[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.691012][ T25] audit: type=1800 audit(1575424695.338:25): pid=8193 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.712603][ T25] audit: type=1800 audit(1575424695.338:26): pid=8193 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.769896][ T25] audit: type=1800 audit(1575424695.338:27): pid=8193 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 '10.128.10.39' (ECDSA) to the list of known hosts. 2019/12/04 01:58:24 fuzzer started 2019/12/04 01:58:26 dialing manager at 10.128.0.26:42111 2019/12/04 01:58:26 syscalls: 2689 2019/12/04 01:58:26 code coverage: enabled 2019/12/04 01:58:26 comparison tracing: enabled 2019/12/04 01:58:26 extra coverage: extra coverage is not supported by the kernel 2019/12/04 01:58:26 setuid sandbox: enabled 2019/12/04 01:58:26 namespace sandbox: enabled 2019/12/04 01:58:26 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 01:58:26 fault injection: enabled 2019/12/04 01:58:26 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 01:58:26 net packet injection: enabled 2019/12/04 01:58:26 net device setup: enabled 2019/12/04 01:58:26 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 01:58:26 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:58:27 executing program 0: keyctl$dh_compute(0x17, &(0x7f0000000040), 0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000180)={'digest_null-generic\x00'}}) 01:58:27 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) clock_gettime(0x92e0539af48a74cf, 0x0) syzkaller login: [ 58.308176][ T8360] IPVS: ftp: loaded support on port[0] = 21 [ 58.493394][ T8360] chnl_net:caif_netlink_parms(): no params data found [ 58.523324][ T8363] IPVS: ftp: loaded support on port[0] = 21 01:58:28 executing program 2: r0 = socket(0x400000000010, 0x3, 0x0) write(r0, &(0x7f0000000040)="3a03000019002551075c0165ff0ffc02802000030011000500e1000c040009101a020900", 0x33a) [ 58.565338][ T8360] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.574426][ T8360] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.583114][ T8360] device bridge_slave_0 entered promiscuous mode [ 58.626183][ T8360] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.634817][ T8360] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.643206][ T8360] device bridge_slave_1 entered promiscuous mode [ 58.728656][ T8360] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.760352][ T8360] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.818419][ T8363] chnl_net:caif_netlink_parms(): no params data found [ 58.829249][ T8366] IPVS: ftp: loaded support on port[0] = 21 [ 58.841514][ T8360] team0: Port device team_slave_0 added [ 58.859962][ T8360] team0: Port device team_slave_1 added 01:58:28 executing program 3: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount(&(0x7f00000000c0)=ANY=[@ANYBLOB='/'], &(0x7f00000002c0)='./file0\x00', 0x0, 0x5010, 0x0) umount2(&(0x7f0000000180)='./file0\x00', 0x0) [ 58.910696][ T8363] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.918382][ T8363] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.928709][ T8363] device bridge_slave_0 entered promiscuous mode [ 58.957588][ T8363] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.967460][ T8363] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.987816][ T8363] device bridge_slave_1 entered promiscuous mode [ 59.049824][ T8360] device hsr_slave_0 entered promiscuous mode [ 59.087321][ T8360] device hsr_slave_1 entered promiscuous mode 01:58:28 executing program 4: socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r1, 0x6, 0x5, &(0x7f0000e3dffc)=0x7, 0x4) getsockopt$inet6_tcp_int(r1, 0x6, 0x5, &(0x7f0000d11000), &(0x7f0000000080)=0xfffffffffffffcfd) [ 59.170905][ T8368] IPVS: ftp: loaded support on port[0] = 21 [ 59.194631][ T8363] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.221403][ T8363] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.334912][ T8363] team0: Port device team_slave_0 added [ 59.347861][ T8360] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.389315][ T8360] netdevsim netdevsim0 netdevsim1: renamed from eth1 01:58:29 executing program 5: r0 = socket$inet6(0xa, 0x802, 0x88) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup2(r2, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) setsockopt$inet6_udp_int(r0, 0x11, 0x100000000a, &(0x7f00000003c0)=0x800000001, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x2404c828, &(0x7f0000000000)={0xa, 0x4e23, 0x0, @local}, 0x1c) sendto$inet6(r0, 0x0, 0x0, 0x0, 0x0, 0x0) [ 59.445691][ T8363] team0: Port device team_slave_1 added [ 59.456011][ T8360] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.522071][ T8360] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.580287][ T8371] IPVS: ftp: loaded support on port[0] = 21 [ 59.595678][ T8366] chnl_net:caif_netlink_parms(): no params data found [ 59.660091][ T8363] device hsr_slave_0 entered promiscuous mode [ 59.678422][ T8363] device hsr_slave_1 entered promiscuous mode [ 59.727098][ T8363] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.755496][ T8374] IPVS: ftp: loaded support on port[0] = 21 [ 59.782007][ T8366] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.790340][ T8366] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.798574][ T8366] device bridge_slave_0 entered promiscuous mode [ 59.826162][ T8366] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.834412][ T8366] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.843600][ T8366] device bridge_slave_1 entered promiscuous mode [ 59.867428][ T8366] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.878674][ T8366] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.895240][ T8363] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.952292][ T8363] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.047891][ T8363] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.123321][ T8363] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.159176][ T8368] chnl_net:caif_netlink_parms(): no params data found [ 60.192905][ T8366] team0: Port device team_slave_0 added [ 60.203446][ T8366] team0: Port device team_slave_1 added [ 60.222378][ T8368] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.229944][ T8368] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.238084][ T8368] device bridge_slave_0 entered promiscuous mode [ 60.245910][ T8368] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.253056][ T8368] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.261068][ T8368] device bridge_slave_1 entered promiscuous mode [ 60.310859][ T8368] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.389974][ T8366] device hsr_slave_0 entered promiscuous mode [ 60.417411][ T8366] device hsr_slave_1 entered promiscuous mode [ 60.457170][ T8366] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.502130][ T8368] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.515876][ T8371] chnl_net:caif_netlink_parms(): no params data found [ 60.553786][ T8368] team0: Port device team_slave_0 added [ 60.565868][ T8368] team0: Port device team_slave_1 added [ 60.575908][ T8374] chnl_net:caif_netlink_parms(): no params data found [ 60.690280][ T8368] device hsr_slave_0 entered promiscuous mode [ 60.728454][ T8368] device hsr_slave_1 entered promiscuous mode [ 60.797194][ T8368] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.806164][ T8371] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.813403][ T8371] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.821810][ T8371] device bridge_slave_0 entered promiscuous mode [ 60.849068][ T8366] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.926775][ T8371] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.934118][ T8371] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.942226][ T8371] device bridge_slave_1 entered promiscuous mode [ 60.956412][ T8374] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.963796][ T8374] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.972087][ T8374] device bridge_slave_0 entered promiscuous mode [ 60.980356][ T8374] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.987508][ T8374] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.995294][ T8374] device bridge_slave_1 entered promiscuous mode [ 61.002745][ T8366] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 61.048956][ T8366] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.104714][ T8366] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.164025][ T8371] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.180029][ T8371] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.199577][ T8374] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.213018][ T8374] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.238969][ T8360] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.276427][ T8368] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.303899][ T8368] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.362133][ T8371] team0: Port device team_slave_0 added [ 61.370182][ T8371] team0: Port device team_slave_1 added [ 61.378085][ T8374] team0: Port device team_slave_0 added [ 61.384523][ T8368] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.421823][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.432769][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.443282][ T8360] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.461672][ T8374] team0: Port device team_slave_1 added [ 61.468724][ T8368] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.560263][ T8371] device hsr_slave_0 entered promiscuous mode [ 61.607556][ T8371] device hsr_slave_1 entered promiscuous mode [ 61.657177][ T8371] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.690733][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.699760][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.710121][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.717544][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.737644][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.746619][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.756651][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.763828][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.771490][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.780388][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.790530][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.859974][ T8374] device hsr_slave_0 entered promiscuous mode [ 61.887456][ T8374] device hsr_slave_1 entered promiscuous mode [ 61.927149][ T8374] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.959623][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.971347][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.982775][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.993813][ T8363] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.028183][ T8378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.036790][ T8378] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.055117][ T8366] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.068940][ T8371] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.109140][ T8371] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.163469][ T8378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.172077][ T8378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.181062][ T8378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.189971][ T8378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.199012][ T8374] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 62.220146][ T8374] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 62.259978][ T8374] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 62.320266][ T8374] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.378941][ T8371] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.420698][ T8360] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.430178][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.439053][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.449512][ T8363] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.461006][ T8371] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 62.537754][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.546329][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.554944][ T3689] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.562760][ T3689] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.571037][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.580283][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.587789][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.595379][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.603571][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.621544][ T8368] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.634940][ T8366] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.654224][ T8360] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.673177][ T8378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.681760][ T8378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.692321][ T8378] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.699461][ T8378] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.708567][ T8378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.717432][ T8378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.726015][ T8378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.734682][ T8378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.743222][ T8378] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.750333][ T8378] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.758267][ T8378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.767018][ T8378] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.776794][ T8378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.785662][ T8378] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.795368][ T8378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.804490][ T8378] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.821208][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.835504][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.845842][ T3689] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.852990][ T3689] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.867665][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.875697][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.894227][ T8363] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.909499][ T8363] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.924642][ T8368] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.942305][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.950874][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.959903][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.968980][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.977486][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.985961][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.994795][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.003308][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.011838][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.020543][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.030936][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.038971][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.084923][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.116466][ T3689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.125569][ T3689] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.132685][ T3689] bridge0: port 1(bridge_slave_0) entered forwarding state [ 168.126896][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 168.133927][ C0] (detected by 0, t=10502 jiffies, g=6785, q=55) [ 168.140420][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953934-4294943431), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 168.153761][ C0] syz-executor.0 R running task 29104 8382 8360 0x0000400e [ 168.161652][ C0] Call Trace: [ 168.164936][ C0] [ 168.167791][ C0] sched_show_task+0x40f/0x560 [ 168.172651][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 168.178500][ C0] update_process_times+0x12d/0x180 [ 168.183968][ C0] tick_sched_timer+0x263/0x420 [ 168.188949][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.194686][ C0] __hrtimer_run_queues+0x403/0x840 [ 168.199916][ C0] hrtimer_interrupt+0x38c/0xda0 [ 168.204867][ C0] ? debug_smp_processor_id+0x9/0x20 [ 168.211219][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 168.217302][ C0] apic_timer_interrupt+0xf/0x20 [ 168.222241][ C0] [ 168.225177][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x35/0x50 [ 168.231537][ C0] Code: 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 13 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 3a c3 0f 1f [ 168.258798][ C0] RSP: 0018:ffffc90002667828 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.267209][ C0] RAX: ffffffff81487326 RBX: ffffea0002897ac0 RCX: ffff88808df3e040 [ 168.275258][ C0] RDX: ffffc90001f09000 RSI: 000000000003ffff RDI: 0000000000040000 [ 168.283237][ C0] RBP: ffffc90002667850 R08: dffffc0000000000 R09: fffffbfff12877ed [ 168.291209][ C0] R10: fffffbfff12877ed R11: 0000000000000000 R12: ffff8880a7d78420 [ 168.299283][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a7ff79a8 [ 168.307357][ C0] ? mod_memcg_page_state+0x16/0x190 [ 168.312724][ C0] ? free_thread_stack+0x124/0x590 [ 168.318098][ C0] ? mod_memcg_page_state+0x16/0x190 [ 168.323390][ C0] free_thread_stack+0x168/0x590 [ 168.328341][ C0] put_task_stack+0xa3/0x130 [ 168.333063][ C0] finish_task_switch+0x3f1/0x550 [ 168.338187][ C0] __schedule+0x9a8/0xcc0 [ 168.342698][ C0] ? ___preempt_schedule+0x16/0x18 [ 168.347800][ C0] preempt_schedule+0xdb/0x120 [ 168.352556][ C0] ___preempt_schedule+0x16/0x18 [ 168.357629][ C0] try_to_wake_up+0xe78/0x1050 [ 168.362588][ C0] wake_up_q+0x8c/0xe0 [ 168.366656][ C0] futex_wake+0x51c/0x6f0 [ 168.371220][ C0] do_futex+0x3f5/0x3d60 [ 168.375559][ C0] ? __lock_acquire+0xc75/0x1be0 [ 168.381001][ C0] ? __might_fault+0xf9/0x160 [ 168.385705][ C0] ? __might_fault+0xf9/0x160 [ 168.390619][ C0] ? check_preemption_disabled+0xb4/0x260 [ 168.396507][ C0] ? debug_smp_processor_id+0x9/0x20 [ 168.401833][ C0] __se_sys_futex+0x28c/0x360 [ 168.406957][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 168.412681][ C0] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 168.418665][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 168.424464][ C0] __x64_sys_futex+0xe5/0x100 [ 168.429143][ C0] do_syscall_64+0xf7/0x1c0 [ 168.433640][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.439783][ C0] RIP: 0033:0x45a679 [ 168.443669][ C0] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 168.463263][ C0] RSP: 002b:00007f7d6e991cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 168.471666][ C0] RAX: ffffffffffffffda RBX: 000000000075bf28 RCX: 000000000045a679 [ 168.479627][ C0] RDX: 00000000004c7565 RSI: 0000000000000081 RDI: 000000000075bf2c [ 168.488229][ C0] RBP: 000000000075bf20 R08: 0000000000000016 R09: 0000000000000000 [ 168.496298][ C0] R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000075bf2c [ 168.504527][ C0] R13: 00007ffe88d8f99f R14: 00007f7d6e9929c0 R15: 000000000075bf2c [ 168.512516][ C0] rcu: rcu_preempt kthread starved for 10540 jiffies! g6785 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 168.523777][ C0] rcu: RCU grace-period kthread stack dump: [ 168.529653][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 168.537549][ C0] Call Trace: [ 168.540926][ C0] __schedule+0x9a0/0xcc0 [ 168.545346][ C0] schedule+0x181/0x210 [ 168.549584][ C0] schedule_timeout+0x14f/0x240 [ 168.554446][ C0] ? run_local_timers+0x120/0x120 [ 168.559499][ C0] rcu_gp_kthread+0xed8/0x1770 [ 168.564292][ C0] kthread+0x332/0x350 [ 168.568351][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 168.573478][ C0] ? kthread_blkcg+0xe0/0xe0 [ 168.578166][ C0] ret_from_fork+0x24/0x30