[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 49.333201][ T23] audit: type=1800 audit(1578486793.766:25): pid=8418 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 49.362697][ T23] audit: type=1800 audit(1578486793.766:26): pid=8418 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 49.383198][ T23] audit: type=1800 audit(1578486793.766:27): pid=8418 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 '10.128.0.74' (ECDSA) to the list of known hosts. 2020/01/08 12:33:23 fuzzer started 2020/01/08 12:33:25 dialing manager at 10.128.0.26:35703 2020/01/08 12:33:25 syscalls: 2824 2020/01/08 12:33:25 code coverage: enabled 2020/01/08 12:33:25 comparison tracing: enabled 2020/01/08 12:33:25 extra coverage: enabled 2020/01/08 12:33:25 setuid sandbox: enabled 2020/01/08 12:33:25 namespace sandbox: enabled 2020/01/08 12:33:25 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 12:33:25 fault injection: enabled 2020/01/08 12:33:25 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 12:33:25 net packet injection: enabled 2020/01/08 12:33:25 net device setup: enabled 2020/01/08 12:33:25 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 12:33:25 devlink PCI setup: PCI device 0000:00:10.0 is not available 12:33:26 executing program 0: setsockopt$bt_BT_SNDMTU(0xffffffffffffffff, 0x112, 0xc, &(0x7f0000000080)=0xf, 0x2) r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000140)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000100), 0x2}}, 0x20) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000000080), 0xfffffebe}], 0x1) 12:33:27 executing program 1: r0 = socket$inet6(0xa, 0x20400000080002, 0x0) setsockopt$inet6_group_source_req(r0, 0x29, 0x2e, &(0x7f0000000340)={0x0, {{0xa, 0x0, 0x0, @rand_addr="b21de9b482d554c9955bc12d1d7e809f"}}, {{0xa, 0x0, 0x0, @remote}}}, 0x108) syzkaller login: [ 62.742136][ T8586] IPVS: ftp: loaded support on port[0] = 21 [ 62.925452][ T8589] IPVS: ftp: loaded support on port[0] = 21 [ 62.932742][ T8586] chnl_net:caif_netlink_parms(): no params data found 12:33:27 executing program 2: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup3(r1, r0, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) prlimit64(0x0, 0x0, &(0x7f00000000c0)={0x2, 0x9}, 0xfffffffffffffffe) clone3(&(0x7f0000000100)={0x20008000, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x40) [ 63.005679][ T8586] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.022189][ T8586] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.045998][ T8586] device bridge_slave_0 entered promiscuous mode [ 63.067560][ T8586] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.083518][ T8586] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.103756][ T8586] device bridge_slave_1 entered promiscuous mode [ 63.172375][ T8586] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.190866][ T8586] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.207604][ T8589] chnl_net:caif_netlink_parms(): no params data found [ 63.228174][ T8592] IPVS: ftp: loaded support on port[0] = 21 [ 63.237472][ T8586] team0: Port device team_slave_0 added [ 63.249228][ T8586] team0: Port device team_slave_1 added 12:33:27 executing program 3: mkdir(&(0x7f0000000200)='./file0\x00', 0x0) readlinkat(0xffffffffffffffff, 0x0, 0x0, 0x0) mount(0x0, &(0x7f0000026ff8)='./file0\x00', &(0x7f00000000c0)='tmpfs\x00', 0x0, 0x0) write$FUSE_NOTIFY_RETRIEVE(0xffffffffffffffff, 0x0, 0x0) chdir(&(0x7f0000000140)='./file0\x00') mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mkdir(&(0x7f00000009c0)='./file1\x00', 0x0) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 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, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000100)='cgroup.controllers\x00', 0x2761, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0xc0c0583b, 0x20000001) ioctl$ASHMEM_SET_PROT_MASK(r0, 0x40087705, &(0x7f0000000040)={0x80000000, 0x20}) mount$overlay(0x40000a, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000640)=ANY=[@ANYBLOB='upperdir=./file0,lowerdir=./file0,workdir=./file1']) mount(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000240)='cgroup2\x00', 0x0, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) [ 63.357689][ T8586] device hsr_slave_0 entered promiscuous mode [ 63.464810][ T8586] device hsr_slave_1 entered promiscuous mode 12:33:27 executing program 4: mkdir(&(0x7f0000000300)='./file0\x00', 0x0) sched_setaffinity(0x0, 0xfffffffffffffff5, &(0x7f0000000000)=0x5) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(0x0, &(0x7f0000000400)='./file0\x00', &(0x7f0000000280)='tmpfs\x00', 0x0, 0x0) getresuid(0x0, 0x0, 0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, 0x0, &(0x7f0000000380)) setsockopt(0xffffffffffffffff, 0x0, 0x40, &(0x7f0000000000), 0x18) preadv(0xffffffffffffffff, 0x0, 0x0, 0x0) getpeername$unix(0xffffffffffffffff, &(0x7f00000006c0), 0x0) lsetxattr$system_posix_acl(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000140)='system.posix_acl_access\x00', &(0x7f00000003c0)={{}, {}, [], {0x4, 0x2}, [{}], {0x10, 0x2}}, 0x2c, 0x0) r0 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) chown(&(0x7f00000001c0)='./file0\x00', r1, 0x0) chdir(&(0x7f0000000100)='./file0\x00') symlink(&(0x7f0000000800)='./file0/file0\x00', &(0x7f00000007c0)='./file0\x00') clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) lstat(&(0x7f0000000600)='./file0/file0\x00', 0x0) creat(&(0x7f0000000280)='./file0\x00', 0x1) ioctl$UI_SET_RELBIT(0xffffffffffffffff, 0x40045566, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000240), &(0x7f0000000280)=0x5) setuid(0x0) [ 63.528357][ T8594] IPVS: ftp: loaded support on port[0] = 21 [ 63.560820][ T8589] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.582704][ T8589] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.590589][ T8589] device bridge_slave_0 entered promiscuous mode [ 63.615472][ T8589] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.622771][ T8589] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.630615][ T8589] device bridge_slave_1 entered promiscuous mode [ 63.718412][ T8589] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.759585][ T8596] IPVS: ftp: loaded support on port[0] = 21 [ 63.791609][ T8589] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 12:33:28 executing program 5: r0 = creat(&(0x7f0000000000)='./file0\x00', 0x0) lseek(r0, 0x40008000000c, 0x1) [ 63.933410][ T8589] team0: Port device team_slave_0 added [ 63.939648][ T8592] chnl_net:caif_netlink_parms(): no params data found [ 63.984830][ T8589] team0: Port device team_slave_1 added [ 64.015562][ T8594] chnl_net:caif_netlink_parms(): no params data found [ 64.048461][ T8600] IPVS: ftp: loaded support on port[0] = 21 [ 64.104690][ T8589] device hsr_slave_0 entered promiscuous mode [ 64.143051][ T8589] device hsr_slave_1 entered promiscuous mode [ 64.203117][ T8589] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.210880][ T8589] Cannot create hsr debugfs directory [ 64.239109][ T8586] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.328369][ T8586] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.401658][ T8586] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.464341][ T8594] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.471494][ T8594] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.481401][ T8594] device bridge_slave_0 entered promiscuous mode [ 64.489089][ T8592] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.497852][ T8592] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.505876][ T8592] device bridge_slave_0 entered promiscuous mode [ 64.516101][ T8596] chnl_net:caif_netlink_parms(): no params data found [ 64.530796][ T8586] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.584378][ T8594] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.591704][ T8594] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.600285][ T8594] device bridge_slave_1 entered promiscuous mode [ 64.607324][ T8592] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.614808][ T8592] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.623207][ T8592] device bridge_slave_1 entered promiscuous mode [ 64.679993][ T8592] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.692093][ T8592] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.735900][ T8594] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.751084][ T8594] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.775195][ T8592] team0: Port device team_slave_0 added [ 64.800368][ T8594] team0: Port device team_slave_0 added [ 64.814866][ T8596] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.822025][ T8596] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.830407][ T8596] device bridge_slave_0 entered promiscuous mode [ 64.837892][ T8589] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.905468][ T8592] team0: Port device team_slave_1 added [ 64.911385][ T8589] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 64.964878][ T8594] team0: Port device team_slave_1 added [ 64.970807][ T8589] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 65.004483][ T8589] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.047035][ T8596] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.054613][ T8596] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.062417][ T8596] device bridge_slave_1 entered promiscuous mode [ 65.174913][ T8592] device hsr_slave_0 entered promiscuous mode [ 65.225478][ T8592] device hsr_slave_1 entered promiscuous mode [ 65.272685][ T8592] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.280454][ T8592] Cannot create hsr debugfs directory [ 65.339351][ T8596] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.365037][ T8594] device hsr_slave_0 entered promiscuous mode [ 65.402968][ T8594] device hsr_slave_1 entered promiscuous mode [ 65.442934][ T8594] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.450680][ T8594] Cannot create hsr debugfs directory [ 65.457241][ T8600] chnl_net:caif_netlink_parms(): no params data found [ 65.474885][ T8596] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.503658][ T8596] team0: Port device team_slave_0 added [ 65.513732][ T8596] team0: Port device team_slave_1 added [ 65.635692][ T8596] device hsr_slave_0 entered promiscuous mode [ 65.673054][ T8596] device hsr_slave_1 entered promiscuous mode [ 65.713156][ T8596] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.721014][ T8596] Cannot create hsr debugfs directory [ 65.750949][ T8600] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.760065][ T8600] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.768499][ T8600] device bridge_slave_0 entered promiscuous mode [ 65.778182][ T8600] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.786493][ T8600] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.794422][ T8600] device bridge_slave_1 entered promiscuous mode [ 65.846187][ T8600] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.873703][ T8600] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.894134][ T8586] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.927013][ T8600] team0: Port device team_slave_0 added [ 65.960431][ T8600] team0: Port device team_slave_1 added [ 65.987786][ T8586] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.996959][ T8592] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.056962][ T8589] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.068709][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.077266][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.085881][ T8596] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 66.184657][ T8600] device hsr_slave_0 entered promiscuous mode [ 66.233296][ T8600] device hsr_slave_1 entered promiscuous mode [ 66.302720][ T8600] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.310849][ T8600] Cannot create hsr debugfs directory [ 66.323970][ T8592] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.365232][ T8592] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.414879][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.424201][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.432962][ T2880] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.440225][ T2880] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.448843][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.457526][ T8596] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 66.523071][ T8592] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.596583][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.605486][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.614581][ T2934] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.621928][ T2934] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.631749][ T8596] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 66.695079][ T8596] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 66.762003][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.780239][ T8589] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.800836][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.809910][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.820049][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.829447][ T8594] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 66.895600][ T8594] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 66.947289][ T8594] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.043304][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.051879][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.061160][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.071596][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.081192][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.089726][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.097920][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.106422][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.115434][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.124564][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.133843][ T2944] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.141551][ T2944] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.149724][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.158539][ T2944] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.167005][ T2944] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.174134][ T2944] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.183258][ T8594] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 67.240549][ T8586] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.260186][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.268562][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.278007][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.337344][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.355418][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.364098][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.371937][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.382388][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.395500][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.417753][ T8586] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.440220][ T8600] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 67.464830][ T8600] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 67.524853][ T8600] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 67.574760][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.585086][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.601006][ T8589] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.612660][ T8589] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.643158][ T8600] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 67.665036][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.675651][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.685124][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.694781][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.705174][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.747165][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.757989][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.779214][ T8592] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.800161][ T8596] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.815881][ T8594] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.829223][ T8592] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.846123][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.854535][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.862308][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.871665][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.891307][ T8594] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.915511][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.925396][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.934681][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.944414][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.955315][ T2867] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.963223][ T2867] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.970904][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.979928][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.988063][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.999752][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.009759][ T2867] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.017861][ T2867] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.027307][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.037456][ T8589] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.048537][ T8596] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.061489][ T8586] device veth0_vlan entered promiscuous mode [ 68.085198][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.094163][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.102461][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.113976][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.124009][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.134098][ T2867] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.141382][ T2867] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.149786][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.158471][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.167960][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.191061][ T8586] device veth1_vlan entered promiscuous mode [ 68.203114][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.212021][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.222376][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.231822][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.244048][ T2934] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.253970][ T2934] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.262475][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.271753][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.281434][ T2934] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.288754][ T2934] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.298514][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.306990][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.316734][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.339391][ T8600] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.353858][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.362050][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.371443][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.381164][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.391089][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.401086][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.410834][ T2934] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.421454][ T2934] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.429422][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.438745][ T2934] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.452914][ T2867] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.506049][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.517638][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.543965][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.553332][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.562157][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.571730][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.581063][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.590641][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.600813][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.609864][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.619402][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.629599][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.639686][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.648943][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.659549][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.671633][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.681355][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.689709][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.698225][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.708582][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.716914][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.725654][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.734806][ T2880] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.759263][ T8600] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.778066][ T8592] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.803401][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.816493][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.837647][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.847885][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.859726][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.870659][ T2869] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.885669][ T2869] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.893270][ T2869] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.917556][ T8596] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.956499][ T8596] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 173.812537][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 173.819330][ C0] rcu: 0-...!: (10499 ticks this GP) idle=c1e/1/0x4000000000000002 softirq=12468/12468 fqs=7 [ 173.829847][ C0] (t=10500 jiffies g=7117 q=194) [ 173.834862][ C0] rcu: rcu_preempt kthread starved for 10485 jiffies! g7117 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 173.846031][ C0] rcu: RCU grace-period kthread stack dump: [ 173.851910][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 173.859915][ C0] Call Trace: [ 173.863216][ C0] __schedule+0x9a0/0xcc0 [ 173.867565][ C0] schedule+0x181/0x210 [ 173.871721][ C0] schedule_timeout+0x14f/0x240 [ 173.876580][ C0] ? run_local_timers+0x120/0x120 [ 173.881605][ C0] rcu_gp_kthread+0xed8/0x1770 [ 173.886372][ C0] kthread+0x332/0x350 [ 173.890433][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 173.895537][ C0] ? kthread_blkcg+0xe0/0xe0 [ 173.900118][ C0] ret_from_fork+0x24/0x30 [ 173.904533][ C0] NMI backtrace for cpu 0 [ 173.908849][ C0] CPU: 0 PID: 8605 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 173.917413][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.927452][ C0] Call Trace: [ 173.930726][ C0] [ 173.933568][ C0] dump_stack+0x1fb/0x318 [ 173.937886][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 173.942722][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 173.948864][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 173.955017][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 173.960986][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 173.966884][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 173.972005][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 173.977219][ C0] ? trace_hardirqs_off+0x74/0x80 [ 173.982243][ C0] update_process_times+0x12d/0x180 [ 173.987462][ C0] tick_sched_timer+0x263/0x420 [ 173.992330][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 173.997866][ C0] __hrtimer_run_queues+0x403/0x840 [ 174.003073][ C0] hrtimer_interrupt+0x38c/0xda0 [ 174.008017][ C0] ? debug_smp_processor_id+0x9/0x20 [ 174.013298][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 174.018834][ C0] apic_timer_interrupt+0xf/0x20 [ 174.023754][ C0] [ 174.026690][ C0] RIP: 0010:__memcg_kmem_uncharge+0x8/0x1a0 [ 174.032572][ C0] Code: 07 00 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 8c 85 ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 <41> 55 41 54 53 50 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff df 4c [ 174.052248][ C0] RSP: 0018:ffffc90002137430 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 174.060672][ C0] RAX: ffffffff81489244 RBX: ffffea0002673280 RCX: 0000000000040000 [ 174.068655][ C0] RDX: ffffc90001f19000 RSI: 0000000000000000 RDI: ffffea0002673280 [ 174.076654][ C0] RBP: ffffc90002137440 R08: 000000000003a728 R09: ffffed10112c56b1 [ 174.084761][ C0] R10: ffffed10112c56b1 R11: 0000000000000000 R12: ffff8880a2568020 [ 174.092725][ C0] R13: dffffc0000000000 R14: 1ffff110144ad004 R15: ffff88808962b578 [ 174.100833][ C0] ? free_thread_stack+0x124/0x590 [ 174.105969][ C0] free_thread_stack+0x12e/0x590 [ 174.110925][ C0] put_task_stack+0xa3/0x130 [ 174.119179][ C0] finish_task_switch+0x3f1/0x550 [ 174.124396][ C0] __schedule+0x9a8/0xcc0 [ 174.128730][ C0] ? ___preempt_schedule+0x16/0x18 [ 174.133839][ C0] preempt_schedule+0xdb/0x120 [ 174.138615][ C0] ___preempt_schedule+0x16/0x18 [ 174.143565][ C0] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 174.149192][ C0] pwq_adjust_max_active+0x791/0x8d0 [ 174.154601][ C0] numa_pwq_tbl_install+0x217/0x430 [ 174.159800][ C0] apply_wqattrs_commit+0x1d2/0x570 [ 174.165148][ C0] apply_workqueue_attrs_locked+0xdc/0x650 [ 174.170965][ C0] alloc_workqueue+0xddc/0x1310 [ 174.175863][ C0] ? rcu_read_lock_sched_held+0x10b/0x170 [ 174.181585][ C0] ? trace_kmalloc+0xcd/0x130 [ 174.186274][ C0] ? ucma_open+0x67/0x1f0 [ 174.190621][ C0] ? ucma_open+0x57/0x1f0 [ 174.194969][ C0] ucma_open+0x8c/0x1f0 [ 174.199121][ C0] ? ucma_poll+0xd0/0xd0 [ 174.203359][ C0] misc_open+0x3ef/0x440 [ 174.207881][ C0] chrdev_open+0x509/0x590 [ 174.212309][ C0] ? cd_forget+0x160/0x160 [ 174.216729][ C0] do_dentry_open+0x740/0x10c0 [ 174.221511][ C0] vfs_open+0x73/0x80 [ 174.225496][ C0] path_openat+0x1387/0x4240 [ 174.230091][ C0] ? __kasan_kmalloc+0x178/0x1b0 [ 174.235077][ C0] do_filp_open+0x192/0x3d0 [ 174.239619][ C0] do_sys_open+0x29f/0x560 [ 174.244048][ C0] __x64_sys_openat+0xa2/0xb0 [ 174.248796][ C0] do_syscall_64+0xf7/0x1c0 [ 174.253314][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.259216][ C0] RIP: 0033:0x45af49 [ 174.263146][ C0] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 174.282773][ C0] RSP: 002b:00007f7b37fdec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 174.291371][ C0] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045af49 [ 174.299348][ C0] RDX: 0000000000000002 RSI: 0000000020000180 RDI: ffffffffffffff9c [ 174.307346][ C0] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 174.315329][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7b37fdf6d4 [ 174.323306][ C0] R13: 00000000004c8ab8 R14: 00000000004e10f8 R15: 00000000ffffffff