Warning: Permanently added '10.128.1.19' (ECDSA) to the list of known hosts. 2019/12/03 01:28:20 fuzzer started 2019/12/03 01:28:22 dialing manager at 10.128.0.26:38907 2019/12/03 01:28:22 syscalls: 2697 2019/12/03 01:28:22 code coverage: enabled 2019/12/03 01:28:22 comparison tracing: enabled 2019/12/03 01:28:22 extra coverage: extra coverage is not supported by the kernel 2019/12/03 01:28:22 setuid sandbox: enabled 2019/12/03 01:28:22 namespace sandbox: enabled 2019/12/03 01:28:22 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 01:28:22 fault injection: enabled 2019/12/03 01:28:22 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 01:28:22 net packet injection: enabled 2019/12/03 01:28:22 net device setup: enabled 2019/12/03 01:28:22 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 01:28:22 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:28:23 executing program 0: r0 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") mmap(&(0x7f0000003000/0xffc000)=nil, 0xffc000, 0xc, 0x32, 0xffffffffffffffff, 0x0) r1 = socket(0x200040000000015, 0x805, 0x0) getsockopt(r1, 0x114, 0x0, 0x0, &(0x7f000033bffc)) r2 = socket(0x200040000000015, 0x805, 0x0) getsockopt(r2, 0x114, 0x2710, 0x0, &(0x7f000033bffc)) 01:28:23 executing program 1: bpf$PROG_LOAD(0x5, &(0x7f00000054c0)={0x3, 0x16, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], &(0x7f0000000100)='GPL\x00'}, 0x48) syzkaller login: [ 58.339154][ T8171] IPVS: ftp: loaded support on port[0] = 21 [ 58.495186][ T8171] chnl_net:caif_netlink_parms(): no params data found [ 58.521122][ T8174] IPVS: ftp: loaded support on port[0] = 21 [ 58.575355][ T8171] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.582917][ T8171] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.590382][ T8171] device bridge_slave_0 entered promiscuous mode 01:28:23 executing program 2: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) fstatfs(r0, &(0x7f0000000000)=""/27) [ 58.615653][ T8171] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.623343][ T8171] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.631117][ T8171] device bridge_slave_1 entered promiscuous mode [ 58.701022][ T8171] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.744446][ T8171] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.760392][ T8174] chnl_net:caif_netlink_parms(): no params data found [ 58.817817][ T8171] team0: Port device team_slave_0 added [ 58.835617][ T8171] team0: Port device team_slave_1 added [ 58.841510][ T8177] IPVS: ftp: loaded support on port[0] = 21 01:28:23 executing program 3: r0 = syz_open_dev$sndctrl(&(0x7f0000000000)='/dev/snd/controlC#\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE(r0, 0x40045542, 0x0) [ 58.879982][ T8174] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.888552][ T8174] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.898345][ T8174] device bridge_slave_0 entered promiscuous mode [ 58.956052][ T8171] device hsr_slave_0 entered promiscuous mode [ 59.013332][ T8171] device hsr_slave_1 entered promiscuous mode [ 59.061535][ T8174] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.068721][ T8174] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.082294][ T8174] device bridge_slave_1 entered promiscuous mode 01:28:24 executing program 4: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000500)={0x7, 0x4, 0x8, 0xf1a}, 0x2c) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x3e6, &(0x7f0000000240)}, 0x10) [ 59.118997][ T8179] IPVS: ftp: loaded support on port[0] = 21 [ 59.160722][ T8174] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.191086][ T8171] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.254481][ T8174] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.284371][ T8171] netdevsim netdevsim0 netdevsim1: renamed from eth1 01:28:24 executing program 5: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 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_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f0000000080)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000040)={0xffffffffffffffff}, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_RESOLVE_IP(r0, &(0x7f0000000200)={0x3, 0x40, 0xfa00, {{0x6000000, 0x0, 0x0, @mcast2}, {0xa, 0x0, 0x0, @rand_addr="fe8000000000007029e5e36fc3e00100"}, r2}}, 0x48) [ 59.354608][ T8174] team0: Port device team_slave_0 added [ 59.365101][ T8171] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.434361][ T8174] team0: Port device team_slave_1 added [ 59.453284][ T8171] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.461787][ T8183] IPVS: ftp: loaded support on port[0] = 21 [ 59.515926][ T8181] IPVS: ftp: loaded support on port[0] = 21 [ 59.562724][ T8174] device hsr_slave_0 entered promiscuous mode [ 59.641489][ T8174] device hsr_slave_1 entered promiscuous mode [ 59.721608][ T8174] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.736900][ T8177] chnl_net:caif_netlink_parms(): no params data found [ 59.822869][ T8179] chnl_net:caif_netlink_parms(): no params data found [ 59.896001][ T8174] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.969459][ T8174] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.023601][ T8177] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.030747][ T8177] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.038684][ T8177] device bridge_slave_0 entered promiscuous mode [ 60.048127][ T8177] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.055432][ T8177] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.064584][ T8177] device bridge_slave_1 entered promiscuous mode [ 60.071736][ T8174] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.125854][ T8174] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.190209][ T8179] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.198087][ T8179] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.205987][ T8179] device bridge_slave_0 entered promiscuous mode [ 60.221918][ T8181] chnl_net:caif_netlink_parms(): no params data found [ 60.246842][ T8179] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.254264][ T8179] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.261962][ T8179] device bridge_slave_1 entered promiscuous mode [ 60.284744][ T8183] chnl_net:caif_netlink_parms(): no params data found [ 60.295764][ T8177] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.308136][ T8177] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.326833][ T8179] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.337980][ T8179] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.379403][ T8171] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.395769][ T8177] team0: Port device team_slave_0 added [ 60.403238][ T8179] team0: Port device team_slave_0 added [ 60.418460][ T8181] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.426031][ T8181] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.433912][ T8181] device bridge_slave_0 entered promiscuous mode [ 60.442953][ T8181] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.449989][ T8181] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.457582][ T8181] device bridge_slave_1 entered promiscuous mode [ 60.466295][ T8179] team0: Port device team_slave_1 added [ 60.473130][ T8177] team0: Port device team_slave_1 added [ 60.499961][ T8183] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.509046][ T8183] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.517044][ T8183] device bridge_slave_0 entered promiscuous mode [ 60.529346][ T8183] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.537411][ T8183] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.547296][ T8183] device bridge_slave_1 entered promiscuous mode [ 60.613879][ T8179] device hsr_slave_0 entered promiscuous mode [ 60.671573][ T8179] device hsr_slave_1 entered promiscuous mode [ 60.711357][ T8179] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.733947][ T8181] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.753534][ T8188] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.761967][ T8188] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.822830][ T8177] device hsr_slave_0 entered promiscuous mode [ 60.851505][ T8177] device hsr_slave_1 entered promiscuous mode [ 60.901313][ T8177] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.915551][ T8181] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.937965][ T8171] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.948386][ T8183] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.967325][ T8183] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.991617][ T8188] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.000021][ T8188] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.008669][ T8188] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.015912][ T8188] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.023881][ T8188] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.032508][ T8188] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.040736][ T8188] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.047813][ T8188] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.057283][ T8181] team0: Port device team_slave_0 added [ 61.065009][ T8181] team0: Port device team_slave_1 added [ 61.079727][ T8183] team0: Port device team_slave_0 added [ 61.105499][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.116736][ T8183] team0: Port device team_slave_1 added [ 61.131848][ T8177] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.152699][ T8179] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.203692][ T8179] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.250052][ T8174] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.257448][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.266881][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.275657][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.285022][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.293694][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.302434][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.310619][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.318933][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.327506][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.335794][ T8177] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 61.377089][ T8177] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.432844][ T8179] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.483781][ T8179] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.562611][ T8177] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.627127][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.635440][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.647458][ T8171] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.692904][ T8183] device hsr_slave_0 entered promiscuous mode [ 61.741610][ T8183] device hsr_slave_1 entered promiscuous mode [ 61.781310][ T8183] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.823856][ T8181] device hsr_slave_0 entered promiscuous mode [ 61.881521][ T8181] device hsr_slave_1 entered promiscuous mode [ 61.931386][ T8181] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.950751][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.962070][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.973118][ T8174] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.007911][ T8183] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 62.065583][ T8183] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 62.133876][ T8183] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 62.172849][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.180291][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.187819][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.196551][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.210659][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.217735][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.230082][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.237912][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.246694][ T2982] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.255032][ T2982] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.262117][ T2982] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.270599][ T8181] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.327949][ T8181] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.373762][ T8183] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.415375][ T8171] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.434651][ T8181] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.472848][ T8181] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 62.511334][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.519780][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.541120][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.549880][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.610777][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.626037][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.638071][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.654572][ T8174] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.696965][ T8174] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.766483][ T8174] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 167.741212][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.747999][ C1] rcu: 1-...!: (1 GPs behind) idle=126/1/0x4000000000000002 softirq=12364/12369 fqs=6 [ 167.757862][ C1] (t=10501 jiffies g=6133 q=263) [ 167.762874][ C1] rcu: rcu_preempt kthread starved for 10490 jiffies! g6133 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 167.773953][ C1] rcu: RCU grace-period kthread stack dump: [ 167.779828][ C1] rcu_preempt R running task 29104 10 2 0x80004000 [ 167.787713][ C1] Call Trace: [ 167.791001][ C1] __schedule+0x9a0/0xcc0 [ 167.795335][ C1] schedule+0x181/0x210 [ 167.799479][ C1] schedule_timeout+0x14f/0x240 [ 167.804895][ C1] ? run_local_timers+0x120/0x120 [ 167.809910][ C1] rcu_gp_kthread+0xed8/0x1770 [ 167.814674][ C1] kthread+0x332/0x350 [ 167.818724][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 167.823823][ C1] ? kthread_blkcg+0xe0/0xe0 [ 167.828403][ C1] ret_from_fork+0x24/0x30 [ 167.832817][ C1] NMI backtrace for cpu 1 [ 167.837418][ C1] CPU: 1 PID: 233 Comm: kworker/u4:4 Not tainted 5.4.0-syzkaller #0 [ 167.845396][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.855533][ C1] Workqueue: events_unbound fsnotify_connector_destroy_workfn [ 167.862971][ C1] Call Trace: [ 167.866241][ C1] [ 167.869086][ C1] dump_stack+0x1fb/0x318 [ 167.873404][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.878239][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.884381][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.890432][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.896399][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.902764][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.907866][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.913076][ C1] ? trace_hardirqs_off+0x74/0x80 [ 167.918094][ C1] update_process_times+0x12d/0x180 [ 167.923280][ C1] tick_sched_timer+0x263/0x420 [ 167.928120][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.933668][ C1] __hrtimer_run_queues+0x403/0x840 [ 167.938874][ C1] hrtimer_interrupt+0x38c/0xda0 [ 167.943820][ C1] ? debug_smp_processor_id+0x9/0x20 [ 167.949093][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 167.954634][ C1] apic_timer_interrupt+0xf/0x20 [ 167.959556][ C1] [ 167.962486][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x50 [ 167.968535][ C1] Code: 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 34 e7 cc 07 48 89 de e8 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 [ 167.988124][ C1] RSP: 0018:ffffc90001a578d0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.996523][ C1] RAX: ffffffff81487326 RBX: ffffea0002a022c0 RCX: 0000000000000000 [ 168.004820][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002a022c0 [ 168.012786][ C1] RBP: ffffc90001a578f8 R08: dffffc0000000000 R09: fffffbfff120248a [ 168.020758][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880a38d8820 [ 168.028718][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888094ec3868 [ 168.036694][ C1] ? mod_memcg_page_state+0x16/0x190 [ 168.041972][ C1] ? mod_memcg_page_state+0x16/0x190 [ 168.047245][ C1] free_thread_stack+0x168/0x590 [ 168.052180][ C1] put_task_stack+0xa3/0x130 [ 168.056762][ C1] finish_task_switch+0x3f1/0x550 [ 168.061780][ C1] __schedule+0x9a8/0xcc0 [ 168.066108][ C1] ? ___preempt_schedule+0x16/0x18 [ 168.071204][ C1] preempt_schedule+0xdb/0x120 [ 168.075958][ C1] ___preempt_schedule+0x16/0x18 [ 168.080889][ C1] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 168.086511][ C1] __call_srcu+0x7ab/0xb00 [ 168.090924][ C1] __synchronize_srcu+0x1cf/0x260 [ 168.095937][ C1] ? rcu_read_lock_any_held+0x1a0/0x1a0 [ 168.101485][ C1] synchronize_srcu+0x2cb/0x2f0 [ 168.106329][ C1] fsnotify_connector_destroy_workfn+0x44/0xb0 [ 168.112471][ C1] process_one_work+0x7ef/0x10d0 [ 168.117411][ C1] worker_thread+0xc01/0x1630 [ 168.122095][ C1] kthread+0x332/0x350 [ 168.126148][ C1] ? rcu_lock_release+0x30/0x30 [ 168.130986][ C1] ? kthread_blkcg+0xe0/0xe0 [ 168.135562][ C1] ret_from_fork+0x24/0x30