Warning: Permanently added '10.128.1.11' (ECDSA) to the list of known hosts. 2019/12/03 16:43:54 fuzzer started 2019/12/03 16:43:56 dialing manager at 10.128.0.26:45711 2019/12/03 16:43:56 syscalls: 2689 2019/12/03 16:43:56 code coverage: enabled 2019/12/03 16:43:56 comparison tracing: enabled 2019/12/03 16:43:56 extra coverage: extra coverage is not supported by the kernel 2019/12/03 16:43:56 setuid sandbox: enabled 2019/12/03 16:43:56 namespace sandbox: enabled 2019/12/03 16:43:56 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 16:43:56 fault injection: enabled 2019/12/03 16:43:56 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 16:43:56 net packet injection: enabled 2019/12/03 16:43:56 net device setup: enabled 2019/12/03 16:43:56 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 16:43:56 devlink PCI setup: PCI device 0000:00:10.0 is not available 16:43:57 executing program 0: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) listen(r0, 0x4d) r1 = socket$inet_dccp(0x2, 0x6, 0x0) connect$inet(r1, &(0x7f0000e5c000)={0x2, 0x4e20, @loopback=0x7f000002}, 0x10) getsockopt$inet_int(r1, 0x10d, 0xca, &(0x7f0000000140), &(0x7f00000000c0)=0x4) 16:43:57 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = eventfd2(0x0, 0x0) r2 = fcntl$dupfd(r0, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket(0x80000000000000a, 0x2, 0x0) connect$inet6(r3, &(0x7f00000000c0)={0xa, 0x0, 0x0, @ipv4={[0xfeffffff], [], @loopback}}, 0x1c) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r3, 0x29, 0x20, &(0x7f0000000000)={@dev, 0xfffffff9}, 0x20) syzkaller login: [ 58.701710][ T8257] IPVS: ftp: loaded support on port[0] = 21 [ 58.820922][ T8257] chnl_net:caif_netlink_parms(): no params data found 16:43:57 executing program 2: prctl$PR_MCE_KILL(0x23, 0x4, 0x7fffffffeffe) [ 58.908009][ T8257] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.925084][ T8257] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.933052][ T8257] device bridge_slave_0 entered promiscuous mode [ 58.949791][ T8260] IPVS: ftp: loaded support on port[0] = 21 [ 58.957744][ T8257] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.968763][ T8257] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.980331][ T8257] device bridge_slave_1 entered promiscuous mode [ 59.039795][ T8257] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.064137][ T8257] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.139966][ T8257] team0: Port device team_slave_0 added [ 59.149773][ T8257] team0: Port device team_slave_1 added [ 59.173878][ T8260] chnl_net:caif_netlink_parms(): no params data found 16:43:57 executing program 3: r0 = syz_open_dev$sndctrl(&(0x7f0000000240)='/dev/snd/controlC#\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(r0, 0xc1205531, &(0x7f0000000000)=0x2) [ 59.218738][ T8263] IPVS: ftp: loaded support on port[0] = 21 [ 59.268357][ T8257] device hsr_slave_0 entered promiscuous mode [ 59.325312][ T8257] device hsr_slave_1 entered promiscuous mode [ 59.411683][ T8260] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.421390][ T8260] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.429775][ T8260] device bridge_slave_0 entered promiscuous mode [ 59.448588][ T8265] IPVS: ftp: loaded support on port[0] = 21 16:43:58 executing program 4: r0 = memfd_create(&(0x7f000088f000)='b\n\x00', 0x4) fallocate(r0, 0x0, 0x0, 0x1) ftruncate(r0, 0x200000) [ 59.458427][ T8260] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.477675][ T8260] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.497252][ T8260] device bridge_slave_1 entered promiscuous mode [ 59.555641][ T8260] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.578072][ T8260] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.636208][ T8257] netdevsim netdevsim0 netdevsim0: renamed from eth0 16:43:58 executing program 5: ioctl$PPPIOCGDEBUG(0xffffffffffffffff, 0x80047441, 0x0) getsockopt$EBT_SO_GET_INFO(0xffffffffffffffff, 0x0, 0x80, 0x0, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, 0x0, 0x0) ioctl$EVIOCGBITSW(0xffffffffffffffff, 0x80404525, 0x0) openat$vsock(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vsock\x00', 0x200, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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_bp={0x0, 0x7}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$DRM_IOCTL_ADD_BUFS(0xffffffffffffffff, 0xc0206416, 0x0) timer_create(0x0, 0x0, 0x0) unshare(0x40000000) [ 59.697449][ T8257] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.771075][ T8257] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.819100][ T8260] team0: Port device team_slave_0 added [ 59.828865][ T8260] team0: Port device team_slave_1 added [ 59.850267][ T8257] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.927429][ T8268] IPVS: ftp: loaded support on port[0] = 21 [ 59.978056][ T8260] device hsr_slave_0 entered promiscuous mode [ 60.015448][ T8260] device hsr_slave_1 entered promiscuous mode [ 60.056017][ T8260] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.098612][ T8270] IPVS: ftp: loaded support on port[0] = 21 [ 60.099955][ T8263] chnl_net:caif_netlink_parms(): no params data found [ 60.178477][ T8263] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.186998][ T8263] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.194732][ T8263] device bridge_slave_0 entered promiscuous mode [ 60.229529][ T8263] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.237300][ T8263] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.247060][ T8263] device bridge_slave_1 entered promiscuous mode [ 60.266910][ T8260] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.329630][ T8265] chnl_net:caif_netlink_parms(): no params data found [ 60.354849][ T8263] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.367314][ T8260] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.396629][ T8263] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.418494][ T8260] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.493844][ T8263] team0: Port device team_slave_0 added [ 60.503095][ T8263] team0: Port device team_slave_1 added [ 60.509031][ T8260] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.604163][ T8257] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.620586][ T8265] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.627857][ T8265] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.635960][ T8265] device bridge_slave_0 entered promiscuous mode [ 60.643247][ T8270] chnl_net:caif_netlink_parms(): no params data found [ 60.686748][ T8263] device hsr_slave_0 entered promiscuous mode [ 60.735371][ T8263] device hsr_slave_1 entered promiscuous mode [ 60.765223][ T8263] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.781172][ T8265] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.788516][ T8265] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.797339][ T8265] device bridge_slave_1 entered promiscuous mode [ 60.822558][ T8268] chnl_net:caif_netlink_parms(): no params data found [ 60.833900][ T8265] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.849170][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.858135][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.870892][ T8257] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.899678][ T8265] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.942585][ T8265] team0: Port device team_slave_0 added [ 60.951710][ T8265] team0: Port device team_slave_1 added [ 60.958928][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.971672][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.980461][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.987920][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.997056][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.005847][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.014276][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.021539][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.029437][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.049535][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.062276][ T8270] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.069707][ T8270] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.078070][ T8270] device bridge_slave_0 entered promiscuous mode [ 61.120758][ T8268] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.129089][ T8268] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.136973][ T8268] device bridge_slave_0 entered promiscuous mode [ 61.144244][ T8270] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.151634][ T8270] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.160432][ T8270] device bridge_slave_1 entered promiscuous mode [ 61.173532][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.182857][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.191469][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.200328][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.208824][ T8263] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.317786][ T8265] device hsr_slave_0 entered promiscuous mode [ 61.355623][ T8265] device hsr_slave_1 entered promiscuous mode [ 61.395199][ T8265] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.402423][ T8260] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.410684][ T8268] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.418255][ T8268] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.426241][ T8268] device bridge_slave_1 entered promiscuous mode [ 61.443102][ T8268] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.455798][ T8271] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.464250][ T8271] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.478519][ T8263] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 61.528564][ T8263] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.587343][ T8263] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.628414][ T8268] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.647887][ T8270] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.678289][ T8260] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.689415][ T8268] team0: Port device team_slave_0 added [ 61.699472][ T8268] team0: Port device team_slave_1 added [ 61.709763][ T8270] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.729192][ T8271] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.736949][ T8271] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.744599][ T8271] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.753478][ T8271] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.792906][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.803170][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.811960][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.819231][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.828135][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.837337][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.848750][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.855905][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.863681][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.872991][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.881567][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.890349][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.898800][ T8265] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.962604][ T8257] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.973849][ T8270] team0: Port device team_slave_0 added [ 61.981882][ T8270] team0: Port device team_slave_1 added [ 61.992974][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.002291][ T8265] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.077379][ T8268] device hsr_slave_0 entered promiscuous mode [ 62.115486][ T8268] device hsr_slave_1 entered promiscuous mode [ 62.165885][ T8268] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.184094][ T8260] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.196000][ T8260] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.216484][ T8265] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.250409][ T8265] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.307494][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.318253][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.327073][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.335907][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.344325][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.352802][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.362149][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.370979][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.380247][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.388312][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.478821][ T8270] device hsr_slave_0 entered promiscuous mode [ 62.515881][ T8270] device hsr_slave_1 entered promiscuous mode [ 62.555195][ T8270] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.580304][ T8268] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.637042][ T8268] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.707344][ T8268] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.767321][ T8268] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 62.818038][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.828343][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.836454][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.843895][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.869371][ T8257] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.897155][ T8263] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.909975][ T8260] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.960225][ T8271] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.969942][ T8271] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.979286][ T8270] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 63.059048][ T8263] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.070639][ T8265] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.085822][ T8270] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 168.104949][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 168.112065][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P8279 [ 168.119759][ C0] (detected by 0, t=10503 jiffies, g=6445, q=312) [ 168.126269][ C0] syz-executor.1 R running task 27888 8279 8260 0x0000400e [ 168.134186][ C0] Call Trace: [ 168.137454][ C0] [ 168.140294][ C0] sched_show_task+0x40f/0x560 [ 168.145060][ C0] rcu_sched_clock_irq+0x16b1/0x1ad0 [ 168.150337][ C0] update_process_times+0x12d/0x180 [ 168.155523][ C0] tick_sched_timer+0x263/0x420 [ 168.160357][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.165889][ C0] __hrtimer_run_queues+0x403/0x840 [ 168.171096][ C0] hrtimer_interrupt+0x38c/0xda0 [ 168.176122][ C0] ? debug_smp_processor_id+0x9/0x20 [ 168.181404][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 168.186938][ C0] apic_timer_interrupt+0xf/0x20 [ 168.191856][ C0] [ 168.194784][ C0] RIP: 0010:__memcg_kmem_uncharge+0x44/0x2e0 [ 168.200753][ C0] Code: fc ff df 4c 8d 77 38 4d 89 f5 49 c1 ed 03 41 80 7c 05 00 00 74 08 4c 89 f7 e8 d8 f4 fa ff 4d 8b 3e b8 01 00 00 00 89 d9 d3 e0 <4d> 85 ff 0f 84 bf 01 00 00 4c 39 3d 04 ce 8c 07 0f 84 6e 02 00 00 [ 168.220607][ C0] RSP: 0018:ffffc90002437470 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.229002][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 168.237567][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00027a1fc0 [ 168.245627][ C0] RBP: ffffc900024374a0 R08: dffffc0000000000 R09: fffffbfff120248a [ 168.253588][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffffea00027a1fc0 [ 168.261544][ C0] R13: 1ffffd40004f43ff R14: ffffea00027a1ff8 R15: 0000000000000000 [ 168.269516][ C0] ? free_thread_stack+0x124/0x590 [ 168.274616][ C0] free_thread_stack+0x12e/0x590 [ 168.279538][ C0] put_task_stack+0xa3/0x130 [ 168.284113][ C0] finish_task_switch+0x3f1/0x550 [ 168.289129][ C0] __schedule+0x9a8/0xcc0 [ 168.293453][ C0] ? ___preempt_schedule_notrace+0x16/0x27 [ 168.299242][ C0] preempt_schedule_notrace+0xdb/0x120 [ 168.304694][ C0] ___preempt_schedule_notrace+0x16/0x27 [ 168.310312][ C0] ? rcu_is_watching+0x57/0xa0 [ 168.315062][ C0] rcu_is_watching+0x82/0xa0 [ 168.319653][ C0] memcg_kmem_get_cache+0x301/0x590 [ 168.324842][ C0] ? __should_failslab+0x11a/0x160 [ 168.329941][ C0] ? proc_alloc_inode+0x1f/0xe0 [ 168.334775][ C0] kmem_cache_alloc+0x86/0x2e0 [ 168.339543][ C0] ? init_once+0x20/0x20 [ 168.343772][ C0] proc_alloc_inode+0x1f/0xe0 [ 168.348455][ C0] ? init_once+0x20/0x20 [ 168.352694][ C0] new_inode_pseudo+0x68/0x240 [ 168.357456][ C0] new_inode+0x28/0x1c0 [ 168.361614][ C0] proc_pid_make_inode+0x27/0x1d0 [ 168.366976][ C0] proc_pid_instantiate+0x4f/0x1a0 [ 168.372075][ C0] proc_pid_lookup+0x21f/0x300 [ 168.376824][ C0] proc_root_lookup+0x22/0x50 [ 168.381486][ C0] __lookup_slow+0x285/0x380 [ 168.386086][ C0] walk_component+0x2d6/0x7b0 [ 168.390755][ C0] ? inode_permission+0xe0/0x520 [ 168.395680][ C0] link_path_walk+0x75b/0x1410 [ 168.400443][ C0] path_openat+0x139/0x44a0 [ 168.404931][ C0] ? __kasan_kmalloc+0x178/0x1b0 [ 168.409864][ C0] ? rcu_read_lock_sched_held+0x10b/0x170 [ 168.415598][ C0] do_filp_open+0x192/0x3d0 [ 168.420095][ C0] ? noop_direct_IO+0x20/0x20 [ 168.424768][ C0] do_sys_open+0x29f/0x560 [ 168.429185][ C0] __x64_sys_open+0x87/0x90 [ 168.433678][ C0] do_syscall_64+0xf7/0x1c0 [ 168.438172][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.444136][ C0] RIP: 0033:0x4143f0 [ 168.448022][ C0] Code: 05 48 3d 01 f0 ff ff 0f 83 2d 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d 7d 40 66 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 0a fa ff ff [ 168.471101][ C0] RSP: 002b:00007ffe1cfac038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 168.479507][ C0] RAX: ffffffffffffffda RBX: 00007ffe1cfac064 RCX: 00000000004143f0 [ 168.487469][ C0] RDX: 00007ffe1cfac06a RSI: 0000000000080001 RDI: 00000000004c00fb [ 168.495438][ C0] RBP: 00007ffe1cfac060 R08: 0000000000000000 R09: 0000000000000004 [ 168.503400][ C0] R10: 0000000000000075 R11: 0000000000000246 R12: 00000000004c00fb [ 168.511360][ C0] R13: 00007ffe1cfac580 R14: 0000000000000000 R15: 00007ffe1cfac590 [ 168.519364][ C0] rcu: rcu_preempt kthread starved for 4995 jiffies! g6445 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 168.531424][ C0] rcu: RCU grace-period kthread stack dump: [ 168.537322][ C0] rcu_preempt R running task 29104 10 2 0x80004000 [ 168.545483][ C0] Call Trace: [ 168.548775][ C0] __schedule+0x9a0/0xcc0 [ 168.553101][ C0] schedule+0x181/0x210 [ 168.557244][ C0] schedule_timeout+0x14f/0x240 [ 168.562086][ C0] ? run_local_timers+0x120/0x120 [ 168.567107][ C0] rcu_gp_kthread+0xed8/0x1770 [ 168.571870][ C0] kthread+0x332/0x350 [ 168.575937][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 168.581033][ C0] ? kthread_blkcg+0xe0/0xe0 [ 168.585607][ C0] ret_from_fork+0x24/0x30