[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 50.596014][ T27] audit: type=1800 audit(1578449061.739:25): pid=8314 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 50.621909][ T27] audit: type=1800 audit(1578449061.739:26): pid=8314 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 50.677151][ T27] audit: type=1800 audit(1578449061.739:27): pid=8314 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 '10.128.1.55' (ECDSA) to the list of known hosts. 2020/01/08 02:04:34 fuzzer started 2020/01/08 02:04:36 dialing manager at 10.128.0.26:35703 2020/01/08 02:04:36 syscalls: 2824 2020/01/08 02:04:36 code coverage: enabled 2020/01/08 02:04:36 comparison tracing: enabled 2020/01/08 02:04:36 extra coverage: enabled 2020/01/08 02:04:36 setuid sandbox: enabled 2020/01/08 02:04:36 namespace sandbox: enabled 2020/01/08 02:04:36 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 02:04:36 fault injection: enabled 2020/01/08 02:04:36 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 02:04:36 net packet injection: enabled 2020/01/08 02:04:36 net device setup: enabled 2020/01/08 02:04:36 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 02:04:36 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:04:37 executing program 0: pipe(0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_LAPIC(r2, 0x4400ae8f, 0x0) ioctl$KVM_GET_LAPIC(r2, 0x8400ae8e, &(0x7f00000008c0)={"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"}) 02:04:37 executing program 1: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000140)='batadv0\x00', 0x10) r1 = socket$l2tp(0x18, 0x1, 0x1) ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @mcast2}, 0x1c) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) connect$l2tp(r1, &(0x7f0000000000), 0x2e) sendmmsg(r1, &(0x7f0000005fc0), 0x800000000000059, 0x0) syzkaller login: [ 66.171860][ T8482] IPVS: ftp: loaded support on port[0] = 21 02:04:37 executing program 2: r0 = syz_open_dev$admmidi(&(0x7f0000000040)='/dev/admmidi#\x00', 0x2, 0x100006) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) writev(r0, &(0x7f00000007c0)=[{&(0x7f0000000100)='\"', 0x1}, {&(0x7f0000000280)=')', 0x1}], 0x2) [ 66.320529][ T8484] IPVS: ftp: loaded support on port[0] = 21 [ 66.340848][ T8482] chnl_net:caif_netlink_parms(): no params data found [ 66.427522][ T8482] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.435587][ T8482] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.445813][ T8482] device bridge_slave_0 entered promiscuous mode [ 66.465481][ T8482] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.482424][ T8482] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.490379][ T8482] device bridge_slave_1 entered promiscuous mode [ 66.545061][ T8482] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.575200][ T8482] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.591889][ T8487] IPVS: ftp: loaded support on port[0] = 21 [ 66.598778][ T8484] chnl_net:caif_netlink_parms(): no params data found [ 66.630377][ T8482] team0: Port device team_slave_0 added 02:04:37 executing program 3: unshare(0x2040400) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000600)) r1 = syz_open_pts(r0, 0x0) ioctl$TCSETSF(r1, 0x5418, 0x0) [ 66.661425][ T8482] team0: Port device team_slave_1 added [ 66.741407][ T8484] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.750482][ T8484] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.759369][ T8484] device bridge_slave_0 entered promiscuous mode [ 66.816182][ T8482] device hsr_slave_0 entered promiscuous mode 02:04:38 executing program 4: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000080)="2e0000002a000502d25a80648c000000060000001000084002376ee6735e000000053582c137153e370900018000", 0x2e}], 0x1}, 0x0) [ 66.902622][ T8482] device hsr_slave_1 entered promiscuous mode [ 66.971720][ T8484] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.979192][ T8484] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.003108][ T8484] device bridge_slave_1 entered promiscuous mode [ 67.038267][ T8484] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.064196][ T8484] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.132037][ T8490] IPVS: ftp: loaded support on port[0] = 21 [ 67.134131][ T8484] team0: Port device team_slave_0 added [ 67.151673][ T8492] IPVS: ftp: loaded support on port[0] = 21 [ 67.162972][ T8487] chnl_net:caif_netlink_parms(): no params data found [ 67.181169][ T8484] team0: Port device team_slave_1 added 02:04:38 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x20000000021) r1 = socket$packet(0x11, 0x3, 0x300) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$mice(0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$inet_udp(0x2, 0x2, 0x0) socket$xdp(0x2c, 0x3, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) open(0x0, 0x0, 0x0) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000001440)={0x0, 0x3}, 0x4) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @local, 0x9}, 0x1c) sendto$inet6(r0, &(0x7f0000000000), 0xff77, 0x0, 0x0, 0x4d97) [ 67.297937][ T8482] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.365081][ T8482] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.454123][ T8484] device hsr_slave_0 entered promiscuous mode [ 67.492762][ T8484] device hsr_slave_1 entered promiscuous mode [ 67.532489][ T8484] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.540185][ T8484] Cannot create hsr debugfs directory [ 67.571024][ T8495] IPVS: ftp: loaded support on port[0] = 21 [ 67.577993][ T8482] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.649164][ T8482] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.717780][ T8487] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.725567][ T8487] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.733540][ T8487] device bridge_slave_0 entered promiscuous mode [ 67.782712][ T8492] chnl_net:caif_netlink_parms(): no params data found [ 67.796850][ T8487] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.804071][ T8487] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.811767][ T8487] device bridge_slave_1 entered promiscuous mode [ 67.867323][ T8487] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.900719][ T8487] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.930741][ T8492] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.940493][ T8492] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.948188][ T8492] device bridge_slave_0 entered promiscuous mode [ 67.988847][ T8487] team0: Port device team_slave_0 added [ 67.996686][ T8487] team0: Port device team_slave_1 added [ 68.004199][ T8492] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.011322][ T8492] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.021129][ T8492] device bridge_slave_1 entered promiscuous mode [ 68.050840][ T8484] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 68.126632][ T8492] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.148213][ T8484] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 68.184123][ T8484] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 68.226169][ T8492] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.235849][ T8490] chnl_net:caif_netlink_parms(): no params data found [ 68.295064][ T8487] device hsr_slave_0 entered promiscuous mode [ 68.352746][ T8487] device hsr_slave_1 entered promiscuous mode [ 68.392452][ T8487] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.400025][ T8487] Cannot create hsr debugfs directory [ 68.417909][ T8484] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 68.516724][ T8492] team0: Port device team_slave_0 added [ 68.553806][ T8492] team0: Port device team_slave_1 added [ 68.596399][ T8495] chnl_net:caif_netlink_parms(): no params data found [ 68.614372][ T8490] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.621557][ T8490] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.629596][ T8490] device bridge_slave_0 entered promiscuous mode [ 68.638352][ T8490] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.645485][ T8490] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.653586][ T8490] device bridge_slave_1 entered promiscuous mode [ 68.735040][ T8492] device hsr_slave_0 entered promiscuous mode [ 68.774057][ T8492] device hsr_slave_1 entered promiscuous mode [ 68.812423][ T8492] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.820030][ T8492] Cannot create hsr debugfs directory [ 68.829638][ T8490] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.843194][ T8490] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.888406][ T8490] team0: Port device team_slave_0 added [ 68.907211][ T8495] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.914461][ T8495] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.922180][ T8495] device bridge_slave_0 entered promiscuous mode [ 68.945356][ T8482] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.952258][ T8487] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 69.016421][ T8490] team0: Port device team_slave_1 added [ 69.025101][ T8495] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.032177][ T8495] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.040161][ T8495] device bridge_slave_1 entered promiscuous mode [ 69.055182][ T8487] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 69.108670][ T8487] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 69.170031][ T8487] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.236311][ T8495] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.259009][ T8495] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.278350][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.287357][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.297915][ T8482] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.355033][ T8490] device hsr_slave_0 entered promiscuous mode [ 69.393124][ T8490] device hsr_slave_1 entered promiscuous mode [ 69.432398][ T8490] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.439982][ T8490] Cannot create hsr debugfs directory [ 69.469197][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.478310][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.487020][ T2837] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.494198][ T2837] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.502642][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.538600][ T8495] team0: Port device team_slave_0 added [ 69.546371][ T8495] team0: Port device team_slave_1 added [ 69.561402][ T8484] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.600072][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.608634][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.617132][ T2835] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.624211][ T2835] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.631680][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.652553][ T8484] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.694681][ T8495] device hsr_slave_0 entered promiscuous mode [ 69.753182][ T8495] device hsr_slave_1 entered promiscuous mode [ 69.802695][ T8495] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.810387][ T8495] Cannot create hsr debugfs directory [ 69.834497][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.842548][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.874151][ T8492] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.903614][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.912090][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.924330][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.933059][ T2837] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.940203][ T2837] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.947831][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.956467][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.964821][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.973670][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.982015][ T2837] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.989092][ T2837] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.997124][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.025541][ T8492] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.074760][ T8492] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.134730][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.144720][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.152512][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.160911][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.177458][ T8482] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.188545][ T8482] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.215001][ T8492] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.255035][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.264768][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.273771][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.282231][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.290974][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.299637][ T2835] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.312781][ T8490] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 70.360786][ T8490] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 70.453952][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.462943][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.471192][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.479997][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.488428][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.500203][ T8490] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 70.585112][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.594631][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.604087][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.612238][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.620495][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.628081][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.635777][ T8490] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 70.698035][ T8482] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.706553][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.731741][ T8495] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 70.767859][ T8495] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 70.795885][ T8495] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 70.876351][ T8487] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.887162][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.895193][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.921155][ T8484] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.932455][ T8495] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.992377][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.000916][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.023659][ T8492] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.049317][ T8482] device veth0_vlan entered promiscuous mode [ 71.063995][ T8487] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.071628][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.079975][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.087959][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.096137][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.106072][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.114267][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.129160][ T8492] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.152960][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.160563][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.171231][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.180233][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.188778][ T2837] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.195857][ T2837] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.204671][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.213670][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.221913][ T2837] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.229015][ T2837] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.236677][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.246095][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.254696][ T2837] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.266835][ T8490] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.275420][ T8482] device veth1_vlan entered promiscuous mode [ 71.303688][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.311675][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.319643][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.330314][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.338886][ T2839] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.346869][ T2839] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.355592][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.364845][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.373785][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.381987][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.390513][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.399067][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.406949][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.415124][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.423135][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.441594][ T8487] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.453737][ T8487] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.487168][ T8490] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.495704][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.504968][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.513964][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.522187][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.530852][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.539177][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.547457][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.555785][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.564464][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.572922][ T2900] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.579953][ T2900] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.587549][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.597086][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.605836][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.613444][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.621610][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.644043][ T8484] device veth0_vlan entered promiscuous mode [ 71.674079][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.681506][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.700829][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.711030][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.724327][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.733042][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.741335][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.749848][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.758328][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.766747][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.775003][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.784254][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.792596][ T2839] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.799674][ T2839] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.807444][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.815967][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.824394][ T2839] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.831425][ T2839] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.839318][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.849155][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.856935][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.875002][ T8484] device veth1_vlan entered promiscuous mode [ 71.883884][ T8492] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.894168][ T8487] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.943142][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.953083][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.967644][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.976683][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.985727][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.994981][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.003936][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.024855][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.033885][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.041377][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.054917][ T8501] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 176.942283][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 176.949171][ C0] rcu: 0-...!: (10499 ticks this GP) idle=386/1/0x4000000000000002 softirq=13457/13457 fqs=48 [ 176.959750][ C0] (t=10501 jiffies g=7121 q=348) [ 176.964776][ C0] rcu: rcu_preempt kthread starved for 10406 jiffies! g7121 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 176.975859][ C0] rcu: RCU grace-period kthread stack dump: [ 176.981737][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 176.989625][ C0] Call Trace: [ 176.992912][ C0] __schedule+0x9a0/0xcc0 [ 176.997241][ C0] schedule+0x181/0x210 [ 177.001391][ C0] schedule_timeout+0x14f/0x240 [ 177.006232][ C0] ? run_local_timers+0x120/0x120 [ 177.011249][ C0] rcu_gp_kthread+0xed8/0x1770 [ 177.016041][ C0] kthread+0x332/0x350 [ 177.020103][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 177.025210][ C0] ? kthread_blkcg+0xe0/0xe0 [ 177.029798][ C0] ret_from_fork+0x24/0x30 [ 177.034224][ C0] NMI backtrace for cpu 0 [ 177.038545][ C0] CPU: 0 PID: 8487 Comm: syz-executor.2 Not tainted 5.5.0-rc5-syzkaller #0 [ 177.047114][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.057154][ C0] Call Trace: [ 177.060424][ C0] [ 177.063270][ C0] dump_stack+0x1fb/0x318 [ 177.067591][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 177.072432][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 177.078575][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 177.084637][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 177.090609][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 177.096493][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 177.101598][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 177.106795][ C0] ? trace_hardirqs_off+0x74/0x80 [ 177.111836][ C0] update_process_times+0x12d/0x180 [ 177.117029][ C0] tick_sched_timer+0x263/0x420 [ 177.121866][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 177.127402][ C0] __hrtimer_run_queues+0x403/0x840 [ 177.132605][ C0] hrtimer_interrupt+0x38c/0xda0 [ 177.137557][ C0] ? debug_smp_processor_id+0x9/0x20 [ 177.142837][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 177.148394][ C0] apic_timer_interrupt+0xf/0x20 [ 177.153336][ C0] [ 177.156277][ C0] RIP: 0010:free_thread_stack+0x151/0x590 [ 177.161994][ C0] Code: 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 73 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 55 94 6a 00 48 8b 3b be fc ff ff ff e8 28 04 00 [ 177.181606][ C0] RSP: 0018:ffffc90001e77528 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 177.190019][ C0] RAX: 1ffff1101396e671 RBX: ffff88809cb73388 RCX: 0000000000000000 [ 177.197984][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002561c80 [ 177.206072][ C0] RBP: ffffc90001e77560 R08: 000000000003a728 R09: ffffed1012030ec9 [ 177.214043][ C0] R10: ffffed1012030ec9 R11: 0000000000000000 R12: ffff88809cb73420 [ 177.222006][ C0] R13: dffffc0000000000 R14: 1ffff1101396e684 R15: ffff888090187638 [ 177.229997][ C0] ? free_thread_stack+0x12e/0x590 [ 177.235109][ C0] put_task_stack+0xa3/0x130 [ 177.239690][ C0] finish_task_switch+0x3f1/0x550 [ 177.244710][ C0] __schedule+0x9a8/0xcc0 [ 177.249041][ C0] ? ___preempt_schedule+0x16/0x18 [ 177.254143][ C0] preempt_schedule+0xdb/0x120 [ 177.258897][ C0] ___preempt_schedule+0x16/0x18 [ 177.263830][ C0] try_to_wake_up+0xe78/0x1050 [ 177.268590][ C0] ? do_raw_spin_unlock+0x142/0x950 [ 177.273800][ C0] wake_up_q+0x8c/0xe0 [ 177.277860][ C0] __mutex_unlock_slowpath+0x586/0x5b0 [ 177.283340][ C0] mutex_unlock+0xd/0x10 [ 177.287571][ C0] __rtnl_unlock+0x2c/0xa0 [ 177.291977][ C0] netdev_run_todo+0xe5/0xe10 [ 177.296656][ C0] rtnetlink_rcv_msg+0x890/0xd40 [ 177.301586][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 177.306947][ C0] ? local_bh_enable+0x9/0x30 [ 177.311610][ C0] ? trace_hardirqs_on+0x74/0x80 [ 177.316533][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 177.321892][ C0] ? local_bh_enable+0x1f/0x30 [ 177.326650][ C0] ? rcu_lock_release+0x9/0x30 [ 177.331408][ C0] ? rcu_lock_release+0x9/0x30 [ 177.336171][ C0] netlink_rcv_skb+0x19e/0x3d0 [ 177.340922][ C0] ? rtnetlink_bind+0x80/0x80 [ 177.345598][ C0] rtnetlink_rcv+0x1c/0x20 [ 177.350005][ C0] netlink_unicast+0x767/0x920 [ 177.354771][ C0] netlink_sendmsg+0xa31/0xd50 [ 177.359533][ C0] ? netlink_getsockopt+0x9f0/0x9f0 [ 177.364722][ C0] __sys_sendto+0x442/0x5e0 [ 177.369222][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 177.375279][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 177.380988][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 177.386439][ C0] __x64_sys_sendto+0xe5/0x100 [ 177.391197][ C0] do_syscall_64+0xf7/0x1c0 [ 177.395690][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 177.401569][ C0] RIP: 0033:0x414c43 [ 177.405462][ C0] Code: ff 0f 83 b0 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 2d 38 66 00 00 75 17 49 89 ca b8 2c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 81 19 00 00 c3 48 83 ec 08 e8 87 fa ff ff [ 177.425176][ C0] RSP: 002b:00007ffdc156b4d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 177.433582][ C0] RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000414c43 [ 177.441547][ C0] RDX: 000000000000002c RSI: 0000000000a72250 RDI: 0000000000000003 [ 177.449515][ C0] RBP: 0000000000000000 R08: 00007ffdc156b4e0 R09: 000000000000000c [ 177.457477][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 177.465438][ C0] R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003