[ 43.386836][ T23] audit: type=1800 audit(1575446783.792:27): pid=7922 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 43.406767][ T23] audit: type=1800 audit(1575446783.792:28): pid=7922 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. [ 43.906711][ T23] audit: type=1800 audit(1575446784.382:29): pid=7922 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 43.926924][ T23] audit: type=1800 audit(1575446784.392:30): pid=7922 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.13' (ECDSA) to the list of known hosts. 2019/12/04 08:06:35 fuzzer started 2019/12/04 08:06:36 dialing manager at 10.128.0.26:36481 2019/12/04 08:06:36 checking machine... 2019/12/04 08:06:36 checking revisions... 2019/12/04 08:06:36 testing simple program... syzkaller login: [ 55.965338][ T8087] IPVS: ftp: loaded support on port[0] = 21 2019/12/04 08:06:36 building call list... [ 56.268752][ T21] tipc: TX() has been purged, node left! [ 56.708759][ T8071] can: request_module (can-proto-0) failed. executing program [ 59.143079][ T8071] can: request_module (can-proto-0) failed. [ 59.154201][ T8071] can: request_module (can-proto-0) failed. 2019/12/04 08:06:43 syscalls: 2691 2019/12/04 08:06:43 code coverage: enabled 2019/12/04 08:06:43 comparison tracing: enabled 2019/12/04 08:06:43 extra coverage: extra coverage is not supported by the kernel 2019/12/04 08:06:43 setuid sandbox: enabled 2019/12/04 08:06:43 namespace sandbox: enabled 2019/12/04 08:06:43 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 08:06:43 fault injection: enabled 2019/12/04 08:06:43 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 08:06:43 net packet injection: enabled 2019/12/04 08:06:43 net device setup: enabled 2019/12/04 08:06:43 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 08:06:43 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:06:44 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800a1695e1dcfe87b1071") r1 = socket(0xa, 0x2, 0x0) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xa) setreuid(0x0, r2) setresuid(r2, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = getpid() sendmsg$unix(r3, &(0x7f0000000500)={0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=[@cred={{0x1c, 0x1, 0x2, {r4}}}], 0x20}, 0x0) 08:06:44 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000280)={0x26, 'hash\x00', 0x0, 0x0, 'cryptd(sha224-generic)\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmsg$IPVS_CMD_GET_DAEMON(r1, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000380)={0x14}, 0x14}}, 0x0) [ 63.975253][ T8131] IPVS: ftp: loaded support on port[0] = 21 08:06:44 executing program 2: r0 = socket(0x2000000000000021, 0x2, 0x10000000000002) setsockopt$RXRPC_SECURITY_KEY(r0, 0x110, 0x300, 0x0, 0x0) [ 64.142668][ T8134] IPVS: ftp: loaded support on port[0] = 21 [ 64.154960][ T8131] chnl_net:caif_netlink_parms(): no params data found [ 64.229630][ T8131] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.237362][ T8131] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.245453][ T8131] device bridge_slave_0 entered promiscuous mode [ 64.263263][ T8131] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.270807][ T8131] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.279046][ T8131] device bridge_slave_1 entered promiscuous mode [ 64.328328][ T8131] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.351752][ T8134] chnl_net:caif_netlink_parms(): no params data found [ 64.362714][ T8131] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.426456][ T8137] IPVS: ftp: loaded support on port[0] = 21 [ 64.443860][ T8134] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.457264][ T8134] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.465616][ T8134] device bridge_slave_0 entered promiscuous mode 08:06:44 executing program 3: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000001a00)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000300)={'nr0\x01\x00', 0x1132}) ioctl$TUNSETOFFLOAD(r0, 0x400454dc, 0xbc58626f8c3fc35d) [ 64.476997][ T8131] team0: Port device team_slave_0 added [ 64.492989][ T8134] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.502226][ T8134] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.513125][ T8134] device bridge_slave_1 entered promiscuous mode [ 64.526043][ T8131] team0: Port device team_slave_1 added [ 64.602969][ T8134] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.651249][ T8131] device hsr_slave_0 entered promiscuous mode [ 64.698963][ T8131] device hsr_slave_1 entered promiscuous mode [ 64.760024][ T8134] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 08:06:45 executing program 4: r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setreuid(0x0, r1) r2 = socket$inet6(0xa, 0x800000000000002, 0x0) sendmmsg$inet6(r2, &(0x7f0000001540)=[{{&(0x7f0000000000)={0xa, 0x4e22, 0x0, @mcast1}, 0x1c, 0x0}}, {{&(0x7f0000000140)={0xa, 0x4e23, 0x0, @mcast2}, 0x1c, 0x0, 0x0, &(0x7f00000002c0)=[@dstopts_2292={{0x18}}], 0x18}}], 0x2, 0x0) [ 64.807233][ T8139] IPVS: ftp: loaded support on port[0] = 21 [ 64.832089][ T8134] team0: Port device team_slave_0 added [ 64.883480][ T8134] team0: Port device team_slave_1 added [ 64.932980][ T8131] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.011401][ T8131] netdevsim netdevsim0 netdevsim1: renamed from eth1 08:06:45 executing program 5: r0 = socket$inet6(0x10, 0x3, 0x0) sendmsg(r0, &(0x7f000000bfc8)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000280)="5500000018007fafb72d1cb2a4a280930206000000a843096c26236925000500a3c728f1c46b7b31afdc5338d54400009b84136ef75afb83de448daa7227c43ab8220000bf0cec6bab91d4000000000000005aaa00", 0x55}], 0x1}, 0x0) [ 65.111996][ T8134] device hsr_slave_0 entered promiscuous mode [ 65.199047][ T8134] device hsr_slave_1 entered promiscuous mode [ 65.249172][ T8134] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.257034][ T8137] chnl_net:caif_netlink_parms(): no params data found [ 65.269744][ T8131] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.322309][ T8131] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.415372][ T8134] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 65.425494][ T8144] IPVS: ftp: loaded support on port[0] = 21 [ 65.480833][ T8134] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 65.512038][ T8134] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 65.574249][ T8134] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.640377][ T8142] IPVS: ftp: loaded support on port[0] = 21 [ 65.691871][ T8137] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.699305][ T8137] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.707075][ T8137] device bridge_slave_0 entered promiscuous mode [ 65.715556][ T8137] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.722757][ T8137] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.731048][ T8137] device bridge_slave_1 entered promiscuous mode [ 65.768435][ T8137] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.789503][ T8131] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.814260][ T8137] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.868333][ T8137] team0: Port device team_slave_0 added [ 65.893277][ T8145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.901865][ T8145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.912181][ T8139] chnl_net:caif_netlink_parms(): no params data found [ 65.923616][ T8131] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.933101][ T8137] team0: Port device team_slave_1 added [ 65.942536][ T8134] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.959705][ T8145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.968280][ T8145] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.979532][ T8145] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.986641][ T8145] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.995541][ T8145] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.071656][ T8137] device hsr_slave_0 entered promiscuous mode [ 66.129131][ T8137] device hsr_slave_1 entered promiscuous mode [ 66.168833][ T8137] debugfs: Directory 'hsr0' with parent '/' already present! [ 66.184331][ T8134] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.221680][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.230881][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.239717][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.247271][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.255027][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.263871][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.272279][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.326959][ T8139] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.334347][ T8139] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.342614][ T8139] device bridge_slave_0 entered promiscuous mode [ 66.350725][ T8139] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.357988][ T8139] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.366296][ T8139] device bridge_slave_1 entered promiscuous mode [ 66.374437][ T3407] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.384234][ T3407] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.393024][ T3407] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.401725][ T3407] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.442747][ T3407] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.452335][ T3407] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.461661][ T3407] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.469014][ T3407] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.476888][ T3407] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.485731][ T3407] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.494694][ T3407] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.504641][ T8142] chnl_net:caif_netlink_parms(): no params data found [ 66.518423][ T8139] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.536872][ T8131] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.548516][ T8131] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.563967][ T8137] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.611456][ T8137] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.640988][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.650266][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.659193][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.669042][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.678508][ T2990] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.685862][ T2990] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.693966][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.702898][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.712883][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.724635][ T8139] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.751503][ T8137] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.790712][ T8137] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.871535][ T8144] chnl_net:caif_netlink_parms(): no params data found [ 66.881697][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.890450][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.899314][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.906892][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.935644][ T8131] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.958147][ T8139] team0: Port device team_slave_0 added [ 66.970358][ T8139] team0: Port device team_slave_1 added [ 66.995947][ T8142] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.003219][ T8142] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.011569][ T8142] device bridge_slave_0 entered promiscuous mode [ 67.020764][ T8142] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.028008][ T8142] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.035811][ T8142] device bridge_slave_1 entered promiscuous mode [ 67.046663][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.061047][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.071363][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.081146][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.091511][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.141425][ T8139] device hsr_slave_0 entered promiscuous mode [ 67.169504][ T8139] device hsr_slave_1 entered promiscuous mode [ 67.218867][ T8139] debugfs: Directory 'hsr0' with parent '/' already present! [ 67.274274][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.289300][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.297943][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.306963][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.323308][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.353981][ T8134] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.368750][ T8144] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.376780][ T8144] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.390936][ T8144] device bridge_slave_0 entered promiscuous mode [ 67.437747][ T8137] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.465885][ T8137] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.507053][ T8137] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.523937][ T8137] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.559875][ T8137] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 172.568609][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 172.575403][ C0] rcu: 0-...!: (1 GPs behind) idle=11a/1/0x4000000000000002 softirq=11505/11514 fqs=24 [ 172.585356][ C0] (t=10500 jiffies g=6949 q=587) [ 172.590371][ C0] rcu: rcu_preempt kthread starved for 10450 jiffies! g6949 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 172.601449][ C0] rcu: RCU grace-period kthread stack dump: [ 172.607323][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 172.615210][ C0] Call Trace: [ 172.618496][ C0] __schedule+0x9a0/0xcc0 [ 172.622823][ C0] schedule+0x181/0x210 [ 172.626987][ C0] schedule_timeout+0x14f/0x240 [ 172.631828][ C0] ? run_local_timers+0x120/0x120 [ 172.636843][ C0] rcu_gp_kthread+0xed8/0x1770 [ 172.641601][ C0] kthread+0x332/0x350 [ 172.645655][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 172.650755][ C0] ? kthread_blkcg+0xe0/0xe0 [ 172.655330][ C0] ret_from_fork+0x24/0x30 [ 172.659747][ C0] NMI backtrace for cpu 0 [ 172.664064][ C0] CPU: 0 PID: 4415 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 172.671498][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.681538][ C0] Call Trace: [ 172.684808][ C0] [ 172.687650][ C0] dump_stack+0x1fb/0x318 [ 172.691969][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 172.696807][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 172.702948][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 172.709001][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 172.714971][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 172.720848][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 172.725953][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 172.731145][ C0] ? trace_hardirqs_off+0x74/0x80 [ 172.736158][ C0] update_process_times+0x12d/0x180 [ 172.741373][ C0] tick_sched_timer+0x263/0x420 [ 172.746227][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 172.751788][ C0] __hrtimer_run_queues+0x403/0x840 [ 172.756993][ C0] hrtimer_interrupt+0x38c/0xda0 [ 172.761938][ C0] ? debug_smp_processor_id+0x9/0x20 [ 172.767213][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 172.772749][ C0] apic_timer_interrupt+0xf/0x20 [ 172.777666][ C0] [ 172.780595][ C0] RIP: 0010:free_thread_stack+0x16d/0x590 [ 172.786313][ C0] Code: c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 25 a0 69 00 48 8b 3b be fc ff ff ff e8 28 04 00 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 09 a0 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 172.805905][ C0] RSP: 0018:ffffc90002607b10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 172.814303][ C0] RAX: ffffffff81487433 RBX: ffff88806bc7be08 RCX: ffff888093f2c200 [ 172.822263][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0001af2000 [ 172.830219][ C0] RBP: ffffc90002607b48 R08: 000000000003a728 R09: ffffed1012029f1f [ 172.838176][ C0] R10: ffffed1012029f1f R11: 0000000000000000 R12: ffff88806bc7bea0 [ 172.846138][ C0] R13: dffffc0000000000 R14: 1ffff1100d78f7d4 R15: ffff88809014f8e8 [ 172.854108][ C0] ? mod_memcg_page_state+0x123/0x190 [ 172.859479][ C0] put_task_stack+0xa3/0x130 [ 172.864057][ C0] finish_task_switch+0x3f1/0x550 [ 172.869083][ C0] __schedule+0x9a8/0xcc0 [ 172.873430][ C0] schedule+0x181/0x210 [ 172.877575][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 172.883634][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 172.889434][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 172.894818][ C0] ep_poll+0xa4d/0xe80 [ 172.898903][ C0] ? do_task_dead+0xc0/0xc0 [ 172.903405][ C0] ? __kasan_check_read+0x11/0x20 [ 172.908422][ C0] do_epoll_wait+0x1ee/0x260 [ 172.913020][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 172.918061][ C0] do_syscall_64+0xf7/0x1c0 [ 172.922554][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.928429][ C0] RIP: 0033:0x7f2a59ece943 [ 172.932857][ C0] 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 [ 172.952457][ C0] RSP: 002b:00007ffca0a80338 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 172.960856][ C0] RAX: ffffffffffffffda RBX: 0000000000f48250 RCX: 00007f2a59ece943 [ 172.968813][ C0] RDX: 0000000000000004 RSI: 00007ffca0a80400 RDI: 0000000000000007 [ 172.976768][ C0] RBP: 0000000000625500 R08: 00007ffca0a80320 R09: 00007ffca0b490b8 [ 172.984726][ C0] R10: 000000000000ee37 R11: 0000000000000246 R12: 0000000000f57fd0 [ 172.992684][ C0] R13: 00007ffca0a81457 R14: 0000000000000005 R15: 0000000000f48250