[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 60.943237][ T27] audit: type=1800 audit(1578453171.252:25): pid=8559 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 60.962218][ T27] audit: type=1800 audit(1578453171.252:26): pid=8559 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 61.005052][ T27] audit: type=1800 audit(1578453171.252:27): pid=8559 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 '10.128.0.5' (ECDSA) to the list of known hosts. 2020/01/08 03:13:04 fuzzer started 2020/01/08 03:13:05 dialing manager at 10.128.0.26:35703 2020/01/08 03:13:05 syscalls: 2824 2020/01/08 03:13:05 code coverage: enabled 2020/01/08 03:13:05 comparison tracing: enabled 2020/01/08 03:13:05 extra coverage: enabled 2020/01/08 03:13:05 setuid sandbox: enabled 2020/01/08 03:13:05 namespace sandbox: enabled 2020/01/08 03:13:05 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:13:05 fault injection: enabled 2020/01/08 03:13:05 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:13:05 net packet injection: enabled 2020/01/08 03:13:05 net device setup: enabled 2020/01/08 03:13:05 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:13:05 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:13:06 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000000080)='io\x00') socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) dup3(r1, r2, 0x0) sendfile(r1, r0, 0x0, 0x3) 03:13:07 executing program 1: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") r1 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_generic(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x2c}}, 0x0) syzkaller login: [ 76.877338][ T8726] IPVS: ftp: loaded support on port[0] = 21 [ 76.951179][ T8728] IPVS: ftp: loaded support on port[0] = 21 03:13:07 executing program 2: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$sock_attach_bpf(r0, 0x1, 0x2f, &(0x7f00000000c0), 0x4) [ 77.033557][ T8726] chnl_net:caif_netlink_parms(): no params data found [ 77.174097][ T8726] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.195138][ T8726] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.203162][ T8726] device bridge_slave_0 entered promiscuous mode [ 77.224659][ T8728] chnl_net:caif_netlink_parms(): no params data found [ 77.235867][ T8726] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.242976][ T8726] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.251459][ T8726] device bridge_slave_1 entered promiscuous mode [ 77.284328][ T8732] IPVS: ftp: loaded support on port[0] = 21 03:13:07 executing program 3: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) listen(r0, 0x4d) r1 = socket$inet_dccp(0x2, 0x6, 0x0) connect$inet(r1, &(0x7f0000e5c000)={0x2, 0x4e20, @loopback=0x7f000002}, 0x10) getsockopt$inet_int(r1, 0x10d, 0xac, &(0x7f0000000140), &(0x7f00000000c0)=0x4) [ 77.333212][ T8726] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.347194][ T8728] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.354284][ T8728] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.375984][ T8728] device bridge_slave_0 entered promiscuous mode [ 77.391552][ T8726] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.419262][ T8728] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.435820][ T8728] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.443687][ T8728] device bridge_slave_1 entered promiscuous mode [ 77.506475][ T8726] team0: Port device team_slave_0 added [ 77.525090][ T8726] team0: Port device team_slave_1 added [ 77.532201][ T8728] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.568910][ T8728] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.610333][ T8728] team0: Port device team_slave_0 added [ 77.627640][ T8728] team0: Port device team_slave_1 added [ 77.637388][ T8734] IPVS: ftp: loaded support on port[0] = 21 03:13:08 executing program 4: r0 = bpf$MAP_CREATE(0x0, &(0x7f00004f9fe4)={0xe, 0x4, 0x4, 0x1}, 0x1e) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000080)={r0, &(0x7f0000000100), &(0x7f0000000040), 0x1}, 0x20) [ 77.667925][ T8726] device hsr_slave_0 entered promiscuous mode [ 77.737138][ T8726] device hsr_slave_1 entered promiscuous mode 03:13:08 executing program 5: socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = semget$private(0x0, 0x1, 0x0) semop(r1, &(0x7f0000000140)=[{0x0, 0x3}], 0x1) semop(r1, &(0x7f0000000000)=[{}], 0x1) semop(r1, &(0x7f0000000080)=[{0x0, 0xfffd}], 0x1) [ 77.937824][ T8728] device hsr_slave_0 entered promiscuous mode [ 77.995633][ T8728] device hsr_slave_1 entered promiscuous mode [ 78.025217][ T8728] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 78.032943][ T8728] Cannot create hsr debugfs directory [ 78.087363][ T8736] IPVS: ftp: loaded support on port[0] = 21 [ 78.101166][ T8732] chnl_net:caif_netlink_parms(): no params data found [ 78.133122][ T8739] IPVS: ftp: loaded support on port[0] = 21 [ 78.196723][ T8732] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.203859][ T8732] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.211961][ T8732] device bridge_slave_0 entered promiscuous mode [ 78.221176][ T8732] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.228369][ T8732] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.236301][ T8732] device bridge_slave_1 entered promiscuous mode [ 78.294762][ T8732] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.341067][ T8732] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.350592][ T8734] chnl_net:caif_netlink_parms(): no params data found [ 78.366718][ T8726] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.449548][ T8728] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 78.512260][ T8726] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.574040][ T8732] team0: Port device team_slave_0 added [ 78.586037][ T8732] team0: Port device team_slave_1 added [ 78.591793][ T8728] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 78.646505][ T8726] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.719243][ T8726] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.794738][ T8728] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 78.869818][ T8728] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 78.977833][ T8732] device hsr_slave_0 entered promiscuous mode [ 79.025416][ T8732] device hsr_slave_1 entered promiscuous mode [ 79.065283][ T8732] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 79.072855][ T8732] Cannot create hsr debugfs directory [ 79.116533][ T8734] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.123667][ T8734] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.132164][ T8734] device bridge_slave_0 entered promiscuous mode [ 79.140368][ T8734] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.147542][ T8734] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.155372][ T8734] device bridge_slave_1 entered promiscuous mode [ 79.201587][ T8734] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.210858][ T8736] chnl_net:caif_netlink_parms(): no params data found [ 79.250505][ T8734] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.290165][ T8736] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.297536][ T8736] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.308392][ T8736] device bridge_slave_0 entered promiscuous mode [ 79.317971][ T8736] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.325235][ T8736] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.332897][ T8736] device bridge_slave_1 entered promiscuous mode [ 79.359687][ T8734] team0: Port device team_slave_0 added [ 79.371606][ T8739] chnl_net:caif_netlink_parms(): no params data found [ 79.404397][ T8734] team0: Port device team_slave_1 added [ 79.433983][ T8736] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.445495][ T8736] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.456017][ T8732] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 79.537889][ T8734] device hsr_slave_0 entered promiscuous mode [ 79.575493][ T8734] device hsr_slave_1 entered promiscuous mode [ 79.615996][ T8734] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 79.623619][ T8734] Cannot create hsr debugfs directory [ 79.644921][ T8736] team0: Port device team_slave_0 added [ 79.668947][ T8732] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 79.729688][ T8736] team0: Port device team_slave_1 added [ 79.763403][ T8732] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 79.821704][ T8732] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 79.936919][ T8736] device hsr_slave_0 entered promiscuous mode [ 79.975635][ T8736] device hsr_slave_1 entered promiscuous mode [ 80.025165][ T8736] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 80.025198][ T8736] Cannot create hsr debugfs directory [ 80.049376][ T8726] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.080541][ T8728] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.118129][ T8739] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.126486][ T8739] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.134048][ T8739] device bridge_slave_0 entered promiscuous mode [ 80.155897][ T8739] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.162976][ T8739] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.175382][ T8739] device bridge_slave_1 entered promiscuous mode [ 80.188188][ T8726] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.209347][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 80.218170][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.236990][ T8734] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 80.277387][ T8734] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 80.322430][ T8728] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.334034][ T8739] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.347203][ T8739] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.367538][ T8734] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 80.428379][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 80.436194][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.468736][ T8739] team0: Port device team_slave_0 added [ 80.478576][ T8734] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 80.537694][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 80.546518][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.554799][ T2927] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.561964][ T2927] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.569992][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 80.579570][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.587979][ T2927] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.595058][ T2927] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.602524][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 80.611556][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.620344][ T2927] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.627453][ T2927] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.634917][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 80.643965][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.652330][ T2927] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.659380][ T2927] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.667489][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 80.675919][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 80.684305][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 80.694090][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 80.702395][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 80.710513][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 80.723515][ T8739] team0: Port device team_slave_1 added [ 80.729404][ T8736] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 80.790883][ T8736] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 80.837127][ T8736] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 80.890822][ T8736] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 80.918402][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 80.926975][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.018094][ T8739] device hsr_slave_0 entered promiscuous mode [ 81.056713][ T8739] device hsr_slave_1 entered promiscuous mode [ 81.125160][ T8739] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 81.132731][ T8739] Cannot create hsr debugfs directory [ 81.138911][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.146956][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 81.155771][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.164210][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 81.174478][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.183196][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 81.193433][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.202099][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 81.210577][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.220057][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.227822][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 81.236276][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.248871][ T8728] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 81.260496][ T8728] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 81.291932][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 81.302322][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.310930][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 81.319237][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.327477][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 81.343564][ T8726] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 81.403661][ T8732] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.422382][ T8728] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 81.431099][ T2928] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 81.439327][ T2928] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 81.481191][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 81.488914][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 81.497648][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 81.505417][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.533776][ T8732] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.547446][ T8726] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 81.562437][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 81.571245][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 81.602833][ T8728] device veth0_vlan entered promiscuous mode [ 81.615160][ T8739] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 81.637769][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 81.646670][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.655240][ T2740] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.662286][ T2740] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.669958][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 81.679158][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.687548][ T2740] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.694591][ T2740] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.702337][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 81.711210][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 81.719366][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 81.728612][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 81.736712][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 81.744292][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 81.762360][ T8736] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.779517][ T8739] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 81.827504][ T8739] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 81.879142][ T8728] device veth1_vlan entered promiscuous mode [ 81.893546][ T8734] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.908100][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 81.916458][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 81.925537][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 81.933935][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.943366][ T8739] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 82.041513][ T8734] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.052444][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 82.061440][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 82.069599][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 82.079455][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 82.088450][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.096408][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.104097][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 82.112881][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.121392][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.129359][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.137543][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 82.146080][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.157607][ T8736] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.184312][ T8726] device veth0_vlan entered promiscuous mode [ 82.197168][ T8732] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 82.213487][ T8732] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.222102][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 82.231729][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.242747][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 82.251696][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.260151][ T2688] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.267239][ T2688] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.274794][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 82.283333][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 82.291511][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 82.300749][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.309170][ T2688] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.316236][ T2688] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.330682][ T8726] device veth1_vlan entered promiscuous mode [ 82.348122][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 82.356630][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 82.364331][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 82.372758][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 187.404977][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 187.411747][ C0] rcu: 0-...!: (10499 ticks this GP) idle=0fe/1/0x4000000000000002 softirq=15447/15447 fqs=41 [ 187.422330][ C0] (t=10501 jiffies g=7481 q=80) [ 187.427258][ C0] rcu: rcu_preempt kthread starved for 10420 jiffies! g7481 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 187.438341][ C0] rcu: RCU grace-period kthread stack dump: [ 187.444214][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 187.452802][ C0] Call Trace: [ 187.456097][ C0] __schedule+0x9a0/0xcc0 [ 187.460423][ C0] schedule+0x181/0x210 [ 187.464578][ C0] schedule_timeout+0x14f/0x240 [ 187.469420][ C0] ? run_local_timers+0x120/0x120 [ 187.474435][ C0] rcu_gp_kthread+0xed8/0x1770 [ 187.479194][ C0] kthread+0x332/0x350 [ 187.483250][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 187.488377][ C0] ? kthread_blkcg+0xe0/0xe0 [ 187.492955][ C0] ret_from_fork+0x24/0x30 [ 187.497371][ C0] NMI backtrace for cpu 0 [ 187.501689][ C0] CPU: 0 PID: 2688 Comm: kworker/0:5 Not tainted 5.5.0-rc5-syzkaller #0 [ 187.509995][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 187.520054][ C0] Workqueue: events linkwatch_event [ 187.525238][ C0] Call Trace: [ 187.528510][ C0] [ 187.531366][ C0] dump_stack+0x1fb/0x318 [ 187.535685][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 187.540519][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 187.546659][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 187.552717][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 187.558884][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 187.564770][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 187.569891][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 187.575086][ C0] ? trace_hardirqs_off+0x74/0x80 [ 187.580103][ C0] update_process_times+0x12d/0x180 [ 187.585294][ C0] tick_sched_timer+0x263/0x420 [ 187.590262][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 187.595796][ C0] __hrtimer_run_queues+0x403/0x840 [ 187.601000][ C0] hrtimer_interrupt+0x38c/0xda0 [ 187.605946][ C0] ? debug_smp_processor_id+0x9/0x20 [ 187.611245][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 187.616804][ C0] apic_timer_interrupt+0xf/0x20 [ 187.621745][ C0] [ 187.624684][ C0] RIP: 0010:free_thread_stack+0x18b/0x590 [ 187.630400][ C0] Code: 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 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 1b 94 6a 00 48 8b 1b e9 82 ff ff ff e8 be 2b 2e [ 187.649998][ C0] RSP: 0018:ffffc9000716f700 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 187.658399][ C0] RAX: 1ffff110148d44e1 RBX: ffff8880a46a2708 RCX: ffff8880a00522c0 [ 187.666376][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00025bfb00 [ 187.674348][ C0] RBP: ffffc9000716f738 R08: 000000000003a728 R09: fffffbfff124248a [ 187.682306][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a46a27a0 [ 187.690358][ C0] R13: dffffc0000000000 R14: 1ffff110148d44f4 R15: ffff888090ebd578 [ 187.698345][ C0] put_task_stack+0xa3/0x130 [ 187.703094][ C0] finish_task_switch+0x3f1/0x550 [ 187.708124][ C0] __schedule+0x9a8/0xcc0 [ 187.712457][ C0] ? ___preempt_schedule+0x16/0x18 [ 187.717582][ C0] preempt_schedule+0xdb/0x120 [ 187.722347][ C0] ___preempt_schedule+0x16/0x18 [ 187.727281][ C0] ? vprintk_emit+0x2fe/0x3a0 [ 187.731951][ C0] ? vprintk_emit+0x368/0x3a0 [ 187.736647][ C0] vprintk_emit+0x36d/0x3a0 [ 187.741150][ C0] vprintk_default+0x28/0x30 [ 187.745731][ C0] vprintk_func+0x158/0x170 [ 187.750224][ C0] printk+0x62/0x8d [ 187.754024][ C0] ? addrconf_notify+0xd37/0x3c90 [ 187.759041][ C0] ? addrconf_notify+0x779/0x3c90 [ 187.764059][ C0] addrconf_notify+0x2c8d/0x3c90 [ 187.769085][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 187.774382][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 187.780722][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 187.786823][ C0] ? trace_hardirqs_on+0x74/0x80 [ 187.791763][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 187.797145][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 187.802727][ C0] ? tls_dev_event+0x619/0xc00 [ 187.807488][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 187.813030][ C0] ? ip6mr_device_event+0x1ee/0x210 [ 187.818241][ C0] raw_notifier_call_chain+0xec/0x190 [ 187.823620][ C0] netdev_state_change+0x147/0x1f0 [ 187.829613][ C0] linkwatch_do_dev+0x10e/0x160 [ 187.834456][ C0] __linkwatch_run_queue+0x446/0x730 [ 187.839740][ C0] linkwatch_event+0x4c/0x60 [ 187.844407][ C0] process_one_work+0x7ef/0x10d0 [ 187.849359][ C0] worker_thread+0xc01/0x1630 [ 187.854052][ C0] kthread+0x332/0x350 [ 187.858109][ C0] ? rcu_lock_release+0x30/0x30 [ 187.862950][ C0] ? kthread_blkcg+0xe0/0xe0 [ 187.868319][ C0] ret_from_fork+0x24/0x30