[ 42.375948][ T25] audit: type=1800 audit(1575402748.998:27): pid=8043 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.416366][ T25] audit: type=1800 audit(1575402748.998:28): pid=8043 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 42.728436][ T8111] sshd (8111) used greatest stack depth: 23384 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 42.983046][ T25] audit: type=1800 audit(1575402749.688:29): pid=8043 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.113' (ECDSA) to the list of known hosts. 2019/12/03 19:52:39 fuzzer started 2019/12/03 19:52:41 dialing manager at 10.128.0.26:42111 2019/12/03 19:52:41 syscalls: 2689 2019/12/03 19:52:41 code coverage: enabled 2019/12/03 19:52:41 comparison tracing: enabled 2019/12/03 19:52:41 extra coverage: extra coverage is not supported by the kernel 2019/12/03 19:52:41 setuid sandbox: enabled 2019/12/03 19:52:41 namespace sandbox: enabled 2019/12/03 19:52:41 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 19:52:41 fault injection: enabled 2019/12/03 19:52:41 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 19:52:41 net packet injection: enabled 2019/12/03 19:52:41 net device setup: enabled 2019/12/03 19:52:41 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 19:52:41 devlink PCI setup: PCI device 0000:00:10.0 is not available 19:52:42 executing program 0: bpf$MAP_CREATE(0x0, &(0x7f00000001c0)={0x9, 0x0, 0x0, 0x0, 0xc5, 0x1}, 0x3c) 19:52:42 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) write$FUSE_IOCTL(0xffffffffffffffff, 0x0, 0x0) syz_mount_image$gfs2(&(0x7f0000000000)='gfs2\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)={[{@lockproto_nolock='lockproto=lock_nolock'}, {@locktable={'locktable', 0x3d, '/ht'}}]}) syzkaller login: [ 55.669781][ T8207] IPVS: ftp: loaded support on port[0] = 21 [ 55.800379][ T8207] chnl_net:caif_netlink_parms(): no params data found [ 55.847038][ T8207] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.856848][ T8207] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.865688][ T8207] device bridge_slave_0 entered promiscuous mode [ 55.875986][ T8207] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.884216][ T8207] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.893702][ T8207] device bridge_slave_1 entered promiscuous mode [ 55.917585][ T8207] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.929890][ T8207] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.956740][ T8207] team0: Port device team_slave_0 added 19:52:42 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000000)='IPVS\x00') sendmsg$IPVS_CMD_ZERO(r0, &(0x7f0000000140)={0x0, 0xf0ffffff, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) [ 55.965211][ T8207] team0: Port device team_slave_1 added [ 55.984848][ T8210] IPVS: ftp: loaded support on port[0] = 21 [ 56.029520][ T8207] device hsr_slave_0 entered promiscuous mode 19:52:42 executing program 3: r0 = socket$inet(0x2, 0x2000080001, 0x84) bind$inet(r0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) sendmsg(r0, &(0x7f000001afc8)={&(0x7f0000006000)=@in={0x2, 0x4e20, @loopback}, 0x80, &(0x7f0000007f80)=[{&(0x7f00000001c0)='*', 0x1a000}], 0x1}, 0x0) setsockopt$inet_sctp_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f00000000c0)=0xf0000000, 0x4) recvfrom$inet(r0, 0x0, 0x0, 0x0, 0x0, 0x0) [ 56.231557][ T8207] device hsr_slave_1 entered promiscuous mode [ 56.305299][ T8212] IPVS: ftp: loaded support on port[0] = 21 [ 56.314592][ T8214] IPVS: ftp: loaded support on port[0] = 21 19:52:43 executing program 4: bpf$PROG_LOAD(0x5, &(0x7f00002a0fb8)={0x8, 0x3, &(0x7f0000000000)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x2a, 0x35}}, &(0x7f0000000140)='Q7\\$', 0x4, 0x1f6, &(0x7f0000000180)=""/153, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x23) [ 56.425762][ T8207] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.495819][ T8207] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.555008][ T8207] netdevsim netdevsim0 netdevsim2: renamed from eth2 19:52:43 executing program 5: ioctl$UI_DEV_SETUP(0xffffffffffffffff, 0x405c5503, &(0x7f00000000c0)={{0x0, 0x2}, 'syz0\x00'}) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) ioctl$sock_bt_hci(r0, 0x800448d4, &(0x7f00000000c0)) [ 56.628756][ T8216] IPVS: ftp: loaded support on port[0] = 21 [ 56.636378][ T8207] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.853702][ T8212] chnl_net:caif_netlink_parms(): no params data found [ 56.863732][ T8210] chnl_net:caif_netlink_parms(): no params data found [ 56.885718][ T8220] IPVS: ftp: loaded support on port[0] = 21 [ 56.959941][ T8214] chnl_net:caif_netlink_parms(): no params data found [ 57.026273][ T8210] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.034888][ T8210] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.044066][ T8210] device bridge_slave_0 entered promiscuous mode [ 57.058618][ T8212] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.068589][ T8212] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.077096][ T8212] device bridge_slave_0 entered promiscuous mode [ 57.100422][ T8212] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.109003][ T8212] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.117038][ T8212] device bridge_slave_1 entered promiscuous mode [ 57.126090][ T8210] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.133913][ T8210] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.143372][ T8210] device bridge_slave_1 entered promiscuous mode [ 57.164015][ T8214] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.171728][ T8214] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.180061][ T8214] device bridge_slave_0 entered promiscuous mode [ 57.190954][ T8214] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.198412][ T8214] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.206330][ T8214] device bridge_slave_1 entered promiscuous mode [ 57.233089][ T8212] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.244916][ T8210] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.256405][ T8210] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.275566][ T8214] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.286442][ T8212] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.304704][ T8216] chnl_net:caif_netlink_parms(): no params data found [ 57.320276][ T8207] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.329382][ T8214] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.369959][ T8210] team0: Port device team_slave_0 added [ 57.409833][ T8216] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.417770][ T8216] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.426096][ T8216] device bridge_slave_0 entered promiscuous mode [ 57.438409][ T8216] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.446854][ T8216] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.455033][ T8216] device bridge_slave_1 entered promiscuous mode [ 57.464177][ T8210] team0: Port device team_slave_1 added [ 57.472222][ T8212] team0: Port device team_slave_0 added [ 57.483842][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.492711][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.505264][ T8214] team0: Port device team_slave_0 added [ 57.516510][ T8214] team0: Port device team_slave_1 added [ 57.527921][ T8207] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.537126][ T8212] team0: Port device team_slave_1 added [ 57.544559][ T8220] chnl_net:caif_netlink_parms(): no params data found [ 57.569061][ T8216] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.581149][ T8216] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.654421][ T8214] device hsr_slave_0 entered promiscuous mode [ 57.711771][ T8214] device hsr_slave_1 entered promiscuous mode [ 57.753872][ T8214] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.814071][ T8210] device hsr_slave_0 entered promiscuous mode [ 57.872365][ T8210] device hsr_slave_1 entered promiscuous mode [ 57.911612][ T8210] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.950786][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.960864][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.969828][ T2884] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.977140][ T2884] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.986271][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.995246][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.004119][ T2884] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.011296][ T2884] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.019022][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.047429][ T8216] team0: Port device team_slave_0 added [ 58.061578][ T8216] team0: Port device team_slave_1 added [ 58.067840][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.076464][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.143188][ T8212] device hsr_slave_0 entered promiscuous mode [ 58.212862][ T8212] device hsr_slave_1 entered promiscuous mode [ 58.251433][ T8212] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.280789][ T8220] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.289787][ T8220] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.298071][ T8220] device bridge_slave_0 entered promiscuous mode [ 58.305833][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.315312][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.374149][ T8216] device hsr_slave_0 entered promiscuous mode [ 58.421791][ T8216] device hsr_slave_1 entered promiscuous mode [ 58.461430][ T8216] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.469309][ T8220] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.476879][ T8220] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.485875][ T8220] device bridge_slave_1 entered promiscuous mode [ 58.507329][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.515652][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.524543][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.537110][ T8214] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.593484][ T8214] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.648670][ T8210] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.683969][ T8210] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.724462][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.733202][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.745512][ T8207] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.757605][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.768670][ T8214] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 58.814558][ T8220] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.827743][ T8210] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.874593][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.884306][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.898735][ T8214] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 58.949621][ T8212] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.986273][ T8220] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.996679][ T8210] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.055537][ T8212] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.096820][ T8212] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.167793][ T8212] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.219873][ T8216] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.253474][ T8216] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.307125][ T8216] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.368243][ T8220] team0: Port device team_slave_0 added [ 59.376036][ T8220] team0: Port device team_slave_1 added [ 59.398292][ T8216] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 59.525071][ T8220] device hsr_slave_0 entered promiscuous mode [ 59.591667][ T8220] device hsr_slave_1 entered promiscuous mode [ 59.641883][ T8220] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.652793][ T8207] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.665913][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.673435][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.753082][ T8220] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.786414][ T8220] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.843535][ T8220] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 59.884884][ T8220] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 164.911209][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 164.918206][ C0] (detected by 0, t=10502 jiffies, g=6273, q=146) [ 164.924697][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10501 (4294953617-4294943116), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 164.938036][ C0] syz-executor.0 R running task 27912 8228 8207 0x0000400a [ 164.945925][ C0] Call Trace: [ 164.949198][ C0] [ 164.952066][ C0] sched_show_task+0x40f/0x560 [ 164.956825][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 164.962106][ C0] update_process_times+0x12d/0x180 [ 164.967293][ C0] tick_sched_timer+0x263/0x420 [ 164.972131][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.977693][ C0] __hrtimer_run_queues+0x403/0x840 [ 164.984390][ C0] hrtimer_interrupt+0x38c/0xda0 [ 164.989348][ C0] ? debug_smp_processor_id+0x9/0x20 [ 164.994653][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 165.000236][ C0] apic_timer_interrupt+0xf/0x20 [ 165.005184][ C0] [ 165.008135][ C0] RIP: 0010:__memcg_kmem_uncharge+0x211/0x2e0 [ 165.014298][ C0] Code: 65 db a4 ff 48 c7 c7 98 4b 0d 89 e8 59 97 00 00 bf 01 00 00 00 e8 2f e3 9b ff 65 8b 05 d4 fd 4a 7e 85 c0 74 53 48 83 c4 08 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 49 8d 5f 10 48 89 df be 08 00 00 00 [ 165.034089][ C0] RSP: 0018:ffffc90002407c40 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 165.042501][ C0] RAX: 0000000000000001 RBX: ffffea00028d0dc0 RCX: 0000000000000000 [ 165.050463][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00028d0dc0 [ 165.058529][ C0] RBP: ffffc90002407c60 R08: dffffc0000000000 R09: fffffbfff12877ed [ 165.066596][ C0] R10: fffffbfff12877ed R11: 0000000000000000 R12: ffffea00028d0dc0 [ 165.074563][ C0] R13: 1ffffd400051a1bf R14: ffffea00028d0df8 R15: 0000000000000000 [ 165.082558][ C0] free_thread_stack+0x12e/0x590 [ 165.087493][ C0] put_task_stack+0xa3/0x130 [ 165.092076][ C0] finish_task_switch+0x3f1/0x550 [ 165.097094][ C0] __schedule+0x9a8/0xcc0 [ 165.101420][ C0] ? ___preempt_schedule+0x16/0x18 [ 165.106526][ C0] preempt_schedule+0xdb/0x120 [ 165.111279][ C0] ___preempt_schedule+0x16/0x18 [ 165.116208][ C0] ? do_group_exit+0x2a8/0x2b0 [ 165.120960][ C0] _raw_spin_unlock_irq+0x77/0x80 [ 165.125973][ C0] do_group_exit+0x2a8/0x2b0 [ 165.130555][ C0] __do_sys_exit_group+0x17/0x20 [ 165.135483][ C0] __se_sys_exit_group+0x14/0x20 [ 165.140411][ C0] __x64_sys_exit_group+0x3b/0x40 [ 165.145421][ C0] do_syscall_64+0xf7/0x1c0 [ 165.149916][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.155797][ C0] RIP: 0033:0x45a679 [ 165.159680][ C0] 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 [ 165.179275][ C0] RSP: 002b:00007fffbde6d788 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 165.187674][ C0] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 000000000045a679 [ 165.195636][ C0] RDX: 0000000000414211 RSI: fffffffffffffff7 RDI: 0000000000000000 [ 165.203687][ C0] RBP: 0000000000000000 R08: ffffffffffffffff R09: 00007fffbde6d7e0 [ 165.211662][ C0] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000001 [ 165.219644][ C0] R13: 00007fffbde6d7e0 R14: 0000000000000000 R15: 00007fffbde6d7f0 [ 165.227627][ C0] rcu: rcu_preempt kthread starved for 10531 jiffies! g6273 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 165.238709][ C0] rcu: RCU grace-period kthread stack dump: [ 165.244583][ C0] rcu_preempt R running task 28992 10 2 0x80004008 [ 165.252489][ C0] Call Trace: [ 165.255773][ C0] __schedule+0x9a8/0xcc0 [ 165.260100][ C0] schedule+0x181/0x210 [ 165.264244][ C0] schedule_timeout+0x14f/0x240 [ 165.269084][ C0] ? run_local_timers+0x120/0x120 [ 165.274103][ C0] rcu_gp_kthread+0xed8/0x1770 [ 165.279644][ C0] kthread+0x332/0x350 [ 165.283703][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 165.288820][ C0] ? kthread_blkcg+0xe0/0xe0 [ 165.293407][ C0] ret_from_fork+0x24/0x30