Warning: Permanently added '10.128.1.9' (ECDSA) to the list of known hosts. 2019/12/03 05:04:34 fuzzer started 2019/12/03 05:04:36 dialing manager at 10.128.0.26:38907 2019/12/03 05:04:36 syscalls: 2697 2019/12/03 05:04:36 code coverage: enabled 2019/12/03 05:04:36 comparison tracing: enabled 2019/12/03 05:04:36 extra coverage: extra coverage is not supported by the kernel 2019/12/03 05:04:36 setuid sandbox: enabled 2019/12/03 05:04:36 namespace sandbox: enabled 2019/12/03 05:04:36 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 05:04:36 fault injection: enabled 2019/12/03 05:04:36 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 05:04:36 net packet injection: enabled 2019/12/03 05:04:36 net device setup: enabled 2019/12/03 05:04:36 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 05:04:36 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:04:37 executing program 0: perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 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) r0 = syz_open_dev$video(&(0x7f0000000000)='/dev/video#\x00', 0x3f, 0x0) r1 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000280)={0x11}) close(r0) 05:04:37 executing program 1: creat(&(0x7f0000000040)='./file0\x00', 0x0) perf_event_open(&(0x7f000000a000)={0x1, 0x70, 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, 0x0, @perf_config_ext, 0x0, 0x0, 0x6, 0x0, 0x20000000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote}, 0x1c) mount(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f00000001c0)='nfs4\x00', 0x0, &(0x7f000000a000)) syzkaller login: [ 52.508130][ T8092] IPVS: ftp: loaded support on port[0] = 21 05:04:37 executing program 2: r0 = syz_open_dev$video4linux(&(0x7f0000000000)='/dev/v4l-subdev#\x00', 0x0, 0x0) ioctl$VIDIOC_SUBDEV_G_FMT(r0, 0xc0585605, &(0x7f00000000c0)={0x0, 0x0, {0x0, 0x0, 0x0, 0x7}}) [ 52.664466][ T8092] chnl_net:caif_netlink_parms(): no params data found [ 52.704222][ T8095] IPVS: ftp: loaded support on port[0] = 21 [ 52.725716][ T8092] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.748802][ T8092] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.756733][ T8092] device bridge_slave_0 entered promiscuous mode [ 52.801441][ T8092] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.808578][ T8092] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.816842][ T8092] device bridge_slave_1 entered promiscuous mode [ 52.881148][ T8092] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 05:04:37 executing program 3: r0 = socket$inet6(0xa, 0x3, 0x3a) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$inet6_int(r0, 0x29, 0xd1, &(0x7f00000007c0)=0x3ff, 0x4) setsockopt$inet6_MRT6_ADD_MIF(r0, 0x29, 0xc8, 0x0, 0x29c064750b1b5ceb) [ 52.941886][ T8092] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.962464][ T8097] IPVS: ftp: loaded support on port[0] = 21 [ 53.021938][ T8095] chnl_net:caif_netlink_parms(): no params data found [ 53.040243][ T8092] team0: Port device team_slave_0 added [ 53.083274][ T8092] team0: Port device team_slave_1 added [ 53.130488][ T8095] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.137551][ T8095] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.145683][ T8095] device bridge_slave_0 entered promiscuous mode [ 53.167240][ T8100] IPVS: ftp: loaded support on port[0] = 21 05:04:38 executing program 4: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)={0x9, 0x1a, 0x7f, 0x3}, 0x3c) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0xea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$MAP_LOOKUP_ELEM(0x3, &(0x7f0000000200)={r0, &(0x7f00000005c0), 0x0}, 0x20) [ 53.182230][ T8095] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.190294][ T8095] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.198089][ T8095] device bridge_slave_1 entered promiscuous mode [ 53.242030][ T8092] device hsr_slave_0 entered promiscuous mode [ 53.279000][ T8092] device hsr_slave_1 entered promiscuous mode [ 53.420951][ T8095] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.435037][ T8097] chnl_net:caif_netlink_parms(): no params data found [ 53.456121][ T8095] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 05:04:38 executing program 5: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) unshare(0x8000400) r3 = socket(0x1e, 0x805, 0x0) close(r3) socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp_SCTP_MAX_BURST(r3, 0x84, 0xc, &(0x7f0000000100)=@assoc_value, 0x8) [ 53.469953][ T8103] IPVS: ftp: loaded support on port[0] = 21 [ 53.529466][ T8092] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.599019][ T8095] team0: Port device team_slave_0 added [ 53.605227][ T8092] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.665431][ T8095] team0: Port device team_slave_1 added [ 53.675205][ T8106] IPVS: ftp: loaded support on port[0] = 21 [ 53.686587][ T8092] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.710660][ T8092] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.751014][ T8097] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.759422][ T8097] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.767072][ T8097] device bridge_slave_0 entered promiscuous mode [ 53.776369][ T8097] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.784233][ T8097] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.792107][ T8097] device bridge_slave_1 entered promiscuous mode [ 53.833299][ T8097] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.870277][ T8095] device hsr_slave_0 entered promiscuous mode [ 53.929000][ T8095] device hsr_slave_1 entered promiscuous mode [ 53.968850][ T8095] debugfs: Directory 'hsr0' with parent '/' already present! [ 53.989347][ T8097] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.056302][ T8097] team0: Port device team_slave_0 added [ 54.091171][ T8097] team0: Port device team_slave_1 added [ 54.096945][ T8095] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 54.140506][ T8095] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 54.180888][ T8100] chnl_net:caif_netlink_parms(): no params data found [ 54.216393][ T8095] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 54.273634][ T8095] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 54.346575][ T8103] chnl_net:caif_netlink_parms(): no params data found [ 54.441254][ T8097] device hsr_slave_0 entered promiscuous mode [ 54.479059][ T8097] device hsr_slave_1 entered promiscuous mode [ 54.528812][ T8097] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.538101][ T8100] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.545603][ T8100] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.553254][ T8100] device bridge_slave_0 entered promiscuous mode [ 54.563425][ T8100] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.570550][ T8100] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.578212][ T8100] device bridge_slave_1 entered promiscuous mode [ 54.625271][ T8100] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.638899][ T8100] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.674446][ T8097] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 54.720984][ T8097] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 54.774152][ T8103] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.781778][ T8103] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.790074][ T8103] device bridge_slave_0 entered promiscuous mode [ 54.804141][ T8103] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.811253][ T8103] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.820027][ T8103] device bridge_slave_1 entered promiscuous mode [ 54.828974][ T8097] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 54.895239][ T8106] chnl_net:caif_netlink_parms(): no params data found [ 54.905781][ T8100] team0: Port device team_slave_0 added [ 54.916387][ T8100] team0: Port device team_slave_1 added [ 54.935302][ T8092] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.942809][ T8097] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 55.030870][ T8100] device hsr_slave_0 entered promiscuous mode [ 55.079222][ T8100] device hsr_slave_1 entered promiscuous mode [ 55.148776][ T8100] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.173461][ T8103] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.184956][ T8103] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.223532][ T8103] team0: Port device team_slave_0 added [ 55.240465][ T8092] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.260021][ T8103] team0: Port device team_slave_1 added [ 55.283430][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.291714][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.299424][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.307861][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.316468][ T2944] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.323640][ T2944] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.332157][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.341354][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.349812][ T2944] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.356848][ T2944] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.364430][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.373334][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.381918][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.390529][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.398991][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.407364][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.415836][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.424096][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.436655][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.444484][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.464625][ T8100] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 55.561869][ T8103] device hsr_slave_0 entered promiscuous mode [ 55.608968][ T8103] device hsr_slave_1 entered promiscuous mode [ 55.658798][ T8103] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.666414][ T8106] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.673957][ T8106] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.684500][ T8106] device bridge_slave_0 entered promiscuous mode [ 55.692339][ T8106] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.699737][ T8106] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.707266][ T8106] device bridge_slave_1 entered promiscuous mode [ 55.721301][ T8100] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 55.760735][ T8100] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 55.803945][ T8092] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.815945][ T8092] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.841065][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.849501][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.857635][ T8100] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 55.923338][ T8106] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.936264][ T8106] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.958583][ T8106] team0: Port device team_slave_0 added [ 55.985116][ T8106] team0: Port device team_slave_1 added [ 55.996794][ T8103] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 56.032117][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.040171][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.050482][ T8095] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.069489][ T8103] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 56.091745][ T8103] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 56.150976][ T8103] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 56.242751][ T8106] device hsr_slave_0 entered promiscuous mode [ 56.298942][ T8106] device hsr_slave_1 entered promiscuous mode [ 56.348804][ T8106] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.365984][ T8092] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.393178][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.400904][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.416299][ T8097] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.427557][ T8095] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.453967][ T8107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.467368][ T8107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.491324][ T8097] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.510582][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.520322][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.532637][ T8101] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.539692][ T8101] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.547239][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.559210][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.567436][ T8101] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.574613][ T8101] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.582308][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.590896][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.599337][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.607603][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.615870][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.624155][ T8101] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.639176][ T8095] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.650653][ T8095] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.674842][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.683156][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.700672][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.709898][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.718463][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.728051][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.736752][ T3195] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.743858][ T3195] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.757542][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.765995][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.779544][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.788029][ T3195] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.801618][ T3195] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.808689][ T3195] bridge0: port 2(bridge_slave_1) entered forwarding state [ 161.818629][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 161.825397][ C0] rcu: 0-...!: (10499 ticks this GP) idle=d0a/1/0x4000000000000002 softirq=10277/10277 fqs=1 [ 161.835873][ C0] (t=10501 jiffies g=5841 q=114) [ 161.840884][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g5841 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 161.851961][ C0] rcu: RCU grace-period kthread stack dump: [ 161.857834][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 161.865717][ C0] Call Trace: [ 161.869003][ C0] __schedule+0x9a0/0xcc0 [ 161.873333][ C0] schedule+0x181/0x210 [ 161.877476][ C0] schedule_timeout+0x14f/0x240 [ 161.882315][ C0] ? run_local_timers+0x120/0x120 [ 161.887331][ C0] rcu_gp_kthread+0xed8/0x1770 [ 161.892086][ C0] kthread+0x332/0x350 [ 161.896138][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 161.901230][ C0] ? kthread_blkcg+0xe0/0xe0 [ 161.905803][ C0] ret_from_fork+0x24/0x30 [ 161.910217][ C0] NMI backtrace for cpu 0 [ 161.914534][ C0] CPU: 0 PID: 8063 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 161.921985][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 161.932036][ C0] Call Trace: [ 161.935314][ C0] [ 161.938215][ C0] dump_stack+0x1fb/0x318 [ 161.942541][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 161.947374][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 161.953511][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 161.959563][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 161.965536][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 161.971416][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 161.976534][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 161.981722][ C0] ? trace_hardirqs_off+0x74/0x80 [ 161.986733][ C0] update_process_times+0x12d/0x180 [ 161.993916][ C0] tick_sched_timer+0x263/0x420 [ 161.998749][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 162.004366][ C0] __hrtimer_run_queues+0x403/0x840 [ 162.009563][ C0] hrtimer_interrupt+0x38c/0xda0 [ 162.014503][ C0] ? debug_smp_processor_id+0x9/0x20 [ 162.019776][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 162.025313][ C0] apic_timer_interrupt+0xf/0x20 [ 162.030232][ C0] [ 162.033158][ C0] RIP: 0010:free_thread_stack+0x18b/0x590 [ 162.038859][ C0] Code: 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 48 89 df e8 eb a3 69 00 48 8b 1b e9 82 ff ff ff e8 de 2c 2e [ 162.058446][ C0] RSP: 0018:ffffc90001657b10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 162.066841][ C0] RAX: 1ffff11014eb7e41 RBX: ffff8880a75bf208 RCX: ffff8880975041c0 [ 162.074814][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00029a3080 [ 162.082769][ C0] RBP: ffffc90001657b48 R08: 000000000003a768 R09: ffffed1014f0a2c7 [ 162.090729][ C0] R10: ffffed1014f0a2c7 R11: 0000000000000000 R12: ffff8880a75bf2a0 [ 162.098683][ C0] R13: dffffc0000000000 R14: 1ffff11014eb7e54 R15: ffff8880a7851628 [ 162.106674][ C0] put_task_stack+0xa3/0x130 [ 162.111249][ C0] finish_task_switch+0x3f1/0x550 [ 162.116261][ C0] __schedule+0x9a8/0xcc0 [ 162.120586][ C0] schedule+0x181/0x210 [ 162.124725][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 162.130782][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 162.136587][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 162.141944][ C0] ep_poll+0xa4d/0xe80 [ 162.146015][ C0] ? do_task_dead+0xc0/0xc0 [ 162.150503][ C0] ? __kasan_check_read+0x11/0x20 [ 162.155514][ C0] do_epoll_wait+0x1ee/0x260 [ 162.160092][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 162.165101][ C0] do_syscall_64+0xf7/0x1c0 [ 162.169587][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 162.175462][ C0] RIP: 0033:0x7f0266e60943 [ 162.179872][ 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 [ 162.199456][ C0] RSP: 002b:00007fffc3665628 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 162.207849][ C0] RAX: ffffffffffffffda RBX: 00000000013f7250 RCX: 00007f0266e60943 [ 162.215805][ C0] RDX: 0000000000000004 RSI: 00007fffc36656f0 RDI: 0000000000000007 [ 162.223777][ C0] RBP: 0000000000625500 R08: 00007fffc3665610 R09: 00007fffc36ec0b8 [ 162.231739][ C0] R10: 000000000000ee40 R11: 0000000000000246 R12: 0000000001406fd0 [ 162.239703][ C0] R13: 00007fffc3666747 R14: 0000000000000005 R15: 00000000013f7250