Warning: Permanently added '10.128.0.235' (ECDSA) to the list of known hosts. 2019/12/03 00:03:52 fuzzer started 2019/12/03 00:03:54 dialing manager at 10.128.0.26:38907 2019/12/03 00:03:54 syscalls: 2697 2019/12/03 00:03:54 code coverage: enabled 2019/12/03 00:03:54 comparison tracing: enabled 2019/12/03 00:03:54 extra coverage: extra coverage is not supported by the kernel 2019/12/03 00:03:54 setuid sandbox: enabled 2019/12/03 00:03:54 namespace sandbox: enabled 2019/12/03 00:03:54 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 00:03:54 fault injection: enabled 2019/12/03 00:03:54 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 00:03:54 net packet injection: enabled 2019/12/03 00:03:54 net device setup: enabled 2019/12/03 00:03:54 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 00:03:54 devlink PCI setup: PCI device 0000:00:10.0 is not available 00:03:55 executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000240)={0x9, 0x3, &(0x7f00000000c0)=@framed, &(0x7f0000000140)='syzkaller\x00', 0x1, 0x1ee, &(0x7f00000003c0)=""/251, 0x0, 0x0, [], 0x0, 0xd}, 0x48) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x200002, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000100)={r1, r0, 0xd, 0x2}, 0x10) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000040)={r1, r0, 0xd, 0x2}, 0x10) 00:03:55 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$unix(0x1, 0x10004000000002, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) unshare(0x400) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_ASSOCINFO(r3, 0x84, 0x13, 0x0, 0x0) syzkaller login: [ 56.361164][ T8281] IPVS: ftp: loaded support on port[0] = 21 [ 56.521957][ T8281] chnl_net:caif_netlink_parms(): no params data found 00:03:55 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x15) socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000016c0)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0x20ff0cdc) setresuid(0x0, r2, 0x0) sendmsg$nl_generic(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000a00)={0xe0, 0x11, 0x7, 0x0, 0x0, {0x0, 0xf0ffff, 0x600}, [@nested={0xcc, 0x0, [@generic="0f6f318751f87b1508a9ad50fd566571564e7f6afc1f1ef6b488d9b2b52c", @generic="06fa8cd5927aa3a4bd22398b9771220bc1747da486420b4693e5dc11e56fac5b29c20a822532e3923950253fe90e6dfa9488dbd5565560ac2ff6ba7da02cfc1ab749d5f5b0b540902e9c5a6bc23f8f14f491d02362aec1d53758177a93e449e6fa548b8db33383c0d3aca06aa7a9b723f564f09eb866925b10455092c06b9307f1308c47276fa483f1c333b85198ff8f04c9f7b6bccb93ccd6f3fcabead8966642b703ac89399e"]}]}, 0xe0}}, 0x0) [ 56.596207][ T8281] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.604588][ T8281] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.612557][ T8281] device bridge_slave_0 entered promiscuous mode [ 56.627936][ T8284] IPVS: ftp: loaded support on port[0] = 21 [ 56.635752][ T8281] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.646886][ T8281] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.664268][ T8281] device bridge_slave_1 entered promiscuous mode [ 56.732192][ T8281] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.761317][ T8281] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.809718][ T8281] team0: Port device team_slave_0 added [ 56.849827][ T8281] team0: Port device team_slave_1 added 00:03:55 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = fcntl$dupfd(r0, 0x0, r0) r4 = socket(0x10, 0x80002, 0x0) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000300)={'team0\x00', 0x0}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000940)=ANY=[@ANYBLOB="7400000024008b04fffffe0000000084dd0b10e9", @ANYRES32=r5, @ANYBLOB="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"/760], 0x74}}, 0x0) sendmmsg$alg(r4, &(0x7f0000000180)=[{0x3, 0x1000000000000, &(0x7f0000000080), 0xe, &(0x7f0000000100)}], 0x492492492492642, 0x0) [ 56.894297][ T8284] chnl_net:caif_netlink_parms(): no params data found [ 56.955782][ T8281] device hsr_slave_0 entered promiscuous mode [ 57.014178][ T8281] device hsr_slave_1 entered promiscuous mode 00:03:56 executing program 4: r0 = socket(0x10, 0x80002, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="300000002e00010700"/20, @ANYRES32, @ANYBLOB="000000080001006233320004000200"/24], 0x30}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000140), 0xc, 0x0) [ 57.179310][ T8287] IPVS: ftp: loaded support on port[0] = 21 [ 57.212478][ T8289] IPVS: ftp: loaded support on port[0] = 21 [ 57.271535][ T8284] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.292804][ T8284] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.300480][ T8284] device bridge_slave_0 entered promiscuous mode 00:03:56 executing program 5: unshare(0x8000400) r0 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x188, 0x0) ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0x810c5703, 0x0) [ 57.345782][ T8281] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.411772][ T8281] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.454624][ T8284] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.462189][ T8284] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.470824][ T8284] device bridge_slave_1 entered promiscuous mode [ 57.491186][ T8291] IPVS: ftp: loaded support on port[0] = 21 [ 57.503032][ T8281] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.558776][ T8284] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.571844][ T8284] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.588294][ T8281] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.657845][ T8294] IPVS: ftp: loaded support on port[0] = 21 [ 57.697684][ T8284] team0: Port device team_slave_0 added [ 57.706509][ T8284] team0: Port device team_slave_1 added [ 57.765606][ T8284] device hsr_slave_0 entered promiscuous mode [ 57.803200][ T8284] device hsr_slave_1 entered promiscuous mode [ 57.842892][ T8284] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.945649][ T8289] chnl_net:caif_netlink_parms(): no params data found [ 57.969428][ T8287] chnl_net:caif_netlink_parms(): no params data found [ 57.984955][ T8284] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.040780][ T8284] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.094520][ T8284] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.146498][ T8284] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.238670][ T8289] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.246125][ T8289] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.254093][ T8289] device bridge_slave_0 entered promiscuous mode [ 58.261629][ T8289] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.269191][ T8289] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.277206][ T8289] device bridge_slave_1 entered promiscuous mode [ 58.327415][ T8289] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.337226][ T8287] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.346735][ T8287] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.354631][ T8287] device bridge_slave_0 entered promiscuous mode [ 58.362862][ T8287] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.369902][ T8287] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.377687][ T8287] device bridge_slave_1 entered promiscuous mode [ 58.390157][ T8294] chnl_net:caif_netlink_parms(): no params data found [ 58.400448][ T8289] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.449663][ T8289] team0: Port device team_slave_0 added [ 58.457022][ T8289] team0: Port device team_slave_1 added [ 58.479471][ T8291] chnl_net:caif_netlink_parms(): no params data found [ 58.493080][ T8287] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.565602][ T8289] device hsr_slave_0 entered promiscuous mode [ 58.613284][ T8289] device hsr_slave_1 entered promiscuous mode [ 58.653062][ T8289] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.671882][ T8281] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.680935][ T8287] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.771021][ T8287] team0: Port device team_slave_0 added [ 58.777575][ T8289] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.831010][ T8294] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.838361][ T8294] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.846413][ T8294] device bridge_slave_0 entered promiscuous mode [ 58.854214][ T8294] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.861258][ T8294] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.869265][ T8294] device bridge_slave_1 entered promiscuous mode [ 58.878905][ T8287] team0: Port device team_slave_1 added [ 58.885342][ T8289] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.934379][ T8291] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.941556][ T8291] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.952394][ T8291] device bridge_slave_0 entered promiscuous mode [ 58.969333][ T8284] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.979232][ T8289] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.026695][ T8291] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.035763][ T8291] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.044209][ T8291] device bridge_slave_1 entered promiscuous mode [ 59.060584][ T8294] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.077672][ T8294] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.090973][ T8289] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.139362][ T8281] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.149376][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.158243][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.236135][ T8287] device hsr_slave_0 entered promiscuous mode [ 59.276806][ T8287] device hsr_slave_1 entered promiscuous mode [ 59.322836][ T8287] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.348589][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.358692][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.366549][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.375159][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.384429][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.391627][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.400037][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.408883][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.417748][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.425064][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.432975][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.443428][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.469980][ T8284] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.478243][ T8291] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.493024][ T8294] team0: Port device team_slave_0 added [ 59.500087][ T8291] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.528302][ T8294] team0: Port device team_slave_1 added [ 59.544231][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.555114][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.564713][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.573415][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.581740][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.590393][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.599791][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.608377][ T8293] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.615460][ T8293] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.652443][ T8287] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.687789][ T8287] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.757572][ T8291] team0: Port device team_slave_0 added [ 59.764201][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.772232][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.781295][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.790396][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.807536][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.816356][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.824743][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.831790][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.839423][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.847955][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.856501][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.865724][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.875969][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.883794][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.891989][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.904770][ T8287] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.958418][ T8287] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.015512][ T8291] team0: Port device team_slave_1 added [ 60.024385][ T8281] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.054549][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.065063][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.136723][ T8294] device hsr_slave_0 entered promiscuous mode [ 60.173265][ T8294] device hsr_slave_1 entered promiscuous mode [ 60.203285][ T8294] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.224852][ T8281] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.276589][ T8291] device hsr_slave_0 entered promiscuous mode [ 60.323125][ T8291] device hsr_slave_1 entered promiscuous mode [ 60.363032][ T8291] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.379792][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.387461][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.404941][ T8289] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.432648][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.441752][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.455607][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.465527][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.495911][ T8289] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.515962][ T8284] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.528611][ T8284] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.564504][ T8291] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.595445][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.613835][ T8293] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 165.622666][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.631199][ C0] rcu: 0-...!: (10499 ticks this GP) idle=042/1/0x4000000000000002 softirq=12237/12237 fqs=0 [ 165.641775][ C0] (t=10501 jiffies g=6429 q=41) [ 165.646704][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g6429 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 165.657784][ C0] rcu: RCU grace-period kthread stack dump: [ 165.665052][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 165.673078][ C0] Call Trace: [ 165.677921][ C0] __schedule+0x9a0/0xcc0 [ 165.682250][ C0] schedule+0x181/0x210 [ 165.686916][ C0] schedule_timeout+0x14f/0x240 [ 165.692191][ C0] ? run_local_timers+0x120/0x120 [ 165.699074][ C0] rcu_gp_kthread+0xed8/0x1770 [ 165.704274][ C0] kthread+0x332/0x350 [ 165.709900][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 165.715089][ C0] ? kthread_blkcg+0xe0/0xe0 [ 165.719665][ C0] ret_from_fork+0x24/0x30 [ 165.724395][ C0] NMI backtrace for cpu 0 [ 165.729062][ C0] CPU: 0 PID: 8293 Comm: kworker/0:3 Not tainted 5.4.0-syzkaller #0 [ 165.737103][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.747933][ C0] Workqueue: events linkwatch_event [ 165.753111][ C0] Call Trace: [ 165.756396][ C0] [ 165.759233][ C0] dump_stack+0x1fb/0x318 [ 165.763549][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.768384][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.774521][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.780571][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.786547][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.792427][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.797533][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.802746][ C0] ? trace_hardirqs_off+0x74/0x80 [ 165.807764][ C0] update_process_times+0x12d/0x180 [ 165.812973][ C0] tick_sched_timer+0x263/0x420 [ 165.817808][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.823338][ C0] __hrtimer_run_queues+0x403/0x840 [ 165.828603][ C0] hrtimer_interrupt+0x38c/0xda0 [ 165.833546][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.838820][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 165.844353][ C0] apic_timer_interrupt+0xf/0x20 [ 165.849272][ C0] [ 165.852209][ C0] RIP: 0010:__memcg_kmem_uncharge+0x219/0x2e0 [ 165.858288][ C0] Code: 4b 0d 89 e8 59 97 00 00 bf 01 00 00 00 e8 2f e3 9b ff 65 8b 05 d4 fd 4a 7e 85 c0 74 53 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f <5d> c3 49 8d 5f 10 48 89 df be 08 00 00 00 e8 04 c1 fa ff 48 8b 45 [ 165.879200][ C0] RSP: 0018:ffffc90002667648 EFLAGS: 00000292 ORIG_RAX: ffffffffffffff13 [ 165.887608][ C0] RAX: 0000000000000001 RBX: ffffea00026ba880 RCX: 0000000000000000 [ 165.895565][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00026ba880 [ 165.903523][ C0] RBP: ffffc90002667648 R08: dffffc0000000000 R09: fffffbfff120248a [ 165.911738][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff88808c72eea0 [ 165.919696][ C0] R13: dffffc0000000000 R14: 1ffff110118e5dd4 R15: ffff8880a7d274e8 [ 165.927947][ C0] free_thread_stack+0x12e/0x590 [ 165.933120][ C0] put_task_stack+0xa3/0x130 [ 165.937873][ C0] finish_task_switch+0x3f1/0x550 [ 165.942892][ C0] __schedule+0x9a8/0xcc0 [ 165.947216][ C0] ? ___preempt_schedule+0x16/0x18 [ 165.952846][ C0] preempt_schedule+0xdb/0x120 [ 165.957597][ C0] ? ip6_route_add+0x95/0x130 [ 165.962531][ C0] ___preempt_schedule+0x16/0x18 [ 165.968243][ C0] ? mark_lock+0x107/0x1650 [ 165.972735][ C0] __local_bh_enable_ip+0x17d/0x240 [ 165.977919][ C0] ? ip6_route_add+0x95/0x130 [ 165.982601][ C0] _raw_spin_unlock_bh+0x2f/0x40 [ 165.987537][ C0] ip6_route_add+0x95/0x130 [ 165.992033][ C0] addrconf_add_dev+0x3c8/0x540 [ 165.997320][ C0] addrconf_dev_config+0x114/0x280 [ 166.002424][ C0] addrconf_notify+0xc8d/0x3c90 [ 166.007275][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 166.012545][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 166.018918][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 166.024723][ C0] ? trace_hardirqs_on+0x74/0x80 [ 166.030226][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 166.035603][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 166.041167][ C0] ? tls_dev_event+0x619/0xc00 [ 166.045935][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 166.051480][ C0] ? ip6mr_device_event+0x1ee/0x210 [ 166.057191][ C0] raw_notifier_call_chain+0xec/0x190 [ 166.062560][ C0] netdev_state_change+0x147/0x1f0 [ 166.067766][ C0] linkwatch_do_dev+0x10e/0x160 [ 166.072606][ C0] __linkwatch_run_queue+0x446/0x730 [ 166.078922][ C0] linkwatch_event+0x4c/0x60 [ 166.083502][ C0] process_one_work+0x7ef/0x10d0 [ 166.088440][ C0] worker_thread+0xc01/0x1630 [ 166.093125][ C0] kthread+0x332/0x350 [ 166.097297][ C0] ? rcu_lock_release+0x30/0x30 [ 166.102151][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.106742][ C0] ret_from_fork+0x24/0x30