[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 48.677123][ T26] audit: type=1800 audit(1578449699.501:25): pid=8311 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 48.696248][ T26] audit: type=1800 audit(1578449699.511:26): pid=8311 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 48.747341][ T26] audit: type=1800 audit(1578449699.511:27): pid=8311 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 '10.128.10.3' (ECDSA) to the list of known hosts. 2020/01/08 02:15:10 fuzzer started 2020/01/08 02:15:11 dialing manager at 10.128.0.26:35703 2020/01/08 02:15:11 syscalls: 2824 2020/01/08 02:15:11 code coverage: enabled 2020/01/08 02:15:11 comparison tracing: enabled 2020/01/08 02:15:11 extra coverage: enabled 2020/01/08 02:15:11 setuid sandbox: enabled 2020/01/08 02:15:11 namespace sandbox: enabled 2020/01/08 02:15:11 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 02:15:11 fault injection: enabled 2020/01/08 02:15:11 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 02:15:11 net packet injection: enabled 2020/01/08 02:15:11 net device setup: enabled 2020/01/08 02:15:11 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 02:15:11 devlink PCI setup: PCI device 0000:00:10.0 is not available syzkaller login: [ 60.916689][ T8475] ld (8475) used greatest stack depth: 23416 bytes left 02:15:12 executing program 0: r0 = memfd_create(&(0x7f0000001fc1)='\x00\xac=\x9d\xd2\xdb\xe6\xbf\xb4\b\xedcJ\x8e\x84\xd4N\x12\x9b\x1f\t\xbd\x11+\x86T\x16\xa3\xb3\xae0\x9f9?\xefo\xa4k\x012>\xa1\x9c\x86x\x1c\x9f\x84\x195\xde\x97_\t~\xf3Y\x12\"p^\xc1\x0f', 0x0) fallocate(r0, 0x0, 0x2000421, 0x1) write(r0, &(0x7f0000000340)='/', 0x1) sendfile(r0, r0, &(0x7f0000001000), 0xfec) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x4, 0x2000000000011, r0, 0x0) mount$bpf(0x20000000, &(0x7f0000000300)='./file0/file0\x00', 0x0, 0x202800, 0x0) 02:15:13 executing program 1: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) set_mempolicy(0x2007, 0x0, 0x0) [ 62.390112][ T8479] IPVS: ftp: loaded support on port[0] = 21 [ 62.472354][ T8481] IPVS: ftp: loaded support on port[0] = 21 02:15:13 executing program 2: mkdir(&(0x7f0000000b40)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000080)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000400)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000001c0)={[{@lowerdir={'lowerdir', 0x3d, './bus'}}, {@workdir={'workdir', 0x3d, './file1'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]}) rmdir(&(0x7f0000000040)='./bus/file0\x00') [ 62.583298][ T8479] chnl_net:caif_netlink_parms(): no params data found [ 62.713399][ T8479] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.728988][ T8479] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.737396][ T8479] device bridge_slave_0 entered promiscuous mode [ 62.747510][ T8481] chnl_net:caif_netlink_parms(): no params data found [ 62.764849][ T8479] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.772660][ T8479] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.783408][ T8479] device bridge_slave_1 entered promiscuous mode [ 62.811293][ T8479] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.812648][ T8485] IPVS: ftp: loaded support on port[0] = 21 [ 62.826556][ T8479] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.878551][ T8481] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.909071][ T8481] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.916792][ T8481] device bridge_slave_0 entered promiscuous mode 02:15:13 executing program 3: r0 = socket$inet(0x2, 0x803, 0x85) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f00000003c0)=0x7fe, 0x4) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000000)=0x2008, 0x4) [ 62.943546][ T8481] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.952134][ T8481] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.962244][ T8481] device bridge_slave_1 entered promiscuous mode [ 62.972113][ T8479] team0: Port device team_slave_0 added [ 63.003178][ T8479] team0: Port device team_slave_1 added [ 63.026766][ T8481] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.064610][ T8481] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.121889][ T8479] device hsr_slave_0 entered promiscuous mode 02:15:14 executing program 4: r0 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/mixer\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_PVERSION(r0, 0x80044dfb, &(0x7f0000000040)) [ 63.189238][ T8479] device hsr_slave_1 entered promiscuous mode [ 63.297463][ T8487] IPVS: ftp: loaded support on port[0] = 21 [ 63.346700][ T8481] team0: Port device team_slave_0 added [ 63.395371][ T8481] team0: Port device team_slave_1 added 02:15:14 executing program 5: r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) recvmsg(0xffffffffffffffff, 0x0, 0x80001080) [ 63.501672][ T8481] device hsr_slave_0 entered promiscuous mode [ 63.539558][ T8481] device hsr_slave_1 entered promiscuous mode [ 63.590912][ T8481] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.599179][ T8481] Cannot create hsr debugfs directory [ 63.604910][ T8485] chnl_net:caif_netlink_parms(): no params data found [ 63.666454][ T8490] IPVS: ftp: loaded support on port[0] = 21 [ 63.758643][ T8492] IPVS: ftp: loaded support on port[0] = 21 [ 63.786665][ T8485] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.793873][ T8485] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.801855][ T8485] device bridge_slave_0 entered promiscuous mode [ 63.812732][ T8485] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.819894][ T8485] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.827482][ T8485] device bridge_slave_1 entered promiscuous mode [ 63.834792][ T8487] chnl_net:caif_netlink_parms(): no params data found [ 63.901615][ T8485] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.913521][ T8485] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.958225][ T8479] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.024341][ T8479] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.074767][ T8479] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.134985][ T8479] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.205553][ T8487] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.212852][ T8487] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.220706][ T8487] device bridge_slave_0 entered promiscuous mode [ 64.230054][ T8485] team0: Port device team_slave_0 added [ 64.235949][ T8487] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.243095][ T8487] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.251747][ T8487] device bridge_slave_1 entered promiscuous mode [ 64.270252][ T8481] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.321258][ T8485] team0: Port device team_slave_1 added [ 64.338537][ T8481] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 64.428205][ T8487] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.441420][ T8487] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.469608][ T8481] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 64.552036][ T8485] device hsr_slave_0 entered promiscuous mode [ 64.589293][ T8485] device hsr_slave_1 entered promiscuous mode [ 64.638959][ T8485] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.646540][ T8485] Cannot create hsr debugfs directory [ 64.686187][ T8481] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 64.762965][ T8492] chnl_net:caif_netlink_parms(): no params data found [ 64.777426][ T8487] team0: Port device team_slave_0 added [ 64.785910][ T8487] team0: Port device team_slave_1 added [ 64.810782][ T8490] chnl_net:caif_netlink_parms(): no params data found [ 64.912988][ T8487] device hsr_slave_0 entered promiscuous mode [ 64.969316][ T8487] device hsr_slave_1 entered promiscuous mode [ 65.031827][ T8487] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.039674][ T8487] Cannot create hsr debugfs directory [ 65.061864][ T8492] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.069545][ T8492] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.077520][ T8492] device bridge_slave_0 entered promiscuous mode [ 65.103062][ T8492] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.112084][ T8492] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.121554][ T8492] device bridge_slave_1 entered promiscuous mode [ 65.178263][ T8485] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 65.242572][ T8485] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.322598][ T8490] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.330387][ T8490] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.338312][ T8490] device bridge_slave_0 entered promiscuous mode [ 65.348379][ T8492] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.358278][ T8485] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.411589][ T8485] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.484480][ T8490] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.492226][ T8490] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.500369][ T8490] device bridge_slave_1 entered promiscuous mode [ 65.509407][ T8492] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.535767][ T8479] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.591445][ T8490] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.610304][ T8492] team0: Port device team_slave_0 added [ 65.618413][ T8492] team0: Port device team_slave_1 added [ 65.653059][ T8479] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.662861][ T8490] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.677878][ T8487] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 65.710892][ T8487] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 65.766202][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.774436][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.822522][ T8492] device hsr_slave_0 entered promiscuous mode [ 65.879463][ T8492] device hsr_slave_1 entered promiscuous mode [ 65.919051][ T8492] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.926720][ T8492] Cannot create hsr debugfs directory [ 65.948738][ T8487] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 66.011833][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.021225][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.029930][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.037090][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.045582][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.055562][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.064067][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.071163][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.079639][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.097084][ T8490] team0: Port device team_slave_0 added [ 66.105139][ T8487] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 66.198291][ T8490] team0: Port device team_slave_1 added [ 66.232351][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.242223][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.277184][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.287275][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.310064][ T8481] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.344298][ T8490] device hsr_slave_0 entered promiscuous mode [ 66.399575][ T8490] device hsr_slave_1 entered promiscuous mode [ 66.479360][ T8490] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.486977][ T8490] Cannot create hsr debugfs directory [ 66.515602][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.525274][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.534438][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.583956][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.592822][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.623654][ T8479] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.635414][ T8479] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.643666][ T8492] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 66.711462][ T8492] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 66.751876][ T8492] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 66.810903][ T8492] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 66.890843][ T8485] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.899198][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.907457][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.933792][ T8481] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.960146][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.967710][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.977353][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.985834][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.004726][ T8479] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.020950][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.033253][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.047301][ T8487] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.061966][ T8485] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.082167][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.091753][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.100364][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.107396][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.115643][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.146668][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.158746][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.167394][ T2693] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.174582][ T2693] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.182731][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.191518][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.200388][ T2693] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.207563][ T2693] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.217086][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.230670][ T8490] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 67.270959][ T8490] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 67.321333][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.331696][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.340564][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.347605][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.355777][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.382822][ T8487] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.392545][ T8490] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 67.431287][ T8490] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 67.471130][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.481570][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.490480][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.498167][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.506026][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.524086][ T8479] device veth0_vlan entered promiscuous mode [ 67.554861][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.563676][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.574481][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.582863][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.592404][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.600984][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.609421][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.617998][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.627010][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.636685][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.645092][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.658567][ T8481] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.670559][ T8481] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.700162][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.708604][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.718143][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.727902][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.736515][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.746013][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.754935][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.763565][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.772277][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.781074][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.790221][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.797257][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.806333][ T8479] device veth1_vlan entered promiscuous mode [ 67.821088][ T8492] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.840553][ T8485] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.851019][ T8485] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.863566][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.872410][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.880211][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.887937][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.896053][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.904676][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.913096][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.920198][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.928063][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.936786][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.945206][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.953835][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.962262][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.995154][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.003878][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.011759][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.019610][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.027361][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.040099][ T8492] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.075956][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.092886][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.101802][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.110904][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.120952][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.128400][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.140304][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.148204][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.158463][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.171896][ T2925] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.179036][ T2925] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.188697][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.197137][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.205570][ T2925] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.222742][ T8485] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.248019][ T8490] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.270700][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.278317][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.286951][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.313649][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.323372][ T2693] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.330541][ T2693] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.340443][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.378146][ T8490] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.418993][ T8490] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.429749][ T8490] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.464230][ T8490] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 173.468780][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 173.475685][ C1] rcu: 1-...!: (1 GPs behind) idle=fb6/1/0x4000000000000002 softirq=12471/12472 fqs=0 [ 173.485678][ C1] (t=10501 jiffies g=7165 q=355) [ 173.490716][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g7165 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 173.501833][ C1] rcu: RCU grace-period kthread stack dump: [ 173.507813][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 173.515738][ C1] Call Trace: [ 173.519045][ C1] __schedule+0x9a0/0xcc0 [ 173.523385][ C1] schedule+0x181/0x210 [ 173.527542][ C1] schedule_timeout+0x14f/0x240 [ 173.532913][ C1] ? run_local_timers+0x120/0x120 [ 173.537943][ C1] rcu_gp_kthread+0xed8/0x1770 [ 173.542715][ C1] kthread+0x332/0x350 [ 173.546782][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 173.551889][ C1] ? kthread_blkcg+0xe0/0xe0 [ 173.556478][ C1] ret_from_fork+0x24/0x30 [ 173.560922][ C1] NMI backtrace for cpu 1 [ 173.565279][ C1] CPU: 1 PID: 8479 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 173.574111][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.584306][ C1] Call Trace: [ 173.587617][ C1] [ 173.591196][ C1] dump_stack+0x1fb/0x318 [ 173.595543][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 173.600613][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 173.606836][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 173.612914][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 173.618905][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 173.624798][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 173.630065][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 173.635285][ C1] ? trace_hardirqs_off+0x74/0x80 [ 173.640335][ C1] update_process_times+0x12d/0x180 [ 173.645632][ C1] tick_sched_timer+0x263/0x420 [ 173.650576][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 173.656129][ C1] __hrtimer_run_queues+0x403/0x840 [ 173.661346][ C1] hrtimer_interrupt+0x38c/0xda0 [ 173.666315][ C1] ? debug_smp_processor_id+0x9/0x20 [ 173.671712][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 173.677257][ C1] apic_timer_interrupt+0xf/0x20 [ 173.682186][ C1] [ 173.685125][ C1] RIP: 0010:__memcg_kmem_uncharge+0x138/0x1a0 [ 173.691203][ C1] 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 [ 173.710907][ C1] RSP: 0000:ffffc90001ee7bc0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 173.719325][ C1] RAX: 0000000000000001 RBX: ffffea00029abd40 RCX: 0000000000000000 [ 173.727433][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00029abd40 [ 173.735532][ C1] RBP: ffffc90001ee7bc0 R08: 000000000003a728 R09: ffffed101482f2c1 [ 173.743506][ C1] R10: ffffed101482f2c1 R11: 0000000000000000 R12: ffff88808dcf69a0 [ 173.751499][ C1] R13: dffffc0000000000 R14: 1ffff11011b9ed34 R15: ffff8880a41795f8 [ 173.759499][ C1] free_thread_stack+0x12e/0x590 [ 173.764436][ C1] put_task_stack+0xa3/0x130 [ 173.769028][ C1] finish_task_switch+0x3f1/0x550 [ 173.774146][ C1] __schedule+0x9a8/0xcc0 [ 173.778496][ C1] schedule+0x181/0x210 [ 173.782707][ C1] do_nanosleep+0x1d0/0x6c0 [ 173.787306][ C1] hrtimer_nanosleep+0x3a6/0x5b0 [ 173.792248][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 173.798237][ C1] __x64_sys_nanosleep+0x186/0x1d0 [ 173.804061][ C1] do_syscall_64+0xf7/0x1c0 [ 173.808578][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 173.814485][ C1] RIP: 0033:0x4593f0 [ 173.818402][ C1] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 41 f5 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 [ 173.838020][ C1] RSP: 002b:00007fff104e6568 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 173.846434][ C1] RAX: ffffffffffffffda RBX: 0000000000010acd RCX: 00000000004593f0 [ 173.854624][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff104e6570 [ 173.862691][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000001d38940 [ 173.870750][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 173.878991][ C1] R13: 00007fff104e65c0 R14: 0000000000010acd R15: 00007fff104e65d0