[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 84.265904][ T27] audit: type=1800 audit(1578966444.039:25): pid=9420 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 84.285717][ T27] audit: type=1800 audit(1578966444.039:26): pid=9420 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 84.354232][ T27] audit: type=1800 audit(1578966444.039:27): pid=9420 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.197' (ECDSA) to the list of known hosts. 2020/01/14 01:47:33 fuzzer started 2020/01/14 01:47:34 dialing manager at 10.128.0.26:43159 2020/01/14 01:47:34 syscalls: 2860 2020/01/14 01:47:34 code coverage: enabled 2020/01/14 01:47:34 comparison tracing: enabled 2020/01/14 01:47:34 extra coverage: enabled 2020/01/14 01:47:34 setuid sandbox: enabled 2020/01/14 01:47:34 namespace sandbox: enabled 2020/01/14 01:47:34 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/14 01:47:34 fault injection: enabled 2020/01/14 01:47:34 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/14 01:47:34 net packet injection: enabled 2020/01/14 01:47:34 net device setup: enabled 2020/01/14 01:47:34 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/14 01:47:34 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:47:35 executing program 0: r0 = signalfd(0xffffffffffffffff, &(0x7f0000000040), 0x8) unshare(0x600) signalfd(r0, &(0x7f00000000c0), 0x8) 01:47:36 executing program 1: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000040)={'veth1_virt_wifi\x00', &(0x7f0000000000)=@ethtool_ringparam={0x11}}) syzkaller login: [ 96.350613][ T9586] IPVS: ftp: loaded support on port[0] = 21 [ 96.504700][ T9586] chnl_net:caif_netlink_parms(): no params data found [ 96.552763][ T9586] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.561454][ T9586] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.569738][ T9586] device bridge_slave_0 entered promiscuous mode [ 96.581111][ T9586] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.588381][ T9586] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.598311][ T9586] device bridge_slave_1 entered promiscuous mode [ 96.622975][ T9586] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 96.635942][ T9586] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 01:47:36 executing program 2: r0 = socket(0x11, 0x800000003, 0x8) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) bind(r0, &(0x7f0000000280)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r1, 0x6, 0x80000000000002, &(0x7f00000000c0)=0x2000000000000074, 0x25d) bind$inet(r1, &(0x7f0000000280)={0x2, 0x4e23, @multicast2}, 0x10) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000000480)={0x1, &(0x7f0000000400)=[{0x6, 0x0, 0x0, 0xe8}]}, 0x10) sendto$inet(r1, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) sendto$inet(r1, &(0x7f00000012c0)="0c268a927f1f6588b967481241ba7860f1eaf65ac618ded8974895abeaf4b4834ff922b3f1e0b02bd67aa03059bcecc7a95425a3a07e758044ab4ea6f7ae55d88fecf9091a7511bf746bec66ba", 0xfe6a, 0x2, 0x0, 0x27) [ 96.660101][ T9589] IPVS: ftp: loaded support on port[0] = 21 [ 96.663843][ T9586] team0: Port device team_slave_0 added [ 96.674409][ T9586] team0: Port device team_slave_1 added [ 96.742096][ T9586] device hsr_slave_0 entered promiscuous mode [ 96.798637][ T9586] device hsr_slave_1 entered promiscuous mode [ 96.906577][ T9591] IPVS: ftp: loaded support on port[0] = 21 01:47:36 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) write$binfmt_misc(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f0000000240)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket(0x40000000002, 0x3, 0x2) setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) read$FUSE(0xffffffffffffffff, 0x0, 0x0) sendmsg$TIPC_NL_PEER_REMOVE(0xffffffffffffffff, 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x8e0f) syz_open_dev$ndb(0x0, 0x0, 0x0) [ 97.075083][ T9589] chnl_net:caif_netlink_parms(): no params data found [ 97.099829][ T9586] netdevsim netdevsim0 netdevsim0: renamed from eth0 01:47:37 executing program 4: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_CREATE(r0, &(0x7f0000001080)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000380)={0x58, 0x2, 0x6, 0x1, 0x0, 0x0, {}, [@IPSET_ATTR_TYPENAME={0x13, 0x3, 'hash:net,iface\x00'}, @IPSET_ATTR_REVISION={0x5}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz0\x00'}, @IPSET_ATTR_DATA={0xc, 0x7, 0x0, 0x1, [@IPSET_ATTR_MAXELEM={0x8}]}, @IPSET_ATTR_FAMILY={0x5, 0x5, 0x2}, @IPSET_ATTR_PROTOCOL={0x5}]}, 0x58}}, 0x0) [ 97.292561][ T9586] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 97.341818][ T9586] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 97.402527][ T9586] netdevsim netdevsim0 netdevsim3: renamed from eth3 01:47:37 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/h\x00'}}]}) [ 97.545554][ T9594] IPVS: ftp: loaded support on port[0] = 21 [ 97.554367][ T9589] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.577833][ T9589] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.585560][ T9589] device bridge_slave_0 entered promiscuous mode [ 97.640950][ T9589] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.648443][ T9596] IPVS: ftp: loaded support on port[0] = 21 [ 97.650115][ T9589] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.663522][ T9589] device bridge_slave_1 entered promiscuous mode [ 97.683644][ T9589] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.696986][ T9589] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.741609][ T9589] team0: Port device team_slave_0 added [ 97.752158][ T9589] team0: Port device team_slave_1 added [ 97.770653][ T9591] chnl_net:caif_netlink_parms(): no params data found [ 97.782737][ T9598] IPVS: ftp: loaded support on port[0] = 21 [ 97.889444][ T9589] device hsr_slave_0 entered promiscuous mode [ 97.939153][ T9589] device hsr_slave_1 entered promiscuous mode [ 97.997753][ T9589] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 98.005529][ T9589] Cannot create hsr debugfs directory [ 98.081645][ T9591] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.089219][ T9591] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.096873][ T9591] device bridge_slave_0 entered promiscuous mode [ 98.130398][ T9591] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.138700][ T9591] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.146329][ T9591] device bridge_slave_1 entered promiscuous mode [ 98.189362][ T9586] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.260431][ T9591] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 98.273857][ T9591] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 98.316679][ T9591] team0: Port device team_slave_0 added [ 98.327267][ T9591] team0: Port device team_slave_1 added [ 98.373210][ T9586] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.400896][ T9596] chnl_net:caif_netlink_parms(): no params data found [ 98.412894][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 98.423358][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 98.431682][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 98.440642][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 98.449187][ T2948] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.456315][ T2948] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.464712][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 98.473457][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 98.481940][ T2948] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.489048][ T2948] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.559544][ T9591] device hsr_slave_0 entered promiscuous mode [ 98.617670][ T9591] device hsr_slave_1 entered promiscuous mode [ 98.657229][ T9591] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 98.664819][ T9591] Cannot create hsr debugfs directory [ 98.670831][ T9589] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 98.729571][ T9594] chnl_net:caif_netlink_parms(): no params data found [ 98.739723][ T9598] chnl_net:caif_netlink_parms(): no params data found [ 98.753280][ T2967] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 98.762166][ T9589] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 98.814703][ T9589] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 98.864479][ T9589] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 98.940679][ T2959] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 98.951970][ T2959] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 99.001117][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 99.009746][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 99.033019][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 99.041732][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 99.050599][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 99.093267][ T9598] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.104263][ T9598] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.112817][ T9598] device bridge_slave_0 entered promiscuous mode [ 99.124148][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 99.132801][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 99.168251][ T9596] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.175349][ T9596] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.186865][ T9596] device bridge_slave_0 entered promiscuous mode [ 99.196172][ T9596] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.203487][ T9596] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.211967][ T9596] device bridge_slave_1 entered promiscuous mode [ 99.219217][ T9598] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.226276][ T9598] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.237866][ T9598] device bridge_slave_1 entered promiscuous mode [ 99.254439][ T9594] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.261872][ T9594] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.271284][ T9594] device bridge_slave_0 entered promiscuous mode [ 99.291748][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 99.300270][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 99.333195][ T9598] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 99.342462][ T9594] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.349772][ T9594] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.357773][ T9594] device bridge_slave_1 entered promiscuous mode [ 99.384010][ T9594] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 99.399434][ T9596] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 99.409766][ T9598] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 99.428117][ T9586] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 99.437815][ T9594] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 99.449237][ T9596] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 99.505122][ T9591] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 99.538404][ T9598] team0: Port device team_slave_0 added [ 99.546480][ T9598] team0: Port device team_slave_1 added [ 99.555490][ T9594] team0: Port device team_slave_0 added [ 99.571142][ T9596] team0: Port device team_slave_0 added [ 99.579543][ T9594] team0: Port device team_slave_1 added [ 99.585342][ T9591] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 99.630532][ T9591] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 99.711945][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 99.720857][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 99.744757][ T9596] team0: Port device team_slave_1 added [ 99.760914][ T9591] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 99.824140][ T9586] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 99.890618][ T9594] device hsr_slave_0 entered promiscuous mode [ 99.937622][ T9594] device hsr_slave_1 entered promiscuous mode [ 99.977286][ T9594] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 99.984882][ T9594] Cannot create hsr debugfs directory [ 100.051357][ T9598] device hsr_slave_0 entered promiscuous mode [ 100.107431][ T9598] device hsr_slave_1 entered promiscuous mode [ 100.157447][ T9598] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 100.165077][ T9598] Cannot create hsr debugfs directory [ 100.281729][ T9596] device hsr_slave_0 entered promiscuous mode [ 100.338399][ T9596] device hsr_slave_1 entered promiscuous mode [ 100.377215][ T9596] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 100.384807][ T9596] Cannot create hsr debugfs directory [ 100.456023][ T9589] 8021q: adding VLAN 0 to HW filter on device bond0 [ 100.521272][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 100.530457][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 100.539592][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 100.547497][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 100.579671][ T9589] 8021q: adding VLAN 0 to HW filter on device team0 [ 100.610527][ T9598] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 100.654327][ T9586] device veth0_vlan entered promiscuous mode [ 100.682209][ T9598] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 100.740223][ T2967] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 100.751236][ T2967] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 100.761006][ T2967] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 100.770204][ T2967] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 100.779470][ T2967] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.786524][ T2967] bridge0: port 1(bridge_slave_0) entered forwarding state [ 100.794530][ T2967] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 100.802349][ T2967] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 100.810418][ T2967] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 100.825810][ T9586] device veth1_vlan entered promiscuous mode [ 100.838297][ T9594] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 100.882884][ T9594] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 100.941283][ T9594] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 101.000052][ T9598] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 101.043766][ T9598] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 101.099458][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 101.107988][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 101.116883][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 101.125832][ T2965] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.132909][ T2965] bridge0: port 2(bridge_slave_1) entered forwarding state [ 101.155038][ T9594] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 101.211190][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 101.220513][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 101.229164][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 101.238159][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 101.246720][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 101.305035][ T2967] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 101.321691][ T2967] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 101.333377][ T2967] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 101.342222][ T2967] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 101.351000][ T2967] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 101.359892][ T2967] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 101.384522][ T9596] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 101.422145][ T9589] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 101.456589][ T9596] netdevsim netdevsim4 netdevsim1: renamed from eth1 01:47:41 executing program 0: r0 = signalfd(0xffffffffffffffff, &(0x7f0000000040), 0x8) unshare(0x600) signalfd(r0, &(0x7f00000000c0), 0x8) [ 101.519904][ T9596] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 101.522540][ T9586] ------------[ cut here ]------------ [ 101.532706][ T9586] kernel BUG at fs/namei.c:684! [ 101.539131][ T9586] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 101.545351][ T9586] CPU: 1 PID: 9586 Comm: syz-executor.0 Not tainted 5.5.0-rc5-next-20200113-syzkaller #0 [ 101.555130][ T9586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.565181][ T9586] RIP: 0010:unlazy_walk+0x306/0x3b0 [ 101.570361][ T9586] Code: ff ff ff e8 6c 3f a1 ff e8 e7 d8 b3 ff 48 c7 c6 74 6c c1 81 48 c7 c7 00 f7 ba 89 e8 e4 97 99 ff e9 d8 fe ff ff e8 ca d8 b3 ff <0f> 0b e8 c3 d8 b3 ff 0f 0b e8 bc d8 b3 ff e8 27 86 a0 ff 31 ff 89 [ 101.589942][ T9586] RSP: 0018:ffffc90002777ba0 EFLAGS: 00010293 [ 101.595985][ T9586] RAX: ffff88808f7a4440 RBX: ffffc90002777c60 RCX: ffffffff81c16a16 [ 101.603938][ T9586] RDX: 0000000000000000 RSI: ffffffff81c16ca6 RDI: 0000000000000005 [ 101.611890][ T9586] RBP: ffffc90002777bd0 R08: ffff88808f7a4440 R09: ffff88808f7a4cd8 [ 101.619855][ T9586] R10: fffffbfff1549b88 R11: ffffffff8aa4dc47 R12: 0000000000000009 [ 101.629539][ T9586] R13: ffffc90002777c68 R14: ffff88809666ee40 R15: 0000000000000000 [ 101.637496][ T9586] FS: 00000000017cf940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 101.646412][ T9586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 101.652973][ T9586] CR2: 00007ffc35de3d0c CR3: 000000007d592000 CR4: 00000000001406e0 [ 101.660925][ T9586] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 101.668879][ T9586] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 101.676843][ T9586] Call Trace: [ 101.680141][ T9586] path_mountpoint.isra.0+0x1d5/0x340 [ 101.685591][ T9586] ? find_held_lock+0x35/0x130 [ 101.690362][ T9586] filename_mountpoint+0x181/0x380 [ 101.695471][ T9586] ? filename_parentat.isra.0+0x400/0x400 [ 101.701177][ T9586] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 101.707330][ T9586] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 101.713053][ T9586] ? strncpy_from_user+0x2b4/0x400 [ 101.718167][ T9586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 101.724384][ T9586] ? getname_flags+0x277/0x5b0 [ 101.729138][ T9586] user_path_mountpoint_at+0x3a/0x50 [ 101.734410][ T9586] ksys_umount+0x164/0xef0 [ 101.738825][ T9586] ? up_read+0x1cd/0x810 [ 101.743042][ T9586] ? __detach_mounts+0x290/0x290 [ 101.747970][ T9586] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 101.753455][ T9586] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 101.758895][ T9586] ? do_syscall_64+0x26/0x790 [ 101.763561][ T9586] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 101.769618][ T9586] ? do_syscall_64+0x26/0x790 [ 101.774283][ T9586] ? lockdep_hardirqs_on+0x421/0x5e0 [ 101.779556][ T9586] __x64_sys_umount+0x54/0x80 [ 101.784211][ T9586] do_syscall_64+0xfa/0x790 [ 101.788710][ T9586] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 101.794587][ T9586] RIP: 0033:0x45d977 [ 101.798469][ T9586] Code: 64 89 04 25 d0 02 00 00 58 5f ff d0 48 89 c7 e8 2f be ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 4d 8c fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 101.818138][ T9586] RSP: 002b:00007ffc35de4418 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 101.826524][ T9586] RAX: ffffffffffffffda RBX: 0000000000018c67 RCX: 000000000045d977 [ 101.834483][ T9586] RDX: 0000000000403720 RSI: 0000000000000002 RDI: 00007ffc35de44c0 [ 101.842430][ T9586] RBP: 0000000000000002 R08: 0000000000000000 R09: 000000000000000e [ 101.850379][ T9586] R10: 000000000000000a R11: 0000000000000202 R12: 00007ffc35de5550 [ 101.858324][ T9586] R13: 00000000017d0940 R14: 0000000000000000 R15: 00007ffc35de5550 [ 101.866284][ T9586] Modules linked in: [ 101.872577][ T9586] ---[ end trace bde54e487b96fc5e ]--- [ 101.878281][ T9586] RIP: 0010:unlazy_walk+0x306/0x3b0 [ 101.883475][ T9586] Code: ff ff ff e8 6c 3f a1 ff e8 e7 d8 b3 ff 48 c7 c6 74 6c c1 81 48 c7 c7 00 f7 ba 89 e8 e4 97 99 ff e9 d8 fe ff ff e8 ca d8 b3 ff <0f> 0b e8 c3 d8 b3 ff 0f 0b e8 bc d8 b3 ff e8 27 86 a0 ff 31 ff 89 [ 101.903457][ T9586] RSP: 0018:ffffc90002777ba0 EFLAGS: 00010293 [ 101.909568][ T9586] RAX: ffff88808f7a4440 RBX: ffffc90002777c60 RCX: ffffffff81c16a16 [ 101.917571][ T9586] RDX: 0000000000000000 RSI: ffffffff81c16ca6 RDI: 0000000000000005 [ 101.925533][ T9586] RBP: ffffc90002777bd0 R08: ffff88808f7a4440 R09: ffff88808f7a4cd8 [ 101.933820][ T9586] R10: fffffbfff1549b88 R11: ffffffff8aa4dc47 R12: 0000000000000009 [ 101.941873][ T9586] R13: ffffc90002777c68 R14: ffff88809666ee40 R15: 0000000000000000 [ 101.957223][ T9586] FS: 00000000017cf940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 101.977168][ T2967] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 101.984599][ T2967] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 101.987090][ T9586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 101.995279][ T9596] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 102.005611][ T9586] CR2: 00007ffc35de3d0c CR3: 000000007d592000 CR4: 00000000001406e0 [ 102.014103][ T9586] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 102.022175][ T9586] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 102.030175][ T9586] Kernel panic - not syncing: Fatal exception [ 102.033022][ T9591] 8021q: adding VLAN 0 to HW filter on device bond0 [ 102.044254][ T9586] Kernel Offset: disabled [ 102.048575][ T9586] Rebooting in 86400 seconds..