Warning: Permanently added '10.128.15.237' (ECDSA) to the list of known hosts. 2019/12/03 20:06:34 fuzzer started 2019/12/03 20:06:35 dialing manager at 10.128.0.26:42111 2019/12/03 20:06:36 syscalls: 2689 2019/12/03 20:06:36 code coverage: enabled 2019/12/03 20:06:36 comparison tracing: enabled 2019/12/03 20:06:36 extra coverage: extra coverage is not supported by the kernel 2019/12/03 20:06:36 setuid sandbox: enabled 2019/12/03 20:06:36 namespace sandbox: enabled 2019/12/03 20:06:36 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 20:06:36 fault injection: enabled 2019/12/03 20:06:36 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 20:06:36 net packet injection: enabled 2019/12/03 20:06:36 net device setup: enabled 2019/12/03 20:06:36 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 20:06:36 devlink PCI setup: PCI device 0000:00:10.0 is not available 20:06:37 executing program 0: clone(0x4000010006dfd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = syz_open_procfs(0x0, &(0x7f0000000140)='uid_map\x00') r1 = gettid() tkill(r1, 0x40020000000c) write$P9_RREADDIR(r0, 0x0, 0x0) 20:06:37 executing program 1: r0 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000140)={'syz_tun\x00', 0x0}) setsockopt$packet_add_memb(r0, 0x107, 0x1, &(0x7f0000001300)={r1, 0x3, 0x6, @dev}, 0x10) r2 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000140)={'syz_tun\x00', 0x0}) setsockopt$packet_add_memb(r2, 0x107, 0x1, &(0x7f0000001300)={r3, 0x3, 0x6}, 0x10) r4 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000140)={'syz_tun\x00', 0x0}) setsockopt$packet_add_memb(r4, 0x107, 0x1, &(0x7f0000001300)={r5, 0x3, 0x6}, 0x10) syzkaller login: [ 62.257756][ T8204] IPVS: ftp: loaded support on port[0] = 21 20:06:37 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 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, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f0000000300)='.\x00', 0x0, 0x0) symlinkat(&(0x7f0000000040)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', r0, &(0x7f00000000c0)='./file0\x00') [ 62.395125][ T8206] IPVS: ftp: loaded support on port[0] = 21 [ 62.403213][ T8204] chnl_net:caif_netlink_parms(): no params data found [ 62.500150][ T8204] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.507254][ T8204] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.521200][ T8204] device bridge_slave_0 entered promiscuous mode [ 62.530750][ T8204] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.537818][ T8204] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.546658][ T8204] device bridge_slave_1 entered promiscuous mode [ 62.578438][ T8209] IPVS: ftp: loaded support on port[0] = 21 [ 62.587419][ T8204] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.605183][ T8204] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.643247][ T8204] team0: Port device team_slave_0 added [ 62.665684][ T8204] team0: Port device team_slave_1 added 20:06:37 executing program 3: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYBLOB="3c0000001000010500"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000001c0012000c00010062726964676500000c0002000800170000000000"], 0x3c}}, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup3(r0, r1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket(0x10, 0x80002, 0x0) sendmmsg$alg(r3, &(0x7f0000000140)=[{0x0, 0x0, &(0x7f0000000100), 0x0, &(0x7f0000000100)}], 0x492492492492805, 0x0) [ 62.813445][ T8204] device hsr_slave_0 entered promiscuous mode [ 62.860136][ T8204] device hsr_slave_1 entered promiscuous mode 20:06:37 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) unshare(0x2040400) splice(0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x903a, 0x0) [ 62.945760][ T8206] chnl_net:caif_netlink_parms(): no params data found [ 62.977798][ T8212] IPVS: ftp: loaded support on port[0] = 21 20:06:38 executing program 5: mkdir(&(0x7f00000002c0)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000140)='devtmpfs\x00', 0x0, 0x0) chdir(&(0x7f0000000040)='./file0\x00') r0 = open(&(0x7f0000000040)='.\x00', 0x0, 0x0) r1 = dup(r0) getdents(r1, &(0x7f0000000080)=""/112, 0x70) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = fcntl$dupfd(r2, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) getdents64(r0, &(0x7f0000000100)=""/79, 0x1000001b3) [ 63.164604][ T8204] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.212207][ T8204] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.284108][ T8206] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.291251][ T8206] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.299073][ T8206] device bridge_slave_0 entered promiscuous mode [ 63.306855][ T8206] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.314518][ T8206] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.322255][ T8206] device bridge_slave_1 entered promiscuous mode [ 63.334902][ T8209] chnl_net:caif_netlink_parms(): no params data found [ 63.349071][ T8204] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.414530][ T8204] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.502443][ T8215] IPVS: ftp: loaded support on port[0] = 21 [ 63.506888][ T8204] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.515525][ T8204] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.523291][ T8204] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.530372][ T8204] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.549152][ T8217] IPVS: ftp: loaded support on port[0] = 21 [ 63.573096][ T2728] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.581235][ T2728] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.595514][ T8206] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.606514][ T8206] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.665252][ T8209] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.673829][ T8209] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.681797][ T8209] device bridge_slave_0 entered promiscuous mode [ 63.689229][ T8212] chnl_net:caif_netlink_parms(): no params data found [ 63.714914][ T8206] team0: Port device team_slave_0 added [ 63.723119][ T8206] team0: Port device team_slave_1 added [ 63.728881][ T8209] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.736489][ T8209] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.744498][ T8209] device bridge_slave_1 entered promiscuous mode [ 63.789287][ T8209] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.801607][ T8209] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.861898][ T8206] device hsr_slave_0 entered promiscuous mode [ 63.910195][ T8206] device hsr_slave_1 entered promiscuous mode [ 63.979848][ T8206] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.001896][ T8212] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.009174][ T8212] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.017266][ T8212] device bridge_slave_0 entered promiscuous mode [ 64.025747][ T8212] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.032958][ T8212] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.040768][ T8212] device bridge_slave_1 entered promiscuous mode [ 64.057605][ T8212] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.073803][ T8209] team0: Port device team_slave_0 added [ 64.086454][ T8204] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.095946][ T8212] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.124132][ T8209] team0: Port device team_slave_1 added [ 64.178875][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.188132][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.205731][ T8206] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.255329][ T8206] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 64.303556][ T8206] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 64.374983][ T8212] team0: Port device team_slave_0 added [ 64.381096][ T8217] chnl_net:caif_netlink_parms(): no params data found [ 64.390983][ T8212] team0: Port device team_slave_1 added [ 64.432475][ T8209] device hsr_slave_0 entered promiscuous mode [ 64.500186][ T8209] device hsr_slave_1 entered promiscuous mode [ 64.539826][ T8209] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.552918][ T8206] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 64.624785][ T8204] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.648268][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.657476][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.666056][ T44] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.673281][ T44] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.762859][ T8212] device hsr_slave_0 entered promiscuous mode [ 64.800150][ T8212] device hsr_slave_1 entered promiscuous mode [ 64.859884][ T8212] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.898232][ T8217] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.905530][ T8217] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.915527][ T8217] device bridge_slave_0 entered promiscuous mode [ 64.926052][ T8217] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.933292][ T8217] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.941051][ T8217] device bridge_slave_1 entered promiscuous mode [ 64.955658][ T8218] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.964286][ T8218] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.973443][ T8218] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.980550][ T8218] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.988448][ T8215] chnl_net:caif_netlink_parms(): no params data found [ 65.031183][ T8217] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.052378][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.077764][ T8212] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 65.142742][ T8217] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.163258][ T2728] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.172567][ T2728] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.181457][ T2728] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.189737][ T2728] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.198253][ T2728] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.206914][ T2728] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.220607][ T8209] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 65.271248][ T8212] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 65.342509][ T8212] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 65.385732][ T8212] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 65.439299][ T8204] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.452872][ T8204] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.469789][ T8209] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.514482][ T8209] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.582377][ T8217] team0: Port device team_slave_0 added [ 65.588191][ T8209] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.633031][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.641381][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.650288][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.658484][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.667208][ T3012] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.676110][ T8215] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.685170][ T8215] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.693131][ T8215] device bridge_slave_0 entered promiscuous mode [ 65.701282][ T8215] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.708337][ T8215] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.716265][ T8215] device bridge_slave_1 entered promiscuous mode [ 65.726244][ T8217] team0: Port device team_slave_1 added [ 65.773139][ T8215] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.785110][ T8215] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.832836][ T8217] device hsr_slave_0 entered promiscuous mode [ 65.871163][ T8217] device hsr_slave_1 entered promiscuous mode [ 65.919845][ T8217] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.947992][ T8206] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.968354][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.978489][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.006867][ T8215] team0: Port device team_slave_0 added [ 66.016194][ T8215] team0: Port device team_slave_1 added [ 66.028177][ T8204] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.047762][ T8217] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 66.142561][ T8215] device hsr_slave_0 entered promiscuous mode [ 66.190108][ T8215] device hsr_slave_1 entered promiscuous mode [ 66.229967][ T8215] debugfs: Directory 'hsr0' with parent '/' already present! [ 66.241329][ T8217] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 66.273502][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.282858][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.292944][ T8206] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.324818][ T8217] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 66.386899][ T8217] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 66.468423][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.496944][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 171.509669][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 171.516688][ C1] (detected by 1, t=10502 jiffies, g=6449, q=114) [ 171.523195][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294954294-4294943791), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 171.540633][ C1] kworker/1:1 R running task 27240 44 2 0x80004008 [ 171.548550][ C1] Workqueue: events linkwatch_event [ 171.554705][ C1] Call Trace: [ 171.557991][ C1] [ 171.560853][ C1] sched_show_task+0x40f/0x560 [ 171.565637][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 171.571006][ C1] update_process_times+0x12d/0x180 [ 171.576213][ C1] tick_sched_timer+0x263/0x420 [ 171.581051][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 171.586585][ C1] __hrtimer_run_queues+0x403/0x840 [ 171.591784][ C1] hrtimer_interrupt+0x38c/0xda0 [ 171.596726][ C1] ? debug_smp_processor_id+0x9/0x20 [ 171.602037][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 171.608766][ C1] apic_timer_interrupt+0xf/0x20 [ 171.613688][ C1] [ 171.616907][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 171.623375][ C1] Code: 64 02 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 <83> fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 8b 89 84 [ 171.644182][ C1] RSP: 0018:ffffc90000f076f8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 171.652667][ C1] RAX: ffffffff81486ea4 RBX: ffffea0002a39e80 RCX: ffff8880a99aa480 [ 171.660626][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002a39e80 [ 171.668683][ C1] RBP: ffffc90000f07738 R08: 000000000003a768 R09: ffffed1012399e9f [ 171.677249][ C1] R10: ffffed1012399e9f R11: 0000000000000000 R12: ffff88809382bb20 [ 171.685426][ C1] R13: dffffc0000000000 R14: 1ffff11012705764 R15: ffff888091ccf4e8 [ 171.693398][ C1] ? free_thread_stack+0x124/0x590 [ 171.698587][ C1] ? free_thread_stack+0x124/0x590 [ 171.703689][ C1] put_task_stack+0xa3/0x130 [ 171.708478][ C1] finish_task_switch+0x3f1/0x550 [ 171.713670][ C1] __schedule+0x9a8/0xcc0 [ 171.718171][ C1] ? ___preempt_schedule+0x16/0x18 [ 171.723363][ C1] preempt_schedule+0xdb/0x120 [ 171.728383][ C1] ___preempt_schedule+0x16/0x18 [ 171.733342][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 171.739336][ C1] ? vprintk_emit+0x368/0x3a0 [ 171.744094][ C1] vprintk_emit+0x36d/0x3a0 [ 171.749069][ C1] vprintk_default+0x28/0x30 [ 171.753909][ C1] vprintk_func+0x158/0x170 [ 171.758404][ C1] printk+0x62/0x8d [ 171.762496][ C1] ? addrconf_notify+0xd37/0x3c90 [ 171.767520][ C1] ? addrconf_notify+0x779/0x3c90 [ 171.772541][ C1] addrconf_notify+0x2c8d/0x3c90 [ 171.777484][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 171.784166][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 171.789549][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 171.795120][ C1] ? trace_hardirqs_on+0x74/0x80 [ 171.800118][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 171.805478][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 171.811007][ C1] ? tls_dev_event+0x619/0xc00 [ 171.815763][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 171.821302][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 171.827709][ C1] raw_notifier_call_chain+0xec/0x190 [ 171.833076][ C1] netdev_state_change+0x147/0x1f0 [ 171.838179][ C1] linkwatch_do_dev+0x10e/0x160 [ 171.843018][ C1] __linkwatch_run_queue+0x446/0x730 [ 171.848297][ C1] linkwatch_event+0x4c/0x60 [ 171.852873][ C1] process_one_work+0x7ef/0x10d0 [ 171.857812][ C1] worker_thread+0xc01/0x1630 [ 171.862496][ C1] kthread+0x332/0x350 [ 171.866555][ C1] ? rcu_lock_release+0x30/0x30 [ 171.871392][ C1] ? kthread_blkcg+0xe0/0xe0 [ 171.875973][ C1] ret_from_fork+0x24/0x30 [ 171.880393][ C1] rcu: rcu_preempt kthread starved for 10539 jiffies! g6449 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 171.891475][ C1] rcu: RCU grace-period kthread stack dump: [ 171.897361][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 171.905432][ C1] Call Trace: [ 171.908716][ C1] __schedule+0x9a0/0xcc0 [ 171.913045][ C1] schedule+0x181/0x210 [ 171.917371][ C1] schedule_timeout+0x14f/0x240 [ 171.922214][ C1] ? run_local_timers+0x120/0x120 [ 171.927229][ C1] rcu_gp_kthread+0xed8/0x1770 [ 171.931988][ C1] kthread+0x332/0x350 [ 171.936040][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 171.941222][ C1] ? kthread_blkcg+0xe0/0xe0 [ 171.945803][ C1] ret_from_fork+0x24/0x30