[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.116454][ T23] audit: type=1800 audit(1575357288.770:25): pid=8204 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.135605][ T23] audit: type=1800 audit(1575357288.770:26): pid=8204 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.155304][ T23] audit: type=1800 audit(1575357288.770:27): pid=8204 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 '10.128.0.153' (ECDSA) to the list of known hosts. 2019/12/03 07:14:58 fuzzer started 2019/12/03 07:15:00 dialing manager at 10.128.0.26:38907 2019/12/03 07:15:00 syscalls: 2697 2019/12/03 07:15:00 code coverage: enabled 2019/12/03 07:15:00 comparison tracing: enabled 2019/12/03 07:15:00 extra coverage: extra coverage is not supported by the kernel 2019/12/03 07:15:00 setuid sandbox: enabled 2019/12/03 07:15:00 namespace sandbox: enabled 2019/12/03 07:15:00 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 07:15:00 fault injection: enabled 2019/12/03 07:15:00 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 07:15:00 net packet injection: enabled 2019/12/03 07:15:00 net device setup: enabled 2019/12/03 07:15:00 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 07:15:00 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:15:01 executing program 0: r0 = syz_init_net_socket$ax25(0x3, 0x5, 0x0) ioctl$SIOCAX25NOUID(r0, 0x8915, 0x0) 07:15:01 executing program 1: r0 = socket(0x18, 0x0, 0x0) getsockopt$SO_BINDTODEVICE(r0, 0x1, 0x37, &(0x7f0000000000), 0x20a154cc) syzkaller login: [ 58.113934][ T8369] IPVS: ftp: loaded support on port[0] = 21 07:15:01 executing program 2: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) r1 = socket$inet_dccp(0x2, 0x6, 0x0) listen(r0, 0x6) setsockopt(r1, 0x10d, 0xf, &(0x7f00001c9fff)="03", 0x1) connect$inet(r1, &(0x7f0000e5c000)={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x30}}, 0x10) [ 58.280645][ T8369] chnl_net:caif_netlink_parms(): no params data found [ 58.345729][ T8372] IPVS: ftp: loaded support on port[0] = 21 [ 58.382434][ T8369] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.390539][ T8369] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.413379][ T8369] device bridge_slave_0 entered promiscuous mode [ 58.443131][ T8369] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.450322][ T8369] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.474333][ T8369] device bridge_slave_1 entered promiscuous mode 07:15:02 executing program 3: creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe(0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cgroup.clone_children\x00', 0x2, 0x0) sendfile(r1, r1, 0x0, 0x9) pipe(&(0x7f0000000700)={0xffffffffffffffff, 0xffffffffffffffff}) write(r3, 0x0, 0x0) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_gettime(0x0, &(0x7f0000000440)={0x0, 0x0}) pselect6(0x40, &(0x7f00000000c0), 0x0, &(0x7f0000000140)={0x1b7}, &(0x7f0000000200)={0x0, r4+30000000}, 0x0) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) write$binfmt_elf32(0xffffffffffffffff, &(0x7f0000000340)=ANY=[], 0xffffffc6) [ 58.532421][ T8369] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.554843][ T8369] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.663459][ T8369] team0: Port device team_slave_0 added [ 58.670783][ T8369] team0: Port device team_slave_1 added [ 58.715777][ T8375] IPVS: ftp: loaded support on port[0] = 21 [ 58.749187][ T8372] chnl_net:caif_netlink_parms(): no params data found 07:15:02 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000300)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x200000b, 0x11, r2, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000000000/0x18000)=nil, 0x0, 0x0, 0x40, 0x0, 0x0) write$FUSE_ATTR(0xffffffffffffffff, &(0x7f0000000100)={0x78, 0x0, 0x0, {0x0, 0x0, 0x0, {0x0, 0x7}}}, 0x78) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 58.864663][ T8369] device hsr_slave_0 entered promiscuous mode [ 58.932681][ T8369] device hsr_slave_1 entered promiscuous mode 07:15:02 executing program 5: bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000300)={&(0x7f0000000200)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x24, 0x24, 0x2, [@struct={0x0, 0x2, 0x0, 0x4, 0x0, 0x800, [{0x0, 0x2, 0x9}, {0x0, 0x5}]}]}}, 0x0, 0x3e}, 0x20) [ 59.010048][ T8379] IPVS: ftp: loaded support on port[0] = 21 [ 59.036245][ T8377] IPVS: ftp: loaded support on port[0] = 21 [ 59.133108][ T8369] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.195443][ T8369] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.264595][ T8369] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.355584][ T8369] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.413390][ T8372] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.420501][ T8372] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.429117][ T8372] device bridge_slave_0 entered promiscuous mode [ 59.437798][ T8372] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.445615][ T8372] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.453852][ T8372] device bridge_slave_1 entered promiscuous mode [ 59.515345][ T8381] IPVS: ftp: loaded support on port[0] = 21 [ 59.530571][ T8372] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.551792][ T8372] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.620765][ T8372] team0: Port device team_slave_0 added [ 59.629685][ T8372] team0: Port device team_slave_1 added [ 59.661140][ T8377] chnl_net:caif_netlink_parms(): no params data found [ 59.719862][ T8375] chnl_net:caif_netlink_parms(): no params data found [ 59.740003][ T8377] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.747283][ T8377] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.755163][ T8377] device bridge_slave_0 entered promiscuous mode [ 59.793410][ T8372] device hsr_slave_0 entered promiscuous mode [ 59.851361][ T8372] device hsr_slave_1 entered promiscuous mode [ 59.921214][ T8372] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.936648][ T8377] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.944010][ T8377] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.952058][ T8377] device bridge_slave_1 entered promiscuous mode [ 59.966055][ T8379] chnl_net:caif_netlink_parms(): no params data found [ 59.994107][ T8375] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.001958][ T8375] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.009808][ T8375] device bridge_slave_0 entered promiscuous mode [ 60.019626][ T8375] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.029196][ T8375] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.037582][ T8375] device bridge_slave_1 entered promiscuous mode [ 60.052056][ T8377] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.065178][ T8377] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.115463][ T8375] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.135359][ T8377] team0: Port device team_slave_0 added [ 60.145605][ T8375] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.175145][ T8377] team0: Port device team_slave_1 added [ 60.195491][ T8379] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.205275][ T8379] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.214395][ T8379] device bridge_slave_0 entered promiscuous mode [ 60.223345][ T8379] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.230404][ T8379] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.238507][ T8379] device bridge_slave_1 entered promiscuous mode [ 60.252377][ T8369] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.264615][ T8375] team0: Port device team_slave_0 added [ 60.297891][ T8372] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.347876][ T8372] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.407175][ T8375] team0: Port device team_slave_1 added [ 60.419589][ T8379] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.438991][ T8372] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.505468][ T8381] chnl_net:caif_netlink_parms(): no params data found [ 60.564029][ T8377] device hsr_slave_0 entered promiscuous mode [ 60.601448][ T8377] device hsr_slave_1 entered promiscuous mode [ 60.641328][ T8377] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.650179][ T8379] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.675348][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.684053][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.694114][ T8372] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.764382][ T8369] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.834024][ T8375] device hsr_slave_0 entered promiscuous mode [ 60.861463][ T8375] device hsr_slave_1 entered promiscuous mode [ 60.901154][ T8375] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.960659][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.971241][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.979813][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.987078][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.995857][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.004810][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.013189][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.020231][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.030001][ T8379] team0: Port device team_slave_0 added [ 61.062305][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.070249][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.079197][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.087952][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.097549][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.106099][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.115181][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.123920][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.133542][ T8379] team0: Port device team_slave_1 added [ 61.168582][ T8369] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.183014][ T8369] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.202403][ T8381] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.209492][ T8381] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.217665][ T8381] device bridge_slave_0 entered promiscuous mode [ 61.227683][ T8375] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.284336][ T8383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.293289][ T8383] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.303131][ T8383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.312774][ T8383] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.321701][ T8383] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.329272][ T8377] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.393689][ T8377] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.442234][ T8381] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.449335][ T8381] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.457832][ T8381] device bridge_slave_1 entered promiscuous mode [ 61.472166][ T8375] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 61.504527][ T8375] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.593902][ T8379] device hsr_slave_0 entered promiscuous mode [ 61.641508][ T8379] device hsr_slave_1 entered promiscuous mode [ 61.681501][ T8379] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.689228][ T8377] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.754031][ T8375] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.824317][ T8377] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.876050][ T8381] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.887111][ T8381] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.935515][ T8381] team0: Port device team_slave_0 added [ 61.942901][ T8381] team0: Port device team_slave_1 added [ 61.988082][ T8372] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.002949][ T8369] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.010421][ T8379] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.045516][ T8379] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.098039][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.105616][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.124477][ T8372] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.135356][ T8379] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.213664][ T8381] device hsr_slave_0 entered promiscuous mode [ 62.252030][ T8381] device hsr_slave_1 entered promiscuous mode [ 62.291096][ T8381] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.303909][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.312874][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.320603][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.329319][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.338156][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.345238][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.354322][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.374158][ T8383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.388246][ T8383] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.397609][ T8383] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.404740][ T8383] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.412880][ T8379] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 62.471704][ T8377] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.544894][ T8381] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 167.510903][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.517731][ C1] rcu: 1-...!: (10499 ticks this GP) idle=9ea/1/0x4000000000000002 softirq=10941/10941 fqs=2 [ 167.528223][ C1] (t=10501 jiffies g=6857 q=160) [ 167.533362][ C1] rcu: rcu_preempt kthread starved for 10498 jiffies! g6857 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 167.544472][ C1] rcu: RCU grace-period kthread stack dump: [ 167.550357][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 167.558252][ C1] Call Trace: [ 167.561546][ C1] __schedule+0x9a0/0xcc0 [ 167.565897][ C1] schedule+0x181/0x210 [ 167.570042][ C1] schedule_timeout+0x14f/0x240 [ 167.574881][ C1] ? run_local_timers+0x120/0x120 [ 167.579898][ C1] rcu_gp_kthread+0xed8/0x1770 [ 167.584690][ C1] kthread+0x332/0x350 [ 167.588742][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 167.593839][ C1] ? kthread_blkcg+0xe0/0xe0 [ 167.598419][ C1] ret_from_fork+0x24/0x30 [ 167.602836][ C1] NMI backtrace for cpu 1 [ 167.607154][ C1] CPU: 1 PID: 8340 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 167.614594][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.624641][ C1] Call Trace: [ 167.627913][ C1] [ 167.630752][ C1] dump_stack+0x1fb/0x318 [ 167.635076][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.640007][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.646148][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.652204][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.658171][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.664052][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.669156][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.674345][ C1] ? trace_hardirqs_off+0x74/0x80 [ 167.679361][ C1] update_process_times+0x12d/0x180 [ 167.684548][ C1] tick_sched_timer+0x263/0x420 [ 167.689385][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.694920][ C1] __hrtimer_run_queues+0x403/0x840 [ 167.700119][ C1] hrtimer_interrupt+0x38c/0xda0 [ 167.705059][ C1] ? debug_smp_processor_id+0x9/0x20 [ 167.710331][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 167.715864][ C1] apic_timer_interrupt+0xf/0x20 [ 167.720781][ C1] [ 167.723711][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x50 [ 167.729869][ C1] Code: cc 07 48 89 de e8 64 02 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e f7 c2 00 01 1f 00 75 2c <8b> 91 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 [ 167.749492][ C1] RSP: 0018:ffffc90001e37ad8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.757901][ C1] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: ffff8880a3e084c0 [ 167.765865][ C1] RDX: 0000000000000001 RSI: 00000000fffffffc RDI: ffffea00024be7c0 [ 167.773825][ C1] RBP: ffffc90001e37b00 R08: 000000000003a768 R09: fffffbfff120248a [ 167.781783][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: dffffc0000000000 [ 167.789740][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a31874e8 [ 167.797719][ C1] ? mod_memcg_page_state+0x123/0x190 [ 167.803086][ C1] ? free_thread_stack+0x124/0x590 [ 167.808180][ C1] ? mod_memcg_page_state+0x123/0x190 [ 167.813539][ C1] free_thread_stack+0x168/0x590 [ 167.820112][ C1] put_task_stack+0xa3/0x130 [ 167.824688][ C1] finish_task_switch+0x3f1/0x550 [ 167.829704][ C1] __schedule+0x9a8/0xcc0 [ 167.834030][ C1] schedule+0x181/0x210 [ 167.838175][ C1] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 167.844237][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 167.850033][ C1] schedule_hrtimeout_range+0x2a/0x40 [ 167.855393][ C1] ep_poll+0xa4d/0xe80 [ 167.859461][ C1] ? do_task_dead+0xc0/0xc0 [ 167.863980][ C1] ? __kasan_check_read+0x11/0x20 [ 167.868996][ C1] do_epoll_wait+0x1ee/0x260 [ 167.873576][ C1] __x64_sys_epoll_wait+0x9a/0xb0 [ 167.878614][ C1] do_syscall_64+0xf7/0x1c0 [ 167.883107][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.888988][ C1] RIP: 0033:0x7fca14e69943 [ 167.893398][ C1] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 167.912991][ C1] RSP: 002b:00007ffddb29f848 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 167.921389][ C1] RAX: ffffffffffffffda RBX: 0000000000659250 RCX: 00007fca14e69943 [ 167.929346][ C1] RDX: 0000000000000004 RSI: 00007ffddb29f910 RDI: 0000000000000007 [ 167.937304][ C1] RBP: 0000000000625500 R08: 00007ffddb29f830 R09: 00007ffddb32f0b8 [ 167.945262][ C1] R10: 000000000000ee41 R11: 0000000000000246 R12: 0000000000669fe0 [ 167.953220][ C1] R13: 00007ffddb2a0967 R14: 0000000000000005 R15: 0000000000659250