[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 20.619785] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 23.836959] random: sshd: uninitialized urandom read (32 bytes read) [ 24.364480] random: sshd: uninitialized urandom read (32 bytes read) [ 25.144814] random: sshd: uninitialized urandom read (32 bytes read) [ 103.232042] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.28' (ECDSA) to the list of known hosts. [ 108.730908] random: sshd: uninitialized urandom read (32 bytes read) [ 108.833059] IPVS: ftp: loaded support on port[0] = 21 [ 108.836621] IPVS: ftp: loaded support on port[0] = 21 [ 108.847673] IPVS: ftp: loaded support on port[0] = 21 [ 108.848433] IPVS: ftp: loaded support on port[0] = 21 [ 108.855366] IPVS: ftp: loaded support on port[0] = 21 [ 108.859258] IPVS: ftp: loaded support on port[0] = 21 [ 108.863403] IPVS: ftp: loaded support on port[0] = 21 [ 108.869329] 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.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 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 [ 109.638146] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.644666] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.660152] device bridge_slave_0 entered promiscuous mode [ 109.692130] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.698532] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.712607] device bridge_slave_0 entered promiscuous mode [ 109.730760] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.737153] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.745979] device bridge_slave_0 entered promiscuous mode [ 109.753801] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.760204] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.767432] device bridge_slave_0 entered promiscuous mode [ 109.778835] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.785231] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.792605] device bridge_slave_0 entered promiscuous mode [ 109.799472] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.805897] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.812808] device bridge_slave_1 entered promiscuous mode [ 109.829010] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.835402] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.844244] device bridge_slave_1 entered promiscuous mode [ 109.851940] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.858312] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.867752] device bridge_slave_1 entered promiscuous mode [ 109.876101] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.882475] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.889653] device bridge_slave_1 entered promiscuous mode [ 109.895869] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.902246] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.909855] device bridge_slave_1 entered promiscuous mode [ 109.917607] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.923981] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.932453] device bridge_slave_0 entered promiscuous mode [ 109.939086] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.945535] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.953334] device bridge_slave_0 entered promiscuous mode [ 109.960733] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 109.969594] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 109.977932] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 109.989288] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 109.996830] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.003217] bridge0: port 1(bridge_slave_0) entered disabled state [ 110.014619] device bridge_slave_0 entered promiscuous mode [ 110.021982] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.028367] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.035800] device bridge_slave_1 entered promiscuous mode [ 110.043297] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.049651] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.057686] device bridge_slave_1 entered promiscuous mode [ 110.065088] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 110.073490] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.079861] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.087039] device bridge_slave_1 entered promiscuous mode [ 110.095262] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 110.103735] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 110.111348] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 110.118535] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 110.126617] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 110.135574] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 110.154194] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 110.186396] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 110.193734] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 110.214182] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 110.222444] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 110.238120] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 110.303440] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 110.312687] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 110.326554] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 110.339132] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 110.355198] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 110.370607] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 110.384853] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 110.398346] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 110.412666] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 110.421353] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 110.434945] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 110.443616] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 110.450589] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 110.465256] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 110.473359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 110.485717] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 110.493613] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 110.500473] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 110.509431] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 110.518136] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 110.527432] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 110.535547] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 110.544313] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 110.551278] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 110.561741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 110.570330] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 110.577974] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 110.586683] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 110.595176] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 110.602202] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 110.611288] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 110.620606] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 110.628645] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 110.635584] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 110.651916] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 110.661040] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 110.674230] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 110.689169] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 110.698578] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 110.705470] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 110.723447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 110.740664] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 110.755262] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 110.762188] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 110.770873] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 110.785758] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 110.793103] team0: Port device team_slave_0 added [ 110.808338] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 110.817886] team0: Port device team_slave_0 added [ 110.839150] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 110.853128] team0: Port device team_slave_1 added [ 110.868294] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 110.875486] team0: Port device team_slave_1 added [ 110.882591] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 110.890509] team0: Port device team_slave_0 added [ 110.919297] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 110.933965] team0: Port device team_slave_0 added [ 110.943134] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 110.950735] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 110.959597] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 110.967175] team0: Port device team_slave_0 added [ 110.975793] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 110.983218] team0: Port device team_slave_0 added [ 110.990382] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 111.003710] team0: Port device team_slave_0 added [ 111.010677] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 111.019301] team0: Port device team_slave_1 added [ 111.026591] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 111.038965] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 111.047715] team0: Port device team_slave_0 added [ 111.055665] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 111.065199] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 111.077559] team0: Port device team_slave_1 added [ 111.087224] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 111.098474] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 111.106871] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 111.116594] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 111.124090] team0: Port device team_slave_1 added [ 111.130257] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 111.138724] team0: Port device team_slave_1 added [ 111.145740] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 111.153702] team0: Port device team_slave_1 added [ 111.160904] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 111.171136] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 111.181807] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 111.193649] team0: Port device team_slave_1 added [ 111.208862] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 111.221273] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 111.229340] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 111.237231] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 111.245142] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 111.254780] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 111.271421] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 111.288517] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 111.305960] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 111.318702] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 111.331066] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 111.339529] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 111.350376] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 111.361640] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 111.380322] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 111.397649] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 111.408966] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 111.428613] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 111.439724] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 111.447776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 111.456556] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 111.464795] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 111.473209] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 111.483572] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 111.494238] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 111.503340] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 111.512650] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 111.521446] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 111.532969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 111.560789] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 111.570140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 111.577983] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 111.586194] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 111.593942] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 111.601784] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 111.612234] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 111.619481] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 111.627488] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 111.641191] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 111.648860] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 111.657755] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 111.671522] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 111.682470] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 111.693512] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 111.705393] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 111.727525] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 111.740850] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 111.748640] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 111.756695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 111.764607] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 111.772488] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 111.780353] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 111.788170] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 111.811427] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 111.827601] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 111.843770] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready RTNETLINK answers: Operation not supported [ 111.882126] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 111.889407] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 111.904213] 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 [ 112.273110] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.279657] bridge0: port 2(bridge_slave_1) entered forwarding state [ 112.286676] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.294304] bridge0: port 1(bridge_slave_0) entered forwarding state [ 112.306633] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 112.315943] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.322361] bridge0: port 2(bridge_slave_1) entered forwarding state [ 112.328999] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.335377] bridge0: port 1(bridge_slave_0) entered forwarding state [ 112.343256] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 112.399161] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 112.411656] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 112.438477] bridge0: port 2(bridge_slave_1) entered blocking state RTNETLINK answers: Operation not supported [ 112.444874] bridge0: port 2(bridge_slave_1) entered forwarding state [ 112.451542] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.457910] bridge0: port 1(bridge_slave_0) entered forwarding state [ 112.487441] 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 [ 112.622817] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.629249] bridge0: port 2(bridge_slave_1) entered forwarding state [ 112.635915] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.642285] bridge0: port 1(bridge_slave_0) entered forwarding state [ 112.651184] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 112.664778] bridge0: port 2(bridge_slave_1) entered blocking state RTNETLINK answers: Operation not supported [ 112.671168] bridge0: port 2(bridge_slave_1) entered forwarding state [ 112.677843] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.684235] bridge0: port 1(bridge_slave_0) entered forwarding state [ 112.693392] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 112.703143] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.709533] bridge0: port 2(bridge_slave_1) entered forwarding state [ 112.716205] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.722577] bridge0: port 1(bridge_slave_0) entered forwarding state [ 112.730149] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 112.750647] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.757074] bridge0: port 2(bridge_slave_1) entered forwarding state [ 112.763753] bridge0: port 1(bridge_slave_0) entered blocking state RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available [ 112.770164] bridge0: port 1(bridge_slave_0) entered forwarding state [ 112.778981] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available [ 112.846527] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.852952] bridge0: port 2(bridge_slave_1) entered forwarding state [ 112.859619] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.865998] bridge0: port 1(bridge_slave_0) entered forwarding state [ 112.873756] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available 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 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 [ 113.439391] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 113.453541] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready RTNETLINK answers: Operation not supported [ 113.480333] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 113.488690] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 113.496165] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 113.503656] 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: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument 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: 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 [ 115.143544] 8021q: adding VLAN 0 to HW filter on device bond0 [ 115.311231] 8021q: adding VLAN 0 to HW filter on device bond0 [ 115.324968] 8021q: adding VLAN 0 to HW filter on device bond0 [ 115.390115] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 115.416106] 8021q: adding VLAN 0 to HW filter on device bond0 [ 115.429428] 8021q: adding VLAN 0 to HW filter on device bond0 [ 115.504233] 8021q: adding VLAN 0 to HW filter on device bond0 [ 115.526113] 8021q: adding VLAN 0 to HW filter on device bond0 [ 115.573136] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 115.595556] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 115.619928] 8021q: adding VLAN 0 to HW filter on device bond0 [ 115.652539] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 115.665785] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 115.673279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 115.684354] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 115.712625] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 115.745584] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 115.799543] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 115.867811] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 115.874491] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 115.882345] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 115.896869] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 115.903957] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 115.912529] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 115.925618] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 115.934217] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 115.940662] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 115.951115] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 116.016991] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 116.024402] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 116.034936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 116.052789] 8021q: adding VLAN 0 to HW filter on device team0 [ 116.098439] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 116.108121] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 116.116711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 116.139898] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 116.148131] 8021q: adding VLAN 0 to HW filter on device team0 [ 116.171518] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 116.195183] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 116.212272] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 116.225199] 8021q: adding VLAN 0 to HW filter on device team0 [ 116.248180] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 116.268499] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 116.294850] 8021q: adding VLAN 0 to HW filter on device team0 [ 116.324271] 8021q: adding VLAN 0 to HW filter on device team0 [ 116.427341] 8021q: adding VLAN 0 to HW filter on device team0 [ 116.437928] 8021q: adding VLAN 0 to HW filter on device team0 [ 116.469201] 8021q: adding VLAN 0 to HW filter on device team0 executing program executing program [ 117.615449] FAT-fs (loop0): bogus number of reserved sectors [ 117.621497] FAT-fs (loop0): Can't find a valid FAT filesystem [ 117.635327] FAT-fs (loop2): bogus number of reserved sectors [ 117.641257] FAT-fs (loop2): Can't find a valid FAT filesystem executing program [ 117.699166] FAULT_INJECTION: forcing a failure. [ 117.699166] name failslab, interval 1, probability 0, space 0, times 1 [ 117.710438] CPU: 1 PID: 4527 Comm: syz-executor543 Not tainted 4.17.0-rc5+ #54 [ 117.717800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 117.727157] Call Trace: [ 117.729759] dump_stack+0x1b9/0x294 [ 117.733396] ? dump_stack_print_info.cold.2+0x52/0x52 [ 117.738601] should_fail.cold.4+0xa/0x1a [ 117.742669] ? fault_create_debugfs_attr+0x1f0/0x1f0 executing program [ 117.747785] ? lock_downgrade+0x8e0/0x8e0 [ 117.751946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 117.757491] ? timespec_trunc+0xe7/0x170 [ 117.761553] ? put_itimerspec64+0x310/0x310 [ 117.765877] ? find_held_lock+0x36/0x1c0 [ 117.769963] ? check_same_owner+0x320/0x320 [ 117.773478] FAT-fs (loop5): bogus number of reserved sectors [ 117.774288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 117.774306] ? rcu_note_context_switch+0x710/0x710 [ 117.774322] __should_failslab+0x124/0x180 executing program [ 117.780127] FAT-fs (loop5): Can't find a valid FAT filesystem [ 117.785627] should_failslab+0x9/0x14 [ 117.785641] kmem_cache_alloc+0x2af/0x760 [ 117.785657] ? lock_downgrade+0x8e0/0x8e0 [ 117.785675] getname_flags+0xd0/0x5a0 [ 117.816509] getname+0x19/0x20 [ 117.819707] do_sys_open+0x39a/0x740 [ 117.822808] FAT-fs (loop7): bogus number of reserved sectors [ 117.823429] ? filp_open+0x80/0x80 [ 117.823448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 117.823464] ? do_sys_ftruncate+0x44e/0x560 [ 117.829286] FAT-fs (loop7): Can't find a valid FAT filesystem executing program [ 117.832774] __x64_sys_open+0x7e/0xc0 [ 117.832789] do_syscall_64+0x1b1/0x800 [ 117.832807] ? syscall_return_slowpath+0x5c0/0x5c0 [ 117.861067] ? syscall_return_slowpath+0x30f/0x5c0 [ 117.866010] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 117.871382] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 117.876235] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 117.881420] RIP: 0033:0x401c40 [ 117.884604] RSP: 002b:00007ffe9fb2fd88 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 117.892313] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000401c40 executing program [ 117.899592] RDX: 00007ffe9fb2fdda RSI: 0000000000000002 RDI: 00007ffe9fb2fdd0 [ 117.903714] FAT-fs (loop4): bogus number of reserved sectors [ 117.906854] RBP: 00007ffe9fb2fdd0 R08: 0000000000000000 R09: 000000000000000a [ 117.906863] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000004 [ 117.906871] R13: 0000000000000007 R14: 0030656c69662f2e R15: 0000000000000000 [ 117.934806] FAT-fs (loop4): Can't find a valid FAT filesystem executing program executing program [ 117.969834] FAULT_INJECTION: forcing a failure. [ 117.969834] name failslab, interval 1, probability 0, space 0, times 0 [ 117.981105] CPU: 0 PID: 4523 Comm: syz-executor543 Not tainted 4.17.0-rc5+ #54 [ 117.982514] FAT-fs (loop6): bogus number of reserved sectors [ 117.988482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 117.988488] Call Trace: [ 117.988508] dump_stack+0x1b9/0x294 [ 117.988531] ? dump_stack_print_info.cold.2+0x52/0x52 executing program [ 117.994328] FAT-fs (loop6): Can't find a valid FAT filesystem [ 118.003651] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 118.003672] should_fail.cold.4+0xa/0x1a [ 118.003689] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 118.008345] FAT-fs (loop1): bogus number of reserved sectors [ 118.009914] ? __raw_spin_lock_init+0x1c/0x100 [ 118.009929] ? graph_lock+0x170/0x170 [ 118.015109] FAT-fs (loop1): Can't find a valid FAT filesystem [ 118.020968] ? find_held_lock+0x36/0x1c0 [ 118.021003] ? check_same_owner+0x320/0x320 [ 118.059433] FAT-fs (loop3): bogus number of reserved sectors [ 118.063490] ? graph_lock+0x170/0x170 [ 118.063508] ? rcu_note_context_switch+0x710/0x710 [ 118.069298] FAT-fs (loop3): Can't find a valid FAT filesystem [ 118.073064] ? kasan_check_read+0x11/0x20 [ 118.073080] ? do_raw_spin_unlock+0x9e/0x2e0 [ 118.073097] __should_failslab+0x124/0x180 [ 118.096621] should_failslab+0x9/0x14 [ 118.100430] kmem_cache_alloc+0x2af/0x760 [ 118.104583] ? find_held_lock+0x36/0x1c0 [ 118.108646] get_empty_filp+0x125/0x520 [ 118.112600] ? proc_nr_files+0x60/0x60 [ 118.116472] ? kasan_check_read+0x11/0x20 [ 118.120604] ? do_raw_spin_unlock+0x9e/0x2e0 [ 118.124995] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 118.129563] ? kasan_check_write+0x14/0x20 [ 118.133777] ? do_raw_spin_lock+0xc1/0x200 [ 118.137992] alloc_file+0x24/0x3e0 [ 118.141518] ? clear_nlink.part.9+0x65/0x80 [ 118.145820] __shmem_file_setup+0x304/0x6e0 [ 118.150121] ? shmem_fill_super+0xa30/0xa30 [ 118.154430] ? get_unused_fd_flags+0x121/0x190 [ 118.158992] ? __alloc_fd+0x700/0x700 [ 118.162777] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 118.168294] ? _copy_from_user+0xdf/0x150 [ 118.172423] __x64_sys_memfd_create+0x2a7/0x5a0 [ 118.177070] ? memfd_fcntl+0x15d0/0x15d0 [ 118.181111] ? ksys_ioctl+0x81/0xd0 [ 118.184717] ? do_syscall_64+0x92/0x800 [ 118.188673] do_syscall_64+0x1b1/0x800 [ 118.192541] ? syscall_return_slowpath+0x5c0/0x5c0 [ 118.197450] ? syscall_return_slowpath+0x30f/0x5c0 [ 118.202370] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 118.207715] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 118.212722] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 118.217895] RIP: 0033:0x441f79 [ 118.221062] RSP: 002b:00007ffe9fb2fd88 EFLAGS: 00000217 ORIG_RAX: 000000000000013f [ 118.228748] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441f79 [ 118.235994] RDX: 0000000000441f79 RSI: 0000000000000000 RDI: 00000000004a468e [ 118.243245] RBP: 00007ffe9fb2fdd0 R08: 0000000000000000 R09: 0000000000000000 [ 118.250493] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000000004 [ 118.257740] R13: 0000000000000004 R14: 0030656c69662f2e R15: 0000000000000000 [ 118.272723] FAULT_INJECTION: forcing a failure. [ 118.272723] name failslab, interval 1, probability 0, space 0, times 0 [ 118.284280] CPU: 1 PID: 4527 Comm: syz-executor543 Not tainted 4.17.0-rc5+ #54 [ 118.292244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 118.301582] Call Trace: [ 118.304156] dump_stack+0x1b9/0x294 [ 118.307769] ? dump_stack_print_info.cold.2+0x52/0x52 [ 118.312942] ? is_bpf_text_address+0xd7/0x170 [ 118.317419] ? kernel_text_address+0x79/0xf0 [ 118.321809] ? __unwind_start+0x166/0x330 [ 118.325939] should_fail.cold.4+0xa/0x1a [ 118.329980] ? __save_stack_trace+0x7e/0xd0 [ 118.334282] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 118.339367] ? graph_lock+0x170/0x170 [ 118.343151] ? save_stack+0x43/0xd0 [ 118.346759] ? kasan_kmalloc+0xc4/0xe0 [ 118.350626] ? kasan_slab_alloc+0x12/0x20 [ 118.354754] ? find_held_lock+0x36/0x1c0 [ 118.358795] ? __lock_is_held+0xb5/0x140 [ 118.362842] ? check_same_owner+0x320/0x320 [ 118.367157] ? rcu_note_context_switch+0x710/0x710 [ 118.372075] __should_failslab+0x124/0x180 [ 118.376288] should_failslab+0x9/0x14 [ 118.380074] kmem_cache_alloc_node_trace+0x26f/0x770 [ 118.385167] __kmalloc_node_track_caller+0x33/0x70 [ 118.390080] __kmalloc_reserve.isra.38+0x3a/0xe0 [ 118.394816] __alloc_skb+0x14d/0x780 [ 118.398510] ? skb_scrub_packet+0x580/0x580 [ 118.402821] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 118.407994] ? netlink_has_listeners+0x2ff/0x4c0 [ 118.412733] ? netlink_tap_init_net+0x3c0/0x3c0 [ 118.417386] kobject_uevent_env+0x801/0xea0 [ 118.421687] ? sysfs_remove_group+0xf6/0x1b0 [ 118.426083] kobject_uevent+0x1f/0x30 [ 118.429861] device_del+0x6c9/0xb70 [ 118.433476] ? __device_links_no_driver+0x320/0x320 [ 118.438474] ? mntput+0x74/0xa0 [ 118.441732] ? simple_release_fs+0xa1/0xd0 [ 118.445951] device_unregister+0x15/0x30 [ 118.449991] bdi_unregister+0x62d/0x8e0 [ 118.453950] ? wb_blkcg_offline+0x140/0x140 [ 118.458262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 118.463778] ? refcount_sub_and_test+0x212/0x330 [ 118.468523] ? refcount_inc_not_zero+0x2d0/0x2d0 [ 118.473259] ? up_write+0x72/0x210 [ 118.476777] ? up_read+0x110/0x110 [ 118.480297] bdi_put+0x153/0x180 [ 118.483645] generic_shutdown_super+0x3c2/0x520 [ 118.488298] ? destroy_super_rcu+0x200/0x200 [ 118.492692] ? up_write+0x72/0x210 [ 118.496212] ? up_read+0x110/0x110 [ 118.499739] ? down_read+0x1b0/0x1b0 [ 118.503438] ? perf_trace_mm_vmscan_writepage+0x750/0x750 [ 118.508955] kill_anon_super+0x3c/0x50 [ 118.512823] fuse_kill_sb_anon+0x90/0xb0 [ 118.516865] deactivate_locked_super+0x97/0x100 [ 118.521516] deactivate_super+0x188/0x1b0 [ 118.525645] ? super_setup_bdi+0xb0/0xb0 [ 118.529696] cleanup_mnt+0xbf/0x160 [ 118.533301] __cleanup_mnt+0x16/0x20 [ 118.536996] task_work_run+0x1e4/0x290 [ 118.540870] ? task_work_cancel+0x240/0x240 [ 118.545173] ? exit_to_usermode_loop+0x87/0x310 [ 118.549827] exit_to_usermode_loop+0x2bd/0x310 [ 118.554389] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 118.559216] ? ksys_mount+0xa8/0x140 [ 118.562926] do_syscall_64+0x6ac/0x800 [ 118.566797] ? syscall_return_slowpath+0x5c0/0x5c0 [ 118.571711] ? syscall_return_slowpath+0x30f/0x5c0 [ 118.576621] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 118.581967] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 118.586792] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 118.591959] RIP: 0033:0x441f79 [ 118.595125] RSP: 002b:00007ffe9fb2f928 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 118.602813] RAX: ffffffffffffffec RBX: 0000000000000008 RCX: 0000000000441f79 [ 118.610062] RDX: 00000000004a426b RSI: 0000000020000040 RDI: 00000000004ba785 [ 118.617311] RBP: 0000000000001002 R08: 00007ffe9fb2f940 R09: 0000000000000000 executing program [ 118.624561] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000001 [ 118.631811] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 118.668878] FAULT_INJECTION: forcing a failure. [ 118.668878] name failslab, interval 1, probability 0, space 0, times 0 [ 118.670076] FAULT_INJECTION: forcing a failure. [ 118.670076] name failslab, interval 1, probability 0, space 0, times 0 [ 118.680365] CPU: 1 PID: 4523 Comm: syz-executor543 Not tainted 4.17.0-rc5+ #54 [ 118.698770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 118.708110] Call Trace: [ 118.710694] dump_stack+0x1b9/0x294 [ 118.714313] ? dump_stack_print_info.cold.2+0x52/0x52 [ 118.719495] ? graph_lock+0x170/0x170 [ 118.723290] should_fail.cold.4+0xa/0x1a [ 118.727344] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 118.732441] ? graph_lock+0x170/0x170 [ 118.736234] ? find_held_lock+0x36/0x1c0 [ 118.740288] ? __lock_is_held+0xb5/0x140 [ 118.744349] ? check_same_owner+0x320/0x320 [ 118.748663] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 118.753237] ? rcu_note_context_switch+0x710/0x710 [ 118.758163] __should_failslab+0x124/0x180 [ 118.762389] should_failslab+0x9/0x14 [ 118.766180] kmem_cache_alloc+0x2af/0x760 [ 118.770326] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 118.775336] __kernfs_new_node+0xe7/0x580 [ 118.779481] ? kernfs_dop_revalidate+0x3c0/0x3c0 [ 118.784230] ? lock_downgrade+0x8e0/0x8e0 [ 118.788368] ? lock_release+0xa10/0xa10 [ 118.792331] ? check_same_owner+0x320/0x320 [ 118.796644] ? lock_downgrade+0x8e0/0x8e0 [ 118.800787] kernfs_new_node+0x80/0xf0 [ 118.804670] kernfs_create_dir_ns+0x3d/0x140 [ 118.809072] internal_create_group+0x110/0x970 [ 118.813647] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 118.818665] sysfs_create_group+0x1f/0x30 [ 118.822806] lo_ioctl+0x1771/0x2130 [ 118.826427] ? lo_rw_aio_complete+0x430/0x430 [ 118.830921] blkdev_ioctl+0x9b6/0x2020 [ 118.834800] ? __save_stack_trace+0x7e/0xd0 [ 118.839113] ? blkpg_ioctl+0xc40/0xc40 [ 118.843000] ? save_stack+0xa9/0xd0 [ 118.846618] ? save_stack+0x43/0xd0 [ 118.850242] ? __kasan_slab_free+0x11a/0x170 [ 118.854639] ? kasan_slab_free+0xe/0x10 [ 118.858607] ? kmem_cache_free+0x86/0x2d0 [ 118.862747] ? putname+0xf2/0x130 [ 118.866191] ? do_sys_open+0x554/0x740 [ 118.870067] ? __x64_sys_open+0x7e/0xc0 [ 118.874031] ? do_syscall_64+0x1b1/0x800 [ 118.878084] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 118.883450] ? kasan_check_read+0x11/0x20 [ 118.887591] ? do_raw_spin_unlock+0x9e/0x2e0 [ 118.891991] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 118.896577] ? kasan_check_write+0x14/0x20 [ 118.900801] ? do_raw_spin_lock+0xc1/0x200 [ 118.905030] ? trace_hardirqs_off+0xd/0x10 [ 118.909253] ? _raw_spin_unlock_irqrestore+0x63/0xc0 [ 118.914355] block_ioctl+0xee/0x130 [ 118.917976] ? blkdev_fallocate+0x400/0x400 [ 118.922290] do_vfs_ioctl+0x1cf/0x16a0 [ 118.926167] ? rcu_pm_notify+0xc0/0xc0 [ 118.930050] ? ioctl_preallocate+0x2e0/0x2e0 [ 118.934454] ? fget_raw+0x20/0x20 [ 118.937898] ? putname+0xf2/0x130 [ 118.941341] ? rcu_read_lock_sched_held+0x108/0x120 [ 118.946350] ? kmem_cache_free+0x25c/0x2d0 [ 118.950576] ? putname+0xf7/0x130 [ 118.954031] ? security_file_ioctl+0x94/0xc0 [ 118.958433] ksys_ioctl+0xa9/0xd0 [ 118.961881] __x64_sys_ioctl+0x73/0xb0 [ 118.965761] do_syscall_64+0x1b1/0x800 [ 118.969649] ? syscall_return_slowpath+0x5c0/0x5c0 [ 118.974568] ? syscall_return_slowpath+0x30f/0x5c0 [ 118.979489] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 118.984849] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 118.989685] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 118.994863] RIP: 0033:0x441e67 [ 118.998041] RSP: 002b:00007ffe9fb2fd88 EFLAGS: 00000217 ORIG_RAX: 0000000000000010 [ 119.005742] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441e67 [ 119.012998] RDX: 000000000000000a RSI: 0000000000004c00 RDI: 000000000000000b executing program [ 119.020256] RBP: 00007ffe9fb2fdd0 R08: 0000000000000000 R09: 000000000000000a [ 119.027512] R10: 0000000000000075 R11: 0000000000000217 R12: 000000000000000b [ 119.034768] R13: 000000000000000a R14: 0030656c69662f2e R15: 0000000000000000 [ 119.042048] CPU: 0 PID: 4526 Comm: syz-executor543 Not tainted 4.17.0-rc5+ #54 [ 119.045386] FAT-fs (loop0): bogus number of reserved sectors [ 119.049405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 119.049411] Call Trace: [ 119.049430] dump_stack+0x1b9/0x294 [ 119.049448] ? dump_stack_print_info.cold.2+0x52/0x52 [ 119.055235] FAT-fs (loop0): Can't find a valid FAT filesystem [ 119.064577] should_fail.cold.4+0xa/0x1a [ 119.064593] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 119.069133] FAULT_INJECTION: forcing a failure. [ 119.069133] name failslab, interval 1, probability 0, space 0, times 0 [ 119.070764] ? lock_downgrade+0x8e0/0x8e0 [ 119.070785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 119.111719] ? timespec_trunc+0xe7/0x170 [ 119.115769] ? put_itimerspec64+0x310/0x310 [ 119.120082] ? find_held_lock+0x36/0x1c0 [ 119.124160] ? check_same_owner+0x320/0x320 [ 119.128471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 119.133999] ? rcu_note_context_switch+0x710/0x710 [ 119.138936] __should_failslab+0x124/0x180 [ 119.143169] should_failslab+0x9/0x14 [ 119.146961] kmem_cache_alloc+0x2af/0x760 [ 119.151191] ? lock_downgrade+0x8e0/0x8e0 [ 119.155334] getname_flags+0xd0/0x5a0 [ 119.159131] getname+0x19/0x20 [ 119.162315] do_sys_open+0x39a/0x740 [ 119.166024] ? filp_open+0x80/0x80 [ 119.169557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 119.175084] ? do_sys_ftruncate+0x44e/0x560 [ 119.179400] __x64_sys_open+0x7e/0xc0 [ 119.183197] do_syscall_64+0x1b1/0x800 [ 119.187075] ? syscall_return_slowpath+0x5c0/0x5c0 [ 119.191998] ? syscall_return_slowpath+0x30f/0x5c0 [ 119.196923] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 119.202287] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 119.207127] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 119.212304] RIP: 0033:0x401c40 [ 119.215484] RSP: 002b:00007ffe9fb2fd88 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 119.223705] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000401c40 [ 119.230963] RDX: 00007ffe9fb2fdda RSI: 0000000000000002 RDI: 00007ffe9fb2fdd0 [ 119.238218] RBP: 00007ffe9fb2fdd0 R08: 0000000000000000 R09: 000000000000000a [ 119.245477] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000004 [ 119.252744] R13: 0000000000000007 R14: 0030656c69662f2e R15: 0000000000000000 [ 119.260032] CPU: 1 PID: 4530 Comm: syz-executor543 Not tainted 4.17.0-rc5+ #54 [ 119.265655] FAULT_INJECTION: forcing a failure. [ 119.265655] name failslab, interval 1, probability 0, space 0, times 0 [ 119.267385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 119.267390] Call Trace: [ 119.267409] dump_stack+0x1b9/0x294 [ 119.267430] ? dump_stack_print_info.cold.2+0x52/0x52 [ 119.299259] should_fail.cold.4+0xa/0x1a [ 119.303312] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 119.308407] ? lock_downgrade+0x8e0/0x8e0 [ 119.312553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 119.318079] ? timespec_trunc+0xe7/0x170 [ 119.322131] ? put_itimerspec64+0x310/0x310 [ 119.326445] ? find_held_lock+0x36/0x1c0 [ 119.330515] ? check_same_owner+0x320/0x320 [ 119.334830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 119.340359] ? rcu_note_context_switch+0x710/0x710 [ 119.345282] __should_failslab+0x124/0x180 [ 119.349508] should_failslab+0x9/0x14 [ 119.353299] kmem_cache_alloc+0x2af/0x760 [ 119.357464] ? lock_downgrade+0x8e0/0x8e0 [ 119.361612] getname_flags+0xd0/0x5a0 [ 119.365405] getname+0x19/0x20 [ 119.368588] do_sys_open+0x39a/0x740 [ 119.372300] ? filp_open+0x80/0x80 [ 119.375838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 119.381363] ? do_sys_ftruncate+0x44e/0x560 [ 119.385677] __x64_sys_open+0x7e/0xc0 [ 119.389470] do_syscall_64+0x1b1/0x800 [ 119.393350] ? syscall_return_slowpath+0x5c0/0x5c0 [ 119.398269] ? syscall_return_slowpath+0x30f/0x5c0 [ 119.403193] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 119.408549] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 119.413389] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 119.418565] RIP: 0033:0x401c40 [ 119.421743] RSP: 002b:00007ffe9fb2fd88 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 119.429440] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000401c40 [ 119.436696] RDX: 00007ffe9fb2fdda RSI: 0000000000000002 RDI: 00007ffe9fb2fdd0 [ 119.443955] RBP: 00007ffe9fb2fdd0 R08: 0000000000000000 R09: 000000000000000a [ 119.451210] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000004 [ 119.458474] R13: 0000000000000007 R14: 0030656c69662f2e R15: 0000000000000000 [ 119.465754] CPU: 0 PID: 4529 Comm: syz-executor543 Not tainted 4.17.0-rc5+ #54 [ 119.467410] FAULT_INJECTION: forcing a failure. [ 119.467410] name failslab, interval 1, probability 0, space 0, times 0 [ 119.473118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 119.473123] Call Trace: [ 119.473142] dump_stack+0x1b9/0x294 [ 119.473164] ? dump_stack_print_info.cold.2+0x52/0x52 [ 119.505007] should_fail.cold.4+0xa/0x1a [ 119.509070] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 119.514177] ? debug_check_no_locks_freed+0x310/0x310 [ 119.519354] ? graph_lock+0x170/0x170 [ 119.523149] ? find_held_lock+0x36/0x1c0 [ 119.527217] ? check_same_owner+0x320/0x320 [ 119.531532] ? rcu_note_context_switch+0x710/0x710 [ 119.536457] __should_failslab+0x124/0x180 [ 119.540687] should_failslab+0x9/0x14 [ 119.544479] kmem_cache_alloc+0x2af/0x760 [ 119.548621] ? debug_check_no_locks_freed+0x310/0x310 [ 119.553803] get_empty_filp+0x125/0x520 [ 119.557767] ? proc_nr_files+0x60/0x60 [ 119.561645] ? lock_downgrade+0x8e0/0x8e0 [ 119.565785] ? graph_lock+0x170/0x170 [ 119.569579] ? kasan_check_read+0x11/0x20 [ 119.573717] ? rcu_is_watching+0x85/0x140 [ 119.577855] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 119.583039] path_openat+0x116/0x4e20 [ 119.586845] ? unwind_get_return_address+0x61/0xa0 [ 119.591766] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 119.596772] ? path_lookupat.isra.44+0xbd0/0xbd0 [ 119.601519] ? find_held_lock+0x36/0x1c0 [ 119.605576] ? lock_downgrade+0x8e0/0x8e0 [ 119.609712] ? do_sys_open+0x39a/0x740 [ 119.613600] ? kasan_check_read+0x11/0x20 [ 119.617740] ? do_raw_spin_unlock+0x9e/0x2e0 [ 119.622143] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 119.626714] ? __lock_is_held+0xb5/0x140 [ 119.630775] ? _raw_spin_unlock+0x22/0x30 [ 119.634916] ? __alloc_fd+0x346/0x700 [ 119.638705] ? usercopy_warn+0x120/0x120 [ 119.642768] do_filp_open+0x249/0x350 [ 119.646560] ? may_open_dev+0x100/0x100 [ 119.650523] ? strncpy_from_user+0x3b6/0x500 [ 119.654945] ? mpi_free.cold.1+0x19/0x19 [ 119.659003] ? get_unused_fd_flags+0x121/0x190 [ 119.663579] ? getname_flags+0xd0/0x5a0 [ 119.667547] ? getname_flags+0x26e/0x5a0 [ 119.671619] do_sys_open+0x56f/0x740 [ 119.675327] ? filp_open+0x80/0x80 [ 119.678866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 119.684405] ? do_sys_ftruncate+0x44e/0x560 [ 119.688719] __x64_sys_open+0x7e/0xc0 [ 119.692516] do_syscall_64+0x1b1/0x800 [ 119.696397] ? syscall_return_slowpath+0x5c0/0x5c0 [ 119.701317] ? syscall_return_slowpath+0x30f/0x5c0 [ 119.706240] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 119.711599] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 119.716440] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 119.721618] RIP: 0033:0x401c40 [ 119.724794] RSP: 002b:00007ffe9fb2fd88 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 119.732492] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000401c40 [ 119.739751] RDX: 00007ffe9fb2fdda RSI: 0000000000000002 RDI: 00007ffe9fb2fdd0 [ 119.747011] RBP: 00007ffe9fb2fdd0 R08: 0000000000000000 R09: 000000000000000a [ 119.754270] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000004 [ 119.761526] R13: 0000000000000007 R14: 0030656c69662f2e R15: 0000000000000000 [ 119.768801] CPU: 1 PID: 4531 Comm: syz-executor543 Not tainted 4.17.0-rc5+ #54 [ 119.769675] FAULT_INJECTION: forcing a failure. [ 119.769675] name failslab, interval 1, probability 0, space 0, times 0 [ 119.776155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 119.776160] Call Trace: [ 119.776179] dump_stack+0x1b9/0x294 [ 119.776195] ? dump_stack_print_info.cold.2+0x52/0x52 [ 119.776215] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 119.813042] should_fail.cold.4+0xa/0x1a [ 119.817101] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 119.822196] ? __raw_spin_lock_init+0x1c/0x100 [ 119.826769] ? graph_lock+0x170/0x170 [ 119.830571] ? find_held_lock+0x36/0x1c0 [ 119.834641] ? check_same_owner+0x320/0x320 [ 119.838951] ? graph_lock+0x170/0x170 [ 119.842742] ? rcu_note_context_switch+0x710/0x710 [ 119.847662] ? kasan_check_read+0x11/0x20 [ 119.851801] ? do_raw_spin_unlock+0x9e/0x2e0 [ 119.856201] __should_failslab+0x124/0x180 [ 119.860430] should_failslab+0x9/0x14 [ 119.864225] kmem_cache_alloc+0x2af/0x760 [ 119.868363] ? find_held_lock+0x36/0x1c0 [ 119.872419] get_empty_filp+0x125/0x520 [ 119.876387] ? proc_nr_files+0x60/0x60 [ 119.880273] ? kasan_check_read+0x11/0x20 [ 119.884410] ? do_raw_spin_unlock+0x9e/0x2e0 [ 119.888808] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 119.893383] ? kasan_check_write+0x14/0x20 [ 119.897611] ? do_raw_spin_lock+0xc1/0x200 [ 119.901838] alloc_file+0x24/0x3e0 [ 119.905370] ? clear_nlink.part.9+0x65/0x80 [ 119.909683] __shmem_file_setup+0x304/0x6e0 [ 119.914000] ? shmem_fill_super+0xa30/0xa30 [ 119.918316] ? get_unused_fd_flags+0x121/0x190 [ 119.922891] ? __alloc_fd+0x700/0x700 [ 119.926689] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 119.932216] ? _copy_from_user+0xdf/0x150 [ 119.936363] __x64_sys_memfd_create+0x2a7/0x5a0 [ 119.941026] ? memfd_fcntl+0x15d0/0x15d0 [ 119.945082] ? ksys_ioctl+0x81/0xd0 [ 119.948699] ? do_syscall_64+0x92/0x800 [ 119.952670] do_syscall_64+0x1b1/0x800 [ 119.956557] ? syscall_return_slowpath+0x5c0/0x5c0 [ 119.961482] ? syscall_return_slowpath+0x30f/0x5c0 [ 119.966404] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 119.971764] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 119.976601] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 119.981800] RIP: 0033:0x441f79 [ 119.984979] RSP: 002b:00007ffe9fb2fd88 EFLAGS: 00000217 ORIG_RAX: 000000000000013f [ 119.992681] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441f79 [ 119.999939] RDX: 0000000000441f79 RSI: 0000000000000000 RDI: 00000000004a468e [ 120.007195] RBP: 00007ffe9fb2fdd0 R08: 0000000000000000 R09: 0000000000000000 [ 120.014625] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000000004 [ 120.021885] R13: 0000000000000004 R14: 0030656c69662f2e R15: 0000000000000000 [ 120.029159] CPU: 0 PID: 4528 Comm: syz-executor543 Not tainted 4.17.0-rc5+ #54 [ 120.029901] FAULT_INJECTION: forcing a failure. [ 120.029901] name failslab, interval 1, probability 0, space 0, times 0 [ 120.036513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 120.036517] Call Trace: [ 120.036535] dump_stack+0x1b9/0x294 [ 120.036560] ? dump_stack_print_info.cold.2+0x52/0x52 [ 120.068395] should_fail.cold.4+0xa/0x1a [ 120.072452] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 120.077549] ? debug_check_no_locks_freed+0x310/0x310 [ 120.082727] ? graph_lock+0x170/0x170 [ 120.086524] ? find_held_lock+0x36/0x1c0 [ 120.090590] ? check_same_owner+0x320/0x320 [ 120.094905] ? rcu_note_context_switch+0x710/0x710 [ 120.099828] __should_failslab+0x124/0x180 [ 120.104067] should_failslab+0x9/0x14 [ 120.107859] kmem_cache_alloc+0x2af/0x760 [ 120.111999] ? debug_check_no_locks_freed+0x310/0x310 [ 120.117183] get_empty_filp+0x125/0x520 [ 120.121148] ? proc_nr_files+0x60/0x60 [ 120.125027] ? lock_downgrade+0x8e0/0x8e0 [ 120.129173] ? graph_lock+0x170/0x170 [ 120.132964] ? kasan_check_read+0x11/0x20 [ 120.137103] ? rcu_is_watching+0x85/0x140 [ 120.141242] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 120.146424] path_openat+0x116/0x4e20 [ 120.150231] ? unwind_get_return_address+0x61/0xa0 [ 120.155153] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 120.160163] ? path_lookupat.isra.44+0xbd0/0xbd0 [ 120.164914] ? find_held_lock+0x36/0x1c0 [ 120.168973] ? lock_downgrade+0x8e0/0x8e0 [ 120.173111] ? do_sys_open+0x39a/0x740 [ 120.176996] ? kasan_check_read+0x11/0x20 [ 120.181144] ? do_raw_spin_unlock+0x9e/0x2e0 [ 120.185546] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 120.190119] ? __lock_is_held+0xb5/0x140 [ 120.194179] ? _raw_spin_unlock+0x22/0x30 [ 120.198320] ? __alloc_fd+0x346/0x700 [ 120.202112] ? usercopy_warn+0x120/0x120 [ 120.206175] do_filp_open+0x249/0x350 [ 120.209971] ? may_open_dev+0x100/0x100 [ 120.213939] ? strncpy_from_user+0x3b6/0x500 [ 120.218342] ? mpi_free.cold.1+0x19/0x19 [ 120.222395] ? get_unused_fd_flags+0x121/0x190 [ 120.226968] ? getname_flags+0xd0/0x5a0 [ 120.230934] ? getname_flags+0x26e/0x5a0 [ 120.234991] do_sys_open+0x56f/0x740 [ 120.238701] ? filp_open+0x80/0x80 [ 120.242237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 120.247785] ? do_sys_ftruncate+0x44e/0x560 [ 120.252116] __x64_sys_open+0x7e/0xc0 [ 120.255910] do_syscall_64+0x1b1/0x800 [ 120.259790] ? syscall_return_slowpath+0x5c0/0x5c0 [ 120.264714] ? syscall_return_slowpath+0x30f/0x5c0 [ 120.269637] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 120.274997] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 120.279839] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 120.285015] RIP: 0033:0x401c40 [ 120.288201] RSP: 002b:00007ffe9fb2fd88 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 120.295908] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000401c40 [ 120.303169] RDX: 00007ffe9fb2fdda RSI: 0000000000000002 RDI: 00007ffe9fb2fdd0 [ 120.310427] RBP: 00007ffe9fb2fdd0 R08: 0000000000000000 R09: 000000000000000a [ 120.317686] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000004 [ 120.324943] R13: 0000000000000007 R14: 0030656c69662f2e R15: 0000000000000000 [ 120.332223] CPU: 1 PID: 4532 Comm: syz-executor543 Not tainted 4.17.0-rc5+ #54 [ 120.339592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 120.348945] Call Trace: [ 120.351549] dump_stack+0x1b9/0x294 [ 120.355186] ? dump_stack_print_info.cold.2+0x52/0x52 [ 120.360391] should_fail.cold.4+0xa/0x1a [ 120.363086] FAT-fs (loop2): bogus number of reserved sectors [ 120.364460] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 120.364475] ? lock_downgrade+0x8e0/0x8e0 [ 120.364494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 120.370294] FAT-fs (loop2): Can't find a valid FAT filesystem [ 120.375351] ? timespec_trunc+0xe7/0x170 [ 120.375363] ? put_itimerspec64+0x310/0x310 [ 120.375379] ? find_held_lock+0x36/0x1c0 [ 120.375410] ? check_same_owner+0x320/0x320 [ 120.407641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 120.413194] ? rcu_note_context_switch+0x710/0x710 [ 120.418135] __should_failslab+0x124/0x180 [ 120.422382] should_failslab+0x9/0x14 [ 120.426187] kmem_cache_alloc+0x2af/0x760 [ 120.430348] ? lock_downgrade+0x8e0/0x8e0 [ 120.434511] getname_flags+0xd0/0x5a0 [ 120.438321] getname+0x19/0x20 [ 120.441525] do_sys_open+0x39a/0x740 [ 120.445245] ? filp_open+0x80/0x80 [ 120.448786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 120.454311] ? do_sys_ftruncate+0x44e/0x560 [ 120.458620] __x64_sys_open+0x7e/0xc0 [ 120.462406] do_syscall_64+0x1b1/0x800 [ 120.466278] ? syscall_return_slowpath+0x5c0/0x5c0 [ 120.471192] ? syscall_return_slowpath+0x30f/0x5c0 [ 120.476109] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 120.481456] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 120.486287] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 120.491457] RIP: 0033:0x401c40 [ 120.494637] RSP: 002b:00007ffe9fb2fd88 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 120.502328] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000401c40 [ 120.509580] RDX: 00007ffe9fb2fdda RSI: 0000000000000002 RDI: 00007ffe9fb2fdd0 [ 120.517352] RBP: 00007ffe9fb2fdd0 R08: 0000000000000000 R09: 000000000000000a executing program executing program executing program executing program executing program executing program executing program [ 120.524611] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000004 [ 120.531862] R13: 0000000000000007 R14: 0030656c69662f2e R15: 0000000000000000 [ 120.552278] ------------[ cut here ]------------ [ 120.557135] sysfs group 'loop' not found for kobject 'loop0' [ 120.563113] WARNING: CPU: 1 PID: 4523 at fs/sysfs/group.c:235 sysfs_remove_group+0x15b/0x1b0 [ 120.571692] Kernel panic - not syncing: panic_on_warn set ... [ 120.571692] [ 120.579069] CPU: 1 PID: 4523 Comm: syz-executor543 Not tainted 4.17.0-rc5+ #54 [ 120.586428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 120.595779] Call Trace: [ 120.598386] dump_stack+0x1b9/0x294 [ 120.602015] ? dump_stack_print_info.cold.2+0x52/0x52 [ 120.607200] ? sysfs_remove_group+0xf0/0x1b0 [ 120.611591] panic+0x22f/0x4de [ 120.614764] ? add_taint.cold.5+0x16/0x16 [ 120.618893] ? __warn.cold.8+0x148/0x1b3 [ 120.622934] ? __warn.cold.8+0x117/0x1b3 [ 120.626976] ? sysfs_remove_group+0x15b/0x1b0 [ 120.631449] __warn.cold.8+0x163/0x1b3 [ 120.635317] ? sysfs_remove_group+0x15b/0x1b0 [ 120.639793] report_bug+0x252/0x2d0 [ 120.643403] do_error_trap+0x1de/0x490 [ 120.647275] ? math_error+0x420/0x420 [ 120.651077] ? vprintk_default+0x28/0x30 [ 120.655205] ? vprintk_func+0x81/0xe7 [ 120.658987] ? printk+0x9e/0xba [ 120.662252] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 120.667077] do_invalid_op+0x1b/0x20 [ 120.670772] invalid_op+0x14/0x20 [ 120.674210] RIP: 0010:sysfs_remove_group+0x15b/0x1b0 [ 120.679290] RSP: 0018:ffff8801b3a67848 EFLAGS: 00010286 [ 120.684631] RAX: 0000000000000030 RBX: ffffffff892dc900 RCX: ffffffff8160aa5d [ 120.691880] RDX: 0000000000000000 RSI: ffffffff8160f711 RDI: ffff8801b3a673a8 [ 120.699131] RBP: ffff8801b3a67870 R08: ffff8801cba503c0 R09: 0000000000000006 [ 120.706379] R10: ffff8801cba503c0 R11: 0000000000000000 R12: 0000000000000000 [ 120.713625] R13: ffff8801d2ffb3a0 R14: ffffffff88279e00 R15: ffff8801d2e719e8 [ 120.720889] ? console_unlock+0x8ad/0x1100 [ 120.725104] ? vprintk_func+0x81/0xe7 [ 120.728887] ? sysfs_remove_group+0x15b/0x1b0 [ 120.733366] loop_clr_fd+0x51e/0xb80 [ 120.737063] ? loop_attr_do_show_backing_file+0x1a0/0x1a0 [ 120.742583] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 120.747754] lo_ioctl+0x642/0x2130 [ 120.751276] ? kasan_check_read+0x11/0x20 [ 120.755421] ? rcu_is_watching+0x85/0x140 [ 120.759549] ? lo_rw_aio_complete+0x430/0x430 [ 120.764035] blkdev_ioctl+0x9b6/0x2020 [ 120.767923] ? blkpg_ioctl+0xc40/0xc40 [ 120.771793] ? is_bpf_text_address+0xd7/0x170 [ 120.776280] ? kernel_text_address+0x79/0xf0 [ 120.780667] ? __unwind_start+0x166/0x330 [ 120.784796] ? __kernel_text_address+0xd/0x40 [ 120.789275] ? unwind_get_return_address+0x61/0xa0 [ 120.794186] ? __save_stack_trace+0x7e/0xd0 [ 120.798494] ? save_stack+0xa9/0xd0 [ 120.802108] ? save_stack+0x43/0xd0 [ 120.805718] ? __kasan_slab_free+0x11a/0x170 [ 120.810110] ? kasan_slab_free+0xe/0x10 [ 120.814066] ? kfree+0xd9/0x260 [ 120.817326] ? ksys_mount+0xa3/0x140 [ 120.821026] ? __x64_sys_mount+0xbe/0x150 [ 120.825160] ? do_syscall_64+0x1b1/0x800 [ 120.829200] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 120.834554] ? kasan_check_read+0x11/0x20 [ 120.838686] block_ioctl+0xee/0x130 [ 120.842295] ? blkdev_fallocate+0x400/0x400 [ 120.846604] do_vfs_ioctl+0x1cf/0x16a0 [ 120.850478] ? ioctl_preallocate+0x2e0/0x2e0 [ 120.854869] ? fget_raw+0x20/0x20 [ 120.858306] ? quarantine_put+0xeb/0x190 [ 120.862360] ? kfree+0x111/0x260 [ 120.865717] ? ksys_mount+0xa3/0x140 [ 120.869414] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 120.874413] ? security_file_ioctl+0x94/0xc0 [ 120.878802] ksys_ioctl+0xa9/0xd0 [ 120.882243] __x64_sys_ioctl+0x73/0xb0 [ 120.886117] do_syscall_64+0x1b1/0x800 [ 120.889995] ? syscall_return_slowpath+0x5c0/0x5c0 [ 120.894912] ? syscall_return_slowpath+0x30f/0x5c0 [ 120.899825] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 120.905204] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 120.910049] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 120.915223] RIP: 0033:0x441e67 [ 120.918393] RSP: 002b:00007ffe9fb2fd88 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 120.926085] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 0000000000441e67 [ 120.933342] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 000000000000000b [ 120.940592] RBP: 00007ffe9fb2fdd0 R08: 0000000020000100 R09: 000000000000000a [ 120.947844] R10: 0000000000000000 R11: 0000000000000207 R12: 000000000000000b [ 120.955092] R13: 000000000000000a R14: 0030656c69662f2e R15: 0000000000000000 [ 120.962919] Dumping ftrace buffer: [ 120.966575] (ftrace buffer empty) [ 120.970266] Kernel Offset: disabled [ 120.973874] Rebooting in 86400 seconds..