[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 55.287765][ T26] audit: type=1800 audit(1578466448.302:25): pid=8466 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 55.318490][ T26] audit: type=1800 audit(1578466448.312:26): pid=8466 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 55.357296][ T26] audit: type=1800 audit(1578466448.312:27): pid=8466 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 '10.128.0.238' (ECDSA) to the list of known hosts. 2020/01/08 06:54:16 fuzzer started 2020/01/08 06:54:18 dialing manager at 10.128.0.26:35703 2020/01/08 06:54:18 syscalls: 2824 2020/01/08 06:54:18 code coverage: enabled 2020/01/08 06:54:18 comparison tracing: enabled 2020/01/08 06:54:18 extra coverage: enabled 2020/01/08 06:54:18 setuid sandbox: enabled 2020/01/08 06:54:18 namespace sandbox: enabled 2020/01/08 06:54:18 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 06:54:18 fault injection: enabled 2020/01/08 06:54:18 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 06:54:18 net packet injection: enabled 2020/01/08 06:54:18 net device setup: enabled 2020/01/08 06:54:18 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 06:54:18 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:54:19 executing program 0: perf_event_open(&(0x7f000001d000)={0x1, 0x334, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000440)={0x2, 0x60, 0xb9, 0x2, 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, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x0, 0x5c832, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x1000, 0x3, 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) openat$tun(0xffffffffffffff9c, &(0x7f0000000100)='/dev/net/tun\x00', 0x101000, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) fallocate(r0, 0x2, 0x5, 0x3) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f00000000c0)=0x0) fcntl$lock(r0, 0x5, &(0x7f0000000200)={0x3, 0x0, 0x100000000, 0x573, r1}) setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x41, &(0x7f00000004c0)=ANY=[@ANYBLOB="66696c7465720000000000000000000000000000000000000000000000000000030000000000931c640000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a270c904"], 0x58) shutdown(r0, 0x0) bind$inet(r0, &(0x7f0000dc9ff0)={0x2, 0x4e20}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x20000000, &(0x7f0000000080)={0x2, 0x4e20}, 0x10) sendto$inet(r0, &(0x7f0000000180), 0xffffffffffffff9a, 0x4007ffd, 0x0, 0xb4) recvmmsg(r0, &(0x7f0000001640)=[{{0x0, 0x172, 0x0, 0x0, 0x0, 0x104}}], 0x1, 0x40000003, 0x0) r2 = socket$inet_tcp(0x2, 0x1, 0x0) fallocate(r2, 0x2, 0x0, 0x3) ioctl$sock_SIOCGPGRP(r2, 0x8904, &(0x7f00000000c0)=0x0) fcntl$lock(r2, 0x5, &(0x7f0000000200)={0x3, 0x0, 0x100000000, 0x573, r3}) bind$inet(r2, &(0x7f0000dc9ff0)={0x2, 0x4e20}, 0x10) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) 06:54:19 executing program 1: socket(0x1e, 0x4, 0x0) r0 = socket(0x10, 0x3, 0x0) socket$inet_udp(0x2, 0x2, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, 0x0, 0x0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ubi_ctrl\x00', 0x0, 0x0) ioctl$LOOP_SET_DIRECT_IO(0xffffffffffffffff, 0x4c08, 0x0) ioctl$VIDIOC_PREPARE_BUF(0xffffffffffffffff, 0xc058565d, 0x0) getpriority(0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) unshare(0x600) r1 = socket$inet_tcp(0x2, 0x1, 0x0) r2 = signalfd(0xffffffffffffffff, &(0x7f00007aeff8), 0x8) close(0xffffffffffffffff) fcntl$setstatus(r2, 0x4, 0x2c00) r3 = gettid() process_vm_writev(r3, &(0x7f00000001c0)=[{0x0}, {&(0x7f0000000100)=""/72, 0x48}], 0x2, &(0x7f0000000500)=[{&(0x7f0000000340)=""/39, 0x27}, {&(0x7f0000000380)=""/158, 0x9e}, {&(0x7f0000000440)=""/139, 0x8b}], 0x3, 0x0) r4 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet6_int(r4, 0x84, 0x7f, 0x0, 0x0) ioctl$sock_SIOCSPGRP(r4, 0x8902, 0x0) ioctl$sock_inet_SIOCSIFADDR(r1, 0x8916, &(0x7f0000000000)={'bond_slave_0\x00', {0x2, 0x0, @loopback}}) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0xc, &(0x7f0000000200)={0x7ff}, 0x10) ioctl$EXT4_IOC_MIGRATE(r0, 0x6609) syzkaller login: [ 66.980257][ T8631] IPVS: ftp: loaded support on port[0] = 21 06:54:20 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000000080)=@nat={'nat\x00', 0x19, 0x1, 0x238, [0x200003c0, 0x0, 0x0, 0x200003f0, 0x20000420], 0x0, 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="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"/568]}, 0x2b0) [ 67.090199][ T8633] IPVS: ftp: loaded support on port[0] = 21 [ 67.176282][ T8631] chnl_net:caif_netlink_parms(): no params data found [ 67.274120][ T8636] IPVS: ftp: loaded support on port[0] = 21 [ 67.283144][ T8631] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.299641][ T8631] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.307305][ T8631] device bridge_slave_0 entered promiscuous mode [ 67.341362][ T8631] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.348465][ T8631] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.357775][ T8631] device bridge_slave_1 entered promiscuous mode 06:54:20 executing program 3: unshare(0x400) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) connect$unix(r0, 0x0, 0x0) [ 67.437136][ T8631] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.477745][ T8633] chnl_net:caif_netlink_parms(): no params data found [ 67.515776][ T8631] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 06:54:20 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000340)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000040)={{&(0x7f00000e2000/0xc00000)=nil, 0xc00000}, 0x1}) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000340)) ioctl$UFFDIO_REGISTER(r3, 0xc028aa03, &(0x7f00000a0fe0)={{&(0x7f00005e3000/0x800000)=nil, 0x730000}, 0x200000}) [ 67.646185][ T8631] team0: Port device team_slave_0 added [ 67.690222][ T8631] team0: Port device team_slave_1 added [ 67.704169][ T8636] chnl_net:caif_netlink_parms(): no params data found [ 67.741534][ T8633] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.748633][ T8633] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.756837][ T8633] device bridge_slave_0 entered promiscuous mode 06:54:20 executing program 5: r0 = open(&(0x7f0000000080)='./file0\x00', 0x8040, 0x0) fcntl$setlease(r0, 0x400, 0x0) unlink(&(0x7f0000000000)='./file0\x00') [ 67.862585][ T8631] device hsr_slave_0 entered promiscuous mode [ 67.929112][ T8631] device hsr_slave_1 entered promiscuous mode [ 67.972899][ T8633] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.980105][ T8633] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.987651][ T8633] device bridge_slave_1 entered promiscuous mode [ 68.006455][ T8641] IPVS: ftp: loaded support on port[0] = 21 [ 68.028219][ T8633] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.064743][ T8642] IPVS: ftp: loaded support on port[0] = 21 [ 68.072210][ T8633] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.104418][ T8644] IPVS: ftp: loaded support on port[0] = 21 [ 68.134500][ T8633] team0: Port device team_slave_0 added [ 68.142679][ T8636] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.150127][ T8636] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.157688][ T8636] device bridge_slave_0 entered promiscuous mode [ 68.167832][ T8636] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.175058][ T8636] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.182826][ T8636] device bridge_slave_1 entered promiscuous mode [ 68.207193][ T8633] team0: Port device team_slave_1 added [ 68.228882][ T8636] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.241586][ T8636] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.278456][ T8636] team0: Port device team_slave_0 added [ 68.307716][ T8636] team0: Port device team_slave_1 added [ 68.382039][ T8633] device hsr_slave_0 entered promiscuous mode [ 68.449063][ T8633] device hsr_slave_1 entered promiscuous mode [ 68.518956][ T8633] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.526758][ T8633] Cannot create hsr debugfs directory [ 68.573398][ T8631] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.671577][ T8636] device hsr_slave_0 entered promiscuous mode [ 68.739178][ T8636] device hsr_slave_1 entered promiscuous mode [ 68.778851][ T8636] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.786418][ T8636] Cannot create hsr debugfs directory [ 68.821884][ T8631] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.862831][ T8631] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.913119][ T8631] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.032856][ T8641] chnl_net:caif_netlink_parms(): no params data found [ 69.170827][ T8641] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.177964][ T8641] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.186295][ T8641] device bridge_slave_0 entered promiscuous mode [ 69.197065][ T8642] chnl_net:caif_netlink_parms(): no params data found [ 69.243485][ T8641] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.250927][ T8641] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.258470][ T8641] device bridge_slave_1 entered promiscuous mode [ 69.266437][ T8636] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 69.330705][ T8644] chnl_net:caif_netlink_parms(): no params data found [ 69.339831][ T8633] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 69.401233][ T8633] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 69.464104][ T8636] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 69.516145][ T8636] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 69.576157][ T8633] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 69.624435][ T8633] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 69.680404][ T8636] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.711071][ T8642] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.718153][ T8642] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.726402][ T8642] device bridge_slave_0 entered promiscuous mode [ 69.737788][ T8631] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.746330][ T8641] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.776909][ T8642] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.784550][ T8642] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.793358][ T8642] device bridge_slave_1 entered promiscuous mode [ 69.804571][ T8641] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.822909][ T8644] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.830436][ T8644] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.838305][ T8644] device bridge_slave_0 entered promiscuous mode [ 69.858197][ T8642] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.878942][ T8644] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.886656][ T8644] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.896334][ T8644] device bridge_slave_1 entered promiscuous mode [ 69.910671][ T8642] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.931105][ T2785] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.939708][ T2785] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.952218][ T8631] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.967174][ T8641] team0: Port device team_slave_0 added [ 69.979174][ T8641] team0: Port device team_slave_1 added [ 69.996497][ T8644] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.028545][ T8644] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.054074][ T8642] team0: Port device team_slave_0 added [ 70.074805][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.083433][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.097069][ T2877] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.104330][ T2877] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.113794][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.122770][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.131165][ T2877] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.138223][ T2877] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.145896][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.158640][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.169800][ T8644] team0: Port device team_slave_0 added [ 70.178120][ T8644] team0: Port device team_slave_1 added [ 70.186915][ T8642] team0: Port device team_slave_1 added [ 70.242590][ T8641] device hsr_slave_0 entered promiscuous mode [ 70.299931][ T8641] device hsr_slave_1 entered promiscuous mode [ 70.338958][ T8641] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.346646][ T8641] Cannot create hsr debugfs directory [ 70.366482][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.375662][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.385653][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.395900][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.480690][ T8644] device hsr_slave_0 entered promiscuous mode [ 70.532008][ T8644] device hsr_slave_1 entered promiscuous mode [ 70.598890][ T8644] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.598923][ T8644] Cannot create hsr debugfs directory [ 70.627203][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.636433][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.645704][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.658017][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.704823][ T8636] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.730944][ T8642] device hsr_slave_0 entered promiscuous mode [ 70.769140][ T8642] device hsr_slave_1 entered promiscuous mode [ 70.829281][ T8642] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.836880][ T8642] Cannot create hsr debugfs directory [ 70.846998][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.859188][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.897659][ T8631] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.949922][ T2785] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.958588][ T2785] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.971631][ T8636] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.999537][ T8633] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.006720][ T8644] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 71.054898][ T8641] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 71.103170][ T8641] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 71.161113][ T8641] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 71.212890][ T8644] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 71.274086][ T8644] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 71.320193][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.327669][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.347563][ T8641] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 71.394488][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.403222][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.412141][ T2672] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.419245][ T2672] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.426863][ T8644] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 71.490458][ T8631] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.513696][ T8633] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.522113][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.530510][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.540248][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.549042][ T2786] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.556097][ T2786] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.564251][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.572905][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.581324][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.634126][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.643265][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.654254][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.663261][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.671806][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.680443][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.690146][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.699728][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.744282][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.754216][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.764286][ T2880] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.771558][ T2880] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.780186][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.788283][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.796593][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.804915][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.813847][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.822069][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.830506][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.860386][ T8642] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 71.926715][ T8631] device veth0_vlan entered promiscuous mode [ 71.934714][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.953545][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.962059][ T2786] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.969146][ T2786] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.976926][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.999826][ T8642] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 72.079982][ T8636] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.092731][ T8636] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.101169][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.111713][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.120188][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.128996][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.137729][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.146706][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.165443][ T8644] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.172492][ T8642] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 72.203978][ T8631] device veth1_vlan entered promiscuous mode [ 72.213921][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.222860][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.232917][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.251684][ T8642] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 72.309700][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.317843][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.330929][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.339806][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.348343][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.357805][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.367209][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.375834][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.383963][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.393719][ T8644] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.404592][ T8641] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.416098][ T8633] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.461296][ T8636] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.470808][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.480716][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.491924][ T2880] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.499293][ T2880] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.507644][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.517872][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.526510][ T2880] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.533613][ T2880] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.541334][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.550437][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.558207][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.566820][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.590632][ T8641] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.617123][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.625901][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.634124][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.644041][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.653825][ T2877] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.679153][ T2877] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.686246][ T2877] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.722858][ T8636] device veth0_vlan entered promiscuous mode [ 72.745760][ T8636] device veth1_vlan entered promiscuous mode [ 177.688712][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 177.695596][ C0] rcu: 0-...!: (1 GPs behind) idle=57e/1/0x4000000000000002 softirq=13234/13242 fqs=37 [ 177.706083][ C0] (t=10500 jiffies g=7325 q=290) [ 177.711133][ C0] rcu: rcu_preempt kthread starved for 10421 jiffies! g7325 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 177.722413][ C0] rcu: RCU grace-period kthread stack dump: [ 177.728325][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 177.737110][ C0] Call Trace: [ 177.740439][ C0] __schedule+0x9a0/0xcc0 [ 177.744927][ C0] schedule+0x181/0x210 [ 177.749084][ C0] schedule_timeout+0x14f/0x240 [ 177.754642][ C0] ? run_local_timers+0x120/0x120 [ 177.759671][ C0] rcu_gp_kthread+0xed8/0x1770 [ 177.764489][ C0] kthread+0x332/0x350 [ 177.768557][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 177.773677][ C0] ? kthread_blkcg+0xe0/0xe0 [ 177.778640][ C0] ret_from_fork+0x24/0x30 [ 177.783098][ C0] NMI backtrace for cpu 0 [ 177.787447][ C0] CPU: 0 PID: 31 Comm: kworker/u4:2 Not tainted 5.5.0-rc5-syzkaller #0 [ 177.795819][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.806444][ C0] Workqueue: 0x0 (bat_events) [ 177.811212][ C0] Call Trace: [ 177.814644][ C0] [ 177.817593][ C0] dump_stack+0x1fb/0x318 [ 177.821958][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 177.827071][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 177.833557][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 177.839624][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 177.845944][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 177.852023][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 177.857153][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 177.862351][ C0] ? trace_hardirqs_off+0x74/0x80 [ 177.867474][ C0] update_process_times+0x12d/0x180 [ 177.872662][ C0] tick_sched_timer+0x263/0x420 [ 177.877843][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 177.883435][ C0] __hrtimer_run_queues+0x403/0x840 [ 177.889112][ C0] hrtimer_interrupt+0x38c/0xda0 [ 177.894101][ C0] ? debug_smp_processor_id+0x9/0x20 [ 177.899400][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 177.905254][ C0] apic_timer_interrupt+0xf/0x20 [ 177.910196][ C0] [ 177.913205][ C0] RIP: 0010:free_thread_stack+0x11f/0x590 [ 177.919612][ C0] Code: 3e e8 45 73 ee 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 3c 2c 2e 00 48 89 df 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 [ 177.939241][ C0] RSP: 0018:ffffc90000e67c30 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 177.947667][ C0] RAX: 1ffff1101293d5b1 RBX: ffffea000267fe40 RCX: ffff8880a94ba1c0 [ 177.955630][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000267fe40 [ 177.963595][ C0] RBP: ffffc90000e67c68 R08: 000000000003a728 R09: ffffed1012c62281 [ 177.971556][ C0] R10: ffffed1012c62281 R11: 0000000000000000 R12: ffff8880979bb7a0 [ 177.979866][ C0] R13: dffffc0000000000 R14: 1ffff11012f376f4 R15: ffff8880963113f8 [ 177.987851][ C0] put_task_stack+0xa3/0x130 [ 177.992449][ C0] finish_task_switch+0x3f1/0x550 [ 177.997477][ C0] __schedule+0x9a8/0xcc0 [ 178.001804][ C0] schedule+0x181/0x210 [ 178.005948][ C0] worker_thread+0x10d6/0x1630 [ 178.010723][ C0] kthread+0x332/0x350 [ 178.014779][ C0] ? rcu_lock_release+0x30/0x30 [ 178.019619][ C0] ? kthread_blkcg+0xe0/0xe0 [ 178.024197][ C0] ret_from_fork+0x24/0x30