[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 46.394939][ T23] audit: type=1800 audit(1575341841.999:25): pid=8200 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 46.414427][ T23] audit: type=1800 audit(1575341841.999:26): pid=8200 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 46.447662][ T23] audit: type=1800 audit(1575341842.009:27): pid=8200 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 '10.128.0.217' (ECDSA) to the list of known hosts. 2019/12/03 02:57:31 fuzzer started 2019/12/03 02:57:33 dialing manager at 10.128.0.26:38907 2019/12/03 02:57:33 syscalls: 2697 2019/12/03 02:57:33 code coverage: enabled 2019/12/03 02:57:33 comparison tracing: enabled 2019/12/03 02:57:33 extra coverage: extra coverage is not supported by the kernel 2019/12/03 02:57:33 setuid sandbox: enabled 2019/12/03 02:57:33 namespace sandbox: enabled 2019/12/03 02:57:33 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 02:57:33 fault injection: enabled 2019/12/03 02:57:33 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 02:57:33 net packet injection: enabled 2019/12/03 02:57:33 net device setup: enabled 2019/12/03 02:57:33 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 02:57:33 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:57:34 executing program 0: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='cpuacct.stat\x00', 0x0, 0x0) ptrace$setsig(0x4203, 0x0, 0x0, &(0x7f00000002c0)={0x0, 0x1}) write(0xffffffffffffffff, &(0x7f0000000040)="0f42", 0x2) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) openat$null(0xffffffffffffff9c, &(0x7f0000000440)='/dev/null\x00', 0x0, 0x0) sendmsg$TIPC_CMD_GET_MEDIA_NAMES(0xffffffffffffffff, &(0x7f0000000800)={&(0x7f00000006c0)={0x10, 0x0, 0x0, 0x10000140}, 0xc, &(0x7f00000007c0)={&(0x7f0000000780)={0x1c}, 0x1c}}, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_open_dev$mice(&(0x7f0000000640)='/dev/input/mice\x00', 0x0, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000340), &(0x7f0000000380)=0x14) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000000740)={0x3, 0x0, 0xf000, 0x1000, &(0x7f0000000000/0x1000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000200)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0xfb, 0x0, 0x0, 0x0, 0x400000000000000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KDGKBENT(0xffffffffffffffff, 0x4b46, &(0x7f0000000540)={0x0, 0x1, 0xff}) ioctl$TIOCGLCKTRMIOS(0xffffffffffffffff, 0x5456, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x2}) sendmsg$IPVS_CMD_DEL_DEST(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYRES16=0x0], 0x1}}, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000380)) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:57:34 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) request_key(&(0x7f0000000000)='user\x00', &(0x7f0000000040)={'syz'}, &(0x7f0000000a80), 0xfffffffffffffffd) socket$inet(0x2, 0x0, 0x0) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0xb2) r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x14e24}, 0x1c) recvmmsg(r0, &(0x7f00000004c0), 0x400000000000251, 0x0, 0x0) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x1000000000004e24, 0x0, @ipv4={[], [], @loopback}}, 0x1c) sendmmsg(r0, &(0x7f00000092c0), 0x4ff, 0x0) ioctl$SIOCGSTAMP(r0, 0x8906, 0x0) syzkaller login: [ 59.062207][ T8364] IPVS: ftp: loaded support on port[0] = 21 02:57:34 executing program 2: r0 = syz_open_dev$video(&(0x7f0000000100)='/dev/video#\x00', 0x3, 0x0) ioctl$VIDIOC_S_FMT(r0, 0xc0d05605, &(0x7f0000000180)={0x1, @vbi={0x0, 0x0, 0x33524742}}) [ 59.222531][ T8364] chnl_net:caif_netlink_parms(): no params data found [ 59.256190][ T8367] IPVS: ftp: loaded support on port[0] = 21 [ 59.325720][ T8364] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.333322][ T8364] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.343261][ T8364] device bridge_slave_0 entered promiscuous mode [ 59.366520][ T8364] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.383788][ T8364] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.395029][ T8364] device bridge_slave_1 entered promiscuous mode [ 59.448516][ T8364] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.479215][ T8370] IPVS: ftp: loaded support on port[0] = 21 [ 59.487786][ T8364] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 02:57:35 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f00000000c0)=0x100000001, 0x1d4) connect$inet6(r0, &(0x7f0000000080), 0x1c) setsockopt$inet6_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f00000001c0)='tls\x00', 0x4) shutdown(r0, 0x1) setsockopt$inet6_tcp_TLS_TX(r0, 0x11a, 0x1, &(0x7f0000000040)=@gcm_256={{0x304}, "215e23b6a14a937e", "df28196f6317ffbc13846cae59f4f1b8c255c35c6b898da73349b65de33cbdfb", "7b45bfdf", "1215ddea89823d54"}, 0x38) sendmsg$TIPC_CMD_SHOW_PORTS(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x1c}, 0x1c}}, 0x4000) exit(0x0) close(r0) [ 59.527949][ T8364] team0: Port device team_slave_0 added [ 59.579216][ T8364] team0: Port device team_slave_1 added [ 59.716133][ T8364] device hsr_slave_0 entered promiscuous mode 02:57:35 executing program 4: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000140)=ANY=[@ANYBLOB="06"], 0x1}}, 0x0) r0 = syz_open_dev$dri(&(0x7f0000000000)='/dev/dri/card#\x00', 0x1, 0x0) ioctl(r0, 0xffffffffffffffc6, &(0x7f0000000040)) [ 59.764298][ T8364] device hsr_slave_1 entered promiscuous mode [ 59.808589][ T8367] chnl_net:caif_netlink_parms(): no params data found [ 59.822309][ T8373] IPVS: ftp: loaded support on port[0] = 21 [ 59.962306][ T8364] netdevsim netdevsim0 netdevsim0: renamed from eth0 02:57:35 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x10000000013, &(0x7f0000d06000)=0x1, 0x4) r1 = socket$inet6(0xa, 0x3, 0x81) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000000)='veth1\x00', 0x10) connect$inet(r0, &(0x7f0000000140)={0x2, 0x0, @remote}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x4000000000013, &(0x7f0000000100), 0x4) sendto(r0, &(0x7f0000000340)="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", 0xffffffffffffffc3, 0x100008c0, 0x0, 0x0) close(r0) [ 60.059149][ T8364] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.160788][ T8364] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.220237][ T8370] chnl_net:caif_netlink_parms(): no params data found [ 60.231704][ T8367] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.239015][ T8367] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.246778][ T8367] device bridge_slave_0 entered promiscuous mode [ 60.253933][ T8364] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.320528][ T8376] IPVS: ftp: loaded support on port[0] = 21 [ 60.348684][ T8367] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.358017][ T8378] IPVS: ftp: loaded support on port[0] = 21 [ 60.358404][ T8367] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.371748][ T8367] device bridge_slave_1 entered promiscuous mode [ 60.395393][ T8367] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.421847][ T8367] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.470793][ T8370] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.479470][ T8370] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.487326][ T8370] device bridge_slave_0 entered promiscuous mode [ 60.501237][ T8367] team0: Port device team_slave_0 added [ 60.510973][ T8367] team0: Port device team_slave_1 added [ 60.521877][ T8370] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.530510][ T8370] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.538339][ T8370] device bridge_slave_1 entered promiscuous mode [ 60.557595][ T8370] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.595815][ T8370] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.666470][ T8367] device hsr_slave_0 entered promiscuous mode [ 60.733996][ T8367] device hsr_slave_1 entered promiscuous mode [ 60.783857][ T8367] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.806621][ T8373] chnl_net:caif_netlink_parms(): no params data found [ 60.882176][ T8370] team0: Port device team_slave_0 added [ 60.892734][ T8370] team0: Port device team_slave_1 added [ 60.918885][ T8376] chnl_net:caif_netlink_parms(): no params data found [ 60.946339][ T8367] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.995636][ T8373] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.002706][ T8373] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.010724][ T8373] device bridge_slave_0 entered promiscuous mode [ 61.058028][ T8367] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 61.136040][ T8367] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.176175][ T8367] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 61.245880][ T8373] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.252972][ T8373] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.260878][ T8373] device bridge_slave_1 entered promiscuous mode [ 61.288864][ T8378] chnl_net:caif_netlink_parms(): no params data found [ 61.319970][ T8373] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.329465][ T8376] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.336668][ T8376] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.344679][ T8376] device bridge_slave_0 entered promiscuous mode [ 61.396856][ T8370] device hsr_slave_0 entered promiscuous mode [ 61.434075][ T8370] device hsr_slave_1 entered promiscuous mode [ 61.473813][ T8370] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.484850][ T8364] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.507233][ T8373] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.526385][ T8376] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.533499][ T8376] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.542577][ T8376] device bridge_slave_1 entered promiscuous mode [ 61.572513][ T8378] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.579833][ T8378] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.587706][ T8378] device bridge_slave_0 entered promiscuous mode [ 61.597150][ T8373] team0: Port device team_slave_0 added [ 61.602984][ T8378] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.610249][ T8378] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.617985][ T8378] device bridge_slave_1 entered promiscuous mode [ 61.626837][ T8376] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.647578][ T8373] team0: Port device team_slave_1 added [ 61.663127][ T8364] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.670865][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.679299][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.688775][ T8376] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.775458][ T8373] device hsr_slave_0 entered promiscuous mode [ 61.824201][ T8373] device hsr_slave_1 entered promiscuous mode [ 61.873896][ T8373] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.890760][ T8378] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.902908][ T8378] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.918354][ T8370] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.967531][ T2989] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.976348][ T2989] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.985791][ T2989] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.992918][ T2989] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.000914][ T2989] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.010466][ T2989] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.018887][ T2989] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.025951][ T2989] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.035342][ T2989] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.061022][ T8370] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.121013][ T8379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.137088][ T8376] team0: Port device team_slave_0 added [ 62.149431][ T8370] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.187309][ T8378] team0: Port device team_slave_0 added [ 62.194329][ T8370] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 62.238260][ T8376] team0: Port device team_slave_1 added [ 62.256516][ T8379] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.265980][ T8378] team0: Port device team_slave_1 added [ 62.273462][ T8373] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.320871][ T8373] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.377534][ T8373] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.458018][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.466687][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.475461][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.484736][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.492989][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.501449][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.509747][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.517938][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.526612][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.535241][ T8373] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.592667][ T8364] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.635402][ T8376] device hsr_slave_0 entered promiscuous mode [ 62.693995][ T8376] device hsr_slave_1 entered promiscuous mode [ 62.733807][ T8376] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.805640][ T8378] device hsr_slave_0 entered promiscuous mode [ 62.844066][ T8378] device hsr_slave_1 entered promiscuous mode [ 62.873747][ T8378] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.881336][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.889293][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.908996][ T8364] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.937519][ T8367] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.983438][ T8367] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.997340][ T8376] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 63.046324][ T8376] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 63.086223][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.096312][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.104490][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.113013][ T3211] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.121956][ T3211] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.129108][ T3211] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.156511][ T8376] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 63.196354][ T8376] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.236472][ T8386] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 168.193615][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 168.200497][ C0] rcu: 0-....: (10499 ticks this GP) idle=79e/1/0x4000000000000002 softirq=11699/11699 fqs=5247 [ 168.211284][ C0] (t=10501 jiffies g=6537 q=176) [ 168.216296][ C0] NMI backtrace for cpu 0 [ 168.220612][ C0] CPU: 0 PID: 38 Comm: kworker/u4:2 Not tainted 5.4.0-syzkaller #0 [ 168.228503][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.239065][ C0] Workqueue: events_unbound fsnotify_connector_destroy_workfn [ 168.246529][ C0] Call Trace: [ 168.249792][ C0] [ 168.252618][ C0] dump_stack+0x1fb/0x318 [ 168.256922][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 168.261838][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 168.267993][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 168.274088][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 168.280203][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 168.286090][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 168.291182][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 168.296356][ C0] ? trace_hardirqs_off+0x74/0x80 [ 168.301367][ C0] update_process_times+0x12d/0x180 [ 168.306546][ C0] tick_sched_timer+0x263/0x420 [ 168.311389][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.316908][ C0] __hrtimer_run_queues+0x403/0x840 [ 168.322100][ C0] hrtimer_interrupt+0x38c/0xda0 [ 168.327092][ C0] ? debug_smp_processor_id+0x9/0x20 [ 168.332379][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 168.337909][ C0] apic_timer_interrupt+0xf/0x20 [ 168.342827][ C0] [ 168.345742][ C0] RIP: 0010:mod_memcg_page_state+0x11e/0x190 [ 168.351694][ C0] Code: c7 28 96 0a 89 e8 f2 9e 69 00 48 83 3d 12 22 c2 07 00 74 70 e8 e3 27 2e 00 4c 89 ff 57 9d 0f 1f 44 00 00 e8 f4 c2 33 00 eb 43 cd 27 2e 00 eb 3c e8 86 c0 33 00 48 c7 c0 28 96 0a 89 48 c1 e8 [ 168.371270][ C0] RSP: 0018:ffffc90000ef78d8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.379683][ C0] RAX: 1ffffd4000547e4f RBX: 0000000000000000 RCX: ffff8880a995c300 [ 168.387691][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002a3f240 [ 168.395690][ C0] RBP: ffffc90000ef78f8 R08: 000000000003a768 R09: ffffed10150a4adf [ 168.403742][ C0] R10: ffffed10150a4adf R11: 0000000000000000 R12: dffffc0000000000 [ 168.411691][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a85256e8 [ 168.419654][ C0] ? mod_memcg_page_state+0x16/0x190 [ 168.424920][ C0] free_thread_stack+0x168/0x590 [ 168.429842][ C0] put_task_stack+0xa3/0x130 [ 168.434412][ C0] finish_task_switch+0x3f1/0x550 [ 168.439422][ C0] __schedule+0x9a8/0xcc0 [ 168.443739][ C0] ? ___preempt_schedule+0x16/0x18 [ 168.448825][ C0] preempt_schedule+0xdb/0x120 [ 168.453560][ C0] ___preempt_schedule+0x16/0x18 [ 168.458470][ C0] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 168.464075][ C0] __call_srcu+0x7ab/0xb00 [ 168.468481][ C0] __synchronize_srcu+0x1cf/0x260 [ 168.473480][ C0] ? rcu_read_lock_any_held+0x1a0/0x1a0 [ 168.479005][ C0] synchronize_srcu+0x2cb/0x2f0 [ 168.483848][ C0] fsnotify_connector_destroy_workfn+0x44/0xb0 [ 168.489980][ C0] process_one_work+0x7ef/0x10d0 [ 168.494898][ C0] worker_thread+0xc01/0x1630 [ 168.499569][ C0] kthread+0x332/0x350 [ 168.503637][ C0] ? rcu_lock_release+0x30/0x30 [ 168.508984][ C0] ? kthread_blkcg+0xe0/0xe0 [ 168.513554][ C0] ret_from_fork+0x24/0x30