[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 47.385464][ T25] audit: type=1800 audit(1575405556.654:25): pid=8156 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 47.404344][ T25] audit: type=1800 audit(1575405556.654:26): pid=8156 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.447818][ T25] audit: type=1800 audit(1575405556.654:27): pid=8156 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 '10.128.0.112' (ECDSA) to the list of known hosts. 2019/12/03 20:39:28 fuzzer started 2019/12/03 20:39:30 dialing manager at 10.128.0.26:42111 2019/12/03 20:39:30 syscalls: 2689 2019/12/03 20:39:30 code coverage: enabled 2019/12/03 20:39:30 comparison tracing: enabled 2019/12/03 20:39:30 extra coverage: extra coverage is not supported by the kernel 2019/12/03 20:39:30 setuid sandbox: enabled 2019/12/03 20:39:30 namespace sandbox: enabled 2019/12/03 20:39:30 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 20:39:30 fault injection: enabled 2019/12/03 20:39:30 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 20:39:30 net packet injection: enabled 2019/12/03 20:39:30 net device setup: enabled 2019/12/03 20:39:30 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 20:39:30 devlink PCI setup: PCI device 0000:00:10.0 is not available 20:39:31 executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0xb, 0x44031, 0xffffffffffffffff, 0x0) futex(0x0, 0x85, 0x0, &(0x7f0000000040), &(0x7f00000000c0), 0x0) 20:39:31 executing program 1: r0 = memfd_create(&(0x7f0000000000), 0x0) ftruncate(r0, 0x800799c) mmap(&(0x7f0000200000/0x400000)=nil, 0x400000, 0x0, 0x2011, r0, 0x0) ftruncate(r0, 0x0) syzkaller login: [ 62.035578][ T8323] IPVS: ftp: loaded support on port[0] = 21 [ 62.146551][ T8323] chnl_net:caif_netlink_parms(): no params data found [ 62.191219][ T8323] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.201021][ T8323] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.209329][ T8323] device bridge_slave_0 entered promiscuous mode [ 62.220221][ T8323] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.227334][ T8323] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.235695][ T8323] device bridge_slave_1 entered promiscuous mode [ 62.259788][ T8323] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.271061][ T8323] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.302025][ T8323] team0: Port device team_slave_0 added [ 62.312946][ T8326] IPVS: ftp: loaded support on port[0] = 21 [ 62.319422][ T8323] team0: Port device team_slave_1 added 20:39:31 executing program 2: clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) bpf$MAP_CREATE(0x0, &(0x7f0000733000)={0x14, 0x4, 0x4, 0x9, 0x0, 0xffffffffffffffff, 0x0, [], 0x0, 0xffffffffffffffff, 0x1}, 0x3c) [ 62.401757][ T8323] device hsr_slave_0 entered promiscuous mode [ 62.498476][ T8323] device hsr_slave_1 entered promiscuous mode 20:39:31 executing program 3: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x7, 0x31, 0xffffffffffffffff, 0x0) mbind(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x8003, &(0x7f0000000000)=0x3, 0x8, 0x0) mlock(&(0x7f0000d09000/0x3000)=nil, 0x3000) mbind(&(0x7f0000012000/0xc00000)=nil, 0xc00000, 0x4, 0x0, 0x0, 0x0) [ 62.613441][ T8328] IPVS: ftp: loaded support on port[0] = 21 20:39:32 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000040)) ioctl$TCSETS(r0, 0x5402, &(0x7f0000000200)={0xffff45d9, 0x0, 0x0, 0x23ff}) r1 = syz_open_pts(r0, 0x0) ioctl$TCSETSF(r1, 0x5412, &(0x7f0000000000)) [ 62.797008][ T8323] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.862320][ T8326] chnl_net:caif_netlink_parms(): no params data found [ 62.890639][ T8323] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.917389][ T8331] IPVS: ftp: loaded support on port[0] = 21 [ 62.992006][ T8323] netdevsim netdevsim0 netdevsim2: renamed from eth2 20:39:32 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=ANY=[@ANYBLOB="1c0000002f00ff0300000000000000000e3f00000400030014000000"], 0x1c}}, 0x0) [ 63.084942][ T8333] IPVS: ftp: loaded support on port[0] = 21 [ 63.092811][ T8323] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.240846][ T8328] chnl_net:caif_netlink_parms(): no params data found [ 63.280998][ T8328] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.288438][ T8328] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.296242][ T8328] device bridge_slave_0 entered promiscuous mode [ 63.313649][ T8336] IPVS: ftp: loaded support on port[0] = 21 [ 63.320451][ T8326] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.327541][ T8326] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.338080][ T8326] device bridge_slave_0 entered promiscuous mode [ 63.347019][ T8326] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.356487][ T8326] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.364596][ T8326] device bridge_slave_1 entered promiscuous mode [ 63.371873][ T8328] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.379083][ T8328] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.386918][ T8328] device bridge_slave_1 entered promiscuous mode [ 63.407577][ T8328] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.431282][ T8328] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.462317][ T8326] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.486383][ T8328] team0: Port device team_slave_0 added [ 63.495982][ T8328] team0: Port device team_slave_1 added [ 63.513241][ T8326] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.570877][ T8328] device hsr_slave_0 entered promiscuous mode [ 63.608499][ T8328] device hsr_slave_1 entered promiscuous mode [ 63.648148][ T8328] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.665349][ T8326] team0: Port device team_slave_0 added [ 63.678818][ T8326] team0: Port device team_slave_1 added [ 63.759907][ T8326] device hsr_slave_0 entered promiscuous mode [ 63.808469][ T8326] device hsr_slave_1 entered promiscuous mode [ 63.868066][ T8326] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.938450][ T8328] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 63.981394][ T8328] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 64.063097][ T8323] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.070774][ T8331] chnl_net:caif_netlink_parms(): no params data found [ 64.080395][ T8328] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 64.120825][ T8328] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 64.197184][ T8336] chnl_net:caif_netlink_parms(): no params data found [ 64.268486][ T8333] chnl_net:caif_netlink_parms(): no params data found [ 64.293641][ T8331] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.304785][ T8331] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.312629][ T8331] device bridge_slave_0 entered promiscuous mode [ 64.321118][ T8331] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.328632][ T8331] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.336359][ T8331] device bridge_slave_1 entered promiscuous mode [ 64.343675][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.352908][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.369966][ T8323] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.389822][ T8326] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.458681][ T8336] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.465809][ T8336] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.474789][ T8336] device bridge_slave_0 entered promiscuous mode [ 64.482489][ T8326] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 64.519421][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.528784][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.537097][ T3092] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.544282][ T3092] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.552372][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.561131][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.569689][ T3092] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.576716][ T3092] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.584336][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.596013][ T8331] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.607592][ T8336] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.616700][ T8336] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.624915][ T8336] device bridge_slave_1 entered promiscuous mode [ 64.631746][ T8326] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 64.689658][ T8326] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 64.753889][ T8341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.768213][ T8331] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.781791][ T8341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.790606][ T8341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.799294][ T8341] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.807634][ T8341] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.835354][ T8336] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.867172][ T8323] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.882106][ T8323] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.893888][ T8333] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.901625][ T8333] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.910169][ T8333] device bridge_slave_0 entered promiscuous mode [ 64.918568][ T8336] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.932172][ T8331] team0: Port device team_slave_0 added [ 64.941830][ T8341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.951491][ T8341] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.960177][ T8341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.968804][ T8341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.977460][ T8341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.985956][ T8341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.995157][ T8341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.006190][ T8333] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.013826][ T8333] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.021568][ T8333] device bridge_slave_1 entered promiscuous mode [ 65.037524][ T8328] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.046953][ T8331] team0: Port device team_slave_1 added [ 65.081019][ T8328] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.089524][ T8336] team0: Port device team_slave_0 added [ 65.105851][ T8336] team0: Port device team_slave_1 added [ 65.113349][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.122145][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.129915][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.138891][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.147168][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.154261][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.162503][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.184839][ T8333] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.199097][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.207581][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.216381][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.223482][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.289941][ T8336] device hsr_slave_0 entered promiscuous mode [ 65.338439][ T8336] device hsr_slave_1 entered promiscuous mode [ 65.398331][ T8336] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.441075][ T8331] device hsr_slave_0 entered promiscuous mode [ 65.478294][ T8331] device hsr_slave_1 entered promiscuous mode [ 65.518049][ T8331] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.527217][ T8333] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.551900][ T8333] team0: Port device team_slave_0 added [ 65.564112][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.571624][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.604817][ T8341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.615646][ T8336] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 65.680067][ T8333] team0: Port device team_slave_1 added [ 65.685792][ T8336] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 65.722557][ T8336] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 65.790795][ T8336] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 65.834320][ T8323] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.858484][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.867393][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.877025][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.886065][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.895004][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.903407][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.911632][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.920056][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.963893][ T8328] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.975465][ T8328] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.010454][ T8333] device hsr_slave_0 entered promiscuous mode [ 66.049023][ T8333] device hsr_slave_1 entered promiscuous mode [ 66.088072][ T8333] debugfs: Directory 'hsr0' with parent '/' already present! [ 66.105389][ T8331] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 66.161876][ T8331] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 66.210715][ T8331] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 66.250627][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.259150][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 171.297893][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 171.304693][ C1] rcu: 1-...!: (10499 ticks this GP) idle=53a/1/0x4000000000000002 softirq=12052/12052 fqs=0 [ 171.315416][ C1] (t=10500 jiffies g=6721 q=98) [ 171.320374][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g6721 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 171.331481][ C1] rcu: RCU grace-period kthread stack dump: [ 171.337402][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 171.345335][ C1] Call Trace: [ 171.348650][ C1] __schedule+0x9a0/0xcc0 [ 171.353018][ C1] schedule+0x181/0x210 [ 171.357196][ C1] schedule_timeout+0x14f/0x240 [ 171.362063][ C1] ? run_local_timers+0x120/0x120 [ 171.367142][ C1] rcu_gp_kthread+0xed8/0x1770 [ 171.371949][ C1] kthread+0x332/0x350 [ 171.376020][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 171.381256][ C1] ? kthread_blkcg+0xe0/0xe0 [ 171.385849][ C1] ret_from_fork+0x24/0x30 [ 171.390280][ C1] NMI backtrace for cpu 1 [ 171.394602][ C1] CPU: 1 PID: 8344 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 171.402065][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.412139][ C1] Call Trace: [ 171.415423][ C1] [ 171.418279][ C1] dump_stack+0x1fb/0x318 [ 171.422610][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 171.427458][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 171.433606][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 171.439657][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 171.446058][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 171.452075][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 171.457215][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 171.462431][ C1] ? trace_hardirqs_off+0x74/0x80 [ 171.468336][ C1] update_process_times+0x12d/0x180 [ 171.473566][ C1] tick_sched_timer+0x263/0x420 [ 171.478556][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 171.484119][ C1] __hrtimer_run_queues+0x403/0x840 [ 171.489344][ C1] hrtimer_interrupt+0x38c/0xda0 [ 171.494301][ C1] ? debug_smp_processor_id+0x9/0x20 [ 171.499586][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 171.505123][ C1] apic_timer_interrupt+0xf/0x20 [ 171.511039][ C1] [ 171.514115][ C1] RIP: 0010:free_thread_stack+0x133/0x590 [ 171.519847][ C1] Code: 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 06 a2 60 00 e9 5d 04 00 00 e8 5c 2d 2e 00 48 89 df 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 43 a4 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 171.539456][ C1] RSP: 0000:ffffc90002c57d40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 171.547883][ C1] RAX: 0000000000000001 RBX: ffffea00024e3cc0 RCX: 0000000000000000 [ 171.555992][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00024e3cc0 [ 171.563992][ C1] RBP: ffffc90002c57d78 R08: dffffc0000000000 R09: fffffbfff12877ed [ 171.571966][ C1] R10: fffffbfff12877ed R11: 0000000000000000 R12: ffff888092b48020 [ 171.580086][ C1] R13: dffffc0000000000 R14: 1ffff11012569004 R15: ffff8880a78e7428 [ 171.588110][ C1] put_task_stack+0xa3/0x130 [ 171.592885][ C1] finish_task_switch+0x3f1/0x550 [ 171.597912][ C1] __schedule+0x9a8/0xcc0 [ 171.602270][ C1] schedule+0x181/0x210 [ 171.606580][ C1] prepare_exit_to_usermode+0x2d4/0x5b0 [ 171.612162][ C1] ret_from_intr+0x26/0x36 [ 171.616575][ C1] RIP: 0033:0x7f015e903317 [ 171.620994][ C1] Code: 24 30 48 8b 40 08 48 89 44 24 70 48 8b 86 f8 02 00 00 48 85 c0 0f 84 fc 04 00 00 8b 96 f0 02 00 00 8b 8e f4 02 00 00 44 21 c2 <48> 8b 14 d0 4c 89 e8 48 d3 e8 48 89 c1 83 e1 3f 48 89 d0 48 d3 e8 [ 171.640699][ C1] RSP: 002b:00007ffd57853af0 EFLAGS: 00010202 [ 171.646787][ C1] RAX: 00007f015e1452c8 RBX: 00007f015eb11058 RCX: 000000000000000e [ 171.654788][ C1] RDX: 000000000000007f RSI: 00007f015eb12000 RDI: 0000000000401790 [ 171.662759][ C1] RBP: 0000000000000003 R08: 0000000003f0b27f R09: 0000000000000005 [ 171.670860][ C1] R10: 0000000000000008 R11: 00007ffd57853b40 R12: 0000000000000007 [ 171.678829][ C1] R13: 00000000fc2c9fc5 R14: 0000000000000000 R15: 00007ffd57853cc8