[ 45.358206][ T25] audit: type=1800 audit(1575360344.750:26): pid=8078 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.377954][ T25] audit: type=1800 audit(1575360344.750:27): pid=8078 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 45.377971][ T25] audit: type=1800 audit(1575360344.750:28): pid=8078 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. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 46.342091][ T25] audit: type=1800 audit(1575360345.760:29): pid=8078 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 '10.128.15.209' (ECDSA) to the list of known hosts. 2019/12/03 08:05:53 fuzzer started 2019/12/03 08:05:54 dialing manager at 10.128.0.26:38907 2019/12/03 08:05:54 syscalls: 2697 2019/12/03 08:05:54 code coverage: enabled 2019/12/03 08:05:54 comparison tracing: enabled 2019/12/03 08:05:54 extra coverage: extra coverage is not supported by the kernel 2019/12/03 08:05:54 setuid sandbox: enabled 2019/12/03 08:05:54 namespace sandbox: enabled 2019/12/03 08:05:54 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 08:05:54 fault injection: enabled 2019/12/03 08:05:54 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 08:05:54 net packet injection: enabled 2019/12/03 08:05:54 net device setup: enabled 2019/12/03 08:05:54 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 08:05:54 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:05:55 executing program 0: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x83, 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) syz_open_dev$sndpcmp(0x0, 0x0, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) migrate_pages(0x0, 0x3f, &(0x7f00000001c0)=0x1, &(0x7f0000000200)=0x2) 08:05:56 executing program 1: unshare(0x20600) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$kcm(0x2, 0x2, 0x73) getsockopt$sock_buf(r3, 0x1, 0x3b, 0x0, &(0x7f00000000c0)) ioctl$SG_GET_PACK_ID(0xffffffffffffffff, 0x227c, 0x0) syzkaller login: [ 56.711270][ T8243] IPVS: ftp: loaded support on port[0] = 21 [ 56.827534][ T8243] chnl_net:caif_netlink_parms(): no params data found 08:05:56 executing program 2: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) close(r0) r1 = socket(0x200000000000011, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'syz_tun\x00', 0x0}) bind$packet(r1, &(0x7f0000000240)={0x11, 0x0, r2}, 0x14) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) io_setup(0x3d8, &(0x7f00000004c0)=0x0) bpf$MAP_CREATE(0x2, &(0x7f0000000040)={0x0, 0x0, 0x77fffb}, 0x3c) io_submit(r5, 0x1e09328e, &(0x7f0000000040)=[&(0x7f0000000000)={0x0, 0x0, 0x0, 0x1000800000000001, 0x0, r0, 0x0, 0x12f}]) [ 56.910047][ T8246] IPVS: ftp: loaded support on port[0] = 21 [ 56.917047][ T8243] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.929712][ T8243] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.944339][ T8243] device bridge_slave_0 entered promiscuous mode [ 56.964286][ T8243] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.971977][ T8243] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.979750][ T8243] device bridge_slave_1 entered promiscuous mode [ 57.013620][ T8243] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.027740][ T8243] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.058925][ T8243] team0: Port device team_slave_0 added [ 57.069557][ T8243] team0: Port device team_slave_1 added [ 57.134136][ T8243] device hsr_slave_0 entered promiscuous mode 08:05:56 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket(0xa, 0x2, 0x0) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xa) setreuid(0x0, r2) r3 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x8, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x65}, [@ldst={0x3, 0x3, 0x3, 0xa, 0xa, 0xff00}]}, &(0x7f0000003ff6)='G\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195}, 0x48) [ 57.211692][ T8243] device hsr_slave_1 entered promiscuous mode [ 57.306049][ T8248] IPVS: ftp: loaded support on port[0] = 21 08:05:56 executing program 4: r0 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) write$P9_RWALK(r0, &(0x7f0000000300)=ANY=[@ANYRESHEX], 0x12) write$P9_RXATTRWALK(r0, &(0x7f00000000c0)={0xf}, 0xf) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) mmap(&(0x7f0000003000/0x2000)=nil, 0x2000, 0x0, 0x1012, r1, 0x0) perf_event_open(&(0x7f0000000180)={0x6, 0x70, 0x0, 0x0, 0x0, 0x0, 0xfffffff6, 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={&(0x7f0000000000), 0x4}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) [ 57.423133][ T8243] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.431148][ T8251] IPVS: ftp: loaded support on port[0] = 21 [ 57.462874][ T8246] chnl_net:caif_netlink_parms(): no params data found [ 57.489501][ T8243] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.535223][ T8243] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.616493][ T8243] netdevsim netdevsim0 netdevsim3: renamed from eth3 08:05:57 executing program 5: syz_open_dev$sndtimer(&(0x7f0000000340)='/dev/snd/timer\x00', 0x0, 0x0) r0 = syz_open_dev$sndtimer(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_SELECT(r0, 0x40345410, &(0x7f0000000000)={{0x0, 0x3}}) ioctl$SNDRV_TIMER_IOCTL_SELECT(r0, 0x80605414, &(0x7f0000000040)) [ 57.724580][ T8243] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.725249][ T8253] IPVS: ftp: loaded support on port[0] = 21 [ 57.731799][ T8243] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.732378][ T8243] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.752085][ T8243] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.798509][ T8246] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.807825][ T8246] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.815840][ T8246] device bridge_slave_0 entered promiscuous mode [ 57.852924][ T3839] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.861512][ T3839] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.874773][ T8246] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.882439][ T8246] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.890210][ T8246] device bridge_slave_1 entered promiscuous mode [ 57.914161][ T8248] chnl_net:caif_netlink_parms(): no params data found [ 57.934646][ T8257] IPVS: ftp: loaded support on port[0] = 21 [ 57.945343][ T8246] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.979384][ T8246] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.007866][ T8246] team0: Port device team_slave_0 added [ 58.035066][ T8246] team0: Port device team_slave_1 added [ 58.042981][ T8248] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.050042][ T8248] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.057990][ T8248] device bridge_slave_0 entered promiscuous mode [ 58.066742][ T8248] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.074061][ T8248] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.082066][ T8248] device bridge_slave_1 entered promiscuous mode [ 58.142790][ T8246] device hsr_slave_0 entered promiscuous mode [ 58.190994][ T8246] device hsr_slave_1 entered promiscuous mode [ 58.230677][ T8246] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.264254][ T8248] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.323516][ T8248] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.339079][ T8251] chnl_net:caif_netlink_parms(): no params data found [ 58.364741][ T8248] team0: Port device team_slave_0 added [ 58.390912][ T8248] team0: Port device team_slave_1 added [ 58.396914][ T8253] chnl_net:caif_netlink_parms(): no params data found [ 58.423867][ T8243] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.457996][ T8251] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.468420][ T8251] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.476565][ T8251] device bridge_slave_0 entered promiscuous mode [ 58.506884][ T8243] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.514668][ T8246] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.623222][ T8248] device hsr_slave_0 entered promiscuous mode [ 58.660875][ T8248] device hsr_slave_1 entered promiscuous mode [ 58.720613][ T8248] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.733198][ T8251] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.740345][ T8251] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.748335][ T8251] device bridge_slave_1 entered promiscuous mode [ 58.760104][ T3839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.769093][ T3839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.789822][ T8246] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.850135][ T8251] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.869271][ T8246] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.947945][ T8246] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.003724][ T3839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.013016][ T3839] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.021469][ T3839] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.028506][ T3839] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.036398][ T8257] chnl_net:caif_netlink_parms(): no params data found [ 59.048522][ T8251] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.058030][ T8253] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.067679][ T8253] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.075625][ T8253] device bridge_slave_0 entered promiscuous mode [ 59.086940][ T8253] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.094343][ T8253] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.104322][ T8253] device bridge_slave_1 entered promiscuous mode [ 59.163032][ T8251] team0: Port device team_slave_0 added [ 59.169904][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.178662][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.190340][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.197445][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.205764][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.226606][ T8257] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.233896][ T8257] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.242180][ T8257] device bridge_slave_0 entered promiscuous mode [ 59.250020][ T8257] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.257494][ T8257] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.266192][ T8257] device bridge_slave_1 entered promiscuous mode [ 59.279076][ T8251] team0: Port device team_slave_1 added [ 59.287469][ T8253] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.297014][ T8248] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.352222][ T8248] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.401194][ T3839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.411402][ T8253] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.433449][ T8253] team0: Port device team_slave_0 added [ 59.440814][ T8257] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.450243][ T8248] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.527961][ T8248] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.586887][ T8253] team0: Port device team_slave_1 added [ 59.594368][ T8257] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.606874][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.615687][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.624331][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.632854][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.641738][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.649934][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.658188][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.723883][ T8251] device hsr_slave_0 entered promiscuous mode [ 59.760913][ T8251] device hsr_slave_1 entered promiscuous mode [ 59.820781][ T8251] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.845128][ T8257] team0: Port device team_slave_0 added [ 59.852644][ T8257] team0: Port device team_slave_1 added [ 59.859507][ T8243] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.872691][ T8243] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.909982][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.918948][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.983833][ T8257] device hsr_slave_0 entered promiscuous mode [ 60.021270][ T8257] device hsr_slave_1 entered promiscuous mode [ 60.060601][ T8257] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.094093][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.101954][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.153908][ T8253] device hsr_slave_0 entered promiscuous mode [ 60.211500][ T8253] device hsr_slave_1 entered promiscuous mode [ 60.251429][ T8253] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.261397][ T8243] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.284230][ T8251] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.333624][ T8246] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.374733][ T8251] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.423315][ T8251] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.466554][ T8257] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.517508][ T8248] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.528683][ T8251] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 165.570418][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 165.577407][ C0] (detected by 0, t=10502 jiffies, g=6333, q=100) [ 165.583897][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953695-4294943192), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 165.597234][ C0] rcu_preempt R running task 28992 10 2 0x80004008 [ 165.605119][ C0] Call Trace: [ 165.608410][ C0] [ 165.611257][ C0] sched_show_task+0x40f/0x560 [ 165.616016][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 165.621296][ C0] update_process_times+0x12d/0x180 [ 165.626482][ C0] tick_sched_timer+0x263/0x420 [ 165.631319][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.636851][ C0] __hrtimer_run_queues+0x403/0x840 [ 165.642047][ C0] hrtimer_interrupt+0x38c/0xda0 [ 165.646985][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.652256][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 165.657789][ C0] apic_timer_interrupt+0xf/0x20 [ 165.662705][ C0] [ 165.665631][ C0] RIP: 0010:__memcg_kmem_uncharge+0xd/0x2e0 [ 165.671507][ C0] Code: 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 dc 7d ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 <50> 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff df 4c 8d 77 38 4d 89 [ 165.691110][ C0] RSP: 0018:ffffc90000d0fc10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.699517][ C0] RAX: ffffffff81486ea4 RBX: ffffea0002600400 RCX: ffff8880a9de8280 [ 165.707476][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002600400 [ 165.715445][ C0] RBP: ffffc90000d0fc38 R08: 000000000003a768 R09: ffffed101501bebf [ 165.723402][ C0] R10: ffffed101501bebf R11: 0000000000000000 R12: ffff88809fb8f020 [ 165.731358][ C0] R13: dffffc0000000000 R14: 1ffff11013f71e04 R15: ffff8880a80df5e8 [ 165.739332][ C0] ? free_thread_stack+0x124/0x590 [ 165.744437][ C0] free_thread_stack+0x12e/0x590 [ 165.749378][ C0] put_task_stack+0xa3/0x130 [ 165.753970][ C0] finish_task_switch+0x3f1/0x550 [ 165.758986][ C0] __schedule+0x9a8/0xcc0 [ 165.763349][ C0] schedule+0x181/0x210 [ 165.767507][ C0] schedule_timeout+0x14f/0x240 [ 165.772352][ C0] ? run_local_timers+0x120/0x120 [ 165.777457][ C0] rcu_gp_kthread+0xed8/0x1770 [ 165.782217][ C0] kthread+0x332/0x350 [ 165.786272][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 165.791365][ C0] ? kthread_blkcg+0xe0/0xe0 [ 165.795944][ C0] ret_from_fork+0x24/0x30 [ 165.800359][ C0] rcu: rcu_preempt kthread starved for 10524 jiffies! g6333 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 165.811449][ C0] rcu: RCU grace-period kthread stack dump: [ 165.817334][ C0] rcu_preempt R running task 28992 10 2 0x80004008 [ 165.825215][ C0] Call Trace: [ 165.828485][ C0] [ 165.831329][ C0] sched_show_task+0x40f/0x560 [ 165.836117][ C0] rcu_check_gp_kthread_starvation+0x170/0x1b0 [ 165.842258][ C0] rcu_sched_clock_irq+0x17d3/0x1ad0 [ 165.847537][ C0] update_process_times+0x12d/0x180 [ 165.852722][ C0] tick_sched_timer+0x263/0x420 [ 165.857557][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.863090][ C0] __hrtimer_run_queues+0x403/0x840 [ 165.868288][ C0] hrtimer_interrupt+0x38c/0xda0 [ 165.873232][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.879956][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 165.885523][ C0] apic_timer_interrupt+0xf/0x20 [ 165.890448][ C0] [ 165.893378][ C0] RIP: 0010:__memcg_kmem_uncharge+0xd/0x2e0 [ 165.899259][ C0] Code: 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 dc 7d ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 <50> 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff df 4c 8d 77 38 4d 89 [ 165.919111][ C0] RSP: 0018:ffffc90000d0fc10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.927509][ C0] RAX: ffffffff81486ea4 RBX: ffffea0002600400 RCX: ffff8880a9de8280 [ 165.935477][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002600400 [ 165.943439][ C0] RBP: ffffc90000d0fc38 R08: 000000000003a768 R09: ffffed101501bebf [ 165.951397][ C0] R10: ffffed101501bebf R11: 0000000000000000 R12: ffff88809fb8f020 [ 165.959381][ C0] R13: dffffc0000000000 R14: 1ffff11013f71e04 R15: ffff8880a80df5e8 [ 165.967367][ C0] ? free_thread_stack+0x124/0x590 [ 165.972477][ C0] free_thread_stack+0x12e/0x590 [ 165.977406][ C0] put_task_stack+0xa3/0x130 [ 165.981983][ C0] finish_task_switch+0x3f1/0x550 [ 165.986999][ C0] __schedule+0x9a8/0xcc0 [ 165.991323][ C0] schedule+0x181/0x210 [ 165.995464][ C0] schedule_timeout+0x14f/0x240 [ 166.000298][ C0] ? run_local_timers+0x120/0x120 [ 166.005312][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.010070][ C0] kthread+0x332/0x350 [ 166.014124][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.019276][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.023853][ C0] ret_from_fork+0x24/0x30