[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 52.706460][ T27] audit: type=1800 audit(1578453421.324:25): pid=8443 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 52.732790][ T27] audit: type=1800 audit(1578453421.324:26): pid=8443 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 52.761243][ T27] audit: type=1800 audit(1578453421.334:27): pid=8443 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 '10.128.1.35' (ECDSA) to the list of known hosts. 2020/01/08 03:17:12 fuzzer started 2020/01/08 03:17:14 dialing manager at 10.128.0.26:35703 2020/01/08 03:17:14 syscalls: 2824 2020/01/08 03:17:14 code coverage: enabled 2020/01/08 03:17:14 comparison tracing: enabled 2020/01/08 03:17:14 extra coverage: enabled 2020/01/08 03:17:14 setuid sandbox: enabled 2020/01/08 03:17:14 namespace sandbox: enabled 2020/01/08 03:17:14 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:17:14 fault injection: enabled 2020/01/08 03:17:14 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:17:14 net packet injection: enabled 2020/01/08 03:17:14 net device setup: enabled 2020/01/08 03:17:14 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:17:14 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:17:15 executing program 0: bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000040)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x28, 0x28, 0x3, [@var={0x1, 0x0, 0x0, 0xe, 0x2}, @array={0x0, 0x0, 0x0, 0x3, 0x0, {0x2, 0x1}}]}, {0x0, [0x5f]}}, &(0x7f0000000280)=""/237, 0x43, 0xed, 0x1}, 0x20) 03:17:15 executing program 1: r0 = syz_open_dev$sndtimer(&(0x7f0000000040)='/dev/snd/timer\x00', 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r0, 0xc0145401, &(0x7f0000000080)={0xffffffffffffffff}) syzkaller login: [ 66.699561][ T8609] IPVS: ftp: loaded support on port[0] = 21 [ 66.824767][ T8609] chnl_net:caif_netlink_parms(): no params data found [ 66.868150][ T8609] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.877031][ T8609] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.885212][ T8609] device bridge_slave_0 entered promiscuous mode [ 66.895917][ T8609] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.903380][ T8609] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.912131][ T8609] device bridge_slave_1 entered promiscuous mode [ 66.935006][ T8609] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.946168][ T8609] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.968303][ T8609] team0: Port device team_slave_0 added [ 66.976225][ T8609] team0: Port device team_slave_1 added 03:17:15 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000003140)=[{{&(0x7f0000000000)=@ipx, 0x80, 0x0, 0x0, 0x0, 0xfffffec5}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000140)='sessionid\x00') preadv(r0, &(0x7f00000017c0), 0x1b4, 0x0) [ 66.986770][ T8612] IPVS: ftp: loaded support on port[0] = 21 [ 67.075418][ T8609] device hsr_slave_0 entered promiscuous mode [ 67.132380][ T8609] device hsr_slave_1 entered promiscuous mode 03:17:15 executing program 3: r0 = creat(&(0x7f00000000c0)='./file0\x00', 0x0) fsetxattr(r0, &(0x7f0000000080)=@random={'trusted.', '&\x00'}, &(0x7f0000000340)='user.syz\x00\xf9\xef\x16\x85(\v\x87\xce\x95\xe0\x1b\x8dJ\xaaS\x10>[\x05|\x83\xfbA<\x1c\xb8\x16\xdf\b\x82\xe6t\xc9\xd9[@\xd6\xe2\xfc\x93\xe4\x1fg\xdf9\xf8\x0e/\xf0\x01\x950Du\x01gS\x95M{\x8b\xf7\x04\x1a\xee\xf6\xeew\xd8\xde\xab\x02\x0e\xc5\xae\xb4p\xb9\x80a\xa8,k\x96\x152\x9e\xf31fh(\xba\xed\x90&\xf1]q\xe3w{\xb5B\t\xb49\xf9\xc5\xe1/7g\x83\xe5Js5/7:\x7f\xa5\x12\xed1\xb8\x17\x9eW\x14\x9eB\x7f\xb4I\xbe\xfe\x12\x8c\xc0N\x8f\x00r\xb3\xd86\xeb\xc1\v\x86\xf1\xbb\xbd\x9d\x97\x17\x1b\xa5D\xd5\xd3\xf6\x83\xa2\x16\t\xa8\xdd4\xd5M\x9f\xbd\xf8I\x95O\xa2bz\f\xb8D\x8a\x05\x13u\x10\vX\xbcb\x1c\xc6\xdd\x95\xff\xd5\xeah\x80\xe7\x8fC\xe2\xfaB50\xc9\xca\xb8m\xca\x19B\x86\xe6\xdch\xe0\x83\x99\xa0\xab\f\xd9NYUol\xe3\x12\xd0:p\xf2\xb5\x946\xc8\xa9\xf16\xb6\xa53\xb5\xd6\xfc:i\x98\x91\r\xdbs\xa5\r \xc1\xebt=\xf7\x0f\xe2\x01\xc0\xac\x91\x18W\x92\x91\x7f\x14\xff\xf9\xb9;\xee\xb9\xea\xfa9\x81H\xdcsO\a\x88M\ag\x80a\xdb\x94WX\r{\xba\x8ag\xbb\xfapy\x90\x18\x88\xd50\xda\xaf\xa0\x9e\xacd\xc2^\x90o\x812\xbd\xa1\xccP\xe8@\xa2|Y/\xe59\xd7', 0x161, 0x0) [ 67.210801][ T8614] IPVS: ftp: loaded support on port[0] = 21 [ 67.455378][ T8612] chnl_net:caif_netlink_parms(): no params data found [ 67.464561][ T8609] netdevsim netdevsim0 netdevsim0: renamed from eth0 03:17:16 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) [ 67.564163][ T8609] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.623408][ T8609] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.653284][ T8609] netdevsim netdevsim0 netdevsim3: renamed from eth3 03:17:16 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x11, 0x800000003, 0x0) bind(r1, &(0x7f0000000080)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) getsockname$packet(r1, &(0x7f0000000040)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000140)=0x14) sendmsg$nl_route(r0, &(0x7f0000000580)={0x0, 0x67, &(0x7f0000000540)={&(0x7f0000000180)=@ipv4_newroute={0x24, 0x18, 0x35f32a6dfa748ddd, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfe, 0x2}, [@RTA_OIF={0x8, 0xb, r2}]}, 0x24}}, 0x0) [ 67.767818][ T8614] chnl_net:caif_netlink_parms(): no params data found [ 67.785235][ T8618] IPVS: ftp: loaded support on port[0] = 21 [ 67.790686][ T8609] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.798389][ T8609] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.806271][ T8609] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.813392][ T8609] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.868022][ T8620] IPVS: ftp: loaded support on port[0] = 21 [ 67.875550][ T8612] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.885427][ T8612] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.896768][ T8612] device bridge_slave_0 entered promiscuous mode [ 67.906879][ T2719] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.915083][ T2719] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.940516][ T8622] IPVS: ftp: loaded support on port[0] = 21 [ 67.948708][ T8612] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.956494][ T8612] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.964566][ T8612] device bridge_slave_1 entered promiscuous mode [ 67.999113][ T8612] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.011410][ T8612] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.027206][ T8614] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.034815][ T8614] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.042746][ T8614] device bridge_slave_0 entered promiscuous mode [ 68.052385][ T8614] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.059426][ T8614] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.067484][ T8614] device bridge_slave_1 entered promiscuous mode [ 68.118004][ T8612] team0: Port device team_slave_0 added [ 68.126935][ T8612] team0: Port device team_slave_1 added [ 68.144798][ T8614] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.156902][ T8614] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.195323][ T8614] team0: Port device team_slave_0 added [ 68.206955][ T8609] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.259414][ T8614] team0: Port device team_slave_1 added [ 68.303106][ T8612] device hsr_slave_0 entered promiscuous mode [ 68.352693][ T8612] device hsr_slave_1 entered promiscuous mode [ 68.432820][ T8612] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.440515][ T8612] Cannot create hsr debugfs directory [ 68.493142][ T8622] chnl_net:caif_netlink_parms(): no params data found [ 68.515706][ T8618] chnl_net:caif_netlink_parms(): no params data found [ 68.549493][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.558024][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.568720][ T8609] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.643586][ T8614] device hsr_slave_0 entered promiscuous mode [ 68.691640][ T8614] device hsr_slave_1 entered promiscuous mode [ 68.721292][ T8614] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.728865][ T8614] Cannot create hsr debugfs directory [ 68.809897][ T8618] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.826699][ T8618] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.834459][ T8618] device bridge_slave_0 entered promiscuous mode [ 68.844868][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.854699][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.863461][ T2810] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.870600][ T2810] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.878333][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.887786][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.896362][ T2810] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.903452][ T2810] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.917253][ T8622] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.924552][ T8622] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.932678][ T8622] device bridge_slave_0 entered promiscuous mode [ 68.939901][ T8618] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.947757][ T8618] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.955523][ T8618] device bridge_slave_1 entered promiscuous mode [ 68.962594][ T8620] chnl_net:caif_netlink_parms(): no params data found [ 68.982740][ T8622] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.989854][ T8622] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.999614][ T8622] device bridge_slave_1 entered promiscuous mode [ 69.036927][ T8618] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.057847][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.078968][ T8622] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.089796][ T8618] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.128637][ T8622] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.154422][ T8612] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 69.220059][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.230675][ T8618] team0: Port device team_slave_0 added [ 69.242583][ T8622] team0: Port device team_slave_0 added [ 69.259672][ T8620] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.266972][ T8620] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.277577][ T8620] device bridge_slave_0 entered promiscuous mode [ 69.285026][ T8612] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 69.365045][ T8622] team0: Port device team_slave_1 added [ 69.374628][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.383968][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.394506][ T8618] team0: Port device team_slave_1 added [ 69.401817][ T8614] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 69.443198][ T8620] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.450280][ T8620] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.459999][ T8620] device bridge_slave_1 entered promiscuous mode [ 69.474703][ T8612] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 69.523069][ T8612] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 69.566960][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.584691][ T8614] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 69.636655][ T8614] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 69.709083][ T8614] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.769128][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.777715][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.793864][ T8620] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.809896][ T8620] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.905078][ T8618] device hsr_slave_0 entered promiscuous mode [ 69.961667][ T8618] device hsr_slave_1 entered promiscuous mode [ 70.001336][ T8618] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.009885][ T8618] Cannot create hsr debugfs directory [ 70.064257][ T8622] device hsr_slave_0 entered promiscuous mode [ 70.101695][ T8622] device hsr_slave_1 entered promiscuous mode [ 70.161363][ T8622] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.169023][ T8622] Cannot create hsr debugfs directory [ 70.184454][ T8620] team0: Port device team_slave_0 added [ 70.192246][ T2704] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.200667][ T2704] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.236491][ T8620] team0: Port device team_slave_1 added [ 70.243125][ T2704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.252634][ T2704] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.263560][ T8609] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.403046][ T8620] device hsr_slave_0 entered promiscuous mode [ 70.441554][ T8620] device hsr_slave_1 entered promiscuous mode [ 70.511278][ T8620] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.518899][ T8620] Cannot create hsr debugfs directory [ 70.537040][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.544608][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.559037][ T8609] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.620843][ T8622] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 70.677809][ T8622] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 70.722661][ T8618] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 70.770905][ T8612] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.784277][ T8622] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 70.833114][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.841911][ T2810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.850438][ T8618] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 70.905274][ T8622] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.933873][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.944619][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.953158][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.960734][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.971797][ T8612] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.978609][ T8618] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 71.025063][ T8609] device veth0_vlan entered promiscuous mode [ 71.043611][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.053407][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.064941][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.074164][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.083140][ T2812] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.090187][ T2812] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.097817][ T8618] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 71.157501][ T8609] device veth1_vlan entered promiscuous mode [ 71.176547][ T8620] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 71.226374][ T3179] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.235158][ T3179] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.243248][ T3179] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.252000][ T3179] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.260238][ T3179] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.267326][ T3179] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.290791][ T8614] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.302597][ T8620] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 71.339038][ T8620] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 71.397854][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.406629][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.417918][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.427134][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.437055][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.450817][ T8620] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 71.502744][ T8614] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.518622][ T2704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.528149][ T2704] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.536384][ T2704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.545746][ T2704] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.579909][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.591736][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.600107][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.608761][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.617032][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.626124][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.634582][ T2812] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.641673][ T2812] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.650884][ T8612] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.689407][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.716842][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.737859][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.753096][ T2812] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.760218][ T2812] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.815017][ T8622] 8021q: adding VLAN 0 to HW filter on device bond0 [ 176.731150][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 176.738398][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P8579 [ 176.745894][ C0] (detected by 0, t=10503 jiffies, g=7121, q=168) [ 176.752687][ C0] udevd R running task 27936 8579 4310 0x0000400a [ 176.760608][ C0] Call Trace: [ 176.763886][ C0] [ 176.766736][ C0] sched_show_task+0x40f/0x560 [ 176.771522][ C0] rcu_sched_clock_irq+0x16b1/0x1ad0 [ 176.776854][ C0] update_process_times+0x12d/0x180 [ 176.782062][ C0] tick_sched_timer+0x263/0x420 [ 176.786909][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 176.792446][ C0] __hrtimer_run_queues+0x403/0x840 [ 176.797650][ C0] hrtimer_interrupt+0x38c/0xda0 [ 176.802618][ C0] ? debug_smp_processor_id+0x9/0x20 [ 176.807896][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 176.813450][ C0] apic_timer_interrupt+0xf/0x20 [ 176.818371][ C0] [ 176.821300][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 176.827358][ C0] Code: e5 53 48 89 fb e8 13 00 00 00 48 8b 3d f4 f4 ed 07 48 89 de e8 84 f4 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 <65> 8b 15 38 5f 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 83 [ 176.846955][ C0] RSP: 0018:ffffc90001cf7920 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 176.855377][ C0] RAX: ffffffff814897d3 RBX: 0000000000000000 RCX: ffff888090a041c0 [ 176.863347][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000245dd80 [ 176.871325][ C0] RBP: ffffc90001cf7948 R08: 000000000003a728 R09: fffffbfff124248a [ 176.879295][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: dffffc0000000000 [ 176.887277][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880933799f8 [ 176.895283][ C0] ? mod_memcg_page_state+0x123/0x190 [ 176.900654][ C0] ? mod_memcg_page_state+0x123/0x190 [ 176.906018][ C0] free_thread_stack+0x168/0x590 [ 176.910947][ C0] put_task_stack+0xa3/0x130 [ 176.915528][ C0] finish_task_switch+0x3f1/0x550 [ 176.920569][ C0] __schedule+0x9a8/0xcc0 [ 176.924898][ C0] ? ___preempt_schedule+0x16/0x18 [ 176.929997][ C0] preempt_schedule+0xdb/0x120 [ 176.934752][ C0] ___preempt_schedule+0x16/0x18 [ 176.939689][ C0] ? __wake_up_sync_key+0xe2/0x150 [ 176.945020][ C0] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 176.950658][ C0] __wake_up_sync_key+0xe2/0x150 [ 176.955600][ C0] sock_def_readable+0x162/0x200 [ 176.960570][ C0] unix_dgram_sendmsg+0x1bd5/0x2690 [ 176.965802][ C0] ? __sys_sendmsg+0x20b/0x290 [ 176.970567][ C0] ? unix_dgram_poll+0x6b0/0x6b0 [ 176.975534][ C0] __sys_sendto+0x442/0x5e0 [ 176.980061][ C0] ? debug_smp_processor_id+0x1c/0x20 [ 176.985423][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 176.991480][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 176.997216][ C0] ? check_preemption_disabled+0xb4/0x260 [ 177.002933][ C0] ? debug_smp_processor_id+0x9/0x20 [ 177.008208][ C0] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 177.013918][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 177.019370][ C0] __x64_sys_sendto+0xe5/0x100 [ 177.024128][ C0] do_syscall_64+0xf7/0x1c0 [ 177.028624][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 177.034504][ C0] RIP: 0033:0x7f187b4f9282 [ 177.038930][ C0] Code: 48 83 c8 ff eb ea 90 90 53 48 83 ec 20 8b 05 81 d3 2a 00 85 c0 75 21 45 31 c9 45 31 c0 4c 63 d1 48 63 ff b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 61 48 83 c4 20 5b c3 48 89 54 24 08 89 0c 24 [ 177.058538][ C0] RSP: 002b:00007ffe618f6700 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 177.066938][ C0] RAX: ffffffffffffffda RBX: 00000000013fa130 RCX: 00007f187b4f9282 [ 177.074903][ C0] RDX: 0000000000000008 RSI: 00007ffe618f6750 RDI: 0000000000000009 [ 177.082879][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 177.090843][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 177.099424][ C0] R13: 00000000013fbd30 R14: 00000000013fa250 R15: 000000000000000b [ 177.107430][ C0] rcu: rcu_preempt kthread starved for 10529 jiffies! g7121 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 177.118638][ C0] rcu: RCU grace-period kthread stack dump: [ 177.124519][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 177.132411][ C0] Call Trace: [ 177.135698][ C0] __schedule+0x9a0/0xcc0 [ 177.140027][ C0] schedule+0x181/0x210 [ 177.144195][ C0] schedule_timeout+0x14f/0x240 [ 177.149036][ C0] ? run_local_timers+0x120/0x120 [ 177.154058][ C0] rcu_gp_kthread+0xed8/0x1770 [ 177.158820][ C0] kthread+0x332/0x350 [ 177.162894][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 177.167997][ C0] ? kthread_blkcg+0xe0/0xe0 [ 177.172614][ C0] ret_from_fork+0x24/0x30