[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 58.073664][ T28] audit: type=1800 audit(1578455949.954:25): pid=8644 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 58.095754][ T28] audit: type=1800 audit(1578455949.964:26): pid=8644 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 58.146608][ T28] audit: type=1800 audit(1578455949.964:27): pid=8644 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 '10.128.0.22' (ECDSA) to the list of known hosts. 2020/01/08 03:59:22 fuzzer started 2020/01/08 03:59:23 dialing manager at 10.128.0.26:35703 2020/01/08 03:59:23 syscalls: 2824 2020/01/08 03:59:23 code coverage: enabled 2020/01/08 03:59:23 comparison tracing: enabled 2020/01/08 03:59:23 extra coverage: enabled 2020/01/08 03:59:23 setuid sandbox: enabled 2020/01/08 03:59:23 namespace sandbox: enabled 2020/01/08 03:59:23 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:59:23 fault injection: enabled 2020/01/08 03:59:23 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:59:23 net packet injection: enabled 2020/01/08 03:59:23 net device setup: enabled 2020/01/08 03:59:23 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:59:23 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:59:24 executing program 0: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @multicast1}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f00000008c0)={0x2, 0x4e23, @local}, 0x10) ioctl$int_in(r0, 0x5452, &(0x7f0000000440)=0x4) shutdown(r0, 0x1) 03:59:24 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x10, 0x3, 0x0) sendmsg(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000180)="24000000150007031dfffd946fa2830002200a00090a0000741d85680c1ba3a20400ff7e280000002600ffffba16a0aa1c0009b3ebea8653b1cc7e63975c0ac47b6268e3966cf055d90f15a3", 0x4c}], 0x1}, 0x0) syzkaller login: [ 72.534591][ T8812] IPVS: ftp: loaded support on port[0] = 21 [ 72.702019][ T8812] chnl_net:caif_netlink_parms(): no params data found [ 72.746674][ T8812] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.754293][ T8812] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.762509][ T8812] device bridge_slave_0 entered promiscuous mode [ 72.771518][ T8812] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.778745][ T8812] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.787094][ T8812] device bridge_slave_1 entered promiscuous mode [ 72.808241][ T8812] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.819560][ T8812] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.844729][ T8812] team0: Port device team_slave_0 added [ 72.849078][ T8815] IPVS: ftp: loaded support on port[0] = 21 03:59:24 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000002c0)='./cgroup/syz0\x00', 0x200002, 0x0) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x9, 0x3, &(0x7f00000000c0)=@framed, &(0x7f0000000140)='syzkaller\x00', 0x1, 0x1ee, &(0x7f00000003c0)=""/251, 0x0, 0x0, [], 0x0, 0xd, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x1cf}, 0x48) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000002c0)='./cgroup/syz0\x00', 0x200002, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000040)={r2, r1, 0xd}, 0x10) fcntl$dupfd(r0, 0x0, r2) perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x0, 0x8000000000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x8090, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r3 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000000240), 0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000000400)={{{@in=@loopback, @in6=@initdev}}, {{@in=@remote}, 0x0, @in=@loopback}}, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) [ 72.852498][ T8812] team0: Port device team_slave_1 added [ 72.929667][ T8812] device hsr_slave_0 entered promiscuous mode 03:59:24 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000080)='net/ip_vs_stats_percpu\x00') bind$alg(r0, &(0x7f0000000100)={0x26, 'hash\x00', 0x0, 0x0, 'crc32c-generic\x00'}, 0x58) r2 = accept4$alg(r0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendfile(r2, r1, 0x0, 0x80000000000003) [ 73.025949][ T8812] device hsr_slave_1 entered promiscuous mode [ 73.134477][ T8817] IPVS: ftp: loaded support on port[0] = 21 03:59:25 executing program 4: getrandom(&(0x7f0000000400)=""/173, 0xfffffffffffffd85, 0x2) [ 73.368527][ T8812] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.436677][ T8815] chnl_net:caif_netlink_parms(): no params data found [ 73.451987][ T8820] IPVS: ftp: loaded support on port[0] = 21 [ 73.455588][ T8812] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.553922][ T8812] netdevsim netdevsim0 netdevsim2: renamed from eth2 03:59:25 executing program 5: r0 = socket$tipc(0x1e, 0x5, 0x0) sendmsg$tipc(r0, &(0x7f0000001180)={&(0x7f0000000000)=@id, 0x10, 0x0}, 0x0) r1 = socket(0xa, 0x3, 0x84) dup3(r1, r0, 0x0) [ 73.669642][ T8822] IPVS: ftp: loaded support on port[0] = 21 [ 73.692429][ T8812] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.817162][ T8817] chnl_net:caif_netlink_parms(): no params data found [ 73.838021][ T8815] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.845543][ T8815] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.855319][ T8815] device bridge_slave_0 entered promiscuous mode [ 73.865490][ T8815] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.872578][ T8815] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.880463][ T8815] device bridge_slave_1 entered promiscuous mode [ 73.902873][ T8815] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.934543][ T8825] IPVS: ftp: loaded support on port[0] = 21 [ 73.946222][ T8815] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.005470][ T8817] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.012523][ T8817] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.021035][ T8817] device bridge_slave_0 entered promiscuous mode [ 74.029455][ T8817] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.036622][ T8817] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.044213][ T8817] device bridge_slave_1 entered promiscuous mode [ 74.058255][ T8815] team0: Port device team_slave_0 added [ 74.072806][ T8815] team0: Port device team_slave_1 added [ 74.109742][ T8817] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.129655][ T8820] chnl_net:caif_netlink_parms(): no params data found [ 74.154264][ T8817] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.257592][ T8815] device hsr_slave_0 entered promiscuous mode [ 74.306038][ T8815] device hsr_slave_1 entered promiscuous mode [ 74.365380][ T8815] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.374790][ T8815] Cannot create hsr debugfs directory [ 74.391797][ T8822] chnl_net:caif_netlink_parms(): no params data found [ 74.424500][ T8820] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.432728][ T8820] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.440755][ T8820] device bridge_slave_0 entered promiscuous mode [ 74.453363][ T8820] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.461160][ T8820] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.469410][ T8820] device bridge_slave_1 entered promiscuous mode [ 74.479074][ T8817] team0: Port device team_slave_0 added [ 74.500946][ T8820] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.514483][ T8820] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.530254][ T8817] team0: Port device team_slave_1 added [ 74.578796][ T8822] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.586070][ T8822] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.593730][ T8822] device bridge_slave_0 entered promiscuous mode [ 74.604694][ T8822] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.612030][ T8822] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.620366][ T8822] device bridge_slave_1 entered promiscuous mode [ 74.635496][ T8820] team0: Port device team_slave_0 added [ 74.651100][ T8820] team0: Port device team_slave_1 added [ 74.677538][ T8822] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.718176][ T8817] device hsr_slave_0 entered promiscuous mode [ 74.775637][ T8817] device hsr_slave_1 entered promiscuous mode [ 74.815353][ T8817] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.822958][ T8817] Cannot create hsr debugfs directory [ 74.847975][ T8822] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.871843][ T8812] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.927182][ T8820] device hsr_slave_0 entered promiscuous mode [ 74.976828][ T8820] device hsr_slave_1 entered promiscuous mode [ 75.025277][ T8820] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 75.032861][ T8820] Cannot create hsr debugfs directory [ 75.089464][ T8822] team0: Port device team_slave_0 added [ 75.104681][ T8822] team0: Port device team_slave_1 added [ 75.142190][ T8815] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 75.180438][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.188910][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.200035][ T8812] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.220857][ T8815] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 75.252396][ T2744] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.262293][ T2744] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.270913][ T2744] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.278216][ T2744] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.288719][ T2744] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.298216][ T8825] chnl_net:caif_netlink_parms(): no params data found [ 75.323351][ T8815] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 75.371416][ T8815] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 75.478992][ T8822] device hsr_slave_0 entered promiscuous mode [ 75.515553][ T8822] device hsr_slave_1 entered promiscuous mode [ 75.555231][ T8822] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 75.563163][ T8822] Cannot create hsr debugfs directory [ 75.573531][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.582484][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.590941][ T2741] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.598038][ T2741] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.665309][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.674121][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.703197][ T8817] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 75.751186][ T8817] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 75.798298][ T8825] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.806340][ T8825] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.814025][ T8825] device bridge_slave_0 entered promiscuous mode [ 75.823040][ T8825] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.830266][ T8825] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.838473][ T8825] device bridge_slave_1 entered promiscuous mode [ 75.845738][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.854442][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.863750][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.872594][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.882336][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.893858][ T8817] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 75.940586][ T8817] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 76.011188][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.019783][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.029412][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.037857][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.079941][ T8812] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.119467][ T8825] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.130874][ T8820] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 76.204508][ T8825] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.226742][ T8820] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 76.294212][ T8815] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.307455][ T8822] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 76.331939][ T8822] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 76.397780][ T8820] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 76.447798][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.455396][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.467741][ T8812] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.486063][ T8825] team0: Port device team_slave_0 added [ 76.492637][ T8822] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 76.538253][ T8822] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 76.597109][ T8820] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 76.651289][ T8825] team0: Port device team_slave_1 added [ 76.668827][ T8815] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.678004][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.686767][ T3235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.738728][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.749308][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.758392][ T2745] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.765521][ T2745] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.773161][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.782422][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.791010][ T2745] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.798125][ T2745] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.806157][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.814714][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.824305][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.879010][ T8825] device hsr_slave_0 entered promiscuous mode [ 76.925507][ T8825] device hsr_slave_1 entered promiscuous mode [ 76.995261][ T8825] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 77.002858][ T8825] Cannot create hsr debugfs directory [ 77.016095][ T8817] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.029460][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 77.039817][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 77.048819][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.057853][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.066745][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 77.075793][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.088059][ T8812] device veth0_vlan entered promiscuous mode [ 77.115970][ T8817] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.136348][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 77.144003][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 77.152916][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.160790][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 77.169373][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.177869][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 77.186283][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.194546][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.202631][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.222568][ T8822] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.251116][ T8812] device veth1_vlan entered promiscuous mode [ 77.265728][ T3236] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 77.274123][ T3236] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.284538][ T3236] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.293636][ T3236] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.303811][ T3236] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.310959][ T3236] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.318545][ T3236] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.327663][ T3236] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.336656][ T3236] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.343692][ T3236] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.351377][ T3236] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.359414][ T3236] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.371306][ T8815] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.397511][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.406207][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.419840][ T8822] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.463711][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.472932][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.482853][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.493532][ T2741] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.500720][ T2741] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.509265][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.516874][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.525401][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.563163][ T8815] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.577611][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.587863][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.596698][ T2745] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.603745][ T2745] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.613846][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.623020][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.632110][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 77.641263][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.650157][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 77.659325][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.680705][ T8820] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.698627][ T8822] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 77.715405][ T8822] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 77.732361][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.741347][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 77.750706][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.759842][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 77.771333][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.780828][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 77.790016][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.799710][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 77.809206][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.863071][ T8822] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 182.815066][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 182.821915][ C1] rcu: 1-...!: (1 GPs behind) idle=ba6/1/0x4000000000000002 softirq=13933/13934 fqs=3 [ 182.831793][ C1] (t=10501 jiffies g=7537 q=219) [ 182.836809][ C1] rcu: rcu_preempt kthread starved for 10496 jiffies! g7537 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 182.848063][ C1] rcu: RCU grace-period kthread stack dump: [ 182.853949][ C1] rcu_preempt I28984 10 2 0x80004000 [ 182.860271][ C1] Call Trace: [ 182.863560][ C1] __schedule+0x9a0/0xcc0 [ 182.867887][ C1] schedule+0x181/0x210 [ 182.872063][ C1] schedule_timeout+0x14f/0x240 [ 182.876952][ C1] ? run_local_timers+0x120/0x120 [ 182.882005][ C1] rcu_gp_kthread+0xed8/0x1770 [ 182.886778][ C1] kthread+0x332/0x350 [ 182.890876][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 182.896017][ C1] ? kthread_blkcg+0xe0/0xe0 [ 182.900628][ C1] ret_from_fork+0x24/0x30 [ 182.905104][ C1] NMI backtrace for cpu 1 [ 182.909441][ C1] CPU: 1 PID: 8830 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 182.918626][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 182.928745][ C1] Call Trace: [ 182.932031][ C1] [ 182.934884][ C1] dump_stack+0x1fb/0x318 [ 182.939211][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 182.944096][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 182.950258][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 182.956342][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 182.962788][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 182.968792][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 182.974304][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 182.979698][ C1] ? trace_hardirqs_off+0x74/0x80 [ 182.984871][ C1] update_process_times+0x12d/0x180 [ 182.990175][ C1] tick_sched_timer+0x263/0x420 [ 183.001345][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 183.007088][ C1] __hrtimer_run_queues+0x403/0x840 [ 183.012540][ C1] hrtimer_interrupt+0x38c/0xda0 [ 183.017513][ C1] ? debug_smp_processor_id+0x9/0x20 [ 183.023106][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 183.029016][ C1] apic_timer_interrupt+0xf/0x20 [ 183.033968][ C1] [ 183.036925][ C1] RIP: 0010:mod_memcg_page_state+0x123/0x190 [ 183.043517][ C1] Code: e8 22 8f 6a 00 48 83 3d b2 fd e1 07 00 74 70 e8 c3 26 2e 00 4c 89 ff 57 9d 0f 1f 44 00 00 e8 44 cf 33 00 eb 43 e8 ad 26 2e 00 3c e8 d6 cc 33 00 48 c7 c0 68 95 2a 89 48 c1 e8 03 42 80 3c 20 [ 183.064429][ C1] RSP: 0018:ffffc900025d7858 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 183.073645][ C1] RAX: ffffffff814897d3 RBX: 0000000000000000 RCX: ffff88809784a380 [ 183.082699][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00029e9f80 [ 183.090692][ C1] RBP: ffffc900025d7878 R08: 000000000003a728 R09: ffffed101521de99 [ 183.098690][ C1] R10: ffffed101521de99 R11: 0000000000000000 R12: dffffc0000000000 [ 183.106671][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a90ef4b8 [ 183.114697][ C1] ? mod_memcg_page_state+0x123/0x190 [ 183.120075][ C1] ? mod_memcg_page_state+0x123/0x190 [ 183.125460][ C1] free_thread_stack+0x168/0x590 [ 183.130434][ C1] put_task_stack+0xa3/0x130 [ 183.135057][ C1] finish_task_switch+0x3f1/0x550 [ 183.140083][ C1] __schedule+0x9a8/0xcc0 [ 183.144442][ C1] ? ___preempt_schedule+0x16/0x18 [ 183.149557][ C1] preempt_schedule+0xdb/0x120 [ 183.154347][ C1] ___preempt_schedule+0x16/0x18 [ 183.159341][ C1] ? page_poisoning_enabled+0x1c/0x30 [ 183.164732][ C1] prep_new_page+0x161/0x2e0 [ 183.169351][ C1] get_page_from_freelist+0x850/0xaa0 [ 183.174742][ C1] __alloc_pages_nodemask+0x264/0x5d0 [ 183.180147][ C1] alloc_pages_vma+0x94a/0xd50 [ 183.185022][ C1] do_huge_pmd_anonymous_page+0x883/0xe50 [ 183.191012][ C1] handle_mm_fault+0x2017/0x2890 [ 183.196140][ C1] do_user_addr_fault+0x589/0xaf0 [ 183.201163][ C1] __do_page_fault+0xd3/0x1f0 [ 183.206001][ C1] do_page_fault+0x99/0xb0 [ 183.210429][ C1] page_fault+0x39/0x40 [ 183.214576][ C1] RIP: 0033:0x4005c0 [ 183.218480][ C1] Code: 01 e9 cd 01 00 00 48 8b 44 24 10 48 0b 44 24 28 75 20 48 8b 14 24 48 8b 7c 24 20 be 02 00 00 00 e8 a5 55 00 00 48 8b 4c 24 08 <66> 89 01 e9 a1 01 00 00 48 8b 44 24 08 48 8b 14 24 be 02 00 00 00 [ 183.238424][ C1] RSP: 002b:00007ffeeb261f70 EFLAGS: 00010202 [ 183.244481][ C1] RAX: 0000000000000002 RBX: 000000000075c9a0 RCX: 00000000200008c0 [ 183.252443][ C1] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000002 [ 183.260545][ C1] RBP: 0000000000760150 R08: 0000000000000000 R09: 0000000000000000 [ 183.268516][ C1] R10: 00007ffeeb262080 R11: 0000000000000246 R12: 000000000075bf20 [ 183.276494][ C1] R13: 0000000000012fd5 R14: 0000000000760158 R15: 000000000075bf2c