[ 42.638472][ T23] audit: type=1800 audit(1575434847.306:29): pid=7966 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 '10.128.0.110' (ECDSA) to the list of known hosts. 2019/12/04 04:47:35 fuzzer started 2019/12/04 04:47:36 dialing manager at 10.128.0.26:42111 2019/12/04 04:47:36 syscalls: 2689 2019/12/04 04:47:36 code coverage: enabled 2019/12/04 04:47:36 comparison tracing: enabled 2019/12/04 04:47:36 extra coverage: extra coverage is not supported by the kernel 2019/12/04 04:47:36 setuid sandbox: enabled 2019/12/04 04:47:36 namespace sandbox: enabled 2019/12/04 04:47:36 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 04:47:36 fault injection: enabled 2019/12/04 04:47:36 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 04:47:36 net packet injection: enabled 2019/12/04 04:47:36 net device setup: enabled 2019/12/04 04:47:36 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 04:47:36 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:47:37 executing program 0: r0 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") r1 = socket(0x10, 0x3, 0x0) write(r1, &(0x7f0000000000)="2000000012005f0214f9f407000000000a020000000000000000000000002000", 0x20) recvmmsg(r1, &(0x7f0000002f00)=[{{0x0, 0x0, &(0x7f00000015c0)=[{&(0x7f0000000500)=""/4096, 0x1000}, {&(0x7f0000001500)=""/184, 0xad}], 0x2}}], 0x8, 0x0, 0x0) 04:47:37 executing program 1: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TIPC_CMD_RESET_LINK_STATS(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f0000001440)={0x0}}, 0x0) r2 = syz_genetlink_get_family_id$tipc2(&(0x7f00000000c0)='TIPCv2\x00') sendmsg$TIPC_NL_MON_SET(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000001780)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000008000000180004001400010062726f6164636173742d6c696e6b1100a34e3979703d7c80d0d10db004deb78cf4f98dc9597be2970b089cdc8c755c11e310d9d1761d97e75a582b8ba5e304e55710c7f34f741b99dcb3b28fc36895899d4a3430a385339c1730579b328e7fa8ac9dda0f5e97e7c78a214e021877f307e7dda45ea1a1777752210b619cccb8c0c3ced17720a5f8577fbb53a6236299e42f3da00562480b780d26ef2d2e6aed707c77b66ca83516175392d7242164e07c6359bd2793178221ea4f18a823d00275fc018678f430c1b42646a91e9935d88d088d3eb2aaff"], 0x2c}}, 0x0) syzkaller login: [ 53.247388][ T8131] IPVS: ftp: loaded support on port[0] = 21 [ 53.365720][ T8131] chnl_net:caif_netlink_parms(): no params data found [ 53.425407][ T8131] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.434693][ T8131] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.444017][ T8131] device bridge_slave_0 entered promiscuous mode [ 53.454356][ T8131] bridge0: port 2(bridge_slave_1) entered blocking state 04:47:38 executing program 2: bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0xc, 0x4, &(0x7f0000000040)=@framed={{0x18, 0x2}, [@call={0x85, 0x0, 0x0, 0x14}], {0x95, 0x0, 0x0, 0x7a00}}, &(0x7f00000000c0)='GPL\a', 0x4, 0xf54, &(0x7f000062b000)=""/4096, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 53.470014][ T8131] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.477946][ T8131] device bridge_slave_1 entered promiscuous mode [ 53.498952][ T8134] IPVS: ftp: loaded support on port[0] = 21 [ 53.537487][ T8131] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.562558][ T8131] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.614930][ T8131] team0: Port device team_slave_0 added [ 53.636127][ T8131] team0: Port device team_slave_1 added 04:47:38 executing program 3: syz_mount_image$minix(&(0x7f0000000140)='minix\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x6, &(0x7f0000000000)=[{&(0x7f00000001c0)="e297ad9a06000a00900403000056b8c96824", 0x12, 0x400}], 0x0, 0x0) [ 53.762423][ T8131] device hsr_slave_0 entered promiscuous mode [ 53.830153][ T8131] device hsr_slave_1 entered promiscuous mode [ 53.917346][ T8137] IPVS: ftp: loaded support on port[0] = 21 [ 53.953425][ T8134] chnl_net:caif_netlink_parms(): no params data found [ 53.961336][ T8139] IPVS: ftp: loaded support on port[0] = 21 04:47:38 executing program 4: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 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_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000200)={0x18, 0x33, 0x119, 0x0, 0x0, {0x2}, [@generic="ff"]}, 0x18}}, 0x0) [ 53.998546][ T8131] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.048920][ T8131] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.113112][ T8131] netdevsim netdevsim0 netdevsim2: renamed from eth2 04:47:38 executing program 5: creat(&(0x7f00000001c0)='./file0\x00', 0x0) r0 = open(&(0x7f0000000380)='./file0\x00', 0x0, 0x0) r1 = open$dir(&(0x7f0000000100)='./file0\x00', 0x8004002, 0x0) truncate(&(0x7f0000000240)='./file0\x00', 0x90002) ioctl$EXT4_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000040)=0x8e) r2 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setxattr$security_selinux(&(0x7f0000000000)='./file0\x00', &(0x7f0000000080)='security.selinux\x00', &(0x7f00000000c0)='system_u:object_r:crond_var_run_t:s0\x00', 0x25, 0x0) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) sendfile(r1, r1, 0x0, 0x8800000) [ 54.210362][ T8131] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.224390][ T8141] IPVS: ftp: loaded support on port[0] = 21 [ 54.279942][ T8134] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.287046][ T8134] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.300720][ T8134] device bridge_slave_0 entered promiscuous mode [ 54.309749][ T8134] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.316974][ T8134] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.324600][ T8134] device bridge_slave_1 entered promiscuous mode [ 54.344603][ T8134] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.369364][ T8134] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.417555][ T8143] IPVS: ftp: loaded support on port[0] = 21 [ 54.425272][ T8134] team0: Port device team_slave_0 added [ 54.451562][ T8139] chnl_net:caif_netlink_parms(): no params data found [ 54.461834][ T8134] team0: Port device team_slave_1 added [ 54.552420][ T8134] device hsr_slave_0 entered promiscuous mode [ 54.591080][ T8134] device hsr_slave_1 entered promiscuous mode [ 54.650066][ T8134] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.715512][ T8137] chnl_net:caif_netlink_parms(): no params data found [ 54.762486][ T8139] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.769623][ T8139] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.777307][ T8139] device bridge_slave_0 entered promiscuous mode [ 54.786389][ T8139] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.793599][ T8139] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.801389][ T8139] device bridge_slave_1 entered promiscuous mode [ 54.817707][ T8134] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 54.884646][ T8134] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 54.934170][ T8134] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 54.999319][ T8137] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.006817][ T8137] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.014765][ T8137] device bridge_slave_0 entered promiscuous mode [ 55.029009][ T8137] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.036226][ T8137] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.044100][ T8137] device bridge_slave_1 entered promiscuous mode [ 55.051966][ T8134] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 55.103140][ T8139] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.114792][ T8131] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.136081][ T8139] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.192644][ T8139] team0: Port device team_slave_0 added [ 55.202064][ T8139] team0: Port device team_slave_1 added [ 55.209390][ T8137] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.226114][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.235220][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.256695][ T8141] chnl_net:caif_netlink_parms(): no params data found [ 55.273529][ T8137] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.304340][ T8131] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.325071][ T8137] team0: Port device team_slave_0 added [ 55.359634][ T8141] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.370567][ T8141] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.378348][ T8141] device bridge_slave_0 entered promiscuous mode [ 55.387079][ T8141] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.394801][ T8141] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.403272][ T8141] device bridge_slave_1 entered promiscuous mode [ 55.462025][ T8139] device hsr_slave_0 entered promiscuous mode [ 55.510356][ T8139] device hsr_slave_1 entered promiscuous mode [ 55.550259][ T8139] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.561205][ T8137] team0: Port device team_slave_1 added [ 55.569581][ T8143] chnl_net:caif_netlink_parms(): no params data found [ 55.585262][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.594534][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.603329][ T2723] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.610655][ T2723] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.619150][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.648594][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.662905][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.671576][ T47] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.678630][ T47] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.703242][ T8141] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.713831][ T8139] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 55.762002][ T8139] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 55.825459][ T8139] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 55.885396][ T8139] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 55.948288][ T8141] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.002811][ T8137] device hsr_slave_0 entered promiscuous mode [ 56.040273][ T8137] device hsr_slave_1 entered promiscuous mode [ 56.079905][ T8137] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.104215][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.118040][ T8141] team0: Port device team_slave_0 added [ 56.137185][ T8143] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.144516][ T8143] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.152992][ T8143] device bridge_slave_0 entered promiscuous mode [ 56.166562][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.176928][ T8141] team0: Port device team_slave_1 added [ 56.187271][ T8143] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.195097][ T8143] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.203089][ T8143] device bridge_slave_1 entered promiscuous mode [ 56.232701][ T8134] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.244894][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.256622][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.265482][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.275185][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.283717][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.319016][ T8137] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 56.373668][ T8143] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.384998][ T8143] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.423616][ T8141] device hsr_slave_0 entered promiscuous mode [ 56.460331][ T8141] device hsr_slave_1 entered promiscuous mode [ 56.500005][ T8141] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.512645][ T8137] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 56.552781][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.561200][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.573882][ T8134] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.595847][ T8143] team0: Port device team_slave_0 added [ 56.604186][ T8137] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 56.662313][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.671762][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.680391][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.688774][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.700985][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.712238][ T8143] team0: Port device team_slave_1 added [ 56.724959][ T8137] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 56.801456][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.813351][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.821760][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.828791][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.859252][ T8131] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.866793][ T8146] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.875104][ T8146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.886281][ T8146] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.895021][ T8146] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.902123][ T8146] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.911075][ T8146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.919522][ T8146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.928080][ T8146] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.935533][ T8146] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.965499][ T8139] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.981252][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.991034][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.999511][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.008787][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.026068][ T8141] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 57.081584][ T8141] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 57.135338][ T8141] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 57.186972][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.232671][ T8143] device hsr_slave_0 entered promiscuous mode [ 162.219777][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 162.226545][ C0] rcu: 0-...!: (10499 ticks this GP) idle=cd6/1/0x4000000000000002 softirq=11123/11123 fqs=40 [ 162.237176][ C0] (t=10500 jiffies g=6181 q=94) [ 162.242113][ C0] rcu: rcu_preempt kthread starved for 10417 jiffies! g6181 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 162.253208][ C0] rcu: RCU grace-period kthread stack dump: [ 162.259097][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 162.267001][ C0] Call Trace: [ 162.270298][ C0] __schedule+0x9a0/0xcc0 [ 162.274665][ C0] schedule+0x181/0x210 [ 162.278808][ C0] schedule_timeout+0x14f/0x240 [ 162.283646][ C0] ? run_local_timers+0x120/0x120 [ 162.288671][ C0] rcu_gp_kthread+0xed8/0x1770 [ 162.293437][ C0] kthread+0x332/0x350 [ 162.297491][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 162.302592][ C0] ? kthread_blkcg+0xe0/0xe0 [ 162.307348][ C0] ret_from_fork+0x24/0x30 [ 162.311770][ C0] NMI backtrace for cpu 0 [ 162.316103][ C0] CPU: 0 PID: 8102 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 162.323562][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 162.333610][ C0] Call Trace: [ 162.336884][ C0] [ 162.339741][ C0] dump_stack+0x1fb/0x318 [ 162.344071][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 162.348913][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 162.355144][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 162.361198][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 162.367169][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 162.373047][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 162.378147][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 162.383336][ C0] ? trace_hardirqs_off+0x74/0x80 [ 162.388348][ C0] update_process_times+0x12d/0x180 [ 162.393550][ C0] tick_sched_timer+0x263/0x420 [ 162.398392][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 162.403925][ C0] __hrtimer_run_queues+0x403/0x840 [ 162.409123][ C0] hrtimer_interrupt+0x38c/0xda0 [ 162.414065][ C0] ? debug_smp_processor_id+0x9/0x20 [ 162.419343][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 162.424878][ C0] apic_timer_interrupt+0xf/0x20 [ 162.429800][ C0] [ 162.432728][ C0] RIP: 0010:__memcg_kmem_uncharge+0xc/0x2e0 [ 162.438610][ 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 [ 162.458196][ C0] RSP: 0018:ffffc90001d67ae0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 162.466592][ C0] RAX: ffffffff81486ea4 RBX: ffffea0001b28140 RCX: ffff888094faa540 [ 162.474548][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0001b28140 [ 162.482505][ C0] RBP: ffffc90001d67b00 R08: 000000000003a768 R09: ffffed101492073f [ 162.490479][ C0] R10: ffffed101492073f R11: 0000000000000000 R12: ffff8880940bf420 [ 162.498447][ C0] R13: dffffc0000000000 R14: 1ffff11012817e84 R15: ffff8880a49039e8 [ 162.506428][ C0] ? free_thread_stack+0x124/0x590 [ 162.511538][ C0] free_thread_stack+0x12e/0x590 [ 162.516464][ C0] put_task_stack+0xa3/0x130 [ 162.521052][ C0] finish_task_switch+0x3f1/0x550 [ 162.526070][ C0] __schedule+0x9a8/0xcc0 [ 162.530395][ C0] schedule+0x181/0x210 [ 162.534537][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 162.540591][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 162.546385][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 162.551745][ C0] ep_poll+0xa4d/0xe80 [ 162.555807][ C0] ? do_task_dead+0xc0/0xc0 [ 162.560297][ C0] ? __kasan_check_read+0x11/0x20 [ 162.565306][ C0] do_epoll_wait+0x1ee/0x260 [ 162.569887][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 162.574988][ C0] do_syscall_64+0xf7/0x1c0 [ 162.579477][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 162.585352][ C0] RIP: 0033:0x7f0516282943 [ 162.589757][ 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 [ 162.609347][ C0] RSP: 002b:00007ffd75673828 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 162.617741][ C0] RAX: ffffffffffffffda RBX: 0000000001e93250 RCX: 00007f0516282943 [ 162.625718][ C0] RDX: 0000000000000004 RSI: 00007ffd756738f0 RDI: 0000000000000007 [ 162.633703][ C0] RBP: 0000000000625500 R08: 00007ffd75673810 R09: 00007ffd757820b8 [ 162.641680][ C0] R10: 000000000000ee41 R11: 0000000000000246 R12: 0000000001ea4eb0 [ 162.649654][ C0] R13: 00007ffd75674947 R14: 0000000000000005 R15: 0000000001e93250