[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 57.539252][ T26] audit: type=1800 audit(1578449935.084:25): pid=8614 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 57.558650][ T26] audit: type=1800 audit(1578449935.084:26): pid=8614 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 57.579343][ T26] audit: type=1800 audit(1578449935.084:27): pid=8614 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 '10.128.0.34' (ECDSA) to the list of known hosts. 2020/01/08 02:19:06 fuzzer started 2020/01/08 02:19:08 dialing manager at 10.128.0.26:35703 2020/01/08 02:19:08 syscalls: 2824 2020/01/08 02:19:08 code coverage: enabled 2020/01/08 02:19:08 comparison tracing: enabled 2020/01/08 02:19:08 extra coverage: enabled 2020/01/08 02:19:08 setuid sandbox: enabled 2020/01/08 02:19:08 namespace sandbox: enabled 2020/01/08 02:19:08 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 02:19:08 fault injection: enabled 2020/01/08 02:19:08 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 02:19:08 net packet injection: enabled 2020/01/08 02:19:08 net device setup: enabled 2020/01/08 02:19:08 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 02:19:08 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:19:09 executing program 0: r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x10, 0x4, &(0x7f0000000000)=@framed={{}, [@call={0x61, 0x11, 0x24}]}, &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f0000000200)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) 02:19:10 executing program 1: mknod(&(0x7f0000000000)='./file0\x00', 0x0, 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000100)='/dev/fuse\x00', 0x2, 0x0) mount$fuse(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000940)='fuse\x00', 0x0, &(0x7f0000000140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id'}}) write$FUSE_NOTIFY_STORE(r0, &(0x7f0000000000)={0x28, 0x2}, 0x28) syzkaller login: [ 72.560616][ T8783] IPVS: ftp: loaded support on port[0] = 21 02:19:10 executing program 2: r0 = getpid() r1 = gettid() r2 = creat(&(0x7f0000000280)='./file0\x00', 0x1) prctl$PR_SET_PTRACER(0x59616d61, r0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) close(r2) clone(0x2000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f0000000180)='./file0\x00', 0x0, 0x0) ptrace$setopts(0x4206, r1, 0x0, 0x0) [ 72.727700][ T8783] chnl_net:caif_netlink_parms(): no params data found [ 72.751803][ T8786] IPVS: ftp: loaded support on port[0] = 21 [ 72.868127][ T8783] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.876015][ T8783] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.893007][ T8783] device bridge_slave_0 entered promiscuous mode [ 72.912842][ T8783] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.920032][ T8783] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.928344][ T8783] device bridge_slave_1 entered promiscuous mode [ 72.929832][ T8788] IPVS: ftp: loaded support on port[0] = 21 [ 72.971232][ T8783] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.985841][ T8783] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 02:19:10 executing program 3: r0 = syz_open_dev$usbfs(&(0x7f0000000040)='/dev/bus/usb/00#/00#\x00', 0x400000000040006f, 0x8041) ioctl$USBDEVFS_CONTROL(r0, 0xc0185500, &(0x7f0000000080)={0xa0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0}) [ 73.062819][ T8783] team0: Port device team_slave_0 added [ 73.073450][ T8783] team0: Port device team_slave_1 added [ 73.082786][ T8786] chnl_net:caif_netlink_parms(): no params data found [ 73.185458][ T8783] device hsr_slave_0 entered promiscuous mode [ 73.222405][ T8783] device hsr_slave_1 entered promiscuous mode 02:19:10 executing program 4: r0 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0xd, 0x4, &(0x7f0000000000)=@framed={{}, [@call={0x63, 0x11, 0x4}]}, &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f0000000200)=""/4096, 0x0, 0x4, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 73.343103][ T8791] IPVS: ftp: loaded support on port[0] = 21 [ 73.417511][ T8786] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.424888][ T8786] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.442853][ T8786] device bridge_slave_0 entered promiscuous mode [ 73.486824][ T8786] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.497452][ T8786] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.507585][ T8786] device bridge_slave_1 entered promiscuous mode [ 73.524846][ T8788] chnl_net:caif_netlink_parms(): no params data found [ 73.534003][ T8794] IPVS: ftp: loaded support on port[0] = 21 02:19:11 executing program 5: r0 = syz_open_dev$radio(&(0x7f0000000080)='/dev/radio#\x00', 0x0, 0x2) pwritev(r0, &(0x7f0000001680)=[{&(0x7f0000000000)="d8", 0x1}], 0x1, 0x0) [ 73.617872][ T8786] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.671166][ T8786] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.696963][ T8783] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.767073][ T8783] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.825337][ T8788] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.832649][ T8788] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.840345][ T8788] device bridge_slave_0 entered promiscuous mode [ 73.857715][ T8796] IPVS: ftp: loaded support on port[0] = 21 [ 73.882531][ T8783] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.927733][ T8786] team0: Port device team_slave_0 added [ 73.933852][ T8788] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.940930][ T8788] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.949449][ T8788] device bridge_slave_1 entered promiscuous mode [ 73.976236][ T8783] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 74.035182][ T8786] team0: Port device team_slave_1 added [ 74.048508][ T8788] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.060238][ T8788] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.084838][ T8791] chnl_net:caif_netlink_parms(): no params data found [ 74.107941][ T8788] team0: Port device team_slave_0 added [ 74.116867][ T8788] team0: Port device team_slave_1 added [ 74.195394][ T8786] device hsr_slave_0 entered promiscuous mode [ 74.233440][ T8786] device hsr_slave_1 entered promiscuous mode [ 74.272381][ T8786] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.280472][ T8786] Cannot create hsr debugfs directory [ 74.374964][ T8788] device hsr_slave_0 entered promiscuous mode [ 74.412493][ T8788] device hsr_slave_1 entered promiscuous mode [ 74.452195][ T8788] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.459791][ T8788] Cannot create hsr debugfs directory [ 74.486057][ T8791] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.495002][ T8791] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.503161][ T8791] device bridge_slave_0 entered promiscuous mode [ 74.550731][ T8791] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.559991][ T8791] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.567805][ T8791] device bridge_slave_1 entered promiscuous mode [ 74.611367][ T8794] chnl_net:caif_netlink_parms(): no params data found [ 74.637302][ T8791] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.670168][ T8791] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.731419][ T8791] team0: Port device team_slave_0 added [ 74.741779][ T8791] team0: Port device team_slave_1 added [ 74.777504][ T8786] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 74.817540][ T8786] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 74.914494][ T8788] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 74.968344][ T8786] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 75.003838][ T8796] chnl_net:caif_netlink_parms(): no params data found [ 75.074928][ T8791] device hsr_slave_0 entered promiscuous mode [ 75.112466][ T8791] device hsr_slave_1 entered promiscuous mode [ 75.152199][ T8791] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 75.159860][ T8791] Cannot create hsr debugfs directory [ 75.165719][ T8794] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.173056][ T8794] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.180621][ T8794] device bridge_slave_0 entered promiscuous mode [ 75.189133][ T8794] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.196294][ T8794] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.204792][ T8794] device bridge_slave_1 entered promiscuous mode [ 75.211544][ T8788] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 75.265686][ T8786] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 75.341005][ T8788] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 75.401933][ T8794] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.414411][ T8788] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 75.486191][ T8794] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.512943][ T8783] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.536450][ T8783] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.545736][ T8794] team0: Port device team_slave_0 added [ 75.564524][ T8796] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.571700][ T8796] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.579890][ T8796] device bridge_slave_0 entered promiscuous mode [ 75.590251][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.599097][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.623892][ T8796] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.630972][ T8796] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.642680][ T8796] device bridge_slave_1 entered promiscuous mode [ 75.650902][ T8794] team0: Port device team_slave_1 added [ 75.660958][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.676691][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.685549][ T2933] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.693038][ T2933] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.701240][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.710254][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.718646][ T2933] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.726691][ T2933] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.734424][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.773923][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.783416][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.791879][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.800852][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.810141][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.848304][ T8791] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 75.934728][ T8794] device hsr_slave_0 entered promiscuous mode [ 75.972969][ T8794] device hsr_slave_1 entered promiscuous mode [ 76.012231][ T8794] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 76.019813][ T8794] Cannot create hsr debugfs directory [ 76.025815][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.036017][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.046207][ T8796] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.058297][ T8796] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.083672][ T8791] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 76.133498][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.141825][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.164138][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.173403][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.181560][ T8791] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 76.225093][ T8791] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 76.306415][ T8796] team0: Port device team_slave_0 added [ 76.316119][ T8783] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.335845][ T8788] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.344112][ T8796] team0: Port device team_slave_1 added [ 76.415556][ T8796] device hsr_slave_0 entered promiscuous mode [ 76.482847][ T8796] device hsr_slave_1 entered promiscuous mode [ 76.522198][ T8796] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 76.529824][ T8796] Cannot create hsr debugfs directory [ 76.554153][ T8786] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.564928][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.572805][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.605514][ T8788] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.630373][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.638930][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.647113][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.655174][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.665075][ T8786] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.677994][ T8783] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.721277][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.730069][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.738959][ T2935] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.746059][ T2935] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.754245][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.762915][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.771344][ T2935] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.778681][ T2935] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.789007][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.797471][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.825196][ T8794] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 76.871158][ T8794] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 76.935523][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.944716][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.953601][ T2935] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.960765][ T2935] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.968451][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.977582][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.986479][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.995194][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.004241][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.012967][ T2935] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.020118][ T2935] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.027972][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.037749][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.059172][ T8791] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.073253][ T8794] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 77.123915][ T8794] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 77.163814][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.175722][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 77.184362][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.193144][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 77.202138][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.210568][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.238660][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 77.249371][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.258414][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 77.266834][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 77.297054][ T8796] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 77.334313][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.342305][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 77.350059][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 77.358013][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 77.366428][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.378413][ T8788] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 77.392538][ T8788] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.410267][ T8786] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 77.422466][ T8786] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 77.441133][ T8783] device veth0_vlan entered promiscuous mode [ 77.451012][ T8796] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 77.483986][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 77.492694][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.501465][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 77.517215][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.525940][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 77.534372][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.543321][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 77.551600][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.560026][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.567757][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.577237][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.591349][ T8791] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.609835][ T8796] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 77.661251][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.670581][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.681627][ T2941] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.688736][ T2941] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.697581][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.706537][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.715030][ T2941] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.722134][ T2941] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.729732][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.737691][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.747845][ T8783] device veth1_vlan entered promiscuous mode [ 77.758357][ T8796] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 77.829096][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 77.837860][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.846317][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.855163][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.877202][ T8786] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.895798][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.905244][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.914908][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 77.924318][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.934735][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 77.943995][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.962587][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 77.970617][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.993177][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 78.001714][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.010200][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 78.019343][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.035514][ T8788] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.049778][ T8791] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.061557][ T8794] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.087337][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 78.097302][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.136918][ T8794] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.198786][ T8788] device veth0_vlan entered promiscuous mode [ 78.217589][ T8788] device veth1_vlan entered promiscuous mode [ 78.289190][ T8796] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.316588][ T8796] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.376591][ T8796] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 78.391488][ T8796] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 183.232005][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 183.238912][ C1] rcu: 1-...!: (1 GPs behind) idle=c16/1/0x4000000000000002 softirq=14401/14402 fqs=9 [ 183.248818][ C1] (t=10501 jiffies g=7357 q=596) [ 183.253848][ C1] rcu: rcu_preempt kthread starved for 10483 jiffies! g7357 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 183.265103][ C1] rcu: RCU grace-period kthread stack dump: [ 183.270980][ C1] rcu_preempt I28984 10 2 0x80004000 [ 183.277308][ C1] Call Trace: [ 183.280595][ C1] __schedule+0x9a0/0xcc0 [ 183.284926][ C1] schedule+0x181/0x210 [ 183.289140][ C1] schedule_timeout+0x14f/0x240 [ 183.293985][ C1] ? run_local_timers+0x120/0x120 [ 183.299017][ C1] rcu_gp_kthread+0xed8/0x1770 [ 183.303788][ C1] kthread+0x332/0x350 [ 183.308282][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 183.313399][ C1] ? kthread_blkcg+0xe0/0xe0 [ 183.318018][ C1] ret_from_fork+0x24/0x30 [ 183.322470][ C1] NMI backtrace for cpu 1 [ 183.326808][ C1] CPU: 1 PID: 8783 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 183.335391][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 183.345444][ C1] Call Trace: [ 183.348727][ C1] [ 183.351576][ C1] dump_stack+0x1fb/0x318 [ 183.355986][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 183.360826][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 183.367233][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 183.373292][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 183.379264][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 183.385145][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 183.390252][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 183.395447][ C1] ? trace_hardirqs_off+0x74/0x80 [ 183.400460][ C1] update_process_times+0x12d/0x180 [ 183.405653][ C1] tick_sched_timer+0x263/0x420 [ 183.410496][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 183.416030][ C1] __hrtimer_run_queues+0x403/0x840 [ 183.421230][ C1] hrtimer_interrupt+0x38c/0xda0 [ 183.426279][ C1] ? debug_smp_processor_id+0x9/0x20 [ 183.431555][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 183.437088][ C1] apic_timer_interrupt+0xf/0x20 [ 183.442006][ C1] [ 183.444935][ C1] RIP: 0010:__memcg_kmem_uncharge+0x38/0x1a0 [ 183.450900][ C1] Code: 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff df 4c 8d 77 38 4d 89 f5 49 c1 ed 03 41 80 7c 05 00 00 74 08 4c 89 f7 e8 48 07 fb ff <4d> 8b 3e b8 01 00 00 00 89 d9 d3 e0 4d 85 ff 0f 84 de 00 00 00 4c [ 183.470493][ C1] RSP: 0018:ffffc90001e37b90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 183.478892][ C1] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff88807d720580 [ 183.486850][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00025ee780 [ 183.494812][ C1] RBP: ffffc90001e37bc0 R08: 000000000003a728 R09: ffffed10127cb2a9 [ 183.502771][ C1] R10: ffffed10127cb2a9 R11: 0000000000000000 R12: ffffea00025ee780 [ 183.510729][ C1] R13: 1ffffd40004bdcf7 R14: ffffea00025ee7b8 R15: ffff888093e59538 [ 183.518713][ C1] ? free_thread_stack+0x124/0x590 [ 183.523816][ C1] free_thread_stack+0x12e/0x590 [ 183.528743][ C1] put_task_stack+0xa3/0x130 [ 183.533324][ C1] finish_task_switch+0x3f1/0x550 [ 183.538341][ C1] __schedule+0x9a8/0xcc0 [ 183.542669][ C1] schedule+0x181/0x210 [ 183.546814][ C1] do_nanosleep+0x1d0/0x6c0 [ 183.551318][ C1] hrtimer_nanosleep+0x3a6/0x5b0 [ 183.556249][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 183.562047][ C1] __x64_sys_nanosleep+0x186/0x1d0 [ 183.567264][ C1] do_syscall_64+0xf7/0x1c0 [ 183.571927][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 183.577827][ C1] RIP: 0033:0x4593f0 [ 183.581732][ C1] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 41 f5 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 [ 183.601451][ C1] RSP: 002b:00007ffedec89318 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 183.609880][ C1] RAX: ffffffffffffffda RBX: 000000000001312b RCX: 00000000004593f0 [ 183.617846][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffedec89320 [ 183.625827][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 00000000021dd940 [ 183.633811][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 183.641967][ C1] R13: 00007ffedec89370 R14: 000000000001310a R15: 00007ffedec89380