[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 57.334935][ T26] audit: type=1800 audit(1578477349.229:25): pid=8426 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 57.377298][ T26] audit: type=1800 audit(1578477349.229:26): pid=8426 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 57.427131][ T26] audit: type=1800 audit(1578477349.229:27): pid=8426 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 '10.128.0.157' (ECDSA) to the list of known hosts. 2020/01/08 09:55:59 fuzzer started 2020/01/08 09:56:01 dialing manager at 10.128.0.26:35703 2020/01/08 09:56:01 syscalls: 2824 2020/01/08 09:56:01 code coverage: enabled 2020/01/08 09:56:01 comparison tracing: enabled 2020/01/08 09:56:01 extra coverage: enabled 2020/01/08 09:56:01 setuid sandbox: enabled 2020/01/08 09:56:01 namespace sandbox: enabled 2020/01/08 09:56:01 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 09:56:01 fault injection: enabled 2020/01/08 09:56:01 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 09:56:01 net packet injection: enabled 2020/01/08 09:56:01 net device setup: enabled 2020/01/08 09:56:01 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 09:56:01 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:56:02 executing program 0: r0 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") r1 = socket$inet(0x10, 0x3, 0xc) sendmsg(r1, &(0x7f0000011fc8)={0x0, 0x26, &(0x7f0000009ff0)=[{&(0x7f0000000000)="24000000170a07031dfffd946fa2830020200a0009000100001d85680c1baba20400ff7e", 0x24}], 0x1}, 0x0) 09:56:02 executing program 1: open(&(0x7f00000008c0)='./file0\x00', 0x20141042, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup2(r0, r1) r3 = socket$inet_tcp(0x2, 0x1, 0x0) mount$9p_fd(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)='9p\x00', 0x0, &(0x7f0000000140)={'trans=fd,', {'rfdno', 0x3d, r2}, 0x2c, {'wfdno', 0x3d, r3}}) syzkaller login: [ 70.738478][ T8593] IPVS: ftp: loaded support on port[0] = 21 [ 70.851273][ T8595] IPVS: ftp: loaded support on port[0] = 21 09:56:02 executing program 2: io_submit(0x0, 0x1e09328e, &(0x7f0000000040)=[&(0x7f0000000000)={0x0, 0x0, 0x0, 0x1000800000000001, 0x0, 0xffffffffffffffff, 0x0, 0x7ffffffff000}]) r0 = openat$fb0(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/fb0\x00', 0x0, 0x0) ioctl$USBDEVFS_SETCONFIGURATION(r0, 0x4606, &(0x7f0000000000)) [ 70.944176][ T8593] chnl_net:caif_netlink_parms(): no params data found [ 71.070693][ T8595] chnl_net:caif_netlink_parms(): no params data found [ 71.089796][ T8593] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.099483][ T8593] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.108812][ T8593] device bridge_slave_0 entered promiscuous mode [ 71.133719][ T8593] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.140849][ T8593] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.150101][ T8593] device bridge_slave_1 entered promiscuous mode [ 71.197888][ T8593] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.199596][ T8599] IPVS: ftp: loaded support on port[0] = 21 [ 71.222576][ T8595] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.229656][ T8595] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.238536][ T8595] device bridge_slave_0 entered promiscuous mode [ 71.249702][ T8593] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.287027][ T8595] bridge0: port 2(bridge_slave_1) entered blocking state 09:56:03 executing program 3: r0 = socket$inet6(0xa, 0x3, 0x20000000021) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @local, 0x9}, 0x1c) write$binfmt_elf32(r0, &(0x7f00000000c0)={{0x7f, 0x45, 0x4c, 0x46, 0x5, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffc90}}, 0x23) [ 71.296127][ T8595] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.313370][ T8595] device bridge_slave_1 entered promiscuous mode [ 71.330668][ T8593] team0: Port device team_slave_0 added [ 71.344160][ T8593] team0: Port device team_slave_1 added [ 71.395473][ T8595] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.474149][ T8593] device hsr_slave_0 entered promiscuous mode 09:56:03 executing program 4: r0 = socket$inet6(0x10, 0x3, 0x0) sendmsg(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000002000)=[{&(0x7f0000000080)="5500000018007f5f00fe01b2a4a2809302060300f0ffff0060000000390009003500400206000000190015400200000000e21813b4b194ee22dc1338d54400009b84136ef75afb83de4411001600c43ab822000006", 0x55}], 0x1}, 0x0) [ 71.521983][ T8593] device hsr_slave_1 entered promiscuous mode [ 71.595844][ T8595] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.638546][ T8595] team0: Port device team_slave_0 added [ 71.664034][ T8595] team0: Port device team_slave_1 added [ 71.684378][ T8601] IPVS: ftp: loaded support on port[0] = 21 09:56:03 executing program 5: r0 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") r1 = syz_open_dev$video(&(0x7f0000000040)='/dev/video#\x00', 0x88e5, 0x0) poll(&(0x7f00000000c0)=[{r1, 0x8005}], 0x1, 0x0) close(r1) [ 71.744569][ T8595] device hsr_slave_0 entered promiscuous mode [ 71.782487][ T8595] device hsr_slave_1 entered promiscuous mode [ 71.821771][ T8595] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.829564][ T8595] Cannot create hsr debugfs directory [ 71.889983][ T8603] IPVS: ftp: loaded support on port[0] = 21 [ 72.007540][ T8606] IPVS: ftp: loaded support on port[0] = 21 [ 72.037743][ T8599] chnl_net:caif_netlink_parms(): no params data found [ 72.070129][ T8593] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.115786][ T8593] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.176148][ T8593] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.238395][ T8593] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.350321][ T8595] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 72.394797][ T8595] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 72.472307][ T8601] chnl_net:caif_netlink_parms(): no params data found [ 72.484492][ T8595] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 72.508863][ T8599] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.516481][ T8599] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.524600][ T8599] device bridge_slave_0 entered promiscuous mode [ 72.547571][ T8595] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 72.576729][ T8599] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.583940][ T8599] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.591500][ T8599] device bridge_slave_1 entered promiscuous mode [ 72.640994][ T8599] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.667656][ T8601] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.676060][ T8601] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.684001][ T8601] device bridge_slave_0 entered promiscuous mode [ 72.695232][ T8599] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.721208][ T8603] chnl_net:caif_netlink_parms(): no params data found [ 72.730493][ T8601] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.738054][ T8601] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.745744][ T8601] device bridge_slave_1 entered promiscuous mode [ 72.760199][ T8599] team0: Port device team_slave_0 added [ 72.768456][ T8599] team0: Port device team_slave_1 added [ 72.839963][ T8603] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.848536][ T8603] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.856713][ T8603] device bridge_slave_0 entered promiscuous mode [ 72.878264][ T8601] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.893751][ T8603] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.900817][ T8603] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.909147][ T8603] device bridge_slave_1 entered promiscuous mode [ 72.921520][ T8606] chnl_net:caif_netlink_parms(): no params data found [ 72.946098][ T8601] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.013369][ T8599] device hsr_slave_0 entered promiscuous mode [ 73.064762][ T8599] device hsr_slave_1 entered promiscuous mode [ 73.101791][ T8599] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.109369][ T8599] Cannot create hsr debugfs directory [ 73.124480][ T8603] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.175212][ T8603] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.192658][ T8601] team0: Port device team_slave_0 added [ 73.202898][ T8601] team0: Port device team_slave_1 added [ 73.255596][ T8601] device hsr_slave_0 entered promiscuous mode [ 73.312081][ T8601] device hsr_slave_1 entered promiscuous mode [ 73.351788][ T8601] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.359408][ T8601] Cannot create hsr debugfs directory [ 73.374451][ T8606] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.381527][ T8606] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.389750][ T8606] device bridge_slave_0 entered promiscuous mode [ 73.399020][ T8603] team0: Port device team_slave_0 added [ 73.429695][ T8606] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.436951][ T8606] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.449490][ T8606] device bridge_slave_1 entered promiscuous mode [ 73.464335][ T8603] team0: Port device team_slave_1 added [ 73.525818][ T8603] device hsr_slave_0 entered promiscuous mode [ 73.562107][ T8603] device hsr_slave_1 entered promiscuous mode [ 73.601848][ T8603] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.609609][ T8603] Cannot create hsr debugfs directory [ 73.657456][ T8606] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.676244][ T8606] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.721087][ T8593] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.732841][ T8606] team0: Port device team_slave_0 added [ 73.746884][ T8599] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 73.795498][ T8599] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 73.867789][ T8595] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.880068][ T8606] team0: Port device team_slave_1 added [ 73.895700][ T8599] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 73.964070][ T8599] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 74.016864][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.025049][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.084509][ T8606] device hsr_slave_0 entered promiscuous mode [ 74.112080][ T8606] device hsr_slave_1 entered promiscuous mode [ 74.151772][ T8606] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.159711][ T8606] Cannot create hsr debugfs directory [ 74.174385][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.182521][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.195049][ T8593] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.224662][ T8595] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.231961][ T8603] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 74.293323][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.305982][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.314809][ T3130] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.322205][ T3130] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.330426][ T8603] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 74.386031][ T8603] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 74.456899][ T8601] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 74.533608][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.542306][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.550801][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.559671][ T3123] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.566881][ T3123] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.575622][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.584668][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.593731][ T3123] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.601479][ T3123] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.609244][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.617719][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.629981][ T8603] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 74.680567][ T8601] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 74.724327][ T8601] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 74.763443][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.771321][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.780501][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.789147][ T3123] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.796234][ T3123] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.838943][ T8601] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 74.878186][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.886829][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.895480][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.905377][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.914304][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.924436][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.933138][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.941217][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.950569][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.959001][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.968162][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.979447][ T8593] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.015388][ T8599] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.028938][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.037720][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.049025][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.058649][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.090876][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.099688][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.109193][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.122669][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.130904][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.167437][ T8603] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.174785][ T8606] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 75.216301][ T8606] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 75.274044][ T8606] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 75.314539][ T8595] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.327857][ T8599] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.335322][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.343555][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.351030][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.359362][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.372569][ T8593] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.391555][ T8606] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 75.461843][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.470498][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.479537][ T3123] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.486666][ T3123] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.495587][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.504287][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.513343][ T3123] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.520494][ T3123] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.528222][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.536563][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.545155][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.555404][ T8603] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.589158][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.598651][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.608961][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.618067][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.626808][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.634503][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.642393][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.651167][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.659850][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.668499][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.690339][ T8601] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.701181][ T8595] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.716396][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.724890][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.734444][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.743036][ T3130] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.750730][ T3130] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.758655][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.767280][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.775690][ T3130] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.782796][ T3130] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.790432][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.799400][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.824135][ T8601] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.836572][ T8599] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.851543][ T8599] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.860401][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.873373][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.883910][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.892671][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.901367][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.910590][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.918551][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.926376][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.934755][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.978992][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.987218][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.999003][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.007831][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.016584][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.025157][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.034398][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.043140][ T3126] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.050188][ T3126] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.057859][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.066915][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.075654][ T3126] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.083395][ T3126] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.090898][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 76.099719][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.108765][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.116785][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.124452][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.135577][ T8603] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.150292][ T8603] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.163980][ T8593] device veth0_vlan entered promiscuous mode [ 76.177828][ T8593] device veth1_vlan entered promiscuous mode [ 76.189939][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.198163][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.206766][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.215646][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.225293][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.267203][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.277184][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.286458][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.296230][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.305702][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.315094][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.323991][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.332908][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.341694][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.349263][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.357353][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.365504][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.374580][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.390861][ T8603] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.400544][ T8599] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.416847][ T8601] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.438064][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.447237][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.528782][ T8595] device veth0_vlan entered promiscuous mode [ 76.548445][ T8595] device veth1_vlan entered promiscuous mode [ 76.589517][ T8606] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.617471][ T8606] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.669636][ T8606] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 76.686420][ T8606] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.728453][ T8606] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 181.501594][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 181.508516][ C1] rcu: 1-...!: (10499 ticks this GP) idle=78e/1/0x4000000000000002 softirq=14957/14957 fqs=12 [ 181.519086][ C1] (t=10501 jiffies g=7129 q=718) [ 181.525357][ C1] rcu: rcu_preempt kthread starved for 10478 jiffies! g7129 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 181.536443][ C1] rcu: RCU grace-period kthread stack dump: [ 181.542320][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 181.550644][ C1] Call Trace: [ 181.553930][ C1] __schedule+0x9a0/0xcc0 [ 181.558257][ C1] schedule+0x181/0x210 [ 181.562406][ C1] schedule_timeout+0x14f/0x240 [ 181.567249][ C1] ? run_local_timers+0x120/0x120 [ 181.572270][ C1] rcu_gp_kthread+0xed8/0x1770 [ 181.577035][ C1] kthread+0x332/0x350 [ 181.581092][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 181.586193][ C1] ? kthread_blkcg+0xe0/0xe0 [ 181.590773][ C1] ret_from_fork+0x24/0x30 [ 181.595200][ C1] NMI backtrace for cpu 1 [ 181.599629][ C1] CPU: 1 PID: 83 Comm: kworker/u4:2 Not tainted 5.5.0-rc5-syzkaller #0 [ 181.607850][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 181.617998][ C1] Workqueue: 0x0 (bat_events) [ 181.622864][ C1] Call Trace: [ 181.626284][ C1] [ 181.629146][ C1] dump_stack+0x1fb/0x318 [ 181.633478][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 181.638323][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 181.644990][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 181.651065][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 181.657037][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 181.662921][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 181.668034][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 181.673233][ C1] ? trace_hardirqs_off+0x74/0x80 [ 181.678248][ C1] update_process_times+0x12d/0x180 [ 181.683437][ C1] tick_sched_timer+0x263/0x420 [ 181.688276][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 181.693812][ C1] __hrtimer_run_queues+0x403/0x840 [ 181.699016][ C1] hrtimer_interrupt+0x38c/0xda0 [ 181.704063][ C1] ? debug_smp_processor_id+0x9/0x20 [ 181.709340][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 181.714875][ C1] apic_timer_interrupt+0xf/0x20 [ 181.719797][ C1] [ 181.722726][ C1] RIP: 0010:mod_memcg_page_state+0x3d/0x190 [ 181.728614][ C1] Code: 27 2e 00 48 83 c3 38 48 89 d8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 80 3c 20 00 74 08 48 89 df e8 e6 8f 6a 00 48 8b 1b <48> 85 db 0f 84 d8 00 00 00 48 c7 c0 60 95 2a 89 48 c1 e8 03 42 80 [ 181.748220][ C1] RSP: 0018:ffffc900010d7c00 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 181.756621][ C1] RAX: 1ffffd40004ef1c7 RBX: 0000000000000000 RCX: ffff8880a97a2180 [ 181.764585][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002778e00 [ 181.772565][ C1] RBP: ffffc900010d7c20 R08: 000000000003a728 R09: fffffbfff124248a [ 181.780531][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: dffffc0000000000 [ 181.788494][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88809f6e97f8 [ 181.796482][ C1] free_thread_stack+0x168/0x590 [ 181.801418][ C1] put_task_stack+0xa3/0x130 [ 181.806002][ C1] finish_task_switch+0x3f1/0x550 [ 181.811019][ C1] __schedule+0x9a8/0xcc0 [ 181.815347][ C1] schedule+0x181/0x210 [ 181.819493][ C1] worker_thread+0x10d6/0x1630 [ 181.824273][ C1] kthread+0x332/0x350 [ 181.828328][ C1] ? rcu_lock_release+0x30/0x30 [ 181.833166][ C1] ? kthread_blkcg+0xe0/0xe0 [ 181.837745][ C1] ret_from_fork+0x24/0x30