[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.330090][ T23] audit: type=1800 audit(1575327241.002:25): pid=8131 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.360904][ T23] audit: type=1800 audit(1575327241.002:26): pid=8131 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.396004][ T23] audit: type=1800 audit(1575327241.012:27): pid=8131 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 '10.128.1.56' (ECDSA) to the list of known hosts. 2019/12/02 22:54:09 fuzzer started 2019/12/02 22:54:11 dialing manager at 10.128.0.26:38907 2019/12/02 22:54:11 syscalls: 2697 2019/12/02 22:54:11 code coverage: enabled 2019/12/02 22:54:11 comparison tracing: enabled 2019/12/02 22:54:11 extra coverage: extra coverage is not supported by the kernel 2019/12/02 22:54:11 setuid sandbox: enabled 2019/12/02 22:54:11 namespace sandbox: enabled 2019/12/02 22:54:11 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/02 22:54:11 fault injection: enabled 2019/12/02 22:54:11 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/02 22:54:11 net packet injection: enabled 2019/12/02 22:54:11 net device setup: enabled 2019/12/02 22:54:11 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/02 22:54:11 devlink PCI setup: PCI device 0000:00:10.0 is not available 22:54:12 executing program 0: r0 = socket$inet_udp(0x2, 0x2, 0x0) close(r0) r1 = openat$vimc2(0xffffffffffffff9c, &(0x7f0000000440)='/dev/video2\x00', 0x2, 0x0) clock_gettime(0x0, &(0x7f00000004c0)) ppoll(&(0x7f0000000480)=[{r0, 0x3053de7b88b3a4cd}, {r1, 0x4440}], 0x2, 0x0, 0x0, 0x0) 22:54:12 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = fcntl$dupfd(r2, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=@newlink={0x44, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, @gretap={{0xc, 0x1, 'gretap\x00'}, {0x14, 0x2, [@gre_common_policy=[@IFLA_GRE_IFLAGS={0x8}, @IFLA_GRE_LINK={0x8, 0x1, r4}]]}}}]}, 0x44}}, 0x0) syzkaller login: [ 55.951022][ T8296] IPVS: ftp: loaded support on port[0] = 21 22:54:12 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000001240)={0x26, 'hash\x00', 0x0, 0x0, 'poly1305\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) r2 = dup(r1) sendmmsg$inet6(r2, &(0x7f0000003540)=[{{0x0, 0x0, &(0x7f0000002b40)=[{&(0x7f0000001940)="296495698bf2b9b6cd3c5c85126799d881a3cde87d28cfc764fc6e2e1ea82a4280f282e8c37086c0f686960632b07c5b9503e969a95e1dbf210dcb18ece80367", 0x40}, {&(0x7f0000002a00)="05d5af380c0665afe77ab15d3de34ca7a7bfc81d77bdc22f965c72d726cc8732", 0x20}], 0x2}}], 0x1, 0x0) [ 56.134453][ T8299] IPVS: ftp: loaded support on port[0] = 21 [ 56.156115][ T8296] chnl_net:caif_netlink_parms(): no params data found [ 56.308677][ T8296] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.315797][ T8296] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.338049][ T8296] device bridge_slave_0 entered promiscuous mode [ 56.361477][ T8296] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.370154][ T8296] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.378997][ T8296] device bridge_slave_1 entered promiscuous mode [ 56.393015][ T8299] chnl_net:caif_netlink_parms(): no params data found 22:54:13 executing program 3: bpf$MAP_CREATE(0x0, &(0x7f0000000180)={0x9, 0x0, 0x0, 0x29, 0x42}, 0x3c) [ 56.447820][ T8296] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.468355][ T8302] IPVS: ftp: loaded support on port[0] = 21 [ 56.502014][ T8296] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.522807][ T8299] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.531991][ T8299] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.542005][ T8299] device bridge_slave_0 entered promiscuous mode [ 56.573389][ T8299] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.583079][ T8299] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.591510][ T8299] device bridge_slave_1 entered promiscuous mode [ 56.634949][ T8296] team0: Port device team_slave_0 added [ 56.658417][ T8296] team0: Port device team_slave_1 added [ 56.679477][ T8299] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.707696][ T8299] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 22:54:13 executing program 4: r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f0000000380)) openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/kvm\x00', 0x0, 0x0) perf_event_open(&(0x7f00000004c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0xffffffffffffffff, 0x0) getpeername$packet(0xffffffffffffffff, &(0x7f0000000b80)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @random}, &(0x7f0000000000)=0x14) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000240)=[@textreal={0x8, &(0x7f0000000080)="f2a6bad004b00fee0f090f3036f30f1a970000660f3806581e0f08bad004b0beeef30f2af8baa100b000ee", 0x2b}], 0x2de, 0x0, 0x0, 0xffffffffffffff5e) ioctl$KVM_CREATE_IRQCHIP(r2, 0xae60) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r2, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r3, 0x4090ae82, &(0x7f00000002c0)={[0xc4b, 0x0, 0x800, 0x0, 0x0, 0x9, 0x4ce]}) ioctl$KVM_RUN(r3, 0xae80, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) [ 56.775665][ T8296] device hsr_slave_0 entered promiscuous mode [ 56.817475][ T8296] device hsr_slave_1 entered promiscuous mode [ 56.898577][ T8299] team0: Port device team_slave_0 added [ 56.918500][ T8299] team0: Port device team_slave_1 added [ 56.931605][ T8304] IPVS: ftp: loaded support on port[0] = 21 22:54:13 executing program 5: socket$inet(0x2, 0x100000000000003, 0x800000800000001) socket$inet_icmp_raw(0x2, 0x3, 0x1) socket$inet(0x2, 0x100000000000003, 0x800000800000001) pipe(&(0x7f0000000000)) r0 = socket$inet(0x2, 0x100000000000003, 0x800000800000001) getsockopt$inet_mreqsrc(r0, 0x0, 0x53, &(0x7f0000000000)={@dev, @local, @broadcast}, &(0x7f0000000100)=0x8) [ 57.016741][ T8302] chnl_net:caif_netlink_parms(): no params data found [ 57.025375][ T8296] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.089018][ T8296] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.170104][ T8296] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.231115][ T8296] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.303173][ T8307] IPVS: ftp: loaded support on port[0] = 21 [ 57.309312][ T8296] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.317482][ T8296] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.325421][ T8296] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.332553][ T8296] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.370134][ T8299] device hsr_slave_0 entered promiscuous mode [ 57.428432][ T8299] device hsr_slave_1 entered promiscuous mode [ 57.476229][ T8299] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.494456][ T8309] IPVS: ftp: loaded support on port[0] = 21 [ 57.502838][ T3046] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.511936][ T3046] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.575244][ T8302] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.582529][ T8302] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.591319][ T8302] device bridge_slave_0 entered promiscuous mode [ 57.614159][ T8299] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.658097][ T8302] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.665188][ T8302] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.673117][ T8302] device bridge_slave_1 entered promiscuous mode [ 57.692057][ T8302] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.726700][ T8299] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.770087][ T8299] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.838780][ T8302] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.872763][ T8299] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.945436][ T8304] chnl_net:caif_netlink_parms(): no params data found [ 57.961726][ T8302] team0: Port device team_slave_0 added [ 57.970727][ T8302] team0: Port device team_slave_1 added [ 58.057907][ T8302] device hsr_slave_0 entered promiscuous mode [ 58.106573][ T8302] device hsr_slave_1 entered promiscuous mode [ 58.166157][ T8302] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.210341][ T8307] chnl_net:caif_netlink_parms(): no params data found [ 58.264482][ T8296] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.275635][ T8304] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.283483][ T8304] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.291906][ T8304] device bridge_slave_0 entered promiscuous mode [ 58.303779][ T8304] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.311387][ T8304] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.319160][ T8304] device bridge_slave_1 entered promiscuous mode [ 58.346867][ T8296] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.355703][ T8307] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.363011][ T8307] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.370823][ T8307] device bridge_slave_0 entered promiscuous mode [ 58.383154][ T8307] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.390283][ T8307] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.398410][ T8307] device bridge_slave_1 entered promiscuous mode [ 58.409949][ T8302] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.479800][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.489706][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.518105][ T8304] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.529050][ T8304] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.538837][ T8309] chnl_net:caif_netlink_parms(): no params data found [ 58.548681][ T8302] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.599618][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.609200][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.617590][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.624633][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.632216][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.641428][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.649841][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.657039][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.664507][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.673218][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.682128][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.690717][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.701067][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.714383][ T8307] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.736286][ T8302] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.768106][ T8302] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.818334][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.827286][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.837229][ T8307] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.856025][ T8304] team0: Port device team_slave_0 added [ 58.863091][ T8304] team0: Port device team_slave_1 added [ 58.894963][ T8299] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.905460][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.914172][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.922902][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.931656][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.018936][ T8304] device hsr_slave_0 entered promiscuous mode [ 59.076494][ T8304] device hsr_slave_1 entered promiscuous mode [ 59.116042][ T8304] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.128441][ T8309] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.135539][ T8309] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.148342][ T8309] device bridge_slave_0 entered promiscuous mode [ 59.157080][ T8296] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.169928][ T8307] team0: Port device team_slave_0 added [ 59.179313][ T8307] team0: Port device team_slave_1 added [ 59.187341][ T8309] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.194453][ T8309] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.202249][ T8309] device bridge_slave_1 entered promiscuous mode [ 59.220687][ T8299] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.242498][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.250132][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.288753][ T8307] device hsr_slave_0 entered promiscuous mode [ 59.316196][ T8307] device hsr_slave_1 entered promiscuous mode [ 59.355949][ T8307] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.366386][ T8309] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.380154][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.395091][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.403646][ T3704] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.410727][ T3704] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.419624][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.433896][ T8309] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.443326][ T8304] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.510822][ T8304] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.558889][ T8304] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.599516][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.608258][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.616739][ T3704] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.623768][ T3704] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.631571][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.639041][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.667895][ T8309] team0: Port device team_slave_0 added [ 59.673723][ T8304] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.733457][ T8315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.743039][ T8315] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.752715][ T8315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.761872][ T8315] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.770331][ T8315] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.779652][ T8315] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.788781][ T8309] team0: Port device team_slave_1 added [ 59.795243][ T8315] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.806762][ T8296] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.833454][ T8299] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.857429][ T8299] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.878446][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.887736][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.899905][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.908745][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.917557][ T8307] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.959651][ T8302] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.982639][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.990641][ T8307] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.028278][ T8307] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 165.035857][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 165.042882][ C1] (detected by 1, t=10502 jiffies, g=6661, q=63) [ 165.049283][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953653-4294943150), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 165.062623][ C1] rcu_preempt R running task 28864 10 2 0x80004008 [ 165.070515][ C1] Call Trace: [ 165.073789][ C1] [ 165.076634][ C1] sched_show_task+0x40f/0x560 [ 165.081416][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 165.086789][ C1] update_process_times+0x12d/0x180 [ 165.091985][ C1] tick_sched_timer+0x263/0x420 [ 165.096838][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.102397][ C1] __hrtimer_run_queues+0x403/0x840 [ 165.107597][ C1] hrtimer_interrupt+0x38c/0xda0 [ 165.112533][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.117807][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.123346][ C1] apic_timer_interrupt+0xf/0x20 [ 165.128267][ C1] [ 165.131197][ C1] RIP: 0010:__memcg_kmem_uncharge+0x44/0x2e0 [ 165.137160][ C1] Code: fc ff df 4c 8d 77 38 4d 89 f5 49 c1 ed 03 41 80 7c 05 00 00 74 08 4c 89 f7 e8 d8 f4 fa ff 4d 8b 3e b8 01 00 00 00 89 d9 d3 e0 <4d> 85 ff 0f 84 bf 01 00 00 4c 39 3d c4 8f 8c 07 0f 84 6e 02 00 00 [ 165.156751][ C1] RSP: 0018:ffffc90000d0fc08 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.165148][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 165.173127][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0001b0b040 [ 165.181098][ C1] RBP: ffffc90000d0fc38 R08: dffffc0000000000 R09: fffffbfff120248a [ 165.189058][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffffea0001b0b040 [ 165.197015][ C1] R13: 1ffffd400036160f R14: ffffea0001b0b078 R15: 0000000000000000 [ 165.204989][ C1] ? free_thread_stack+0x124/0x590 [ 165.210086][ C1] free_thread_stack+0x12e/0x590 [ 165.215017][ C1] put_task_stack+0xa3/0x130 [ 165.219613][ C1] finish_task_switch+0x3f1/0x550 [ 165.224801][ C1] __schedule+0x9a8/0xcc0 [ 165.229127][ C1] schedule+0x181/0x210 [ 165.233269][ C1] schedule_timeout+0x14f/0x240 [ 165.238103][ C1] ? run_local_timers+0x120/0x120 [ 165.243120][ C1] rcu_gp_kthread+0xed8/0x1770 [ 165.247879][ C1] kthread+0x332/0x350 [ 165.251930][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 165.257036][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.261615][ C1] ret_from_fork+0x24/0x30 [ 165.266032][ C1] rcu: rcu_preempt kthread starved for 10525 jiffies! g6661 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 165.277114][ C1] rcu: RCU grace-period kthread stack dump: [ 165.283018][ C1] rcu_preempt R running task 28864 10 2 0x80004008 [ 165.290932][ C1] Call Trace: [ 165.294225][ C1] [ 165.297079][ C1] sched_show_task+0x40f/0x560 [ 165.301844][ C1] rcu_check_gp_kthread_starvation+0x170/0x1b0 [ 165.307994][ C1] rcu_sched_clock_irq+0x17d3/0x1ad0 [ 165.313316][ C1] update_process_times+0x12d/0x180 [ 165.318506][ C1] tick_sched_timer+0x263/0x420 [ 165.323346][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.328879][ C1] __hrtimer_run_queues+0x403/0x840 [ 165.334077][ C1] hrtimer_interrupt+0x38c/0xda0 [ 165.339017][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.344292][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.349824][ C1] apic_timer_interrupt+0xf/0x20 [ 165.354740][ C1] [ 165.357668][ C1] RIP: 0010:__memcg_kmem_uncharge+0x44/0x2e0 [ 165.363632][ C1] Code: fc ff df 4c 8d 77 38 4d 89 f5 49 c1 ed 03 41 80 7c 05 00 00 74 08 4c 89 f7 e8 d8 f4 fa ff 4d 8b 3e b8 01 00 00 00 89 d9 d3 e0 <4d> 85 ff 0f 84 bf 01 00 00 4c 39 3d c4 8f 8c 07 0f 84 6e 02 00 00 [ 165.383222][ C1] RSP: 0018:ffffc90000d0fc08 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.391618][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 165.399575][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0001b0b040 [ 165.407531][ C1] RBP: ffffc90000d0fc38 R08: dffffc0000000000 R09: fffffbfff120248a [ 165.415489][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffffea0001b0b040 [ 165.423447][ C1] R13: 1ffffd400036160f R14: ffffea0001b0b078 R15: 0000000000000000 [ 165.431425][ C1] ? free_thread_stack+0x124/0x590 [ 165.436523][ C1] free_thread_stack+0x12e/0x590 [ 165.441449][ C1] put_task_stack+0xa3/0x130 [ 165.446027][ C1] finish_task_switch+0x3f1/0x550 [ 165.451040][ C1] __schedule+0x9a8/0xcc0 [ 165.455368][ C1] schedule+0x181/0x210 [ 165.459515][ C1] schedule_timeout+0x14f/0x240 [ 165.464351][ C1] ? run_local_timers+0x120/0x120 [ 165.469363][ C1] rcu_gp_kthread+0xed8/0x1770 [ 165.474124][ C1] kthread+0x332/0x350 [ 165.478177][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 165.483280][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.487880][ C1] ret_from_fork+0x24/0x30