[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.389335][ T27] audit: type=1800 audit(1578452157.271:25): pid=8282 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.413826][ T27] audit: type=1800 audit(1578452157.281:26): pid=8282 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.475363][ T27] audit: type=1800 audit(1578452157.281:27): pid=8282 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 '10.128.10.8' (ECDSA) to the list of known hosts. 2020/01/08 02:56:06 fuzzer started syzkaller login: [ 55.526091][ T8436] cc1 (8436) used greatest stack depth: 23896 bytes left 2020/01/08 02:56:08 dialing manager at 10.128.0.26:35703 2020/01/08 02:56:08 syscalls: 2824 2020/01/08 02:56:08 code coverage: enabled 2020/01/08 02:56:08 comparison tracing: enabled 2020/01/08 02:56:08 extra coverage: enabled 2020/01/08 02:56:08 setuid sandbox: enabled 2020/01/08 02:56:08 namespace sandbox: enabled 2020/01/08 02:56:08 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 02:56:08 fault injection: enabled 2020/01/08 02:56:08 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 02:56:08 net packet injection: enabled 2020/01/08 02:56:08 net device setup: enabled 2020/01/08 02:56:08 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 02:56:08 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:56:09 executing program 0: bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x8, 0x3, &(0x7f0000000140)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x79, 0x11, 0x78}}, &(0x7f0000000080)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) 02:56:09 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000100)) r1 = socket$inet6(0xa, 0x803, 0x20) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCSIFADDR(r1, 0x8916, &(0x7f00000002c0)={@remote, 0x0, r2}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000080)={'\x00', 0x22000000c0ffffff}) [ 57.350877][ T8445] IPVS: ftp: loaded support on port[0] = 21 [ 57.511348][ T8445] chnl_net:caif_netlink_parms(): no params data found 02:56:09 executing program 2: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = syz_init_net_socket$rose(0xb, 0x5, 0x0) bind$rose(r2, &(0x7f0000000200)=@short={0xb, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, 0x1, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}}, 0x1c) [ 57.598690][ T8445] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.611524][ T8445] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.620623][ T8445] device bridge_slave_0 entered promiscuous mode [ 57.634723][ T8445] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.643226][ T8445] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.645079][ T8448] IPVS: ftp: loaded support on port[0] = 21 [ 57.674516][ T8445] device bridge_slave_1 entered promiscuous mode [ 57.734542][ T8445] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.756724][ T8445] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.786454][ T8450] IPVS: ftp: loaded support on port[0] = 21 [ 57.808114][ T8445] team0: Port device team_slave_0 added [ 57.820418][ T8445] team0: Port device team_slave_1 added 02:56:09 executing program 3: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$kcm(0xa, 0x2, 0x73) getsockopt$IP_VS_SO_GET_SERVICES(r0, 0x0, 0xc, 0x0, &(0x7f0000000100)) [ 57.906554][ T8445] device hsr_slave_0 entered promiscuous mode [ 57.984614][ T8445] device hsr_slave_1 entered promiscuous mode 02:56:10 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000040)={'team0\x00', 0x0}) r2 = syz_genetlink_get_family_id$team(&(0x7f0000000000)='team\x00') sendmsg$TEAM_CMD_OPTIONS_SET(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000003c0)={0x5c, r2, 0x1, 0x0, 0x0, {0x1, 0x6c00000000000000}, [{{0x11, 0x1, r1}, {0x40, 0x2, [{0x3c, 0x1, @enabled={{{0x38, 0x1, 'enabled\x00'}, {0x5}, {0x4, 0x5}}, {0x8}}}]}}]}, 0x5c}}, 0x0) [ 58.111374][ T8453] IPVS: ftp: loaded support on port[0] = 21 [ 58.197100][ T8448] chnl_net:caif_netlink_parms(): no params data found [ 58.312468][ T8450] chnl_net:caif_netlink_parms(): no params data found [ 58.342799][ T8456] IPVS: ftp: loaded support on port[0] = 21 [ 58.386831][ T8445] netdevsim netdevsim0 netdevsim0: renamed from eth0 02:56:10 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={0x0}}, 0x0) openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfb]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$KVM_NMI(r2, 0xae9a) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 58.534585][ T8445] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.571607][ T8448] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.579778][ T8448] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.587840][ T8448] device bridge_slave_0 entered promiscuous mode [ 58.598037][ T8448] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.605770][ T8448] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.614001][ T8448] device bridge_slave_1 entered promiscuous mode [ 58.626096][ T8445] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.677329][ T8445] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.742328][ T8450] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.749883][ T8450] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.757720][ T8450] device bridge_slave_0 entered promiscuous mode [ 58.766855][ T8450] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.774037][ T8450] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.781711][ T8450] device bridge_slave_1 entered promiscuous mode [ 58.819686][ T8458] IPVS: ftp: loaded support on port[0] = 21 [ 58.830995][ T8448] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.842210][ T8450] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.876402][ T8448] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.886860][ T8450] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.920854][ T8448] team0: Port device team_slave_0 added [ 58.933574][ T8448] team0: Port device team_slave_1 added [ 58.985992][ T8448] device hsr_slave_0 entered promiscuous mode [ 59.043324][ T8448] device hsr_slave_1 entered promiscuous mode [ 59.083057][ T8448] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.090785][ T8448] Cannot create hsr debugfs directory [ 59.110210][ T8450] team0: Port device team_slave_0 added [ 59.127349][ T8453] chnl_net:caif_netlink_parms(): no params data found [ 59.137770][ T8450] team0: Port device team_slave_1 added [ 59.245115][ T8450] device hsr_slave_0 entered promiscuous mode [ 59.294127][ T8450] device hsr_slave_1 entered promiscuous mode [ 59.343041][ T8450] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.350716][ T8450] Cannot create hsr debugfs directory [ 59.376325][ T8456] chnl_net:caif_netlink_parms(): no params data found [ 59.459837][ T8453] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.467377][ T8453] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.475305][ T8453] device bridge_slave_0 entered promiscuous mode [ 59.484266][ T8453] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.491309][ T8453] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.498961][ T8453] device bridge_slave_1 entered promiscuous mode [ 59.528556][ T8456] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.541802][ T8456] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.549648][ T8456] device bridge_slave_0 entered promiscuous mode [ 59.609940][ T8456] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.617497][ T8456] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.625416][ T8456] device bridge_slave_1 entered promiscuous mode [ 59.643860][ T8453] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.658834][ T8448] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.726770][ T8453] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.750390][ T8453] team0: Port device team_slave_0 added [ 59.760134][ T8448] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.804680][ T8448] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.859638][ T8448] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.914985][ T8458] chnl_net:caif_netlink_parms(): no params data found [ 59.924998][ T8453] team0: Port device team_slave_1 added [ 59.932519][ T8445] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.946652][ T8456] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.960440][ T8456] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.981778][ T8456] team0: Port device team_slave_0 added [ 60.044689][ T8453] device hsr_slave_0 entered promiscuous mode [ 60.083288][ T8453] device hsr_slave_1 entered promiscuous mode [ 60.123076][ T8453] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.130655][ T8453] Cannot create hsr debugfs directory [ 60.137953][ T8456] team0: Port device team_slave_1 added [ 60.179402][ T8450] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.219478][ T8445] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.227883][ T8458] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.235960][ T8458] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.243737][ T8458] device bridge_slave_0 entered promiscuous mode [ 60.295817][ T8456] device hsr_slave_0 entered promiscuous mode [ 60.323381][ T8456] device hsr_slave_1 entered promiscuous mode [ 60.373264][ T8456] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.380913][ T8456] Cannot create hsr debugfs directory [ 60.389386][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.397763][ T2671] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.406671][ T8450] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.473503][ T8458] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.480581][ T8458] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.488620][ T8458] device bridge_slave_1 entered promiscuous mode [ 60.517143][ T8450] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.565322][ T8450] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.635166][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.644676][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.653344][ T8459] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.660489][ T8459] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.669153][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.682189][ T8458] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.711732][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.720553][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.730789][ T8459] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.737944][ T8459] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.745780][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.760082][ T8458] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.801669][ T8458] team0: Port device team_slave_0 added [ 60.811232][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.821551][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.830635][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.839260][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.868342][ T8456] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.906636][ T8458] team0: Port device team_slave_1 added [ 60.912375][ T8456] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.968949][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.978590][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.003431][ T8456] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.045319][ T8456] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.088284][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.098188][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.107047][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.115623][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.130532][ T8445] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.153971][ T8453] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.180496][ T8453] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.226594][ T8453] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.295333][ T8453] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.386460][ T8458] device hsr_slave_0 entered promiscuous mode [ 61.414222][ T8458] device hsr_slave_1 entered promiscuous mode [ 61.453354][ T8458] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.461135][ T8458] Cannot create hsr debugfs directory [ 61.484687][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.492108][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.522291][ T8445] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.559386][ T8448] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.597193][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 61.606234][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.621233][ T8448] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.632311][ T8450] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.645297][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.655609][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.688617][ T8450] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.711284][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.723073][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.731727][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.738961][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.749158][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.758240][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.767027][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.774096][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.781650][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.789903][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.797994][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.814425][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.823845][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.832436][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.841583][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.851069][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.864635][ T8456] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.905604][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 61.919205][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.928066][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.937108][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.946097][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.955461][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.965827][ T2677] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.973071][ T2677] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.980637][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.989725][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.998204][ T2677] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.005289][ T2677] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.014203][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.022554][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.030837][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.039311][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.047855][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.058532][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.066916][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.075162][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.085581][ T8448] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.097715][ T8445] device veth0_vlan entered promiscuous mode [ 62.112162][ T8453] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.142310][ T8458] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 62.169033][ T8458] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 62.225871][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.235164][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.243927][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.252185][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.260781][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.269424][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.277905][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.286452][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.294812][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.303588][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.311439][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.319671][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.330390][ T8453] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.342038][ T8450] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.351115][ T8458] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 62.425371][ T8458] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.474676][ T8445] device veth1_vlan entered promiscuous mode [ 62.494422][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.502493][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.516816][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.525009][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.532438][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.540259][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.549053][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.558310][ T2786] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.565468][ T2786] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.573592][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.582161][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.590596][ T2786] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.597703][ T2786] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.605452][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.614232][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.621658][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.630515][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.641935][ T8456] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.698759][ T8450] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.707971][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.720503][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.729693][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.738344][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.747325][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.756056][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.764659][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.773118][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.781313][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.789885][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.798140][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.806900][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.815679][ T2786] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.822768][ T2786] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.831931][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.839936][ T2786] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.865632][ T8448] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.901392][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 167.922858][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.929913][ C1] rcu: 1-...!: (10499 ticks this GP) idle=a12/1/0x4000000000000002 softirq=12158/12158 fqs=0 [ 167.940539][ C1] (t=10500 jiffies g=6737 q=46) [ 167.945580][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g6737 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 167.956861][ C1] rcu: RCU grace-period kthread stack dump: [ 167.962757][ C1] rcu_preempt I29032 10 2 0x80004000 [ 167.969125][ C1] Call Trace: [ 167.972523][ C1] __schedule+0x9a0/0xcc0 [ 167.976959][ C1] schedule+0x181/0x210 [ 167.981215][ C1] schedule_timeout+0x14f/0x240 [ 167.986064][ C1] ? run_local_timers+0x120/0x120 [ 167.991099][ C1] rcu_gp_kthread+0xed8/0x1770 [ 167.996088][ C1] kthread+0x332/0x350 [ 168.000310][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 168.005430][ C1] ? kthread_blkcg+0xe0/0xe0 [ 168.010027][ C1] ret_from_fork+0x24/0x30 [ 168.017516][ C1] NMI backtrace for cpu 1 [ 168.021853][ C1] CPU: 1 PID: 8445 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 168.030502][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.040642][ C1] Call Trace: [ 168.044024][ C1] [ 168.046896][ C1] dump_stack+0x1fb/0x318 [ 168.051354][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 168.056219][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 168.062438][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 168.068516][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 168.074501][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 168.080460][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 168.085584][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 168.090792][ C1] ? trace_hardirqs_off+0x74/0x80 [ 168.095871][ C1] update_process_times+0x12d/0x180 [ 168.101076][ C1] tick_sched_timer+0x263/0x420 [ 168.106113][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.111677][ C1] __hrtimer_run_queues+0x403/0x840 [ 168.116898][ C1] hrtimer_interrupt+0x38c/0xda0 [ 168.121852][ C1] ? debug_smp_processor_id+0x9/0x20 [ 168.127143][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 168.132764][ C1] apic_timer_interrupt+0xf/0x20 [ 168.137699][ C1] [ 168.140637][ C1] RIP: 0010:mod_memcg_page_state+0x0/0x190 [ 168.146528][ C1] Code: 48 8b 3b e8 32 7e 60 00 eb 0c e8 eb 27 2e 00 eb 05 e8 e4 27 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 <55> 48 89 e5 41 57 41 56 41 54 53 41 89 f6 48 89 fb e8 ba 27 2e 00 [ 168.166584][ C1] RSP: 0018:ffffc90001da7bc8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.175552][ C1] RAX: 1ffff11011881611 RBX: ffff88808c40b088 RCX: 0000000000000000 [ 168.183941][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00029dc680 [ 168.192224][ C1] RBP: ffffc90001da7c08 R08: dffffc0000000000 R09: fffffbfff12c962d [ 168.200494][ C1] R10: fffffbfff12c962d R11: 0000000000000000 R12: ffff88808c40b120 [ 168.208477][ C1] R13: dffffc0000000000 R14: 1ffff11011881624 R15: ffff88809641d538 [ 168.216574][ C1] ? free_thread_stack+0x168/0x590 [ 168.221885][ C1] put_task_stack+0xa3/0x130 [ 168.226673][ C1] finish_task_switch+0x3f1/0x550 [ 168.231728][ C1] __schedule+0x9a8/0xcc0 [ 168.236075][ C1] schedule+0x181/0x210 [ 168.240343][ C1] do_nanosleep+0x1d0/0x6c0 [ 168.244950][ C1] hrtimer_nanosleep+0x3a6/0x5b0 [ 168.249910][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 168.255739][ C1] __x64_sys_nanosleep+0x186/0x1d0 [ 168.261176][ C1] do_syscall_64+0xf7/0x1c0 [ 168.265691][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.271592][ C1] RIP: 0033:0x4593f0 [ 168.275591][ 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 [ 168.295199][ C1] RSP: 002b:00007fff8b66b0a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 168.303622][ C1] RAX: ffffffffffffffda RBX: 000000000000f5bc RCX: 00000000004593f0 [ 168.311597][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff8b66b0b0 [ 168.319663][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000e67940 [ 168.327736][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 168.335707][ C1] R13: 00007fff8b66b100 R14: 000000000000f5b2 R15: 00007fff8b66b110