[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 50.522020][ T23] audit: type=1800 audit(1578485377.003:25): pid=8290 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 50.541324][ T23] audit: type=1800 audit(1578485377.013:26): pid=8290 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 50.562101][ T23] audit: type=1800 audit(1578485377.013:27): pid=8290 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 '10.128.0.143' (ECDSA) to the list of known hosts. 2020/01/08 12:09:48 fuzzer started 2020/01/08 12:09:49 dialing manager at 10.128.0.26:35703 2020/01/08 12:09:50 syscalls: 2824 2020/01/08 12:09:50 code coverage: enabled 2020/01/08 12:09:50 comparison tracing: enabled 2020/01/08 12:09:50 extra coverage: enabled 2020/01/08 12:09:50 setuid sandbox: enabled 2020/01/08 12:09:50 namespace sandbox: enabled 2020/01/08 12:09:50 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 12:09:50 fault injection: enabled 2020/01/08 12:09:50 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 12:09:50 net packet injection: enabled 2020/01/08 12:09:50 net device setup: enabled 2020/01/08 12:09:50 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 12:09:50 devlink PCI setup: PCI device 0000:00:10.0 is not available 12:09:51 executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x275a, 0x0) sendmsg(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000580)=[{&(0x7f0000000140)="5500000020007fafb72d13b2a4a2809302000000030b43026c26236925000d00fe7f0000bd2dca8a9848a3c728f1c46b7b31afdc1338d509000000000100005ae5", 0x41}], 0x1}, 0x0) write$binfmt_script(r0, &(0x7f0000000100)=ANY=[@ANYRES64], 0x1ca) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x8a232054f339355d, 0x10012, r0, 0x0) r1 = socket(0x22, 0x2, 0x2) setsockopt$inet6_icmp_ICMP_FILTER(r1, 0x2, 0x1, &(0x7f0000000080), 0x4) 12:09:51 executing program 1: r0 = creat(&(0x7f00000017c0)='./file0\x00', 0x0) clone(0x2000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff}, 0x0) mount$9p_fd(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='9p\x00', 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r0}}) syzkaller login: [ 64.692386][ T8457] IPVS: ftp: loaded support on port[0] = 21 12:09:51 executing program 2: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_group_source_req(r0, 0x29, 0x2e, &(0x7f0000000000)={0x1, {{0xa, 0x0, 0x0, @mcast1}}, {{0xa, 0x0, 0x0, @remote}}}, 0x108) setsockopt$inet6_group_source_req(r0, 0x29, 0x2c, &(0x7f0000000200)={0x1, {{0xa, 0x0, 0x0, @mcast1}}, {{0xa, 0x0, 0x0, @mcast1}}}, 0x108) [ 64.870029][ T8457] chnl_net:caif_netlink_parms(): no params data found [ 64.958139][ T8460] IPVS: ftp: loaded support on port[0] = 21 [ 64.979547][ T8457] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.987773][ T8457] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.996983][ T8457] device bridge_slave_0 entered promiscuous mode [ 65.005918][ T8457] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.018629][ T8457] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.027025][ T8457] device bridge_slave_1 entered promiscuous mode [ 65.062246][ T8457] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.089942][ T8457] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 12:09:51 executing program 3: pipe(&(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f0000000840)=[{&(0x7f0000000680)="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", 0xffffff32}], 0x1, 0x0) close(r1) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f00000000c0)=0x800000100000001, 0x4) ioctl$int_in(r1, 0x5421, &(0x7f00000001c0)=0x1000) connect$inet6(r2, &(0x7f0000000140), 0x1c) setsockopt$inet6_tcp_TCP_ULP(r2, 0x6, 0x1f, &(0x7f0000000040)='tls\x00', 0x355) setsockopt$inet6_tcp_TLS_TX(r1, 0x11a, 0x1, &(0x7f0000000100)=@gcm_128={{0x303}, "67fe99d8cc1b9c2e", "3ae137adbdf67e59f8eb33778520749e", "78f3a4f7", "716a7d3fa373e415"}, 0x28) splice(r0, 0x0, r1, 0x0, 0x100000000, 0x0) [ 65.138938][ T8457] team0: Port device team_slave_0 added [ 65.153303][ T8457] team0: Port device team_slave_1 added [ 65.235370][ T8462] IPVS: ftp: loaded support on port[0] = 21 [ 65.308470][ T8457] device hsr_slave_0 entered promiscuous mode 12:09:51 executing program 4: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_elf64(r3, &(0x7f0000000040)=ANY=[@ANYPTR64=&(0x7f0000000000)=ANY=[@ANYRES16=0x0]], 0xfd3f) rt_sigprocmask(0x0, &(0x7f0000032ff8)={0xfffffffffffffffe}, 0x0, 0x8) close(r2) pipe(&(0x7f00000006c0)={0xffffffffffffffff, 0xffffffffffffffff}) close(r5) tee(r4, r3, 0x4, 0x0) [ 65.365558][ T8457] device hsr_slave_1 entered promiscuous mode [ 65.413923][ T8460] chnl_net:caif_netlink_parms(): no params data found [ 65.433251][ T8465] IPVS: ftp: loaded support on port[0] = 21 [ 65.611595][ T8460] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.623163][ T8460] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.631251][ T8460] device bridge_slave_0 entered promiscuous mode [ 65.652563][ T8467] IPVS: ftp: loaded support on port[0] = 21 [ 65.672235][ T8460] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.680978][ T8460] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.688930][ T8460] device bridge_slave_1 entered promiscuous mode 12:09:52 executing program 5: r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f00000001c0)=ANY=[@ANYBLOB="01e2ff00", @ANYRES32=0x0], &(0x7f00000000c0)=0xfe10) setsockopt$inet_sctp6_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000080)={r1}, 0x8) [ 65.758771][ T8457] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.808141][ T8457] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.886711][ T8457] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.943248][ T8457] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.001326][ T8470] IPVS: ftp: loaded support on port[0] = 21 [ 66.009079][ T8460] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.020825][ T8460] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.051947][ T8462] chnl_net:caif_netlink_parms(): no params data found [ 66.086599][ T8460] team0: Port device team_slave_0 added [ 66.093456][ T8460] team0: Port device team_slave_1 added [ 66.110937][ T8465] chnl_net:caif_netlink_parms(): no params data found [ 66.136957][ T8462] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.144339][ T8462] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.151925][ T8462] device bridge_slave_0 entered promiscuous mode [ 66.187407][ T8462] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.197185][ T8462] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.204897][ T8462] device bridge_slave_1 entered promiscuous mode [ 66.226114][ T8465] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.233215][ T8465] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.240976][ T8465] device bridge_slave_0 entered promiscuous mode [ 66.253108][ T8465] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.260403][ T8465] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.268045][ T8465] device bridge_slave_1 entered promiscuous mode [ 66.282652][ T8462] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.356841][ T8460] device hsr_slave_0 entered promiscuous mode [ 66.414436][ T8460] device hsr_slave_1 entered promiscuous mode [ 66.454243][ T8460] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.462027][ T8460] Cannot create hsr debugfs directory [ 66.473161][ T8462] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.521140][ T8465] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.543076][ T8467] chnl_net:caif_netlink_parms(): no params data found [ 66.552693][ T8465] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.567268][ T8462] team0: Port device team_slave_0 added [ 66.601635][ T8465] team0: Port device team_slave_0 added [ 66.609989][ T8462] team0: Port device team_slave_1 added [ 66.639173][ T8465] team0: Port device team_slave_1 added [ 66.696889][ T8462] device hsr_slave_0 entered promiscuous mode [ 66.754582][ T8462] device hsr_slave_1 entered promiscuous mode [ 66.814315][ T8462] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.821906][ T8462] Cannot create hsr debugfs directory [ 66.879897][ T8470] chnl_net:caif_netlink_parms(): no params data found [ 66.926905][ T8465] device hsr_slave_0 entered promiscuous mode [ 66.974835][ T8465] device hsr_slave_1 entered promiscuous mode [ 67.034317][ T8465] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.041892][ T8465] Cannot create hsr debugfs directory [ 67.066589][ T8467] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.073663][ T8467] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.082107][ T8467] device bridge_slave_0 entered promiscuous mode [ 67.100889][ T8457] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.122354][ T8467] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.129704][ T8467] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.137908][ T8467] device bridge_slave_1 entered promiscuous mode [ 67.168893][ T8457] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.196372][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.205316][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.251991][ T8467] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.263433][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.272689][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.281375][ T2758] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.288573][ T2758] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.296852][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.305127][ T8460] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.355426][ T8470] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.362597][ T8470] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.373237][ T8470] device bridge_slave_0 entered promiscuous mode [ 67.382989][ T8470] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.390223][ T8470] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.397928][ T8470] device bridge_slave_1 entered promiscuous mode [ 67.412002][ T8467] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.428328][ T8460] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.479772][ T8460] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.518228][ T8460] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.598663][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.607280][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.615978][ T2864] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.623058][ T2864] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.638081][ T8470] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.656154][ T8467] team0: Port device team_slave_0 added [ 67.661995][ T8462] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.721270][ T8470] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.738712][ T8467] team0: Port device team_slave_1 added [ 67.746306][ T8462] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.797528][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.806385][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.844407][ T8462] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.887475][ T8462] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.935936][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.947403][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.955945][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.964599][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.972956][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.985114][ T8470] team0: Port device team_slave_0 added [ 68.026904][ T8467] device hsr_slave_0 entered promiscuous mode [ 68.074953][ T8467] device hsr_slave_1 entered promiscuous mode [ 68.114250][ T8467] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.121843][ T8467] Cannot create hsr debugfs directory [ 68.141431][ T8470] team0: Port device team_slave_1 added [ 68.147393][ T8465] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.186934][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.198019][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.206223][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.214586][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.241957][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.252246][ T8465] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.286615][ T8465] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.338953][ T8465] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.426970][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.435517][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.451895][ T8457] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.496622][ T8470] device hsr_slave_0 entered promiscuous mode [ 68.534563][ T8470] device hsr_slave_1 entered promiscuous mode [ 68.574296][ T8470] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.582419][ T8470] Cannot create hsr debugfs directory [ 68.678166][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.687960][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.697879][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.706433][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.723442][ T8467] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.771127][ T8457] device veth0_vlan entered promiscuous mode [ 68.787425][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.796490][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.810244][ T8462] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.817942][ T8467] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.897108][ T8467] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.936698][ T8467] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.010649][ T8460] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.021252][ T8457] device veth1_vlan entered promiscuous mode [ 69.031312][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.041101][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.049906][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.060066][ T8462] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.083720][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.091681][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.099698][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.124501][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.133035][ T2758] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.154846][ T2758] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.161981][ T2758] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.210470][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.235709][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.254539][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.262971][ T2698] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.270085][ T2698] bridge0: port 2(bridge_slave_1) entered forwarding state [ 174.244081][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 174.251143][ C0] (detected by 0, t=10502 jiffies, g=6617, q=67) [ 174.257551][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294954576-4294944073), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 174.270894][ C0] ksoftirqd/0 R running task 25280 9 2 0x80004008 [ 174.278801][ C0] Call Trace: [ 174.282071][ C0] [ 174.284914][ C0] sched_show_task+0x40f/0x560 [ 174.289675][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 174.294957][ C0] update_process_times+0x12d/0x180 [ 174.300148][ C0] tick_sched_timer+0x263/0x420 [ 174.304996][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 174.310528][ C0] __hrtimer_run_queues+0x403/0x840 [ 174.315727][ C0] hrtimer_interrupt+0x38c/0xda0 [ 174.320666][ C0] ? debug_smp_processor_id+0x9/0x20 [ 174.325943][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 174.331478][ C0] apic_timer_interrupt+0xf/0x20 [ 174.336398][ C0] [ 174.339326][ C0] RIP: 0010:__memcg_kmem_uncharge+0x44/0x1a0 [ 174.345293][ 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 48 07 fb ff 4d 8b 3e b8 01 00 00 00 89 d9 d3 e0 <4d> 85 ff 0f 84 de 00 00 00 4c 39 3d a4 be ac 07 0f 84 2c 01 00 00 [ 174.364886][ C0] RSP: 0018:ffffc90000cffc70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 174.373285][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 174.381253][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002305040 [ 174.389214][ C0] RBP: ffffc90000cffca0 R08: dffffc0000000000 R09: fffffbfff12c962d [ 174.397174][ C0] R10: fffffbfff12c962d R11: 0000000000000000 R12: ffffea0002305040 [ 174.405131][ C0] R13: 1ffffd4000460a0f R14: ffffea0002305078 R15: 0000000000000000 [ 174.413111][ C0] ? free_thread_stack+0x124/0x590 [ 174.418214][ C0] free_thread_stack+0x12e/0x590 [ 174.423142][ C0] put_task_stack+0xa3/0x130 [ 174.427724][ C0] finish_task_switch+0x3f1/0x550 [ 174.432781][ C0] __schedule+0x9a8/0xcc0 [ 174.437120][ C0] schedule+0x181/0x210 [ 174.441262][ C0] smpboot_thread_fn+0x65f/0x9a0 [ 174.446197][ C0] kthread+0x332/0x350 [ 174.450250][ C0] ? cpu_report_death+0x120/0x120 [ 174.455260][ C0] ? kthread_blkcg+0xe0/0xe0 [ 174.459838][ C0] ret_from_fork+0x24/0x30 [ 174.464259][ C0] rcu: rcu_preempt kthread starved for 10524 jiffies! g6617 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 174.475352][ C0] rcu: RCU grace-period kthread stack dump: [ 174.481235][ C0] rcu_preempt R running task 28864 10 2 0x80004000 [ 174.489136][ C0] Call Trace: [ 174.492432][ C0] __schedule+0x9a0/0xcc0 [ 174.496760][ C0] schedule+0x181/0x210 [ 174.500929][ C0] schedule_timeout+0x14f/0x240 [ 174.505769][ C0] ? run_local_timers+0x120/0x120 [ 174.510800][ C0] rcu_gp_kthread+0xed8/0x1770 [ 174.515561][ C0] kthread+0x332/0x350 [ 174.519617][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 174.524718][ C0] ? kthread_blkcg+0xe0/0xe0 [ 174.529309][ C0] ret_from_fork+0x24/0x30