[ 40.757862][ T23] audit: type=1800 audit(1575365361.377:27): pid=7930 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 40.800810][ T23] audit: type=1800 audit(1575365361.377:28): pid=7930 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. [ 41.352127][ T23] audit: type=1800 audit(1575365362.037:29): pid=7930 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 41.371779][ T23] audit: type=1800 audit(1575365362.037:30): pid=7930 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.56' (ECDSA) to the list of known hosts. 2019/12/03 09:29:30 fuzzer started 2019/12/03 09:29:31 dialing manager at 10.128.0.26:38907 2019/12/03 09:29:31 syscalls: 2697 2019/12/03 09:29:31 code coverage: enabled 2019/12/03 09:29:31 comparison tracing: enabled 2019/12/03 09:29:31 extra coverage: extra coverage is not supported by the kernel 2019/12/03 09:29:31 setuid sandbox: enabled 2019/12/03 09:29:31 namespace sandbox: enabled 2019/12/03 09:29:31 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 09:29:31 fault injection: enabled 2019/12/03 09:29:31 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 09:29:31 net packet injection: enabled 2019/12/03 09:29:31 net device setup: enabled 2019/12/03 09:29:31 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 09:29:31 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:29:32 executing program 0: sendmsg(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0xffffffffffffff07, &(0x7f0000000080), 0x54c672c49e793c2, 0x0, 0xff4b}, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, '\x00', 0x1fffff}, 0x18) ioctl$sock_ifreq(r0, 0x800000089f9, &(0x7f0000000180)={'sit0\x00\x00\x00\x00\x00\x00\xff\xff\x00\x00Z\x00', @ifru_flags=0x2}) 09:29:33 executing program 1: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(r0, &(0x7f0000000080)={0x3, 0x40, 0xfa00, {{0x3, 0x0, 0x0, @empty}, {0xa, 0x0, 0x0, @initdev}}}, 0x48) syzkaller login: [ 52.298671][ T8093] IPVS: ftp: loaded support on port[0] = 21 [ 52.448027][ T8093] chnl_net:caif_netlink_parms(): no params data found [ 52.477531][ T8096] IPVS: ftp: loaded support on port[0] = 21 [ 52.519766][ T8093] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.530200][ T8093] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.538318][ T8093] device bridge_slave_0 entered promiscuous mode [ 52.548876][ T8093] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.556459][ T8093] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.565404][ T8093] device bridge_slave_1 entered promiscuous mode [ 52.591163][ T8093] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.624622][ T8093] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 09:29:33 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000240)={0xffffffffffffffff, 0xb, 0x0, 0x0, 0x0}, 0x20) [ 52.655973][ T8093] team0: Port device team_slave_0 added [ 52.715425][ T8093] team0: Port device team_slave_1 added [ 52.761627][ T8096] chnl_net:caif_netlink_parms(): no params data found 09:29:33 executing program 3: r0 = socket$isdn(0x22, 0x2, 0x21) r1 = socket$isdn(0x22, 0x2, 0x10) r2 = dup2(r0, r1) ioctl$KVM_SET_USER_MEMORY_REGION(r2, 0x4020ae46, 0x0) [ 52.844424][ T8093] device hsr_slave_0 entered promiscuous mode 09:29:33 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = io_uring_setup(0xa4, &(0x7f0000000100)) io_uring_register$IORING_REGISTER_FILES(r3, 0x2, &(0x7f0000000280)=[0xffffffffffffffff], 0x35b) io_uring_register$IORING_REGISTER_FILES_UPDATE(r3, 0x6, &(0x7f0000000080)={0x0, &(0x7f0000000180)}, 0x106) [ 53.052151][ T8093] device hsr_slave_1 entered promiscuous mode [ 53.149922][ T8101] IPVS: ftp: loaded support on port[0] = 21 [ 53.164575][ T8099] IPVS: ftp: loaded support on port[0] = 21 09:29:33 executing program 5: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) perf_event_open(&(0x7f00000012c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) preadv(0xffffffffffffffff, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) r0 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) ioctl$KVM_SET_REGS(r0, 0x4090ae82, 0x0) openat$nullb(0xffffffffffffff9c, 0x0, 0x0, 0x0) syz_open_procfs(0x0, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$ifreq_SIOCGIFINDEX_team(r1, 0x8933, &(0x7f00000000c0)={'team0\x00', 0x0}) r3 = syz_genetlink_get_family_id$team(&(0x7f00000000c0)='team\x00') sendmsg$TEAM_CMD_OPTIONS_SET(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000640)={0x58, r3, 0x1, 0x2000, 0x0, {}, [{{0x8, 0x1, r2}, {0x3c, 0x2, [{0x38, 0x1, @notify_peers_interval={{0x24, 0x1, 'notify_peers_interval\x00'}, {0x8}, {0x8}}}]}}]}, 0x58}}, 0x0) getsockname$packet(0xffffffffffffffff, 0x0, &(0x7f0000000140)) socket(0x0, 0x0, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x0) bind(0xffffffffffffffff, 0x0, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$TEAM_CMD_NOOP(0xffffffffffffffff, 0x0, 0x24000091) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) [ 53.242036][ T8093] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.296034][ T8093] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.364355][ T8093] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.454084][ T8096] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.461194][ T8096] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.469280][ T8096] device bridge_slave_0 entered promiscuous mode [ 53.486222][ T8103] IPVS: ftp: loaded support on port[0] = 21 [ 53.487543][ T8106] IPVS: ftp: loaded support on port[0] = 21 [ 53.523714][ T8093] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.575885][ T8096] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.583351][ T8096] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.590905][ T8096] device bridge_slave_1 entered promiscuous mode [ 53.617168][ T8096] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.630720][ T8096] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.670171][ T8096] team0: Port device team_slave_0 added [ 53.691253][ T8096] team0: Port device team_slave_1 added [ 53.767628][ T8099] chnl_net:caif_netlink_parms(): no params data found [ 53.813851][ T8096] device hsr_slave_0 entered promiscuous mode [ 53.862164][ T8096] device hsr_slave_1 entered promiscuous mode [ 53.911911][ T8096] debugfs: Directory 'hsr0' with parent '/' already present! [ 53.978927][ T8101] chnl_net:caif_netlink_parms(): no params data found [ 53.997962][ T8099] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.006504][ T8099] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.014288][ T8099] device bridge_slave_0 entered promiscuous mode [ 54.037802][ T8099] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.045748][ T8099] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.053351][ T8099] device bridge_slave_1 entered promiscuous mode [ 54.060196][ T8103] chnl_net:caif_netlink_parms(): no params data found [ 54.116968][ T8101] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.124271][ T8101] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.131787][ T8101] device bridge_slave_0 entered promiscuous mode [ 54.147959][ T8096] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 54.200633][ T8099] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.213702][ T8099] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.236142][ T8101] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.243286][ T8101] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.250716][ T8101] device bridge_slave_1 entered promiscuous mode [ 54.262647][ T8096] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 54.323481][ T8099] team0: Port device team_slave_0 added [ 54.336824][ T8096] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 54.394815][ T8096] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 54.454443][ T8103] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.461595][ T8103] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.469467][ T8103] device bridge_slave_0 entered promiscuous mode [ 54.478767][ T8099] team0: Port device team_slave_1 added [ 54.486151][ T8101] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.497099][ T8101] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.514309][ T8106] chnl_net:caif_netlink_parms(): no params data found [ 54.531920][ T8103] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.539104][ T8103] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.547046][ T8103] device bridge_slave_1 entered promiscuous mode [ 54.566368][ T8093] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.575514][ T8101] team0: Port device team_slave_0 added [ 54.664428][ T8099] device hsr_slave_0 entered promiscuous mode [ 54.702156][ T8099] device hsr_slave_1 entered promiscuous mode [ 54.741813][ T8099] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.750598][ T8103] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.761604][ T8103] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.772810][ T8101] team0: Port device team_slave_1 added [ 54.784814][ T8106] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.792871][ T8106] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.800355][ T8106] device bridge_slave_0 entered promiscuous mode [ 54.821387][ T8106] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.828595][ T8106] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.836746][ T8106] device bridge_slave_1 entered promiscuous mode [ 54.862787][ T8103] team0: Port device team_slave_0 added [ 54.869696][ T8103] team0: Port device team_slave_1 added [ 54.877030][ T8106] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.893346][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.901448][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.911950][ T8093] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.965253][ T8101] device hsr_slave_0 entered promiscuous mode [ 54.993120][ T8101] device hsr_slave_1 entered promiscuous mode [ 55.032238][ T8101] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.041585][ T8106] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.066801][ T8099] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 55.134903][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.143560][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.152213][ T2936] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.159356][ T2936] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.167611][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.176907][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.185268][ T2936] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.192356][ T2936] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.216176][ T8099] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 55.267364][ T8099] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 55.313263][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.321106][ T8099] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 55.402187][ T8106] team0: Port device team_slave_0 added [ 55.412688][ T8105] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.421147][ T8105] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.430265][ T8105] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.438762][ T8105] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.447138][ T8105] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.458094][ T8106] team0: Port device team_slave_1 added [ 55.514611][ T8103] device hsr_slave_0 entered promiscuous mode [ 55.563075][ T8103] device hsr_slave_1 entered promiscuous mode [ 55.631840][ T8103] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.670622][ T8107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.679278][ T8107] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.687868][ T8107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.696682][ T8107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.705208][ T8107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.713582][ T8107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.725289][ T8093] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.733276][ T8101] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 55.834479][ T8106] device hsr_slave_0 entered promiscuous mode [ 55.862059][ T8106] device hsr_slave_1 entered promiscuous mode [ 55.902200][ T8106] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.915977][ T8101] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 55.955699][ T8101] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 56.054404][ T8103] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 56.093261][ T8101] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 56.152971][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.160408][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.168354][ T8106] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 56.243522][ T8103] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 56.284421][ T8103] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 56.326055][ T8096] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.335539][ T8093] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.345353][ T8106] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 56.383456][ T8103] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 56.449884][ T8107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.457721][ T8107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.473098][ T8106] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 56.494542][ T8106] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 56.546595][ T8096] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.669997][ T8103] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.691222][ T8103] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.716087][ T8099] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.736883][ T8099] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.779123][ T8099] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.795147][ T8099] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.828337][ T8099] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.881323][ T8101] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.907207][ T8101] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.950809][ T8101] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.967329][ T8101] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.998032][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 161.621704][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 161.628487][ C0] rcu: 0-...!: (10499 ticks this GP) idle=28e/1/0x4000000000000002 softirq=10618/10618 fqs=18 [ 161.639136][ C0] (t=10501 jiffies g=6121 q=1011) [ 161.644249][ C0] rcu: rcu_preempt kthread starved for 10465 jiffies! g6121 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 161.655336][ C0] rcu: RCU grace-period kthread stack dump: [ 161.661213][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 161.669099][ C0] Call Trace: [ 161.672390][ C0] __schedule+0x9a0/0xcc0 [ 161.676717][ C0] schedule+0x181/0x210 [ 161.680862][ C0] schedule_timeout+0x14f/0x240 [ 161.685700][ C0] ? run_local_timers+0x120/0x120 [ 161.690716][ C0] rcu_gp_kthread+0xed8/0x1770 [ 161.695477][ C0] kthread+0x332/0x350 [ 161.699540][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 161.704637][ C0] ? kthread_blkcg+0xe0/0xe0 [ 161.709218][ C0] ret_from_fork+0x24/0x30 [ 161.713639][ C0] NMI backtrace for cpu 0 [ 161.717963][ C0] CPU: 0 PID: 152 Comm: kworker/u4:3 Not tainted 5.4.0-syzkaller #0 [ 161.725927][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 161.736019][ C0] Workqueue: 0x0 (gid-cache-wq) [ 161.740944][ C0] Call Trace: [ 161.744214][ C0] [ 161.747056][ C0] dump_stack+0x1fb/0x318 [ 161.751374][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 161.756223][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 161.762365][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 161.768417][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 161.774387][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 161.780268][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 161.785372][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 161.790563][ C0] ? trace_hardirqs_off+0x74/0x80 [ 161.795578][ C0] update_process_times+0x12d/0x180 [ 161.800850][ C0] tick_sched_timer+0x263/0x420 [ 161.805689][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 161.811223][ C0] __hrtimer_run_queues+0x403/0x840 [ 161.816424][ C0] hrtimer_interrupt+0x38c/0xda0 [ 161.821383][ C0] ? debug_smp_processor_id+0x9/0x20 [ 161.826662][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 161.832297][ C0] apic_timer_interrupt+0xf/0x20 [ 161.837225][ C0] [ 161.840156][ C0] RIP: 0010:free_thread_stack+0x177/0x590 [ 161.845862][ C0] Code: 80 3c 28 00 74 08 48 89 df e8 25 a4 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 a4 69 00 <49> 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 [ 161.865453][ C0] RSP: 0018:ffffc90001587c30 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 161.873854][ C0] RAX: ffffffff81487433 RBX: ffff888096a5ee88 RCX: ffff8880a97f6500 [ 161.881811][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00023e7780 [ 161.889768][ C0] RBP: ffffc90001587c68 R08: 000000000003a768 R09: fffffbfff120248a [ 161.897726][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff888096a5ef20 [ 161.905683][ C0] R13: dffffc0000000000 R14: 1ffff11012d4bde4 R15: ffff88809719f868 [ 161.913658][ C0] ? mod_memcg_page_state+0x123/0x190 [ 161.919028][ C0] put_task_stack+0xa3/0x130 [ 161.923606][ C0] finish_task_switch+0x3f1/0x550 [ 161.928622][ C0] __schedule+0x9a8/0xcc0 [ 161.932948][ C0] schedule+0x181/0x210 [ 161.937091][ C0] worker_thread+0x10d6/0x1630 [ 161.941866][ C0] kthread+0x332/0x350 [ 161.945919][ C0] ? rcu_lock_release+0x30/0x30 [ 161.950757][ C0] ? kthread_blkcg+0xe0/0xe0 [ 161.955336][ C0] ret_from_fork+0x24/0x30