ 37.834927] ? kasan_kmalloc+0xc4/0xe0 [ 37.838815] ? kasan_slab_alloc+0x12/0x20 [ 37.842966] ? kmem_cache_alloc+0x12e/0x760 [ 37.847288] ? get_empty_filp+0x125/0x520 [ 37.851439] ? alloc_file+0x24/0x3e0 [ 37.855154] ? sock_alloc_file+0x1f3/0x4e0 [ 37.859391] ? __sys_socket+0x16f/0x250 [ 37.863364] ? __x64_sys_socket+0x73/0xb0 [ 37.867511] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 37.872876] ? graph_lock+0x170/0x170 [ 37.876680] ? find_held_lock+0x36/0x1c0 [ 37.880747] ? find_held_lock+0x36/0x1c0 [ 37.884815] ? lock_downgrade+0x8e0/0x8e0 [ 37.888964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.894505] ? lock_release+0xa10/0xa10 [ 37.898664] ? check_same_owner+0x320/0x320 [ 37.902989] ? __check_object_size+0x95/0x5d9 [ 37.907497] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 37.913038] ? security_socket_sendmsg+0x94/0xc0 [ 37.917797] ? packet_getname+0x5f0/0x5f0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 37.921951] sock_sendmsg+0xd5/0x120 [ 37.925666] __sys_sendto+0x3d7/0x670 [ 37.929471] ? __ia32_sys_getpeername+0xb0/0xb0 [ 37.934145] ? __fd_install+0x2de/0x880 [ 37.938125] ? get_unused_fd_flags+0x190/0x190 [ 37.942710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.948247] ? alloc_file+0x44/0x3e0 [ 37.951966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 37.957504] ? sock_alloc_file+0x2a4/0x4e0 [ 37.961752] ? __alloc_fd+0x700/0x700 [ 37.965559] ? fd_install+0x4d/0x60 [ 37.969191] ? __sys_socket+0x19f/0x250 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 37.973165] ? move_addr_to_kernel+0x70/0x70 [ 37.977575] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 37.982425] __x64_sys_sendto+0xe1/0x1a0 [ 37.986486] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.991509] do_syscall_64+0x1b1/0x800 [ 37.995406] ? syscall_return_slowpath+0x5c0/0x5c0 [ 38.000340] ? syscall_return_slowpath+0x30f/0x5c0 [ 38.005275] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 38.010650] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.015500] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.020683] RIP: 0033:0x441af9 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 38.023866] RSP: 002b:00007ffc7d845f48 EFLAGS: 00000212 ORIG_RAX: 000000000000002c [ 38.031573] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441af9 [ 38.038839] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000004 [ 38.046105] RBP: 00000000006cd018 R08: 0000000020000040 R09: 000000000000001c [ 38.053370] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000402740 [ 38.060636] R13: 00000000004027d0 R14: 0000000000000000 R15: 0000000000000000 [ 38.067914] [ 38.069535] Allocated by task 4435: executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 38.073163] save_stack+0x43/0xd0 [ 38.077134] kasan_kmalloc+0xc4/0xe0 [ 38.080848] __kmalloc_node_track_caller+0x47/0x70 [ 38.085776] __kmalloc_reserve.isra.38+0x3a/0xe0 [ 38.090527] __alloc_skb+0x14d/0x780 [ 38.094242] alloc_skb_with_frags+0x137/0x760 [ 38.098734] sock_alloc_send_pskb+0x87a/0xae0 [ 38.103228] packet_sendmsg+0x1b98/0x6070 [ 38.107374] sock_sendmsg+0xd5/0x120 [ 38.111091] __sys_sendto+0x3d7/0x670 [ 38.114894] __x64_sys_sendto+0xe1/0x1a0 [ 38.118959] do_syscall_64+0x1b1/0x800 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 38.122847] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.128026] [ 38.129651] Freed by task 4435: [ 38.132928] save_stack+0x43/0xd0 [ 38.136383] __kasan_slab_free+0x11a/0x170 [ 38.140621] kasan_slab_free+0xe/0x10 [ 38.144417] kfree+0xd9/0x260 [ 38.147523] skb_free_head+0x99/0xc0 [ 38.151236] skb_release_data+0x690/0x860 [ 38.155384] skb_release_all+0x4a/0x60 [ 38.159271] consume_skb+0x18b/0x550 [ 38.162982] packet_rcv+0x16a/0x1810 [ 38.166692] dev_queue_xmit_nit+0x891/0xb90 [ 38.171009] dev_hard_start_xmit+0x16b/0xc10 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 38.175416] __dev_queue_xmit+0x2724/0x34c0 [ 38.179736] dev_queue_xmit+0x17/0x20 [ 38.183533] packet_sendmsg+0x40f8/0x6070 [ 38.187677] sock_sendmsg+0xd5/0x120 [ 38.191391] __sys_sendto+0x3d7/0x670 [ 38.195194] __x64_sys_sendto+0xe1/0x1a0 [ 38.199256] do_syscall_64+0x1b1/0x800 [ 38.203143] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.208321] [ 38.209949] The buggy address belongs to the object at ffff8801c6804a80 [ 38.209949] which belongs to the cache kmalloc-512 of size 512 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 38.222610] The buggy address is located 224 bytes inside of [ 38.222610] 512-byte region [ffff8801c6804a80, ffff8801c6804c80) [ 38.234474] The buggy address belongs to the page: [ 38.239400] page:ffffea00071a0100 count:1 mapcount:0 mapping:ffff8801c6804080 index:0x0 [ 38.247540] flags: 0x2fffc0000000100(slab) [ 38.251776] raw: 02fffc0000000100 ffff8801c6804080 0000000000000000 0000000100000006 [ 38.259658] raw: ffffea00071cb620 ffffea00071ea720 ffff8801da800940 0000000000000000 [ 38.267531] page dumped because: kasan: bad access detected [ 38.273231] executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 38.274853] Memory state around the buggy address: [ 38.279778] ffff8801c6804a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 38.287146] ffff8801c6804a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 38.294502] >ffff8801c6804b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 38.301856] ^ [ 38.308342] ffff8801c6804b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 38.315700] ffff8801c6804c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 38.323046] ================================================================== [ 38.330392] Disabling lock debugging due to kernel taint [ 38.336371] Kernel panic - not syncing: panic_on_warn set ... [ 38.336371] [ 38.343734] CPU: 1 PID: 4435 Comm: syz-executor257 Tainted: G B 4.17.0-rc5+ #51 [ 38.352470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.361810] Call Trace: [ 38.364399] dump_stack+0x1b9/0x294 [ 38.368024] ? dump_stack_print_info.cold.2+0x52/0x52 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 38.373211] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 38.377965] ? skb_release_data+0xc0/0x860 [ 38.382194] panic+0x22f/0x4de [ 38.385387] ? add_taint.cold.5+0x16/0x16 [ 38.389537] ? do_raw_spin_unlock+0x9e/0x2e0 [ 38.393942] ? do_raw_spin_unlock+0x9e/0x2e0 [ 38.398352] ? skb_release_data+0x19b/0x860 [ 38.402668] kasan_end_report+0x47/0x4f [ 38.406640] kasan_report.cold.7+0x76/0x2fe [ 38.410963] check_memory_region+0x13e/0x1b0 [ 38.415366] kasan_check_write+0x14/0x20 [ 38.419423] skb_release_data+0x19b/0x860 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 38.423569] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 38.428331] ? skb_tx_error+0x2f0/0x2f0 [ 38.432307] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 38.437839] ? sock_wfree+0xcc/0x180 [ 38.441550] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 38.447091] skb_release_all+0x4a/0x60 [ 38.450975] kfree_skb+0x195/0x560 [ 38.454511] ? sit_tunnel_xmit+0x16b/0x30b0 [ 38.458830] ? __kfree_skb+0x20/0x20 [ 38.462537] ? alloc_skb_with_frags+0x760/0x760 [ 38.467210] ? graph_lock+0x170/0x170 [ 38.471011] ? packet_cached_dev_get+0x330/0x330 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 38.475766] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 38.480953] sit_tunnel_xmit+0x16b/0x30b0 [ 38.485097] ? find_held_lock+0x36/0x1c0 [ 38.489157] ? ipip6_rcv+0x1d30/0x1d30 [ 38.493040] ? lock_downgrade+0x8e0/0x8e0 [ 38.497184] ? vprintk_default+0x28/0x30 [ 38.501237] ? vprintk_func+0x81/0xe7 [ 38.505031] ? kasan_check_read+0x11/0x20 [ 38.509176] ? rcu_is_watching+0x85/0x140 [ 38.513318] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 38.518071] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 38.523255] ? graph_lock+0x170/0x170 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 38.527052] ? dev_queue_xmit_nit+0x8ec/0xb90 [ 38.531545] ? __lock_is_held+0xb5/0x140 [ 38.535610] dev_hard_start_xmit+0x264/0xc10 [ 38.540019] ? validate_xmit_skb_list+0x120/0x120 [ 38.544859] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 38.550391] ? netif_skb_features+0x696/0xb40 [ 38.554882] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 38.560068] ? validate_xmit_xfrm+0x1ef/0xdc0 [ 38.564560] ? lock_acquire+0x1dc/0x520 [ 38.568538] ? validate_xmit_skb+0x704/0xd90 [ 38.572946] ? netif_skb_features+0xb40/0xb40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 38.577443] __dev_queue_xmit+0x2724/0x34c0 [ 38.581764] ? netdev_pick_tx+0x2d0/0x2d0 [ 38.585911] ? debug_check_no_locks_freed+0x310/0x310 [ 38.591093] ? check_noncircular+0x20/0x20 [ 38.595328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.600864] ? refcount_add_not_zero+0x216/0x320 [ 38.605618] ? refcount_dec_if_one+0x170/0x170 [ 38.610197] ? alloc_skb_with_frags+0x4fe/0x760 [ 38.614869] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 38.620402] ? refcount_add+0x2f/0x70 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 38.624197] ? skb_set_owner_w+0x24e/0x360 [ 38.628430] ? sock_alloc_send_pskb+0x7d1/0xae0 [ 38.633095] ? graph_lock+0x170/0x170 [ 38.636897] ? lock_downgrade+0x8e0/0x8e0 [ 38.641045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.646579] ? cap_capable+0x1f9/0x260 [ 38.650464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.655997] ? security_capable+0x99/0xc0 [ 38.660142] dev_queue_xmit+0x17/0x20 [ 38.663939] ? dev_queue_xmit+0x17/0x20 [ 38.667908] packet_sendmsg+0x40f8/0x6070 [ 38.672052] ? debug_check_no_locks_freed+0x310/0x310 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 38.677235] ? __lock_acquire+0x7f5/0x5140 [ 38.681467] ? is_bpf_text_address+0xd7/0x170 [ 38.685962] ? kernel_text_address+0x79/0xf0 [ 38.690378] ? packet_getname+0x5f0/0x5f0 [ 38.694522] ? save_stack+0xa9/0xd0 [ 38.698151] ? save_stack+0x43/0xd0 [ 38.701773] ? kasan_kmalloc+0xc4/0xe0 [ 38.705654] ? kasan_slab_alloc+0x12/0x20 [ 38.709797] ? kmem_cache_alloc+0x12e/0x760 [ 38.714115] ? get_empty_filp+0x125/0x520 [ 38.718258] ? alloc_file+0x24/0x3e0 [ 38.721967] ? sock_alloc_file+0x1f3/0x4e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 38.726199] ? __sys_socket+0x16f/0x250 [ 38.730169] ? __x64_sys_socket+0x73/0xb0 [ 38.734313] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.739669] ? graph_lock+0x170/0x170 [ 38.743466] ? find_held_lock+0x36/0x1c0 [ 38.747525] ? find_held_lock+0x36/0x1c0 [ 38.751590] ? lock_downgrade+0x8e0/0x8e0 [ 38.755738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.761270] ? lock_release+0xa10/0xa10 [ 38.765245] ? check_same_owner+0x320/0x320 [ 38.769565] ? __check_object_size+0x95/0x5d9 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 38.774065] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 38.779603] ? security_socket_sendmsg+0x94/0xc0 [ 38.784355] ? packet_getname+0x5f0/0x5f0 [ 38.788501] sock_sendmsg+0xd5/0x120 [ 38.792215] __sys_sendto+0x3d7/0x670 [ 38.796014] ? __ia32_sys_getpeername+0xb0/0xb0 [ 38.800682] ? __fd_install+0x2de/0x880 [ 38.804658] ? get_unused_fd_flags+0x190/0x190 [ 38.809246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 38.814780] ? alloc_file+0x44/0x3e0 [ 38.818493] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 38.824034] ? sock_alloc_file+0x2a4/0x4e0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 38.828275] ? __alloc_fd+0x700/0x700 [ 38.832075] ? fd_install+0x4d/0x60 [ 38.835702] ? __sys_socket+0x19f/0x250 [ 38.839673] ? move_addr_to_kernel+0x70/0x70 [ 38.844077] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 38.848919] __x64_sys_sendto+0xe1/0x1a0 [ 38.852977] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 38.857994] do_syscall_64+0x1b1/0x800 [ 38.861878] ? syscall_return_slowpath+0x5c0/0x5c0 [ 38.866806] ? syscall_return_slowpath+0x30f/0x5c0 [ 38.871731] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 38.877097] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.881942] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.887123] RIP: 0033:0x441af9 [ 38.890302] RSP: 002b:00007ffc7d845f48 EFLAGS: 00000212 ORIG_RAX: 000000000000002c [ 38.898003] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441af9 [ 38.905264] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000004 [ 38.912530] RBP: 00000000006cd018 R08: 0000000020000040 R09: 000000000000001c [ 38.919798] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000402740 executing program [ 38.927064] R13: 00000000004027d0 R14: 0000000000000000 R15: 0000000000000000 [ 38.934758] Dumping ftrace buffer: [ 38.938283] (ftrace buffer empty) [ 38.941967] Kernel Offset: disabled [ 38.945567] Rebooting in 86400 seconds..