[ 42.452504][ T23] audit: type=1800 audit(1575358821.525:26): pid=7995 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.499740][ T23] audit: type=1800 audit(1575358821.525:27): pid=7995 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.540853][ T8064] cat (8064) used greatest stack depth: 23640 bytes left [ 42.550615][ T23] audit: type=1800 audit(1575358821.525:28): pid=7995 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.8' (ECDSA) to the list of known hosts. 2019/12/03 07:40:31 fuzzer started 2019/12/03 07:40:33 dialing manager at 10.128.0.26:38907 2019/12/03 07:40:33 syscalls: 2697 2019/12/03 07:40:33 code coverage: enabled 2019/12/03 07:40:33 comparison tracing: enabled 2019/12/03 07:40:33 extra coverage: extra coverage is not supported by the kernel 2019/12/03 07:40:33 setuid sandbox: enabled 2019/12/03 07:40:33 namespace sandbox: enabled 2019/12/03 07:40:33 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 07:40:33 fault injection: enabled 2019/12/03 07:40:33 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 07:40:33 net packet injection: enabled 2019/12/03 07:40:33 net device setup: enabled 2019/12/03 07:40:33 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 07:40:33 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:40:34 executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf6\x17s\'C\xe3\x97\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00()\x89\xe5\x14^W\x86\xa3\x14K|\x0e\xfe-\x9d\xbe\xca`\n\x1a', 0x275a, 0x0) sync_file_range(r0, 0x0, 0x0, 0x7) 07:40:34 executing program 1: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000300)={0x12, 0x7, 0x4, 0x8c8}, 0x3c) bpf$MAP_GET_NEXT_KEY(0x4, &(0x7f00000002c0)={r0, &(0x7f0000000640), 0x0}, 0x20) syzkaller login: [ 55.216472][ T8160] IPVS: ftp: loaded support on port[0] = 21 07:40:34 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)=@ipv4_getaddr={0x18, 0x16, 0x4f6a2cd5778033c1}, 0x18}}, 0x0) [ 55.376754][ T8162] IPVS: ftp: loaded support on port[0] = 21 [ 55.390854][ T8160] chnl_net:caif_netlink_parms(): no params data found [ 55.529002][ T8160] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.537234][ T8160] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.545272][ T8160] device bridge_slave_0 entered promiscuous mode 07:40:34 executing program 3: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) clone(0x68002100, 0x0, 0x0, 0x0, 0x0) r0 = getpid() tkill(r0, 0x9) [ 55.569466][ T8160] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.576878][ T8160] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.586832][ T8160] device bridge_slave_1 entered promiscuous mode [ 55.606306][ T8165] IPVS: ftp: loaded support on port[0] = 21 [ 55.654930][ T8160] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.701370][ T8160] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.731867][ T8162] chnl_net:caif_netlink_parms(): no params data found [ 55.814181][ T8160] team0: Port device team_slave_0 added [ 55.837557][ T8169] IPVS: ftp: loaded support on port[0] = 21 [ 55.847247][ T8160] team0: Port device team_slave_1 added [ 55.916067][ T8162] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.924387][ T8162] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.932509][ T8162] device bridge_slave_0 entered promiscuous mode 07:40:35 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='fd\x00') getdents(r0, &(0x7f00000004c0)=""/179, 0xb3) [ 55.960323][ T8165] chnl_net:caif_netlink_parms(): no params data found [ 56.020842][ T8160] device hsr_slave_0 entered promiscuous mode [ 56.089207][ T8160] device hsr_slave_1 entered promiscuous mode 07:40:35 executing program 5: prlimit64(0x0, 0x0, &(0x7f0000000280)={0x9, 0x4000000000008d}, 0x0) r0 = getpid() socket$inet_icmp_raw(0x2, 0x3, 0x1) sched_setattr(r0, &(0x7f0000000040)={0x30, 0x0, 0x0, 0x0, 0x5}, 0x0) socket$inet6(0xa, 0x2, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000008880), 0x62a, 0x0, 0x0) write(0xffffffffffffffff, &(0x7f0000000340), 0x41395527) vmsplice(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x15}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000040)) read(r1, &(0x7f0000001300)=""/11, 0x8) r2 = syz_open_pts(r1, 0x0) r3 = dup3(r2, r1, 0x0) ioctl$TCFLSH(r3, 0x540a, 0x2) timerfd_settime(r3, 0x0, 0x0, 0x0) [ 56.154500][ T8162] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.168198][ T8162] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.187942][ T8162] device bridge_slave_1 entered promiscuous mode [ 56.261822][ T8172] IPVS: ftp: loaded support on port[0] = 21 [ 56.277041][ T8162] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.288395][ T8165] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.295468][ T8165] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.305348][ T8165] device bridge_slave_0 entered promiscuous mode [ 56.316356][ T8165] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.324260][ T8165] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.336648][ T8165] device bridge_slave_1 entered promiscuous mode [ 56.361953][ T8162] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.376556][ T8160] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.439587][ T8160] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.484082][ T8160] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.540948][ T8160] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.597290][ T8162] team0: Port device team_slave_0 added [ 56.607757][ T8162] team0: Port device team_slave_1 added [ 56.621552][ T8165] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.640997][ T8165] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.650386][ T8169] chnl_net:caif_netlink_parms(): no params data found [ 56.675136][ T8174] IPVS: ftp: loaded support on port[0] = 21 [ 56.749233][ T8162] device hsr_slave_0 entered promiscuous mode [ 56.787511][ T8162] device hsr_slave_1 entered promiscuous mode [ 56.827225][ T8162] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.828889][ T8165] team0: Port device team_slave_0 added [ 56.844627][ T8165] team0: Port device team_slave_1 added [ 56.889128][ T8165] device hsr_slave_0 entered promiscuous mode [ 56.937446][ T8165] device hsr_slave_1 entered promiscuous mode [ 56.987286][ T8165] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.013417][ T8169] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.021069][ T8169] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.029392][ T8169] device bridge_slave_0 entered promiscuous mode [ 57.037495][ T8169] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.044537][ T8169] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.052970][ T8169] device bridge_slave_1 entered promiscuous mode [ 57.096401][ T8169] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.113281][ T8169] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.125905][ T8165] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.180986][ T8165] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.238953][ T8165] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.280116][ T8165] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.373764][ T8169] team0: Port device team_slave_0 added [ 57.382466][ T8169] team0: Port device team_slave_1 added [ 57.416960][ T8172] chnl_net:caif_netlink_parms(): no params data found [ 57.426233][ T8162] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.479251][ T8162] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.543649][ T8162] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.678929][ T8169] device hsr_slave_0 entered promiscuous mode [ 57.717540][ T8169] device hsr_slave_1 entered promiscuous mode [ 57.777256][ T8169] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.798739][ T8162] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.869412][ T8174] chnl_net:caif_netlink_parms(): no params data found [ 57.896539][ T8172] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.904214][ T8172] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.911968][ T8172] device bridge_slave_0 entered promiscuous mode [ 57.921657][ T8160] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.935672][ T8169] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 57.982698][ T8169] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.040128][ T8172] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.047783][ T8172] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.055302][ T8172] device bridge_slave_1 entered promiscuous mode [ 58.081829][ T8169] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 58.129371][ T8169] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 58.161163][ T8172] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.177670][ T8174] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.184804][ T8174] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.193331][ T8174] device bridge_slave_0 entered promiscuous mode [ 58.201173][ T8174] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.208475][ T8174] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.216100][ T8174] device bridge_slave_1 entered promiscuous mode [ 58.238098][ T8160] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.245783][ T8172] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.274842][ T8176] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.284456][ T8176] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.313078][ T8172] team0: Port device team_slave_0 added [ 58.320839][ T8172] team0: Port device team_slave_1 added [ 58.389355][ T8172] device hsr_slave_0 entered promiscuous mode [ 58.447371][ T8172] device hsr_slave_1 entered promiscuous mode [ 58.497245][ T8172] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.510352][ T8174] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.522074][ T8174] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.534858][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.543679][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.554011][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.561206][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.570609][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.579631][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.588171][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.595343][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.602985][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.611983][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.657964][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.666000][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.678936][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.688220][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.696673][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.705188][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.713452][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.721662][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.729909][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.738461][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.768009][ T8174] team0: Port device team_slave_0 added [ 58.773830][ T8172] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 58.799712][ T8172] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 58.840845][ T8162] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.860208][ T8169] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.868478][ T8174] team0: Port device team_slave_1 added [ 58.874898][ T8172] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 58.909751][ T8172] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 58.964403][ T8165] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.981402][ T3966] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.989923][ T3966] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.003331][ T8162] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.023296][ T8160] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.030915][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.039946][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.048108][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.055642][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.118818][ T8174] device hsr_slave_0 entered promiscuous mode [ 59.157449][ T8174] device hsr_slave_1 entered promiscuous mode [ 59.207224][ T8174] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.220740][ T8165] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.229837][ T3966] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.239449][ T3966] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.248369][ T3966] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.255521][ T3966] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.263101][ T3966] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.270886][ T3966] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.279044][ T3966] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.294952][ T8169] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.325803][ T8166] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.344751][ T8166] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 164.357073][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 164.364088][ C0] (detected by 0, t=10502 jiffies, g=6177, q=58) [ 164.370491][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953591-4294943088), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 164.383832][ C0] rcu_preempt R running task 29104 10 2 0x80004008 [ 164.391726][ C0] Call Trace: [ 164.395004][ C0] [ 164.397859][ C0] sched_show_task+0x40f/0x560 [ 164.402618][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 164.407898][ C0] update_process_times+0x12d/0x180 [ 164.413092][ C0] tick_sched_timer+0x263/0x420 [ 164.417928][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.423461][ C0] __hrtimer_run_queues+0x403/0x840 [ 164.428659][ C0] hrtimer_interrupt+0x38c/0xda0 [ 164.433601][ C0] ? debug_smp_processor_id+0x9/0x20 [ 164.438878][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 164.444416][ C0] apic_timer_interrupt+0xf/0x20 [ 164.449337][ C0] [ 164.452267][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 164.458408][ C0] 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 [ 164.477999][ C0] RSP: 0018:ffffc90000d0fc10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.486395][ C0] RAX: ffffffff81487326 RBX: ffffea000280e0c0 RCX: ffff8880a9de8280 [ 164.494527][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000280e0c0 [ 164.502487][ C0] RBP: ffffc90000d0fc38 R08: 000000000003a768 R09: ffffed101508369f [ 164.510447][ C0] R10: ffffed101508369f R11: 0000000000000000 R12: ffff88809144a0a0 [ 164.518406][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a841b4e8 [ 164.526377][ C0] ? mod_memcg_page_state+0x16/0x190 [ 164.531652][ C0] ? mod_memcg_page_state+0x16/0x190 [ 164.536922][ C0] free_thread_stack+0x168/0x590 [ 164.541850][ C0] put_task_stack+0xa3/0x130 [ 164.546428][ C0] finish_task_switch+0x3f1/0x550 [ 164.551445][ C0] __schedule+0x9a8/0xcc0 [ 164.555769][ C0] schedule+0x181/0x210 [ 164.559920][ C0] schedule_timeout+0x14f/0x240 [ 164.564760][ C0] ? run_local_timers+0x120/0x120 [ 164.569797][ C0] rcu_gp_kthread+0xed8/0x1770 [ 164.574592][ C0] kthread+0x332/0x350 [ 164.578659][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 164.583786][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.588377][ C0] ret_from_fork+0x24/0x30 [ 164.592804][ C0] rcu: rcu_preempt kthread starved for 10525 jiffies! g6177 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 164.603890][ C0] rcu: RCU grace-period kthread stack dump: [ 164.609769][ C0] rcu_preempt R running task 29104 10 2 0x80004008 [ 164.617660][ C0] Call Trace: [ 164.620935][ C0] [ 164.623780][ C0] sched_show_task+0x40f/0x560 [ 164.628543][ C0] rcu_check_gp_kthread_starvation+0x170/0x1b0 [ 164.634685][ C0] rcu_sched_clock_irq+0x17d3/0x1ad0 [ 164.639968][ C0] update_process_times+0x12d/0x180 [ 164.645181][ C0] tick_sched_timer+0x263/0x420 [ 164.650052][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.655593][ C0] __hrtimer_run_queues+0x403/0x840 [ 164.660818][ C0] hrtimer_interrupt+0x38c/0xda0 [ 164.665762][ C0] ? debug_smp_processor_id+0x9/0x20 [ 164.671043][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 164.676578][ C0] apic_timer_interrupt+0xf/0x20 [ 164.681498][ C0] [ 164.684426][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 164.690574][ C0] 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 [ 164.710252][ C0] RSP: 0018:ffffc90000d0fc10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.718650][ C0] RAX: ffffffff81487326 RBX: ffffea000280e0c0 RCX: ffff8880a9de8280 [ 164.726607][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000280e0c0 [ 164.734564][ C0] RBP: ffffc90000d0fc38 R08: 000000000003a768 R09: ffffed101508369f [ 164.742524][ C0] R10: ffffed101508369f R11: 0000000000000000 R12: ffff88809144a0a0 [ 164.750481][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a841b4e8 [ 164.758453][ C0] ? mod_memcg_page_state+0x16/0x190 [ 164.763737][ C0] ? mod_memcg_page_state+0x16/0x190 [ 164.769027][ C0] free_thread_stack+0x168/0x590 [ 164.773951][ C0] put_task_stack+0xa3/0x130 [ 164.778701][ C0] finish_task_switch+0x3f1/0x550 [ 164.783714][ C0] __schedule+0x9a8/0xcc0 [ 164.788044][ C0] schedule+0x181/0x210 [ 164.792188][ C0] schedule_timeout+0x14f/0x240 [ 164.797022][ C0] ? run_local_timers+0x120/0x120 [ 164.802035][ C0] rcu_gp_kthread+0xed8/0x1770 [ 164.806798][ C0] kthread+0x332/0x350 [ 164.810850][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 164.815947][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.820525][ C0] ret_from_fork+0x24/0x30