[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 48.219327][ T27] audit: type=1800 audit(1578472959.233:25): pid=8387 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 48.238678][ T27] audit: type=1800 audit(1578472959.243:26): pid=8387 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 48.287462][ T27] audit: type=1800 audit(1578472959.243:27): pid=8387 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 '10.128.10.47' (ECDSA) to the list of known hosts. 2020/01/08 08:42:50 fuzzer started 2020/01/08 08:42:51 dialing manager at 10.128.0.26:35703 2020/01/08 08:42:51 syscalls: 2824 2020/01/08 08:42:51 code coverage: enabled 2020/01/08 08:42:51 comparison tracing: enabled 2020/01/08 08:42:51 extra coverage: enabled 2020/01/08 08:42:51 setuid sandbox: enabled 2020/01/08 08:42:51 namespace sandbox: enabled 2020/01/08 08:42:51 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 08:42:51 fault injection: enabled 2020/01/08 08:42:51 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 08:42:51 net packet injection: enabled 2020/01/08 08:42:51 net device setup: enabled 2020/01/08 08:42:51 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 08:42:51 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:42:52 executing program 0: r0 = getpid() ioctl$SG_GET_ACCESS_COUNT(0xffffffffffffffff, 0x2289, 0x0) sched_setscheduler(r0, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) dup(0xffffffffffffffff) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000003c0)='./cgroup/syz0\x00', 0x200002, 0x0) fchdir(r1) openat$cgroup_procs(0xffffffffffffffff, 0x0, 0x2, 0x0) dup2(0xffffffffffffffff, 0xffffffffffffffff) gettid() preadv(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) userfaultfd(0x800) ioctl$RTC_WIE_OFF(0xffffffffffffffff, 0x7010) syz_open_procfs(0x0, &(0x7f0000000240)='auxv\x00') openat$nullb(0xffffffffffffff9c, &(0x7f0000000080)='/dev/nullb0\x00', 0x4000000004002, 0x0) timer_create(0x0, &(0x7f0000000000)={0x0, 0x0, 0x1, @thr={0x0, 0x0}}, &(0x7f0000000040)) mount$fuse(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, 0x0) openat$fuse(0xffffffffffffff9c, &(0x7f0000000300)='/dev/fuse\x00', 0x2, 0x0) mount$fuse(0x0, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, 0x0) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000440)={'vcan0\x00'}) 08:42:52 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000600)) r1 = syz_open_pts(r0, 0x0) ioctl$TCSETSF(r1, 0x5412, &(0x7f0000000080)={0x11}) syzkaller login: [ 61.411933][ T8552] IPVS: ftp: loaded support on port[0] = 21 [ 61.536677][ T8552] chnl_net:caif_netlink_parms(): no params data found 08:42:52 executing program 2: unshare(0x20600) socket$isdn_base(0x22, 0x3, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000840)={&(0x7f0000000180)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x14, 0x14, 0x2, [@enum={0x0, 0x1, 0x0, 0x6, 0x4, [{0x0, 0x3}]}]}}, 0x0, 0x2e}, 0x20) ppoll(&(0x7f00000000c0)=[{}], 0x20000000000000f1, 0x0, 0x0, 0x0) [ 61.622350][ T8552] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.630726][ T8552] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.638791][ T8552] device bridge_slave_0 entered promiscuous mode [ 61.657399][ T8556] IPVS: ftp: loaded support on port[0] = 21 [ 61.665728][ T8552] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.673501][ T8552] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.690546][ T8552] device bridge_slave_1 entered promiscuous mode [ 61.759336][ T8552] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.781978][ T8552] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.858522][ T8552] team0: Port device team_slave_0 added [ 61.867826][ T8552] team0: Port device team_slave_1 added 08:42:52 executing program 3: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000240)={0x0, @in6={{0x2, 0x0, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0xfe80}, 0x9c) [ 61.925090][ T8556] chnl_net:caif_netlink_parms(): no params data found [ 61.937052][ T8559] IPVS: ftp: loaded support on port[0] = 21 [ 62.013951][ T8552] device hsr_slave_0 entered promiscuous mode 08:42:53 executing program 4: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800a1695e1dcfe87b1071") r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000200)={0x26, 'hash\x00', 0x0, 0x0, 'rmd128\x00'}, 0x58) r2 = accept4(r1, 0x0, 0x0, 0x0) sendto$unix(r2, &(0x7f00000000c0)="982aa3d42a2b69282fc3ed409c618a92c203345531421c2a0868380b2e1982762157e211678987a630ae930400000007e8c8ea6839763448facada8f709affe0", 0x40, 0x0, 0x0, 0x0) [ 62.080203][ T8552] device hsr_slave_1 entered promiscuous mode [ 62.188475][ T8562] IPVS: ftp: loaded support on port[0] = 21 [ 62.263554][ T8564] IPVS: ftp: loaded support on port[0] = 21 [ 62.312327][ T8556] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.319415][ T8556] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.328294][ T8556] device bridge_slave_0 entered promiscuous mode [ 62.363526][ T8556] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.372719][ T8556] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.381317][ T8556] device bridge_slave_1 entered promiscuous mode 08:42:53 executing program 5: r0 = socket$inet6(0xa, 0x3, 0x3a) setsockopt$inet6_MRT6_ADD_MFC(r0, 0x3a, 0xc9, 0x0, 0x0) [ 62.428277][ T8556] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.459915][ T8552] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.538218][ T8556] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.553288][ T8552] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.603037][ T8552] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.682412][ T8552] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.775557][ T8556] team0: Port device team_slave_0 added [ 62.793119][ T8566] IPVS: ftp: loaded support on port[0] = 21 [ 62.816218][ T8556] team0: Port device team_slave_1 added [ 62.882040][ T8556] device hsr_slave_0 entered promiscuous mode [ 62.920016][ T8556] device hsr_slave_1 entered promiscuous mode [ 62.989768][ T8556] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.997766][ T8556] Cannot create hsr debugfs directory [ 63.039425][ T8559] chnl_net:caif_netlink_parms(): no params data found [ 63.061244][ T8562] chnl_net:caif_netlink_parms(): no params data found [ 63.126033][ T8564] chnl_net:caif_netlink_parms(): no params data found [ 63.187967][ T8559] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.195622][ T8559] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.203582][ T8559] device bridge_slave_0 entered promiscuous mode [ 63.216930][ T8564] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.225360][ T8564] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.233526][ T8564] device bridge_slave_0 entered promiscuous mode [ 63.243529][ T8564] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.250722][ T8564] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.258330][ T8564] device bridge_slave_1 entered promiscuous mode [ 63.275158][ T8562] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.282424][ T8562] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.290299][ T8562] device bridge_slave_0 entered promiscuous mode [ 63.298140][ T8559] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.305734][ T8559] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.313511][ T8559] device bridge_slave_1 entered promiscuous mode [ 63.341454][ T8562] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.348640][ T8562] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.357050][ T8562] device bridge_slave_1 entered promiscuous mode [ 63.378198][ T8562] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.398418][ T8559] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.415558][ T8564] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.430643][ T8562] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.444587][ T8559] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.454146][ T8556] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 63.513734][ T8564] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.548477][ T8556] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 63.586130][ T8556] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 63.632986][ T8564] team0: Port device team_slave_0 added [ 63.638944][ T8556] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 63.691421][ T8559] team0: Port device team_slave_0 added [ 63.700437][ T8559] team0: Port device team_slave_1 added [ 63.712347][ T8562] team0: Port device team_slave_0 added [ 63.721622][ T8564] team0: Port device team_slave_1 added [ 63.744733][ T8562] team0: Port device team_slave_1 added [ 63.778623][ T8566] chnl_net:caif_netlink_parms(): no params data found [ 63.842322][ T8559] device hsr_slave_0 entered promiscuous mode [ 63.870170][ T8559] device hsr_slave_1 entered promiscuous mode [ 63.909760][ T8559] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.917400][ T8559] Cannot create hsr debugfs directory [ 63.942092][ T8552] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.982039][ T8564] device hsr_slave_0 entered promiscuous mode [ 64.030075][ T8564] device hsr_slave_1 entered promiscuous mode [ 64.069719][ T8564] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.077456][ T8564] Cannot create hsr debugfs directory [ 64.132512][ T8562] device hsr_slave_0 entered promiscuous mode [ 64.199986][ T8562] device hsr_slave_1 entered promiscuous mode [ 64.259708][ T8562] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.267325][ T8562] Cannot create hsr debugfs directory [ 64.344551][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.353850][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.379288][ T8566] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.388382][ T8566] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.396845][ T8566] device bridge_slave_0 entered promiscuous mode [ 64.405580][ T8552] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.431904][ T8566] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.439075][ T8566] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.446906][ T8566] device bridge_slave_1 entered promiscuous mode [ 64.495022][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.504113][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.513653][ T2677] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.520928][ T2677] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.528979][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.538151][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.546708][ T2677] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.553810][ T2677] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.561487][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.570121][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.578560][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.587916][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.607731][ T8566] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.630194][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.638031][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.646378][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.655314][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.668788][ T8566] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.718743][ T8564] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 64.768365][ T8556] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.777143][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.785574][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.794636][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.803450][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.812996][ T8552] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.828822][ T8566] team0: Port device team_slave_0 added [ 64.835884][ T8559] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 64.882173][ T8564] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 64.921901][ T8562] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 64.973248][ T8562] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 65.021755][ T8562] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 65.065360][ T8562] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 65.122894][ T8566] team0: Port device team_slave_1 added [ 65.128756][ T8559] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.181885][ T8564] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 65.246806][ T8564] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 65.302123][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.312103][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.330580][ T8559] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.362351][ T8559] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.436858][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.445853][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.461907][ T8556] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.532476][ T8566] device hsr_slave_0 entered promiscuous mode [ 65.570475][ T8566] device hsr_slave_1 entered promiscuous mode [ 65.609828][ T8566] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.617436][ T8566] Cannot create hsr debugfs directory [ 65.662401][ T8552] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.675704][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.684920][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.693377][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.700472][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.708383][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.717383][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.725740][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.732830][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.740996][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.749401][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.758451][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.766985][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.775935][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.784009][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.855358][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.864784][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.874029][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.882665][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.891540][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.900050][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.908239][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.916885][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.927410][ T8556] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.961407][ T8559] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.998523][ T8552] device veth0_vlan entered promiscuous mode [ 66.007490][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.015816][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.024846][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.032657][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.059290][ T8562] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.090644][ T8559] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.099163][ T8552] device veth1_vlan entered promiscuous mode [ 66.115020][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.123034][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.132931][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.141513][ T3936] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.151827][ T8564] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.159910][ T8566] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 66.198872][ T8556] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.210646][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.219244][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.232896][ T2772] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.240152][ T2772] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.248063][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.256979][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.265613][ T2772] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.272756][ T2772] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.280901][ T8566] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 66.332189][ T8566] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 66.377363][ T8562] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.391310][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.402297][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.410605][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.418393][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.433569][ T8566] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 66.494442][ T8564] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.524554][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.537608][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.547327][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.556502][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.565581][ T2772] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.572904][ T2772] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.581322][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.590395][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.598663][ T2772] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.605766][ T2772] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.614309][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.623421][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.632967][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.642194][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.651331][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.660536][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.669229][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.677552][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.698898][ T8559] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.711954][ T8559] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.737156][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.751880][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.775626][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.787582][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.796965][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.805861][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.814934][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.823830][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.832474][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.876445][ T8562] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.887251][ T8562] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.922156][ T8562] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.958754][ T8562] device veth0_vlan entered promiscuous mode [ 66.978569][ T8562] device veth1_vlan entered promiscuous mode [ 171.779551][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 171.786337][ C1] rcu: 1-...!: (10499 ticks this GP) idle=9c2/1/0x4000000000000002 softirq=12793/12793 fqs=42 [ 171.796907][ C1] (t=10501 jiffies g=7069 q=491) [ 171.801945][ C1] rcu: rcu_preempt kthread starved for 10418 jiffies! g7069 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 171.813122][ C1] rcu: RCU grace-period kthread stack dump: [ 171.819001][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 171.826887][ C1] Call Trace: [ 171.830174][ C1] __schedule+0x9a0/0xcc0 [ 171.834501][ C1] schedule+0x181/0x210 [ 171.838731][ C1] schedule_timeout+0x14f/0x240 [ 171.845311][ C1] ? run_local_timers+0x120/0x120 [ 171.850335][ C1] rcu_gp_kthread+0xed8/0x1770 [ 171.855097][ C1] kthread+0x332/0x350 [ 171.859164][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 171.864352][ C1] ? kthread_blkcg+0xe0/0xe0 [ 171.868975][ C1] ret_from_fork+0x24/0x30 [ 171.873393][ C1] NMI backtrace for cpu 1 [ 171.877727][ C1] CPU: 1 PID: 4124 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 171.886470][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.896528][ C1] Call Trace: [ 171.899801][ C1] [ 171.902650][ C1] dump_stack+0x1fb/0x318 [ 171.906975][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 171.913214][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 171.919380][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 171.925436][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 171.931411][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 171.937291][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 171.942670][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 171.947872][ C1] ? trace_hardirqs_off+0x74/0x80 [ 171.952891][ C1] update_process_times+0x12d/0x180 [ 171.958082][ C1] tick_sched_timer+0x263/0x420 [ 171.962920][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 171.968454][ C1] __hrtimer_run_queues+0x403/0x840 [ 171.973667][ C1] hrtimer_interrupt+0x38c/0xda0 [ 171.979306][ C1] ? debug_smp_processor_id+0x9/0x20 [ 171.984582][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 171.990130][ C1] apic_timer_interrupt+0xf/0x20 [ 171.995050][ C1] [ 171.997978][ C1] RIP: 0010:__memcg_kmem_uncharge+0x0/0x1a0 [ 172.003869][ C1] Code: 00 eb 1b 83 3d 20 bf ac 07 00 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 8c 85 ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 50 89 f3 49 89 fc 48 b8 00 [ 172.023461][ C1] RSP: 0018:ffffc900015d7b08 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 172.031861][ C1] RAX: ffffffff81489244 RBX: ffffea00027ddf80 RCX: ffff888094776440 [ 172.039908][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00027ddf80 [ 172.047869][ C1] RBP: ffffc900015d7b48 R08: dffffc0000000000 R09: fffffbfff124248a [ 172.055843][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a1eb28a0 [ 172.063814][ C1] R13: dffffc0000000000 R14: 1ffff110143d6514 R15: ffff88808e099578 [ 172.072324][ C1] ? free_thread_stack+0x124/0x590 [ 172.077433][ C1] ? free_thread_stack+0x12e/0x590 [ 172.082538][ C1] put_task_stack+0xa3/0x130 [ 172.087117][ C1] finish_task_switch+0x3f1/0x550 [ 172.092140][ C1] __schedule+0x9a8/0xcc0 [ 172.096468][ C1] schedule+0x181/0x210 [ 172.100710][ C1] schedule_hrtimeout_range_clock+0x108/0x510 [ 172.106776][ C1] ? _raw_spin_unlock_irq+0x22/0x80 [ 172.111983][ C1] schedule_hrtimeout_range+0x2a/0x40 [ 172.117345][ C1] ep_poll+0xa4d/0xe80 [ 172.121433][ C1] ? debug_smp_processor_id+0x1c/0x20 [ 172.126832][ C1] ? do_task_dead+0xc0/0xc0 [ 172.131482][ C1] do_epoll_wait+0x1ee/0x260 [ 172.136448][ C1] __x64_sys_epoll_wait+0x9a/0xb0 [ 172.141480][ C1] do_syscall_64+0xf7/0x1c0 [ 172.145980][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.151874][ C1] RIP: 0033:0x7ff03d05b943 [ 172.156301][ C1] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 172.175984][ C1] RSP: 002b:00007fff5c5aa7a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 172.184404][ C1] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007ff03d05b943 [ 172.192370][ C1] RDX: 0000000000000008 RSI: 00007fff5c5aa8a0 RDI: 000000000000000a [ 172.200336][ C1] RBP: 0000000000000000 R08: 00000000010d50d0 R09: 00007ff03d0a51d0 [ 172.208300][ C1] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000003 [ 172.216283][ C1] R13: 0000000000000010 R14: 00000000010d6b10 R15: 00000000010d5250