[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 48.565396][ T23] audit: type=1800 audit(1575356635.227:25): pid=8177 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 48.584684][ T23] audit: type=1800 audit(1575356635.227:26): pid=8177 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 48.628113][ T23] audit: type=1800 audit(1575356635.227:27): pid=8177 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.34' (ECDSA) to the list of known hosts. 2019/12/03 07:04:05 fuzzer started 2019/12/03 07:04:07 dialing manager at 10.128.0.26:38907 2019/12/03 07:04:07 syscalls: 2697 2019/12/03 07:04:07 code coverage: enabled 2019/12/03 07:04:07 comparison tracing: enabled 2019/12/03 07:04:07 extra coverage: extra coverage is not supported by the kernel 2019/12/03 07:04:07 setuid sandbox: enabled 2019/12/03 07:04:07 namespace sandbox: enabled 2019/12/03 07:04:07 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 07:04:07 fault injection: enabled 2019/12/03 07:04:07 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 07:04:07 net packet injection: enabled 2019/12/03 07:04:07 net device setup: enabled 2019/12/03 07:04:07 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 07:04:07 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:04:08 executing program 0: ioctl$TIOCGPKT(0xffffffffffffffff, 0x80045438, &(0x7f00000002c0)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x8914, &(0x7f0000000c40)='nr0\x01\x00`\xa1\x9e\xf9\xd2\xc6#\xd9\xa1W\x1c\xb96\x9b\xcda\xef~Iy:\xe1\x87\x12\xec\x97\x80\xe9\xa1S\f\xc7?\xa6\x95I\v\x7f\xbb\xd3[\x17\f\x10u\x1d9\xae\xb6`\xd8c\xe4\x9b\x8cO;=\xadH\x90+[-l\xfd\n\xbd7,c\xbc\xf5\xd7\r\xf3\xfdM.\x8dD<\x88\xbc\x0eV7\xdd\x82\xfc45\xbe\xd4\xde]i<\x9ax\x1c\x86>\x05\xd8\xa6\xf8h\x9a[\xe2\x92\x16\x06\x1f?\xf5?\x8bk9fx\xe7\xba\x15^\xf9\x15-~\xff\xff\x00\x00#1\xeb\x8e\xb1\xedU\x86\xdc\xf8\xd5\x1b\xca\xa9\xc7[\xa2\xef\xacM\xb3\xb0\xb9\x996\x1aD\xff,\"\xc2\xab\xbe\xf4-\xd2N\xab\xe6r3F\xa6\xe4l\x04\x99\xa2\x14B\xd8\xd0\r\xcbW\xf0\x13\xffu\x95\xed\xd0\xff\ai0\xde6u\xd3A\x17\xa4N\xb0\xe4\xf82\x93m\xa4NW\xe4:>6\xbdH\xd2\xa8[\xf4\xfdJ\x80N\x83\xf2\xf3\xcf7\x8aCZ\xf5\xe2\x87\xd4\xe2s7\xb4\xad\xa1\x1b&!\x982\xeck+8Dk;\x95\xfe7q\xe9\xf4,\xa3\x0f\xb2\x1e\x12\xf0\xa3\xd8\xbc-\x85EJ\xf9\xfc\xc0#-\x8f\xd9\tD\x8b\x01\xf4lY=1\xea\x1c\x92de\xe3ZA\x99\a\x9c<\xb4\x11(\xb1|\xb0\x1f\xbf[R+\xe0\xfd\x02\x02*\xda7\xfe\xcc\x14\xb6\xc8\xc8\x83\x18\x83\xb8Z\x11\x06\xf2\xf8g\x02\x04R\x9f\x17\xa3P\xf2\r\xd3\xbfQ\xa9\x8c\xfd\xa7\f.68\xa4\x83\xafh_\x9c\x91\xc1q_|L\x11\x03\x94\xc0\t=\x17\x95P\xd7\xcdH\x1c8^ARL\x9b\x1f\xf6P\rSj\x95\xd9o\x03\xd4\x85\x96\xe0\b\xbf\n\x02\x8bS\x9c\xecyl\xec\x13\x82Rk\x9cAz\xab\rT\xadLO\f\x17Y\x1dg\x10\xe3LL\x1fC\xfa\xd9\xb0\xfb\xb4\xf3[\xdf\xd0\xd6\x82\xf6~0\xb8\xf4\xb0X\xfew\xbdY\n\xd6\x105\x9c\xb7\xe5F\xc1:9\xb8\xc2\x85\b\xfd\x92\xb0k\x93\xd7\xc40J\xc2\xf0=p\xd6\xe3\xe4W:\xd2\xf6\xfc\x83\xb1\xcb\xd1K\xb9(\"9(~\xf4\xf4\x94`\xe8\xdb\x17\xf9\xcf#)T\xcdj^\xa61\x12\x91 \xd7\x92\xc0\xd0s\xa9\xe4\x18:') r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000300)='/dev/net/tun\x00', 0x0, 0x0) write$P9_RREADDIR(0xffffffffffffffff, 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000180)={'nr0\x01\x00', 0x703}) ioctl$RTC_VL_CLR(0xffffffffffffffff, 0x7014) connect$inet(0xffffffffffffffff, 0x0, 0x0) 07:04:08 executing program 1: r0 = openat$adsp1(0xffffffffffffff9c, &(0x7f0000000080)='/dev/adsp1\x00', 0x0, 0x0) read$dsp(r0, &(0x7f00000000c0)=""/202, 0xca) ioctl$SNDCTL_DSP_STEREO(r0, 0xc0045005, &(0x7f0000000000)=0x2) ioctl$SNDCTL_DSP_SETTRIGGER(r0, 0x40045010, &(0x7f0000000040)) syzkaller login: [ 62.293093][ T8344] IPVS: ftp: loaded support on port[0] = 21 [ 62.361351][ T8346] IPVS: ftp: loaded support on port[0] = 21 [ 62.472313][ T8346] chnl_net:caif_netlink_parms(): no params data found 07:04:09 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080)='IPVS\x00') sendmsg$IPVS_CMD_DEL_DAEMON(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000180)={0x20, r1, 0x113, 0x0, 0x0, {}, [@IPVS_CMD_ATTR_DAEMON={0x8, 0x3, [@IPVS_DAEMON_ATTR_STATE={0x8}]}]}, 0x20}}, 0x0) [ 62.534439][ T8346] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.543565][ T8346] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.552119][ T8346] device bridge_slave_0 entered promiscuous mode [ 62.565984][ T8344] chnl_net:caif_netlink_parms(): no params data found [ 62.577183][ T8346] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.584437][ T8346] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.595552][ T8346] device bridge_slave_1 entered promiscuous mode [ 62.675137][ T8346] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.697375][ T8344] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.704561][ T8344] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.715314][ T8344] device bridge_slave_0 entered promiscuous mode [ 62.740875][ T8346] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.753146][ T8344] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.760896][ T8344] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.772011][ T8344] device bridge_slave_1 entered promiscuous mode 07:04:09 executing program 3: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x0, 0x40031, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0xbcda34450b800b7a, 0x40000000000a132, 0xffffffffffffffff, 0x0) r1 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) getsockopt$llc_int(r1, 0x10c, 0x7, &(0x7f0000000040), &(0x7f0000002600)=0x4) [ 62.818246][ T8346] team0: Port device team_slave_0 added [ 62.825625][ T8346] team0: Port device team_slave_1 added [ 62.840792][ T8344] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.870522][ T8344] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.886097][ T8350] IPVS: ftp: loaded support on port[0] = 21 [ 62.940287][ T8346] device hsr_slave_0 entered promiscuous mode [ 62.999048][ T8346] device hsr_slave_1 entered promiscuous mode 07:04:09 executing program 4: r0 = open(&(0x7f00000000c0)='./bus\x00', 0x141042, 0x0) ftruncate(r0, 0x88001) write$P9_RXATTRCREATE(r0, &(0x7f0000000040)={0x3ba}, 0x7) r1 = socket(0x11, 0x3, 0x0) setsockopt$packet_buf(r1, 0x107, 0xf, &(0x7f0000000000)="1f06bfb8", 0x4) bind(r1, &(0x7f0000000180)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) r2 = open(&(0x7f0000000080)='./bus\x00', 0x0, 0x0) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000140)=0x102, 0x4) sendfile(r1, r2, 0x0, 0x4e68d5f8) [ 63.090091][ T8352] IPVS: ftp: loaded support on port[0] = 21 [ 63.101073][ T8344] team0: Port device team_slave_0 added [ 63.132177][ T8344] team0: Port device team_slave_1 added [ 63.193296][ T8346] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 63.253120][ T8346] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 63.300662][ T8346] netdevsim netdevsim1 netdevsim2: renamed from eth2 07:04:10 executing program 5: r0 = syz_init_net_socket$x25(0x9, 0x5, 0x0) ioctl$SIOCX25SSUBSCRIP(r0, 0x89e5, 0x0) [ 63.419841][ T8344] device hsr_slave_0 entered promiscuous mode [ 63.448729][ T8344] device hsr_slave_1 entered promiscuous mode [ 63.487276][ T8344] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.501500][ T8346] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 63.604787][ T8354] IPVS: ftp: loaded support on port[0] = 21 [ 63.621917][ T8356] IPVS: ftp: loaded support on port[0] = 21 [ 63.695042][ T8344] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.761377][ T8344] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.830251][ T8344] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.914104][ T8352] chnl_net:caif_netlink_parms(): no params data found [ 63.933413][ T8344] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.974220][ T8350] chnl_net:caif_netlink_parms(): no params data found [ 64.052086][ T8346] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.074183][ T8352] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.081423][ T8352] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.089396][ T8352] device bridge_slave_0 entered promiscuous mode [ 64.106965][ T8350] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.115644][ T8350] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.124413][ T8350] device bridge_slave_0 entered promiscuous mode [ 64.142739][ T8352] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.150304][ T8352] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.158770][ T8352] device bridge_slave_1 entered promiscuous mode [ 64.172053][ T8350] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.180350][ T8350] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.188344][ T8350] device bridge_slave_1 entered promiscuous mode [ 64.195323][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.204314][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.219167][ T8346] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.248791][ T8352] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.260615][ T8352] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.333279][ T8350] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.355435][ T8352] team0: Port device team_slave_0 added [ 64.372523][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.382055][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.393142][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.400387][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.409796][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.419235][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.427780][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.434864][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.442594][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.451518][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.460935][ T8350] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.471418][ T8352] team0: Port device team_slave_1 added [ 64.479430][ T8354] chnl_net:caif_netlink_parms(): no params data found [ 64.521986][ T8356] chnl_net:caif_netlink_parms(): no params data found [ 64.554272][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.565252][ T8350] team0: Port device team_slave_0 added [ 64.576925][ T8350] team0: Port device team_slave_1 added [ 64.650479][ T8352] device hsr_slave_0 entered promiscuous mode [ 64.708217][ T8352] device hsr_slave_1 entered promiscuous mode [ 64.797287][ T8352] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.815346][ T3316] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.824049][ T3316] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.833103][ T3316] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.841772][ T3316] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.850556][ T3316] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.859145][ T8354] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.866225][ T8354] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.874144][ T8354] device bridge_slave_0 entered promiscuous mode [ 64.884028][ T8354] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.891533][ T8354] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.899785][ T8354] device bridge_slave_1 entered promiscuous mode [ 64.916180][ T8356] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.924123][ T8356] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.932169][ T8356] device bridge_slave_0 entered promiscuous mode [ 64.946989][ T8356] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.954149][ T8356] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.964589][ T8356] device bridge_slave_1 entered promiscuous mode [ 64.982162][ T8344] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.990995][ T8354] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.028940][ T8350] device hsr_slave_0 entered promiscuous mode [ 65.080308][ T8350] device hsr_slave_1 entered promiscuous mode [ 65.127263][ T8350] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.150895][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.159322][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.168222][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.176412][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.188780][ T8354] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.206283][ T8356] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.220380][ T8346] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.251749][ T8356] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.261257][ T8352] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 65.320568][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.328392][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.346192][ T8354] team0: Port device team_slave_0 added [ 65.358233][ T8344] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.366185][ T8354] team0: Port device team_slave_1 added [ 65.373715][ T8352] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 65.429518][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.436988][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.453082][ T8356] team0: Port device team_slave_0 added [ 65.473817][ T8352] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 65.518507][ T8350] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 65.559092][ T8350] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.589923][ T8350] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.640342][ T3316] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.653783][ T3316] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.662346][ T3316] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.669448][ T3316] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.677381][ T3316] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.686804][ T8356] team0: Port device team_slave_1 added [ 65.739424][ T8354] device hsr_slave_0 entered promiscuous mode [ 65.787502][ T8354] device hsr_slave_1 entered promiscuous mode [ 65.847271][ T8354] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.854856][ T8352] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 65.901707][ T8346] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.910572][ T8350] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.959479][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.968335][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.976716][ T2920] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.983858][ T2920] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.991803][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.028371][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.036954][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.049084][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.058412][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.066924][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.075527][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.083813][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.092169][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.100384][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.109211][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.118888][ T8344] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.193852][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.202929][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.270698][ T8356] device hsr_slave_0 entered promiscuous mode [ 66.308345][ T8356] device hsr_slave_1 entered promiscuous mode [ 66.347748][ T8356] debugfs: Directory 'hsr0' with parent '/' already present! [ 66.355342][ T8354] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 66.398920][ T8354] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 66.438881][ T8354] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 66.495016][ T8354] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 171.517076][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 171.524112][ C1] rcu: 1-...!: (10499 ticks this GP) idle=2a6/1/0x4000000000000002 softirq=11815/11815 fqs=42 [ 171.534723][ C1] (t=10500 jiffies g=6885 q=84) [ 171.539665][ C1] rcu: rcu_preempt kthread starved for 10415 jiffies! g6885 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 171.550848][ C1] rcu: RCU grace-period kthread stack dump: [ 171.557801][ C1] rcu_preempt R running task 29104 10 2 0x80004000 [ 171.566388][ C1] Call Trace: [ 171.570225][ C1] __schedule+0x9a0/0xcc0 [ 171.575590][ C1] schedule+0x181/0x210 [ 171.580994][ C1] schedule_timeout+0x14f/0x240 [ 171.586085][ C1] ? run_local_timers+0x120/0x120 [ 171.591293][ C1] rcu_gp_kthread+0xed8/0x1770 [ 171.596064][ C1] kthread+0x332/0x350 [ 171.600181][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 171.606505][ C1] ? kthread_blkcg+0xe0/0xe0 [ 171.611092][ C1] ret_from_fork+0x24/0x30 [ 171.615526][ C1] NMI backtrace for cpu 1 [ 171.619992][ C1] CPU: 1 PID: 8365 Comm: syz-executor.1 Not tainted 5.4.0-syzkaller #0 [ 171.628222][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.638482][ C1] Call Trace: [ 171.641851][ C1] [ 171.644725][ C1] dump_stack+0x1fb/0x318 [ 171.649378][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 171.654310][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 171.660942][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 171.667012][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 171.673080][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 171.678973][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 171.684090][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 171.689292][ C1] ? trace_hardirqs_off+0x74/0x80 [ 171.694325][ C1] update_process_times+0x12d/0x180 [ 171.699874][ C1] tick_sched_timer+0x263/0x420 [ 171.704723][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 171.710271][ C1] __hrtimer_run_queues+0x403/0x840 [ 171.715885][ C1] hrtimer_interrupt+0x38c/0xda0 [ 171.720942][ C1] ? debug_smp_processor_id+0x9/0x20 [ 171.726311][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 171.731879][ C1] apic_timer_interrupt+0xf/0x20 [ 171.736819][ C1] [ 171.739877][ C1] RIP: 0010:mod_memcg_page_state+0xb/0x190 [ 171.745726][ C1] Code: 0b 29 2e 00 eb 05 e8 04 29 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 54 53 <41> 89 f6 48 89 fb e8 da 28 2e 00 48 83 c3 38 48 89 d8 48 c1 e8 03 [ 171.766116][ C1] RSP: 0018:ffffc900025b7e10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 171.774601][ C1] RAX: 1ffff110125fdc71 RBX: ffff888092fee388 RCX: 0000000000000000 [ 171.782661][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002539ac0 [ 171.790721][ C1] RBP: ffffc900025b7e30 R08: 000000000003a768 R09: ffffed1012deaeef [ 171.798777][ C1] R10: ffffed1012deaeef R11: 0000000000000000 R12: ffff888092fee420 [ 171.806794][ C1] R13: dffffc0000000000 R14: 1ffff110125fdc84 R15: ffff888096f57768 [ 171.814796][ C1] free_thread_stack+0x168/0x590 [ 171.819824][ C1] put_task_stack+0xa3/0x130 [ 171.824420][ C1] finish_task_switch+0x3f1/0x550 [ 171.829610][ C1] schedule_tail+0x20/0x1a0 [ 171.834248][ C1] ret_from_fork+0x8/0x30 [ 171.838591][ C1] RIP: 0033:0x45d049 [ 171.842490][ C1] Code: ff 48 85 f6 0f 84 d7 8c fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c ae 8c fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 [ 171.862188][ C1] RSP: 002b:00007f06ddbfedb0 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 171.870785][ C1] RAX: 0000000000000000 RBX: 00007f06ddbff700 RCX: 000000000045d049 [ 171.878811][ C1] RDX: 00007f06ddbff9d0 RSI: 00007f06ddbfedb0 RDI: 00000000003d0f00 [ 171.887015][ C1] RBP: 00007ffd9f7f3810 R08: 00007f06ddbff700 R09: 00007f06ddbff700 [ 171.895031][ C1] R10: 00007f06ddbff9d0 R11: 0000000000000202 R12: 0000000000000000 [ 171.903355][ C1] R13: 00007ffd9f7f36af R14: 00007f06ddbff9c0 R15: 000000000075bf2c