[ 44.640474][ T23] audit: type=1800 audit(1575326970.720:26): pid=8002 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.666007][ T23] audit: type=1800 audit(1575326970.720:27): pid=8002 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 44.703457][ T23] audit: type=1800 audit(1575326970.730:28): pid=8002 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. [ 45.597847][ T23] audit: type=1800 audit(1575326971.710:29): pid=8002 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.137' (ECDSA) to the list of known hosts. 2019/12/02 22:49:38 fuzzer started 2019/12/02 22:49:40 dialing manager at 10.128.0.26:38907 2019/12/02 22:49:40 syscalls: 2697 2019/12/02 22:49:40 code coverage: enabled 2019/12/02 22:49:40 comparison tracing: enabled 2019/12/02 22:49:40 extra coverage: extra coverage is not supported by the kernel 2019/12/02 22:49:40 setuid sandbox: enabled 2019/12/02 22:49:40 namespace sandbox: enabled 2019/12/02 22:49:40 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/02 22:49:40 fault injection: enabled 2019/12/02 22:49:40 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/02 22:49:40 net packet injection: enabled 2019/12/02 22:49:40 net device setup: enabled 2019/12/02 22:49:40 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/02 22:49:40 devlink PCI setup: PCI device 0000:00:10.0 is not available 22:49:41 executing program 0: r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc0\x00', 0x0, 0x0) ioctl$RTC_IRQP_READ(r0, 0x8008700b, &(0x7f0000000040)) 22:49:41 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_CHECK_EXTENSION(r0, 0xae03, 0x28) syzkaller login: [ 55.908619][ T8164] IPVS: ftp: loaded support on port[0] = 21 22:49:42 executing program 2: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x1, 0x6, 0x1, 0x7}, 0x11) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000100)={r0, &(0x7f0000001240), 0x0}, 0x20) [ 56.032148][ T8166] IPVS: ftp: loaded support on port[0] = 21 [ 56.100216][ T8164] chnl_net:caif_netlink_parms(): no params data found [ 56.182784][ T8164] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.190092][ T8164] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.198169][ T8164] device bridge_slave_0 entered promiscuous mode [ 56.208615][ T8164] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.215857][ T8164] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.223816][ T8164] device bridge_slave_1 entered promiscuous mode [ 56.245488][ T8164] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.256138][ T8164] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.277284][ T8170] IPVS: ftp: loaded support on port[0] = 21 [ 56.286183][ T8164] team0: Port device team_slave_0 added [ 56.298355][ T8164] team0: Port device team_slave_1 added 22:49:42 executing program 3: r0 = memfd_create(&(0x7f00000001c0)='G\'\x00\x9c\x1cH\xf9\x9e\x00\x16~\xdb`\x89\x86\x9a\xd4\xceof-\xbc\x12\x94\xe7\xcbH\x8dU;Z\xfc\xe1id?\xd4\x8a\x00Y@\xfe\xfe\b\x8d\xd0\x84\xcd\xf5\xd5\x83\xec\x96;\x16\x17\xf2\xba\xe1=\xe6.\xa5|\x02q', 0x0) mmap(&(0x7f0000000000/0xaa2000)=nil, 0xaa2000, 0x0, 0x11, r0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f00000003c0)) [ 56.464383][ T8164] device hsr_slave_0 entered promiscuous mode [ 56.521221][ T8164] device hsr_slave_1 entered promiscuous mode 22:49:42 executing program 4: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount(&(0x7f00000000c0)=ANY=[@ANYBLOB='/'], &(0x7f00000002c0)='./file0\x00', 0x0, 0x5010, 0x0) umount2(&(0x7f0000000180)='./file0\x00', 0x0) [ 56.595141][ T8166] chnl_net:caif_netlink_parms(): no params data found [ 56.625747][ T8173] IPVS: ftp: loaded support on port[0] = 21 [ 56.788302][ T8166] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.800302][ T8166] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.807951][ T8166] device bridge_slave_0 entered promiscuous mode [ 56.829720][ T8176] IPVS: ftp: loaded support on port[0] = 21 22:49:43 executing program 5: socket$inet(0x2, 0x2, 0x1) [ 56.838948][ T8164] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.872196][ T8170] chnl_net:caif_netlink_parms(): no params data found [ 56.886919][ T8166] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.895119][ T8166] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.904751][ T8166] device bridge_slave_1 entered promiscuous mode [ 56.915050][ T8164] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.971644][ T8164] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.029471][ T8164] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.116119][ T8166] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.129354][ T8166] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.171064][ T8166] team0: Port device team_slave_0 added [ 57.179795][ T8166] team0: Port device team_slave_1 added [ 57.197934][ T8170] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.208237][ T8170] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.216038][ T8170] device bridge_slave_0 entered promiscuous mode [ 57.226056][ T8170] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.233676][ T8170] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.241703][ T8170] device bridge_slave_1 entered promiscuous mode [ 57.312608][ T8166] device hsr_slave_0 entered promiscuous mode [ 57.351128][ T8166] device hsr_slave_1 entered promiscuous mode [ 57.390249][ T8166] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.414207][ T8179] IPVS: ftp: loaded support on port[0] = 21 [ 57.433614][ T8170] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.473465][ T8170] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.566669][ T8166] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.625219][ T8170] team0: Port device team_slave_0 added [ 57.634197][ T8170] team0: Port device team_slave_1 added [ 57.664798][ T8166] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.744093][ T8166] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.802914][ T8166] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.902820][ T8170] device hsr_slave_0 entered promiscuous mode [ 57.940414][ T8170] device hsr_slave_1 entered promiscuous mode [ 57.980738][ T8170] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.996300][ T8173] chnl_net:caif_netlink_parms(): no params data found [ 58.021377][ T8176] chnl_net:caif_netlink_parms(): no params data found [ 58.072289][ T8164] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.086815][ T8173] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.097440][ T8173] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.105852][ T8173] device bridge_slave_0 entered promiscuous mode [ 58.119366][ T8176] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.127234][ T8176] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.135747][ T8176] device bridge_slave_0 entered promiscuous mode [ 58.143866][ T8176] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.151014][ T8176] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.158646][ T8176] device bridge_slave_1 entered promiscuous mode [ 58.194602][ T8173] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.202513][ T8173] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.211024][ T8173] device bridge_slave_1 entered promiscuous mode [ 58.237253][ T8173] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.268691][ T8176] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.280542][ T8173] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.290928][ T8176] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.300757][ T8170] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.344534][ T8170] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.416867][ T8179] chnl_net:caif_netlink_parms(): no params data found [ 58.429430][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.437995][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.446549][ T8170] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.483172][ T8170] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.549042][ T8173] team0: Port device team_slave_0 added [ 58.557975][ T8176] team0: Port device team_slave_0 added [ 58.568251][ T8176] team0: Port device team_slave_1 added [ 58.580351][ T8164] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.596423][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.605344][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.614251][ T8182] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.621500][ T8182] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.630970][ T8173] team0: Port device team_slave_1 added [ 58.637406][ T8183] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.702513][ T8176] device hsr_slave_0 entered promiscuous mode [ 58.740434][ T8176] device hsr_slave_1 entered promiscuous mode [ 58.790157][ T8176] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.827053][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.835898][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.844515][ T8168] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.851596][ T8168] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.880762][ T8179] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.887893][ T8179] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.899066][ T8179] device bridge_slave_0 entered promiscuous mode [ 58.941718][ T8173] device hsr_slave_0 entered promiscuous mode [ 58.990445][ T8173] device hsr_slave_1 entered promiscuous mode [ 59.050210][ T8173] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.069884][ T8176] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.114047][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.123265][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.132174][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.140889][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.149236][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.157966][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.166402][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.175443][ T8179] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.183357][ T8179] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.191210][ T8179] device bridge_slave_1 entered promiscuous mode [ 59.214192][ T8176] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.282111][ T8176] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.333799][ T8179] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.354274][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.363547][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.371962][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.380360][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.388542][ T8176] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 59.473562][ T8166] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.484962][ T8179] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.498937][ T8164] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.519238][ T8170] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.539318][ T8179] team0: Port device team_slave_0 added [ 59.554327][ T8166] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.575913][ T8179] team0: Port device team_slave_1 added [ 59.589305][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.598703][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.607809][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.616122][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.624216][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.632148][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.645129][ T8164] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.654485][ T8170] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.661670][ T8173] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.738839][ T8173] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.793099][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.802169][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.810993][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.818087][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.825698][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.834569][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.844019][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.851209][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.876016][ T8166] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.887088][ T8166] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.905769][ T8173] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.962549][ T8173] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.002379][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.011023][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.020424][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.028761][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.037905][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.047260][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.055644][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.064132][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.072359][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.081131][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.089588][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.097989][ T8178] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.105050][ T8178] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.112650][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.121472][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.129717][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.138296][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.146728][ T8178] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.153819][ T8178] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.161916][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.170217][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.177805][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.232754][ T8179] device hsr_slave_0 entered promiscuous mode [ 60.270444][ T8179] device hsr_slave_1 entered promiscuous mode [ 60.310103][ T8179] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.345288][ T8183] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.358223][ T8183] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.366546][ T8183] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.404720][ T8166] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.424167][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.433234][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.442480][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.452222][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.460409][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.468984][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.539713][ T8179] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 165.539956][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.546720][ C0] rcu: 0-...!: (10499 ticks this GP) idle=7da/1/0x4000000000000002 softirq=11215/11215 fqs=5 [ 165.557193][ C0] (t=10501 jiffies g=6681 q=50) [ 165.562119][ C0] rcu: rcu_preempt kthread starved for 10492 jiffies! g6681 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 165.573210][ C0] rcu: RCU grace-period kthread stack dump: [ 165.579084][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 165.586972][ C0] Call Trace: [ 165.590259][ C0] __schedule+0x9a0/0xcc0 [ 165.594585][ C0] schedule+0x181/0x210 [ 165.598727][ C0] schedule_timeout+0x14f/0x240 [ 165.603564][ C0] ? run_local_timers+0x120/0x120 [ 165.608576][ C0] rcu_gp_kthread+0xed8/0x1770 [ 165.613335][ C0] kthread+0x332/0x350 [ 165.617389][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 165.622497][ C0] ? kthread_blkcg+0xe0/0xe0 [ 165.627074][ C0] ret_from_fork+0x24/0x30 [ 165.631493][ C0] NMI backtrace for cpu 0 [ 165.635809][ C0] CPU: 0 PID: 8040 Comm: rsyslogd Not tainted 5.4.0-syzkaller #0 [ 165.643504][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.653553][ C0] Call Trace: [ 165.656821][ C0] [ 165.659660][ C0] dump_stack+0x1fb/0x318 [ 165.663979][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.668818][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.674959][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.681036][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.687009][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.692888][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.697988][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.703177][ C0] ? trace_hardirqs_off+0x74/0x80 [ 165.708203][ C0] update_process_times+0x12d/0x180 [ 165.713388][ C0] tick_sched_timer+0x263/0x420 [ 165.718225][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.723757][ C0] __hrtimer_run_queues+0x403/0x840 [ 165.728952][ C0] hrtimer_interrupt+0x38c/0xda0 [ 165.733894][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.739170][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 165.744699][ C0] apic_timer_interrupt+0xf/0x20 [ 165.749618][ C0] [ 165.752545][ C0] RIP: 0010:__memcg_kmem_uncharge+0xc/0x2e0 [ 165.758432][ C0] Code: 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 dc 7d ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 <53> 50 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff df 4c 8d 77 38 4d [ 165.778019][ C0] RSP: 0018:ffffc90001b27a30 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.786413][ C0] RAX: ffffffff81486ea4 RBX: ffffea00029ec040 RCX: ffff8880974e6240 [ 165.794460][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00029ec040 [ 165.802436][ C0] RBP: ffffc90001b27a50 R08: dffffc0000000000 R09: fffffbfff120248a [ 165.810396][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880a7673ba0 [ 165.818351][ C0] R13: dffffc0000000000 R14: 1ffff11014ece774 R15: ffff8880a8aad568 [ 165.826320][ C0] ? free_thread_stack+0x124/0x590 [ 165.831422][ C0] free_thread_stack+0x12e/0x590 [ 165.836347][ C0] put_task_stack+0xa3/0x130 [ 165.840925][ C0] finish_task_switch+0x3f1/0x550 [ 165.845940][ C0] __schedule+0x9a8/0xcc0 [ 165.850266][ C0] schedule+0x181/0x210 [ 165.854410][ C0] do_syslog+0xdc7/0x1740 [ 165.858731][ C0] ? init_wait_entry+0xe0/0xe0 [ 165.863488][ C0] kmsg_read+0x94/0xd0 [ 165.867554][ C0] ? mmap_vmcore_fault+0x10/0x10 [ 165.872479][ C0] proc_reg_read+0x1e2/0x2d0 [ 165.877054][ C0] ? proc_reg_llseek+0x2c0/0x2c0 [ 165.881983][ C0] __vfs_read+0xb8/0x730 [ 165.886222][ C0] ? security_file_permission+0x23c/0x350 [ 165.891925][ C0] ? rw_verify_area+0x1c2/0x360 [ 165.896762][ C0] vfs_read+0x1dd/0x420 [ 165.900913][ C0] ksys_read+0x117/0x220 [ 165.905144][ C0] __x64_sys_read+0x7b/0x90 [ 165.909637][ C0] do_syscall_64+0xf7/0x1c0 [ 165.914128][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.920008][ C0] RIP: 0033:0x7f11dcdf61fd [ 165.924409][ C0] Code: d1 20 00 00 75 10 b8 00 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e fa ff ff 48 89 04 24 b8 00 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 a7 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 165.944009][ C0] RSP: 002b:00007f11da395e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 165.952408][ C0] RAX: ffffffffffffffda RBX: 00000000012e1650 RCX: 00007f11dcdf61fd [ 165.960369][ C0] RDX: 0000000000000fff RSI: 00007f11dbbca5a0 RDI: 0000000000000004 [ 165.968326][ C0] RBP: 0000000000000000 R08: 00000000012cc260 R09: 0000000000000000 [ 165.976281][ C0] R10: 6e2f356d69737665 R11: 0000000000000293 R12: 000000000065e420 [ 165.984253][ C0] R13: 00007f11da3969c0 R14: 00007f11dd43b040 R15: 0000000000000003