[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.371357][ T25] audit: type=1800 audit(1578475715.954:25): pid=8422 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 53.396189][ T25] audit: type=1800 audit(1578475715.954:26): pid=8422 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.436040][ T25] audit: type=1800 audit(1578475715.964:27): pid=8422 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 '10.128.0.76' (ECDSA) to the list of known hosts. 2020/01/08 09:28:47 fuzzer started 2020/01/08 09:28:49 dialing manager at 10.128.0.26:35703 2020/01/08 09:28:49 syscalls: 2824 2020/01/08 09:28:49 code coverage: enabled 2020/01/08 09:28:49 comparison tracing: enabled 2020/01/08 09:28:49 extra coverage: enabled 2020/01/08 09:28:49 setuid sandbox: enabled 2020/01/08 09:28:49 namespace sandbox: enabled 2020/01/08 09:28:49 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 09:28:49 fault injection: enabled 2020/01/08 09:28:49 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 09:28:49 net packet injection: enabled 2020/01/08 09:28:49 net device setup: enabled 2020/01/08 09:28:49 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 09:28:49 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:28:50 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) mkdir(&(0x7f0000002000)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x0) mount(0x0, &(0x7f0000000480)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', &(0x7f0000000500)='ubifs\x00', 0x0, 0x0) mount(&(0x7f0000000000)=@loop={'/dev/loop', 0x0}, &(0x7f0000000040)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', &(0x7f00000000c0)='ubifs\x00', 0x0, 0x0) 09:28:50 executing program 1: bpf$MAP_CREATE(0x900000000000000, &(0x7f0000000100)={0x4, 0x4, 0x200000004, 0x7, 0x0, 0xffffffffffffffff, 0x0, [0x305f, 0x2e, 0x5f, 0x80ffff, 0x5f, 0x5f, 0x80ffff, 0x2e, 0x5f, 0x2e, 0x2e, 0x2e, 0x5f, 0x7b37, 0x5f]}, 0x3c) syzkaller login: [ 67.924899][ T8588] IPVS: ftp: loaded support on port[0] = 21 09:28:50 executing program 2: r0 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000400)=[{&(0x7f0000000180)="2e0000002e00050ad25a80648c6394fb0124fc001000000082c137153e070000000000002000d1bd9691ded0bf4d", 0x2e}], 0x1}, 0x0) [ 68.079086][ T8588] chnl_net:caif_netlink_parms(): no params data found [ 68.104919][ T8591] IPVS: ftp: loaded support on port[0] = 21 [ 68.153477][ T8588] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.161590][ T8588] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.169948][ T8588] device bridge_slave_0 entered promiscuous mode [ 68.206471][ T8588] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.213614][ T8588] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.226844][ T8588] device bridge_slave_1 entered promiscuous mode [ 68.309250][ T8588] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.342187][ T8588] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 09:28:50 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_buf(r0, 0x29, 0x14, &(0x7f0000000040)="ff55d36cffba04365d0000000000000101000000", 0x14) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f00000000c0)={0x1, {{0xa, 0x0, 0x0, @mcast2}}}, 0x229) setsockopt$inet6_buf(r0, 0x29, 0x15, &(0x7f0000000000)="ff55d36cffba04365d0000000000000101000000", 0x14) [ 68.362471][ T8591] chnl_net:caif_netlink_parms(): no params data found [ 68.419655][ T8588] team0: Port device team_slave_0 added [ 68.430939][ T8594] IPVS: ftp: loaded support on port[0] = 21 [ 68.450802][ T8588] team0: Port device team_slave_1 added [ 68.472424][ T8591] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.480300][ T8591] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.490053][ T8591] device bridge_slave_0 entered promiscuous mode [ 68.522231][ T8591] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.531649][ T8591] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.540424][ T8591] device bridge_slave_1 entered promiscuous mode 09:28:51 executing program 4: r0 = syz_open_dev$loop(&(0x7f00000004c0)='/dev/loop#\x00', 0x0, 0x105082) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r2 = socket$nl_xfrm(0x10, 0x3, 0x6) r3 = dup2(r2, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = memfd_create(&(0x7f0000000080)='\xfaIhFlK\x99F\x17\x16\xa5>\xd3\xc0\x93\xb5.\xda\x06_bT\x1cB\xdb\xf8y1\xe7,\x03\x98h\x86(\xa0m\x87+x\x14i\x88\xcd\x89\x81\xfb\x86', 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f00000000c0)='S', 0x1}], 0x1, 0x4081003) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r4) fallocate(r0, 0x11, 0x0, 0x100000001) [ 68.628720][ T8588] device hsr_slave_0 entered promiscuous mode [ 68.677226][ T8588] device hsr_slave_1 entered promiscuous mode [ 68.782946][ T8596] IPVS: ftp: loaded support on port[0] = 21 [ 68.800997][ T8591] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 09:28:51 executing program 5: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f00000000c0)=0x2000000000000074, 0x25d) bind$inet(r0, &(0x7f0000000040)={0x2, 0x4e23, @multicast2}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000980)='reno\x00', 0xfea1) sendto$inet(r0, 0x0, 0x0, 0x210007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) sendmmsg(r0, &(0x7f0000006c80)=[{{0x0, 0x0, &(0x7f00000002c0)=[{&(0x7f0000000180)="f5", 0x1}], 0x1}}], 0x1, 0x0) sendto$inet(r0, &(0x7f00000012c0)="03268a927f1f6587b967483041ba7860f46ef65ac618ded8974895abeaf4b4834ff922b3f1e0b02bd67aa03059bcecc7a95c25a3a07e758044ab0da6f7ae55d88fecf9221a7511bf746bec66ba", 0xf83c, 0x2, 0x0, 0x27) [ 68.844960][ T8598] IPVS: ftp: loaded support on port[0] = 21 [ 68.863684][ T8591] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.930022][ T8591] team0: Port device team_slave_0 added [ 68.984910][ T8591] team0: Port device team_slave_1 added [ 69.021275][ T8601] IPVS: ftp: loaded support on port[0] = 21 [ 69.108251][ T8591] device hsr_slave_0 entered promiscuous mode [ 69.156497][ T8591] device hsr_slave_1 entered promiscuous mode [ 69.216235][ T8591] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.225113][ T8591] Cannot create hsr debugfs directory [ 69.231032][ T8594] chnl_net:caif_netlink_parms(): no params data found [ 69.328915][ T8588] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.400787][ T8588] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.460648][ T8588] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.531169][ T8588] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.577533][ T8594] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.584668][ T8594] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.592258][ T8594] device bridge_slave_0 entered promiscuous mode [ 69.599878][ T8591] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 69.689826][ T8594] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.697046][ T8594] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.704725][ T8594] device bridge_slave_1 entered promiscuous mode [ 69.717218][ T8591] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 69.759632][ T8591] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 69.827488][ T8596] chnl_net:caif_netlink_parms(): no params data found [ 69.858009][ T8591] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 69.925201][ T8594] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.962491][ T8594] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.979855][ T8598] chnl_net:caif_netlink_parms(): no params data found [ 69.997797][ T8596] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.004924][ T8596] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.017470][ T8596] device bridge_slave_0 entered promiscuous mode [ 70.053337][ T8596] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.061353][ T8596] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.069381][ T8596] device bridge_slave_1 entered promiscuous mode [ 70.091529][ T8594] team0: Port device team_slave_0 added [ 70.115226][ T8596] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.126925][ T8596] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.151919][ T8594] team0: Port device team_slave_1 added [ 70.168644][ T8596] team0: Port device team_slave_0 added [ 70.185684][ T8598] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.194302][ T8598] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.202199][ T8598] device bridge_slave_0 entered promiscuous mode [ 70.210965][ T8598] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.218158][ T8598] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.225841][ T8598] device bridge_slave_1 entered promiscuous mode [ 70.240751][ T8596] team0: Port device team_slave_1 added [ 70.250704][ T8601] chnl_net:caif_netlink_parms(): no params data found [ 70.338859][ T8594] device hsr_slave_0 entered promiscuous mode [ 70.376396][ T8594] device hsr_slave_1 entered promiscuous mode [ 70.426833][ T8594] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.434441][ T8594] Cannot create hsr debugfs directory [ 70.455768][ T8598] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.528791][ T8596] device hsr_slave_0 entered promiscuous mode [ 70.566368][ T8596] device hsr_slave_1 entered promiscuous mode [ 70.606217][ T8596] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.613881][ T8596] Cannot create hsr debugfs directory [ 70.631404][ T8598] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.655047][ T8598] team0: Port device team_slave_0 added [ 70.665290][ T8601] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.672522][ T8601] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.681244][ T8601] device bridge_slave_0 entered promiscuous mode [ 70.691137][ T8601] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.698246][ T8601] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.706032][ T8601] device bridge_slave_1 entered promiscuous mode [ 70.714607][ T8598] team0: Port device team_slave_1 added [ 70.783459][ T8601] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.795776][ T8601] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.869383][ T8598] device hsr_slave_0 entered promiscuous mode [ 70.916624][ T8598] device hsr_slave_1 entered promiscuous mode [ 70.956211][ T8598] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.963814][ T8598] Cannot create hsr debugfs directory [ 71.015191][ T8591] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.024742][ T8601] team0: Port device team_slave_0 added [ 71.035629][ T8601] team0: Port device team_slave_1 added [ 71.085618][ T8588] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.093272][ T8594] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 71.122094][ T8594] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 71.170025][ T8594] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 71.258300][ T8588] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.270169][ T8596] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 71.357776][ T8594] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 71.401405][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.409665][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.418207][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.425777][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.435805][ T8591] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.518736][ T8601] device hsr_slave_0 entered promiscuous mode [ 71.577555][ T8601] device hsr_slave_1 entered promiscuous mode [ 71.636704][ T8601] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.644290][ T8601] Cannot create hsr debugfs directory [ 71.650017][ T8596] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 71.701754][ T8596] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 71.749812][ T3220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.758540][ T3220] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.768981][ T3220] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.776274][ T3220] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.784806][ T8598] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 71.828703][ T8598] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 71.871604][ T8598] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 71.920175][ T8596] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 71.987803][ T3220] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.995672][ T3220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.004575][ T3220] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.012970][ T3220] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.020073][ T3220] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.028579][ T3220] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.048672][ T8598] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 72.094852][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.103959][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.112396][ T3221] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.119467][ T3221] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.129539][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.138167][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.146778][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.155018][ T3221] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.162096][ T3221] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.169724][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.205108][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.214561][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.223697][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.232067][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.240446][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.251984][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.279229][ T8588] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.290606][ T8588] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.303480][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.313623][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.322399][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.330737][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.339269][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.348324][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.356969][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.367937][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.375775][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.407303][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.420235][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.428816][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.440242][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.448500][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.457152][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.479458][ T8591] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.500663][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.509212][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.521432][ T8588] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.582616][ T8601] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 72.633800][ T8598] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.647908][ T8594] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.659721][ T8591] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.671546][ T8601] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 72.703435][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.712382][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.721302][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.730544][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.738288][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.745882][ T3064] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.767943][ T8598] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.780365][ T8601] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 72.818621][ T8601] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 72.870157][ T8588] device veth0_vlan entered promiscuous mode [ 72.883496][ T8594] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.898177][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.909680][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.918227][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.925804][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.933799][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.943067][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.951746][ T3219] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.958864][ T3219] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.966637][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.974258][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.982143][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.000477][ T8588] device veth1_vlan entered promiscuous mode [ 73.022505][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.030709][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.042860][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.051835][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.060780][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.074873][ T3219] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.081968][ T3219] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.089820][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.099282][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.108159][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.117280][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.127458][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.136325][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.144783][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.153329][ T3219] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.160410][ T3219] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.174708][ T8596] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.204169][ T8591] device veth0_vlan entered promiscuous mode [ 73.211097][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.221267][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.229608][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.238278][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.246699][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.258531][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.266933][ T3221] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.273961][ T3221] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.281689][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.289973][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.298156][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.315609][ T8596] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.342120][ T8594] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.353230][ T8594] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.375456][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.385884][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.400032][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.408599][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.416411][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.424960][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.433511][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.442067][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.450584][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.459400][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.468607][ T3219] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.511498][ T3218] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.520227][ T3218] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.389877][ T8609] UBIFS error (pid: 8609): cannot open "(null)", error -22 [ 74.390389][ T8609] UBIFS error (pid: 8609): cannot open "/dev/loop0", error -22 [ 178.545940][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 178.560206][ C1] rcu: 1-...!: (10499 ticks this GP) idle=62a/1/0x4000000000000002 softirq=13799/13799 fqs=42 [ 178.570848][ C1] (t=10500 jiffies g=6825 q=84) [ 178.575801][ C1] rcu: rcu_preempt kthread starved for 10415 jiffies! g6825 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 178.586886][ C1] rcu: RCU grace-period kthread stack dump: [ 178.592767][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 178.600674][ C1] Call Trace: [ 178.603980][ C1] __schedule+0x9a0/0xcc0 [ 178.608328][ C1] schedule+0x181/0x210 [ 178.612482][ C1] schedule_timeout+0x14f/0x240 [ 178.617325][ C1] ? run_local_timers+0x120/0x120 [ 178.622351][ C1] rcu_gp_kthread+0xed8/0x1770 [ 178.627117][ C1] kthread+0x332/0x350 [ 178.631201][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 178.636314][ C1] ? kthread_blkcg+0xe0/0xe0 [ 178.641023][ C1] ret_from_fork+0x24/0x30 [ 178.645630][ C1] NMI backtrace for cpu 1 [ 178.651954][ C1] CPU: 1 PID: 3218 Comm: kworker/1:126 Not tainted 5.5.0-rc5-syzkaller #0 [ 178.660438][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.670499][ C1] Workqueue: events linkwatch_event [ 178.675683][ C1] Call Trace: [ 178.678954][ C1] [ 178.681801][ C1] dump_stack+0x1fb/0x318 [ 178.686123][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 178.690960][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 178.697102][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 178.703155][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 178.709126][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 178.715027][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 178.720143][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 178.726295][ C1] ? trace_hardirqs_off+0x74/0x80 [ 178.731322][ C1] update_process_times+0x12d/0x180 [ 178.736629][ C1] tick_sched_timer+0x263/0x420 [ 178.741497][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 178.747041][ C1] __hrtimer_run_queues+0x403/0x840 [ 178.752253][ C1] hrtimer_interrupt+0x38c/0xda0 [ 178.757203][ C1] ? debug_smp_processor_id+0x9/0x20 [ 178.762486][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 178.768047][ C1] apic_timer_interrupt+0xf/0x20 [ 178.772971][ C1] [ 178.775900][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 178.782237][ C1] Code: 84 f4 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 <83> fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 8b 89 84 [ 178.801858][ C1] RSP: 0018:ffffc90008ddf6c8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 178.810272][ C1] RAX: ffffffff814896c6 RBX: ffffea0002a43d40 RCX: ffff88809df1a500 [ 178.818238][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002a43d40 [ 178.826295][ C1] RBP: ffffc90008ddf6f0 R08: dffffc0000000000 R09: fffffbfff124248a [ 178.834610][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a846ada0 [ 178.842572][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88808bc079b8 [ 178.850547][ C1] ? mod_memcg_page_state+0x16/0x190 [ 178.855825][ C1] ? free_thread_stack+0x124/0x590 [ 178.860921][ C1] ? mod_memcg_page_state+0x16/0x190 [ 178.866203][ C1] free_thread_stack+0x168/0x590 [ 178.871139][ C1] put_task_stack+0xa3/0x130 [ 178.875724][ C1] finish_task_switch+0x3f1/0x550 [ 178.880757][ C1] __schedule+0x9a8/0xcc0 [ 178.885084][ C1] ? ___preempt_schedule+0x16/0x18 [ 178.890186][ C1] preempt_schedule+0xdb/0x120 [ 178.894942][ C1] ___preempt_schedule+0x16/0x18 [ 178.899891][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 178.904574][ C1] ? vprintk_emit+0x368/0x3a0 [ 178.909248][ C1] vprintk_emit+0x36d/0x3a0 [ 178.913761][ C1] vprintk_default+0x28/0x30 [ 178.918361][ C1] vprintk_func+0x158/0x170 [ 178.922860][ C1] printk+0x62/0x8d [ 178.926662][ C1] ? addrconf_notify+0xd37/0x3c90 [ 178.931678][ C1] ? addrconf_notify+0x779/0x3c90 [ 178.936698][ C1] addrconf_notify+0x2c8d/0x3c90 [ 178.941636][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 178.946927][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 178.952295][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 178.957835][ C1] ? trace_hardirqs_on+0x74/0x80 [ 178.962759][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 178.968123][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 178.973828][ C1] ? tls_dev_event+0x619/0xc00 [ 178.978593][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 178.984131][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 178.989330][ C1] raw_notifier_call_chain+0xec/0x190 [ 178.994698][ C1] netdev_state_change+0x147/0x1f0 [ 178.999801][ C1] linkwatch_do_dev+0x10e/0x160 [ 179.004640][ C1] __linkwatch_run_queue+0x446/0x730 [ 179.009919][ C1] linkwatch_event+0x4c/0x60 [ 179.014499][ C1] process_one_work+0x7ef/0x10d0 [ 179.019441][ C1] worker_thread+0xc01/0x1630 [ 179.024128][ C1] kthread+0x332/0x350 [ 179.028185][ C1] ? rcu_lock_release+0x30/0x30 [ 179.033025][ C1] ? kthread_blkcg+0xe0/0xe0 [ 179.038392][ C1] ret_from_fork+0x24/0x30