Warning: Permanently added '10.128.0.19' (ECDSA) to the list of known hosts. 2019/12/03 01:30:02 fuzzer started 2019/12/03 01:30:04 dialing manager at 10.128.0.26:38907 2019/12/03 01:30:04 syscalls: 2697 2019/12/03 01:30:04 code coverage: enabled 2019/12/03 01:30:04 comparison tracing: enabled 2019/12/03 01:30:04 extra coverage: extra coverage is not supported by the kernel 2019/12/03 01:30:04 setuid sandbox: enabled 2019/12/03 01:30:04 namespace sandbox: enabled 2019/12/03 01:30:04 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 01:30:04 fault injection: enabled 2019/12/03 01:30:04 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 01:30:04 net packet injection: enabled 2019/12/03 01:30:04 net device setup: enabled 2019/12/03 01:30:04 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 01:30:04 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:30:05 executing program 0: r0 = perf_event_open(&(0x7f0000000100)={0x5, 0x70, 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, 0x3, @perf_config_ext={0x0, 0x4}}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_MODIFY_ATTRIBUTES(r0, 0x4008240b, &(0x7f0000000080)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}) 01:30:05 executing program 1: r0 = socket$unix(0x1, 0x5, 0x0) bind$unix(r0, &(0x7f0000003000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) mount$9p_fd(0x0, &(0x7f0000000000)='\xe9\x1fq\x89Y\x1e\x923aK\x00', &(0x7f0000000300)='9p\x00', 0x0, &(0x7f00000002c0)={'trans=fd,', {'rfdno'}, 0x2c, {'wfdno'}}) syzkaller login: [ 60.138594][ T8495] IPVS: ftp: loaded support on port[0] = 21 [ 60.304478][ T8495] chnl_net:caif_netlink_parms(): no params data found 01:30:06 executing program 2: r0 = add_key$keyring(&(0x7f00000001c0)='keyring\x00', &(0x7f0000000200)={'syz', 0x3}, 0x0, 0x0, 0xffffffffffffffff) keyctl$KEYCTL_RESTRICT_KEYRING(0xa, r0, &(0x7f0000000240)='asymmetric\x00', &(0x7f0000000040)=@keyring={'key_or_keyring:'}) [ 60.364401][ T8498] IPVS: ftp: loaded support on port[0] = 21 [ 60.379827][ T8495] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.402010][ T8495] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.420985][ T8495] device bridge_slave_0 entered promiscuous mode [ 60.454886][ T8495] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.462496][ T8495] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.481887][ T8495] device bridge_slave_1 entered promiscuous mode [ 60.532839][ T8495] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.553469][ T8500] IPVS: ftp: loaded support on port[0] = 21 [ 60.559924][ T8495] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.662032][ T8495] team0: Port device team_slave_0 added [ 60.668836][ T8498] chnl_net:caif_netlink_parms(): no params data found [ 60.700686][ T8495] team0: Port device team_slave_1 added 01:30:06 executing program 3: r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000000000)={0xfffffffffffffffd}, 0x0, 0x8) timer_create(0xb, &(0x7f0000000340)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000000040)) timer_settime(0x0, 0x1, &(0x7f0000000200)={{0x0, 0x989680}, {0x0, 0x1c9c380}}, 0x0) pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000100)={0x0, 0x1c9c380}, &(0x7f0000000180)={&(0x7f0000000140), 0x8}) [ 60.776693][ T8495] device hsr_slave_0 entered promiscuous mode [ 60.841323][ T8495] device hsr_slave_1 entered promiscuous mode [ 60.953522][ T8498] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.960726][ T8498] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.971893][ T8498] device bridge_slave_0 entered promiscuous mode 01:30:06 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) flistxattr(r0, 0x0, 0x10) [ 61.008040][ T8504] IPVS: ftp: loaded support on port[0] = 21 [ 61.024147][ T8498] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.033786][ T8498] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.048764][ T8498] device bridge_slave_1 entered promiscuous mode [ 61.086818][ T8500] chnl_net:caif_netlink_parms(): no params data found [ 61.132115][ T8495] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.170697][ T8498] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.198469][ T8495] netdevsim netdevsim0 netdevsim1: renamed from eth1 01:30:07 executing program 5: r0 = socket$inet6(0xa, 0x3, 0x6b) r1 = socket$inet_sctp(0x2, 0x1, 0x84) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") unshare(0x400) setsockopt$inet_sctp_SCTP_INITMSG(r1, 0x84, 0x2, &(0x7f0000000480)={0xfff7}, 0x8) [ 61.277260][ T8495] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.355551][ T8498] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.380166][ T8495] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.431885][ T8500] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.439013][ T8500] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.458690][ T8500] device bridge_slave_0 entered promiscuous mode [ 61.467008][ T8500] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.474262][ T8500] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.482273][ T8500] device bridge_slave_1 entered promiscuous mode [ 61.498398][ T8506] IPVS: ftp: loaded support on port[0] = 21 [ 61.516768][ T8498] team0: Port device team_slave_0 added [ 61.540297][ T8498] team0: Port device team_slave_1 added [ 61.548321][ T8500] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.579178][ T8500] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.604160][ T8510] IPVS: ftp: loaded support on port[0] = 21 [ 61.663890][ T8498] device hsr_slave_0 entered promiscuous mode [ 61.711351][ T8498] device hsr_slave_1 entered promiscuous mode [ 61.751848][ T8498] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.802427][ T8500] team0: Port device team_slave_0 added [ 61.813797][ T8500] team0: Port device team_slave_1 added [ 61.865427][ T8504] chnl_net:caif_netlink_parms(): no params data found [ 61.883869][ T8498] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 61.965278][ T8498] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 62.073882][ T8500] device hsr_slave_0 entered promiscuous mode [ 62.121443][ T8500] device hsr_slave_1 entered promiscuous mode [ 62.161115][ T8500] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.203356][ T8504] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.211484][ T8504] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.219144][ T8504] device bridge_slave_0 entered promiscuous mode [ 62.227331][ T8498] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 62.283226][ T8498] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 62.356731][ T8504] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.365199][ T8504] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.373637][ T8504] device bridge_slave_1 entered promiscuous mode [ 62.387195][ T8495] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.462352][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.471660][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.508161][ T8504] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.520465][ T8495] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.537715][ T8500] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 62.593285][ T8500] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.638829][ T8504] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.664810][ T8500] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.703327][ T8500] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 62.780406][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.789754][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.798318][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.805615][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.815868][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.824348][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.833418][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.842911][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.849968][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.867350][ T8506] chnl_net:caif_netlink_parms(): no params data found [ 62.882516][ T8510] chnl_net:caif_netlink_parms(): no params data found [ 62.894737][ T8504] team0: Port device team_slave_0 added [ 62.919535][ T8512] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.953866][ T8504] team0: Port device team_slave_1 added [ 62.975102][ T8509] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.984964][ T8509] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.994386][ T8509] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.003525][ T8509] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.012522][ T8509] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.022258][ T8509] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.030450][ T8506] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.038825][ T8506] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.047285][ T8506] device bridge_slave_0 entered promiscuous mode [ 63.058847][ T8506] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.067171][ T8506] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.079359][ T8506] device bridge_slave_1 entered promiscuous mode [ 63.115205][ T8510] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.123057][ T8510] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.130946][ T8510] device bridge_slave_0 entered promiscuous mode [ 63.141965][ T8510] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.149119][ T8510] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.157605][ T8510] device bridge_slave_1 entered promiscuous mode [ 63.177213][ T8506] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.202796][ T8508] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.211518][ T8508] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.225175][ T8495] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.236581][ T8495] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.263550][ T8506] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.284963][ T8509] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.294430][ T8509] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.342995][ T8504] device hsr_slave_0 entered promiscuous mode [ 63.391432][ T8504] device hsr_slave_1 entered promiscuous mode [ 63.431005][ T8504] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.440089][ T8510] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.452444][ T8510] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.480220][ T8506] team0: Port device team_slave_0 added [ 63.489980][ T8506] team0: Port device team_slave_1 added [ 63.514143][ T8500] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.524116][ T8498] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.584222][ T8506] device hsr_slave_0 entered promiscuous mode [ 63.621551][ T8506] device hsr_slave_1 entered promiscuous mode [ 63.681260][ T8506] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.690474][ T8508] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.698284][ T8508] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.707613][ T8510] team0: Port device team_slave_0 added [ 63.716169][ T8510] team0: Port device team_slave_1 added [ 63.727784][ T8495] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.750600][ T8508] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.772229][ T8508] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.787918][ T8498] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.884175][ T8510] device hsr_slave_0 entered promiscuous mode [ 63.911444][ T8510] device hsr_slave_1 entered promiscuous mode [ 63.971103][ T8510] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.979763][ T8508] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.989029][ T8508] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.997682][ T8508] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.004809][ T8508] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.015592][ T8508] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.025074][ T8508] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.035026][ T8508] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.042849][ T8508] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.050978][ T8508] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.069357][ T8504] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 64.139476][ T8500] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.164376][ T8508] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 169.190776][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 169.197794][ C1] (detected by 1, t=10502 jiffies, g=6981, q=52) [ 169.204290][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294954048-4294943545), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 169.217670][ C1] rsyslogd R running task 28512 8366 1 0x0000400a [ 169.225583][ C1] Call Trace: [ 169.229240][ C1] [ 169.232095][ C1] sched_show_task+0x40f/0x560 [ 169.236859][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 169.242151][ C1] update_process_times+0x12d/0x180 [ 169.247631][ C1] tick_sched_timer+0x263/0x420 [ 169.252471][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 169.258245][ C1] __hrtimer_run_queues+0x403/0x840 [ 169.263552][ C1] hrtimer_interrupt+0x38c/0xda0 [ 169.268495][ C1] ? debug_smp_processor_id+0x9/0x20 [ 169.273862][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 169.279610][ C1] apic_timer_interrupt+0xf/0x20 [ 169.284799][ C1] [ 169.287910][ C1] RIP: 0010:free_thread_stack+0x124/0x590 [ 169.293791][ 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 [ 169.313394][ C1] RSP: 0018:ffffc90001cb7a60 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 169.321898][ C1] RAX: ffffffff81486ea4 RBX: ffffea0001b06080 RCX: ffff8880903d8380 [ 169.329877][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0001b06080 [ 169.337849][ C1] RBP: ffffc90001cb7a98 R08: 000000000003a768 R09: ffffed10131c6ef7 [ 169.345853][ C1] R10: ffffed10131c6ef7 R11: 0000000000000000 R12: ffff88806c16f4a0 [ 169.353841][ C1] R13: dffffc0000000000 R14: 1ffff1100d82de94 R15: ffff888098e377a8 [ 169.361992][ C1] ? free_thread_stack+0x124/0x590 [ 169.367287][ C1] put_task_stack+0xa3/0x130 [ 169.371869][ C1] finish_task_switch+0x3f1/0x550 [ 169.377152][ C1] __schedule+0x9a8/0xcc0 [ 169.381478][ C1] schedule+0x181/0x210 [ 169.385637][ C1] do_syslog+0xdc7/0x1740 [ 169.389972][ C1] ? init_wait_entry+0xe0/0xe0 [ 169.394738][ C1] kmsg_read+0x94/0xd0 [ 169.398923][ C1] ? mmap_vmcore_fault+0x10/0x10 [ 169.403874][ C1] proc_reg_read+0x1e2/0x2d0 [ 169.408575][ C1] ? proc_reg_llseek+0x2c0/0x2c0 [ 169.413510][ C1] __vfs_read+0xb8/0x730 [ 169.417747][ C1] ? security_file_permission+0x23c/0x350 [ 169.423475][ C1] ? rw_verify_area+0x1c2/0x360 [ 169.428346][ C1] vfs_read+0x1dd/0x420 [ 169.432502][ C1] ksys_read+0x117/0x220 [ 169.436742][ C1] __x64_sys_read+0x7b/0x90 [ 169.441673][ C1] do_syscall_64+0xf7/0x1c0 [ 169.446428][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 169.452309][ C1] RIP: 0033:0x7fdfd6db91fd [ 169.456713][ C1] Code: d1 20 00 00 75 10 b8 00 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e fa ff ff 48 89 04 24 b8 00 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 a7 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 169.476313][ C1] RSP: 002b:00007fdfd4358e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 169.484744][ C1] RAX: ffffffffffffffda RBX: 00000000018f4650 RCX: 00007fdfd6db91fd [ 169.492701][ C1] RDX: 0000000000000fff RSI: 00007fdfd5b8d5a0 RDI: 0000000000000004 [ 169.500658][ C1] RBP: 0000000000000000 R08: 00000000018df260 R09: 0000000000000000 [ 169.508622][ C1] R10: 203a7463656a626f R11: 0000000000000293 R12: 000000000065e420 [ 169.516779][ C1] R13: 00007fdfd43599c0 R14: 00007fdfd73fe040 R15: 0000000000000003 [ 169.524769][ C1] rcu: rcu_preempt kthread starved for 10535 jiffies! g6981 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 169.535895][ C1] rcu: RCU grace-period kthread stack dump: [ 169.541775][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 169.549678][ C1] Call Trace: [ 169.552961][ C1] __schedule+0x9a0/0xcc0 [ 169.557550][ C1] schedule+0x181/0x210 [ 169.561719][ C1] schedule_timeout+0x14f/0x240 [ 169.566591][ C1] ? run_local_timers+0x120/0x120 [ 169.571607][ C1] rcu_gp_kthread+0xed8/0x1770 [ 169.576368][ C1] kthread+0x332/0x350 [ 169.580443][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 169.585540][ C1] ? kthread_blkcg+0xe0/0xe0 [ 169.590380][ C1] ret_from_fork+0x24/0x30