[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 43.736719][ T25] audit: type=1800 audit(1575408047.155:25): pid=8087 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.756166][ T25] audit: type=1800 audit(1575408047.155:26): pid=8087 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.791830][ T25] audit: type=1800 audit(1575408047.155:27): pid=8087 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 '10.128.10.30' (ECDSA) to the list of known hosts. 2019/12/03 21:20:58 fuzzer started 2019/12/03 21:20:59 dialing manager at 10.128.0.26:42111 2019/12/03 21:20:59 syscalls: 2689 2019/12/03 21:20:59 code coverage: enabled 2019/12/03 21:20:59 comparison tracing: enabled 2019/12/03 21:20:59 extra coverage: extra coverage is not supported by the kernel 2019/12/03 21:20:59 setuid sandbox: enabled 2019/12/03 21:20:59 namespace sandbox: enabled 2019/12/03 21:20:59 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 21:20:59 fault injection: enabled 2019/12/03 21:20:59 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 21:20:59 net packet injection: enabled 2019/12/03 21:20:59 net device setup: enabled 2019/12/03 21:20:59 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 21:20:59 devlink PCI setup: PCI device 0000:00:10.0 is not available 21:21:00 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) recvmsg(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000140)=[{&(0x7f0000000080)=""/112, 0x70}], 0x100000000000000b}, 0x0) 21:21:01 executing program 1: r0 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[@ANYRES32], 0x4) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) setsockopt$llc_int(r0, 0x10c, 0x5, &(0x7f0000000100), 0x4) syzkaller login: [ 57.707550][ T8250] IPVS: ftp: loaded support on port[0] = 21 21:21:01 executing program 2: socket$inet_tcp(0x2, 0x1, 0x0) openat$proc_capi20ncci(0xffffffffffffff9c, 0x0, 0x0, 0x0) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) 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 = syz_open_dev$video(&(0x7f0000000080)='/dev/video#\x00', 0xd, 0x0) ioctl$VIDIOC_S_INPUT(r0, 0xc0045627, &(0x7f00000000c0)) ioctl$VIDIOC_S_INPUT(r0, 0xc0045627, &(0x7f0000000040)=0x3) openat$audio(0xffffffffffffff9c, 0x0, 0x2041c0, 0x0) getsockopt$XDP_STATISTICS(0xffffffffffffffff, 0x11b, 0x7, 0x0, &(0x7f0000000140)) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, 0x0, 0x0) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) add_key(0x0, &(0x7f00000000c0), 0x0, 0x0, 0xfffffffffffffffb) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000280)={0x2, 0x0, @multicast1}, 0x10) pipe(&(0x7f0000000600)={0xffffffffffffffff, 0xffffffffffffffff}) splice(r2, 0x0, 0xffffffffffffffff, 0x0, 0x10000, 0x0) r4 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(0xffffffffffffffff, 0x84, 0x64, 0x0, 0x0) connect$inet6(r4, &(0x7f0000d83fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000095dff8)=ANY=[@ANYBLOB, @ANYRES32=0x0], &(0x7f0000000180)=0x8) setsockopt$inet_sctp6_SCTP_CONTEXT(r4, 0x84, 0x82, &(0x7f00000000c0), 0x8) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r3, 0x84, 0x73, &(0x7f0000000340)={r5, 0x8000, 0x10, 0xfff}, 0x0) splice(0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0) [ 57.882346][ T8253] IPVS: ftp: loaded support on port[0] = 21 [ 57.897216][ T8250] chnl_net:caif_netlink_parms(): no params data found [ 58.010361][ T8250] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.026387][ T8250] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.034874][ T8250] device bridge_slave_0 entered promiscuous mode [ 58.058394][ T8250] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.065554][ T8250] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.073485][ T8250] device bridge_slave_1 entered promiscuous mode [ 58.110526][ T8256] IPVS: ftp: loaded support on port[0] = 21 21:21:01 executing program 3: socket$netlink(0x10, 0x3, 0xa) open(0x0, 0x0, 0x0) creat(0x0, 0x0) pipe(0x0) ftruncate(0xffffffffffffffff, 0x208200) r0 = socket$inet6(0xa, 0x80003, 0xff) setsockopt$inet6_int(r0, 0x29, 0x16, &(0x7f0000fcb000), 0x4) setsockopt$inet6_int(r0, 0x29, 0x16, &(0x7f0000fcb000), 0x4) [ 58.151312][ T8250] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.202691][ T8250] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.241657][ T8253] chnl_net:caif_netlink_parms(): no params data found [ 58.291519][ T8250] team0: Port device team_slave_0 added [ 58.331630][ T8250] team0: Port device team_slave_1 added [ 58.340401][ T8259] IPVS: ftp: loaded support on port[0] = 21 21:21:01 executing program 4: r0 = socket(0xa, 0x2, 0x0) sendmmsg$inet6(r0, &(0x7f00000044c0)=[{{&(0x7f0000000000)={0xa, 0x4e22, 0x0, @remote}, 0x1c, 0x0, 0x0, &(0x7f00000015c0)=[@hopopts_2292={{0x18, 0x29, 0x36, {0x3a}}}, @flowinfo={{0x14}}, @dstopts_2292={{0x18}}, @hopopts={{0x18}}], 0x60}}, {{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}}], 0x3, 0x0) socket$inet(0x2, 0x0, 0x0) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0) memfd_create(0x0, 0x0) syz_open_dev$media(&(0x7f00000001c0)='/dev/media#\x00', 0x0, 0x0) syz_open_dev$radio(0x0, 0x0, 0x2) [ 58.410228][ T8253] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.419474][ T8253] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.427532][ T8253] device bridge_slave_0 entered promiscuous mode [ 58.498756][ T8250] device hsr_slave_0 entered promiscuous mode [ 58.556358][ T8250] device hsr_slave_1 entered promiscuous mode [ 58.614434][ T8253] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.622688][ T8253] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.630931][ T8253] device bridge_slave_1 entered promiscuous mode 21:21:02 executing program 5: io_setup(0x1, &(0x7f0000000040)=0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) io_submit(r0, 0x1, &(0x7f00000004c0)=[&(0x7f0000000040)={0x0, 0x0, 0x0, 0x1, 0x0, r1, &(0x7f0000000000)="e0", 0x1, 0x7fffffffffffffff}]) [ 58.660999][ T8256] chnl_net:caif_netlink_parms(): no params data found [ 58.670477][ T8262] IPVS: ftp: loaded support on port[0] = 21 [ 58.724346][ T8253] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.759475][ T8250] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.810927][ T8250] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.888881][ T8250] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.939631][ T8253] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.968977][ T8250] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.034425][ T8253] team0: Port device team_slave_0 added [ 59.050234][ T8256] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.057835][ T8256] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.065539][ T8256] device bridge_slave_0 entered promiscuous mode [ 59.081065][ T8253] team0: Port device team_slave_1 added [ 59.090085][ T8256] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.097693][ T8256] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.105278][ T8256] device bridge_slave_1 entered promiscuous mode [ 59.139886][ T8264] IPVS: ftp: loaded support on port[0] = 21 [ 59.249362][ T8253] device hsr_slave_0 entered promiscuous mode [ 59.316330][ T8253] device hsr_slave_1 entered promiscuous mode [ 59.396143][ T8253] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.405383][ T8256] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.419932][ T8256] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.436578][ T8259] chnl_net:caif_netlink_parms(): no params data found [ 59.519719][ T8262] chnl_net:caif_netlink_parms(): no params data found [ 59.539540][ T8256] team0: Port device team_slave_0 added [ 59.577975][ T8253] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.632622][ T8262] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.640225][ T8262] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.647877][ T8262] device bridge_slave_0 entered promiscuous mode [ 59.656521][ T8256] team0: Port device team_slave_1 added [ 59.668659][ T8259] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.675738][ T8259] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.685184][ T8259] device bridge_slave_0 entered promiscuous mode [ 59.692918][ T8253] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.758686][ T8262] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.765805][ T8262] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.774042][ T8262] device bridge_slave_1 entered promiscuous mode [ 59.789398][ T8259] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.796612][ T8259] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.804286][ T8259] device bridge_slave_1 entered promiscuous mode [ 59.822253][ T8253] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.862284][ T8253] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.928509][ T8259] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.944192][ T8262] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.008879][ T8256] device hsr_slave_0 entered promiscuous mode [ 60.046432][ T8256] device hsr_slave_1 entered promiscuous mode [ 60.106140][ T8256] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.115028][ T8259] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.137822][ T8259] team0: Port device team_slave_0 added [ 60.149813][ T8262] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.200056][ T8259] team0: Port device team_slave_1 added [ 60.235324][ T8262] team0: Port device team_slave_0 added [ 60.242533][ T8262] team0: Port device team_slave_1 added [ 60.260417][ T8264] chnl_net:caif_netlink_parms(): no params data found [ 60.284272][ T8256] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.377825][ T8259] device hsr_slave_0 entered promiscuous mode [ 60.416321][ T8259] device hsr_slave_1 entered promiscuous mode [ 60.456100][ T8259] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.508543][ T8262] device hsr_slave_0 entered promiscuous mode [ 60.556787][ T8262] device hsr_slave_1 entered promiscuous mode [ 60.596144][ T8262] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.604048][ T8256] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.674737][ T8264] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.682322][ T8264] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.690381][ T8264] device bridge_slave_0 entered promiscuous mode [ 60.705241][ T8256] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.748313][ T8256] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.790942][ T8264] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.798959][ T8264] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.807207][ T8264] device bridge_slave_1 entered promiscuous mode [ 60.818292][ T8250] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.863725][ T8262] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.942685][ T8264] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.952854][ T8262] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.998767][ T8262] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.066467][ T8250] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.076261][ T8264] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.085424][ T8259] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.117884][ T8262] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.191810][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.200111][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.227354][ T8259] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.285839][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.294976][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.304013][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.311219][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.319277][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.328477][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.336983][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.344043][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.351681][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.360815][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.371582][ T8264] team0: Port device team_slave_0 added [ 61.377561][ T8259] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.436654][ T8264] team0: Port device team_slave_1 added [ 61.442602][ T8259] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.491025][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.499969][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.509358][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.518172][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.527250][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.535593][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.544450][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.552761][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.561097][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.577927][ T8253] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.598953][ T8250] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.609533][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.678905][ T8264] device hsr_slave_0 entered promiscuous mode [ 61.726466][ T8264] device hsr_slave_1 entered promiscuous mode [ 61.786900][ T8264] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.809841][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.818112][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.840991][ T8256] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.851612][ T8253] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.864910][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.872815][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.889757][ T8256] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.916697][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.924519][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.934148][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.943152][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.951727][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.959009][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.967324][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.976064][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.984794][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.991915][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.999439][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.008355][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.017026][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.025393][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.033848][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.042253][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.052997][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.061046][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.073081][ T8250] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.105854][ T8264] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 62.148294][ T8264] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 62.188542][ T8264] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 62.227777][ T8264] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.284772][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.293586][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.305577][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.314676][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.323714][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.330829][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.355551][ T8262] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.380128][ T8253] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.393195][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.407309][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.415305][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.425006][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.433929][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.441127][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.449973][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.458570][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.467886][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.477063][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.485449][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.494909][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.503963][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.532773][ T8262] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.543457][ T8259] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.556281][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.573105][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 167.595924][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 167.602942][ C0] (detected by 0, t=10502 jiffies, g=6317, q=62) [ 167.609359][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953880-4294943377), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 167.622847][ C0] rcu_preempt R running task 29032 10 2 0x80004008 [ 167.630754][ C0] Call Trace: [ 167.634055][ C0] [ 167.636905][ C0] sched_show_task+0x40f/0x560 [ 167.641667][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 167.646956][ C0] update_process_times+0x12d/0x180 [ 167.652146][ C0] tick_sched_timer+0x263/0x420 [ 167.656987][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.662550][ C0] __hrtimer_run_queues+0x403/0x840 [ 167.667750][ C0] hrtimer_interrupt+0x38c/0xda0 [ 167.672692][ C0] ? debug_smp_processor_id+0x9/0x20 [ 167.677976][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 167.683517][ C0] apic_timer_interrupt+0xf/0x20 [ 167.688435][ C0] [ 167.691360][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 167.697414][ C0] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 74 25 cd 07 48 89 de e8 64 02 3b 00 5b 5d c3 cc <48> 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e f7 c2 [ 167.718162][ C0] RSP: 0018:ffffc90000d0fc40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.726570][ C0] RAX: 1ffff11014de40f1 RBX: ffffea000251ebc0 RCX: ffff8880a9de8280 [ 167.734550][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000251ebc0 [ 167.742535][ C0] RBP: ffffc90000d0fc80 R08: dffffc0000000000 R09: fffffbfff120248a [ 167.750625][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880a6f20820 [ 167.758737][ C0] R13: dffffc0000000000 R14: 1ffff11014de4104 R15: ffff8880a85af968 [ 167.766744][ C0] ? free_thread_stack+0x124/0x590 [ 167.771854][ C0] put_task_stack+0xa3/0x130 [ 167.776580][ C0] finish_task_switch+0x3f1/0x550 [ 167.781637][ C0] __schedule+0x9a8/0xcc0 [ 167.785967][ C0] schedule+0x181/0x210 [ 167.790211][ C0] schedule_timeout+0x14f/0x240 [ 167.795052][ C0] ? run_local_timers+0x120/0x120 [ 167.800068][ C0] rcu_gp_kthread+0xed8/0x1770 [ 167.804828][ C0] kthread+0x332/0x350 [ 167.808902][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 167.814217][ C0] ? kthread_blkcg+0xe0/0xe0 [ 167.819099][ C0] ret_from_fork+0x24/0x30 [ 167.823532][ C0] rcu: rcu_preempt kthread starved for 10524 jiffies! g6317 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 167.834742][ C0] rcu: RCU grace-period kthread stack dump: [ 167.840631][ C0] rcu_preempt R running task 29032 10 2 0x80004008 [ 167.848521][ C0] Call Trace: [ 167.851925][ C0] [ 167.854786][ C0] sched_show_task+0x40f/0x560 [ 167.860740][ C0] rcu_check_gp_kthread_starvation+0x170/0x1b0 [ 167.866900][ C0] rcu_sched_clock_irq+0x17d3/0x1ad0 [ 167.872224][ C0] update_process_times+0x12d/0x180 [ 167.877423][ C0] tick_sched_timer+0x263/0x420 [ 167.882539][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.888085][ C0] __hrtimer_run_queues+0x403/0x840 [ 167.893289][ C0] hrtimer_interrupt+0x38c/0xda0 [ 167.898230][ C0] ? debug_smp_processor_id+0x9/0x20 [ 167.903507][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 167.909040][ C0] apic_timer_interrupt+0xf/0x20 [ 167.913964][ C0] [ 167.916893][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 167.922957][ C0] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 74 25 cd 07 48 89 de e8 64 02 3b 00 5b 5d c3 cc <48> 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e f7 c2 [ 167.943222][ C0] RSP: 0018:ffffc90000d0fc40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.951766][ C0] RAX: 1ffff11014de40f1 RBX: ffffea000251ebc0 RCX: ffff8880a9de8280 [ 167.959784][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000251ebc0 [ 167.967756][ C0] RBP: ffffc90000d0fc80 R08: dffffc0000000000 R09: fffffbfff120248a [ 167.975717][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880a6f20820 [ 167.983677][ C0] R13: dffffc0000000000 R14: 1ffff11014de4104 R15: ffff8880a85af968 [ 167.991665][ C0] ? free_thread_stack+0x124/0x590 [ 167.996792][ C0] put_task_stack+0xa3/0x130 [ 168.001387][ C0] finish_task_switch+0x3f1/0x550 [ 168.006408][ C0] __schedule+0x9a8/0xcc0 [ 168.010738][ C0] schedule+0x181/0x210 [ 168.014884][ C0] schedule_timeout+0x14f/0x240 [ 168.019723][ C0] ? run_local_timers+0x120/0x120 [ 168.024741][ C0] rcu_gp_kthread+0xed8/0x1770 [ 168.029523][ C0] kthread+0x332/0x350 [ 168.033578][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 168.038703][ C0] ? kthread_blkcg+0xe0/0xe0 [ 168.043291][ C0] ret_from_fork+0x24/0x30