[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 42.228641][ T25] audit: type=1800 audit(1575331113.770:25): pid=8016 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 42.249203][ T25] audit: type=1800 audit(1575331113.770:26): pid=8016 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.268984][ T25] audit: type=1800 audit(1575331113.770:27): pid=8016 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 '10.128.1.43' (ECDSA) to the list of known hosts. 2019/12/02 23:58:45 fuzzer started 2019/12/02 23:58:47 dialing manager at 10.128.0.26:38907 2019/12/02 23:58:47 syscalls: 2697 2019/12/02 23:58:47 code coverage: enabled 2019/12/02 23:58:47 comparison tracing: enabled 2019/12/02 23:58:47 extra coverage: extra coverage is not supported by the kernel 2019/12/02 23:58:47 setuid sandbox: enabled 2019/12/02 23:58:47 namespace sandbox: enabled 2019/12/02 23:58:47 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/02 23:58:47 fault injection: enabled 2019/12/02 23:58:47 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/02 23:58:47 net packet injection: enabled 2019/12/02 23:58:47 net device setup: enabled 2019/12/02 23:58:47 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/02 23:58:47 devlink PCI setup: PCI device 0000:00:10.0 is not available 23:58:48 executing program 0: bind$alg(0xffffffffffffffff, &(0x7f0000000100)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc-cast5-avx\x00'}, 0x58) r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000fc9000)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$KDGKBLED(r0, 0xc074510c, &(0x7f0000000100)) 23:58:48 executing program 1: r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) r1 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) r2 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x30}, 0xc) ftruncate(r2, 0x200004) listen(0xffffffffffffffff, 0x0) sendfile(r0, r2, 0x0, 0x80001d00c0d0) syzkaller login: [ 57.356988][ T8180] IPVS: ftp: loaded support on port[0] = 21 23:58:49 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000000000)=@broute={'broute\x00', 0x20, 0x1, 0x8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x200006c0], 0x0, 0x0, &(0x7f00000006c0)=ANY=[@ANYPTR64=&(0x7f00000000c0)=ANY=[]]}, 0x80) [ 57.510508][ T8182] IPVS: ftp: loaded support on port[0] = 21 [ 57.545225][ T8180] chnl_net:caif_netlink_parms(): no params data found [ 57.670375][ T8180] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.687214][ T8180] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.694955][ T8180] device bridge_slave_0 entered promiscuous mode [ 57.720171][ T8185] IPVS: ftp: loaded support on port[0] = 21 [ 57.726490][ T8180] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.734176][ T8180] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.743640][ T8180] device bridge_slave_1 entered promiscuous mode 23:58:49 executing program 3: r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket(0x18, 0x0, 0x0) getsockopt$SO_BINDTODEVICE(r1, 0x1, 0x28, &(0x7f0000000000), 0x20a154cc) [ 57.840363][ T8180] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.859381][ T8182] chnl_net:caif_netlink_parms(): no params data found [ 57.891670][ T8180] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.999277][ T8185] chnl_net:caif_netlink_parms(): no params data found [ 58.027837][ T8180] team0: Port device team_slave_0 added [ 58.039157][ T8182] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.046311][ T8182] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.054366][ T8182] device bridge_slave_0 entered promiscuous mode [ 58.068562][ T8190] IPVS: ftp: loaded support on port[0] = 21 23:58:49 executing program 4: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0xb3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000016000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) [ 58.090622][ T8180] team0: Port device team_slave_1 added [ 58.112432][ T8182] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.120476][ T8182] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.131067][ T8182] device bridge_slave_1 entered promiscuous mode [ 58.164969][ T8185] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.189537][ T8185] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.210195][ T8185] device bridge_slave_0 entered promiscuous mode 23:58:49 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000380)={0x2, 0x4e22, @dev}, 0x10) setsockopt$sock_int(r0, 0x1, 0x800000000f, &(0x7f0000000080)=0x100000001004, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_int(r1, 0x1, 0xf, &(0x7f0000000000)=0x5, 0x4) bind$inet6(r1, &(0x7f0000000080)={0xa, 0x4e22, 0x0, @ipv4={[], [], @dev}}, 0x1c) listen(r0, 0x0) [ 58.290090][ T8180] device hsr_slave_0 entered promiscuous mode [ 58.327445][ T8180] device hsr_slave_1 entered promiscuous mode [ 58.394798][ T8185] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.409692][ T8185] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.418112][ T8185] device bridge_slave_1 entered promiscuous mode [ 58.475653][ T8192] IPVS: ftp: loaded support on port[0] = 21 [ 58.483545][ T8182] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.495708][ T8182] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.514828][ T8195] IPVS: ftp: loaded support on port[0] = 21 [ 58.539981][ T8180] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.611176][ T8185] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.638884][ T8180] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.691836][ T8180] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.750602][ T8185] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.775800][ T8185] team0: Port device team_slave_0 added [ 58.783204][ T8182] team0: Port device team_slave_0 added [ 58.793600][ T8182] team0: Port device team_slave_1 added [ 58.799765][ T8180] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.844202][ T8185] team0: Port device team_slave_1 added [ 58.928834][ T8185] device hsr_slave_0 entered promiscuous mode [ 58.997541][ T8185] device hsr_slave_1 entered promiscuous mode [ 59.037629][ T8185] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.053648][ T8190] chnl_net:caif_netlink_parms(): no params data found [ 59.108835][ T8182] device hsr_slave_0 entered promiscuous mode [ 59.147412][ T8182] device hsr_slave_1 entered promiscuous mode [ 59.187222][ T8182] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.269511][ T8185] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.332511][ T8185] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.378866][ T8185] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.438924][ T8185] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.497418][ T8192] chnl_net:caif_netlink_parms(): no params data found [ 59.522092][ T8190] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.529324][ T8190] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.536905][ T8190] device bridge_slave_0 entered promiscuous mode [ 59.544948][ T8182] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.612192][ T8182] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.678306][ T8190] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.685407][ T8190] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.693773][ T8190] device bridge_slave_1 entered promiscuous mode [ 59.710695][ T8182] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.770505][ T8182] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.842974][ T8190] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.857480][ T8190] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.909352][ T8192] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.916471][ T8192] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.926373][ T8192] device bridge_slave_0 entered promiscuous mode [ 59.953341][ T8180] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.964552][ T8192] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.972347][ T8192] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.982599][ T8192] device bridge_slave_1 entered promiscuous mode [ 59.999761][ T8195] chnl_net:caif_netlink_parms(): no params data found [ 60.015199][ T8190] team0: Port device team_slave_0 added [ 60.034733][ T8190] team0: Port device team_slave_1 added [ 60.046201][ T8192] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.061456][ T8192] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.075571][ T8180] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.097115][ T8195] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.104520][ T8195] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.114766][ T8195] device bridge_slave_0 entered promiscuous mode [ 60.122914][ T8195] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.130030][ T8195] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.138040][ T8195] device bridge_slave_1 entered promiscuous mode [ 60.152753][ T3038] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.161637][ T3038] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.177233][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.186135][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.195127][ T8186] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.202426][ T8186] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.210605][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.219673][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.228152][ T8186] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.235187][ T8186] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.242887][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.251463][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.290816][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.307978][ T8185] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.350100][ T8190] device hsr_slave_0 entered promiscuous mode [ 60.387546][ T8190] device hsr_slave_1 entered promiscuous mode [ 60.447246][ T8190] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.456074][ T8195] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.468245][ T8192] team0: Port device team_slave_0 added [ 60.490518][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.499747][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.509141][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.517906][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.526580][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.538037][ T8195] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.554742][ T8182] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.565714][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.574334][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.583986][ T8192] team0: Port device team_slave_1 added [ 60.597946][ T8185] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.624872][ T8182] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.633163][ T3038] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.641213][ T3038] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.649986][ T3038] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.658492][ T3038] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.674971][ T8180] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.686209][ T8180] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.715140][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.723645][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.731915][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.740611][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.748952][ T8186] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.755970][ T8186] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.763749][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.772574][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.780957][ T8186] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.788037][ T8186] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.795685][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.804260][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.816307][ T8195] team0: Port device team_slave_0 added [ 60.826569][ T8195] team0: Port device team_slave_1 added [ 60.835053][ T8190] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.919668][ T8192] device hsr_slave_0 entered promiscuous mode [ 60.967427][ T8192] device hsr_slave_1 entered promiscuous mode [ 61.017185][ T8192] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.028238][ T3038] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.036861][ T3038] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.045370][ T3038] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.052441][ T3038] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.071464][ T8190] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.111340][ T8190] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.179676][ T3038] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.188824][ T3038] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.197780][ T3038] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.206242][ T3038] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.214784][ T3038] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.221837][ T3038] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.230382][ T3038] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.238041][ T3038] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.262387][ T8180] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.281630][ T8190] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.343776][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.353801][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.363239][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.373357][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.382354][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.390996][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.399740][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.408444][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.416525][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.425160][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.434143][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.442843][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.451350][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.460223][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.468784][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.476477][ T8198] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.548930][ T8195] device hsr_slave_0 entered promiscuous mode [ 61.587787][ T8195] device hsr_slave_1 entered promiscuous mode [ 61.627295][ T8195] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.654190][ T8185] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.662396][ T3038] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.682902][ T3038] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 166.707024][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 166.714021][ C0] (detected by 0, t=10502 jiffies, g=6229, q=104) [ 166.720526][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953809-4294943306), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 166.733866][ C0] kworker/0:2 R running task 27232 3038 2 0x80004008 [ 166.741771][ C0] Workqueue: rcu_gp srcu_invoke_callbacks [ 166.747477][ C0] Call Trace: [ 166.750747][ C0] [ 166.753592][ C0] sched_show_task+0x40f/0x560 [ 166.758351][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 166.763627][ C0] update_process_times+0x12d/0x180 [ 166.768813][ C0] tick_sched_timer+0x263/0x420 [ 166.773661][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.779192][ C0] __hrtimer_run_queues+0x403/0x840 [ 166.784390][ C0] hrtimer_interrupt+0x38c/0xda0 [ 166.789326][ C0] ? debug_smp_processor_id+0x9/0x20 [ 166.794599][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 166.800129][ C0] apic_timer_interrupt+0xf/0x20 [ 166.805045][ C0] [ 166.807970][ C0] RIP: 0010:free_thread_stack+0x18b/0x590 [ 166.813673][ C0] Code: ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 09 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 48 89 df e8 eb a3 69 00 48 8b 1b e9 82 ff ff ff e8 de 2c 2e [ 166.833284][ C0] RSP: 0018:ffffc90008097a28 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.841682][ C0] RAX: 1ffff11013e976d1 RBX: ffff88809f4bb688 RCX: ffff88809ed0a3c0 [ 166.849638][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000236ccc0 [ 166.857597][ C0] RBP: ffffc90008097a60 R08: 000000000003a768 R09: fffffbfff120248a [ 166.865551][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff88809f4bb720 [ 166.873532][ C0] R13: dffffc0000000000 R14: 1ffff11013e976e4 R15: ffff8880a8ed1568 [ 166.881509][ C0] ? free_thread_stack+0x168/0x590 [ 166.886608][ C0] put_task_stack+0xa3/0x130 [ 166.891185][ C0] finish_task_switch+0x3f1/0x550 [ 166.896200][ C0] __schedule+0x9a8/0xcc0 [ 166.900529][ C0] ? ___preempt_schedule+0x16/0x18 [ 166.905624][ C0] preempt_schedule+0xdb/0x120 [ 166.910373][ C0] ? local_bh_enable+0x4/0x20 [ 166.915170][ C0] ___preempt_schedule+0x16/0x18 [ 166.920120][ C0] ? mark_lock+0x107/0x1650 [ 166.924619][ C0] __local_bh_enable_ip+0x17d/0x240 [ 166.929832][ C0] local_bh_enable+0x15/0x20 [ 166.934407][ C0] srcu_invoke_callbacks+0x18c/0x320 [ 166.939704][ C0] process_one_work+0x7ef/0x10d0 [ 166.944643][ C0] worker_thread+0xc01/0x1630 [ 166.949327][ C0] kthread+0x332/0x350 [ 166.953378][ C0] ? rcu_lock_release+0x30/0x30 [ 166.958231][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.962810][ C0] ret_from_fork+0x24/0x30 [ 166.967229][ C0] rcu: rcu_preempt kthread starved for 10528 jiffies! g6229 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.978307][ C0] rcu: RCU grace-period kthread stack dump: [ 166.984382][ C0] rcu_preempt R running task 28992 10 2 0x80004000 [ 166.992280][ C0] Call Trace: [ 166.995555][ C0] __schedule+0x9a0/0xcc0 [ 166.999884][ C0] schedule+0x181/0x210 [ 167.004027][ C0] schedule_timeout+0x14f/0x240 [ 167.008861][ C0] ? run_local_timers+0x120/0x120 [ 167.013874][ C0] rcu_gp_kthread+0xed8/0x1770 [ 167.018636][ C0] kthread+0x332/0x350 [ 167.022690][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 167.027787][ C0] ? kthread_blkcg+0xe0/0xe0 [ 167.032364][ C0] ret_from_fork+0x24/0x30