[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 51.907073][ T23] audit: type=1800 audit(1578458777.434:25): pid=8473 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.928601][ T23] audit: type=1800 audit(1578458777.434:26): pid=8473 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 51.976068][ T23] audit: type=1800 audit(1578458777.434:27): pid=8473 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 '10.128.0.67' (ECDSA) to the list of known hosts. 2020/01/08 04:46:27 fuzzer started 2020/01/08 04:46:29 dialing manager at 10.128.0.26:35703 2020/01/08 04:46:29 syscalls: 2824 2020/01/08 04:46:29 code coverage: enabled 2020/01/08 04:46:29 comparison tracing: enabled 2020/01/08 04:46:29 extra coverage: enabled 2020/01/08 04:46:29 setuid sandbox: enabled 2020/01/08 04:46:29 namespace sandbox: enabled 2020/01/08 04:46:29 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 04:46:29 fault injection: enabled 2020/01/08 04:46:29 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 04:46:29 net packet injection: enabled 2020/01/08 04:46:29 net device setup: enabled 2020/01/08 04:46:29 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 04:46:29 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:46:30 executing program 0: r0 = socket(0x11, 0x800000003, 0x0) setsockopt$packet_buf(r0, 0x107, 0xf, &(0x7f0000000000)="a2e6fa9a", 0x31c) bind(r0, &(0x7f0000000080)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) sendto$inet6(r0, &(0x7f0000000240)="ce0410000013f9ff00911efc0bb35c02630dffffa328b47ca8a88a37877b06345ed9cc0542607d85309662bd845011399e970800d8fcb3f6217eb878cd015763", 0x40, 0x0, 0x0, 0x0) 04:46:30 executing program 1: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/route\x00') preadv(r2, &(0x7f0000000180)=[{&(0x7f00000002c0)=""/70, 0x46}, {&(0x7f0000000540)=""/204, 0xcc}], 0x2, 0x0) syzkaller login: [ 65.038614][ T8640] IPVS: ftp: loaded support on port[0] = 21 [ 65.103203][ T8642] IPVS: ftp: loaded support on port[0] = 21 04:46:30 executing program 2: syz_open_procfs(0x0, &(0x7f00000003c0)='auxv\x00') openat$md(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/md0\x00', 0x0, 0x0) unshare(0x600) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = syz_open_procfs(0x0, &(0x7f0000000200)='auxv\x00') lseek(r2, 0x0, 0x0) [ 65.224888][ T8640] chnl_net:caif_netlink_parms(): no params data found [ 65.299635][ T8642] chnl_net:caif_netlink_parms(): no params data found [ 65.370223][ T8640] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.385336][ T8640] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.394236][ T8640] device bridge_slave_0 entered promiscuous mode [ 65.423891][ T8642] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.437097][ T8642] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.453291][ T8642] device bridge_slave_0 entered promiscuous mode [ 65.460919][ T8640] bridge0: port 2(bridge_slave_1) entered blocking state 04:46:31 executing program 3: r0 = getpid() sched_setscheduler(r0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) keyctl$KEYCTL_MOVE(0x1e, 0x0, 0x0, 0x0, 0x0) read(0xffffffffffffffff, 0x0, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0x275a, 0x0) r2 = creat(&(0x7f0000000140)='./file0\x00', 0x0) write$P9_RREAD(r2, &(0x7f0000000100)=ANY=[@ANYBLOB="8c8396d7d508"], 0x6) fallocate(r2, 0x0, 0x40000, 0x4) fallocate(r1, 0x0, 0x0, 0x110001) fdatasync(r2) ioctl$EXT4_IOC_MOVE_EXT(r1, 0xc028660f, &(0x7f0000000040)={0xd000000, r2, 0x0, 0x8}) [ 65.468871][ T8640] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.476787][ T8640] device bridge_slave_1 entered promiscuous mode [ 65.506191][ T8642] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.513278][ T8642] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.522383][ T8646] IPVS: ftp: loaded support on port[0] = 21 [ 65.541865][ T8642] device bridge_slave_1 entered promiscuous mode [ 65.602980][ T8640] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.617743][ T8642] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.619761][ T8648] IPVS: ftp: loaded support on port[0] = 21 [ 65.635978][ T8640] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.649248][ T8642] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.679893][ T8640] team0: Port device team_slave_0 added [ 65.711153][ T8640] team0: Port device team_slave_1 added [ 65.742727][ T8642] team0: Port device team_slave_0 added [ 65.781980][ T8642] team0: Port device team_slave_1 added 04:46:31 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000000040)={0x0, 0x3}, 0xb) shutdown(r0, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000000)={0x0, 0x10, &(0x7f00000002c0)=[@in={0x2, 0x0, @local}]}, &(0x7f0000000180)=0x10) r1 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x71, &(0x7f0000000280)={r2}, &(0x7f00000002c0)=0x18) [ 65.847500][ T8640] device hsr_slave_0 entered promiscuous mode [ 65.906210][ T8640] device hsr_slave_1 entered promiscuous mode 04:46:31 executing program 5: mkdir(&(0x7f0000000340)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000200)='cgroup2\x00', 0x0, 0x0) r0 = open(&(0x7f0000000000)='./file0\x00', 0x0, 0x0) r1 = openat$cgroup(r0, &(0x7f0000000100)='syz0\x00', 0x200002, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup(r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) r6 = fcntl$dupfd(r1, 0x0, r3) r7 = openat$cgroup_procs(r6, &(0x7f00000007c0)='cgroup.procs\x00', 0x2, 0x0) write$cgroup_pid(r7, &(0x7f00000000c0), 0x12) [ 66.057699][ T8651] IPVS: ftp: loaded support on port[0] = 21 [ 66.099314][ T8642] device hsr_slave_0 entered promiscuous mode [ 66.145275][ T8642] device hsr_slave_1 entered promiscuous mode [ 66.195400][ T8642] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.203214][ T8642] Cannot create hsr debugfs directory [ 66.235141][ T8646] chnl_net:caif_netlink_parms(): no params data found [ 66.283333][ T8648] chnl_net:caif_netlink_parms(): no params data found [ 66.320539][ T8654] IPVS: ftp: loaded support on port[0] = 21 [ 66.391218][ T8646] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.398656][ T8646] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.406570][ T8646] device bridge_slave_0 entered promiscuous mode [ 66.416104][ T8646] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.423147][ T8646] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.431733][ T8646] device bridge_slave_1 entered promiscuous mode [ 66.468379][ T8648] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.475498][ T8648] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.483004][ T8648] device bridge_slave_0 entered promiscuous mode [ 66.494399][ T8648] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.501678][ T8648] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.509367][ T8648] device bridge_slave_1 entered promiscuous mode [ 66.532855][ T8642] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.589528][ T8642] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.648546][ T8646] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.660649][ T8640] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.708146][ T8648] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.720985][ T8648] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.730958][ T8642] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.787294][ T8646] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.799531][ T8640] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.868150][ T8640] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.921894][ T8642] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.984734][ T8640] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.026784][ T8648] team0: Port device team_slave_0 added [ 67.035411][ T8648] team0: Port device team_slave_1 added [ 67.049096][ T8646] team0: Port device team_slave_0 added [ 67.108275][ T8648] device hsr_slave_0 entered promiscuous mode [ 67.145436][ T8648] device hsr_slave_1 entered promiscuous mode [ 67.195125][ T8648] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.202725][ T8648] Cannot create hsr debugfs directory [ 67.218295][ T8646] team0: Port device team_slave_1 added [ 67.253285][ T8651] chnl_net:caif_netlink_parms(): no params data found [ 67.346914][ T8646] device hsr_slave_0 entered promiscuous mode [ 67.395356][ T8646] device hsr_slave_1 entered promiscuous mode [ 67.455529][ T8646] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.463126][ T8646] Cannot create hsr debugfs directory [ 67.520198][ T8651] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.527463][ T8651] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.535533][ T8651] device bridge_slave_0 entered promiscuous mode [ 67.544130][ T8651] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.553105][ T8651] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.560806][ T8651] device bridge_slave_1 entered promiscuous mode [ 67.651893][ T8654] chnl_net:caif_netlink_parms(): no params data found [ 67.661737][ T8651] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.673975][ T8651] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.697877][ T8648] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.746412][ T8651] team0: Port device team_slave_0 added [ 67.758045][ T8648] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.820345][ T8648] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.880093][ T8651] team0: Port device team_slave_1 added [ 67.896326][ T8648] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 67.972957][ T8654] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.980424][ T8654] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.992748][ T8654] device bridge_slave_0 entered promiscuous mode [ 68.047776][ T8651] device hsr_slave_0 entered promiscuous mode [ 68.115390][ T8651] device hsr_slave_1 entered promiscuous mode [ 68.155143][ T8651] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.155174][ T8651] Cannot create hsr debugfs directory [ 68.177340][ T8654] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.184736][ T8654] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.193553][ T8654] device bridge_slave_1 entered promiscuous mode [ 68.230886][ T8640] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.243223][ T8654] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.256190][ T8654] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.306829][ T8646] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 68.326988][ T8646] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 68.377932][ T8654] team0: Port device team_slave_0 added [ 68.383777][ T8646] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 68.440723][ T8651] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.478268][ T8654] team0: Port device team_slave_1 added [ 68.489120][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.498538][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.506521][ T8646] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 68.548685][ T8640] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.567006][ T8651] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.599158][ T8651] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.649660][ T8642] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.708933][ T8654] device hsr_slave_0 entered promiscuous mode [ 68.755353][ T8654] device hsr_slave_1 entered promiscuous mode [ 68.795096][ T8654] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.802801][ T8654] Cannot create hsr debugfs directory [ 68.825706][ T8651] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.887838][ T8642] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.896311][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.904837][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.914012][ T2706] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.921398][ T2706] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.929683][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.937588][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.945647][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.998637][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.007722][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.016458][ T2835] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.023548][ T2835] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.031337][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.041860][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.050706][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.059476][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.068693][ T2835] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.075799][ T2835] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.083419][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.092642][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.101835][ T2835] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.109272][ T2835] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.126064][ T8648] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.166930][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.176423][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.186284][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.194634][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.204032][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.213310][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.226908][ T8654] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.267587][ T8654] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 69.319621][ T8654] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.367430][ T8654] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.407961][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.417380][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.425796][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.433974][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.442792][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.453472][ T8648] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.484596][ T8640] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.498232][ T8640] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.506417][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.514804][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.524368][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.533460][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.542207][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.550620][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.558957][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.567169][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.575501][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.583627][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.592150][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.601660][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.618893][ T8642] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.632280][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.641959][ T2860] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.651231][ T2860] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.658403][ T2860] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.674693][ T8646] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.697915][ T2861] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.706478][ T2861] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.716027][ T2861] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.724288][ T2861] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.731907][ T2861] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.756068][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.765512][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.772923][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.781652][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.802391][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.813879][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.823083][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.832253][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.840712][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.848432][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.856455][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.864621][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.873488][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.884994][ T8640] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.894021][ T8646] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.915292][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.922777][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.933273][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.943424][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.952270][ T2835] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.959417][ T2835] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.968208][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.992052][ T8648] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.003443][ T8648] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.014748][ T8642] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.035400][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.043974][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.055260][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.063876][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.073848][ T2839] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.080964][ T2839] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.088790][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.125905][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.134541][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.143944][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.153086][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.162405][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.170990][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.180089][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.188870][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.220176][ T8646] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.232349][ T8646] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.248346][ T8651] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.261806][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.270467][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.279039][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.287444][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.295932][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.304066][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.312716][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.320890][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.329914][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.337641][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.345441][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.353360][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.361675][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.377445][ T8654] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.396794][ T8642] device veth0_vlan entered promiscuous mode [ 70.404544][ T8640] device veth0_vlan entered promiscuous mode [ 70.414874][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.423713][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.433800][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.441955][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.455180][ T8642] device veth1_vlan entered promiscuous mode [ 70.466667][ T8640] device veth1_vlan entered promiscuous mode [ 70.480851][ T8654] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.499303][ T8651] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.511598][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.519783][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.527849][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.536005][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.543373][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.551244][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.559442][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.567991][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.576382][ T2810] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.583411][ T2810] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.591447][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.599320][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.613024][ T8646] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.637089][ T8648] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.644235][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.658370][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.667962][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.677539][ T2810] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.684561][ T2810] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.692606][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.701429][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.709906][ T2810] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.717029][ T2810] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.724558][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.733195][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.741842][ T2810] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.748948][ T2810] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.759004][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.766954][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.792063][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.801867][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.810906][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.820526][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.830484][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.872127][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.882758][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.892214][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.901012][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.911300][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.919973][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.928385][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.938762][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.947722][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.956645][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.969114][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.977918][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.986434][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.995127][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.021178][ T8651] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.032297][ T8651] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.045629][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.054162][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.064369][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.075853][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.083956][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 176.094904][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 176.101765][ C1] rcu: 1-...!: (10499 ticks this GP) idle=866/1/0x4000000000000002 softirq=14392/14392 fqs=43 [ 176.112410][ C1] (t=10501 jiffies g=7337 q=96) [ 176.117343][ C1] rcu: rcu_preempt kthread starved for 10416 jiffies! g7337 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 176.128423][ C1] rcu: RCU grace-period kthread stack dump: [ 176.134297][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 176.142183][ C1] Call Trace: [ 176.145468][ C1] __schedule+0x9a0/0xcc0 [ 176.149798][ C1] schedule+0x181/0x210 [ 176.153944][ C1] schedule_timeout+0x14f/0x240 [ 176.158787][ C1] ? run_local_timers+0x120/0x120 [ 176.163812][ C1] rcu_gp_kthread+0xed8/0x1770 [ 176.168577][ C1] kthread+0x332/0x350 [ 176.172646][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 176.177744][ C1] ? kthread_blkcg+0xe0/0xe0 [ 176.182355][ C1] ret_from_fork+0x24/0x30 [ 176.186774][ C1] NMI backtrace for cpu 1 [ 176.191101][ C1] CPU: 1 PID: 2839 Comm: kworker/1:68 Not tainted 5.5.0-rc5-syzkaller #0 [ 176.199506][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.209576][ C1] Workqueue: events linkwatch_event [ 176.214765][ C1] Call Trace: [ 176.218039][ C1] [ 176.220881][ C1] dump_stack+0x1fb/0x318 [ 176.225202][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 176.230043][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 176.236185][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 176.242242][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 176.248217][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 176.254100][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 176.259211][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 176.264401][ C1] ? trace_hardirqs_off+0x74/0x80 [ 176.269416][ C1] update_process_times+0x12d/0x180 [ 176.274602][ C1] tick_sched_timer+0x263/0x420 [ 176.279440][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 176.284974][ C1] __hrtimer_run_queues+0x403/0x840 [ 176.290173][ C1] hrtimer_interrupt+0x38c/0xda0 [ 176.295124][ C1] ? debug_smp_processor_id+0x9/0x20 [ 176.300661][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 176.306194][ C1] apic_timer_interrupt+0xf/0x20 [ 176.311119][ C1] [ 176.314047][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 176.320190][ 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 [ 176.339784][ C1] RSP: 0018:ffffc90008b776f8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 176.348181][ C1] RAX: ffffffff81489244 RBX: ffffea00025c7740 RCX: ffff88809ef12100 [ 176.356146][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00025c7740 [ 176.364106][ C1] RBP: ffffc90008b77738 R08: 000000000003a728 R09: fffffbfff124248a [ 176.372080][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88808b20b420 [ 176.380048][ C1] R13: dffffc0000000000 R14: 1ffff11011641684 R15: ffff88809792f3f8 [ 176.388029][ C1] ? free_thread_stack+0x124/0x590 [ 176.393133][ C1] ? free_thread_stack+0x124/0x590 [ 176.398234][ C1] put_task_stack+0xa3/0x130 [ 176.402834][ C1] finish_task_switch+0x3f1/0x550 [ 176.407855][ C1] __schedule+0x9a8/0xcc0 [ 176.412183][ C1] ? ___preempt_schedule+0x16/0x18 [ 176.417286][ C1] preempt_schedule+0xdb/0x120 [ 176.422039][ C1] ___preempt_schedule+0x16/0x18 [ 176.426965][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 176.431628][ C1] ? vprintk_emit+0x368/0x3a0 [ 176.436293][ C1] vprintk_emit+0x36d/0x3a0 [ 176.440785][ C1] vprintk_default+0x28/0x30 [ 176.445364][ C1] vprintk_func+0x158/0x170 [ 176.449855][ C1] printk+0x62/0x8d [ 176.453651][ C1] ? addrconf_notify+0xd37/0x3c90 [ 176.458662][ C1] ? addrconf_notify+0x779/0x3c90 [ 176.463679][ C1] addrconf_notify+0x2c8d/0x3c90 [ 176.468613][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 176.473880][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 176.479241][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 176.484779][ C1] ? trace_hardirqs_on+0x74/0x80 [ 176.489706][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 176.495063][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 176.500591][ C1] ? tls_dev_event+0x619/0xc00 [ 176.505342][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 176.510873][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 176.516069][ C1] raw_notifier_call_chain+0xec/0x190 [ 176.521432][ C1] netdev_state_change+0x147/0x1f0 [ 176.526538][ C1] linkwatch_do_dev+0x10e/0x160 [ 176.531375][ C1] __linkwatch_run_queue+0x446/0x730 [ 176.536652][ C1] linkwatch_event+0x4c/0x60 [ 176.541227][ C1] process_one_work+0x7ef/0x10d0 [ 176.546171][ C1] worker_thread+0xc01/0x1630 [ 176.550855][ C1] kthread+0x332/0x350 [ 176.555365][ C1] ? rcu_lock_release+0x30/0x30 [ 176.560205][ C1] ? kthread_blkcg+0xe0/0xe0 [ 176.564783][ C1] ret_from_fork+0x24/0x30