[ 42.539527][ T23] audit: type=1800 audit(1575360689.513:26): pid=8036 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.559400][ T23] audit: type=1800 audit(1575360689.513:27): pid=8036 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.591733][ T23] audit: type=1800 audit(1575360689.523:28): pid=8036 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. [ 43.417357][ T23] audit: type=1800 audit(1575360690.403:29): pid=8036 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.147' (ECDSA) to the list of known hosts. 2019/12/03 08:11:39 fuzzer started 2019/12/03 08:11:41 dialing manager at 10.128.0.26:38907 2019/12/03 08:11:41 syscalls: 2697 2019/12/03 08:11:41 code coverage: enabled 2019/12/03 08:11:41 comparison tracing: enabled 2019/12/03 08:11:41 extra coverage: extra coverage is not supported by the kernel 2019/12/03 08:11:41 setuid sandbox: enabled 2019/12/03 08:11:41 namespace sandbox: enabled 2019/12/03 08:11:41 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 08:11:41 fault injection: enabled 2019/12/03 08:11:41 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 08:11:41 net packet injection: enabled 2019/12/03 08:11:41 net device setup: enabled 2019/12/03 08:11:41 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 08:11:41 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:11:42 executing program 0: bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x8, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x15}, [@ldst={0x3, 0x3, 0x3, 0xa, 0x0, 0xff00}]}, &(0x7f0000003ff6)='G\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x1f2, 0x10, &(0x7f0000000000), 0xfffffe51}, 0x48) 08:11:42 executing program 1: getpid() sched_setscheduler(0x0, 0x0, 0x0) fcntl$getownex(0xffffffffffffffff, 0x10, 0x0) accept$packet(0xffffffffffffffff, 0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10012, r0, 0x0) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f0000000400)={0x0, 0x0, r0}) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10012, 0xffffffffffffffff, 0x0) r1 = syz_init_net_socket$nfc_llcp(0x27, 0x1, 0x1) setsockopt$nfc_llcp_NFC_LLCP_RW(r1, 0x118, 0x0, &(0x7f0000000000)=0x7ff, 0x4) syzkaller login: [ 55.801365][ T8201] IPVS: ftp: loaded support on port[0] = 21 [ 55.874421][ T8203] IPVS: ftp: loaded support on port[0] = 21 08:11:43 executing program 2: r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)) r1 = socket$netlink(0x10, 0x3, 0x0) getsockopt$netlink(r1, 0x10e, 0x800000000b, &(0x7f00007e0000)=""/4, &(0x7f0000000000)=0xfead) ioctl$UFFDIO_REGISTER(r0, 0xc028aa03, &(0x7f00000a0fe0)={{&(0x7f00005e3000/0x800000)=nil, 0x20ce6000}, 0x200000}) [ 56.025260][ T8201] chnl_net:caif_netlink_parms(): no params data found [ 56.047824][ T8203] chnl_net:caif_netlink_parms(): no params data found [ 56.117104][ T8201] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.125088][ T8201] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.136235][ T8201] device bridge_slave_0 entered promiscuous mode [ 56.148876][ T8201] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.156347][ T8201] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.164888][ T8201] device bridge_slave_1 entered promiscuous mode [ 56.188092][ T8201] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.210909][ T8203] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.220950][ T8203] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.228681][ T8203] device bridge_slave_0 entered promiscuous mode [ 56.247633][ T8201] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.262947][ T8203] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.270053][ T8203] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.284421][ T8207] IPVS: ftp: loaded support on port[0] = 21 [ 56.295156][ T8203] device bridge_slave_1 entered promiscuous mode 08:11:43 executing program 3: bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000380)=ANY=[@ANYBLOB="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"], &(0x7f0000000340)='syzkaller\x00'}, 0x48) [ 56.345333][ T8201] team0: Port device team_slave_0 added [ 56.364510][ T8201] team0: Port device team_slave_1 added [ 56.375040][ T8203] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.392563][ T8203] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 08:11:43 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000440)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000180)) syz_open_pts(r0, 0x0) pipe(&(0x7f0000000280)) write(0xffffffffffffffff, 0x0, 0x0) socket$inet(0x10, 0x3, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) clock_gettime(0x0, 0x0) pselect6(0x1e9, &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000140)={0x1b7, 0x0, 0x0, 0x1000000000000}, &(0x7f0000000200), &(0x7f0000000300)={&(0x7f0000000080), 0x8}) vmsplice(0xffffffffffffffff, 0x0, 0x0, 0x0) [ 56.523453][ T8201] device hsr_slave_0 entered promiscuous mode [ 56.563042][ T8201] device hsr_slave_1 entered promiscuous mode [ 56.630052][ T8203] team0: Port device team_slave_0 added [ 56.685911][ T8203] team0: Port device team_slave_1 added [ 56.747346][ T8209] IPVS: ftp: loaded support on port[0] = 21 08:11:43 executing program 5: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'nr0\x01\x00', 0x7132}) ioctl$SIOCGIFHWADDR(r0, 0x8927, &(0x7f0000000280)) [ 56.854843][ T8203] device hsr_slave_0 entered promiscuous mode [ 56.921117][ T8203] device hsr_slave_1 entered promiscuous mode [ 56.961059][ T8203] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.969349][ T8201] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.023749][ T8201] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.084305][ T8201] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.134204][ T8201] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.207121][ T8207] chnl_net:caif_netlink_parms(): no params data found [ 57.223887][ T8212] IPVS: ftp: loaded support on port[0] = 21 [ 57.262500][ T8203] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.294323][ T8203] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.366959][ T8214] IPVS: ftp: loaded support on port[0] = 21 [ 57.378695][ T8207] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.389627][ T8207] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.398663][ T8207] device bridge_slave_0 entered promiscuous mode [ 57.408874][ T8207] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.416122][ T8207] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.424154][ T8207] device bridge_slave_1 entered promiscuous mode [ 57.433444][ T8203] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.483421][ T8203] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.589064][ T8207] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.614756][ T8207] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.648658][ T8207] team0: Port device team_slave_0 added [ 57.660558][ T8207] team0: Port device team_slave_1 added [ 57.734502][ T8207] device hsr_slave_0 entered promiscuous mode [ 57.791133][ T8207] device hsr_slave_1 entered promiscuous mode [ 57.840922][ T8207] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.936825][ T8201] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.975387][ T8209] chnl_net:caif_netlink_parms(): no params data found [ 58.015977][ T8212] chnl_net:caif_netlink_parms(): no params data found [ 58.037187][ T8207] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.086755][ T8207] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.135108][ T8203] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.166855][ T8209] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.175728][ T8209] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.183658][ T8209] device bridge_slave_0 entered promiscuous mode [ 58.190828][ T8207] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.235775][ T8207] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.288862][ T8212] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.296726][ T8212] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.305197][ T8212] device bridge_slave_0 entered promiscuous mode [ 58.313552][ T8209] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.321623][ T8209] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.329925][ T8209] device bridge_slave_1 entered promiscuous mode [ 58.341080][ T3834] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.349541][ T3834] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.357814][ T3834] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.366389][ T3834] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.378867][ T8201] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.388419][ T8212] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.396749][ T8212] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.405412][ T8212] device bridge_slave_1 entered promiscuous mode [ 58.425778][ T8203] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.437678][ T8214] chnl_net:caif_netlink_parms(): no params data found [ 58.469298][ T8212] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.487625][ T8209] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.498910][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.508259][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.517189][ T8215] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.524659][ T8215] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.533225][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.542124][ T8214] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.549600][ T8214] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.558155][ T8214] device bridge_slave_0 entered promiscuous mode [ 58.569699][ T8212] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.591499][ T8209] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.613347][ T8214] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.621041][ T8214] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.628833][ T8214] device bridge_slave_1 entered promiscuous mode [ 58.651778][ T3834] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.661790][ T3834] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.670153][ T3834] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.687399][ T3834] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.696327][ T3834] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.705573][ T3834] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.715003][ T3834] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.722410][ T3834] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.729943][ T3834] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.739173][ T3834] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.747771][ T3834] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.755371][ T3834] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.763745][ T3834] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.772748][ T3834] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.781517][ T3834] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.797303][ T8209] team0: Port device team_slave_0 added [ 58.807649][ T8209] team0: Port device team_slave_1 added [ 58.838255][ T2913] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.847214][ T2913] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.858742][ T2913] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.867206][ T2913] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.878564][ T8212] team0: Port device team_slave_0 added [ 58.953604][ T8209] device hsr_slave_0 entered promiscuous mode [ 59.002153][ T8209] device hsr_slave_1 entered promiscuous mode [ 59.051015][ T8209] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.061403][ T8214] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.074521][ T8214] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.086645][ T2913] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.095349][ T2913] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.104645][ T2913] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.114897][ T8212] team0: Port device team_slave_1 added [ 59.141888][ T8214] team0: Port device team_slave_0 added [ 59.149402][ T8214] team0: Port device team_slave_1 added [ 59.163201][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.172082][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.208165][ T8203] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.220249][ T8203] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.272820][ T8214] device hsr_slave_0 entered promiscuous mode [ 59.311403][ T8214] device hsr_slave_1 entered promiscuous mode [ 59.361706][ T8214] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.422535][ T8212] device hsr_slave_0 entered promiscuous mode [ 59.461184][ T8212] device hsr_slave_1 entered promiscuous mode [ 59.500856][ T8212] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.509497][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.518164][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.530459][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.539386][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.549450][ T8209] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.602674][ T8209] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.664970][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.695574][ T8209] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.758666][ T8209] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.811080][ T8214] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.845243][ T8214] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.893574][ T2913] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.902408][ T2913] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.911532][ T2913] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.919957][ T2913] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.933852][ T8201] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.946425][ T8201] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.956669][ T8212] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.012462][ T8212] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.082073][ T8214] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 60.123465][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.133417][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.142589][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.151297][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.164415][ T8203] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.172968][ T8212] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.224811][ T8212] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.294795][ T8214] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 60.353851][ T8201] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.371829][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.379329][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.417695][ T8207] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.519758][ T8207] 8021q: adding VLAN 0 to HW filter on device team0 [ 165.540665][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 165.548274][ C0] (detected by 0, t=10502 jiffies, g=6257, q=201) [ 165.554773][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953696-4294943193), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 165.568137][ C0] syz-executor.2 R running task 24552 8207 8206 0x0000400a [ 165.576029][ C0] Call Trace: [ 165.579399][ C0] [ 165.582245][ C0] sched_show_task+0x40f/0x560 [ 165.587001][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 165.592281][ C0] update_process_times+0x12d/0x180 [ 165.597467][ C0] tick_sched_timer+0x263/0x420 [ 165.602311][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.607848][ C0] __hrtimer_run_queues+0x403/0x840 [ 165.613057][ C0] hrtimer_interrupt+0x38c/0xda0 [ 165.618009][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.623285][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 165.628816][ C0] apic_timer_interrupt+0xf/0x20 [ 165.633832][ C0] [ 165.636761][ C0] RIP: 0010:free_thread_stack+0x151/0x590 [ 165.642466][ C0] Code: 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 48 89 df e8 25 a4 69 00 48 8b 3b be fc ff ff ff e8 28 04 00 [ 165.662093][ C0] RSP: 0018:ffffc90002336eb0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.671304][ C0] RAX: 1ffff11014c52f01 RBX: ffff8880a6297808 RCX: 0000000000000000 [ 165.679270][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00028c5440 [ 165.687233][ C0] RBP: ffffc90002336ee8 R08: dffffc0000000000 R09: fffffbfff120248a [ 165.695193][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880a62978a0 [ 165.703772][ C0] R13: dffffc0000000000 R14: 1ffff11014c52f14 R15: ffff888095e41868 [ 165.711933][ C0] put_task_stack+0xa3/0x130 [ 165.716513][ C0] finish_task_switch+0x3f1/0x550 [ 165.721530][ C0] __schedule+0x9a8/0xcc0 [ 165.725869][ C0] ? ___preempt_schedule+0x16/0x18 [ 165.730987][ C0] preempt_schedule+0xdb/0x120 [ 165.735751][ C0] ___preempt_schedule+0x16/0x18 [ 165.740675][ C0] ? vprintk_emit+0x2fe/0x3a0 [ 165.745350][ C0] ? vprintk_emit+0x368/0x3a0 [ 165.750026][ C0] vprintk_emit+0x36d/0x3a0 [ 165.754559][ C0] vprintk_default+0x28/0x30 [ 165.759172][ C0] vprintk_func+0x158/0x170 [ 165.763676][ C0] printk+0x62/0x8d [ 165.767522][ C0] ? vlan_device_event+0x160/0x1df0 [ 165.773174][ C0] ? vlan_device_event+0xe9/0x1df0 [ 165.778290][ C0] vlan_device_event+0x1cbf/0x1df0 [ 165.783485][ C0] ? do_raw_spin_unlock+0x136/0x260 [ 165.788674][ C0] ? _raw_spin_unlock+0x27/0x40 [ 165.793511][ C0] ? j1939_netdev_notify+0x216/0x2d0 [ 165.798803][ C0] raw_notifier_call_chain+0xec/0x190 [ 165.804178][ C0] __dev_notify_flags+0x24d/0x4d0 [ 165.809194][ C0] dev_change_flags+0xec/0x190 [ 165.813949][ C0] do_setlink+0xb2e/0x3960 [ 165.818373][ C0] ? __nla_validate_parse+0x18cd/0x1f40 [ 165.823936][ C0] ? __kasan_check_read+0x11/0x20 [ 165.828969][ C0] rtnl_newlink+0x14dd/0x1bd0 [ 165.833645][ C0] ? rtnl_newlink+0x371/0x1bd0 [ 165.838979][ C0] ? __mutex_lock_common+0x4f5/0x2e10 [ 165.844337][ C0] ? rtnetlink_rcv_msg+0x83c/0xd40 [ 165.849431][ C0] ? rcu_lock_release+0x9/0x30 [ 165.854193][ C0] ? rtnl_setlink+0x490/0x490 [ 165.858855][ C0] rtnetlink_rcv_msg+0x889/0xd40 [ 165.863796][ C0] ? rcu_lock_release+0x9/0x30 [ 165.868546][ C0] ? rcu_lock_release+0x9/0x30 [ 165.873393][ C0] ? rcu_lock_release+0x9/0x30 [ 165.878152][ C0] netlink_rcv_skb+0x19e/0x3d0 [ 165.882900][ C0] ? rtnetlink_bind+0x80/0x80 [ 165.887568][ C0] rtnetlink_rcv+0x1c/0x20 [ 165.891971][ C0] netlink_unicast+0x767/0x920 [ 165.896733][ C0] netlink_sendmsg+0xa21/0xd40 [ 165.901666][ C0] ? netlink_getsockopt+0x9f0/0x9f0 [ 165.906888][ C0] __sys_sendto+0x442/0x5e0 [ 165.911407][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 165.917498][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 165.923251][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 165.928705][ C0] __x64_sys_sendto+0xe5/0x100 [ 165.933461][ C0] do_syscall_64+0xf7/0x1c0 [ 165.937995][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.943875][ C0] RIP: 0033:0x414373 [ 165.947759][ C0] Code: ff 0f 83 b0 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d fd 40 66 00 00 75 17 49 89 ca b8 2c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 81 19 00 00 c3 48 83 ec 08 e8 87 fa ff ff [ 165.967350][ C0] RSP: 002b:00007ffe68a30768 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 165.975749][ C0] RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000414373 [ 165.983708][ C0] RDX: 000000000000002c RSI: 0000000000a72250 RDI: 0000000000000003 [ 165.991782][ C0] RBP: 0000000000000000 R08: 00007ffe68a30770 R09: 000000000000000c [ 165.999761][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 166.007813][ C0] R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003 [ 166.015796][ C0] rcu: rcu_preempt kthread starved for 10549 jiffies! g6257 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.026877][ C0] rcu: RCU grace-period kthread stack dump: [ 166.032764][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 166.040736][ C0] Call Trace: [ 166.044017][ C0] __schedule+0x9a0/0xcc0 [ 166.048342][ C0] schedule+0x181/0x210 [ 166.052485][ C0] schedule_timeout+0x14f/0x240 [ 166.057327][ C0] ? run_local_timers+0x120/0x120 [ 166.062344][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.067118][ C0] kthread+0x332/0x350 [ 166.072736][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.077833][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.082410][ C0] ret_from_fork+0x24/0x30