[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 52.623956][ T26] audit: type=1800 audit(1578453173.725:25): pid=8352 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 52.642755][ T26] audit: type=1800 audit(1578453173.735:26): pid=8352 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 52.696452][ T26] audit: type=1800 audit(1578453173.735:27): pid=8352 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 '10.128.1.11' (ECDSA) to the list of known hosts. 2020/01/08 03:13:02 fuzzer started 2020/01/08 03:13:04 dialing manager at 10.128.0.26:35703 2020/01/08 03:13:04 syscalls: 2824 2020/01/08 03:13:04 code coverage: enabled 2020/01/08 03:13:04 comparison tracing: enabled 2020/01/08 03:13:04 extra coverage: enabled 2020/01/08 03:13:04 setuid sandbox: enabled 2020/01/08 03:13:04 namespace sandbox: enabled 2020/01/08 03:13:04 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:13:04 fault injection: enabled 2020/01/08 03:13:04 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:13:04 net packet injection: enabled 2020/01/08 03:13:04 net device setup: enabled 2020/01/08 03:13:04 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:13:04 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:13:05 executing program 0: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x8000000a, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f0000000100)="6653a8990785363940aed12f0000db2f00", 0x11}], 0x4, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x3c) ptrace$cont(0x18, r0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r0, 0x0, 0x0) 03:13:05 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) getsockopt$sock_buf(r3, 0x1, 0x1c, 0x0, &(0x7f0000000100)=0x8) syzkaller login: [ 64.231814][ T8525] IPVS: ftp: loaded support on port[0] = 21 [ 64.394414][ T8525] chnl_net:caif_netlink_parms(): no params data found [ 64.395987][ T8528] IPVS: ftp: loaded support on port[0] = 21 [ 64.470405][ T8525] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.478972][ T8525] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.487117][ T8525] device bridge_slave_0 entered promiscuous mode 03:13:05 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = socket$inet_sctp(0x2, 0x5, 0x84) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = socket$alg(0x26, 0x5, 0x0) bind$alg(r4, &(0x7f0000000400)={0x26, 'hash\x00', 0x0, 0x0, 'crct10dif-generic\x00'}, 0x58) r5 = accept4(r4, 0x0, 0x0, 0x0) splice(r5, 0x0, r3, 0x0, 0x80000001, 0x0) [ 64.511553][ T8525] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.525068][ T8525] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.532581][ T8525] device bridge_slave_1 entered promiscuous mode [ 64.603277][ T8525] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.649078][ T8525] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.670026][ T8528] chnl_net:caif_netlink_parms(): no params data found [ 64.732418][ T8525] team0: Port device team_slave_0 added [ 64.742297][ T8525] team0: Port device team_slave_1 added [ 64.750126][ T8528] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.759923][ T8528] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.768939][ T8528] device bridge_slave_0 entered promiscuous mode 03:13:05 executing program 3: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000004fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = socket$inet6_sctp(0xa, 0x80000000000001, 0x84) getsockopt$inet6_int(r1, 0x29, 0x3c, 0x0, &(0x7f0000013000)=0xffffffffffffff85) mmap(&(0x7f0000000000/0xfe3000)=nil, 0xfe3000, 0x3, 0x32, 0xffffffffffffffff, 0x0) close(r0) [ 64.791451][ T8528] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.804383][ T8528] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.812283][ T8528] device bridge_slave_1 entered promiscuous mode [ 64.867839][ T8525] device hsr_slave_0 entered promiscuous mode [ 64.934788][ T8525] device hsr_slave_1 entered promiscuous mode [ 64.981457][ T8531] IPVS: ftp: loaded support on port[0] = 21 03:13:06 executing program 4: r0 = socket$rxrpc(0x21, 0x2, 0x2) close(r0) [ 65.030665][ T8528] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.049200][ T8533] IPVS: ftp: loaded support on port[0] = 21 [ 65.098103][ T8528] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.183685][ T8528] team0: Port device team_slave_0 added [ 65.231079][ T8528] team0: Port device team_slave_1 added 03:13:06 executing program 5: r0 = socket$inet6(0xa, 0x3, 0xff) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007600)=[{{0x0, 0x0, &(0x7f0000001380)=[{&(0x7f00000000c0)="14e7150e8234d31efe17c70bc85c4cb065a9085356ee6ab396d8c52a2ef03ca5b7e2ae5fde10f900", 0x28}], 0x1}}], 0x1, 0xbb8) [ 65.293662][ T8525] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.370208][ T8535] IPVS: ftp: loaded support on port[0] = 21 [ 65.379003][ T8528] device hsr_slave_0 entered promiscuous mode [ 65.425421][ T8528] device hsr_slave_1 entered promiscuous mode [ 65.454608][ T8528] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.462311][ T8528] Cannot create hsr debugfs directory [ 65.483847][ T8525] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.548318][ T8525] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.587627][ T8525] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.666143][ T8537] IPVS: ftp: loaded support on port[0] = 21 [ 65.697985][ T8531] chnl_net:caif_netlink_parms(): no params data found [ 65.791110][ T8533] chnl_net:caif_netlink_parms(): no params data found [ 65.810450][ T8531] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.818328][ T8531] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.826719][ T8531] device bridge_slave_0 entered promiscuous mode [ 65.858116][ T8531] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.866598][ T8531] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.874669][ T8531] device bridge_slave_1 entered promiscuous mode [ 65.920299][ T8531] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.953588][ T8531] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.977448][ T8528] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.020682][ T8528] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.091963][ T8531] team0: Port device team_slave_0 added [ 66.101090][ T8531] team0: Port device team_slave_1 added [ 66.108431][ T8533] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.115738][ T8533] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.123256][ T8533] device bridge_slave_0 entered promiscuous mode [ 66.130500][ T8528] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.186547][ T8528] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.256809][ T8535] chnl_net:caif_netlink_parms(): no params data found [ 66.298085][ T8533] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.305402][ T8533] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.313205][ T8533] device bridge_slave_1 entered promiscuous mode [ 66.336813][ T8535] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.343885][ T8535] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.351964][ T8535] device bridge_slave_0 entered promiscuous mode [ 66.362091][ T8525] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.380321][ T8533] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.395306][ T8535] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.402370][ T8535] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.413812][ T8535] device bridge_slave_1 entered promiscuous mode [ 66.444904][ T8533] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.508698][ T8531] device hsr_slave_0 entered promiscuous mode [ 66.564861][ T8531] device hsr_slave_1 entered promiscuous mode [ 66.604533][ T8531] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.612192][ T8531] Cannot create hsr debugfs directory [ 66.627439][ T2761] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.636156][ T2761] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.649101][ T8535] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.664121][ T8525] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.690734][ T8537] chnl_net:caif_netlink_parms(): no params data found [ 66.700684][ T8535] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.723894][ T8533] team0: Port device team_slave_0 added [ 66.747874][ T8535] team0: Port device team_slave_0 added [ 66.757569][ T3241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.766630][ T3241] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.775548][ T3241] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.782713][ T3241] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.792196][ T3241] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.802925][ T8533] team0: Port device team_slave_1 added [ 66.817596][ T8535] team0: Port device team_slave_1 added [ 66.862040][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.873048][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.882037][ T3240] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.889098][ T3240] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.897220][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.956983][ T8533] device hsr_slave_0 entered promiscuous mode [ 66.994670][ T8533] device hsr_slave_1 entered promiscuous mode [ 67.064346][ T8533] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.071925][ T8533] Cannot create hsr debugfs directory [ 67.126179][ T8535] device hsr_slave_0 entered promiscuous mode [ 67.154619][ T8535] device hsr_slave_1 entered promiscuous mode [ 67.204371][ T8535] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.211961][ T8535] Cannot create hsr debugfs directory [ 67.251569][ T8531] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.306233][ T8537] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.313319][ T8537] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.321480][ T8537] device bridge_slave_0 entered promiscuous mode [ 67.331426][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.361612][ T8531] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.406469][ T8537] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.413549][ T8537] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.421403][ T8537] device bridge_slave_1 entered promiscuous mode [ 67.428382][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.437470][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.446261][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.454881][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.463088][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.472262][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.480910][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.501754][ T8531] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.569752][ T8531] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.625708][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.634839][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.648552][ T8525] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.661696][ T8528] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.676238][ T8537] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.687424][ T8537] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.733568][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.741764][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.762799][ T8537] team0: Port device team_slave_0 added [ 67.771983][ T8528] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.791421][ T8537] team0: Port device team_slave_1 added [ 67.816664][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.827190][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.835677][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.842720][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.850370][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.858942][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.867424][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.874497][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.881950][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.897180][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.929115][ T8533] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.047885][ T8537] device hsr_slave_0 entered promiscuous mode [ 68.114595][ T8537] device hsr_slave_1 entered promiscuous mode [ 68.165067][ T8537] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.172824][ T8537] Cannot create hsr debugfs directory [ 68.187446][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.197837][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.205437][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.225465][ T8533] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.260236][ T8533] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.306650][ T8533] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.369449][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.378247][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.392312][ T8535] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.465309][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.473138][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.481930][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.496346][ T8525] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.507914][ T8535] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.550267][ T8535] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.616028][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.625131][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.633562][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.641955][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.664889][ T8535] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.755112][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.763700][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.783278][ T8525] device veth0_vlan entered promiscuous mode [ 68.809357][ T8537] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.896415][ T8537] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.966414][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.975559][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.983653][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.991744][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.005101][ T8531] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.020213][ T8537] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.050454][ T8525] device veth1_vlan entered promiscuous mode [ 69.069688][ T3241] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.077743][ T3241] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.086263][ T3241] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.093798][ T3241] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.101684][ T8537] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.143817][ T8528] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.152832][ T8531] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.160129][ T3241] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.168818][ T3241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.198696][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.215753][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.231098][ T2766] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.238252][ T2766] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.256743][ T8533] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.270534][ T2761] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.278947][ T2761] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.288679][ T2761] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.297488][ T2761] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.304734][ T2761] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.350014][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.359779][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.375387][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.384082][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.392802][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.400916][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.409432][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 174.424220][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 174.431335][ C0] (detected by 0, t=10502 jiffies, g=6929, q=39) [ 174.437742][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294954595-4294944092), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 174.451083][ C0] rs:main Q:Reg R running task 27840 8388 1 0x0000400a [ 174.458976][ C0] Call Trace: [ 174.462252][ C0] [ 174.465115][ C0] sched_show_task+0x40f/0x560 [ 174.469876][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 174.475156][ C0] update_process_times+0x12d/0x180 [ 174.480345][ C0] tick_sched_timer+0x263/0x420 [ 174.485186][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 174.490727][ C0] __hrtimer_run_queues+0x403/0x840 [ 174.495946][ C0] hrtimer_interrupt+0x38c/0xda0 [ 174.500902][ C0] ? debug_smp_processor_id+0x9/0x20 [ 174.506206][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 174.511873][ C0] apic_timer_interrupt+0xf/0x20 [ 174.516812][ C0] [ 174.519750][ C0] RIP: 0010:mod_memcg_page_state+0x123/0x190 [ 174.525725][ C0] Code: e8 22 8f 6a 00 48 83 3d b2 fd e1 07 00 74 70 e8 c3 26 2e 00 4c 89 ff 57 9d 0f 1f 44 00 00 e8 44 cf 33 00 eb 43 e8 ad 26 2e 00 3c e8 d6 cc 33 00 48 c7 c0 68 95 2a 89 48 c1 e8 03 42 80 3c 20 [ 174.545334][ C0] RSP: 0018:ffffc900019a7818 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 174.553732][ C0] RAX: ffffffff814897d3 RBX: 0000000000000000 RCX: ffff88808aa70240 [ 174.561693][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00023a4480 [ 174.569655][ C0] RBP: ffffc900019a7838 R08: dffffc0000000000 R09: fffffbfff12c962d [ 174.577617][ C0] R10: fffffbfff12c962d R11: 0000000000000000 R12: dffffc0000000000 [ 174.585579][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880697814f8 [ 174.593552][ C0] ? mod_memcg_page_state+0x123/0x190 [ 174.598916][ C0] ? mod_memcg_page_state+0x123/0x190 [ 174.604284][ C0] free_thread_stack+0x168/0x590 [ 174.609213][ C0] put_task_stack+0xa3/0x130 [ 174.613792][ C0] finish_task_switch+0x3f1/0x550 [ 174.618813][ C0] __schedule+0x9a8/0xcc0 [ 174.623150][ C0] ? do_raw_spin_unlock+0x142/0x950 [ 174.628425][ C0] schedule+0x181/0x210 [ 174.632618][ C0] futex_wait_queue_me+0x2a3/0x4b0 [ 174.637726][ C0] futex_wait+0x252/0x770 [ 174.642060][ C0] ? __kasan_check_write+0x14/0x20 [ 174.647176][ C0] ? up_write+0xee/0x450 [ 174.651411][ C0] do_futex+0x437/0x3d60 [ 174.655653][ C0] ? ext4_file_write_iter+0x546/0x1f50 [ 174.661097][ C0] ? lock_acquire+0x158/0x250 [ 174.665760][ C0] ? __fdget_pos+0x243/0x2e0 [ 174.670372][ C0] ? vfs_write+0x4a2/0x590 [ 174.674863][ C0] ? __f_unlock_pos+0x19/0x20 [ 174.679535][ C0] ? __f_unlock_pos+0x19/0x20 [ 174.684204][ C0] ? check_preemption_disabled+0xb4/0x260 [ 174.689914][ C0] ? debug_smp_processor_id+0x9/0x20 [ 174.695195][ C0] __se_sys_futex+0x28c/0x360 [ 174.699861][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 174.705568][ C0] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 174.711272][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 174.716724][ C0] __x64_sys_futex+0xe5/0x100 [ 174.721391][ C0] do_syscall_64+0xf7/0x1c0 [ 174.725889][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.731771][ C0] RIP: 0033:0x7f966a7e7344 [ 174.736174][ C0] Code: 1a be 8b 00 00 00 b8 ca 00 00 00 0f 05 41 b8 01 00 00 00 48 3d 01 f0 ff ff 72 0f be 80 00 00 00 45 31 c0 b8 ca 00 00 00 0f 05 <8b> 3c 24 e8 64 29 00 00 48 8b 7c 24 08 be 01 00 00 00 31 c0 f0 0f [ 174.755852][ C0] RSP: 002b:00007f9668d8bcb0 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 174.764250][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f966a7e7344 [ 174.772212][ C0] RDX: 00000000000002cd RSI: 0000000000000080 RDI: 00000000012e6264 [ 174.780174][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000166 [ 174.788311][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000447f18 [ 174.796402][ C0] R13: 000000000044421f R14: 0000000000447ee8 R15: 0000000000000003 [ 174.804394][ C0] rcu: rcu_preempt kthread starved for 10540 jiffies! g6929 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 174.815478][ C0] rcu: RCU grace-period kthread stack dump: [ 174.821357][ C0] rcu_preempt R running task 28864 10 2 0x80004000 [ 174.829245][ C0] Call Trace: [ 174.832531][ C0] __schedule+0x9a0/0xcc0 [ 174.836876][ C0] schedule+0x181/0x210 [ 174.841110][ C0] schedule_timeout+0x14f/0x240 [ 174.845958][ C0] ? run_local_timers+0x120/0x120 [ 174.850977][ C0] rcu_gp_kthread+0xed8/0x1770 [ 174.855740][ C0] kthread+0x332/0x350 [ 174.859796][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 174.864893][ C0] ? kthread_blkcg+0xe0/0xe0 [ 174.869473][ C0] ret_from_fork+0x24/0x30