[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 52.570947][ T26] audit: type=1800 audit(1578446764.326:25): pid=8239 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 52.608109][ T26] audit: type=1800 audit(1578446764.326:26): pid=8239 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 52.648845][ T26] audit: type=1800 audit(1578446764.326:27): pid=8239 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 '10.128.1.58' (ECDSA) to the list of known hosts. 2020/01/08 01:26:15 fuzzer started 2020/01/08 01:26:16 dialing manager at 10.128.0.26:35703 2020/01/08 01:26:16 syscalls: 2824 2020/01/08 01:26:16 code coverage: enabled 2020/01/08 01:26:16 comparison tracing: enabled 2020/01/08 01:26:16 extra coverage: enabled 2020/01/08 01:26:16 setuid sandbox: enabled 2020/01/08 01:26:16 namespace sandbox: enabled 2020/01/08 01:26:16 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 01:26:16 fault injection: enabled 2020/01/08 01:26:16 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 01:26:16 net packet injection: enabled 2020/01/08 01:26:16 net device setup: enabled 2020/01/08 01:26:16 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 01:26:16 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:26:17 executing program 0: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 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, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0x13, 0x0, &(0x7f00000001c0)) 01:26:18 executing program 1: sendmsg$nl_generic(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000240)=ANY=[@ANYBLOB="170000001a00010400000000000010000af000ff08000000e7ffffff07001c0000000002a10ec374058b3c73d358187da31ae151f70c1d1aa49e021b112fd3bf1297f3ad494baa791cbd2ab3776cb50c41293a95b330122783d0be6bc4fb59a97829a20370139eb4dbacaee3517235ca77e9e14749f06711c39280590c728dfa5cb9c325b5fb7d648e9549a2fd9e1b1e518319f5ca4d5dc18d6eb0fade3cde67b5819cede605f1fd864fcf6d538119ecfbb50800000000000000bf"], 0x24}}, 0x0) r0 = socket(0x10, 0x80002, 0x0) sendmmsg$alg(r0, &(0x7f0000000140)=[{0x6, 0x0, &(0x7f0000000100), 0x2, &(0x7f0000000100)}], 0x34e93bd6e724093, 0x0) syzkaller login: [ 66.426279][ T8404] IPVS: ftp: loaded support on port[0] = 21 01:26:18 executing program 2: openat$tun(0xffffffffffffff9c, &(0x7f0000000200)='/dev/net/tun\x00', 0x0, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 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) memfd_create(0x0, 0x0) mkdir(&(0x7f0000000040)='./file0\x00', 0x0) mount$bpf(0x0, &(0x7f0000000000)='./file0\x00', 0x0, 0x0, 0x0) mkdir(&(0x7f00000000c0)='./file0/file0\x00', 0x0) mount$bpf(0x20000000, &(0x7f0000000300)='./file0/file0\x00', 0x0, 0x5004, 0x0) mount$bpf(0x0, &(0x7f00000005c0)='./file0/file0\x00', 0x0, 0x1910824, 0x0) [ 66.596210][ T8406] IPVS: ftp: loaded support on port[0] = 21 [ 66.632645][ T8404] chnl_net:caif_netlink_parms(): no params data found [ 66.746749][ T8404] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.760862][ T8409] IPVS: ftp: loaded support on port[0] = 21 [ 66.777939][ T8404] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.785678][ T8404] device bridge_slave_0 entered promiscuous mode 01:26:18 executing program 3: socketpair$unix(0x1, 0x40000000000001, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r0, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet_udplite(0x2, 0x2, 0x88) r4 = fsopen(&(0x7f0000000040)='gfs2\x00', 0x0) dup2(r3, r4) [ 66.823625][ T8404] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.832781][ T8404] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.840994][ T8404] device bridge_slave_1 entered promiscuous mode [ 66.939220][ T8404] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.962683][ T8404] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.972325][ T8406] chnl_net:caif_netlink_parms(): no params data found 01:26:18 executing program 4: r0 = syz_open_dev$video(&(0x7f0000000000)='/dev/video#\x00', 0x3f, 0x0) r1 = dup2(r0, r0) ioctl$VIDIOC_S_CROP(r1, 0x4014563c, &(0x7f0000000040)={0x9}) [ 67.092830][ T8409] chnl_net:caif_netlink_parms(): no params data found [ 67.103244][ T8413] IPVS: ftp: loaded support on port[0] = 21 [ 67.113235][ T8404] team0: Port device team_slave_0 added [ 67.132237][ T8404] team0: Port device team_slave_1 added [ 67.260525][ T8404] device hsr_slave_0 entered promiscuous mode [ 67.308140][ T8404] device hsr_slave_1 entered promiscuous mode 01:26:19 executing program 5: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000002d00)=ANY=[@ANYBLOB="240000002400fdfe00000000000000000000000008000300000000000800040000bd0000"], 0x24}, 0x8}, 0x0) [ 67.410274][ T8406] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.417431][ T8406] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.429037][ T8415] IPVS: ftp: loaded support on port[0] = 21 [ 67.440501][ T8406] device bridge_slave_0 entered promiscuous mode [ 67.471881][ T8409] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.479401][ T8409] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.487123][ T8409] device bridge_slave_0 entered promiscuous mode [ 67.496207][ T8409] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.503405][ T8409] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.511219][ T8409] device bridge_slave_1 entered promiscuous mode [ 67.518731][ T8406] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.525870][ T8406] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.533670][ T8406] device bridge_slave_1 entered promiscuous mode [ 67.553360][ T8417] IPVS: ftp: loaded support on port[0] = 21 [ 67.568983][ T8406] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.607657][ T8406] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.623397][ T8409] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.657262][ T8409] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.703473][ T8406] team0: Port device team_slave_0 added [ 67.712669][ T8406] team0: Port device team_slave_1 added [ 67.763348][ T8409] team0: Port device team_slave_0 added [ 67.810656][ T8406] device hsr_slave_0 entered promiscuous mode [ 67.878152][ T8406] device hsr_slave_1 entered promiscuous mode [ 67.948027][ T8406] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.955800][ T8406] Cannot create hsr debugfs directory [ 67.966228][ T8409] team0: Port device team_slave_1 added [ 67.974854][ T8413] chnl_net:caif_netlink_parms(): no params data found [ 67.999119][ T8404] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.055522][ T8404] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.136021][ T8404] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.182291][ T8404] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.289658][ T8409] device hsr_slave_0 entered promiscuous mode [ 68.328144][ T8409] device hsr_slave_1 entered promiscuous mode [ 68.398011][ T8409] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.405597][ T8409] Cannot create hsr debugfs directory [ 68.411768][ T8413] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.418928][ T8413] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.426628][ T8413] device bridge_slave_0 entered promiscuous mode [ 68.435551][ T8413] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.442894][ T8413] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.450513][ T8413] device bridge_slave_1 entered promiscuous mode [ 68.533180][ T8413] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.547984][ T8413] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.572153][ T8415] chnl_net:caif_netlink_parms(): no params data found [ 68.645335][ T8413] team0: Port device team_slave_0 added [ 68.655368][ T8417] chnl_net:caif_netlink_parms(): no params data found [ 68.685844][ T8415] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.693397][ T8415] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.701820][ T8415] device bridge_slave_0 entered promiscuous mode [ 68.710882][ T8413] team0: Port device team_slave_1 added [ 68.717125][ T8415] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.724278][ T8415] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.732054][ T8415] device bridge_slave_1 entered promiscuous mode [ 68.752315][ T8415] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.793911][ T8415] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.811663][ T8406] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 68.897557][ T8417] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.906807][ T8417] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.916334][ T8417] device bridge_slave_0 entered promiscuous mode [ 68.923996][ T8409] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 68.980413][ T8406] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 69.060631][ T8413] device hsr_slave_0 entered promiscuous mode [ 69.118292][ T8413] device hsr_slave_1 entered promiscuous mode [ 69.168014][ T8413] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.175761][ T8413] Cannot create hsr debugfs directory [ 69.189849][ T8415] team0: Port device team_slave_0 added [ 69.198623][ T8417] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.205686][ T8417] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.213664][ T8417] device bridge_slave_1 entered promiscuous mode [ 69.220831][ T8409] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 69.272003][ T8409] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 69.330332][ T8406] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 69.372453][ T8415] team0: Port device team_slave_1 added [ 69.394216][ T8409] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.476877][ T8406] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 69.525833][ T8417] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.570056][ T8415] device hsr_slave_0 entered promiscuous mode [ 69.628243][ T8415] device hsr_slave_1 entered promiscuous mode [ 69.667926][ T8415] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.675499][ T8415] Cannot create hsr debugfs directory [ 69.685417][ T8417] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.745923][ T8417] team0: Port device team_slave_0 added [ 69.774965][ T8417] team0: Port device team_slave_1 added [ 69.795184][ T8404] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.827371][ T8413] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 69.860871][ T8413] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 69.950828][ T8413] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 70.040763][ T8417] device hsr_slave_0 entered promiscuous mode [ 70.078519][ T8417] device hsr_slave_1 entered promiscuous mode [ 70.127936][ T8417] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.135492][ T8417] Cannot create hsr debugfs directory [ 70.164442][ T8413] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 70.208915][ T8415] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.282105][ T8404] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.297684][ T8415] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.343642][ T8415] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.392462][ T8415] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.432167][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.441079][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.472109][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.481721][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.490945][ T2875] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.498125][ T2875] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.505935][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.515531][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.523902][ T2875] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.530967][ T2875] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.539323][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.548222][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.566026][ T8406] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.587169][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.597624][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.606436][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.615891][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.653150][ T8417] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 70.723045][ T8409] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.740937][ T8417] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 70.780863][ T8417] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 70.833029][ T8417] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.903405][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.912221][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.920714][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.928661][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.943606][ T8409] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.958100][ T8413] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.969106][ T8406] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.982065][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.991041][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.000176][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.007805][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.015759][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.024174][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.033339][ T8404] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.073439][ T8404] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.083186][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.094079][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.102609][ T2687] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.109698][ T2687] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.117174][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.124978][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.132510][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.140952][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.150162][ T2687] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.157215][ T2687] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.165216][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.173254][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.196388][ T8415] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.221946][ T8415] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.230498][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.239897][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.252785][ T2880] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.259874][ T2880] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.267758][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.275583][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.283173][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.290974][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.299021][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.310415][ T8413] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.334141][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.343257][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.352127][ T2875] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.359196][ T2875] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.367113][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.375738][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.383997][ T2875] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.391085][ T2875] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.399087][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.407683][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.416072][ T2875] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.423142][ T2875] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.431446][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.440370][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.450337][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.465487][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.474060][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.513192][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.522521][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.531335][ T2679] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.538445][ T2679] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.546239][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.554811][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.563262][ T2679] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.570353][ T2679] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.577932][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.586436][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.595013][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.604008][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.612682][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.621306][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.629544][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.638584][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.647355][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.655826][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.664004][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.672442][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.681262][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.689573][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.698104][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.706502][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.715278][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.724546][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.733141][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.747364][ T8409] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.760696][ T8409] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.787406][ T8406] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.798251][ T8406] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.815364][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.824148][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.831946][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.840283][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.848411][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.855991][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.864793][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.873278][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.882018][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.890554][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.898921][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.906992][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.916283][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.924584][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.932948][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.941656][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.949903][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.964999][ T8415] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.977726][ T8415] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.005199][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.013203][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.021762][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.031110][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.040173][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.048752][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.056147][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.082037][ T8409] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.093418][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.101882][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.110427][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.119426][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.127505][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.135033][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.142580][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.150252][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.158611][ T8404] device veth0_vlan entered promiscuous mode [ 72.177067][ T8406] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.187111][ T8413] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.204957][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.213127][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.223792][ T8417] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.238423][ T8415] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.249603][ T8404] device veth1_vlan entered promiscuous mode [ 72.285669][ T8417] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.311442][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.319696][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.327524][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.335605][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.343949][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.353088][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.362141][ T35] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.369424][ T35] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.412713][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.421809][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.431414][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.439918][ T35] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.447043][ T35] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.455035][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.463648][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.472640][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.481373][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.490082][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.497489][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.505571][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.514844][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.523782][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.532372][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.543778][ T8413] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.570370][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.578901][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.587246][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.596056][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.605014][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.613474][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.622403][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.631199][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.639645][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.653974][ T8417] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.666503][ T8417] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.675065][ T8409] device veth0_vlan entered promiscuous mode [ 72.688497][ T8406] device veth0_vlan entered promiscuous mode [ 72.698578][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.706188][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.714490][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.723674][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.732444][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.741245][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.763114][ T8409] device veth1_vlan entered promiscuous mode [ 72.774283][ T8406] device veth1_vlan entered promiscuous mode [ 72.783528][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.792921][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.800653][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.808368][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.822706][ T8417] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.859516][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.867477][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.897044][ T2875] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 177.877830][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 177.884628][ C1] rcu: 1-...!: (10499 ticks this GP) idle=5ba/1/0x4000000000000002 softirq=14569/14569 fqs=1 [ 177.895138][ C1] (t=10500 jiffies g=6573 q=110) [ 177.900158][ C1] rcu: rcu_preempt kthread starved for 10498 jiffies! g6573 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 177.911254][ C1] rcu: RCU grace-period kthread stack dump: [ 177.917143][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 177.925043][ C1] Call Trace: [ 177.928339][ C1] __schedule+0x9a0/0xcc0 [ 177.932668][ C1] schedule+0x181/0x210 [ 177.936818][ C1] schedule_timeout+0x14f/0x240 [ 177.941663][ C1] ? run_local_timers+0x120/0x120 [ 177.946684][ C1] rcu_gp_kthread+0xed8/0x1770 [ 177.951471][ C1] kthread+0x332/0x350 [ 177.955528][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 177.960625][ C1] ? kthread_blkcg+0xe0/0xe0 [ 177.965205][ C1] ret_from_fork+0x24/0x30 [ 177.969621][ C1] NMI backtrace for cpu 1 [ 177.973942][ C1] CPU: 1 PID: 8404 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 177.982507][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.992548][ C1] Call Trace: [ 177.995838][ C1] [ 177.998681][ C1] dump_stack+0x1fb/0x318 [ 178.003009][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 178.007862][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 178.014027][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 178.020107][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 178.026170][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 178.032056][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 178.037167][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 178.042366][ C1] ? trace_hardirqs_off+0x74/0x80 [ 178.047383][ C1] update_process_times+0x12d/0x180 [ 178.052573][ C1] tick_sched_timer+0x263/0x420 [ 178.057411][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 178.062946][ C1] __hrtimer_run_queues+0x403/0x840 [ 178.068151][ C1] hrtimer_interrupt+0x38c/0xda0 [ 178.073093][ C1] ? debug_smp_processor_id+0x9/0x20 [ 178.078374][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 178.083908][ C1] apic_timer_interrupt+0xf/0x20 [ 178.088830][ C1] [ 178.091758][ C1] RIP: 0010:free_thread_stack+0x124/0x590 [ 178.097477][ C1] Code: ff 48 c1 e8 06 48 83 e0 c0 48 bf 00 00 00 00 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 86 91 61 00 e9 5d 04 00 00 e8 3c 2c 2e 00 <48> 89 df 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 73 [ 178.117066][ C1] RSP: 0018:ffffc90001d975c8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 178.125466][ C1] RAX: ffffffff81489244 RBX: ffffea000230f580 RCX: ffff888099b5e100 [ 178.133426][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000230f580 [ 178.141395][ C1] RBP: ffffc90001d97600 R08: 000000000003a728 R09: fffffbfff124248a [ 178.149364][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff888099514b20 [ 178.157326][ C1] R13: dffffc0000000000 R14: 1ffff110132a2964 R15: ffff888089bf3538 [ 178.165301][ C1] ? free_thread_stack+0x124/0x590 [ 178.170404][ C1] ? free_thread_stack+0x124/0x590 [ 178.175506][ C1] put_task_stack+0xa3/0x130 [ 178.180086][ C1] finish_task_switch+0x3f1/0x550 [ 178.185103][ C1] __schedule+0x9a8/0xcc0 [ 178.189430][ C1] preempt_schedule_irq+0xc1/0x140 [ 178.194526][ C1] retint_kernel+0x1b/0x2b [ 178.198928][ C1] RIP: 0010:lock_acquire+0x1b2/0x250 [ 178.204200][ C1] Code: c1 e8 03 42 80 3c 30 00 74 0c 48 c7 c7 68 95 2a 89 e8 02 7a 57 00 48 83 3d 92 e8 ce 07 00 0f 84 9c 00 00 00 48 8b 7d c0 57 9d <0f> 1f 44 00 00 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 44 89 [ 178.223810][ C1] RSP: 0018:ffffc90001d97818 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 178.232215][ C1] RAX: 1ffffffff12552ad RBX: 0000000000000000 RCX: ffffffff815c83e2 [ 178.240523][ C1] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: 0000000000000286 [ 178.248567][ C1] RBP: ffffc90001d97870 R08: dffffc0000000000 R09: fffffbfff140cf26 [ 178.256542][ C1] R10: fffffbfff140cf26 R11: 0000000000000000 R12: 0000000000000001 [ 178.264515][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8880913ffb98 [ 178.272499][ C1] ? validate_chain+0x92/0x7bc0 [ 178.277378][ C1] down_write+0x57/0x140 [ 178.281617][ C1] ? __blkdev_get+0x64c/0x1310 [ 178.286373][ C1] ? mutex_unlock+0xd/0x10 [ 178.290797][ C1] __blkdev_get+0x64c/0x1310 [ 178.295394][ C1] blkdev_get+0x34b/0x3f0 [ 178.299712][ C1] ? bd_acquire+0x321/0x350 [ 178.304205][ C1] blkdev_open+0x1e3/0x2c0 [ 178.308610][ C1] ? block_ioctl+0x100/0x100 [ 178.313211][ C1] do_dentry_open+0x740/0x10c0 [ 178.317980][ C1] vfs_open+0x73/0x80 [ 178.321954][ C1] path_openat+0x1387/0x4240 [ 178.326575][ C1] do_filp_open+0x192/0x3d0 [ 178.331092][ C1] do_sys_open+0x29f/0x560 [ 178.335517][ C1] __x64_sys_open+0x87/0x90 [ 178.340014][ C1] do_syscall_64+0xf7/0x1c0 [ 178.344945][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 178.350824][ C1] RIP: 0033:0x414cc0 [ 178.354724][ C1] Code: 05 48 3d 01 f0 ff ff 0f 83 2d 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d ad 37 66 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 0a fa ff ff [ 178.374405][ C1] RSP: 002b:00007ffd7bb77478 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 178.382832][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000414cc0 [ 178.390878][ C1] RDX: 00007ffd7bb7750a RSI: 0000000000000002 RDI: 00007ffd7bb77500 [ 178.398840][ C1] RBP: 0000000000717460 R08: 0000000000000000 R09: 000000000000000a [ 178.406797][ C1] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000000 [ 178.414757][ C1] R13: 00007ffd7bb774b0 R14: 0000000000000003 R15: 00007ffd7bb774c0