[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 42.544277][ T25] audit: type=1800 audit(1575369787.080:25): pid=8078 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 42.573287][ T25] audit: type=1800 audit(1575369787.080:26): pid=8078 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.594163][ T25] audit: type=1800 audit(1575369787.080:27): pid=8078 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 '10.128.1.52' (ECDSA) to the list of known hosts. 2019/12/03 10:43:19 fuzzer started 2019/12/03 10:43:21 dialing manager at 10.128.0.26:38907 2019/12/03 10:43:21 syscalls: 2697 2019/12/03 10:43:21 code coverage: enabled 2019/12/03 10:43:21 comparison tracing: enabled 2019/12/03 10:43:21 extra coverage: extra coverage is not supported by the kernel 2019/12/03 10:43:21 setuid sandbox: enabled 2019/12/03 10:43:21 namespace sandbox: enabled 2019/12/03 10:43:21 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 10:43:21 fault injection: enabled 2019/12/03 10:43:21 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 10:43:21 net packet injection: enabled 2019/12/03 10:43:21 net device setup: enabled 2019/12/03 10:43:21 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 10:43:21 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:43:22 executing program 0: bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000580)=ANY=[@ANYBLOB="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"/488], &(0x7f0000000340)='GPL\x00'}, 0x1e) r0 = socket(0x10, 0x3, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000001180)='fdinfo/3\x00') sendfile(r0, r1, 0x0, 0x1000000000e6) 10:43:22 executing program 1: r0 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") r1 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000100)={'bridge_slave_0\x00\x04'}) r2 = socket(0x200000000000011, 0x3, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f00000000c0)={'bridge_slave_0\x00', 0x0}) bind$packet(r2, &(0x7f0000000240)={0x11, 0x0, r4}, 0x14) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000080)={'bridge_slave_0\x00?', 0x22000000c0ffffff}) syzkaller login: [ 58.091045][ T8241] IPVS: ftp: loaded support on port[0] = 21 [ 58.215572][ T8243] IPVS: ftp: loaded support on port[0] = 21 10:43:22 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_ENABLE_CAP_CPU(r2, 0xc008ae88, &(0x7f00000000c0)={0x7a, 0x4, [0x40000107], [0x3a]}) [ 58.272973][ T8241] chnl_net:caif_netlink_parms(): no params data found [ 58.393973][ T8241] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.401792][ T8241] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.420621][ T8241] device bridge_slave_0 entered promiscuous mode [ 58.467232][ T8246] IPVS: ftp: loaded support on port[0] = 21 [ 58.482264][ T8241] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.490368][ T8241] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.499263][ T8241] device bridge_slave_1 entered promiscuous mode [ 58.537144][ T8243] chnl_net:caif_netlink_parms(): no params data found [ 58.557063][ T8241] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 10:43:23 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_CHECK_EXTENSION(r0, 0xae03, 0xa8) [ 58.596629][ T8241] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.638512][ T8243] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.649652][ T8243] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.674376][ T8243] device bridge_slave_0 entered promiscuous mode [ 58.696366][ T8241] team0: Port device team_slave_0 added [ 58.714287][ T8241] team0: Port device team_slave_1 added [ 58.720172][ T8243] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.743481][ T8243] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.751415][ T8243] device bridge_slave_1 entered promiscuous mode [ 58.799176][ T8243] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.835927][ T8243] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 10:43:23 executing program 4: perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xc, 0xe, &(0x7f0000000380)=ANY=[@ANYBLOB="b702000003000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fe00000000850000000d000000b7000000000000009500000000000000"], &(0x7f0000000340)='syzkaller\x00'}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r0, 0x18000000000002a0, 0x42, 0xe0ffffff, &(0x7f00000000c0)="b9ff030000ffffff7f9e14f005051fffffff00004000633a77fbac141414e934a0a662079f4b4d2f87e5feca6aab845013f2325f1a390101050a0100010000000000df74e30d7eabe773afef6f6e4798ab117e9f84fa406b913de8ad827a022e1faee50887dc302819a8a3d0cde36b67f337ce8eee124e061f8fea8ab95f1e8f99c7edea980697449b78569ea293c3eed3b28fc3205db63b2c65e77f19ab28c632cc80d9f2f37f9ba67174fffcb5244b0c909eb8e12116bebc47cf97d2ea8acadfb34ca580b64df7c800113e53bae401cd22f50072deabf93dd4d3e626", 0x0, 0x100, 0x0, 0x296, 0x0, &(0x7f0000000000), &(0x7f0000000040)}, 0x28) [ 58.926842][ T8241] device hsr_slave_0 entered promiscuous mode [ 58.963568][ T8241] device hsr_slave_1 entered promiscuous mode [ 59.012408][ T8250] IPVS: ftp: loaded support on port[0] = 21 [ 59.085117][ T8243] team0: Port device team_slave_0 added [ 59.115818][ T8246] chnl_net:caif_netlink_parms(): no params data found [ 59.126437][ T8252] IPVS: ftp: loaded support on port[0] = 21 10:43:23 executing program 5: r0 = socket(0x10, 0x20001000000003, 0x0) write(r0, &(0x7f00000000c0)="220000001400070500e80e00000003000208030001000000080002004100fff0f055", 0x22) [ 59.136497][ T8243] team0: Port device team_slave_1 added [ 59.142368][ T8241] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.207495][ T8241] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.279419][ T8241] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.326628][ T8241] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.476000][ T8243] device hsr_slave_0 entered promiscuous mode [ 59.513723][ T8243] device hsr_slave_1 entered promiscuous mode [ 59.553947][ T8243] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.584639][ T8255] IPVS: ftp: loaded support on port[0] = 21 [ 59.619999][ T8246] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.627517][ T8246] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.635814][ T8246] device bridge_slave_0 entered promiscuous mode [ 59.656828][ T8246] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.664003][ T8246] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.671715][ T8246] device bridge_slave_1 entered promiscuous mode [ 59.714862][ T8243] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.756732][ T8243] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.798655][ T8246] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.810439][ T8246] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.825813][ T8243] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.856834][ T8243] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.946052][ T8246] team0: Port device team_slave_0 added [ 59.984767][ T8246] team0: Port device team_slave_1 added [ 60.001683][ T8250] chnl_net:caif_netlink_parms(): no params data found [ 60.058665][ T8241] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.115994][ T8246] device hsr_slave_0 entered promiscuous mode [ 60.163539][ T8246] device hsr_slave_1 entered promiscuous mode [ 60.203447][ T8246] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.217604][ T8252] chnl_net:caif_netlink_parms(): no params data found [ 60.251360][ T8241] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.261716][ T8250] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.269797][ T8250] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.277792][ T8250] device bridge_slave_0 entered promiscuous mode [ 60.286471][ T8250] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.293588][ T8250] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.301288][ T8250] device bridge_slave_1 entered promiscuous mode [ 60.319551][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.328557][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.356356][ T8255] chnl_net:caif_netlink_parms(): no params data found [ 60.368247][ T8250] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.378307][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.387731][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.396518][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.403737][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.412115][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.421593][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.430014][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.437065][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.466142][ T8252] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.473591][ T8252] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.481277][ T8252] device bridge_slave_0 entered promiscuous mode [ 60.492937][ T8250] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.502865][ T8259] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.511028][ T8259] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.519687][ T8259] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.529316][ T8259] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.538647][ T8259] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.547414][ T8259] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.556592][ T8259] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.565068][ T8259] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.573706][ T8259] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.585110][ T8259] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.598782][ T8241] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.611940][ T8241] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.620005][ T8252] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.627455][ T8252] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.635767][ T8252] device bridge_slave_1 entered promiscuous mode [ 60.657851][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.666325][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.675281][ T8246] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.727944][ T8246] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.789144][ T8246] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.836316][ T8250] team0: Port device team_slave_0 added [ 60.862563][ T8243] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.878156][ T8246] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.916445][ T8250] team0: Port device team_slave_1 added [ 60.931387][ T8252] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.942807][ T8252] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.972889][ T8252] team0: Port device team_slave_0 added [ 60.979938][ T8255] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.987247][ T8255] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.995449][ T8255] device bridge_slave_0 entered promiscuous mode [ 61.003016][ T8255] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.010940][ T8255] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.018745][ T8255] device bridge_slave_1 entered promiscuous mode [ 61.039083][ T8255] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.075103][ T8250] device hsr_slave_0 entered promiscuous mode [ 61.113704][ T8250] device hsr_slave_1 entered promiscuous mode [ 61.164163][ T8250] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.173008][ T8252] team0: Port device team_slave_1 added [ 61.191703][ T8241] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.200310][ T8255] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.222260][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.230080][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.238473][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.246157][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.255456][ T8243] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.316068][ T8252] device hsr_slave_0 entered promiscuous mode [ 61.343524][ T8252] device hsr_slave_1 entered promiscuous mode [ 61.393421][ T8252] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.429502][ T8255] team0: Port device team_slave_0 added [ 61.441604][ T8255] team0: Port device team_slave_1 added [ 61.497645][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.506457][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.515063][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.522162][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.529972][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.539289][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.555105][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.562284][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.570500][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.580947][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.589176][ T8250] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.645457][ T8250] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.708136][ T8250] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.796021][ T8255] device hsr_slave_0 entered promiscuous mode [ 61.843652][ T8255] device hsr_slave_1 entered promiscuous mode [ 61.883362][ T8255] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.896970][ T2707] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.926520][ T8250] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 166.943190][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.950138][ C1] rcu: 1-...!: (10499 ticks this GP) idle=e06/1/0x4000000000000002 softirq=10118/10118 fqs=1 [ 166.960703][ C1] (t=10500 jiffies g=6373 q=70) [ 166.965632][ C1] rcu: rcu_preempt kthread starved for 10498 jiffies! g6373 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.976713][ C1] rcu: RCU grace-period kthread stack dump: [ 166.982601][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 166.990504][ C1] Call Trace: [ 166.993902][ C1] __schedule+0x9a0/0xcc0 [ 166.998268][ C1] schedule+0x181/0x210 [ 167.002422][ C1] schedule_timeout+0x14f/0x240 [ 167.007350][ C1] ? run_local_timers+0x120/0x120 [ 167.012546][ C1] rcu_gp_kthread+0xed8/0x1770 [ 167.017306][ C1] kthread+0x332/0x350 [ 167.021542][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 167.026647][ C1] ? kthread_blkcg+0xe0/0xe0 [ 167.031229][ C1] ret_from_fork+0x24/0x30 [ 167.035656][ C1] NMI backtrace for cpu 1 [ 167.039992][ C1] CPU: 1 PID: 8246 Comm: syz-executor.2 Not tainted 5.4.0-syzkaller #0 [ 167.048213][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.058424][ C1] Call Trace: [ 167.061782][ C1] [ 167.064636][ C1] dump_stack+0x1fb/0x318 [ 167.068960][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.073806][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.079950][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.086046][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.092101][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.097979][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.103083][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.108534][ C1] ? trace_hardirqs_off+0x74/0x80 [ 167.113548][ C1] update_process_times+0x12d/0x180 [ 167.118910][ C1] tick_sched_timer+0x263/0x420 [ 167.124877][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.130411][ C1] __hrtimer_run_queues+0x403/0x840 [ 167.135612][ C1] hrtimer_interrupt+0x38c/0xda0 [ 167.140552][ C1] ? debug_smp_processor_id+0x9/0x20 [ 167.146114][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 167.151647][ C1] apic_timer_interrupt+0xf/0x20 [ 167.156582][ C1] [ 167.159509][ C1] RIP: 0010:__memcg_kmem_uncharge+0x210/0x2e0 [ 167.165560][ C1] Code: e8 65 db a4 ff 48 c7 c7 98 4b 0d 89 e8 59 97 00 00 bf 01 00 00 00 e8 2f e3 9b ff 65 8b 05 d4 fd 4a 7e 85 c0 74 53 48 83 c4 08 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 49 8d 5f 10 48 89 df be 08 00 00 [ 167.186713][ C1] RSP: 0018:ffffc90002027940 EFLAGS: 00000292 ORIG_RAX: ffffffffffffff13 [ 167.195109][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 167.203068][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0001b1bc00 [ 167.211027][ C1] RBP: ffffc90002027968 R08: dffffc0000000000 R09: fffffbfff120248a [ 167.219010][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffffea0001b1bc00 [ 167.226966][ C1] R13: 1ffffd4000363787 R14: ffffea0001b1bc38 R15: 0000000000000000 [ 167.235036][ C1] free_thread_stack+0x12e/0x590 [ 167.239964][ C1] put_task_stack+0xa3/0x130 [ 167.244544][ C1] finish_task_switch+0x3f1/0x550 [ 167.249564][ C1] __schedule+0x9a8/0xcc0 [ 167.254673][ C1] preempt_schedule_irq+0xc1/0x140 [ 167.259772][ C1] retint_kernel+0x1b/0x2b [ 167.264219][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 167.270358][ C1] Code: 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 00 01 1f 00 75 2c 8b 91 80 13 00 00 <83> fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 8b 89 84 [ 167.291226][ C1] RSP: 0018:ffffc90002027bc0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.299639][ C1] RAX: ffffffff863b0037 RBX: ffff8880a7640000 RCX: ffff88809549e100 [ 167.307606][ C1] RDX: 0000000000000000 RSI: 0000000000000024 RDI: ffff8880a7640000 [ 167.315749][ C1] RBP: ffffc90002027be0 R08: ffffffff863af5f7 R09: ffffffff863b0020 [ 167.323708][ C1] R10: ffffed1015d86fcd R11: 0000000000000000 R12: ffff888092d40bc0 [ 167.331685][ C1] R13: ffff888092d40bc0 R14: ffffc90002027dc0 R15: 0000000000000024 [ 167.339664][ C1] ? trace_skb_copy_datagram_iovec+0x2d0/0x2d0 [ 167.345803][ C1] ? __skb_datagram_iter+0x97/0x790 [ 167.350995][ C1] ? simple_copy_to_iter+0x17/0x50 [ 167.356102][ C1] ? simple_copy_to_iter+0x17/0x50 [ 167.361201][ C1] __skb_datagram_iter+0xe3/0x790 [ 167.366215][ C1] ? trace_skb_copy_datagram_iovec+0x2d0/0x2d0 [ 167.372357][ C1] ? rcu_read_lock_sched_held+0x10b/0x170 [ 167.378065][ C1] skb_copy_datagram_iter+0x44/0x60 [ 167.383255][ C1] netlink_recvmsg+0x2d4/0xfb0 [ 167.388039][ C1] ? security_socket_recvmsg+0xa9/0xd0 [ 167.393499][ C1] ? netlink_sendmsg+0xd40/0xd40 [ 167.398523][ C1] __sys_recvfrom+0x328/0x4b0 [ 167.403201][ C1] ? debug_smp_processor_id+0x1c/0x20 [ 167.408563][ C1] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 167.414748][ C1] ? prepare_exit_to_usermode+0x221/0x5b0 [ 167.420498][ C1] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 167.426331][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 167.431789][ C1] __x64_sys_recvfrom+0xe5/0x100 [ 167.436724][ C1] do_syscall_64+0xf7/0x1c0 [ 167.441222][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.447115][ C1] RIP: 0033:0x41425d [ 167.451002][ C1] Code: 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 8b 05 1e 42 66 00 85 c0 75 3e 45 31 c9 45 31 c0 4c 63 d1 48 63 ff b8 2d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0b c3 66 2e 0f 1f 84 00 00 00 00 00 48 c7 c2 [ 167.470605][ C1] RSP: 002b:00007ffe06c11398 EFLAGS: 00000246 ORIG_RAX: 000000000000002d [ 167.479043][ C1] RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 000000000041425d [ 167.487017][ C1] RDX: 0000000000000400 RSI: 0000000000a72250 RDI: 0000000000000003 [ 167.494999][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 167.502986][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 167.510948][ C1] R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003