[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 49.511258][ T23] audit: type=1800 audit(1578475026.906:25): pid=8355 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 49.549386][ T23] audit: type=1800 audit(1578475026.906:26): pid=8355 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 49.589855][ T23] audit: type=1800 audit(1578475026.906:27): pid=8355 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.11' (ECDSA) to the list of known hosts. 2020/01/08 09:17:19 fuzzer started 2020/01/08 09:17:21 dialing manager at 10.128.0.26:35703 2020/01/08 09:17:21 syscalls: 2824 2020/01/08 09:17:21 code coverage: enabled 2020/01/08 09:17:21 comparison tracing: enabled 2020/01/08 09:17:21 extra coverage: enabled 2020/01/08 09:17:21 setuid sandbox: enabled 2020/01/08 09:17:21 namespace sandbox: enabled 2020/01/08 09:17:21 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 09:17:21 fault injection: enabled 2020/01/08 09:17:21 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 09:17:21 net packet injection: enabled 2020/01/08 09:17:21 net device setup: enabled 2020/01/08 09:17:21 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 09:17:21 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:17:22 executing program 0: mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='cgroup2\x00', 0x0, 0x0) r0 = open(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) r1 = openat$cgroup_subtree(r0, &(0x7f0000000340)='cgroup.subtree_control\x00', 0x2, 0x0) write$cgroup_subtree(r1, &(0x7f0000000280)=ANY=[@ANYBLOB="2d63707520ff92b2f197d86ad80547edb4cd282eaa6ef7ad6224d7b3ecb7b7a2436978ac3aad2814b44d3d3a4a9f842473a457206fcb95c665a50bd1a286b2445614306acda1963025e1dfa600a8713bc838b04a459a4600db8401f170d92ee34e1f04ea91df2bacb934a272caa68cb930f14608493b756c3d164ffa1f3c97a8728bf67e946ec1000000000000000035716ed0be9fb90437e907d4ee63c572a67fb888108744339e535a893509d12bb3d06a2e00"/189], 0x5) 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, 0x0, 0xffffffffffffffff, 0x0) write$cgroup_subtree(r1, &(0x7f00000000c0)={[{0x2b, 'cpu'}]}, 0x5) 09:17:22 executing program 1: r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vhost-vsock\x00', 0x2, 0x0) ioctl$VHOST_SET_FEATURES(r0, 0x4008af00, &(0x7f00000000c0)) syzkaller login: [ 65.355405][ T8522] IPVS: ftp: loaded support on port[0] = 21 [ 65.477875][ T8524] IPVS: ftp: loaded support on port[0] = 21 09:17:22 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000002740)=@ipv4_delroute={0x24, 0x19, 0x519, 0x0, 0x0, {0x2, 0x20, 0x0, 0x0, 0xff, 0x2, 0xff}, [@RTA_DST={0x8, 0x1, @dev}]}, 0x24}}, 0x0) [ 65.527584][ T8522] chnl_net:caif_netlink_parms(): no params data found [ 65.651768][ T8522] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.659551][ T8522] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.667493][ T8522] device bridge_slave_0 entered promiscuous mode [ 65.721697][ T8522] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.728762][ T8522] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.738773][ T8522] device bridge_slave_1 entered promiscuous mode [ 65.755745][ T8527] IPVS: ftp: loaded support on port[0] = 21 [ 65.771423][ T8524] chnl_net:caif_netlink_parms(): no params data found [ 65.807156][ T8522] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.825150][ T8522] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 09:17:23 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) prlimit64(0x0, 0x0, 0x0, 0x0) 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) openat$kvm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 65.876684][ T8522] team0: Port device team_slave_0 added [ 65.892101][ T8524] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.899282][ T8524] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.908098][ T8524] device bridge_slave_0 entered promiscuous mode [ 65.931602][ T8522] team0: Port device team_slave_1 added [ 65.937379][ T8524] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.953941][ T8524] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.980504][ T8524] device bridge_slave_1 entered promiscuous mode [ 66.017975][ T8524] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.052037][ T8524] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 09:17:23 executing program 4: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$video(&(0x7f0000000180)='/dev/video#\x00', 0x6, 0x0) ioctl$VIDIOC_S_EXT_CTRLS(r0, 0xc0205648, &(0x7f0000000000)={0x9d0000}) [ 66.123626][ T8522] device hsr_slave_0 entered promiscuous mode [ 66.169258][ T8522] device hsr_slave_1 entered promiscuous mode [ 66.323125][ T8524] team0: Port device team_slave_0 added [ 66.324893][ T8530] IPVS: ftp: loaded support on port[0] = 21 [ 66.338277][ T8532] IPVS: ftp: loaded support on port[0] = 21 [ 66.361501][ T8524] team0: Port device team_slave_1 added 09:17:23 executing program 5: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000080)={0x1, 0xef, 0x209e21, 0x100008000000001, 0x1}, 0x3c) r1 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000000)={r0, &(0x7f00000000c0), &(0x7f0000000180)}, 0x20) socketpair(0x0, 0x0, 0x0, &(0x7f00000000c0)) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000040)={r0, &(0x7f00000000c0), &(0x7f00000000c0)}, 0x20) [ 66.487416][ T8527] chnl_net:caif_netlink_parms(): no params data found [ 66.551500][ T8524] device hsr_slave_0 entered promiscuous mode [ 66.589527][ T8524] device hsr_slave_1 entered promiscuous mode [ 66.629134][ T8524] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.636930][ T8524] Cannot create hsr debugfs directory [ 66.692286][ T8535] IPVS: ftp: loaded support on port[0] = 21 [ 66.755294][ T8527] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.762914][ T8527] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.770636][ T8527] device bridge_slave_0 entered promiscuous mode [ 66.785633][ T8532] chnl_net:caif_netlink_parms(): no params data found [ 66.805487][ T8527] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.813371][ T8527] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.821672][ T8527] device bridge_slave_1 entered promiscuous mode [ 66.866436][ T8522] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.954609][ T8522] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.014315][ T8522] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.092354][ T8527] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.123324][ T8530] chnl_net:caif_netlink_parms(): no params data found [ 67.133012][ T8522] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.191459][ T8527] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.255512][ T8532] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.263246][ T8532] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.273849][ T8532] device bridge_slave_0 entered promiscuous mode [ 67.282079][ T8532] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.289357][ T8532] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.297008][ T8532] device bridge_slave_1 entered promiscuous mode [ 67.303911][ T8524] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.351039][ T8530] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.358110][ T8530] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.365900][ T8530] device bridge_slave_0 entered promiscuous mode [ 67.375357][ T8527] team0: Port device team_slave_0 added [ 67.383790][ T8527] team0: Port device team_slave_1 added [ 67.400864][ T8524] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.441915][ T8530] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.450009][ T8530] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.457569][ T8530] device bridge_slave_1 entered promiscuous mode [ 67.483605][ T8532] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.492817][ T8524] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.564406][ T8530] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.576203][ T8530] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.587701][ T8532] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.597615][ T8524] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.681326][ T8527] device hsr_slave_0 entered promiscuous mode [ 67.719277][ T8527] device hsr_slave_1 entered promiscuous mode [ 67.779064][ T8527] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.786637][ T8527] Cannot create hsr debugfs directory [ 67.835778][ T8530] team0: Port device team_slave_0 added [ 67.847352][ T8530] team0: Port device team_slave_1 added [ 67.866929][ T8535] chnl_net:caif_netlink_parms(): no params data found [ 67.885848][ T8532] team0: Port device team_slave_0 added [ 67.906710][ T8532] team0: Port device team_slave_1 added [ 67.972518][ T8530] device hsr_slave_0 entered promiscuous mode [ 68.009289][ T8530] device hsr_slave_1 entered promiscuous mode [ 68.049025][ T8530] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.056626][ T8530] Cannot create hsr debugfs directory [ 68.150785][ T8532] device hsr_slave_0 entered promiscuous mode [ 68.209358][ T8532] device hsr_slave_1 entered promiscuous mode [ 68.259098][ T8532] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.266823][ T8532] Cannot create hsr debugfs directory [ 68.272647][ T8535] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.279921][ T8535] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.287522][ T8535] device bridge_slave_0 entered promiscuous mode [ 68.314346][ T8535] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.322399][ T8535] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.330797][ T8535] device bridge_slave_1 entered promiscuous mode [ 68.359795][ T8527] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 68.405759][ T8527] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 68.478706][ T8527] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 68.544414][ T8527] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 68.608632][ T8535] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.643891][ T8535] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.659852][ T8522] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.670606][ T8524] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.700345][ T8535] team0: Port device team_slave_0 added [ 68.733372][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.742416][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.755847][ T8535] team0: Port device team_slave_1 added [ 68.762719][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.770945][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.782054][ T8530] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.862320][ T8530] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.918231][ T8522] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.929853][ T8524] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.940795][ T8530] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.005735][ T8530] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.059026][ T8532] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.142485][ T8535] device hsr_slave_0 entered promiscuous mode [ 69.180116][ T8535] device hsr_slave_1 entered promiscuous mode [ 69.219090][ T8535] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.226667][ T8535] Cannot create hsr debugfs directory [ 69.242372][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.252894][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.261449][ T2925] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.268635][ T2925] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.276992][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.285694][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.294111][ T2925] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.301223][ T2925] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.308722][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.318131][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.326501][ T2925] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.333562][ T2925] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.341498][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.350191][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.358740][ T2925] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.365893][ T2925] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.373418][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.382104][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.390574][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.400241][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.408018][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.417581][ T8532] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 69.477191][ T8532] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.511251][ T8532] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.573662][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.617256][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.626047][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.635179][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.643939][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.652746][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.661616][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.670559][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.678753][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.709979][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.717839][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.726789][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.737368][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.775449][ T8524] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.787186][ T8524] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.796829][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.806260][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.814707][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.822910][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.836192][ T8522] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.848247][ T8522] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.863576][ T8527] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.883040][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.891784][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.920122][ T8527] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.926952][ T8535] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.986745][ T8522] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.997406][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.005867][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.013778][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.022026][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.029719][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.037225][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.047314][ T8524] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.057586][ T8535] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 70.101345][ T8535] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 70.155375][ T8535] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.223516][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.235164][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.243877][ T2924] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.250959][ T2924] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.261171][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.269914][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.278113][ T2924] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.285207][ T2924] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.293542][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.309118][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.317660][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.352472][ T8532] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.360502][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.370506][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.405572][ T8522] device veth0_vlan entered promiscuous mode [ 70.414775][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.424823][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.434213][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.442351][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.450920][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.459072][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.467517][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.475736][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.483530][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.491962][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.502823][ T8530] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.513299][ T8524] device veth0_vlan entered promiscuous mode [ 70.535144][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.544220][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.553730][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.562944][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.572120][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.580917][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.589335][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.602810][ T8522] device veth1_vlan entered promiscuous mode [ 70.618182][ T8530] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.630847][ T8524] device veth1_vlan entered promiscuous mode [ 70.656381][ T8527] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.668553][ T8527] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.677726][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.688742][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.696973][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.708035][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.715989][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.724120][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.732661][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.741603][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.749352][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.769187][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.777686][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.789485][ T2931] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.796533][ T2931] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.804279][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.812877][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.821889][ T2931] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.829003][ T2931] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.836824][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.845928][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.854565][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.863432][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.872072][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.880871][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.889912][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.897710][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.910508][ T8532] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.942558][ T8535] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.977524][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.986278][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.994916][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.004012][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.013842][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.022886][ T2925] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.030026][ T2925] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.037701][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.046299][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.054527][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.064931][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.073325][ T2925] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.080419][ T2925] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.087911][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.096498][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.107584][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.125393][ T8535] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.156806][ T8527] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.177094][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.186060][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.199904][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.208711][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.224055][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.242778][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.253026][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.265587][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.275868][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.287046][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.296550][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.311186][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.324049][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 176.218918][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 176.225793][ C1] rcu: 1-...!: (10499 ticks this GP) idle=4de/1/0x4000000000000002 softirq=13033/13033 fqs=38 [ 176.236375][ C1] (t=10500 jiffies g=6705 q=227) [ 176.241393][ C1] rcu: rcu_preempt kthread starved for 10422 jiffies! g6705 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 176.252493][ C1] rcu: RCU grace-period kthread stack dump: [ 176.258386][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 176.266285][ C1] Call Trace: [ 176.269571][ C1] __schedule+0x9a0/0xcc0 [ 176.273915][ C1] schedule+0x181/0x210 [ 176.278064][ C1] schedule_timeout+0x14f/0x240 [ 176.282908][ C1] ? run_local_timers+0x120/0x120 [ 176.287926][ C1] rcu_gp_kthread+0xed8/0x1770 [ 176.292689][ C1] kthread+0x332/0x350 [ 176.296745][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 176.301858][ C1] ? kthread_blkcg+0xe0/0xe0 [ 176.306438][ C1] ret_from_fork+0x24/0x30 [ 176.310867][ C1] NMI backtrace for cpu 1 [ 176.315190][ C1] CPU: 1 PID: 8522 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 176.323789][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.333845][ C1] Call Trace: [ 176.337115][ C1] [ 176.339958][ C1] dump_stack+0x1fb/0x318 [ 176.344316][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 176.349171][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 176.355313][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 176.361373][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 176.367344][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 176.373233][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 176.378339][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 176.383576][ C1] ? trace_hardirqs_off+0x74/0x80 [ 176.388593][ C1] update_process_times+0x12d/0x180 [ 176.393868][ C1] tick_sched_timer+0x263/0x420 [ 176.398706][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 176.404247][ C1] __hrtimer_run_queues+0x403/0x840 [ 176.409466][ C1] hrtimer_interrupt+0x38c/0xda0 [ 176.414431][ C1] ? debug_smp_processor_id+0x9/0x20 [ 176.419713][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 176.425404][ C1] apic_timer_interrupt+0xf/0x20 [ 176.430339][ C1] [ 176.433795][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x48/0x50 [ 176.439936][ C1] Code: 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 13 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 3a 0f 1f 80 00 00 00 00 4c 8b 04 24 65 48 8b 04 25 c0 1d 02 00 65 [ 176.459903][ C1] RSP: 0018:ffffc90002537b98 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 176.468302][ C1] RAX: ffffffff814897d3 RBX: 0000000000000000 RCX: ffff88807dbac480 [ 176.476265][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000264dac0 [ 176.484224][ C1] RBP: ffffc90002537bc0 R08: 000000000003a728 R09: ffffed10123576c9 [ 176.492190][ C1] R10: ffffed10123576c9 R11: 0000000000000000 R12: dffffc0000000000 [ 176.500150][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888091abb638 [ 176.508124][ C1] ? mod_memcg_page_state+0x123/0x190 [ 176.513490][ C1] ? free_thread_stack+0x124/0x590 [ 176.518604][ C1] ? mod_memcg_page_state+0x123/0x190 [ 176.523969][ C1] free_thread_stack+0x168/0x590 [ 176.528896][ C1] put_task_stack+0xa3/0x130 [ 176.533477][ C1] finish_task_switch+0x3f1/0x550 [ 176.539886][ C1] __schedule+0x9a8/0xcc0 [ 176.544229][ C1] schedule+0x181/0x210 [ 176.548377][ C1] do_nanosleep+0x1d0/0x6c0 [ 176.552885][ C1] hrtimer_nanosleep+0x3a6/0x5b0 [ 176.557818][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 176.563618][ C1] __x64_sys_nanosleep+0x186/0x1d0 [ 176.568725][ C1] do_syscall_64+0xf7/0x1c0 [ 176.573220][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.579118][ C1] RIP: 0033:0x4593f0 [ 176.583014][ 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 [ 176.602607][ C1] RSP: 002b:00007fff0a7c91d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 176.611010][ C1] RAX: ffffffffffffffda RBX: 000000000001160e RCX: 00000000004593f0 [ 176.618972][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff0a7c91e0 [ 176.626945][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000002551940 [ 176.634905][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 176.642866][ C1] R13: 00007fff0a7c9230 R14: 000000000001160e R15: 00007fff0a7c9240