[ 42.931538][ T26] audit: type=1800 audit(1575334910.758:26): pid=8007 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.967341][ T26] audit: type=1800 audit(1575334910.768:27): pid=8007 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.986890][ T26] audit: type=1800 audit(1575334910.768:28): pid=8007 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. [ 43.656405][ T26] audit: type=1800 audit(1575334911.508:29): pid=8007 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 '10.128.0.131' (ECDSA) to the list of known hosts. 2019/12/03 01:02:02 fuzzer started 2019/12/03 01:02:03 dialing manager at 10.128.0.26:38907 2019/12/03 01:02:03 syscalls: 2697 2019/12/03 01:02:03 code coverage: enabled 2019/12/03 01:02:03 comparison tracing: enabled 2019/12/03 01:02:03 extra coverage: extra coverage is not supported by the kernel 2019/12/03 01:02:03 setuid sandbox: enabled 2019/12/03 01:02:03 namespace sandbox: enabled 2019/12/03 01:02:03 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 01:02:03 fault injection: enabled 2019/12/03 01:02:03 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 01:02:03 net packet injection: enabled 2019/12/03 01:02:03 net device setup: enabled 2019/12/03 01:02:03 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 01:02:03 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:02:04 executing program 0: r0 = io_uring_setup(0xb55, &(0x7f0000000100)={0x0, 0x0, 0x3}) io_uring_enter(r0, 0x0, 0x0, 0x3, 0x0, 0x0) 01:02:04 executing program 1: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000280)='/dev/autofs\x00', 0x0, 0x0) ioctl(r0, 0x8000000000009374, &(0x7f0000000080)="0100000000000000180100000500000300000000000000002f") syzkaller login: [ 56.748485][ T8173] IPVS: ftp: loaded support on port[0] = 21 01:02:04 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0800b5055e0bcfe87b0071") r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000040)={0x26, 'hash\x00', 0x0, 0x0, 'crc32c-generic\x00'}, 0x58) r2 = accept$alg(r1, 0x0, 0x0) sendmsg$alg(r2, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001380)=[{&(0x7f00000000c0)="41c7c5d05c8faa", 0x7}, {&(0x7f0000000180)="e1ae94a87ab1274c96c5e83a87529d01626b641c953511c4a53f4eb5cb188ce79c0a9895970828f1d0fd60b6951ffafd922827aec8abee25caa9d9a27244c3e8eb5c34dc610bba3fe6180b067193ae1920090801cbf57fe8455985828931b2d7f03912ea3f02b65adc3510155867b1fae39261b62f00537ea0cfdc79245a33d907413c93fed353108bf28c5317b5b37be461ac77453633d11c46ad93e8031143c74432cb0c462bc6e7", 0xa9}, {&(0x7f0000000280)="f41ae997e58bc4d513fb550ca67480944d9055d2c736790b80e1c77501bf3bdc6a2e31f57dbd4a2e4907a92ddb67cc756cf0763f5f1015d895026834eec364e5e1214257925ba7da349f81423361aab7a8aaf786360a34dfcb879942f92481af2dc709b04f", 0x65}, {&(0x7f0000000380)="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", 0x100}], 0x4}, 0x0) [ 56.875984][ T8175] IPVS: ftp: loaded support on port[0] = 21 [ 56.961550][ T8173] chnl_net:caif_netlink_parms(): no params data found [ 57.037200][ T8178] IPVS: ftp: loaded support on port[0] = 21 [ 57.044946][ T8173] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.056015][ T8173] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.064184][ T8173] device bridge_slave_0 entered promiscuous mode [ 57.102723][ T8173] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.110660][ T8173] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.118596][ T8173] device bridge_slave_1 entered promiscuous mode [ 57.143586][ T8173] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.165283][ T8173] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.174700][ T8175] chnl_net:caif_netlink_parms(): no params data found [ 57.230689][ T8173] team0: Port device team_slave_0 added [ 57.260777][ T8173] team0: Port device team_slave_1 added [ 57.268833][ T8175] bridge0: port 1(bridge_slave_0) entered blocking state 01:02:05 executing program 3: mkdir(&(0x7f0000000240)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='hugetlbfs\x00', 0x0, 0x0) mount$bpf(0x0, &(0x7f0000000040)='./file0\x00', 0x0, 0x6021, &(0x7f00000002c0)={[], [{@uid_eq={'uid'}}]}) [ 57.276615][ T8175] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.285636][ T8175] device bridge_slave_0 entered promiscuous mode [ 57.324212][ T8175] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.333314][ T8175] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.342503][ T8175] device bridge_slave_1 entered promiscuous mode [ 57.423128][ T8173] device hsr_slave_0 entered promiscuous mode [ 57.460761][ T8173] device hsr_slave_1 entered promiscuous mode 01:02:05 executing program 4: mbind(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x8003, 0x0, 0x0, 0x0) [ 57.556130][ T8182] IPVS: ftp: loaded support on port[0] = 21 [ 57.597174][ T8178] chnl_net:caif_netlink_parms(): no params data found [ 57.615148][ T8175] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.631735][ T8175] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.714294][ T8173] netdevsim netdevsim0 netdevsim0: renamed from eth0 01:02:05 executing program 5: socketpair$unix(0x1, 0x0, 0x0, &(0x7f00000001c0)) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)) socketpair$unix(0x1, 0x2, 0x0, 0x0) r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 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) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ptmx\x00', 0x80000000000a01, 0x0) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f00000013c0)={0x0, 0x0, 0x0}, 0x0) write$binfmt_aout(r1, &(0x7f00000000c0)=ANY=[], 0xffffff78) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000200)) r2 = syz_open_pts(r1, 0x0) readv(r2, &(0x7f0000000400)=[{&(0x7f0000000440)=""/165, 0x10}, {&(0x7f0000000280)=""/243}, {&(0x7f00000001c0)=""/20}, {&(0x7f0000000380)=""/124}], 0x2c0) [ 57.791449][ T8175] team0: Port device team_slave_0 added [ 57.803196][ T8175] team0: Port device team_slave_1 added [ 57.818276][ T8184] IPVS: ftp: loaded support on port[0] = 21 [ 57.825450][ T8173] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.881736][ T8173] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.923884][ T8173] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.982774][ T8178] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.990033][ T8178] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.997629][ T8178] device bridge_slave_0 entered promiscuous mode [ 58.005921][ T8178] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.013613][ T8178] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.021433][ T8178] device bridge_slave_1 entered promiscuous mode [ 58.064852][ T8178] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.093086][ T8178] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.112989][ T8186] IPVS: ftp: loaded support on port[0] = 21 [ 58.172423][ T8175] device hsr_slave_0 entered promiscuous mode [ 58.230018][ T8175] device hsr_slave_1 entered promiscuous mode [ 58.269758][ T8175] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.299476][ T8178] team0: Port device team_slave_0 added [ 58.308062][ T8178] team0: Port device team_slave_1 added [ 58.384446][ T8175] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.511714][ T8178] device hsr_slave_0 entered promiscuous mode [ 58.569921][ T8178] device hsr_slave_1 entered promiscuous mode [ 58.609691][ T8178] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.617489][ T8175] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.683113][ T8175] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.797491][ T8173] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.810482][ T8182] chnl_net:caif_netlink_parms(): no params data found [ 58.819380][ T8175] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.873518][ T8184] chnl_net:caif_netlink_parms(): no params data found [ 58.930867][ T8173] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.952275][ T1100] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.961603][ T1100] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.986250][ T8184] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.995319][ T8184] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.003160][ T8184] device bridge_slave_0 entered promiscuous mode [ 59.012094][ T8178] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.053599][ T8178] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.111717][ T8182] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.118846][ T8182] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.126723][ T8182] device bridge_slave_0 entered promiscuous mode [ 59.134549][ T8184] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.142667][ T8184] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.150585][ T8184] device bridge_slave_1 entered promiscuous mode [ 59.169296][ T8184] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.184403][ T8178] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.251804][ T8178] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.292261][ T8182] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.299362][ T8182] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.307777][ T8182] device bridge_slave_1 entered promiscuous mode [ 59.315959][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.324783][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.333640][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.340819][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.350696][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.372070][ T8184] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.407107][ T8175] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.437026][ T8182] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.448066][ T8187] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.457123][ T8187] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.465619][ T8187] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.472842][ T8187] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.511879][ T8182] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.528741][ T1100] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.538247][ T1100] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.547268][ T1100] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.555956][ T1100] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.564238][ T1100] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.573195][ T1100] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.581742][ T1100] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.590328][ T1100] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.598535][ T1100] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.607218][ T1100] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.615959][ T1100] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.628320][ T8184] team0: Port device team_slave_0 added [ 59.635568][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.652947][ T8182] team0: Port device team_slave_0 added [ 59.661127][ T8186] chnl_net:caif_netlink_parms(): no params data found [ 59.673287][ T8184] team0: Port device team_slave_1 added [ 59.691092][ T8182] team0: Port device team_slave_1 added [ 59.714061][ T8175] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.737688][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.745656][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.753782][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.761539][ T3190] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.823641][ T8184] device hsr_slave_0 entered promiscuous mode [ 59.890086][ T8184] device hsr_slave_1 entered promiscuous mode [ 59.949672][ T8184] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.002546][ T8182] device hsr_slave_0 entered promiscuous mode [ 60.059998][ T8182] device hsr_slave_1 entered promiscuous mode [ 60.099647][ T8182] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.115181][ T8173] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.124661][ T8187] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.133394][ T8187] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.141844][ T8187] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.148870][ T8187] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.156603][ T8187] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.165495][ T8187] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.174362][ T8187] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.181458][ T8187] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.194039][ T8187] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.235811][ T8184] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.282504][ T8184] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.331802][ T8186] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.338874][ T8186] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.347480][ T8186] device bridge_slave_0 entered promiscuous mode [ 60.355148][ T1100] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.384725][ T8182] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.423864][ T8184] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.494100][ T8186] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.501891][ T8186] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.509449][ T8186] device bridge_slave_1 entered promiscuous mode [ 60.516856][ T8187] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.542532][ T8182] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.584821][ T8182] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 165.609486][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.616259][ C1] rcu: 1-...!: (10499 ticks this GP) idle=466/1/0x4000000000000002 softirq=11041/11041 fqs=149 [ 165.627003][ C1] (t=10501 jiffies g=6209 q=97) [ 165.632242][ C1] rcu: rcu_preempt kthread starved for 10204 jiffies! g6209 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 165.643333][ C1] rcu: RCU grace-period kthread stack dump: [ 165.649236][ C1] rcu_preempt R running task 29104 10 2 0x80004000 [ 165.657151][ C1] Call Trace: [ 165.660459][ C1] __schedule+0x9a0/0xcc0 [ 165.664791][ C1] schedule+0x181/0x210 [ 165.668964][ C1] schedule_timeout+0x14f/0x240 [ 165.673814][ C1] ? run_local_timers+0x120/0x120 [ 165.678832][ C1] rcu_gp_kthread+0xed8/0x1770 [ 165.683596][ C1] kthread+0x332/0x350 [ 165.687653][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 165.692751][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.697330][ C1] ret_from_fork+0x24/0x30 [ 165.701747][ C1] NMI backtrace for cpu 1 [ 165.706063][ C1] CPU: 1 PID: 8200 Comm: io_wqe_worker-0 Not tainted 5.4.0-syzkaller #0 [ 165.714367][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.724412][ C1] Call Trace: [ 165.727681][ C1] [ 165.730520][ C1] dump_stack+0x1fb/0x318 [ 165.734837][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.739671][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.746851][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.752903][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.758868][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.764746][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.769847][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.775034][ C1] ? trace_hardirqs_off+0x74/0x80 [ 165.780044][ C1] update_process_times+0x12d/0x180 [ 165.785253][ C1] tick_sched_timer+0x263/0x420 [ 165.790087][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.795620][ C1] __hrtimer_run_queues+0x403/0x840 [ 165.800825][ C1] hrtimer_interrupt+0x38c/0xda0 [ 165.805773][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.811049][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.816583][ C1] apic_timer_interrupt+0xf/0x20 [ 165.821588][ C1] [ 165.824518][ C1] RIP: 0010:free_thread_stack+0x186/0x590 [ 165.830222][ C1] Code: 8b 3b be fc ff ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 09 a4 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 eb a3 69 00 48 8b 1b e9 82 ff ff [ 165.849811][ C1] RSP: 0018:ffffc900025f7c00 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13 [ 165.858204][ C1] RAX: 1ffff11012768bb1 RBX: ffff888093b45d88 RCX: ffff88821b26a040 [ 165.866171][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00023e4e00 [ 165.874127][ C1] RBP: ffffc900025f7c38 R08: 000000000003a768 R09: fffffbfff120248a [ 165.882093][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff888093b45e20 [ 165.890053][ C1] R13: dffffc0000000000 R14: 1ffff11012768bc4 R15: ffff8880a8bf7528 [ 165.898037][ C1] put_task_stack+0xa3/0x130 [ 165.902615][ C1] finish_task_switch+0x3f1/0x550 [ 165.907630][ C1] __schedule+0x9a8/0xcc0 [ 165.911957][ C1] schedule+0x181/0x210 [ 165.916099][ C1] schedule_timeout+0x14f/0x240 [ 165.920937][ C1] ? run_local_timers+0x120/0x120 [ 165.925952][ C1] io_wqe_worker+0x62e/0x8b0 [ 165.930539][ C1] ? init_wait_entry+0xe0/0xe0 [ 165.935290][ C1] kthread+0x332/0x350 [ 165.939347][ C1] ? create_io_worker+0x640/0x640 [ 165.944378][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.948956][ C1] ret_from_fork+0x24/0x30