Warning: Permanently added '10.128.15.197' (ECDSA) to the list of known hosts. 2019/12/03 02:58:19 fuzzer started 2019/12/03 02:58:20 dialing manager at 10.128.0.26:38907 2019/12/03 02:58:20 syscalls: 2697 2019/12/03 02:58:20 code coverage: enabled 2019/12/03 02:58:20 comparison tracing: enabled 2019/12/03 02:58:20 extra coverage: extra coverage is not supported by the kernel 2019/12/03 02:58:20 setuid sandbox: enabled 2019/12/03 02:58:20 namespace sandbox: enabled 2019/12/03 02:58:20 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 02:58:20 fault injection: enabled 2019/12/03 02:58:20 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 02:58:20 net packet injection: enabled 2019/12/03 02:58:20 net device setup: enabled 2019/12/03 02:58:20 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 02:58:20 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:58:21 executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f00007d9fc8)={0x0, 0x0, &(0x7f0000a40000)={&(0x7f00000001c0)=@acquire={0x128, 0x17, 0x1, 0x0, 0x0, {{@in6=@loopback}, @in, {@in6=@mcast1, @in=@multicast2}, {{@in6=@remote, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0xa}, {}, {}, 0x0, 0x0, 0xe53817d66c9d3558}}}, 0x128}}, 0x0) 02:58:21 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$IPVS_CMD_SET_CONFIG(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000100)=ANY=[@ANYBLOB="a4000000", @ANYRES16=0x0, @ANYBLOB="000000000000000000000c00000014000100080001000000000008000100000000002c000100080008000000000008000b007369700085fc090000000000080005000000000008000900000000001e01030008000400000000001400020069705f7674693000000000000000000014000600fe8000000000000000000000000000aa140002006272696467655f736c6176655f300000080001"], 0x3}}, 0x0) vmsplice(r3, &(0x7f00000000c0)=[{&(0x7f0000000180)="77690addcfbe1fbb66ec", 0xff3b}], 0x1, 0x1) close(r3) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000006800)={&(0x7f0000000180)=ANY=[@ANYBLOB="280000001d00"], 0x1}}, 0x0) splice(r2, 0x0, r3, 0x0, 0x100000000, 0x0) syzkaller login: [ 58.820703][ T8311] IPVS: ftp: loaded support on port[0] = 21 [ 59.004156][ T8311] chnl_net:caif_netlink_parms(): no params data found [ 59.004603][ T8314] IPVS: ftp: loaded support on port[0] = 21 02:58:22 executing program 2: perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000000)={'syz'}, &(0x7f00000002c0)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a91877b5ea0bdc9e158bd830000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce0000b4ec24c53d3d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725560a6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x49c, 0xfffffffffffffffe) r1 = add_key$keyring(&(0x7f0000000580)='keyring\x00', &(0x7f0000000280)={'syz', 0x2}, 0x0, 0x0, 0xffffffffffffffff) r2 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz', 0x1}, &(0x7f0000000100)="cf", 0x1, r1) keyctl$dh_compute(0x17, &(0x7f0000000180)={r2, r0, r2}, &(0x7f0000000440)=""/243, 0x389, &(0x7f0000000080)={&(0x7f0000000240)={'crc32c-intel\x00\x03\x00\x00\x00\x00\x00\x01\x00'}}) [ 59.091867][ T8311] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.101939][ T8311] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.112076][ T8311] device bridge_slave_0 entered promiscuous mode [ 59.144331][ T8311] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.151434][ T8311] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.174628][ T8311] device bridge_slave_1 entered promiscuous mode [ 59.246483][ T8311] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.270880][ T8311] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.297513][ T8314] chnl_net:caif_netlink_parms(): no params data found [ 59.324423][ T8317] IPVS: ftp: loaded support on port[0] = 21 02:58:22 executing program 3: getpriority(0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x28000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000002c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xfffffffffffdffff, 0xffffffffffffffff, 0x0) syz_open_dev$usbfs(0x0, 0x0, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = inotify_init() inotify_add_watch(r1, &(0x7f0000000080)='.\x00', 0xfe) r2 = socket$unix(0x1, 0x1, 0x0) bind$unix(r2, &(0x7f00000001c0)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x56) r3 = accept4$inet(0xffffffffffffffff, &(0x7f0000000000)={0x2, 0x0, @multicast1}, &(0x7f0000000140)=0x10, 0x80000) ioctl$sock_inet_SIOCSARP(r3, 0x8955, &(0x7f0000000200)={{0x2, 0x4e23, @rand_addr=0x6}, {0x1, @remote}, 0x20, {0x2, 0x4e21, @multicast1}, 'bridge_slave_1\x00'}) ptrace$setsig(0x4203, 0x0, 0x0, &(0x7f0000000080)={0x26, 0x906}) sendmsg$nl_generic(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000040)={0x28, 0x23, 0x1, 0x0, 0x0, {0x20000000004, 0xe00000000000000}, [@typed={0x14, 0xc, @ipv6=@ipv4={[], [], @empty}}]}, 0x28}}, 0x0) [ 59.347064][ T8311] team0: Port device team_slave_0 added [ 59.358688][ T8311] team0: Port device team_slave_1 added [ 59.436952][ T8314] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.454641][ T8314] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.472314][ T8314] device bridge_slave_0 entered promiscuous mode 02:58:22 executing program 4: r0 = syz_open_dev$video(&(0x7f0000000140)='/dev/video#\x00', 0x0, 0x0) ioctl$VIDIOC_TRY_FMT(r0, 0x40045612, &(0x7f0000000180)={0x1, @vbi}) [ 59.575291][ T8311] device hsr_slave_0 entered promiscuous mode [ 59.633589][ T8311] device hsr_slave_1 entered promiscuous mode [ 59.695739][ T8314] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.704117][ T8314] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.712033][ T8314] device bridge_slave_1 entered promiscuous mode [ 59.775578][ T8321] IPVS: ftp: loaded support on port[0] = 21 [ 59.783540][ T8319] IPVS: ftp: loaded support on port[0] = 21 [ 59.794870][ T8314] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 02:58:22 executing program 5: prlimit64(0x0, 0x6, &(0x7f0000000280), 0x0) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) [ 59.823621][ T8314] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.847370][ T8311] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.912347][ T8311] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.970895][ T8314] team0: Port device team_slave_0 added [ 59.978005][ T8311] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.026233][ T8311] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.093176][ T8314] team0: Port device team_slave_1 added [ 60.141247][ T8323] IPVS: ftp: loaded support on port[0] = 21 [ 60.265299][ T8314] device hsr_slave_0 entered promiscuous mode [ 60.303184][ T8314] device hsr_slave_1 entered promiscuous mode [ 60.352838][ T8314] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.362993][ T8317] chnl_net:caif_netlink_parms(): no params data found [ 60.396309][ T8321] chnl_net:caif_netlink_parms(): no params data found [ 60.466285][ T8317] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.473850][ T8317] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.481610][ T8317] device bridge_slave_0 entered promiscuous mode [ 60.511564][ T8321] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.523925][ T8321] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.531623][ T8321] device bridge_slave_0 entered promiscuous mode [ 60.541494][ T8321] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.548693][ T8321] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.556698][ T8321] device bridge_slave_1 entered promiscuous mode [ 60.564664][ T8317] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.571717][ T8317] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.579597][ T8317] device bridge_slave_1 entered promiscuous mode [ 60.618121][ T8319] chnl_net:caif_netlink_parms(): no params data found [ 60.633683][ T8314] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.686945][ T8317] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.698681][ T8321] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.709787][ T8321] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.734537][ T8314] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.786023][ T8317] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.826086][ T8314] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.881669][ T8317] team0: Port device team_slave_0 added [ 60.891811][ T8321] team0: Port device team_slave_0 added [ 60.904074][ T8321] team0: Port device team_slave_1 added [ 60.910192][ T8319] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.917769][ T8319] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.926358][ T8319] device bridge_slave_0 entered promiscuous mode [ 60.934218][ T8314] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.987371][ T8317] team0: Port device team_slave_1 added [ 60.999320][ T8319] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.008448][ T8319] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.016884][ T8319] device bridge_slave_1 entered promiscuous mode [ 61.070194][ T8319] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.144766][ T8321] device hsr_slave_0 entered promiscuous mode [ 61.183152][ T8321] device hsr_slave_1 entered promiscuous mode [ 61.232819][ T8321] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.248698][ T8319] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.305686][ T8317] device hsr_slave_0 entered promiscuous mode [ 61.353035][ T8317] device hsr_slave_1 entered promiscuous mode [ 61.392788][ T8317] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.435643][ T8319] team0: Port device team_slave_0 added [ 61.443583][ T8319] team0: Port device team_slave_1 added [ 61.449501][ T8323] chnl_net:caif_netlink_parms(): no params data found [ 61.464075][ T8311] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.501054][ T8311] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.517524][ T8321] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.548861][ T8321] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.599115][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.607934][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.626538][ T8317] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.715712][ T8319] device hsr_slave_0 entered promiscuous mode [ 61.753199][ T8319] device hsr_slave_1 entered promiscuous mode [ 61.812971][ T8319] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.820689][ T8321] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.877722][ T8321] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.941784][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.951451][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.960170][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.967466][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.977316][ T8317] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.035015][ T8317] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.120997][ T8328] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.129434][ T8328] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.138674][ T8328] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.147367][ T8328] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.154792][ T8328] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.163455][ T8328] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.172096][ T8317] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 62.254413][ T8323] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.261587][ T8323] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.269340][ T8323] device bridge_slave_0 entered promiscuous mode [ 62.278877][ T8323] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.286313][ T8323] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.294300][ T8323] device bridge_slave_1 entered promiscuous mode [ 62.335864][ T8324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.345899][ T8324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.355170][ T8324] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.377692][ T8323] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.408877][ T8319] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.464602][ T8324] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.472480][ T8324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.481739][ T8324] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.491810][ T8323] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.520100][ T8323] team0: Port device team_slave_0 added [ 62.531629][ T8323] team0: Port device team_slave_1 added [ 62.540159][ T8319] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.576343][ T8319] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.642110][ T8311] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.653209][ T8311] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.668257][ T8314] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.693676][ T8319] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.716146][ T8328] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.726058][ T8328] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.735133][ T8328] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.744802][ T8328] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.754263][ T8328] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.815687][ T8323] device hsr_slave_0 entered promiscuous mode [ 62.863175][ T8323] device hsr_slave_1 entered promiscuous mode [ 62.912825][ T8323] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.930614][ T8328] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.938917][ T8328] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.955874][ T8314] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.984116][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.991660][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.000886][ T8311] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.028209][ T8321] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.042745][ T8328] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.051430][ T8328] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.061780][ T8328] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.068928][ T8328] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.078081][ T8328] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.087613][ T8328] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.096219][ T8328] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.103330][ T8328] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.115245][ T8328] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.136698][ T8323] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 63.196036][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 168.212591][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 168.219585][ C1] (detected by 1, t=10502 jiffies, g=6465, q=91) [ 168.226006][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953954-4294943451), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 168.239362][ C1] syz-executor.0 R running task 27912 8332 8311 0x0000400a [ 168.247299][ C1] Call Trace: [ 168.250585][ C1] [ 168.253437][ C1] sched_show_task+0x40f/0x560 [ 168.258205][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 168.267047][ C1] update_process_times+0x12d/0x180 [ 168.272234][ C1] tick_sched_timer+0x263/0x420 [ 168.277070][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.282605][ C1] __hrtimer_run_queues+0x403/0x840 [ 168.287803][ C1] hrtimer_interrupt+0x38c/0xda0 [ 168.293005][ C1] ? debug_smp_processor_id+0x9/0x20 [ 168.298279][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 168.303825][ C1] apic_timer_interrupt+0xf/0x20 [ 168.308747][ C1] [ 168.311685][ C1] RIP: 0010:free_thread_stack+0x124/0x590 [ 168.317402][ C1] Code: ff 48 c1 e8 06 48 83 e0 c0 48 bf 00 00 00 00 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 06 a2 60 00 e9 5d 04 00 00 e8 5c 2d 2e 00 <48> 89 df 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 43 [ 168.337080][ C1] RSP: 0018:ffffc90002447c70 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 168.345576][ C1] RAX: ffffffff81486ea4 RBX: ffffea00026707c0 RCX: ffff8880a8754140 [ 168.353638][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00026707c0 [ 168.361755][ C1] RBP: ffffc90002447ca8 R08: dffffc0000000000 R09: fffffbfff1287025 [ 168.369732][ C1] R10: fffffbfff1287025 R11: 0000000000000000 R12: ffff888098a7b7a0 [ 168.377717][ C1] R13: dffffc0000000000 R14: 1ffff1101314f6f4 R15: ffff88806bc5d428 [ 168.385720][ C1] ? free_thread_stack+0x124/0x590 [ 168.390843][ C1] put_task_stack+0xa3/0x130 [ 168.395558][ C1] finish_task_switch+0x3f1/0x550 [ 168.400584][ C1] __schedule+0x9a8/0xcc0 [ 168.404924][ C1] ? ___preempt_schedule+0x16/0x18 [ 168.410205][ C1] preempt_schedule+0xdb/0x120 [ 168.414984][ C1] ___preempt_schedule+0x16/0x18 [ 168.419921][ C1] ? do_group_exit+0x2a8/0x2b0 [ 168.424777][ C1] _raw_spin_unlock_irq+0x77/0x80 [ 168.429791][ C1] do_group_exit+0x2a8/0x2b0 [ 168.434377][ C1] __do_sys_exit_group+0x17/0x20 [ 168.439303][ C1] __se_sys_exit_group+0x14/0x20 [ 168.444227][ C1] __x64_sys_exit_group+0x3b/0x40 [ 168.449239][ C1] do_syscall_64+0xf7/0x1c0 [ 168.453740][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.459634][ C1] RIP: 0033:0x45a679 [ 168.463541][ C1] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 168.483264][ C1] RSP: 002b:00007ffef9668ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 168.491669][ C1] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 000000000045a679 [ 168.499629][ C1] RDX: 0000000000414211 RSI: fffffffffffffff7 RDI: 0000000000000000 [ 168.507596][ C1] RBP: 0000000000000000 R08: ffffffffffffffff R09: 00007ffef9668b30 [ 168.515553][ C1] R10: 0000000000760fd8 R11: 0000000000000246 R12: 0000000000000001 [ 168.523510][ C1] R13: 00007ffef9668b30 R14: 0000000000000000 R15: 00007ffef9668b40 [ 168.531494][ C1] rcu: rcu_preempt kthread starved for 10533 jiffies! g6465 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 168.542573][ C1] rcu: RCU grace-period kthread stack dump: [ 168.548452][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 168.556345][ C1] Call Trace: [ 168.559640][ C1] __schedule+0x9a0/0xcc0 [ 168.563964][ C1] schedule+0x181/0x210 [ 168.568109][ C1] schedule_timeout+0x14f/0x240 [ 168.572943][ C1] ? run_local_timers+0x120/0x120 [ 168.577957][ C1] rcu_gp_kthread+0xed8/0x1770 [ 168.582716][ C1] kthread+0x332/0x350 [ 168.586767][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 168.591864][ C1] ? kthread_blkcg+0xe0/0xe0 [ 168.596446][ C1] ret_from_fork+0x24/0x30