[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 52.096047][ T26] audit: type=1800 audit(1578467649.671:25): pid=8387 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 52.115378][ T26] audit: type=1800 audit(1578467649.671:26): pid=8387 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 52.136030][ T26] audit: type=1800 audit(1578467649.681:27): pid=8387 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 '10.128.0.252' (ECDSA) to the list of known hosts. 2020/01/08 07:14:21 fuzzer started 2020/01/08 07:14:22 dialing manager at 10.128.0.26:35703 2020/01/08 07:14:23 syscalls: 2824 2020/01/08 07:14:23 code coverage: enabled 2020/01/08 07:14:23 comparison tracing: enabled 2020/01/08 07:14:23 extra coverage: enabled 2020/01/08 07:14:23 setuid sandbox: enabled 2020/01/08 07:14:23 namespace sandbox: enabled 2020/01/08 07:14:23 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 07:14:23 fault injection: enabled 2020/01/08 07:14:23 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 07:14:23 net packet injection: enabled 2020/01/08 07:14:23 net device setup: enabled 2020/01/08 07:14:23 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 07:14:23 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:14:24 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount$bpf(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000180)='bpf\x00', 0x0, 0x0) mount$overlay(0x400000, &(0x7f0000000100)='./file0\x00', &(0x7f00000001c0)='overlay\x00', 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB=',lowerdir=.:file0']) open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) chdir(&(0x7f0000000080)='./file0\x00') open(&(0x7f0000000080)='./bus\x00', 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000200)='auxv\x00') lseek(r0, 0x100000000000000, 0x0) 07:14:24 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f00000000c0)=0x100000001, 0x4) connect$inet6(r0, &(0x7f0000000180)={0xa, 0x0, 0x0, @loopback}, 0x1c) setsockopt$inet6_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f0000000340)='tls\x00', 0x4) getsockopt$inet6_tcp_buf(r0, 0x11a, 0x0, 0x0, 0x0) syzkaller login: [ 66.601260][ T8554] IPVS: ftp: loaded support on port[0] = 21 [ 66.758002][ T8554] chnl_net:caif_netlink_parms(): no params data found 07:14:24 executing program 2: r0 = creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(r0, 0xc0c0583b, &(0x7f00000004c0)={0x0, 0x29800, 0x0, 0x0, [], [{}, {0x801, 0x0, 0x8001}]}) [ 66.829706][ T8554] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.843477][ T8554] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.851131][ T8554] device bridge_slave_0 entered promiscuous mode [ 66.871782][ T8554] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.879125][ T8554] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.894992][ T8554] device bridge_slave_1 entered promiscuous mode [ 66.919192][ T8557] IPVS: ftp: loaded support on port[0] = 21 [ 66.959745][ T8554] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.986949][ T8554] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.032138][ T8554] team0: Port device team_slave_0 added [ 67.077700][ T8554] team0: Port device team_slave_1 added 07:14:24 executing program 3: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup/syz0\x00', 0x200002, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000100)={r1, 0xa, 0x0, 0x0, 0x0}, 0x20) [ 67.119791][ T8557] chnl_net:caif_netlink_parms(): no params data found [ 67.130093][ T8560] IPVS: ftp: loaded support on port[0] = 21 [ 67.177092][ T8554] device hsr_slave_0 entered promiscuous mode [ 67.234570][ T8554] device hsr_slave_1 entered promiscuous mode [ 67.302456][ T8562] IPVS: ftp: loaded support on port[0] = 21 07:14:25 executing program 4: pipe(&(0x7f0000000400)={0xffffffffffffffff, 0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) tee(r1, r0, 0x100000000, 0x0) close(r2) [ 67.386461][ T8557] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.403452][ T8557] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.410981][ T8557] device bridge_slave_0 entered promiscuous mode [ 67.468090][ T8557] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.478501][ T8557] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.486704][ T8557] device bridge_slave_1 entered promiscuous mode [ 67.580988][ T8560] chnl_net:caif_netlink_parms(): no params data found [ 67.594721][ T8557] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.651375][ T8557] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.669855][ T8554] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.679722][ T8565] IPVS: ftp: loaded support on port[0] = 21 07:14:25 executing program 5: r0 = socket$kcm(0x2, 0x5, 0x0) setsockopt$sock_attach_bpf(r0, 0x84, 0xb, &(0x7f0000000040), 0x4) sendmsg$kcm(r0, &(0x7f0000001d40)={&(0x7f0000001b40)=@in={0x2, 0x0, @local}, 0x80, &(0x7f0000001c00)=[{&(0x7f0000001bc0)="01", 0x1}], 0x1}, 0x0) recvmsg(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)=[{&(0x7f0000000100)=""/96, 0x60}, {&(0x7f0000000180)=""/103, 0x67}], 0x2}, 0x0) [ 67.729562][ T8554] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.791553][ T8554] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.856740][ T8554] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.979537][ T8557] team0: Port device team_slave_0 added [ 67.988573][ T8557] team0: Port device team_slave_1 added [ 68.001072][ T8560] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.010001][ T8560] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.017751][ T8560] device bridge_slave_0 entered promiscuous mode [ 68.025242][ T8562] chnl_net:caif_netlink_parms(): no params data found [ 68.049541][ T8567] IPVS: ftp: loaded support on port[0] = 21 [ 68.060910][ T8560] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.068556][ T8560] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.076680][ T8560] device bridge_slave_1 entered promiscuous mode [ 68.100243][ T8560] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.134508][ T8560] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.166864][ T8557] device hsr_slave_0 entered promiscuous mode [ 68.213963][ T8557] device hsr_slave_1 entered promiscuous mode [ 68.253499][ T8557] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.261258][ T8557] Cannot create hsr debugfs directory [ 68.329090][ T8560] team0: Port device team_slave_0 added [ 68.357077][ T8562] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.367000][ T8562] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.375264][ T8562] device bridge_slave_0 entered promiscuous mode [ 68.386062][ T8560] team0: Port device team_slave_1 added [ 68.402962][ T8562] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.413108][ T8562] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.420874][ T8562] device bridge_slave_1 entered promiscuous mode [ 68.443040][ T8565] chnl_net:caif_netlink_parms(): no params data found [ 68.525401][ T8560] device hsr_slave_0 entered promiscuous mode [ 68.593820][ T8560] device hsr_slave_1 entered promiscuous mode [ 68.653740][ T8560] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.661311][ T8560] Cannot create hsr debugfs directory [ 68.668443][ T8562] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.681934][ T8562] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.757449][ T8565] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.765138][ T8565] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.772691][ T8565] device bridge_slave_0 entered promiscuous mode [ 68.781250][ T8565] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.788705][ T8565] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.797581][ T8565] device bridge_slave_1 entered promiscuous mode [ 68.810676][ T8562] team0: Port device team_slave_0 added [ 68.859330][ T8565] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.870467][ T8562] team0: Port device team_slave_1 added [ 68.883547][ T8567] chnl_net:caif_netlink_parms(): no params data found [ 68.898786][ T8565] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.941702][ T8554] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.967875][ T8557] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 69.086798][ T8562] device hsr_slave_0 entered promiscuous mode [ 69.123901][ T8562] device hsr_slave_1 entered promiscuous mode [ 69.174268][ T8562] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.181858][ T8562] Cannot create hsr debugfs directory [ 69.187808][ T8560] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 69.259361][ T8560] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 69.320507][ T8560] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 69.385204][ T8557] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 69.427522][ T8565] team0: Port device team_slave_0 added [ 69.435976][ T8565] team0: Port device team_slave_1 added [ 69.451849][ T8567] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.459789][ T8567] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.467882][ T8567] device bridge_slave_0 entered promiscuous mode [ 69.475458][ T8560] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.505178][ T8557] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 69.569605][ T8557] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 69.636605][ T8567] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.644143][ T8567] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.651843][ T8567] device bridge_slave_1 entered promiscuous mode [ 69.664572][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.672789][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.735271][ T8565] device hsr_slave_0 entered promiscuous mode [ 69.773725][ T8565] device hsr_slave_1 entered promiscuous mode [ 69.813484][ T8565] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.821082][ T8565] Cannot create hsr debugfs directory [ 69.839111][ T8554] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.850971][ T8567] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.885728][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.894812][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.903142][ T2732] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.910302][ T2732] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.918930][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.928636][ T8567] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.968378][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.979815][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.988995][ T2746] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.996158][ T2746] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.004395][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.031529][ T8567] team0: Port device team_slave_0 added [ 70.039581][ T8567] team0: Port device team_slave_1 added [ 70.066961][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.125355][ T8562] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 70.142564][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.151056][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.159674][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.168239][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.205408][ T8567] device hsr_slave_0 entered promiscuous mode [ 70.263755][ T8567] device hsr_slave_1 entered promiscuous mode [ 70.303453][ T8567] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.311062][ T8567] Cannot create hsr debugfs directory [ 70.320020][ T8562] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 70.375876][ T8562] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 70.415844][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.425453][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.434370][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.443038][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.451949][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.472745][ T8562] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 70.527573][ T8554] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.547366][ T8565] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.595716][ T8565] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.658611][ T8560] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.679791][ T8565] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.742744][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.752292][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.763773][ T8565] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.812499][ T8560] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.821354][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.832061][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.853869][ T3112] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.862378][ T3112] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.871360][ T3112] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.878464][ T3112] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.886203][ T3112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.894847][ T3112] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.903055][ T3112] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.910202][ T3112] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.919184][ T3112] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.948183][ T8554] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.958726][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.967336][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.986717][ T8557] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.030504][ T8567] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 71.065241][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.077999][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.086407][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.095761][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.104595][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.112789][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.122238][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.130175][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.138438][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.153551][ T3112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.162119][ T3112] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.178982][ T8557] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.187479][ T8567] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 71.226093][ T8567] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 71.277728][ T8560] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.297138][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.305691][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.313283][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.323848][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.332341][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.340439][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.355228][ T8567] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 71.407890][ T8554] device veth0_vlan entered promiscuous mode [ 71.431257][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.442336][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.451592][ T2750] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.458682][ T2750] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.475815][ T8565] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.492009][ T8562] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.506545][ T8554] device veth1_vlan entered promiscuous mode [ 71.519953][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.528184][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.535964][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.543630][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.552088][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.560949][ T2746] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.568080][ T2746] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.579809][ T8560] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.606816][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.615710][ T2750] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.636450][ T8565] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.653857][ T3112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.661625][ T3112] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.670909][ T3112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.679192][ T3112] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.698910][ T8562] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.709874][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.720304][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.728832][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.738075][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.746594][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.755440][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.764833][ T2751] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.771869][ T2751] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.780638][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.788373][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.797564][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.806032][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.842481][ T8557] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.862422][ T8557] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.883807][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.893006][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.902759][ T2746] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.909887][ T2746] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.921365][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.930134][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.939082][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.947853][ T2746] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.954968][ T2746] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.963193][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.972542][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.981209][ T2746] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.988302][ T2746] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.997006][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.005682][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.014524][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.054528][ T8562] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.065060][ T8562] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.101162][ T8562] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.152603][ T8562] device veth0_vlan entered promiscuous mode [ 72.170755][ T8562] device veth1_vlan entered promiscuous mode [ 176.943339][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 176.950086][ C0] rcu: 0-....: (1 GPs behind) idle=892/1/0x4000000000000002 softirq=14711/14713 fqs=2725 [ 176.960198][ C0] (t=10500 jiffies g=6649 q=688) [ 176.965211][ C0] rcu: rcu_preempt kthread starved for 5029 jiffies! g6649 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 176.976204][ C0] rcu: RCU grace-period kthread stack dump: [ 176.982081][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 176.989964][ C0] Call Trace: [ 176.993244][ C0] __schedule+0x9a0/0xcc0 [ 176.997570][ C0] schedule+0x181/0x210 [ 177.001712][ C0] schedule_timeout+0x14f/0x240 [ 177.006552][ C0] ? run_local_timers+0x120/0x120 [ 177.011567][ C0] rcu_gp_kthread+0xed8/0x1770 [ 177.016334][ C0] kthread+0x332/0x350 [ 177.020388][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 177.025482][ C0] ? kthread_blkcg+0xe0/0xe0 [ 177.030080][ C0] ret_from_fork+0x24/0x30 [ 177.034508][ C0] NMI backtrace for cpu 0 [ 177.038854][ C0] CPU: 0 PID: 8572 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 177.047434][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.057488][ C0] Call Trace: [ 177.060794][ C0] [ 177.063641][ C0] dump_stack+0x1fb/0x318 [ 177.067962][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 177.072802][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 177.078947][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 177.085001][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 177.090975][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 177.096861][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 177.101969][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 177.107160][ C0] ? trace_hardirqs_off+0x74/0x80 [ 177.112171][ C0] update_process_times+0x12d/0x180 [ 177.117363][ C0] tick_sched_timer+0x263/0x420 [ 177.122292][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 177.127826][ C0] __hrtimer_run_queues+0x403/0x840 [ 177.133027][ C0] hrtimer_interrupt+0x38c/0xda0 [ 177.137968][ C0] ? debug_smp_processor_id+0x9/0x20 [ 177.143253][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 177.149059][ C0] apic_timer_interrupt+0xf/0x20 [ 177.153977][ C0] [ 177.156903][ C0] RIP: 0010:__memcg_kmem_uncharge+0x138/0x1a0 [ 177.162958][ C0] Code: 42 8a 04 28 84 c0 75 3b f6 03 01 75 10 49 83 c7 10 4c 89 ff 48 8b 75 d0 e8 f5 90 00 00 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f <5d> c3 44 89 e1 80 e1 07 80 c1 03 38 c1 7c 96 4c 89 e7 e8 11 06 fb [ 177.182551][ C0] RSP: 0018:ffffc90002147878 EFLAGS: 00000296 ORIG_RAX: ffffffffffffff13 [ 177.190947][ C0] RAX: 0000000000000001 RBX: ffffea00025cb480 RCX: 0000000000000000 [ 177.198916][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00025cb480 [ 177.206871][ C0] RBP: ffffc90002147878 R08: 000000000003a728 R09: fffffbfff124248a [ 177.214831][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a899dfa0 [ 177.222786][ C0] R13: dffffc0000000000 R14: 1ffff11015133bf4 R15: ffff8880940756b8 [ 177.230773][ C0] free_thread_stack+0x12e/0x590 [ 177.235709][ C0] put_task_stack+0xa3/0x130 [ 177.240286][ C0] finish_task_switch+0x3f1/0x550 [ 177.245301][ C0] __schedule+0x9a8/0xcc0 [ 177.249642][ C0] ? ___preempt_schedule+0x16/0x18 [ 177.254741][ C0] preempt_schedule+0xdb/0x120 [ 177.259492][ C0] ___preempt_schedule+0x16/0x18 [ 177.264416][ C0] ? page_poisoning_enabled+0x1c/0x30 [ 177.269776][ C0] prep_new_page+0x161/0x2e0 [ 177.274366][ C0] get_page_from_freelist+0x850/0xaa0 [ 177.279737][ C0] __alloc_pages_nodemask+0x264/0x5d0 [ 177.285108][ C0] alloc_pages_vma+0x94a/0xd50 [ 177.289866][ C0] do_huge_pmd_anonymous_page+0x883/0xe50 [ 177.295598][ C0] handle_mm_fault+0x2017/0x2890 [ 177.300549][ C0] do_user_addr_fault+0x589/0xaf0 [ 177.305579][ C0] __do_page_fault+0xd3/0x1f0 [ 177.310252][ C0] do_page_fault+0x99/0xb0 [ 177.314663][ C0] page_fault+0x39/0x40 [ 177.318804][ C0] RIP: 0033:0x4421c9 [ 177.322686][ C0] Code: b7 0e 66 89 0f 48 83 c6 02 48 83 c7 02 0f 1f 40 00 f6 c2 04 74 0c 8b 0e 89 0f 48 83 c6 04 48 83 c7 04 f6 c2 08 74 0e 48 8b 0e <48> 89 0f 48 83 c6 08 48 83 c7 08 81 e2 f0 00 00 00 74 1f 0f 1f 40 [ 177.342283][ C0] RSP: 002b:00007ffd2f9b9b18 EFLAGS: 00010202 [ 177.348338][ C0] RAX: 0000000020000000 RBX: 0000000000000000 RCX: 0030656c69662f2e [ 177.356298][ C0] RDX: 0000000000000008 RSI: 0000000000760020 RDI: 0000000020000000 [ 177.364360][ C0] RBP: 0000000000760000 R08: 0000000000000000 R09: 0000000000000004 [ 177.372315][ C0] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000001 [ 177.380273][ C0] R13: 00007ffd2f9b9d00 R14: 0000000000760008 R15: 00007ffd2f9b9d10