Warning: Permanently added '10.128.0.40' (ECDSA) to the list of known hosts. 2020/01/08 10:57:51 fuzzer started 2020/01/08 10:57:53 dialing manager at 10.128.0.26:35703 2020/01/08 10:57:53 syscalls: 2824 2020/01/08 10:57:53 code coverage: enabled 2020/01/08 10:57:53 comparison tracing: enabled 2020/01/08 10:57:53 extra coverage: enabled 2020/01/08 10:57:53 setuid sandbox: enabled 2020/01/08 10:57:53 namespace sandbox: enabled 2020/01/08 10:57:53 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 10:57:53 fault injection: enabled 2020/01/08 10:57:53 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 10:57:53 net packet injection: enabled 2020/01/08 10:57:53 net device setup: enabled 2020/01/08 10:57:53 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 10:57:53 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:57:54 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptmx\x00', 0x1, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000041c0)=[{{0x0, 0x0, &(0x7f0000000280)=[{0x0}], 0x1}}], 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) writev(r0, &(0x7f00000023c0), 0x1000000000000252) 10:57:55 executing program 1: bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x8, 0x4, &(0x7f0000000000)=@framed={{}, [@call={0x61, 0x11, 0x38}]}, &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f0000000200)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 62.492371][ T8591] IPVS: ftp: loaded support on port[0] = 21 10:57:55 executing program 2: r0 = syz_open_dev$sndtimer(&(0x7f0000000080)='/dev/snd/timer\x00', 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_SELECT(r0, 0x40345410, &(0x7f0000000040)={{0x100000001}}) ioctl$SNDRV_TIMER_IOCTL_START(r0, 0x54a0) ioctl$SNDRV_TIMER_IOCTL_CONTINUE(r0, 0x54a2) [ 62.649333][ T8591] chnl_net:caif_netlink_parms(): no params data found [ 62.675963][ T8593] IPVS: ftp: loaded support on port[0] = 21 [ 62.707397][ T8591] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.716811][ T8591] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.726054][ T8591] device bridge_slave_0 entered promiscuous mode [ 62.736619][ T8591] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.744817][ T8591] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.752934][ T8591] device bridge_slave_1 entered promiscuous mode [ 62.795080][ T8591] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.817215][ T8591] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.903838][ T8591] team0: Port device team_slave_0 added [ 62.913447][ T8591] team0: Port device team_slave_1 added [ 62.945904][ T8593] chnl_net:caif_netlink_parms(): no params data found [ 62.956442][ T8597] IPVS: ftp: loaded support on port[0] = 21 10:57:55 executing program 3: unshare(0x400) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000733000)={0x5, 0x100000001, 0x1, 0x200000000000009}, 0x2c) r1 = bpf$MAP_CREATE(0x0, &(0x7f00004f9fe4)={0xc, 0x4, 0x4, 0x100000001, 0x0, r0}, 0x1c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r1, 0x0, 0x0, 0x5}, 0x20) [ 63.033899][ T8591] device hsr_slave_0 entered promiscuous mode [ 63.092479][ T8591] device hsr_slave_1 entered promiscuous mode [ 63.168226][ T8593] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.179605][ T8593] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.187531][ T8593] device bridge_slave_0 entered promiscuous mode [ 63.207085][ T8599] IPVS: ftp: loaded support on port[0] = 21 10:57:55 executing program 4: r0 = socket(0x1e, 0x1, 0x0) bind(r0, &(0x7f0000d80f80)=@generic={0x1e, "0103000000000000000000000000000009a979f321b30c7bc8790405c7bad62e0a43a632ed4938d36d73fb8f8401a3ff59829a2b0afe7ce43a4b2470a0c5216669ca021f6f65dcf160e7e58f358c0002f0000158d19bcb31f1314a8ef151622ca5bdb9c8ead2000077aeb81c90001d6d7c980ee590c8b9f70dc136cb184a"}, 0x80) r1 = socket(0x1e, 0x5, 0x0) connect$tipc(r1, &(0x7f0000000000)=@name, 0x10) [ 63.239178][ T8593] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.248465][ T8593] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.256727][ T8593] device bridge_slave_1 entered promiscuous mode [ 63.329354][ T8593] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.361987][ T8593] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.432513][ T8593] team0: Port device team_slave_0 added [ 63.479616][ T8593] team0: Port device team_slave_1 added [ 63.492079][ T8591] netdevsim netdevsim0 netdevsim0: renamed from eth0 10:57:56 executing program 5: r0 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r0, &(0x7f0000000140)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x4e1e, @rand_addr=0xdd}}, 0x24) recvmmsg(0xffffffffffffffff, &(0x7f0000005c40)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)=""/189, 0xbd}}], 0x1, 0x0, 0x0) sendmmsg(r0, &(0x7f0000005c00)=[{{0x0, 0xfffffffffffffd95, 0x0, 0x0, &(0x7f00000001c0)=ANY=[@ANYBLOB="1800000000000000100100000100000005e8000000000000e458c598ba4904c77813ab29fb450a2e834efe3f87695931515781ae36a4d148f269399022f544be4fac9508cce4df4d7015eb590bbfb45e2584f446722053f1502598808b355f7b815bdb2281145dd688759944bd09b0f55e7ca54b07bd9189de8daeb173aca360f4bca4f5019235efcea227e56f94ddc8d5e02f38fdcdad2e5cc22b1f090ecf60605f3d912967"], 0x18}}], 0x1, 0x0) recvmmsg(r0, &(0x7f0000000800)=[{{0x0, 0x0, 0x0}}], 0x4000000000005cd, 0x42, 0x0) [ 63.575007][ T8591] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.588216][ T8602] IPVS: ftp: loaded support on port[0] = 21 [ 63.642768][ T8591] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.691284][ T8591] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.782009][ T8593] device hsr_slave_0 entered promiscuous mode [ 63.819846][ T8593] device hsr_slave_1 entered promiscuous mode [ 63.859627][ T8593] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.867465][ T8593] Cannot create hsr debugfs directory [ 63.881382][ T8604] IPVS: ftp: loaded support on port[0] = 21 [ 63.902328][ T8597] chnl_net:caif_netlink_parms(): no params data found [ 63.995382][ T8597] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.003656][ T8597] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.012394][ T8597] device bridge_slave_0 entered promiscuous mode [ 64.020844][ T8599] chnl_net:caif_netlink_parms(): no params data found [ 64.031064][ T8597] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.038134][ T8597] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.046158][ T8597] device bridge_slave_1 entered promiscuous mode [ 64.135033][ T8597] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.158492][ T8599] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.165975][ T8599] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.173613][ T8599] device bridge_slave_0 entered promiscuous mode [ 64.195675][ T8599] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.202871][ T8599] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.212960][ T8599] device bridge_slave_1 entered promiscuous mode [ 64.220919][ T8597] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.246428][ T8597] team0: Port device team_slave_0 added [ 64.254632][ T8597] team0: Port device team_slave_1 added [ 64.351400][ T8597] device hsr_slave_0 entered promiscuous mode [ 64.389771][ T8597] device hsr_slave_1 entered promiscuous mode [ 64.429628][ T8597] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.437203][ T8597] Cannot create hsr debugfs directory [ 64.451016][ T8599] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.463011][ T8591] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.471912][ T8593] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.534805][ T8599] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.547266][ T8593] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 64.594124][ T8593] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 64.655119][ T8602] chnl_net:caif_netlink_parms(): no params data found [ 64.687342][ T8593] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 64.787147][ T8591] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.798099][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.808068][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.820485][ T8599] team0: Port device team_slave_0 added [ 64.838571][ T8602] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.846982][ T8602] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.857010][ T8602] device bridge_slave_0 entered promiscuous mode [ 64.866878][ T8602] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.874187][ T8602] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.882123][ T8602] device bridge_slave_1 entered promiscuous mode [ 64.900267][ T8602] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.914845][ T8599] team0: Port device team_slave_1 added [ 64.928766][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.940657][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.952768][ T3016] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.960125][ T3016] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.974671][ T8602] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.993640][ T8604] chnl_net:caif_netlink_parms(): no params data found [ 65.013987][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.022468][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.031382][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.040675][ T2673] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.047721][ T2673] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.057727][ T8602] team0: Port device team_slave_0 added [ 65.066744][ T8602] team0: Port device team_slave_1 added [ 65.082603][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.152808][ T8599] device hsr_slave_0 entered promiscuous mode [ 65.192568][ T8599] device hsr_slave_1 entered promiscuous mode [ 65.229665][ T8599] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.237285][ T8599] Cannot create hsr debugfs directory [ 65.247899][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.256703][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.265403][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.301874][ T8602] device hsr_slave_0 entered promiscuous mode [ 65.359934][ T8602] device hsr_slave_1 entered promiscuous mode [ 65.399628][ T8602] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.407257][ T8602] Cannot create hsr debugfs directory [ 65.429242][ T8604] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.438437][ T8604] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.446619][ T8604] device bridge_slave_0 entered promiscuous mode [ 65.455039][ T8604] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.462166][ T8604] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.470455][ T8604] device bridge_slave_1 entered promiscuous mode [ 65.478261][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.486174][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.494734][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.556527][ T8591] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.569038][ T8591] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.585471][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.594414][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.603054][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.613559][ T2739] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.622241][ T8597] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 65.672351][ T8597] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.717221][ T8604] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.729753][ T8604] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.745785][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.755326][ T8597] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.792207][ T8597] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.866957][ T8604] team0: Port device team_slave_0 added [ 65.892326][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.899919][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.908434][ T8604] team0: Port device team_slave_1 added [ 65.946431][ T8591] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.973763][ T8604] device hsr_slave_0 entered promiscuous mode [ 66.049954][ T8604] device hsr_slave_1 entered promiscuous mode [ 66.089750][ T8604] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.097350][ T8604] Cannot create hsr debugfs directory [ 66.113292][ T8593] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.155360][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.164600][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.182364][ T8593] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.198374][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.209301][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.239564][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.248182][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.257265][ T3006] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.264516][ T3006] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.272684][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.281377][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.289801][ T3006] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.296867][ T3006] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.304463][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.313201][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.321837][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.331531][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.365747][ T8591] device veth0_vlan entered promiscuous mode [ 66.373492][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.384513][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.392458][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.400702][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.408838][ T8599] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 66.452082][ T8591] device veth1_vlan entered promiscuous mode [ 66.459372][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.467896][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.476451][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.484407][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.493055][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.501629][ T8599] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 66.531218][ T8602] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 66.581946][ T8597] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.596874][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.610454][ T3016] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.619238][ T8599] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 66.652867][ T8602] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 66.694073][ T8602] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 66.753408][ T8602] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 66.815509][ T8599] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 66.861487][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.870037][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.878375][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.886652][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.894948][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.905060][ T8593] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.920382][ T8597] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.948860][ T8604] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 66.991304][ T8604] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 67.056166][ T8604] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 67.081293][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.099917][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.121569][ T2673] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.128636][ T2673] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.137175][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.146365][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.155479][ T2673] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.162556][ T2673] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.170890][ T2673] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.184768][ T8593] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.201530][ T8604] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 67.251228][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.259081][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 172.289415][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 172.296311][ C0] rcu: 0-...!: (1 GPs behind) idle=56a/1/0x4000000000000002 softirq=13629/13635 fqs=41 [ 172.306278][ C0] (t=10501 jiffies g=6609 q=84) [ 172.311387][ C0] rcu: rcu_preempt kthread starved for 10420 jiffies! g6609 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 172.322468][ C0] rcu: RCU grace-period kthread stack dump: [ 172.328343][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 172.336243][ C0] Call Trace: [ 172.339532][ C0] __schedule+0x9a0/0xcc0 [ 172.343860][ C0] schedule+0x181/0x210 [ 172.348006][ C0] schedule_timeout+0x14f/0x240 [ 172.352846][ C0] ? run_local_timers+0x120/0x120 [ 172.357863][ C0] rcu_gp_kthread+0xed8/0x1770 [ 172.362626][ C0] kthread+0x332/0x350 [ 172.366694][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 172.371792][ C0] ? kthread_blkcg+0xe0/0xe0 [ 172.376385][ C0] ret_from_fork+0x24/0x30 [ 172.380802][ C0] NMI backtrace for cpu 0 [ 172.385133][ C0] CPU: 0 PID: 3006 Comm: kworker/0:68 Not tainted 5.5.0-rc5-syzkaller #0 [ 172.394045][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.404102][ C0] Workqueue: events linkwatch_event [ 172.409383][ C0] Call Trace: [ 172.412654][ C0] [ 172.415499][ C0] dump_stack+0x1fb/0x318 [ 172.419821][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 172.424658][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 172.430798][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 172.436853][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 172.442823][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 172.448700][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 172.453806][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 172.458995][ C0] ? trace_hardirqs_off+0x74/0x80 [ 172.464008][ C0] update_process_times+0x12d/0x180 [ 172.469193][ C0] tick_sched_timer+0x263/0x420 [ 172.474031][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 172.479578][ C0] __hrtimer_run_queues+0x403/0x840 [ 172.484795][ C0] hrtimer_interrupt+0x38c/0xda0 [ 172.489736][ C0] ? debug_smp_processor_id+0x9/0x20 [ 172.495009][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 172.500555][ C0] apic_timer_interrupt+0xf/0x20 [ 172.505487][ C0] [ 172.508416][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 172.514469][ C0] Code: e5 53 48 89 fb e8 13 00 00 00 48 8b 3d f4 f4 ed 07 48 89 de e8 84 f4 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 <65> 8b 15 38 5f 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 83 [ 172.534075][ C0] RSP: 0018:ffffc9000881f6c8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 172.542490][ C0] RAX: ffffffff814896c6 RBX: ffffea000257e600 RCX: ffff88809e5fe440 [ 172.550460][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000257e600 [ 172.558418][ C0] RBP: ffffc9000881f6f0 R08: dffffc0000000000 R09: fffffbfff124248a [ 172.566380][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88808cf92aa0 [ 172.574338][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88808d84d8b8 [ 172.582447][ C0] ? mod_memcg_page_state+0x16/0x190 [ 172.587738][ C0] ? free_thread_stack+0x124/0x590 [ 172.592838][ C0] ? mod_memcg_page_state+0x16/0x190 [ 172.598124][ C0] free_thread_stack+0x168/0x590 [ 172.603054][ C0] put_task_stack+0xa3/0x130 [ 172.607634][ C0] finish_task_switch+0x3f1/0x550 [ 172.612665][ C0] __schedule+0x9a8/0xcc0 [ 172.616995][ C0] ? ___preempt_schedule+0x16/0x18 [ 172.622093][ C0] preempt_schedule+0xdb/0x120 [ 172.626842][ C0] ___preempt_schedule+0x16/0x18 [ 172.631766][ C0] ? vprintk_emit+0x2fe/0x3a0 [ 172.636429][ C0] ? vprintk_emit+0x368/0x3a0 [ 172.641097][ C0] vprintk_emit+0x36d/0x3a0 [ 172.645601][ C0] vprintk_default+0x28/0x30 [ 172.650177][ C0] vprintk_func+0x158/0x170 [ 172.654670][ C0] printk+0x62/0x8d [ 172.658468][ C0] ? addrconf_notify+0xb6b/0x3c90 [ 172.663476][ C0] ? addrconf_notify+0x779/0x3c90 [ 172.668489][ C0] addrconf_notify+0x2c8d/0x3c90 [ 172.673509][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 172.678778][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 172.684138][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 172.689691][ C0] ? trace_hardirqs_on+0x74/0x80 [ 172.694643][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 172.700033][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 172.705591][ C0] ? tls_dev_event+0x619/0xc00 [ 172.710352][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 172.716020][ C0] ? ip6mr_device_event+0x1ee/0x210 [ 172.721225][ C0] raw_notifier_call_chain+0xec/0x190 [ 172.726634][ C0] netdev_state_change+0x147/0x1f0 [ 172.731749][ C0] linkwatch_do_dev+0x10e/0x160 [ 172.736633][ C0] __linkwatch_run_queue+0x446/0x730 [ 172.741926][ C0] linkwatch_event+0x4c/0x60 [ 172.746512][ C0] process_one_work+0x7ef/0x10d0 [ 172.751458][ C0] worker_thread+0xc01/0x1630 [ 172.756148][ C0] kthread+0x332/0x350 [ 172.760254][ C0] ? rcu_lock_release+0x30/0x30 [ 172.765111][ C0] ? kthread_blkcg+0xe0/0xe0 [ 172.769718][ C0] ret_from_fork+0x24/0x30