[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.235690][ T23] audit: type=1800 audit(1575360959.964:25): pid=8108 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.260944][ T23] audit: type=1800 audit(1575360959.964:26): pid=8108 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.300057][ T23] audit: type=1800 audit(1575360959.964:27): pid=8108 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 '10.128.15.214' (ECDSA) to the list of known hosts. 2019/12/03 08:16:09 fuzzer started 2019/12/03 08:16:11 dialing manager at 10.128.0.26:38907 2019/12/03 08:16:11 syscalls: 2697 2019/12/03 08:16:11 code coverage: enabled 2019/12/03 08:16:11 comparison tracing: enabled 2019/12/03 08:16:11 extra coverage: extra coverage is not supported by the kernel 2019/12/03 08:16:11 setuid sandbox: enabled 2019/12/03 08:16:11 namespace sandbox: enabled 2019/12/03 08:16:11 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 08:16:11 fault injection: enabled 2019/12/03 08:16:11 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 08:16:11 net packet injection: enabled 2019/12/03 08:16:11 net device setup: enabled 2019/12/03 08:16:11 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 08:16:11 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:16:12 executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f00000000c0)={@mcast1, 0x800, 0x0, 0x103, 0x1}, 0x20) setsockopt$inet6_int(r0, 0x29, 0x1000000000021, &(0x7f00000005c0)=0x1, 0x4) sendmsg$inet6(r0, &(0x7f0000000180)={&(0x7f0000000080)={0xa, 0x4e22, 0x1000000080000, @local}, 0x1c, 0x0, 0x0, &(0x7f00000002c0)=[@rthdrdstopts={{0x18, 0x29, 0xb, {0x10}}}], 0x18}, 0x0) 08:16:12 executing program 1: r0 = syz_open_dev$vbi(&(0x7f0000000000)='/dev/vbi#\x00', 0x3, 0x2) ioctl$VIDIOC_UNSUBSCRIBE_EVENT(r0, 0x4020565b, &(0x7f0000000080)) syzkaller login: [ 56.719381][ T8273] IPVS: ftp: loaded support on port[0] = 21 08:16:12 executing program 2: r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000000)='/dev/nullb0\x00', 0x0, 0x0) ioctl$BLKBSZGET(r0, 0x80081270, &(0x7f0000000080)) [ 56.919279][ T8273] chnl_net:caif_netlink_parms(): no params data found [ 56.952269][ T8276] IPVS: ftp: loaded support on port[0] = 21 [ 57.044240][ T8273] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.054435][ T8273] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.063255][ T8273] device bridge_slave_0 entered promiscuous mode [ 57.085897][ T8273] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.095863][ T8273] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.104390][ T8273] device bridge_slave_1 entered promiscuous mode [ 57.178500][ T8273] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.197567][ T8280] IPVS: ftp: loaded support on port[0] = 21 08:16:12 executing program 3: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_ENUM_FRAMEINTERVALS(r0, 0xc034564b, &(0x7f0000000040)={0x0, 0x50424752, 0x780}) [ 57.219715][ T8273] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.236846][ T8276] chnl_net:caif_netlink_parms(): no params data found [ 57.292385][ T8273] team0: Port device team_slave_0 added [ 57.340176][ T8273] team0: Port device team_slave_1 added [ 57.388433][ T8276] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.399137][ T8276] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.407903][ T8276] device bridge_slave_0 entered promiscuous mode [ 57.468712][ T8276] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.480234][ T8276] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.489023][ T8276] device bridge_slave_1 entered promiscuous mode 08:16:13 executing program 4: r0 = socket$inet6(0xa, 0x3, 0x87) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f00000002c0)={{{@in6=@initdev={0xfe, 0x88, [], 0x0, 0x0}, @in6=@initdev={0xfe, 0x88, [], 0x0, 0x0}, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x3c}, {}, {}, 0x0, 0x0, 0x1}, {{@in, 0x0, 0x3c}, 0x0, @in=@loopback}}, 0xe8) connect$inet6(r0, &(0x7f0000000480)={0xa, 0x0, 0x0, @ipv4={[], [], @local}}, 0x1c) [ 57.533550][ T8273] device hsr_slave_0 entered promiscuous mode [ 57.603222][ T8273] device hsr_slave_1 entered promiscuous mode [ 57.677663][ T8283] IPVS: ftp: loaded support on port[0] = 21 08:16:13 executing program 5: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f00000001c0)="6653070000053c07bc3376003639405cb4aed12f0000000000ae47a825d86800278dcff47d010000805ae64f8f36460234432479aed75d492b41fd983f79e65199615607672c59957ab364bf68e6faa53367f05f4ad61421349f2f11e931e7d62ead5e7cd2157df6b2bcb47fb53455560c8ef00fca4fafa924edfe92175aaa1c4ecc7aeeb72e0d050feace34b52d9e5f755563698c7e24ab61f0866f15da7f48295eb100000000000000075d2dd15b6210d53eed19bc0080000033270c6a98d9", 0xc0}], 0x4, 0x0) sendmsg(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x32, 0x0, 0x0, 0x0, 0xffffffffffffff21}, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x3c) ptrace$cont(0x18, r0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x20, r0, 0x0, 0x0) [ 57.747393][ T8280] chnl_net:caif_netlink_parms(): no params data found [ 57.766950][ T8276] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.819341][ T8285] IPVS: ftp: loaded support on port[0] = 21 [ 57.827006][ T8276] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.897266][ T8273] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.963262][ T8273] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.035651][ T8276] team0: Port device team_slave_0 added [ 58.046708][ T8273] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.114099][ T8273] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.172698][ T8280] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.179788][ T8280] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.188598][ T8280] device bridge_slave_0 entered promiscuous mode [ 58.198031][ T8280] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.205989][ T8280] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.213695][ T8280] device bridge_slave_1 entered promiscuous mode [ 58.223846][ T8276] team0: Port device team_slave_1 added [ 58.232478][ T8287] IPVS: ftp: loaded support on port[0] = 21 [ 58.323399][ T8276] device hsr_slave_0 entered promiscuous mode [ 58.361244][ T8276] device hsr_slave_1 entered promiscuous mode [ 58.400791][ T8276] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.419150][ T8280] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.445473][ T8280] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.461625][ T8283] chnl_net:caif_netlink_parms(): no params data found [ 58.518988][ T8283] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.526646][ T8283] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.534325][ T8283] device bridge_slave_0 entered promiscuous mode [ 58.544844][ T8283] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.552045][ T8283] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.559596][ T8283] device bridge_slave_1 entered promiscuous mode [ 58.596990][ T8283] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.607898][ T8280] team0: Port device team_slave_0 added [ 58.616934][ T8280] team0: Port device team_slave_1 added [ 58.627869][ T8276] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.673231][ T8283] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.695707][ T8276] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.742337][ T8276] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.784639][ T8276] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.835866][ T8283] team0: Port device team_slave_0 added [ 58.903996][ T8280] device hsr_slave_0 entered promiscuous mode [ 58.961150][ T8280] device hsr_slave_1 entered promiscuous mode [ 59.020764][ T8280] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.037433][ T8283] team0: Port device team_slave_1 added [ 59.099730][ T8287] chnl_net:caif_netlink_parms(): no params data found [ 59.129660][ T8273] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.173920][ T8283] device hsr_slave_0 entered promiscuous mode [ 59.212523][ T8283] device hsr_slave_1 entered promiscuous mode [ 59.260824][ T8283] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.345881][ T8273] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.356803][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.365941][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.394152][ T8283] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.464874][ T8283] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.523140][ T8283] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.563939][ T8285] chnl_net:caif_netlink_parms(): no params data found [ 59.572492][ T8280] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.626601][ T8280] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.696078][ T8283] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.757143][ T8287] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.765633][ T8287] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.773847][ T8287] device bridge_slave_0 entered promiscuous mode [ 59.784355][ T8287] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.791585][ T8287] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.799553][ T8287] device bridge_slave_1 entered promiscuous mode [ 59.808145][ T8280] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.865145][ T8280] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.933484][ T8288] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.942937][ T8288] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.952106][ T8288] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.959388][ T8288] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.997409][ T8285] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.004632][ T8285] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.013015][ T8285] device bridge_slave_0 entered promiscuous mode [ 60.026097][ T3080] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.035657][ T3080] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.044372][ T3080] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.053423][ T3080] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.060667][ T3080] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.068826][ T3080] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.077402][ T3080] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.085941][ T3080] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.094697][ T3080] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.115260][ T8285] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.123228][ T8285] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.130980][ T8285] device bridge_slave_1 entered promiscuous mode [ 60.144866][ T8287] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.156661][ T3080] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.164465][ T3080] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.173103][ T3080] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.181528][ T3080] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.189758][ T3080] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.198410][ T3080] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.207276][ T3080] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.217957][ T8273] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.235810][ T8287] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.262276][ T8287] team0: Port device team_slave_0 added [ 60.269876][ T8287] team0: Port device team_slave_1 added [ 60.280060][ T8285] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.295003][ T8285] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.353081][ T8283] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.392868][ T8287] device hsr_slave_0 entered promiscuous mode [ 60.451181][ T8287] device hsr_slave_1 entered promiscuous mode [ 60.490732][ T8287] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.500339][ T8285] team0: Port device team_slave_0 added [ 60.507744][ T8285] team0: Port device team_slave_1 added [ 60.519864][ T8276] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.541366][ T8278] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.548750][ T8278] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.564409][ T8273] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.580299][ T8276] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.596525][ T8283] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.605412][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.614536][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.622572][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.630149][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.649691][ T8280] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.724481][ T8285] device hsr_slave_0 entered promiscuous mode [ 60.771256][ T8285] device hsr_slave_1 entered promiscuous mode [ 60.820858][ T8285] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.837040][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.848565][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.857795][ T8289] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.864946][ T8289] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.874269][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.883200][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.891859][ T8289] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.898931][ T8289] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.906747][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.916360][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.925236][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.933873][ T8289] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.940975][ T8289] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.948752][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.957453][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.965980][ T8289] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.973077][ T8289] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.982781][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.990925][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.000118][ T8287] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.044531][ T8287] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 61.105828][ T8287] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 61.167706][ T8280] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.237088][ T8285] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 166.140573][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.147467][ C1] rcu: 1-...!: (10499 ticks this GP) idle=636/1/0x4000000000000002 softirq=11175/11175 fqs=40 [ 166.158343][ C1] (t=10501 jiffies g=6545 q=277) [ 166.163380][ C1] rcu: rcu_preempt kthread starved for 10422 jiffies! g6545 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.174683][ C1] rcu: RCU grace-period kthread stack dump: [ 166.180658][ C1] rcu_preempt R running task 29104 10 2 0x80004000 [ 166.188647][ C1] Call Trace: [ 166.191945][ C1] __schedule+0x9a0/0xcc0 [ 166.196290][ C1] schedule+0x181/0x210 [ 166.200461][ C1] schedule_timeout+0x14f/0x240 [ 166.205443][ C1] ? run_local_timers+0x120/0x120 [ 166.210491][ C1] rcu_gp_kthread+0xed8/0x1770 [ 166.215285][ C1] kthread+0x332/0x350 [ 166.219509][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 166.224622][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.229392][ C1] ret_from_fork+0x24/0x30 [ 166.233832][ C1] NMI backtrace for cpu 1 [ 166.238165][ C1] CPU: 1 PID: 8296 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 166.246390][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.256589][ C1] Call Trace: [ 166.259983][ C1] [ 166.262959][ C1] dump_stack+0x1fb/0x318 [ 166.267409][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.272367][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.278750][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.284831][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.290939][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.297069][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.302172][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.307485][ C1] ? trace_hardirqs_off+0x74/0x80 [ 166.312530][ C1] update_process_times+0x12d/0x180 [ 166.317723][ C1] tick_sched_timer+0x263/0x420 [ 166.322699][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.328357][ C1] __hrtimer_run_queues+0x403/0x840 [ 166.333912][ C1] hrtimer_interrupt+0x38c/0xda0 [ 166.339023][ C1] ? debug_smp_processor_id+0x9/0x20 [ 166.344314][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 166.349852][ C1] apic_timer_interrupt+0xf/0x20 [ 166.354909][ C1] [ 166.357850][ C1] RIP: 0010:mod_memcg_page_state+0x16/0x190 [ 166.363918][ C1] Code: 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 54 53 41 89 f6 48 89 fb e8 da 28 2e 00 <48> 83 c3 38 48 89 d8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 [ 166.384007][ C1] RSP: 0018:ffffc900020f7e10 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 166.392409][ C1] RAX: ffffffff81487326 RBX: ffffea0001b00fc0 RCX: ffff88809734c040 [ 166.400367][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0001b00fc0 [ 166.408435][ C1] RBP: ffffc900020f7e30 R08: 000000000003a768 R09: ffffed1013ca334f [ 166.416418][ C1] R10: ffffed1013ca334f R11: 0000000000000000 R12: ffff88808aa8e020 [ 166.424535][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88809e519a68 [ 166.432745][ C1] ? mod_memcg_page_state+0x16/0x190 [ 166.438035][ C1] free_thread_stack+0x168/0x590 [ 166.442995][ C1] put_task_stack+0xa3/0x130 [ 166.447568][ C1] finish_task_switch+0x3f1/0x550 [ 166.452595][ C1] schedule_tail+0x20/0x1a0 [ 166.457108][ C1] ret_from_fork+0x8/0x30 [ 166.461467][ C1] RIP: 0033:0x45d049 [ 166.465383][ C1] Code: ff 48 85 f6 0f 84 d7 8c fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c ae 8c fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 [ 166.484981][ C1] RSP: 002b:00007fd7f84b5db0 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 166.493470][ C1] RAX: 0000000000000000 RBX: 00007fd7f84b6700 RCX: 000000000045d049 [ 166.501431][ C1] RDX: 00007fd7f84b69d0 RSI: 00007fd7f84b5db0 RDI: 00000000003d0f00 [ 166.509423][ C1] RBP: 00007ffcf03281b0 R08: 00007fd7f84b6700 R09: 00007fd7f84b6700 [ 166.518079][ C1] R10: 00007fd7f84b69d0 R11: 0000000000000202 R12: 0000000000000000 [ 166.526036][ C1] R13: 00007ffcf032804f R14: 00007fd7f84b69c0 R15: 000000000075bf2c