[ 42.099122][ T23] audit: type=1800 audit(1575346709.856:27): pid=7988 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.118494][ T23] audit: type=1800 audit(1575346709.856:28): pid=7988 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. [ 42.832538][ T23] audit: type=1800 audit(1575346710.636:29): pid=7988 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 42.851851][ T23] audit: type=1800 audit(1575346710.636:30): pid=7988 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 '10.128.0.147' (ECDSA) to the list of known hosts. 2019/12/03 04:18:40 fuzzer started 2019/12/03 04:18:41 dialing manager at 10.128.0.26:38907 2019/12/03 04:18:41 syscalls: 2697 2019/12/03 04:18:41 code coverage: enabled 2019/12/03 04:18:41 comparison tracing: enabled 2019/12/03 04:18:41 extra coverage: extra coverage is not supported by the kernel 2019/12/03 04:18:41 setuid sandbox: enabled 2019/12/03 04:18:41 namespace sandbox: enabled 2019/12/03 04:18:41 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 04:18:41 fault injection: enabled 2019/12/03 04:18:41 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 04:18:41 net packet injection: enabled 2019/12/03 04:18:41 net device setup: enabled 2019/12/03 04:18:41 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 04:18:41 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:18:42 executing program 0: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x2001000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f00000000c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc-twofish-3way\x00'}, 0x58) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f0000000080)="ab553fec94248c32e27d04000000288a", 0x10) r2 = accept$alg(r1, 0x0, 0x0) sendmsg$alg(r2, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) recvmmsg(r2, &(0x7f0000004640)=[{{0x0, 0x0, &(0x7f0000000180)=[{&(0x7f00000007c0)=""/4096, 0x1000}], 0x1}}], 0x8, 0x0, 0x0) 04:18:43 executing program 1: r0 = socket$inet6(0xa, 0x8000000000001, 0x8010000000000084) bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r0, &(0x7f0000000200)={0xa, 0x4e21, 0x0, @loopback}, 0x60) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$netlink(0x10, 0x3, 0x4) writev(r3, &(0x7f0000000000)=[{&(0x7f0000000140)="480000001400190d09004beafd0d8c560a84470080ffe00600000001000000a2bc5603ca00000f7f89000000200000000101ff0000000309ff5bffff00c7e5ed5e00000000000000", 0x48}], 0x1) syzkaller login: [ 55.275469][ T8152] IPVS: ftp: loaded support on port[0] = 21 [ 55.367988][ T8154] IPVS: ftp: loaded support on port[0] = 21 04:18:43 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x23a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5f6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x57}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ttynull(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ttynull\x00', 0x0, 0x0) close(r0) [ 55.500305][ T8154] chnl_net:caif_netlink_parms(): no params data found [ 55.518844][ T8152] chnl_net:caif_netlink_parms(): no params data found [ 55.612403][ T8154] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.622969][ T8158] IPVS: ftp: loaded support on port[0] = 21 [ 55.633401][ T8154] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.643427][ T8154] device bridge_slave_0 entered promiscuous mode [ 55.659696][ T8154] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.676615][ T8154] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.684353][ T8154] device bridge_slave_1 entered promiscuous mode [ 55.697965][ T8152] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.705045][ T8152] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.715216][ T8152] device bridge_slave_0 entered promiscuous mode [ 55.750403][ T8152] bridge0: port 2(bridge_slave_1) entered blocking state 04:18:43 executing program 3: mkdir(&(0x7f00000000c0)='./file0\x00', 0x0) lsetxattr(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)=@known='system.posix_acl_default\x00', &(0x7f0000000180)='\x02\x00\x00\x00 \x00\x00\x00\x00\x00\x00\x00\x02\x00\xf3\x00\x00\x00\x00\x00', 0x14, 0x0) [ 55.759130][ T8152] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.769209][ T8152] device bridge_slave_1 entered promiscuous mode [ 55.791884][ T8154] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.820556][ T8152] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.833853][ T8154] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.862932][ T8152] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.925859][ T8154] team0: Port device team_slave_0 added [ 55.954917][ T8154] team0: Port device team_slave_1 added [ 55.966008][ T8152] team0: Port device team_slave_0 added [ 55.979897][ T8158] chnl_net:caif_netlink_parms(): no params data found [ 56.008193][ T8152] team0: Port device team_slave_1 added 04:18:43 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000000)=[{&(0x7f00000002c0)="580000001500add427323b470c45b45602067fffffff81004e22000d00ff0028925aa80020007b00090080000efffeffe809000000ff0000f03ac71082300000ffffffffffffffffffe7ee0000000000000000027197cbfa", 0x58}], 0x1) [ 56.068423][ T8161] IPVS: ftp: loaded support on port[0] = 21 [ 56.110930][ T8154] device hsr_slave_0 entered promiscuous mode [ 56.158637][ T8154] device hsr_slave_1 entered promiscuous mode 04:18:44 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000540)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb-des3_ede-asm\x00'}, 0x58) r1 = accept4(r0, 0x0, 0x0, 0x0) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000000)="ad56b6c5820fae9d564c90c600"/24, 0x18) r2 = socket$inet_udp(0x2, 0x2, 0x0) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) sendmsg$can_raw(r1, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000440)=@canfd={{}, 0x0, 0x0, 0x0, 0x0, "5c226e5d53c0214cb63e26fb7d2195e17d4073d440ca70868013dabfff82b4beed4f70c0005e5db27e9f3d21286a9f8bbdc2f4bf144dd88a31c39591946e77da"}, 0x48}}, 0x0) recvfrom$inet6(r1, &(0x7f0000001640)=""/32, 0x20001660, 0x0, &(0x7f0000001680)={0xa, 0x0, 0x0, @dev}, 0x709000) [ 56.250347][ T8152] device hsr_slave_0 entered promiscuous mode [ 56.307126][ T8152] device hsr_slave_1 entered promiscuous mode [ 56.346876][ T8152] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.391771][ T8163] IPVS: ftp: loaded support on port[0] = 21 [ 56.409915][ T8158] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.419211][ T8158] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.427018][ T8158] device bridge_slave_0 entered promiscuous mode [ 56.452694][ T8158] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.463068][ T8158] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.470785][ T8158] device bridge_slave_1 entered promiscuous mode [ 56.502161][ T8165] IPVS: ftp: loaded support on port[0] = 21 [ 56.510940][ T8154] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.577809][ T8152] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.619687][ T8158] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.631023][ T8158] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.642932][ T8154] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.679657][ T8154] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.762016][ T8152] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.807968][ T8152] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.860112][ T8152] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.911072][ T8154] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.968690][ T8158] team0: Port device team_slave_0 added [ 56.992636][ T8158] team0: Port device team_slave_1 added [ 57.066898][ T8161] chnl_net:caif_netlink_parms(): no params data found [ 57.159126][ T8158] device hsr_slave_0 entered promiscuous mode [ 57.226888][ T8158] device hsr_slave_1 entered promiscuous mode [ 57.266697][ T8158] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.313261][ T8161] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.322752][ T8161] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.330445][ T8161] device bridge_slave_0 entered promiscuous mode [ 57.369877][ T8161] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.377749][ T8161] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.385317][ T8161] device bridge_slave_1 entered promiscuous mode [ 57.392546][ T8163] chnl_net:caif_netlink_parms(): no params data found [ 57.430493][ T8158] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.490190][ T8165] chnl_net:caif_netlink_parms(): no params data found [ 57.514580][ T8161] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.524942][ T8158] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.571775][ T8158] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.619784][ T8158] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.693651][ T8152] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.705075][ T8161] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.739711][ T8152] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.746918][ T8163] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.754061][ T8163] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.762736][ T8163] device bridge_slave_0 entered promiscuous mode [ 57.770378][ T8163] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.777458][ T8163] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.785093][ T8163] device bridge_slave_1 entered promiscuous mode [ 57.805899][ T8165] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.813624][ T8165] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.821223][ T8165] device bridge_slave_0 entered promiscuous mode [ 57.829249][ T3198] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.837894][ T3198] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.869291][ T8161] team0: Port device team_slave_0 added [ 57.875101][ T8165] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.883324][ T8165] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.891063][ T8165] device bridge_slave_1 entered promiscuous mode [ 57.898021][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.906458][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.915029][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.922144][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.930228][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.939012][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.947487][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.954519][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.962082][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.973293][ T8163] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.002906][ T8161] team0: Port device team_slave_1 added [ 58.021228][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.029451][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.040889][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.049514][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.058915][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.067372][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.075546][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.083829][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.091915][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.100486][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.108717][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.117857][ T8163] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.132566][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.142918][ T8165] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.161002][ T8154] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.201507][ T8161] device hsr_slave_0 entered promiscuous mode [ 58.237592][ T8161] device hsr_slave_1 entered promiscuous mode [ 58.276720][ T8161] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.285384][ T8165] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.314871][ T8163] team0: Port device team_slave_0 added [ 58.322921][ T8163] team0: Port device team_slave_1 added [ 58.335390][ T8154] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.344893][ T8165] team0: Port device team_slave_0 added [ 58.357030][ T8152] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.377396][ T8166] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.385011][ T8166] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.393012][ T8166] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.400666][ T8166] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.415303][ T8158] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.429311][ T8165] team0: Port device team_slave_1 added [ 58.499554][ T8163] device hsr_slave_0 entered promiscuous mode [ 58.537189][ T8163] device hsr_slave_1 entered promiscuous mode [ 58.587759][ T8163] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.613888][ T8166] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.622556][ T8166] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.631737][ T8166] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.638991][ T8166] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.647208][ T8166] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.655662][ T8166] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.663980][ T8166] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.671055][ T8166] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.679330][ T8166] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.718290][ T8165] device hsr_slave_0 entered promiscuous mode [ 58.766981][ T8165] device hsr_slave_1 entered promiscuous mode [ 58.796586][ T8165] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.806703][ T8161] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.868644][ T8161] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 163.856483][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 163.863486][ C1] rcu: 1-...!: (1 GPs behind) idle=5ba/1/0x4000000000000002 softirq=10701/10702 fqs=39 [ 163.873737][ C1] (t=10501 jiffies g=5893 q=183) [ 163.878857][ C1] rcu: rcu_preempt kthread starved for 10424 jiffies! g5893 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 163.890172][ C1] rcu: RCU grace-period kthread stack dump: [ 163.897101][ C1] rcu_preempt R running task 29104 10 2 0x80004000 [ 163.904999][ C1] Call Trace: [ 163.908299][ C1] __schedule+0x9a0/0xcc0 [ 163.912635][ C1] schedule+0x181/0x210 [ 163.916788][ C1] schedule_timeout+0x14f/0x240 [ 163.921640][ C1] ? run_local_timers+0x120/0x120 [ 163.926669][ C1] rcu_gp_kthread+0xed8/0x1770 [ 163.931439][ C1] kthread+0x332/0x350 [ 163.935507][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 163.940616][ C1] ? kthread_blkcg+0xe0/0xe0 [ 163.945206][ C1] ret_from_fork+0x24/0x30 [ 163.949633][ C1] NMI backtrace for cpu 1 [ 163.953964][ C1] CPU: 1 PID: 7820 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 163.961408][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.971452][ C1] Call Trace: [ 163.974922][ C1] [ 163.977942][ C1] dump_stack+0x1fb/0x318 [ 163.982276][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 163.987203][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 163.993496][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 163.999557][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 164.005694][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.011568][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 164.016662][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 164.021849][ C1] ? trace_hardirqs_off+0x74/0x80 [ 164.026858][ C1] update_process_times+0x12d/0x180 [ 164.032045][ C1] tick_sched_timer+0x263/0x420 [ 164.036879][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.042452][ C1] __hrtimer_run_queues+0x403/0x840 [ 164.047644][ C1] hrtimer_interrupt+0x38c/0xda0 [ 164.052571][ C1] ? debug_smp_processor_id+0x9/0x20 [ 164.057865][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 164.063399][ C1] apic_timer_interrupt+0xf/0x20 [ 164.068317][ C1] [ 164.071237][ C1] RIP: 0010:free_thread_stack+0x13d/0x590 [ 164.076939][ C1] Code: 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 c1 e8 03 42 80 3c 28 00 74 08 [ 164.096531][ C1] RSP: 0018:ffffc90002f17b10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.104925][ C1] RAX: 0000000000000001 RBX: ffffea000253c900 RCX: 0000000000000000 [ 164.112883][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000253c900 [ 164.120902][ C1] RBP: ffffc90002f17b48 R08: 000000000003a768 R09: ffffed10151766af [ 164.128862][ C1] R10: ffffed10151766af R11: 0000000000000000 R12: ffff888089b200a0 [ 164.136829][ C1] R13: dffffc0000000000 R14: 1ffff11011364014 R15: ffff8880a8bb3568 [ 164.144878][ C1] put_task_stack+0xa3/0x130 [ 164.149451][ C1] finish_task_switch+0x3f1/0x550 [ 164.154458][ C1] __schedule+0x9a8/0xcc0 [ 164.158800][ C1] schedule+0x181/0x210 [ 164.163091][ C1] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 164.169248][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 164.175045][ C1] schedule_hrtimeout_range+0x2a/0x40 [ 164.180406][ C1] ep_poll+0xa4d/0xe80 [ 164.184466][ C1] ? do_task_dead+0xc0/0xc0 [ 164.188955][ C1] ? __kasan_check_read+0x11/0x20 [ 164.194035][ C1] do_epoll_wait+0x1ee/0x260 [ 164.198610][ C1] __x64_sys_epoll_wait+0x9a/0xb0 [ 164.203619][ C1] do_syscall_64+0xf7/0x1c0 [ 164.208105][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.213985][ C1] RIP: 0033:0x7f882507e943 [ 164.218386][ 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 [ 164.238017][ C1] RSP: 002b:00007ffe774dbed8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 164.246447][ C1] RAX: ffffffffffffffda RBX: 0000000000ada250 RCX: 00007f882507e943 [ 164.254417][ C1] RDX: 0000000000000004 RSI: 00007ffe774dbfa0 RDI: 0000000000000007 [ 164.262502][ C1] RBP: 0000000000625500 R08: 00007ffe774dbec0 R09: 00007ffe7758a0b8 [ 164.270491][ C1] R10: 000000000000ee42 R11: 0000000000000246 R12: 0000000000aeb440 [ 164.278453][ C1] R13: 00007ffe774dcff7 R14: 0000000000000005 R15: 0000000000ada250