[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 43.130910][ T23] audit: type=1800 audit(1575405889.888:25): pid=8026 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.149894][ T23] audit: type=1800 audit(1575405889.888:26): pid=8026 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.196627][ T23] audit: type=1800 audit(1575405889.888:27): pid=8026 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 '10.128.0.10' (ECDSA) to the list of known hosts. 2019/12/03 20:45:00 fuzzer started 2019/12/03 20:45:01 dialing manager at 10.128.0.26:42111 2019/12/03 20:45:01 syscalls: 2689 2019/12/03 20:45:01 code coverage: enabled 2019/12/03 20:45:01 comparison tracing: enabled 2019/12/03 20:45:01 extra coverage: extra coverage is not supported by the kernel 2019/12/03 20:45:01 setuid sandbox: enabled 2019/12/03 20:45:01 namespace sandbox: enabled 2019/12/03 20:45:01 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 20:45:01 fault injection: enabled 2019/12/03 20:45:01 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 20:45:01 net packet injection: enabled 2019/12/03 20:45:01 net device setup: enabled 2019/12/03 20:45:01 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 20:45:01 devlink PCI setup: PCI device 0000:00:10.0 is not available 20:45:02 executing program 0: madvise(&(0x7f0000a93000/0x4000)=nil, 0x4000, 0x2) mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) madvise(&(0x7f00003cc000/0x2000)=nil, 0x2000, 0x2) 20:45:02 executing program 1: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0xeb, 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, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f00000000c0)="2e0000002700050fd25a80648c63940d0300fc00100009400a000000053582c137153e370900018000f01700d1bd", 0x2e}], 0x1}, 0x0) syzkaller login: [ 56.310675][ T8188] IPVS: ftp: loaded support on port[0] = 21 [ 56.365304][ T8190] IPVS: ftp: loaded support on port[0] = 21 20:45:03 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x800000000000002, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @dev, 0x8}, 0x1c) syz_open_dev$sndpcmp(&(0x7f0000000040)='/dev/snd/pcmC#D#p\x00', 0xfffffff8, 0x20000) r1 = socket$inet6(0xa, 0x100000000000001, 0x84) r2 = socket$inet(0x2, 0x80001, 0x84) r3 = creat(&(0x7f0000000080)='./file0/file0\x00', 0x0) pwrite64(r3, &(0x7f0000000080), 0x1026b, 0x2f) sendmsg$TIPC_CMD_SHOW_STATS(r3, &(0x7f0000000180)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x810}, 0xc, 0x0}, 0x24040002) getsockopt$inet_sctp_SCTP_MAX_BURST(r2, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f0000000100)={r4}, 0x8) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/vga_arbiter\x00', 0x113844, 0x0) sendmmsg(r0, &(0x7f0000002780)=[{{0x0, 0x363, &(0x7f0000000200)=[{&(0x7f0000000140), 0x304}], 0x8}, 0x2}], 0x13, 0x24000004) [ 56.565224][ T8188] chnl_net:caif_netlink_parms(): no params data found [ 56.589193][ T8190] chnl_net:caif_netlink_parms(): no params data found [ 56.670377][ T8194] IPVS: ftp: loaded support on port[0] = 21 [ 56.685725][ T8188] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.696646][ T8188] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.705121][ T8188] device bridge_slave_0 entered promiscuous mode 20:45:03 executing program 3: bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000040)={&(0x7f0000000000)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x14, 0x14, 0x2, [@func_proto={0x0, 0x1, 0x0, 0xd, 0x0, [{0x0, 0x1}]}]}}, &(0x7f00000003c0)=""/219, 0x2e, 0xdb, 0x8}, 0x20) [ 56.722012][ T8190] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.731119][ T8190] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.739194][ T8190] device bridge_slave_0 entered promiscuous mode [ 56.755402][ T8188] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.763605][ T8188] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.771458][ T8188] device bridge_slave_1 entered promiscuous mode [ 56.780204][ T8190] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.787850][ T8190] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.796067][ T8190] device bridge_slave_1 entered promiscuous mode [ 56.847158][ T8188] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.864639][ T8190] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.881809][ T8188] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.907186][ T8190] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.975646][ T8188] team0: Port device team_slave_0 added [ 56.988282][ T8190] team0: Port device team_slave_0 added [ 56.997817][ T8190] team0: Port device team_slave_1 added [ 57.010401][ T8188] team0: Port device team_slave_1 added [ 57.021298][ T8194] chnl_net:caif_netlink_parms(): no params data found [ 57.036385][ T8197] IPVS: ftp: loaded support on port[0] = 21 20:45:03 executing program 4: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'aead\x00', 0x0, 0x0, 'aegis128-generic\x00'}, 0x58) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) io_setup(0x20000000001005, &(0x7f0000000880)=0x0) io_submit(r2, 0x1, &(0x7f0000001440)=[&(0x7f0000000200)={0x5000000, 0x0, 0x700000000000000, 0x8, 0x0, r1, 0x0}]) [ 57.127652][ T8188] device hsr_slave_0 entered promiscuous mode [ 57.184614][ T8188] device hsr_slave_1 entered promiscuous mode 20:45:04 executing program 5: unshare(0x24020400) r0 = socket$kcm(0xa, 0x2, 0x73) bind(r0, 0x0, 0x0) [ 57.265356][ T8190] device hsr_slave_0 entered promiscuous mode [ 57.323753][ T8190] device hsr_slave_1 entered promiscuous mode [ 57.372972][ T8190] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.409442][ T8201] IPVS: ftp: loaded support on port[0] = 21 [ 57.415659][ T8199] IPVS: ftp: loaded support on port[0] = 21 [ 57.460937][ T8194] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.468320][ T8194] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.476049][ T8194] device bridge_slave_0 entered promiscuous mode [ 57.510035][ T8194] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.517342][ T8194] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.525039][ T8194] device bridge_slave_1 entered promiscuous mode [ 57.538612][ T8188] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.597346][ T8188] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.656998][ T8188] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.716109][ T8188] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.769252][ T8190] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.845571][ T8190] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.884208][ T8190] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.935165][ T8194] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.948451][ T8194] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.965988][ T8190] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.029413][ T8194] team0: Port device team_slave_0 added [ 58.036658][ T8194] team0: Port device team_slave_1 added [ 58.106328][ T8194] device hsr_slave_0 entered promiscuous mode [ 58.152911][ T8194] device hsr_slave_1 entered promiscuous mode [ 58.202712][ T8194] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.278869][ T8197] chnl_net:caif_netlink_parms(): no params data found [ 58.293632][ T8201] chnl_net:caif_netlink_parms(): no params data found [ 58.337542][ T8199] chnl_net:caif_netlink_parms(): no params data found [ 58.347040][ T8194] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.430175][ T8194] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.495655][ T8194] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.544787][ T8194] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.624000][ T8197] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.631162][ T8197] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.639671][ T8197] device bridge_slave_0 entered promiscuous mode [ 58.655732][ T8199] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.663089][ T8199] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.670797][ T8199] device bridge_slave_0 entered promiscuous mode [ 58.678749][ T8199] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.685914][ T8199] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.694105][ T8199] device bridge_slave_1 entered promiscuous mode [ 58.705382][ T8197] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.712459][ T8197] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.720934][ T8197] device bridge_slave_1 entered promiscuous mode [ 58.728060][ T8201] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.738751][ T8201] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.746493][ T8201] device bridge_slave_0 entered promiscuous mode [ 58.776815][ T8199] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.788050][ T8199] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.797803][ T8201] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.805723][ T8201] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.813755][ T8201] device bridge_slave_1 entered promiscuous mode [ 58.826722][ T8188] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.850533][ T8199] team0: Port device team_slave_0 added [ 58.859337][ T8199] team0: Port device team_slave_1 added [ 58.880137][ T8188] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.889067][ T8197] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.906891][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.916023][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.930596][ T8201] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.942172][ T8197] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.004261][ T8199] device hsr_slave_0 entered promiscuous mode [ 59.053345][ T8199] device hsr_slave_1 entered promiscuous mode [ 59.092732][ T8199] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.105996][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.114894][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.123431][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.130573][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.140268][ T8201] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.168408][ T8201] team0: Port device team_slave_0 added [ 59.178153][ T8201] team0: Port device team_slave_1 added [ 59.186880][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.210913][ T8190] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.264450][ T8201] device hsr_slave_0 entered promiscuous mode [ 59.313079][ T8201] device hsr_slave_1 entered promiscuous mode [ 59.352778][ T8201] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.361986][ T8197] team0: Port device team_slave_0 added [ 59.369331][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.381031][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.389591][ T2722] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.396794][ T2722] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.423906][ T8197] team0: Port device team_slave_1 added [ 59.436545][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.446158][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.454878][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.463608][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.471831][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.480676][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.489264][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.539559][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.547489][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.558910][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.567344][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.580676][ T8190] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.587599][ T8199] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.623957][ T8201] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.665240][ T8201] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.705253][ T8201] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 59.775199][ T8197] device hsr_slave_0 entered promiscuous mode [ 59.813035][ T8197] device hsr_slave_1 entered promiscuous mode [ 59.852804][ T8197] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.864180][ T8199] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.924777][ T8199] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.964310][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.975760][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.984014][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.992418][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.001335][ T2722] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.008448][ T2722] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.016595][ T2722] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.024675][ T8201] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 60.078441][ T8188] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.087145][ T8199] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.122224][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.131174][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.139930][ T3108] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.147022][ T3108] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.160731][ T8206] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.169590][ T8206] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.201097][ T8194] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.212601][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.222216][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.231556][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.241497][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.250191][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.257924][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.266085][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.280377][ T8188] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.293275][ T8206] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.301655][ T8206] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.319540][ T8197] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.347702][ T8197] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.395808][ T8197] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.434781][ T8197] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.482762][ T8206] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.491591][ T8206] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.500145][ T8206] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.507861][ T8206] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.518184][ T8190] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.533576][ T8194] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.554947][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 165.562520][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 165.569657][ C1] (detected by 1, t=10502 jiffies, g=6221, q=143) [ 165.576242][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953702-4294943199), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 165.591413][ C1] rcu_preempt R running task 29032 10 2 0x80004008 [ 165.599531][ C1] Call Trace: [ 165.604638][ C1] [ 165.607504][ C1] sched_show_task+0x40f/0x560 [ 165.612280][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 165.617707][ C1] update_process_times+0x12d/0x180 [ 165.623817][ C1] tick_sched_timer+0x263/0x420 [ 165.630210][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.636489][ C1] __hrtimer_run_queues+0x403/0x840 [ 165.641809][ C1] hrtimer_interrupt+0x38c/0xda0 [ 165.646875][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.652164][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.658009][ C1] apic_timer_interrupt+0xf/0x20 [ 165.662936][ C1] [ 165.665875][ C1] RIP: 0010:free_thread_stack+0x13d/0x590 [ 165.671624][ 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 [ 165.691229][ C1] RSP: 0018:ffffc90000d0fc48 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.699630][ C1] RAX: 0000000000000001 RBX: ffffea0002618e80 RCX: 0000000000000000 [ 165.707606][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002618e80 [ 165.715586][ C1] RBP: ffffc90000d0fc80 R08: dffffc0000000000 R09: fffffbfff12877ed [ 165.723559][ C1] R10: fffffbfff12877ed R11: 0000000000000000 R12: ffff88809adf6f20 [ 165.731519][ C1] R13: dffffc0000000000 R14: 1ffff110135bede4 R15: ffff8880973b93e8 [ 165.739513][ C1] ? free_thread_stack+0x12e/0x590 [ 165.744941][ C1] put_task_stack+0xa3/0x130 [ 165.749672][ C1] finish_task_switch+0x3f1/0x550 [ 165.754936][ C1] __schedule+0x9a8/0xcc0 [ 165.759641][ C1] schedule+0x181/0x210 [ 165.766331][ C1] schedule_timeout+0x14f/0x240 [ 165.771193][ C1] ? run_local_timers+0x120/0x120 [ 165.776233][ C1] rcu_gp_kthread+0xed8/0x1770 [ 165.781023][ C1] kthread+0x332/0x350 [ 165.785544][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 165.790750][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.795334][ C1] ret_from_fork+0x24/0x30 [ 165.799753][ C1] rcu: rcu_preempt kthread starved for 10525 jiffies! g6221 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 165.810921][ C1] rcu: RCU grace-period kthread stack dump: [ 165.817082][ C1] rcu_preempt R running task 29032 10 2 0x80004008 [ 165.825108][ C1] Call Trace: [ 165.828767][ C1] [ 165.831754][ C1] sched_show_task+0x40f/0x560 [ 165.837028][ C1] rcu_check_gp_kthread_starvation+0x170/0x1b0 [ 165.843188][ C1] rcu_sched_clock_irq+0x17d3/0x1ad0 [ 165.848480][ C1] update_process_times+0x12d/0x180 [ 165.853897][ C1] tick_sched_timer+0x263/0x420 [ 165.858800][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.864369][ C1] __hrtimer_run_queues+0x403/0x840 [ 165.869576][ C1] hrtimer_interrupt+0x38c/0xda0 [ 165.875040][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.880668][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.886220][ C1] apic_timer_interrupt+0xf/0x20 [ 165.891155][ C1] [ 165.894112][ C1] RIP: 0010:free_thread_stack+0x13d/0x590 [ 165.900034][ 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 [ 165.919639][ C1] RSP: 0018:ffffc90000d0fc48 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.928040][ C1] RAX: 0000000000000001 RBX: ffffea0002618e80 RCX: 0000000000000000 [ 165.935997][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002618e80 [ 165.943969][ C1] RBP: ffffc90000d0fc80 R08: dffffc0000000000 R09: fffffbfff12877ed [ 165.951931][ C1] R10: fffffbfff12877ed R11: 0000000000000000 R12: ffff88809adf6f20 [ 165.959909][ C1] R13: dffffc0000000000 R14: 1ffff110135bede4 R15: ffff8880973b93e8 [ 165.967982][ C1] ? free_thread_stack+0x12e/0x590 [ 165.973084][ C1] put_task_stack+0xa3/0x130 [ 165.977661][ C1] finish_task_switch+0x3f1/0x550 [ 165.982680][ C1] __schedule+0x9a8/0xcc0 [ 165.987985][ C1] schedule+0x181/0x210 [ 165.992486][ C1] schedule_timeout+0x14f/0x240 [ 165.997324][ C1] ? run_local_timers+0x120/0x120 [ 166.002339][ C1] rcu_gp_kthread+0xed8/0x1770 [ 166.007099][ C1] kthread+0x332/0x350 [ 166.011153][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 166.016260][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.021457][ C1] ret_from_fork+0x24/0x30