[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 51.328433][ T27] audit: type=1800 audit(1578457596.746:25): pid=8526 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.348876][ T27] audit: type=1800 audit(1578457596.746:26): pid=8526 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 51.389755][ T27] audit: type=1800 audit(1578457596.746:27): pid=8526 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 '10.128.10.28' (ECDSA) to the list of known hosts. 2020/01/08 04:26:45 fuzzer started 2020/01/08 04:26:47 dialing manager at 10.128.0.26:35703 2020/01/08 04:26:47 syscalls: 2824 2020/01/08 04:26:47 code coverage: enabled 2020/01/08 04:26:47 comparison tracing: enabled 2020/01/08 04:26:47 extra coverage: enabled 2020/01/08 04:26:47 setuid sandbox: enabled 2020/01/08 04:26:47 namespace sandbox: enabled 2020/01/08 04:26:47 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 04:26:47 fault injection: enabled 2020/01/08 04:26:47 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 04:26:47 net packet injection: enabled 2020/01/08 04:26:47 net device setup: enabled 2020/01/08 04:26:47 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 04:26:47 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:26:48 executing program 0: r0 = socket$inet_sctp(0x2, 0x5, 0x84) sendmmsg$inet_sctp(r0, &(0x7f0000004b00)=[{&(0x7f0000000000)=@in={0x2, 0x0, @dev}, 0x10, &(0x7f0000000100)=[{&(0x7f0000000040)='!', 0x1}], 0x1}], 0x1, 0x0) r1 = socket$inet_sctp(0x2, 0x1, 0x84) getsockopt$inet_sctp_SCTP_MAX_BURST(r1, 0x84, 0xd, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000200)={r2}, 0xc) 04:26:48 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) move_pages(0x0, 0x266, &(0x7f0000000040), 0x0, &(0x7f00000000c0), 0x0) syzkaller login: [ 63.487758][ T8693] IPVS: ftp: loaded support on port[0] = 21 04:26:49 executing program 2: bind$inet(0xffffffffffffffff, &(0x7f0000000000)={0x2, 0x0, @local}, 0x10) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000000), &(0x7f0000000480)}, 0x20) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r0, &(0x7f0000000100), &(0x7f0000000080)}, 0x20) bpf$MAP_GET_NEXT_KEY(0x4, &(0x7f0000000080)={r0, 0x0, &(0x7f00000003c0)=""/140}, 0x18) bpf$MAP_GET_NEXT_KEY(0x4, &(0x7f0000000180)={r0, &(0x7f00000003c0), &(0x7f0000000200)=""/208}, 0x18) [ 63.670052][ T8695] IPVS: ftp: loaded support on port[0] = 21 [ 63.710712][ T8693] chnl_net:caif_netlink_parms(): no params data found [ 63.820953][ T8693] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.848095][ T8693] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.856360][ T8693] device bridge_slave_0 entered promiscuous mode [ 63.910158][ T8693] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.917992][ T8693] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.925919][ T8693] device bridge_slave_1 entered promiscuous mode 04:26:49 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000600)={'bridge_slave_1\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="cc000000240007051500"/20, @ANYRES32=r2, @ANYBLOB="00000000ffffffff00000000090001006e6574656d0000004c000200000000000000000000000000000000000000000024000500200001000000000000000b0000000000000000000c0003000000000000000000000001006874620000000600000005000000000007030500000000007eff02000300000000000000000000000000000000008d1300000500000000000000050000000000000002000300000000000071981c14f500000000000000000000000000000300040000000000000000000000000000000000002000000000"], 0xcc}}, 0x0) [ 63.954399][ T8698] IPVS: ftp: loaded support on port[0] = 21 [ 63.985732][ T8695] chnl_net:caif_netlink_parms(): no params data found [ 64.012064][ T8693] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.048112][ T8693] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.150605][ T8693] team0: Port device team_slave_0 added [ 64.157567][ T8695] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.164722][ T8695] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.177313][ T8695] device bridge_slave_0 entered promiscuous mode [ 64.191403][ T8693] team0: Port device team_slave_1 added 04:26:49 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet6_MRT6_DEL_MFC_PROXY(0xffffffffffffffff, 0x29, 0xd3, &(0x7f0000001000)={{0xa, 0x0, 0x0, @empty}, {0xa, 0x0, 0x800000204000, @loopback}, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x5]}, 0x5c) setsockopt$inet_int(r0, 0x0, 0x40, &(0x7f0000000ffc), 0x4) [ 64.229647][ T8695] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.236754][ T8695] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.249689][ T8695] device bridge_slave_1 entered promiscuous mode [ 64.330174][ T8693] device hsr_slave_0 entered promiscuous mode [ 64.379599][ T8693] device hsr_slave_1 entered promiscuous mode [ 64.453268][ T8695] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.472258][ T8702] IPVS: ftp: loaded support on port[0] = 21 [ 64.473575][ T8704] IPVS: ftp: loaded support on port[0] = 21 [ 64.496111][ T8698] chnl_net:caif_netlink_parms(): no params data found 04:26:49 executing program 5: io_setup(0x200, &(0x7f0000000180)=0x0) r1 = memfd_create(&(0x7f0000000000)=':\x00', 0x0) io_submit(r0, 0x1, &(0x7f0000000140)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, r1, 0x0}]) io_getevents(r0, 0x0, 0x1, &(0x7f0000d83f60)=[{}], 0x0) [ 64.516009][ T8695] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.583304][ T8695] team0: Port device team_slave_0 added [ 64.598136][ T8695] team0: Port device team_slave_1 added [ 64.706731][ T8698] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.714626][ T8698] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.722819][ T8698] device bridge_slave_0 entered promiscuous mode [ 64.790224][ T8695] device hsr_slave_0 entered promiscuous mode [ 64.847383][ T8695] device hsr_slave_1 entered promiscuous mode [ 64.897346][ T8695] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.905249][ T8695] Cannot create hsr debugfs directory [ 64.925129][ T8698] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.932601][ T8698] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.940687][ T8698] device bridge_slave_1 entered promiscuous mode [ 64.964940][ T8698] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.987530][ T8698] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.006646][ T8706] IPVS: ftp: loaded support on port[0] = 21 [ 65.094334][ T8698] team0: Port device team_slave_0 added [ 65.122134][ T8702] chnl_net:caif_netlink_parms(): no params data found [ 65.133165][ T8698] team0: Port device team_slave_1 added [ 65.139994][ T8693] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.212093][ T8693] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.271661][ T8693] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.379469][ T8698] device hsr_slave_0 entered promiscuous mode [ 65.417477][ T8698] device hsr_slave_1 entered promiscuous mode [ 65.457415][ T8698] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.465563][ T8698] Cannot create hsr debugfs directory [ 65.472089][ T8693] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.598779][ T8704] chnl_net:caif_netlink_parms(): no params data found [ 65.624077][ T8702] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.631574][ T8702] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.639689][ T8702] device bridge_slave_0 entered promiscuous mode [ 65.651757][ T8702] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.659392][ T8702] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.669010][ T8702] device bridge_slave_1 entered promiscuous mode [ 65.721490][ T8695] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 65.801777][ T8695] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 65.861507][ T8702] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.872522][ T8702] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.896092][ T8695] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 65.944767][ T8695] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.042726][ T8702] team0: Port device team_slave_0 added [ 66.066864][ T8704] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.075214][ T8704] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.083681][ T8704] device bridge_slave_0 entered promiscuous mode [ 66.102787][ T8698] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.149963][ T8702] team0: Port device team_slave_1 added [ 66.155806][ T8698] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.210525][ T8698] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.270393][ T8698] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.329600][ T8704] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.336714][ T8704] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.346123][ T8704] device bridge_slave_1 entered promiscuous mode [ 66.380819][ T8706] chnl_net:caif_netlink_parms(): no params data found [ 66.439994][ T8702] device hsr_slave_0 entered promiscuous mode [ 66.477612][ T8702] device hsr_slave_1 entered promiscuous mode [ 66.547189][ T8702] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.554789][ T8702] Cannot create hsr debugfs directory [ 66.588496][ T8704] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.613608][ T8704] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.635958][ T8704] team0: Port device team_slave_0 added [ 66.673465][ T8704] team0: Port device team_slave_1 added [ 66.706367][ T8706] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.713996][ T8706] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.721993][ T8706] device bridge_slave_0 entered promiscuous mode [ 66.735229][ T8693] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.800270][ T8704] device hsr_slave_0 entered promiscuous mode [ 66.837519][ T8704] device hsr_slave_1 entered promiscuous mode [ 66.887144][ T8704] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.894971][ T8704] Cannot create hsr debugfs directory [ 66.904572][ T8706] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.911838][ T8706] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.921215][ T8706] device bridge_slave_1 entered promiscuous mode [ 66.938112][ T8693] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.973674][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.982490][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.991857][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.000910][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.009385][ T2690] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.016542][ T2690] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.025934][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.034744][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.043302][ T2690] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.050384][ T2690] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.058203][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.067552][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.119442][ T8695] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.129756][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.150120][ T2694] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.162962][ T2694] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.173142][ T8706] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.213349][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.221526][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.229862][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.239762][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.248547][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.257744][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.267044][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.277714][ T8706] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.293725][ T8695] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.301467][ T8702] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.352749][ T8702] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.432423][ T2694] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.444017][ T2694] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.455137][ T2694] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.463930][ T2694] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.472683][ T2694] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.479797][ T2694] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.492557][ T8702] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.540584][ T8702] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 67.592037][ T8693] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.605893][ T2694] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.615530][ T2694] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.625143][ T2694] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.634414][ T2694] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.641546][ T2694] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.652453][ T8706] team0: Port device team_slave_0 added [ 67.661647][ T8706] team0: Port device team_slave_1 added [ 67.720441][ T8706] device hsr_slave_0 entered promiscuous mode [ 67.767539][ T8706] device hsr_slave_1 entered promiscuous mode [ 67.807508][ T8706] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.815602][ T8706] Cannot create hsr debugfs directory [ 67.846551][ T2694] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.863838][ T8704] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 67.920309][ T8704] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 67.973746][ T8704] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.033690][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.058512][ T8693] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.066225][ T8704] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.135383][ T8698] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.143177][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.152560][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.161255][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.170482][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.179445][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.220738][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.232694][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.254018][ T8698] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.279116][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.286834][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.296754][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.305998][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.314800][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.323363][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.356009][ T8702] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.380312][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.391985][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.400920][ T2689] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.408059][ T2689] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.415655][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.424721][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.441800][ T8695] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.470093][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.479876][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.489122][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.497584][ T2689] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.504750][ T2689] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.513152][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.521640][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.530148][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.538662][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.547574][ T8693] device veth0_vlan entered promiscuous mode [ 68.562146][ T8702] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.569679][ T8706] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.619899][ T8706] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.680319][ T8706] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.729403][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.738367][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.746149][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.754563][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.774515][ T8693] device veth1_vlan entered promiscuous mode [ 68.790044][ T8706] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 68.883886][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.892216][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.901580][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.911358][ T26] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.918479][ T26] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.926050][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.936158][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.945552][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.953649][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.979070][ T8704] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.988620][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.996732][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.004866][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.012934][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.021941][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.030602][ T2690] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.038049][ T2690] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.045789][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.054977][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.068036][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.081217][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.090519][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.113966][ T8704] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.135498][ T8698] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.162617][ T8698] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.177655][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.185433][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.194020][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.203162][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.214517][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.223769][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.232913][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.253330][ T8695] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.277438][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.288068][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.296675][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.326024][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.336358][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.346304][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.353816][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.362421][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.371231][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.380574][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.387994][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.396687][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.413690][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.473652][ T8704] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.484457][ T8704] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.531922][ T8704] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 174.356954][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 174.363952][ C0] rcu: 0-...!: (10499 ticks this GP) idle=b32/1/0x4000000000000002 softirq=12203/12203 fqs=9 [ 174.374529][ C0] (t=10501 jiffies g=7717 q=229) [ 174.379559][ C0] rcu: rcu_preempt kthread starved for 10484 jiffies! g7717 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 174.390928][ C0] rcu: RCU grace-period kthread stack dump: [ 174.396812][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 174.405751][ C0] Call Trace: [ 174.409042][ C0] __schedule+0x9a0/0xcc0 [ 174.413381][ C0] schedule+0x181/0x210 [ 174.417532][ C0] schedule_timeout+0x14f/0x240 [ 174.422373][ C0] ? run_local_timers+0x120/0x120 [ 174.427401][ C0] rcu_gp_kthread+0xed8/0x1770 [ 174.432166][ C0] kthread+0x332/0x350 [ 174.436229][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 174.441327][ C0] ? kthread_blkcg+0xe0/0xe0 [ 174.445904][ C0] ret_from_fork+0x24/0x30 [ 174.450325][ C0] NMI backtrace for cpu 0 [ 174.454647][ C0] CPU: 0 PID: 8662 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 174.462430][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.472486][ C0] Call Trace: [ 174.475760][ C0] [ 174.478606][ C0] dump_stack+0x1fb/0x318 [ 174.482928][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 174.487940][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 174.494083][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 174.500155][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 174.506131][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 174.512024][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 174.517133][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 174.522326][ C0] ? trace_hardirqs_off+0x74/0x80 [ 174.527341][ C0] update_process_times+0x12d/0x180 [ 174.532542][ C0] tick_sched_timer+0x263/0x420 [ 174.537388][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 174.543085][ C0] __hrtimer_run_queues+0x403/0x840 [ 174.548569][ C0] hrtimer_interrupt+0x38c/0xda0 [ 174.553519][ C0] ? debug_smp_processor_id+0x9/0x20 [ 174.558813][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 174.564390][ C0] apic_timer_interrupt+0xf/0x20 [ 174.569311][ C0] [ 174.572241][ C0] RIP: 0010:free_thread_stack+0x16d/0x590 [ 174.577949][ C0] Code: 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 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 39 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 174.597541][ C0] RSP: 0018:ffffc90001d57b10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 174.606288][ C0] RAX: ffffffff814897d3 RBX: ffff888097b1fb08 RCX: ffff8880a46e01c0 [ 174.614245][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000268df80 [ 174.622203][ C0] RBP: ffffc90001d57b48 R08: dffffc0000000000 R09: fffffbfff124248a [ 174.630161][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff888097b1fba0 [ 174.638207][ C0] R13: dffffc0000000000 R14: 1ffff11012f63f74 R15: ffff888094a45578 [ 174.646179][ C0] ? mod_memcg_page_state+0x123/0x190 [ 174.651548][ C0] put_task_stack+0xa3/0x130 [ 174.656126][ C0] finish_task_switch+0x3f1/0x550 [ 174.661143][ C0] __schedule+0x9a8/0xcc0 [ 174.665469][ C0] schedule+0x181/0x210 [ 174.669618][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 174.675677][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 174.681476][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 174.686837][ C0] ep_poll+0xa4d/0xe80 [ 174.690905][ C0] ? do_task_dead+0xc0/0xc0 [ 174.695397][ C0] ? __kasan_check_read+0x11/0x20 [ 174.700415][ C0] do_epoll_wait+0x1ee/0x260 [ 174.705012][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 174.710031][ C0] do_syscall_64+0xf7/0x1c0 [ 174.714551][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.720629][ C0] RIP: 0033:0x7f5007e7e943 [ 174.725055][ C0] 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 [ 174.745525][ C0] RSP: 002b:00007ffdbf889af8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 174.753930][ C0] RAX: ffffffffffffffda RBX: 0000000001a1b250 RCX: 00007f5007e7e943 [ 174.761902][ C0] RDX: 0000000000000004 RSI: 00007ffdbf889bc0 RDI: 0000000000000007 [ 174.769864][ C0] RBP: 0000000000625500 R08: 00007ffdbf889ae0 R09: 00007ffdbf9bc0b8 [ 174.777823][ C0] R10: 000000000000ee42 R11: 0000000000000246 R12: 0000000001a2bfe0 [ 174.785787][ C0] R13: 00007ffdbf88ac17 R14: 0000000000000005 R15: 0000000001a1b250