[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.907468][ T27] audit: type=1800 audit(1578478583.929:25): 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 [ 53.927626][ T27] audit: type=1800 audit(1578478583.929:26): 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 [ 53.987658][ T27] audit: type=1800 audit(1578478583.929:27): 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 '10.128.0.219' (ECDSA) to the list of known hosts. 2020/01/08 10:16:35 fuzzer started 2020/01/08 10:16:37 dialing manager at 10.128.0.26:35703 2020/01/08 10:16:37 syscalls: 2824 2020/01/08 10:16:37 code coverage: enabled 2020/01/08 10:16:37 comparison tracing: enabled 2020/01/08 10:16:37 extra coverage: enabled 2020/01/08 10:16:37 setuid sandbox: enabled 2020/01/08 10:16:37 namespace sandbox: enabled 2020/01/08 10:16:37 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 10:16:37 fault injection: enabled 2020/01/08 10:16:37 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 10:16:37 net packet injection: enabled 2020/01/08 10:16:37 net device setup: enabled 2020/01/08 10:16:37 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 10:16:37 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:16:38 executing program 0: r0 = socket$inet6(0xa, 0x80003, 0x20) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") r1 = socket$inet6(0xa, 0x3, 0x2f) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x0, 0x0, @local, 0x6}, 0x1c) sendto$inet6(r1, &(0x7f0000000000)="5fd1880b", 0xe4, 0x20000140, 0x0, 0x0) 10:16:38 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 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(&(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) connect$l2tp(0xffffffffffffffff, &(0x7f0000000180), 0x2e) socket$l2tp(0x18, 0x1, 0x1) socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)) r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0xc0045878, &(0x7f0000000000)={'\x00', 0x10000803}) ioctl$TUNSETLINK(r0, 0x400454cd, 0x308) setsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000140)='veth0_to_team\x00', 0x10) io_setup(0x8, &(0x7f0000000280)=0x0) io_submit(r1, 0x200000000000027d, &(0x7f00000005c0)=[&(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x35b}, &(0x7f0000000280)={0x0, 0x0, 0x3000000, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0xfffffffffffffdf8}]) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1000, &(0x7f0000fff000/0x1000)=nil}) dup3(0xffffffffffffffff, r3, 0x0) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r5, 0x4020ae46, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1000, &(0x7f0000fff000/0x1000)=nil}) r6 = ioctl$KVM_CREATE_VCPU(r5, 0xae41, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) dup3(r4, r5, 0x0) dup2(0xffffffffffffffff, r6) r7 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r8 = ioctl$KVM_CREATE_VM(r7, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r8, 0x4020ae46, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1000, &(0x7f0000fff000/0x1000)=nil}) r9 = ioctl$KVM_CREATE_VCPU(r8, 0xae41, 0x0) ioctl$KVM_RUN(r9, 0xae80, 0x0) r10 = dup3(r7, r8, 0x0) dup2(r10, r9) syz_open_dev$mouse(&(0x7f00000004c0)='/dev/input/mouse#\x00', 0x230, 0x75afc3853f857041) r11 = openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) r12 = ioctl$KVM_CREATE_VM(r11, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r12, 0x4020ae46, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1000, &(0x7f0000fff000/0x1000)=nil}) r13 = ioctl$KVM_CREATE_VCPU(r12, 0xae41, 0x0) ioctl$KVM_RUN(r13, 0xae80, 0x0) r14 = dup3(r11, r12, 0x0) dup2(r14, r13) r15 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r16 = ioctl$KVM_CREATE_VM(r15, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r16, 0x4020ae46, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1000, &(0x7f0000fff000/0x1000)=nil}) r17 = ioctl$KVM_CREATE_VCPU(r16, 0xae41, 0x0) ioctl$KVM_RUN(r17, 0xae80, 0x0) openat$pfkey(0xffffffffffffff9c, &(0x7f00000007c0)='/proc/self/net/pfkey\x00', 0x513000, 0x0) syzkaller login: [ 68.668238][ T8640] IPVS: ftp: loaded support on port[0] = 21 [ 68.832490][ T8640] chnl_net:caif_netlink_parms(): no params data found [ 68.876814][ T8640] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.886115][ T8640] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.894366][ T8640] device bridge_slave_0 entered promiscuous mode [ 68.905109][ T8640] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.912612][ T8640] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.920776][ T8640] device bridge_slave_1 entered promiscuous mode 10:16:38 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') mknod$loop(&(0x7f0000000080)='./file0\x00', 0x800, 0xffffffffffffffff) r0 = open(&(0x7f0000000080)='./file0\x00', 0x40002, 0x0) write$FUSE_ENTRY(r0, &(0x7f0000000380)={0x90}, 0x90) [ 68.942510][ T8643] IPVS: ftp: loaded support on port[0] = 21 [ 68.954932][ T8640] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.966257][ T8640] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.993504][ T8640] team0: Port device team_slave_0 added [ 69.014605][ T8640] team0: Port device team_slave_1 added [ 69.103737][ T8640] device hsr_slave_0 entered promiscuous mode 10:16:39 executing program 3: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fc9000)='/dev/sequencer2\x00', 0x6, 0x0) ioctl$KDGKBLED(r0, 0x4004510d, 0x0) [ 69.191431][ T8640] device hsr_slave_1 entered promiscuous mode [ 69.272262][ T8646] IPVS: ftp: loaded support on port[0] = 21 [ 69.390243][ T8643] chnl_net:caif_netlink_parms(): no params data found [ 69.399008][ T8649] IPVS: ftp: loaded support on port[0] = 21 10:16:39 executing program 4: unshare(0x2000400) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cpuacct.usage_percpu_sys\x00', 0x26e1, 0x0) ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f0000000040)={0x10000}) [ 69.475792][ T8640] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.542436][ T8640] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.611285][ T8640] netdevsim netdevsim0 netdevsim2: renamed from eth2 10:16:39 executing program 5: r0 = syz_open_dev$video4linux(&(0x7f0000000a80)='/dev/v4l-subdev#\x00', 0x0, 0x0) close(r0) [ 69.653906][ T8640] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.713668][ T8643] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.721806][ T8643] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.729704][ T8643] device bridge_slave_0 entered promiscuous mode [ 69.738161][ T8643] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.745323][ T8643] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.753028][ T8643] device bridge_slave_1 entered promiscuous mode [ 69.793828][ T8651] IPVS: ftp: loaded support on port[0] = 21 [ 69.832401][ T8643] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.853528][ T8640] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.860798][ T8640] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.868408][ T8640] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.875768][ T8640] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.889146][ T2769] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.897264][ T2769] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.907782][ T8643] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.966774][ T8653] IPVS: ftp: loaded support on port[0] = 21 [ 69.983777][ T8643] team0: Port device team_slave_0 added [ 69.997586][ T8643] team0: Port device team_slave_1 added [ 70.032933][ T8646] chnl_net:caif_netlink_parms(): no params data found [ 70.081347][ T8646] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.088769][ T8646] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.098247][ T8646] device bridge_slave_0 entered promiscuous mode [ 70.106365][ T8646] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.113811][ T8646] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.121901][ T8646] device bridge_slave_1 entered promiscuous mode [ 70.162316][ T8643] device hsr_slave_0 entered promiscuous mode [ 70.210445][ T8643] device hsr_slave_1 entered promiscuous mode [ 70.280219][ T8643] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.280353][ T8643] Cannot create hsr debugfs directory [ 70.312612][ T8646] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.325282][ T8646] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.343616][ T8649] chnl_net:caif_netlink_parms(): no params data found [ 70.369567][ T8646] team0: Port device team_slave_0 added [ 70.378688][ T8646] team0: Port device team_slave_1 added [ 70.452725][ T8646] device hsr_slave_0 entered promiscuous mode [ 70.490941][ T8646] device hsr_slave_1 entered promiscuous mode [ 70.530219][ T8646] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.537911][ T8646] Cannot create hsr debugfs directory [ 70.658087][ T8651] chnl_net:caif_netlink_parms(): no params data found [ 70.691376][ T8640] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.698330][ T8649] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.706166][ T8649] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.715917][ T8649] device bridge_slave_0 entered promiscuous mode [ 70.735948][ T8653] chnl_net:caif_netlink_parms(): no params data found [ 70.754126][ T8649] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.761569][ T8649] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.769223][ T8649] device bridge_slave_1 entered promiscuous mode [ 70.796120][ T8640] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.825572][ T2769] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.834157][ T2769] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.844510][ T8649] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.862770][ T8649] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.902505][ T8651] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.909649][ T8651] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.917881][ T8651] device bridge_slave_0 entered promiscuous mode [ 70.931754][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.944158][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.953639][ T3174] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.960740][ T3174] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.969593][ T8643] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 71.025957][ T8643] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 71.072478][ T8653] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.079753][ T8653] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.088025][ T8653] device bridge_slave_0 entered promiscuous mode [ 71.096079][ T8651] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.103324][ T8651] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.111966][ T8651] device bridge_slave_1 entered promiscuous mode [ 71.130220][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.139629][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.148221][ T2699] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.155285][ T2699] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.162959][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.172954][ T8649] team0: Port device team_slave_0 added [ 71.179723][ T8643] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 71.231670][ T8653] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.238769][ T8653] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.248890][ T8653] device bridge_slave_1 entered promiscuous mode [ 71.259763][ T8646] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 71.306668][ T8649] team0: Port device team_slave_1 added [ 71.312484][ T8646] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 71.364968][ T8646] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 71.422309][ T8643] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 71.474750][ T8651] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.497007][ T8646] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 71.557940][ T8653] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.569931][ T2691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.579757][ T8651] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.632683][ T8649] device hsr_slave_0 entered promiscuous mode [ 71.670490][ T8649] device hsr_slave_1 entered promiscuous mode [ 71.730132][ T8649] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.737724][ T8649] Cannot create hsr debugfs directory [ 71.761149][ T8653] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.801470][ T8651] team0: Port device team_slave_0 added [ 71.816698][ T8653] team0: Port device team_slave_0 added [ 71.836873][ T2769] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.845722][ T2769] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.854206][ T2769] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.862639][ T2769] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.871008][ T2769] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.881055][ T8651] team0: Port device team_slave_1 added [ 71.893605][ T8653] team0: Port device team_slave_1 added [ 71.962913][ T8651] device hsr_slave_0 entered promiscuous mode [ 72.010349][ T8651] device hsr_slave_1 entered promiscuous mode [ 72.060246][ T8651] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.067866][ T8651] Cannot create hsr debugfs directory [ 72.096246][ T8640] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.107813][ T8640] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.121857][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.131490][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.143034][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.151890][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.202993][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.215417][ T8649] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 72.304141][ T8653] device hsr_slave_0 entered promiscuous mode [ 72.370349][ T8653] device hsr_slave_1 entered promiscuous mode [ 72.430262][ T8653] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.437859][ T8653] Cannot create hsr debugfs directory [ 72.460433][ T8649] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 72.484423][ T8649] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 72.575042][ T8649] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 72.674834][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.683086][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.690970][ T8651] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 72.748906][ T8640] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.759661][ T8651] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 72.783786][ T8651] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 72.833199][ T8651] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 72.882720][ T8643] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.934927][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.944053][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.952266][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.961082][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.976887][ T8653] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 73.013282][ T8646] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.021665][ T8643] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.050478][ T8653] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 73.103529][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.113588][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.123981][ T8640] device veth0_vlan entered promiscuous mode [ 73.136318][ T8653] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 73.201720][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.209833][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.217888][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.227890][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.236687][ T2771] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.243788][ T2771] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.251660][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.260270][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.268665][ T2771] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.275758][ T2771] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.283436][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.295776][ T8640] device veth1_vlan entered promiscuous mode [ 73.308615][ T8653] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 73.348629][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.357786][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.365647][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.373495][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.384974][ T8649] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.412608][ T8646] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.428605][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.439277][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.447898][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.456531][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.475249][ T8643] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.485691][ T8643] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.504988][ T8649] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.515476][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.523937][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.535325][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.543765][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.553098][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.561481][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.568998][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.578036][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.602592][ T2769] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.612110][ T2769] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.620545][ T2769] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.627613][ T2769] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.635444][ T2769] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.674078][ T8651] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.707758][ T8643] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.758840][ T8643] device veth0_vlan entered promiscuous mode [ 73.777671][ T8643] device veth1_vlan entered promiscuous mode [ 178.679941][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 178.686842][ C0] rcu: 0-...!: (10499 ticks this GP) idle=432/1/0x4000000000000002 softirq=13178/13178 fqs=5 [ 178.697902][ C0] (t=10501 jiffies g=6921 q=328) [ 178.702928][ C0] rcu: rcu_preempt kthread starved for 10492 jiffies! g6921 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 178.714025][ C0] rcu: RCU grace-period kthread stack dump: [ 178.719905][ C0] rcu_preempt R running task 28992 10 2 0x80004000 [ 178.727970][ C0] Call Trace: [ 178.731255][ C0] __schedule+0x9a0/0xcc0 [ 178.735613][ C0] schedule+0x181/0x210 [ 178.739757][ C0] schedule_timeout+0x14f/0x240 [ 178.744595][ C0] ? run_local_timers+0x120/0x120 [ 178.749617][ C0] rcu_gp_kthread+0xed8/0x1770 [ 178.754378][ C0] kthread+0x332/0x350 [ 178.758434][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 178.763532][ C0] ? kthread_blkcg+0xe0/0xe0 [ 178.768111][ C0] ret_from_fork+0x24/0x30 [ 178.772526][ C0] NMI backtrace for cpu 0 [ 178.776930][ C0] CPU: 0 PID: 8661 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 178.786361][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.796413][ C0] Call Trace: [ 178.799695][ C0] [ 178.802547][ C0] dump_stack+0x1fb/0x318 [ 178.806980][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 178.811823][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 178.817969][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 178.824027][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 178.829999][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 178.835895][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 178.841018][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 178.846233][ C0] ? trace_hardirqs_off+0x74/0x80 [ 178.851367][ C0] update_process_times+0x12d/0x180 [ 178.856577][ C0] tick_sched_timer+0x263/0x420 [ 178.861422][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 178.867048][ C0] __hrtimer_run_queues+0x403/0x840 [ 178.872256][ C0] hrtimer_interrupt+0x38c/0xda0 [ 178.877202][ C0] ? debug_smp_processor_id+0x9/0x20 [ 178.882482][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 178.888023][ C0] apic_timer_interrupt+0xf/0x20 [ 178.892951][ C0] [ 178.895879][ C0] RIP: 0010:free_thread_stack+0x182/0x590 [ 178.901583][ C0] Code: 94 6a 00 48 8b 3b be fc ff ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 39 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 <48> c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 1b 94 6a 00 48 8b 1b [ 178.921190][ C0] RSP: 0018:ffffc90001f87e40 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 178.929683][ C0] RAX: ffff8880a9627d08 RBX: ffff8880a9627d08 RCX: ffff88809227c080 [ 178.937660][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00024565c0 [ 178.945624][ C0] RBP: ffffc90001f87e78 R08: 000000000003a728 R09: ffffed1012543b39 [ 178.954104][ C0] R10: ffffed1012543b39 R11: 0000000000000000 R12: ffff8880a9627da0 [ 178.962722][ C0] R13: dffffc0000000000 R14: 1ffff110152c4fb4 R15: ffff888092a1d9b8 [ 178.970720][ C0] put_task_stack+0xa3/0x130 [ 178.975303][ C0] finish_task_switch+0x3f1/0x550 [ 178.980325][ C0] schedule_tail+0x20/0x1a0 [ 178.984831][ C0] ret_from_fork+0x8/0x30 [ 178.989149][ C0] RIP: 0033:0x45d919 [ 178.993130][ C0] Code: ff 48 85 f6 0f 84 d7 8c fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c ae 8c fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 [ 179.012725][ C0] RSP: 002b:00007fc72317edb0 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 179.021657][ C0] RAX: 0000000000000000 RBX: 00007fc72317f700 RCX: 000000000045d919 [ 179.030322][ C0] RDX: 00007fc72317f9d0 RSI: 00007fc72317edb0 RDI: 00000000003d0f00 [ 179.038321][ C0] RBP: 00007fff28f8d1d0 R08: 00007fc72317f700 R09: 00007fc72317f700 [ 179.046321][ C0] R10: 00007fc72317f9d0 R11: 0000000000000202 R12: 0000000000000000 [ 179.054289][ C0] R13: 00007fff28f8d06f R14: 00007fc72317f9c0 R15: 000000000075bfd4