Warning: Permanently added '10.128.15.216' (ECDSA) to the list of known hosts. 2019/12/03 04:51:23 fuzzer started 2019/12/03 04:51:25 dialing manager at 10.128.0.26:38907 2019/12/03 04:51:25 syscalls: 2697 2019/12/03 04:51:25 code coverage: enabled 2019/12/03 04:51:25 comparison tracing: enabled 2019/12/03 04:51:25 extra coverage: extra coverage is not supported by the kernel 2019/12/03 04:51:25 setuid sandbox: enabled 2019/12/03 04:51:25 namespace sandbox: enabled 2019/12/03 04:51:25 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 04:51:25 fault injection: enabled 2019/12/03 04:51:25 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 04:51:25 net packet injection: enabled 2019/12/03 04:51:25 net device setup: enabled 2019/12/03 04:51:25 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 04:51:25 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:51:26 executing program 0: clone(0x10000007f6, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) rt_sigtimedwait(&(0x7f0000000040), 0x0, 0x0, 0x8) r0 = getpid() rt_sigsuspend(&(0x7f0000000340), 0x8) ptrace(0x10, r0) ptrace$cont(0x420b, r0, 0x8, 0x20008000) 04:51:26 executing program 1: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) perf_event_open(&(0x7f0000000040)={0x2, 0x62, 0xeb, 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, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sendmsg$nl_netfilter(r0, &(0x7f0000d65000)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000200)={0x14, 0xc, 0x6, 0xffffffffffffffff}, 0x14}}, 0x0) syzkaller login: [ 52.653202][ T7995] IPVS: ftp: loaded support on port[0] = 21 [ 52.797253][ T7995] chnl_net:caif_netlink_parms(): no params data found [ 52.843418][ T7995] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.853195][ T7995] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.861608][ T7995] device bridge_slave_0 entered promiscuous mode [ 52.873060][ T7995] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.880698][ T7995] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.889917][ T7995] device bridge_slave_1 entered promiscuous mode [ 52.914087][ T7995] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.926714][ T7995] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.949327][ T7998] IPVS: ftp: loaded support on port[0] = 21 [ 52.951799][ T7995] team0: Port device team_slave_0 added 04:51:26 executing program 2: setrlimit(0x40000000000008, &(0x7f00000000c0)={0x4847, 0xfffffffffffff001}) mlock2(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x0) r0 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setresuid(0x0, r1, 0x0) mlock(&(0x7f0000ffd000/0x3000)=nil, 0x3000) [ 52.966869][ T7995] team0: Port device team_slave_1 added [ 53.029103][ T7995] device hsr_slave_0 entered promiscuous mode [ 53.086234][ T7995] device hsr_slave_1 entered promiscuous mode [ 53.155378][ T8000] IPVS: ftp: loaded support on port[0] = 21 04:51:26 executing program 3: r0 = socket(0x22, 0x2, 0x4) setsockopt$CAN_RAW_FILTER(r0, 0x65, 0x1, &(0x7f0000000000)=[{{0x0, 0x0, 0x0, 0x1}}], 0x8) [ 53.207302][ T7995] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.256605][ T7995] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.310412][ T7995] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.368592][ T7995] netdevsim netdevsim0 netdevsim3: renamed from eth3 04:51:27 executing program 4: socket$inet_icmp_raw(0x2, 0x3, 0x1) perf_event_open(&(0x7f0000000440)={0x2, 0x52, 0xb8, 0x2, 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_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x2, 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$vcs(0xffffffffffffff9c, 0x0, 0x400000, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_MCAST_JOIN_GROUP(r0, 0x0, 0x2a, &(0x7f0000000340)={0x2, {{0x2, 0x0, @multicast2}}}, 0x88) setsockopt$inet_group_source_req(0xffffffffffffffff, 0x0, 0x2b, &(0x7f0000000680)={0x2, {{0x2, 0x0, @multicast2}}, {{0x2, 0x0, @multicast2}}}, 0x108) r1 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x182) r2 = memfd_create(&(0x7f0000000240)='.^\xc5', 0x0) read(0xffffffffffffffff, &(0x7f0000000080)=""/132, 0x397) pwritev(r2, &(0x7f0000000340)=[{&(0x7f0000000140)='!', 0x1}], 0x1, 0x81805) ioctl$LOOP_CHANGE_FD(r1, 0x4c00, r2) sendfile(r1, r1, 0x0, 0x24000000) bind$inet6(0xffffffffffffffff, 0x0, 0x0) read(0xffffffffffffffff, &(0x7f0000000080)=""/132, 0x397) shutdown(0xffffffffffffffff, 0x0) ioctl$TUNSETSTEERINGEBPF(0xffffffffffffffff, 0x800454e0, &(0x7f0000000180)) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000001740)) prctl$PR_SET_KEEPCAPS(0x8, 0x0) ioctl$LOOP_CLR_FD(r1, 0x4c01) ioctl$LOOP_SET_FD(r1, 0x4c00, r2) [ 53.475724][ T7998] chnl_net:caif_netlink_parms(): no params data found [ 53.484506][ T8002] IPVS: ftp: loaded support on port[0] = 21 [ 53.529662][ T7995] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.536878][ T7995] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.544721][ T7995] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.551858][ T7995] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.659026][ T7998] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.669665][ T8006] IPVS: ftp: loaded support on port[0] = 21 [ 53.675102][ T7998] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.683150][ T7998] device bridge_slave_0 entered promiscuous mode [ 53.708188][ T7998] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.715951][ T7998] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.723935][ T7998] device bridge_slave_1 entered promiscuous mode [ 53.759755][ T7998] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.790015][ T8000] chnl_net:caif_netlink_parms(): no params data found 04:51:27 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000000380)='z\xa6J\x1a\xf0Q>l\xee\x06\x01z`\x1e\xfe\x9a\xfc\xf7\xe7?]\x96J\xa0\x16\xcc\xc5\xcb\xf4\xdd\x1d0\xe5h%|\a\x1b\x14\x11,\xc4\x81\xdf\xc6\xb5E;\x7f\xe7\x17Q\xa48\x14=\xf870\xc4\x19_\xdfG\xad\xf6H\x1b\x90\x1eH\xe3\x87\r\xf5r\xd3d\xb28\xbe#\xdf\xac\x88\x88\x10d\f\x96\xe1\x86\xc0\xc9\xddA\x8dS\xbd\xc4_\x89\xd2\xf27\xea<\x83\xc8\xe9\x9dP\x00T\xefG\xd8\x80)\x89Gu\xfe\x978\xe0\xae\x12\x87\x95{4\xe5\n\bN[S\xfa1\xd5fFS\xe2\xe9\x8f\x14\x831q4\x7f\xb7\x02Pch\x92\xe6\xb6\xe5\x8fk\x91W2\x00\r\xd9S\x8c\x14\xc0/2\xf2\xca\xd1\xf1C\x18\x81\xf8\xacX\xe7\xc3_\x96x\xce2P\n\xc1\x1eZ\xd5\x95\xbc\x887z(\t\x92\x8ff\xe1\xdew\xdaE\xe1\xcd\xd1\xc1w\xef\xddn\xfd\x88v\x15\xc3!\xe3GG\ai\x12\xe0\xa1\xa3\xf5\x8akq\xb5\xff\x1f\xf8', 0x0) pwritev(r1, &(0x7f0000000340)=[{&(0x7f0000000140)='!', 0x1}], 0x1, 0x81805) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = eventfd2(0x0, 0x0) r4 = fcntl$dupfd(r2, 0x0, r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$LOOP_SET_STATUS64(r0, 0x4c04, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x8, "1c69ab0d058b1b678397214eec9ff0d0cc8773ebb2cfd89b0252317a845d3df759d280ad530ff887d31ed8f9bf42b889fadb99a5defc79bd6b2023939c49224f", "e9af2deca424f1d69c3cef2acc10d15cae4da1bf9b1c974dd2de2185a2ae81bbcb58ebaa0b202596b0b84f59798e42bca13b7dd7218fcb5e75d1d7299ff17955", "804c0e6791e9da0c25402952a8dd77a5bf08050500"}) [ 53.801910][ T7998] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.813392][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.821460][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.888814][ T7998] team0: Port device team_slave_0 added [ 53.900935][ T7995] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.928508][ T7998] team0: Port device team_slave_1 added [ 53.956206][ T8000] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.963401][ T8000] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.973205][ T8000] device bridge_slave_0 entered promiscuous mode [ 53.981164][ T8000] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.988292][ T8000] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.996141][ T8000] device bridge_slave_1 entered promiscuous mode [ 54.031119][ T8009] IPVS: ftp: loaded support on port[0] = 21 [ 54.066449][ T7998] device hsr_slave_0 entered promiscuous mode [ 54.115348][ T7998] device hsr_slave_1 entered promiscuous mode [ 54.175263][ T7998] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.187524][ T7995] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.206349][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.214204][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.235367][ T8000] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.247134][ T8000] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.265770][ T8000] team0: Port device team_slave_0 added [ 54.272683][ T8000] team0: Port device team_slave_1 added [ 54.317404][ T8002] chnl_net:caif_netlink_parms(): no params data found [ 54.387402][ T8000] device hsr_slave_0 entered promiscuous mode [ 54.425563][ T8000] device hsr_slave_1 entered promiscuous mode [ 54.465095][ T8000] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.476079][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.484497][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.492958][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.500005][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.508033][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.516661][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.524848][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.531903][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.544796][ T8006] chnl_net:caif_netlink_parms(): no params data found [ 54.605986][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.614484][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.622935][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.631486][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.640005][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.648332][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.656794][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.664869][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.672946][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.681256][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.689909][ T7998] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 54.747673][ T8006] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.754766][ T8006] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.763593][ T8006] device bridge_slave_0 entered promiscuous mode [ 54.776575][ T8002] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.783635][ T8002] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.791531][ T8002] device bridge_slave_0 entered promiscuous mode [ 54.800009][ T7995] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.807891][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.831425][ T7998] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 54.866417][ T8006] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.873490][ T8006] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.881413][ T8006] device bridge_slave_1 entered promiscuous mode [ 54.888716][ T8002] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.896222][ T8002] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.903835][ T8002] device bridge_slave_1 entered promiscuous mode [ 54.942311][ T7998] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 54.981882][ T7998] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 55.061399][ T8002] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.074212][ T8002] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.106981][ T8002] team0: Port device team_slave_0 added [ 55.114629][ T8002] team0: Port device team_slave_1 added [ 55.167423][ T8002] device hsr_slave_0 entered promiscuous mode [ 55.215389][ T8002] device hsr_slave_1 entered promiscuous mode [ 55.255180][ T8002] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.264226][ T8006] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.274796][ T8009] chnl_net:caif_netlink_parms(): no params data found [ 55.300059][ T8000] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 55.347650][ T8000] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 55.398756][ T8000] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 55.450862][ T8000] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 55.487600][ T8006] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.523280][ T8006] team0: Port device team_slave_0 added [ 55.533358][ T3694] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.541281][ T3694] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.556909][ T7995] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.572529][ T8006] team0: Port device team_slave_1 added [ 55.595844][ T8009] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.602961][ T8009] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.610997][ T8009] device bridge_slave_0 entered promiscuous mode [ 55.619273][ T8009] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.627313][ T8009] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.635216][ T8009] device bridge_slave_1 entered promiscuous mode [ 55.665130][ T8009] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.681626][ T8009] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.705705][ T8009] team0: Port device team_slave_0 added [ 55.747992][ T8006] device hsr_slave_0 entered promiscuous mode [ 55.795433][ T8006] device hsr_slave_1 entered promiscuous mode [ 55.835100][ T8006] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.846650][ T8009] team0: Port device team_slave_1 added [ 55.858154][ T8002] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 55.907487][ T8002] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 160.944943][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 160.951965][ C1] (detected by 1, t=10502 jiffies, g=5725, q=126) [ 160.958487][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953253-4294942750), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 160.973608][ C1] kworker/u4:4 R running task 27384 222 2 0x80004008 [ 160.982000][ C1] Workqueue: 0x0 (events_unbound) [ 160.987106][ C1] Call Trace: [ 160.991514][ C1] [ 160.994732][ C1] sched_show_task+0x40f/0x560 [ 160.999527][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 161.005624][ C1] update_process_times+0x12d/0x180 [ 161.010817][ C1] tick_sched_timer+0x263/0x420 [ 161.015657][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 161.021194][ C1] __hrtimer_run_queues+0x403/0x840 [ 161.026414][ C1] hrtimer_interrupt+0x38c/0xda0 [ 161.031374][ C1] ? debug_smp_processor_id+0x9/0x20 [ 161.036673][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 161.044572][ C1] apic_timer_interrupt+0xf/0x20 [ 161.049498][ C1] [ 161.052431][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x48/0x50 [ 161.058576][ C1] Code: 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 13 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 3a 0f 1f 80 00 00 00 00 4c 8b 04 24 65 48 8b 04 25 c0 1d 02 00 65 [ 161.080605][ C1] RSP: 0018:ffffc90001947c28 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 161.089185][ C1] RAX: ffffffff81486ea4 RBX: ffffea00028e3380 RCX: ffff8880a920e200 [ 161.097409][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00028e3380 [ 161.105374][ C1] RBP: ffffc90001947c68 R08: 000000000003a768 R09: ffffed1013f6f2e7 [ 161.113602][ C1] R10: ffffed1013f6f2e7 R11: 0000000000000000 R12: ffff88808fac8a20 [ 161.126660][ C1] R13: dffffc0000000000 R14: 1ffff11011f59144 R15: ffff88809fb79728 [ 161.138340][ C1] ? free_thread_stack+0x124/0x590 [ 161.143452][ C1] ? free_thread_stack+0x124/0x590 [ 161.149875][ C1] put_task_stack+0xa3/0x130 [ 161.156280][ C1] finish_task_switch+0x3f1/0x550 [ 161.163040][ C1] __schedule+0x9a8/0xcc0 [ 161.167456][ C1] schedule+0x181/0x210 [ 161.172859][ C1] worker_thread+0x10d6/0x1630 [ 161.178229][ C1] kthread+0x332/0x350 [ 161.183011][ C1] ? rcu_lock_release+0x30/0x30 [ 161.188419][ C1] ? kthread_blkcg+0xe0/0xe0 [ 161.193028][ C1] ret_from_fork+0x24/0x30 [ 161.197451][ C1] rcu: rcu_preempt kthread starved for 10527 jiffies! g5725 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 161.210224][ C1] rcu: RCU grace-period kthread stack dump: [ 161.216125][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 161.224021][ C1] Call Trace: [ 161.227314][ C1] __schedule+0x9a0/0xcc0 [ 161.231643][ C1] schedule+0x181/0x210 [ 161.236311][ C1] schedule_timeout+0x14f/0x240 [ 161.242376][ C1] ? run_local_timers+0x120/0x120 [ 161.247393][ C1] rcu_gp_kthread+0xed8/0x1770 [ 161.252159][ C1] kthread+0x332/0x350 [ 161.256219][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 161.261321][ C1] ? kthread_blkcg+0xe0/0xe0 [ 161.266657][ C1] ret_from_fork+0x24/0x30