[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.664843][ T23] audit: type=1800 audit(1575422826.179:25): pid=8106 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.692173][ T23] audit: type=1800 audit(1575422826.179:26): pid=8106 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.742883][ T23] audit: type=1800 audit(1575422826.189:27): pid=8106 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 '10.128.0.168' (ECDSA) to the list of known hosts. 2019/12/04 01:27:14 fuzzer started 2019/12/04 01:27:15 dialing manager at 10.128.0.26:42111 2019/12/04 01:27:15 syscalls: 2689 2019/12/04 01:27:15 code coverage: enabled 2019/12/04 01:27:15 comparison tracing: enabled 2019/12/04 01:27:15 extra coverage: extra coverage is not supported by the kernel 2019/12/04 01:27:15 setuid sandbox: enabled 2019/12/04 01:27:15 namespace sandbox: enabled 2019/12/04 01:27:15 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 01:27:15 fault injection: enabled 2019/12/04 01:27:15 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 01:27:15 net packet injection: enabled 2019/12/04 01:27:15 net device setup: enabled 2019/12/04 01:27:15 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 01:27:15 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:27:16 executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000300)={0x2, &(0x7f00000001c0)=[{0x6c}, {0x6, 0x0, 0x0, 0x50000}]}) 01:27:17 executing program 1: lookup_dcookie(0x0, 0x0, 0x0) syzkaller login: [ 55.591270][ T8273] IPVS: ftp: loaded support on port[0] = 21 [ 55.688185][ T8275] IPVS: ftp: loaded support on port[0] = 21 01:27:17 executing program 2: r0 = syz_open_dev$vbi(&(0x7f0000000040)='/dev/vbi#\x00', 0x0, 0x2) ioctl$VIDIOC_G_SLICED_VBI_CAP(r0, 0xc0745645, &(0x7f0000000200)={0x0, [], 0x2}) [ 55.816882][ T8273] chnl_net:caif_netlink_parms(): no params data found [ 55.879162][ T8275] chnl_net:caif_netlink_parms(): no params data found [ 55.955772][ T8273] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.964175][ T8273] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.982866][ T8273] device bridge_slave_0 entered promiscuous mode [ 56.003202][ T8273] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.010278][ T8273] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.018173][ T8273] device bridge_slave_1 entered promiscuous mode [ 56.037721][ T8275] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.045016][ T8275] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.052971][ T8275] device bridge_slave_0 entered promiscuous mode [ 56.070270][ T8275] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.078981][ T8275] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.086963][ T8275] device bridge_slave_1 entered promiscuous mode [ 56.094828][ T8279] IPVS: ftp: loaded support on port[0] = 21 01:27:17 executing program 3: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0xeb, 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_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndctrl(&(0x7f0000000240)='/dev/snd/controlC#\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_PVERSION(r0, 0xc4c85513, &(0x7f0000001000)) [ 56.102450][ T8273] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.121964][ T8273] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.145985][ T8275] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.194433][ T8275] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.207183][ T8273] team0: Port device team_slave_0 added [ 56.227797][ T8273] team0: Port device team_slave_1 added [ 56.246513][ T8275] team0: Port device team_slave_0 added [ 56.294917][ T8275] team0: Port device team_slave_1 added [ 56.346266][ T8273] device hsr_slave_0 entered promiscuous mode 01:27:17 executing program 4: r0 = socket$inet6(0x10, 0x3, 0x0) sendmsg(r0, &(0x7f0000000040)={0x0, 0x3f000000, &(0x7f0000000000)=[{&(0x7f0000000140)="5500000018007fd500fe01b2a4a280930a06030000a843089100fe803900080008000a0000dc13382d0003009b7a136ef75afb83de448daa72540d8102d2c55327c43ab8220000060cec4fab91d40000000000ffff", 0x55}], 0x1}, 0x0) [ 56.422986][ T8273] device hsr_slave_1 entered promiscuous mode [ 56.518278][ T8279] chnl_net:caif_netlink_parms(): no params data found [ 56.570374][ T8282] IPVS: ftp: loaded support on port[0] = 21 01:27:18 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_ENABLE_CAP_CPU(r2, 0xc008ae88, &(0x7f00000000c0)={0x7a, 0x4, [0x0, 0x0, 0x1a0], [0x3a]}) [ 56.665659][ T8275] device hsr_slave_0 entered promiscuous mode [ 56.704870][ T8275] device hsr_slave_1 entered promiscuous mode [ 56.762366][ T8275] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.776689][ T8279] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.786616][ T8279] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.794620][ T8279] device bridge_slave_0 entered promiscuous mode [ 56.810016][ T8284] IPVS: ftp: loaded support on port[0] = 21 [ 56.810021][ T8286] IPVS: ftp: loaded support on port[0] = 21 [ 56.816503][ T8279] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.830383][ T8279] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.838956][ T8279] device bridge_slave_1 entered promiscuous mode [ 56.854233][ T8273] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.896139][ T8273] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.945909][ T8273] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.004017][ T8273] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.116740][ T8279] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.130347][ T8279] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.153795][ T8275] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.206704][ T8275] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.272707][ T8279] team0: Port device team_slave_0 added [ 57.281978][ T8279] team0: Port device team_slave_1 added [ 57.287802][ T8275] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.346590][ T8275] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.464354][ T8279] device hsr_slave_0 entered promiscuous mode [ 57.523872][ T8279] device hsr_slave_1 entered promiscuous mode [ 57.562351][ T8279] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.684923][ T8286] chnl_net:caif_netlink_parms(): no params data found [ 57.705867][ T8279] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.746709][ T8279] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.803604][ T8282] chnl_net:caif_netlink_parms(): no params data found [ 57.823156][ T8273] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.845275][ T8279] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.898438][ T8279] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.012024][ T8284] chnl_net:caif_netlink_parms(): no params data found [ 58.034949][ T8282] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.042959][ T8282] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.050854][ T8282] device bridge_slave_0 entered promiscuous mode [ 58.058388][ T8286] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.065881][ T8286] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.073819][ T8286] device bridge_slave_0 entered promiscuous mode [ 58.086768][ T8286] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.094278][ T8286] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.102719][ T8286] device bridge_slave_1 entered promiscuous mode [ 58.114949][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.125853][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.135313][ T8282] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.143252][ T8282] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.151194][ T8282] device bridge_slave_1 entered promiscuous mode [ 58.176599][ T8275] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.197978][ T8286] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.211738][ T8273] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.224920][ T8282] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.249196][ T8286] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.266219][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.274937][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.284283][ T8282] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.300785][ T8275] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.314152][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.323166][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.333666][ T48] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.340958][ T48] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.349207][ T8284] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.359386][ T8284] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.367456][ T8284] device bridge_slave_0 entered promiscuous mode [ 58.388484][ T8282] team0: Port device team_slave_0 added [ 58.407582][ T3116] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.415723][ T3116] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.424544][ T3116] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.432986][ T3116] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.440039][ T3116] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.448744][ T3116] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.457630][ T3116] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.467156][ T8284] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.475154][ T8284] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.485085][ T8284] device bridge_slave_1 entered promiscuous mode [ 58.495197][ T8286] team0: Port device team_slave_0 added [ 58.504534][ T8282] team0: Port device team_slave_1 added [ 58.536664][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.545523][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.554371][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.561405][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.569180][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.578019][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.586672][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.593760][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.611835][ T8279] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.626215][ T8286] team0: Port device team_slave_1 added [ 58.705472][ T8282] device hsr_slave_0 entered promiscuous mode [ 58.742592][ T8282] device hsr_slave_1 entered promiscuous mode [ 58.782289][ T8282] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.793204][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.801087][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.810484][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.823929][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.833219][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.841469][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.849885][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.858437][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.867366][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.875819][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.898265][ T8273] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.911476][ T8279] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.920055][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.930081][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.938928][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.947941][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.958067][ T8284] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.969352][ T8284] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.999444][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.008464][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.018613][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.027518][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.038870][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.058220][ T8275] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.069588][ T8275] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.133972][ T8286] device hsr_slave_0 entered promiscuous mode [ 59.172732][ T8286] device hsr_slave_1 entered promiscuous mode [ 59.212322][ T8286] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.220245][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.228906][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.237470][ T2945] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.244537][ T2945] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.252309][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.260565][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.269325][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.277983][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.286760][ T2945] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.293862][ T2945] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.301554][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.309930][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.318239][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.343975][ T8284] team0: Port device team_slave_0 added [ 59.349786][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.357746][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.366712][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.374447][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.381825][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.390783][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.399533][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.408009][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.416742][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.425606][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.434338][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.455896][ T8273] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.466854][ T8279] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.478419][ T8279] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.491464][ T8284] team0: Port device team_slave_1 added [ 59.503026][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.511491][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.519922][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.530931][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.538784][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.547183][ T8282] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.584931][ T8279] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.666648][ T8284] device hsr_slave_0 entered promiscuous mode [ 59.722564][ T8284] device hsr_slave_1 entered promiscuous mode [ 59.773033][ T8284] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.780973][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.788485][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.796331][ T8282] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.837962][ T8275] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.853229][ T8286] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 164.882086][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 164.889073][ C1] (detected by 1, t=10502 jiffies, g=6393, q=151) [ 164.895580][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953636-4294943133), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 164.908934][ C1] rcu_preempt R running task 29032 10 2 0x80004008 [ 164.916822][ C1] Call Trace: [ 164.920093][ C1] [ 164.922937][ C1] sched_show_task+0x40f/0x560 [ 164.927693][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 164.932974][ C1] update_process_times+0x12d/0x180 [ 164.938166][ C1] tick_sched_timer+0x263/0x420 [ 164.943039][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.948572][ C1] __hrtimer_run_queues+0x403/0x840 [ 164.953779][ C1] hrtimer_interrupt+0x38c/0xda0 [ 164.958719][ C1] ? debug_smp_processor_id+0x9/0x20 [ 164.963995][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 164.969663][ C1] apic_timer_interrupt+0xf/0x20 [ 164.974607][ C1] [ 164.977561][ C1] RIP: 0010:free_thread_stack+0x124/0x590 [ 164.983279][ 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 [ 165.002966][ C1] RSP: 0018:ffffc90000d0fc48 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 165.011549][ C1] RAX: ffffffff81486ea4 RBX: ffffea00029d8580 RCX: ffff8880a9de8280 [ 165.019706][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00029d8580 [ 165.027695][ C1] RBP: ffffc90000d0fc80 R08: dffffc0000000000 R09: fffffbfff120248a [ 165.035655][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff88808b8b99a0 [ 165.043614][ C1] R13: dffffc0000000000 R14: 1ffff11011717334 R15: ffff888094e23828 [ 165.051683][ C1] ? free_thread_stack+0x124/0x590 [ 165.056787][ C1] ? free_thread_stack+0x124/0x590 [ 165.061884][ C1] put_task_stack+0xa3/0x130 [ 165.066462][ C1] finish_task_switch+0x3f1/0x550 [ 165.071567][ C1] __schedule+0x9a8/0xcc0 [ 165.075890][ C1] schedule+0x181/0x210 [ 165.080031][ C1] schedule_timeout+0x14f/0x240 [ 165.084869][ C1] ? run_local_timers+0x120/0x120 [ 165.089883][ C1] rcu_gp_kthread+0xed8/0x1770 [ 165.094643][ C1] kthread+0x332/0x350 [ 165.098709][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 165.103806][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.108394][ C1] ret_from_fork+0x24/0x30 [ 165.112811][ C1] rcu: rcu_preempt kthread starved for 10525 jiffies! g6393 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 165.123894][ C1] rcu: RCU grace-period kthread stack dump: [ 165.129774][ C1] rcu_preempt R running task 29032 10 2 0x80004008 [ 165.137669][ C1] Call Trace: [ 165.140942][ C1] [ 165.143786][ C1] sched_show_task+0x40f/0x560 [ 165.148543][ C1] rcu_check_gp_kthread_starvation+0x170/0x1b0 [ 165.154691][ C1] rcu_sched_clock_irq+0x17d3/0x1ad0 [ 165.160062][ C1] update_process_times+0x12d/0x180 [ 165.165251][ C1] tick_sched_timer+0x263/0x420 [ 165.170121][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.175659][ C1] __hrtimer_run_queues+0x403/0x840 [ 165.180869][ C1] hrtimer_interrupt+0x38c/0xda0 [ 165.185843][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.191120][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.196918][ C1] apic_timer_interrupt+0xf/0x20 [ 165.201867][ C1] [ 165.204798][ C1] RIP: 0010:free_thread_stack+0x124/0x590 [ 165.210502][ 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 [ 165.230093][ C1] RSP: 0018:ffffc90000d0fc48 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 165.238500][ C1] RAX: ffffffff81486ea4 RBX: ffffea00029d8580 RCX: ffff8880a9de8280 [ 165.246456][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00029d8580 [ 165.254533][ C1] RBP: ffffc90000d0fc80 R08: dffffc0000000000 R09: fffffbfff120248a [ 165.262494][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff88808b8b99a0 [ 165.270452][ C1] R13: dffffc0000000000 R14: 1ffff11011717334 R15: ffff888094e23828 [ 165.278423][ C1] ? free_thread_stack+0x124/0x590 [ 165.283529][ C1] ? free_thread_stack+0x124/0x590 [ 165.288633][ C1] put_task_stack+0xa3/0x130 [ 165.293214][ C1] finish_task_switch+0x3f1/0x550 [ 165.298243][ C1] __schedule+0x9a8/0xcc0 [ 165.302568][ C1] schedule+0x181/0x210 [ 165.306713][ C1] schedule_timeout+0x14f/0x240 [ 165.311550][ C1] ? run_local_timers+0x120/0x120 [ 165.316574][ C1] rcu_gp_kthread+0xed8/0x1770 [ 165.321371][ C1] kthread+0x332/0x350 [ 165.325440][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 165.330546][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.335129][ C1] ret_from_fork+0x24/0x30