[ 40.729460][ T25] audit: type=1800 audit(1575396128.308:26): pid=7955 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 40.779352][ T25] audit: type=1800 audit(1575396128.308:27): pid=7955 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 40.825665][ T25] audit: type=1800 audit(1575396128.318:28): pid=7955 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. [ 41.622433][ T25] audit: type=1800 audit(1575396129.228:29): pid=7955 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 '10.128.15.212' (ECDSA) to the list of known hosts. 2019/12/03 18:02:17 fuzzer started 2019/12/03 18:02:18 dialing manager at 10.128.0.26:42111 2019/12/03 18:02:18 syscalls: 2689 2019/12/03 18:02:18 code coverage: enabled 2019/12/03 18:02:18 comparison tracing: enabled 2019/12/03 18:02:18 extra coverage: extra coverage is not supported by the kernel 2019/12/03 18:02:18 setuid sandbox: enabled 2019/12/03 18:02:18 namespace sandbox: enabled 2019/12/03 18:02:18 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 18:02:18 fault injection: enabled 2019/12/03 18:02:18 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 18:02:18 net packet injection: enabled 2019/12/03 18:02:18 net device setup: enabled 2019/12/03 18:02:18 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 18:02:18 devlink PCI setup: PCI device 0000:00:10.0 is not available 18:02:19 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000000100)='ns\x00') getdents64(r0, 0x0, 0x0) 18:02:19 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket(0x10, 0x80002, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f0000000780)={&(0x7f0000000800)=ANY=[@ANYBLOB="b00200002e001b0828bd09b78110df2500000000", @ANYRES32, @ANYBLOB="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"], 0x2b0}, 0x1, 0x0, 0x0, 0x4000000}, 0x20004044) sendmmsg$alg(r0, &(0x7f0000000140)=[{0x40000000, 0x0, &(0x7f0000000100), 0x0, &(0x7f0000000100)}], 0x492492492492805, 0x0) syzkaller login: [ 52.446607][ T8118] IPVS: ftp: loaded support on port[0] = 21 [ 52.562986][ T8120] IPVS: ftp: loaded support on port[0] = 21 18:02:20 executing program 2: r0 = openat$ttynull(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ttynull\x00', 0x0, 0x0) ioctl$RTC_EPOCH_SET(r0, 0x5410, 0x0) [ 52.608846][ T8118] chnl_net:caif_netlink_parms(): no params data found [ 52.676149][ T8118] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.700181][ T8118] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.720202][ T8118] device bridge_slave_0 entered promiscuous mode [ 52.732317][ T8118] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.749298][ T8118] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.769312][ T8118] device bridge_slave_1 entered promiscuous mode [ 52.809931][ T8118] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.821557][ T8118] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.843209][ T8118] team0: Port device team_slave_0 added [ 52.851764][ T8118] team0: Port device team_slave_1 added 18:02:20 executing program 3: r0 = fsopen(&(0x7f0000000400)='devpts\x00', 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0x1) setresuid(0x0, r2, 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x6, 0x0, 0x0, 0x0) [ 52.863545][ T8123] IPVS: ftp: loaded support on port[0] = 21 [ 52.921805][ T8118] device hsr_slave_0 entered promiscuous mode [ 52.970437][ T8118] device hsr_slave_1 entered promiscuous mode 18:02:20 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000000440)='gid_map\x00') r1 = socket$nl_route(0x10, 0x3, 0x0) sendfile(r1, r0, &(0x7f0000000000)=0x7, 0x1ff) [ 53.095517][ T8120] chnl_net:caif_netlink_parms(): no params data found [ 53.122051][ T8125] IPVS: ftp: loaded support on port[0] = 21 [ 53.165459][ T8118] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 53.236606][ T8118] netdevsim netdevsim0 netdevsim1: renamed from eth1 18:02:20 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup3(r1, r0, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$sock_ifreq(r3, 0x8991, &(0x7f00000000c0)={'bond0\x00\x16\b\xea\xff\xff\x80\x00\x06\x02\xff', @ifru_names='bond_slave_1\x00t\x00'}) ioctl$sock_ifreq(r3, 0x8990, &(0x7f0000000240)={'bond0\x00\xe1\x03\f\x00!!\x00\x01\x00\x01', @ifru_names='bond_slave_1\x00\x00\x00\b'}) [ 53.311352][ T8118] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.400531][ T8118] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.412630][ T8128] IPVS: ftp: loaded support on port[0] = 21 [ 53.475152][ T8120] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.482712][ T8120] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.490777][ T8120] device bridge_slave_0 entered promiscuous mode [ 53.533173][ T8120] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.540406][ T8120] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.547930][ T8120] device bridge_slave_1 entered promiscuous mode [ 53.574338][ T8118] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.581530][ T8118] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.589116][ T8118] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.596214][ T8118] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.615350][ T8130] IPVS: ftp: loaded support on port[0] = 21 [ 53.626230][ T8120] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.651409][ T8123] chnl_net:caif_netlink_parms(): no params data found [ 53.663224][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.671289][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.684180][ T8120] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.724517][ T8120] team0: Port device team_slave_0 added [ 53.732956][ T8120] team0: Port device team_slave_1 added [ 53.851785][ T8120] device hsr_slave_0 entered promiscuous mode [ 53.889728][ T8120] device hsr_slave_1 entered promiscuous mode [ 53.949376][ T8120] debugfs: Directory 'hsr0' with parent '/' already present! [ 53.963928][ T8123] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.971835][ T8123] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.979635][ T8123] device bridge_slave_0 entered promiscuous mode [ 53.998156][ T8125] chnl_net:caif_netlink_parms(): no params data found [ 54.015885][ T8123] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.023493][ T8123] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.031383][ T8123] device bridge_slave_1 entered promiscuous mode [ 54.057760][ T8118] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.065374][ T8128] chnl_net:caif_netlink_parms(): no params data found [ 54.084731][ T8123] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.097391][ T8123] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.138599][ T8125] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.147094][ T8125] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.155295][ T8125] device bridge_slave_0 entered promiscuous mode [ 54.162788][ T8120] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 54.233835][ T8120] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 54.294499][ T8120] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 54.394189][ T8125] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.403177][ T8125] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.411256][ T8125] device bridge_slave_1 entered promiscuous mode [ 54.430425][ T8118] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.441398][ T8120] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 54.482128][ T8123] team0: Port device team_slave_0 added [ 54.492467][ T8125] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.504424][ T3961] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.513023][ T3961] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.528668][ T8123] team0: Port device team_slave_1 added [ 54.540587][ T8130] chnl_net:caif_netlink_parms(): no params data found [ 54.550744][ T8125] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.563627][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.573032][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.581915][ T3068] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.595187][ T3068] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.603236][ T8128] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.610617][ T8128] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.618368][ T8128] device bridge_slave_0 entered promiscuous mode [ 54.681926][ T8123] device hsr_slave_0 entered promiscuous mode [ 54.709716][ T8123] device hsr_slave_1 entered promiscuous mode [ 54.749271][ T8123] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.759085][ T8128] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.767264][ T8128] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.774978][ T8128] device bridge_slave_1 entered promiscuous mode [ 54.799666][ T8128] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.814238][ T3961] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.822782][ T3961] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.831339][ T3961] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.838479][ T3961] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.867646][ T8128] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.878238][ T8125] team0: Port device team_slave_0 added [ 54.889772][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.898127][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.910707][ T8130] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.918450][ T8130] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.929613][ T8130] device bridge_slave_0 entered promiscuous mode [ 54.944080][ T8125] team0: Port device team_slave_1 added [ 54.956814][ T3961] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.965528][ T3961] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.984644][ T8130] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.991950][ T8130] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.000503][ T8130] device bridge_slave_1 entered promiscuous mode [ 55.017304][ T3961] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.025792][ T3961] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.034281][ T3961] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.058018][ T8123] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 55.103481][ T8128] team0: Port device team_slave_0 added [ 55.161932][ T8125] device hsr_slave_0 entered promiscuous mode [ 55.209639][ T8125] device hsr_slave_1 entered promiscuous mode [ 55.259705][ T8125] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.273195][ T8123] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 55.324208][ T8118] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.334914][ T8118] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.346809][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.355096][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.363808][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.372317][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.380696][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.389053][ T8128] team0: Port device team_slave_1 added [ 55.397721][ T8130] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.409655][ T8123] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 55.464835][ T8123] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 55.513524][ T8130] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.543624][ T8125] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 55.591122][ T8125] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 55.638312][ T8125] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 55.701949][ T8130] team0: Port device team_slave_0 added [ 55.708992][ T8130] team0: Port device team_slave_1 added [ 55.751530][ T8128] device hsr_slave_0 entered promiscuous mode [ 55.799541][ T8128] device hsr_slave_1 entered promiscuous mode [ 55.839402][ T8128] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.846933][ T8125] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 55.908484][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.915932][ T8133] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.925981][ T8118] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.946558][ T8120] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.021865][ T8130] device hsr_slave_0 entered promiscuous mode [ 56.069731][ T8130] device hsr_slave_1 entered promiscuous mode [ 56.129392][ T8130] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.142928][ T8120] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.151126][ T8128] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 56.211437][ T8128] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 56.250822][ T8128] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 161.279174][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 161.286649][ C0] rcu: 0-...!: (10499 ticks this GP) idle=aa2/1/0x4000000000000002 softirq=10952/10952 fqs=0 [ 161.297285][ C0] (t=10500 jiffies g=6065 q=103) [ 161.302433][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g6065 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 161.313530][ C0] rcu: RCU grace-period kthread stack dump: [ 161.319423][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 161.327308][ C0] Call Trace: [ 161.330591][ C0] __schedule+0x9a0/0xcc0 [ 161.335002][ C0] schedule+0x181/0x210 [ 161.339146][ C0] schedule_timeout+0x14f/0x240 [ 161.343987][ C0] ? run_local_timers+0x120/0x120 [ 161.349002][ C0] rcu_gp_kthread+0xed8/0x1770 [ 161.353770][ C0] kthread+0x332/0x350 [ 161.357821][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 161.362915][ C0] ? kthread_blkcg+0xe0/0xe0 [ 161.367492][ C0] ret_from_fork+0x24/0x30 [ 161.371908][ C0] NMI backtrace for cpu 0 [ 161.376225][ C0] CPU: 0 PID: 4169 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 161.383659][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 161.393699][ C0] Call Trace: [ 161.396965][ C0] [ 161.399807][ C0] dump_stack+0x1fb/0x318 [ 161.404124][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 161.408959][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 161.415100][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 161.421151][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 161.427118][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 161.432995][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 161.438102][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 161.443290][ C0] ? trace_hardirqs_off+0x74/0x80 [ 161.448301][ C0] update_process_times+0x12d/0x180 [ 161.453485][ C0] tick_sched_timer+0x263/0x420 [ 161.458331][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 161.463865][ C0] __hrtimer_run_queues+0x403/0x840 [ 161.469062][ C0] hrtimer_interrupt+0x38c/0xda0 [ 161.474001][ C0] ? debug_smp_processor_id+0x9/0x20 [ 161.479278][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 161.484809][ C0] apic_timer_interrupt+0xf/0x20 [ 161.489727][ C0] [ 161.492663][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 161.498716][ C0] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 74 25 cd 07 48 89 de e8 64 02 3b 00 5b 5d c3 cc <48> 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e f7 c2 [ 161.518319][ C0] RSP: 0018:ffffc90001da7ad8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 161.526716][ C0] RAX: 1ffffd4000534a37 RBX: 0000000000000000 RCX: ffff8880a0292140 [ 161.534672][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00029a5180 [ 161.542639][ C0] RBP: ffffc90001da7b00 R08: 000000000003a768 R09: fffffbfff120248a [ 161.550609][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: dffffc0000000000 [ 161.558573][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a7e6d3e8 [ 161.566559][ C0] ? free_thread_stack+0x124/0x590 [ 161.571658][ C0] ? mod_memcg_page_state+0x123/0x190 [ 161.577015][ C0] free_thread_stack+0x168/0x590 [ 161.581943][ C0] put_task_stack+0xa3/0x130 [ 161.586517][ C0] finish_task_switch+0x3f1/0x550 [ 161.591533][ C0] __schedule+0x9a8/0xcc0 [ 161.595860][ C0] schedule+0x181/0x210 [ 161.600004][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 161.606063][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 161.611863][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 161.617223][ C0] ep_poll+0xa4d/0xe80 [ 161.621285][ C0] ? do_task_dead+0xc0/0xc0 [ 161.625773][ C0] ? __kasan_check_read+0x11/0x20 [ 161.630784][ C0] do_epoll_wait+0x1ee/0x260 [ 161.635364][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 161.640413][ C0] do_syscall_64+0xf7/0x1c0 [ 161.644911][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 161.650787][ C0] RIP: 0033:0x7f3f5a757943 [ 161.655190][ 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 [ 161.674776][ C0] RSP: 002b:00007ffdc8b3eb78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 161.683172][ C0] RAX: ffffffffffffffda RBX: 00000000012d1250 RCX: 00007f3f5a757943 [ 161.691126][ C0] RDX: 0000000000000004 RSI: 00007ffdc8b3ec40 RDI: 0000000000000007 [ 161.699084][ C0] RBP: 0000000000625500 R08: 00007ffdc8b3eb60 R09: 00007ffdc8bf40b8 [ 161.707064][ C0] R10: 000000000000ee42 R11: 0000000000000246 R12: 00000000012ea560 [ 161.715032][ C0] R13: 00007ffdc8b3fc97 R14: 0000000000000005 R15: 00000000012d1250