[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 56.130392][ T28] audit: type=1800 audit(1578466462.530:25): pid=8485 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 56.149762][ T28] audit: type=1800 audit(1578466462.540:26): pid=8485 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 56.169880][ T28] audit: type=1800 audit(1578466462.540:27): pid=8485 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 '10.128.0.103' (ECDSA) to the list of known hosts. 2020/01/08 06:54:32 fuzzer started 2020/01/08 06:54:34 dialing manager at 10.128.0.26:35703 2020/01/08 06:54:34 syscalls: 2824 2020/01/08 06:54:34 code coverage: enabled 2020/01/08 06:54:34 comparison tracing: enabled 2020/01/08 06:54:34 extra coverage: enabled 2020/01/08 06:54:34 setuid sandbox: enabled 2020/01/08 06:54:34 namespace sandbox: enabled 2020/01/08 06:54:34 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 06:54:34 fault injection: enabled 2020/01/08 06:54:34 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 06:54:34 net packet injection: enabled 2020/01/08 06:54:34 net device setup: enabled 2020/01/08 06:54:34 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 06:54:34 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:54:35 executing program 0: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r0, 0x0, 0x27, &(0x7f0000000040)={@multicast1=0xe0000306, @dev={0xac, 0x14, 0x14, 0x1a}, @local}, 0xc) close(r0) 06:54:35 executing program 1: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$sock_linger(r2, 0x1, 0xd, &(0x7f0000000040)={0x1}, 0x8) close(r2) syzkaller login: [ 69.152838][ T8651] IPVS: ftp: loaded support on port[0] = 21 06:54:35 executing program 2: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup/syz0\x00', 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f00000000c0)='tasks\x00', 0x2, 0x0) r2 = openat$cgroup_int(r0, &(0x7f0000000140)='cpuset.cpus\x00', 0x2, 0x0) sendfile(r2, r1, 0x0, 0x10a000d54) [ 69.337445][ T8651] chnl_net:caif_netlink_parms(): no params data found [ 69.446813][ T8651] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.456877][ T8654] IPVS: ftp: loaded support on port[0] = 21 [ 69.478528][ T8651] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.488095][ T8651] device bridge_slave_0 entered promiscuous mode [ 69.509911][ T8651] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.518143][ T8651] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.527373][ T8651] device bridge_slave_1 entered promiscuous mode [ 69.574934][ T8651] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.598803][ T8651] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 06:54:36 executing program 3: mknod(&(0x7f0000000180)='./file0\x00', 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mount(0x0, &(0x7f0000000640)='./file0\x00', &(0x7f0000000680)='debugfs\x00', 0x1, &(0x7f0000000400)='/dev/null\x00') getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) open(0x0, 0x0, 0x0) openat$null(0xffffffffffffff9c, &(0x7f0000000000)='/dev/null\x00', 0x0, 0x0) memfd_create(0x0, 0x0) [ 69.674898][ T8651] team0: Port device team_slave_0 added [ 69.696431][ T8656] IPVS: ftp: loaded support on port[0] = 21 [ 69.714616][ T8651] team0: Port device team_slave_1 added [ 69.727941][ T8654] chnl_net:caif_netlink_parms(): no params data found 06:54:36 executing program 4: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r0, 0x84, 0x6, 0x0, 0x0) [ 69.915790][ T8651] device hsr_slave_0 entered promiscuous mode [ 69.985234][ T8651] device hsr_slave_1 entered promiscuous mode 06:54:36 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x1, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x5, 0x0, 0x0, 0x0, 0x71, 0x10, 0x33}, [@ldst={0x6, 0x0, 0x2}]}, &(0x7f0000003ff6)='GPL\x00', 0x5, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0x1dd}, 0x48) [ 70.098122][ T8659] IPVS: ftp: loaded support on port[0] = 21 [ 70.161220][ T8661] IPVS: ftp: loaded support on port[0] = 21 [ 70.196382][ T8654] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.205258][ T8654] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.213742][ T8654] device bridge_slave_0 entered promiscuous mode [ 70.259696][ T8654] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.269153][ T8654] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.277133][ T8654] device bridge_slave_1 entered promiscuous mode [ 70.364106][ T8654] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.375555][ T8654] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.425165][ T8656] chnl_net:caif_netlink_parms(): no params data found [ 70.426414][ T8663] IPVS: ftp: loaded support on port[0] = 21 [ 70.472571][ T8659] chnl_net:caif_netlink_parms(): no params data found [ 70.483870][ T8654] team0: Port device team_slave_0 added [ 70.494675][ T8651] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.576748][ T8654] team0: Port device team_slave_1 added [ 70.597539][ T8651] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.659200][ T8651] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.719290][ T8651] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.805499][ T8654] device hsr_slave_0 entered promiscuous mode [ 70.865089][ T8654] device hsr_slave_1 entered promiscuous mode [ 70.903216][ T8654] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.911177][ T8654] Cannot create hsr debugfs directory [ 70.927436][ T8656] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.934626][ T8656] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.942438][ T8656] device bridge_slave_0 entered promiscuous mode [ 70.957449][ T8656] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.964634][ T8656] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.972452][ T8656] device bridge_slave_1 entered promiscuous mode [ 71.057830][ T8659] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.065666][ T8659] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.075633][ T8659] device bridge_slave_0 entered promiscuous mode [ 71.091102][ T8656] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.118857][ T8659] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.126703][ T8659] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.136122][ T8659] device bridge_slave_1 entered promiscuous mode [ 71.144835][ T8656] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.156672][ T8661] chnl_net:caif_netlink_parms(): no params data found [ 71.181393][ T8663] chnl_net:caif_netlink_parms(): no params data found [ 71.205304][ T8656] team0: Port device team_slave_0 added [ 71.236415][ T8659] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.247538][ T8656] team0: Port device team_slave_1 added [ 71.305657][ T8656] device hsr_slave_0 entered promiscuous mode [ 71.343871][ T8656] device hsr_slave_1 entered promiscuous mode [ 71.383343][ T8656] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.390926][ T8656] Cannot create hsr debugfs directory [ 71.412744][ T8659] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.462720][ T8654] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 71.516469][ T8659] team0: Port device team_slave_0 added [ 71.545814][ T8661] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.553424][ T8661] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.561261][ T8661] device bridge_slave_0 entered promiscuous mode [ 71.568796][ T8654] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 71.617858][ T8654] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 71.665916][ T8659] team0: Port device team_slave_1 added [ 71.671669][ T8654] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 71.715422][ T8663] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.722547][ T8663] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.730459][ T8663] device bridge_slave_0 entered promiscuous mode [ 71.744645][ T8661] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.751715][ T8661] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.760570][ T8661] device bridge_slave_1 entered promiscuous mode [ 71.776722][ T8663] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.784138][ T8663] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.791780][ T8663] device bridge_slave_1 entered promiscuous mode [ 71.815183][ T8663] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.844222][ T8663] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.870719][ T8663] team0: Port device team_slave_0 added [ 71.881070][ T8661] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.897203][ T8663] team0: Port device team_slave_1 added [ 71.919071][ T8661] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.965481][ T8659] device hsr_slave_0 entered promiscuous mode [ 72.003358][ T8659] device hsr_slave_1 entered promiscuous mode [ 72.043879][ T8659] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.052424][ T8659] Cannot create hsr debugfs directory [ 72.086889][ T8651] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.135779][ T8663] device hsr_slave_0 entered promiscuous mode [ 72.203375][ T8663] device hsr_slave_1 entered promiscuous mode [ 72.253202][ T8663] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.253245][ T8663] Cannot create hsr debugfs directory [ 72.297572][ T8661] team0: Port device team_slave_0 added [ 72.327594][ T8661] team0: Port device team_slave_1 added [ 72.350453][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.359085][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.415363][ T8661] device hsr_slave_0 entered promiscuous mode [ 72.453500][ T8661] device hsr_slave_1 entered promiscuous mode [ 72.503198][ T8661] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.510901][ T8661] Cannot create hsr debugfs directory [ 72.521608][ T8651] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.534479][ T8656] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 72.604827][ T8656] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 72.645947][ T8656] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 72.698497][ T8656] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 72.785954][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.795015][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.804290][ T3194] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.811513][ T3194] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.819925][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.829566][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.837983][ T3194] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.845159][ T3194] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.887888][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.929871][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.939673][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.953428][ T8659] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 73.018902][ T8659] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 73.075973][ T8659] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 73.118346][ T8659] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 73.185721][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.195864][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.228054][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.239928][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.248831][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.258810][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.267888][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.280572][ T8651] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.293721][ T8651] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.308983][ T8654] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.337048][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.347518][ T3194] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.364087][ T8663] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 73.407816][ T8663] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 73.458310][ T8663] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 73.529615][ T8663] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 73.588765][ T2881] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.597204][ T2881] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.615530][ T8651] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.624536][ T8661] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 73.671839][ T8661] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 73.764494][ T8661] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 73.796599][ T8661] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 73.845812][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.856537][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.895289][ T8654] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.911642][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.921489][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.932843][ T8659] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.953102][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.961395][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.973789][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.982368][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.991718][ T3193] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.998972][ T3193] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.034349][ T8651] device veth0_vlan entered promiscuous mode [ 74.042026][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.051676][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.060178][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.068550][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.077524][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.086960][ T3193] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.094060][ T3193] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.102006][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.121349][ T8656] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.138692][ T8651] device veth1_vlan entered promiscuous mode [ 74.158227][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.166501][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.176439][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.186061][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.194913][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.202492][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.210732][ T3193] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.244818][ T8661] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.253350][ T8659] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.273474][ T8656] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.281434][ T2881] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.290175][ T2881] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.299879][ T2881] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.308882][ T2881] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.317328][ T2881] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.333099][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.341503][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.353239][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.361659][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.370730][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.378508][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.404605][ T8663] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.413596][ T8661] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.427155][ T8654] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.436222][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.446227][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.457432][ T2692] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.464713][ T2692] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.472644][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.481919][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.490402][ T2692] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.497517][ T2692] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.505949][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.517592][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.526262][ T2692] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.533365][ T2692] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.541080][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.550478][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.559000][ T2692] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.566238][ T2692] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.591504][ T8663] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.619989][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.634557][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.647684][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.657011][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.671274][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.681285][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.690809][ T2692] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.697937][ T2692] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.706488][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.715328][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.724473][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.732187][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.740824][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.751227][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.760398][ T2692] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.767546][ T2692] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.776184][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.785624][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.795158][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.808696][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.833451][ T2881] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.845644][ T2881] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.860705][ T2881] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.882174][ T2881] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.912197][ T8654] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.972211][ T8661] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 74.989114][ T8661] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.049999][ T8661] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 179.682939][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 179.689803][ C0] rcu: 0-...!: (10499 ticks this GP) idle=1d2/1/0x4000000000000002 softirq=14310/14311 fqs=18 [ 179.700399][ C0] (t=10501 jiffies g=7405 q=355) [ 179.705419][ C0] rcu: rcu_preempt kthread starved for 10464 jiffies! g7405 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 179.716501][ C0] rcu: RCU grace-period kthread stack dump: [ 179.722384][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 179.730442][ C0] Call Trace: [ 179.733746][ C0] __schedule+0x9a0/0xcc0 [ 179.738090][ C0] schedule+0x181/0x210 [ 179.742249][ C0] schedule_timeout+0x14f/0x240 [ 179.747099][ C0] ? run_local_timers+0x120/0x120 [ 179.752121][ C0] rcu_gp_kthread+0xed8/0x1770 [ 179.756897][ C0] kthread+0x332/0x350 [ 179.761062][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 179.766162][ C0] ? kthread_blkcg+0xe0/0xe0 [ 179.770744][ C0] ret_from_fork+0x24/0x30 [ 179.775189][ C0] NMI backtrace for cpu 0 [ 179.779518][ C0] CPU: 0 PID: 298 Comm: kworker/u4:4 Not tainted 5.5.0-rc5-syzkaller #0 [ 179.787827][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.797970][ C0] Workqueue: 0x0 (gid-cache-wq) [ 179.802897][ C0] Call Trace: [ 179.806173][ C0] [ 179.809041][ C0] dump_stack+0x1fb/0x318 [ 179.813378][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 179.818314][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 179.824461][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 179.830518][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 179.836490][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 179.842372][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 179.847480][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 179.852674][ C0] ? trace_hardirqs_off+0x74/0x80 [ 179.857693][ C0] update_process_times+0x12d/0x180 [ 179.862888][ C0] tick_sched_timer+0x263/0x420 [ 179.867728][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 179.873352][ C0] __hrtimer_run_queues+0x403/0x840 [ 179.878558][ C0] hrtimer_interrupt+0x38c/0xda0 [ 179.883505][ C0] ? debug_smp_processor_id+0x9/0x20 [ 179.888785][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 179.894464][ C0] apic_timer_interrupt+0xf/0x20 [ 179.899409][ C0] [ 179.902384][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x48/0x50 [ 179.908558][ C0] Code: 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 8b 89 84 13 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 3a 0f 1f 80 00 00 00 00 4c 8b 04 24 65 48 8b 04 25 c0 1d 02 00 65 [ 179.928171][ C0] RSP: 0018:ffffc90001777bf8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 179.936609][ C0] RAX: ffffffff814897d3 RBX: 0000000000000000 RCX: ffff8880a8804380 [ 179.944583][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00024e00c0 [ 179.952555][ C0] RBP: ffffc90001777c20 R08: 000000000003a728 R09: ffffed1012b4f749 [ 179.960522][ C0] R10: ffffed1012b4f749 R11: 0000000000000000 R12: dffffc0000000000 [ 179.968502][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888095a7ba38 [ 179.976485][ C0] ? mod_memcg_page_state+0x123/0x190 [ 179.981853][ C0] ? free_thread_stack+0x124/0x590 [ 179.986954][ C0] ? mod_memcg_page_state+0x123/0x190 [ 179.992314][ C0] free_thread_stack+0x168/0x590 [ 179.997254][ C0] put_task_stack+0xa3/0x130 [ 180.001843][ C0] finish_task_switch+0x3f1/0x550 [ 180.006871][ C0] __schedule+0x9a8/0xcc0 [ 180.011199][ C0] schedule+0x181/0x210 [ 180.015348][ C0] worker_thread+0x10d6/0x1630 [ 180.020121][ C0] kthread+0x332/0x350 [ 180.024176][ C0] ? rcu_lock_release+0x30/0x30 [ 180.029013][ C0] ? kthread_blkcg+0xe0/0xe0 [ 180.033683][ C0] ret_from_fork+0x24/0x30