[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 47.088233][ T23] audit: type=1800 audit(1575458715.040:25): pid=8228 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 47.107564][ T23] audit: type=1800 audit(1575458715.040:26): pid=8228 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.127921][ T23] audit: type=1800 audit(1575458715.040:27): pid=8228 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.61' (ECDSA) to the list of known hosts. 2019/12/04 11:25:27 fuzzer started 2019/12/04 11:25:29 dialing manager at 10.128.0.26:36481 2019/12/04 11:25:29 syscalls: 2691 2019/12/04 11:25:29 code coverage: enabled 2019/12/04 11:25:29 comparison tracing: enabled 2019/12/04 11:25:29 extra coverage: extra coverage is not supported by the kernel 2019/12/04 11:25:29 setuid sandbox: enabled 2019/12/04 11:25:29 namespace sandbox: enabled 2019/12/04 11:25:29 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 11:25:29 fault injection: enabled 2019/12/04 11:25:29 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 11:25:29 net packet injection: enabled 2019/12/04 11:25:29 net device setup: enabled 2019/12/04 11:25:29 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 11:25:29 devlink PCI setup: PCI device 0000:00:10.0 is not available 11:25:30 executing program 0: syz_open_procfs$namespace(0x0, &(0x7f0000000000)='ns/pid_for_children\x00') syz_open_procfs$namespace(0x0, &(0x7f0000000340)='ns/pid\x00') 11:25:30 executing program 1: bpf$MAP_CREATE(0x0, &(0x7f0000000500)={0x7, 0x4, 0x8, 0xf1a, 0x0, 0xffffffffffffffff, 0x0, [], 0x0, 0xffffffffffffffff, 0x0, 0xfffffffc}, 0x3c) syzkaller login: [ 62.854206][ T8395] IPVS: ftp: loaded support on port[0] = 21 11:25:30 executing program 2: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) unshare(0x2a000400) r1 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$SO_TIMESTAMP(r1, 0x1, 0x24, 0x0, &(0x7f0000000080)) [ 63.005477][ T8395] chnl_net:caif_netlink_parms(): no params data found [ 63.057992][ T8398] IPVS: ftp: loaded support on port[0] = 21 [ 63.078812][ T8395] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.097941][ T8395] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.106758][ T8395] device bridge_slave_0 entered promiscuous mode [ 63.128199][ T8395] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.150318][ T8395] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.170256][ T8395] device bridge_slave_1 entered promiscuous mode [ 63.242203][ T8395] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.257679][ T8400] IPVS: ftp: loaded support on port[0] = 21 [ 63.274574][ T8395] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 11:25:31 executing program 3: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_ASSOCINFO(r0, 0x84, 0x2, 0x0, 0x8) [ 63.324019][ T8395] team0: Port device team_slave_0 added [ 63.343647][ T8395] team0: Port device team_slave_1 added [ 63.483566][ T8395] device hsr_slave_0 entered promiscuous mode 11:25:31 executing program 4: r0 = clone3(&(0x7f0000000280)={0x0, 0x0, &(0x7f00000000c0), 0x0, 0x0, 0x0, &(0x7f0000003300)=""/4096, 0x1000, 0x0, 0x0}, 0x50) migrate_pages(r0, 0x8, 0x0, &(0x7f0000000040)=0x1) [ 63.549814][ T8395] device hsr_slave_1 entered promiscuous mode [ 63.606087][ T8398] chnl_net:caif_netlink_parms(): no params data found [ 63.692253][ T8403] IPVS: ftp: loaded support on port[0] = 21 [ 63.816201][ T8398] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.825754][ T8398] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.835991][ T8398] device bridge_slave_0 entered promiscuous mode [ 63.844677][ T8395] netdevsim netdevsim0 netdevsim0: renamed from eth0 11:25:31 executing program 5: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) ioctl$FITRIM(r0, 0xc0185879, &(0x7f0000000100)={0x0, 0x80000000}) [ 63.926251][ T8395] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.994106][ T8398] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.002268][ T8398] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.010881][ T8398] device bridge_slave_1 entered promiscuous mode [ 64.024322][ T8395] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.103223][ T8395] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.189159][ T8406] IPVS: ftp: loaded support on port[0] = 21 [ 64.191803][ T8400] chnl_net:caif_netlink_parms(): no params data found [ 64.206950][ T8398] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.223346][ T8398] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.236700][ T8410] IPVS: ftp: loaded support on port[0] = 21 [ 64.271286][ T8398] team0: Port device team_slave_0 added [ 64.281212][ T8398] team0: Port device team_slave_1 added [ 64.335161][ T8400] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.343367][ T8400] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.352715][ T8400] device bridge_slave_0 entered promiscuous mode [ 64.401493][ T8398] device hsr_slave_0 entered promiscuous mode [ 64.450062][ T8398] device hsr_slave_1 entered promiscuous mode [ 64.489931][ T8398] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.512514][ T8400] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.520673][ T8400] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.528549][ T8400] device bridge_slave_1 entered promiscuous mode [ 64.549127][ T8400] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.563543][ T8400] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.634363][ T8410] chnl_net:caif_netlink_parms(): no params data found [ 64.663834][ T8400] team0: Port device team_slave_0 added [ 64.726079][ T8400] team0: Port device team_slave_1 added [ 64.757518][ T8398] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.816262][ T8398] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 64.873237][ T8403] chnl_net:caif_netlink_parms(): no params data found [ 64.903346][ T8410] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.910879][ T8410] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.918581][ T8410] device bridge_slave_0 entered promiscuous mode [ 64.926068][ T8398] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 64.992343][ T8398] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.048843][ T8410] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.056297][ T8410] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.064513][ T8410] device bridge_slave_1 entered promiscuous mode [ 65.142117][ T8400] device hsr_slave_0 entered promiscuous mode [ 65.199910][ T8400] device hsr_slave_1 entered promiscuous mode [ 65.241836][ T8400] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.252949][ T8406] chnl_net:caif_netlink_parms(): no params data found [ 65.279042][ T8410] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.299652][ T8403] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.306777][ T8403] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.317707][ T8403] device bridge_slave_0 entered promiscuous mode [ 65.338739][ T8410] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.355913][ T8403] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.364381][ T8403] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.374382][ T8403] device bridge_slave_1 entered promiscuous mode [ 65.387720][ T8395] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.404672][ T8406] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.412275][ T8406] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.421145][ T8406] device bridge_slave_0 entered promiscuous mode [ 65.454678][ T8403] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.465652][ T8406] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.473069][ T8406] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.480847][ T8406] device bridge_slave_1 entered promiscuous mode [ 65.498275][ T8406] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.515098][ T8400] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 65.552464][ T8403] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.575538][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.584025][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.597421][ T8395] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.607054][ T8410] team0: Port device team_slave_0 added [ 65.614906][ T8410] team0: Port device team_slave_1 added [ 65.622274][ T8406] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.638707][ T8400] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.691153][ T8400] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.725532][ T8400] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.821506][ T8410] device hsr_slave_0 entered promiscuous mode [ 65.859952][ T8410] device hsr_slave_1 entered promiscuous mode [ 65.909801][ T8410] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.926441][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.935248][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.944306][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.952227][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.973156][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.983825][ T8406] team0: Port device team_slave_0 added [ 65.996622][ T8406] team0: Port device team_slave_1 added [ 66.005218][ T8403] team0: Port device team_slave_0 added [ 66.044692][ T8408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.054099][ T8408] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.063290][ T8408] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.070425][ T8408] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.142386][ T8406] device hsr_slave_0 entered promiscuous mode [ 66.170039][ T8406] device hsr_slave_1 entered promiscuous mode [ 66.229841][ T8406] debugfs: Directory 'hsr0' with parent '/' already present! [ 66.246265][ T8403] team0: Port device team_slave_1 added [ 66.252840][ T8410] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 66.301882][ T8410] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 66.342284][ T8410] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 66.394613][ T8398] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.419810][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.431466][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.440983][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.450063][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.458412][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.467035][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.475540][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.484384][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.494881][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.503746][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.513104][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.521100][ T8410] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 66.618559][ T8395] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.653683][ T8403] device hsr_slave_0 entered promiscuous mode [ 66.709965][ T8403] device hsr_slave_1 entered promiscuous mode [ 66.749745][ T8403] debugfs: Directory 'hsr0' with parent '/' already present! [ 66.757486][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.765518][ T3067] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.775713][ T8398] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.783323][ T8406] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 66.864570][ T8406] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 66.904766][ T8406] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 66.942177][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.951100][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.960104][ T3695] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.967170][ T3695] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.974996][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.984167][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.993125][ T3695] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.000241][ T3695] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.007815][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.016964][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.026025][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.042447][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.052432][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.064198][ T8406] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 67.100214][ T8400] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.124123][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.132892][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.141762][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.165637][ T8395] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.175688][ T8409] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.187157][ T8409] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.236511][ T8403] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.271782][ T8403] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.301299][ T8408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.312036][ T8408] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.322562][ T8408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.332739][ T8408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.347837][ T8410] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.357019][ T8400] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.367754][ T8398] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.385233][ T8398] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.394225][ T8403] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 172.439319][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 172.446364][ C0] (detected by 0, t=10502 jiffies, g=7153, q=89) [ 172.452768][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294954365-4294943862), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 172.466113][ C0] udevd R running task 24224 4087 1 0x0000400a [ 172.474034][ C0] Call Trace: [ 172.477328][ C0] [ 172.480255][ C0] sched_show_task+0x40f/0x560 [ 172.485033][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 172.490672][ C0] update_process_times+0x12d/0x180 [ 172.496199][ C0] tick_sched_timer+0x263/0x420 [ 172.501065][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 172.506985][ C0] __hrtimer_run_queues+0x403/0x840 [ 172.512196][ C0] hrtimer_interrupt+0x38c/0xda0 [ 172.517141][ C0] ? debug_smp_processor_id+0x9/0x20 [ 172.522593][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 172.528140][ C0] apic_timer_interrupt+0xf/0x20 [ 172.533582][ C0] [ 172.536513][ C0] RIP: 0010:free_thread_stack+0x182/0x590 [ 172.542225][ C0] Code: a0 69 00 48 8b 3b be fc ff ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 09 a0 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 <48> c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 eb 9f 69 00 48 8b 1b [ 172.561825][ C0] RSP: 0018:ffffc900017e7b10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 172.570226][ C0] RAX: ffff88808c66ee88 RBX: ffff88808c66ee88 RCX: ffff888094fee2c0 [ 172.578184][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000252f400 [ 172.586158][ C0] RBP: ffffc900017e7b48 R08: 000000000003a728 R09: ffffed10149212a7 [ 172.594131][ C0] R10: ffffed10149212a7 R11: 0000000000000000 R12: ffff88808c66ef20 [ 172.602093][ C0] R13: dffffc0000000000 R14: 1ffff110118cdde4 R15: ffff8880a4909528 [ 172.610082][ C0] put_task_stack+0xa3/0x130 [ 172.614667][ C0] finish_task_switch+0x3f1/0x550 [ 172.619784][ C0] __schedule+0x9a8/0xcc0 [ 172.624112][ C0] schedule+0x181/0x210 [ 172.628288][ C0] schedule_hrtimeout_range_clock+0x108/0x510 [ 172.634348][ C0] ? _raw_spin_unlock_irq+0x22/0x80 [ 172.639547][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 172.644990][ C0] ep_poll+0xa4d/0xe80 [ 172.649078][ C0] ? debug_smp_processor_id+0x1c/0x20 [ 172.654453][ C0] ? do_task_dead+0xc0/0xc0 [ 172.658957][ C0] do_epoll_wait+0x1ee/0x260 [ 172.663569][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 172.668590][ C0] do_syscall_64+0xf7/0x1c0 [ 172.673093][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.678989][ C0] RIP: 0033:0x7f3e219f9943 [ 172.683397][ C0] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 172.703687][ C0] RSP: 002b:00007fffc158d2d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 172.712349][ C0] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f3e219f9943 [ 172.720325][ C0] RDX: 0000000000000008 RSI: 00007fffc158d3d0 RDI: 000000000000000a [ 172.728295][ C0] RBP: 0000000001414b40 R08: 0000000000000000 R09: 0000000000000001 [ 172.736261][ C0] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000003 [ 172.744324][ C0] R13: 0000000000000010 R14: 000000000142c900 R15: 0000000001413250 [ 172.752307][ C0] rcu: rcu_preempt kthread starved for 10533 jiffies! g7153 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 172.763392][ C0] rcu: RCU grace-period kthread stack dump: [ 172.769442][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 172.778546][ C0] Call Trace: [ 172.781830][ C0] __schedule+0x9a0/0xcc0 [ 172.786169][ C0] schedule+0x181/0x210 [ 172.790320][ C0] schedule_timeout+0x14f/0x240 [ 172.795159][ C0] ? run_local_timers+0x120/0x120 [ 172.800352][ C0] rcu_gp_kthread+0xed8/0x1770 [ 172.805137][ C0] kthread+0x332/0x350 [ 172.809202][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 172.814330][ C0] ? kthread_blkcg+0xe0/0xe0 [ 172.818929][ C0] ret_from_fork+0x24/0x30