[ 44.248168][ T24] audit: type=1800 audit(1575376481.749:26): pid=7978 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.281688][ T24] audit: type=1800 audit(1575376481.749:27): pid=7978 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 44.311019][ T24] audit: type=1800 audit(1575376481.749:28): pid=7978 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 45.083166][ T24] audit: type=1800 audit(1575376482.609:29): pid=7978 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.16' (ECDSA) to the list of known hosts. 2019/12/03 12:34:49 fuzzer started 2019/12/03 12:34:51 dialing manager at 10.128.0.26:45711 2019/12/03 12:34:51 syscalls: 2689 2019/12/03 12:34:51 code coverage: enabled 2019/12/03 12:34:51 comparison tracing: enabled 2019/12/03 12:34:51 extra coverage: extra coverage is not supported by the kernel 2019/12/03 12:34:51 setuid sandbox: enabled 2019/12/03 12:34:51 namespace sandbox: enabled 2019/12/03 12:34:51 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 12:34:51 fault injection: enabled 2019/12/03 12:34:51 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 12:34:51 net packet injection: enabled 2019/12/03 12:34:51 net device setup: enabled 2019/12/03 12:34:51 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 12:34:51 devlink PCI setup: PCI device 0000:00:10.0 is not available 12:34:52 executing program 0: r0 = shmget(0xffffffffffffffff, 0x3000, 0x0, &(0x7f0000ffd000/0x3000)=nil) r1 = shmat(r0, &(0x7f0000fea000/0x3000)=nil, 0x5000) mremap(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x1000, 0x3, &(0x7f0000feb000/0x1000)=nil) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = fcntl$dupfd(r2, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) shmdt(r1) 12:34:52 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = eventfd2(0x0, 0x0) r2 = fcntl$dupfd(r0, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) futex(&(0x7f000000cffc)=0x200000004, 0x80, 0x4, 0x0, 0x0, 0x0) futex(&(0x7f000000cffc), 0x85, 0x0, 0x0, &(0x7f0000000080), 0x2000000) syzkaller login: [ 55.159534][ T8142] IPVS: ftp: loaded support on port[0] = 21 [ 55.274784][ T8144] IPVS: ftp: loaded support on port[0] = 21 12:34:52 executing program 2: bpf$MAP_CREATE(0x0, &(0x7f0000000280)={0x14, 0x4, 0x4, 0x400, 0x0, 0x1}, 0x2c) socket$kcm(0x29, 0x5, 0x0) r0 = socket$kcm(0x2, 0x2, 0x0) setsockopt$sock_attach_bpf(r0, 0x1, 0xf, &(0x7f0000000400), 0x8) sendmsg$kcm(r0, &(0x7f0000000a80)={0x0, 0x0, 0x0}, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x5}, 0x2c) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) waitid(0x0, 0x0, 0x0, 0x0, 0x0) syz_open_procfs(0x0, 0x0) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) bpf$MAP_CREATE(0x2, &(0x7f0000003000)={0x3, 0x0, 0x77fffb, 0x0, 0x10020000000, 0x0}, 0x2c) bpf$MAP_DELETE_ELEM(0x3, 0x0, 0x0) getresgid(0x0, 0x0, 0x0) [ 55.327395][ T8142] chnl_net:caif_netlink_parms(): no params data found [ 55.426066][ T8142] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.434769][ T8142] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.452918][ T8142] device bridge_slave_0 entered promiscuous mode [ 55.497153][ T8142] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.505898][ T8142] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.515060][ T8142] device bridge_slave_1 entered promiscuous mode [ 55.530187][ T8147] IPVS: ftp: loaded support on port[0] = 21 [ 55.574662][ T8144] chnl_net:caif_netlink_parms(): no params data found [ 55.588544][ T8142] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 12:34:53 executing program 3: perf_event_open(&(0x7f0000000280)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xc, 0xe, &(0x7f00000004c0)=ANY=[@ANYBLOB="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"], &(0x7f0000000340)='syzkaller\x00'}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000780)={r0, 0x18000000000002a0, 0xe0, 0x900, &(0x7f00000006c0)="b9ff0300000d698cb89e40f086ddd501890600de0500000077fb7f11c72be9", 0x0, 0x100}, 0x28) [ 55.626766][ T8142] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.726213][ T8142] team0: Port device team_slave_0 added [ 55.741843][ T8144] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.748933][ T8144] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.759508][ T8144] device bridge_slave_0 entered promiscuous mode [ 55.771927][ T8142] team0: Port device team_slave_1 added [ 55.787209][ T8144] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.795283][ T8144] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.805251][ T8144] device bridge_slave_1 entered promiscuous mode [ 55.819977][ T8150] IPVS: ftp: loaded support on port[0] = 21 12:34:53 executing program 4: openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/\x00\x00\x00\x0e\x00\x00\x00\x00\x00\x00\a/expire_nodest_conn\x00', 0x2, 0x0) mmap(&(0x7f0000000000/0xfe3000)=nil, 0xfe3000, 0x3, 0x32, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000a80)) [ 55.860614][ T8144] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.935071][ T8142] device hsr_slave_0 entered promiscuous mode [ 55.982921][ T8142] device hsr_slave_1 entered promiscuous mode [ 56.048338][ T8144] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.114514][ T8152] IPVS: ftp: loaded support on port[0] = 21 [ 56.146300][ T8144] team0: Port device team_slave_0 added 12:34:53 executing program 5: r0 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000600)={'bridge_slave_1\x00', 0x0}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)=ANY=[@ANYBLOB="7c0000002400070500"/20, @ANYRES32=r1, @ANYBLOB="00000000ffffffff000000000900010067726564000000004c0002000800050000000000080005000000000038000300050000000000000028ceb860244d6a9b5336c1abe5b92f2f00000000000000000000000000000002000000000000da6e0856d62c"], 0x7c}}, 0x0) r2 = socket(0x10, 0x80002, 0x0) ioctl$EXT4_IOC_GROUP_ADD(0xffffffffffffffff, 0x40286608, &(0x7f0000000040)) sendmmsg$alg(r2, &(0x7f0000000180)=[{0x2, 0x1000000000000, &(0x7f0000000080), 0xe, &(0x7f0000000100)}], 0x492492492492642, 0x0) [ 56.166038][ T8144] team0: Port device team_slave_1 added [ 56.188029][ T8142] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.237558][ T8142] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.292316][ T8147] chnl_net:caif_netlink_parms(): no params data found [ 56.312868][ T8142] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.367335][ T8142] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.436497][ T8155] IPVS: ftp: loaded support on port[0] = 21 [ 56.453023][ T8144] device hsr_slave_0 entered promiscuous mode [ 56.511166][ T8144] device hsr_slave_1 entered promiscuous mode [ 56.550955][ T8144] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.585926][ T8147] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.593612][ T8147] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.601988][ T8147] device bridge_slave_0 entered promiscuous mode [ 56.632967][ T8147] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.640093][ T8147] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.648729][ T8147] device bridge_slave_1 entered promiscuous mode [ 56.735476][ T8144] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.803272][ T8147] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.817019][ T8147] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.826884][ T8150] chnl_net:caif_netlink_parms(): no params data found [ 56.845402][ T8144] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.882789][ T8144] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.947497][ T8144] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.029712][ T8150] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.037766][ T8150] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.045640][ T8150] device bridge_slave_0 entered promiscuous mode [ 57.060179][ T8147] team0: Port device team_slave_0 added [ 57.068930][ T8147] team0: Port device team_slave_1 added [ 57.076145][ T8150] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.083693][ T8150] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.092392][ T8150] device bridge_slave_1 entered promiscuous mode [ 57.119391][ T8150] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.163809][ T8147] device hsr_slave_0 entered promiscuous mode [ 57.231460][ T8147] device hsr_slave_1 entered promiscuous mode [ 57.281531][ T8147] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.314699][ T8150] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.383103][ T8150] team0: Port device team_slave_0 added [ 57.390487][ T8150] team0: Port device team_slave_1 added [ 57.451485][ T8155] chnl_net:caif_netlink_parms(): no params data found [ 57.467639][ T8152] chnl_net:caif_netlink_parms(): no params data found [ 57.524066][ T8150] device hsr_slave_0 entered promiscuous mode [ 57.583990][ T8150] device hsr_slave_1 entered promiscuous mode [ 57.621578][ T8150] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.638331][ T8147] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.698156][ T8147] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.745901][ T8147] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.805688][ T8142] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.836144][ T8147] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.897402][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.907509][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.917112][ T8152] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.924351][ T8152] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.934977][ T8152] device bridge_slave_0 entered promiscuous mode [ 57.946717][ T8152] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.954046][ T8152] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.963144][ T8152] device bridge_slave_1 entered promiscuous mode [ 57.973126][ T8142] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.987474][ T8155] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.995366][ T8155] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.004169][ T8155] device bridge_slave_0 entered promiscuous mode [ 58.028123][ T1108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.037961][ T1108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.047208][ T1108] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.054819][ T1108] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.064890][ T1108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.074215][ T8155] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.082352][ T8155] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.090499][ T8155] device bridge_slave_1 entered promiscuous mode [ 58.107176][ T8152] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.124776][ T8144] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.139951][ T8150] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.178092][ T8150] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.223336][ T8152] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.238480][ T3788] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.247597][ T3788] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.256803][ T3788] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.264005][ T3788] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.271538][ T3788] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.288358][ T8144] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.312921][ T8150] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 58.344601][ T3788] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.353569][ T3788] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.362226][ T3788] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.370490][ T3788] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.379563][ T3788] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.388856][ T3788] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.397561][ T3788] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.407019][ T3788] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.417067][ T8155] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.431846][ T8155] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.449211][ T8152] team0: Port device team_slave_0 added [ 58.455424][ T8150] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 58.509357][ T1108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.517933][ T1108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.526371][ T1108] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.533428][ T1108] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.542776][ T1108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.551596][ T1108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.560075][ T1108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.576494][ T8152] team0: Port device team_slave_1 added [ 58.634996][ T8152] device hsr_slave_0 entered promiscuous mode [ 58.691218][ T8152] device hsr_slave_1 entered promiscuous mode [ 58.731404][ T8152] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.740579][ T8155] team0: Port device team_slave_0 added [ 58.748794][ T8155] team0: Port device team_slave_1 added [ 58.757191][ T3788] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.765684][ T3788] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.775334][ T8142] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.799076][ T1108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.807997][ T1108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.817042][ T1108] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.824126][ T1108] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.832809][ T1108] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.840330][ T1108] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.890238][ T8142] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.899880][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.908938][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.918020][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.928057][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.936623][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.945690][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.954580][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.977628][ T8152] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.023066][ T8152] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.063065][ T8152] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.107810][ T8144] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.118655][ T8144] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.135458][ T8147] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.183134][ T8155] device hsr_slave_0 entered promiscuous mode [ 59.241221][ T8155] device hsr_slave_1 entered promiscuous mode [ 59.291036][ T8155] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.299781][ T3812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.308433][ T3812] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.317406][ T3812] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.325815][ T3812] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.334226][ T8152] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 59.416181][ T8150] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.429653][ T3812] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.440091][ T3812] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.455592][ T3812] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.485889][ T8147] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.498530][ T1108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.507722][ T1108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.523624][ T8144] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.565638][ T8150] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.581070][ T3812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.589955][ T3812] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.604422][ T3812] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.611623][ T3812] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.625471][ T3812] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.634379][ T3812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.656944][ T8155] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 164.670757][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 164.677538][ C0] rcu: 0-...!: (1 GPs behind) idle=1ca/1/0x4000000000000002 softirq=10437/10438 fqs=34 [ 164.687494][ C0] (t=10501 jiffies g=6225 q=137) [ 164.692509][ C0] rcu: rcu_preempt kthread starved for 10434 jiffies! g6225 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 164.703870][ C0] rcu: RCU grace-period kthread stack dump: [ 164.709749][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 164.717786][ C0] Call Trace: [ 164.721074][ C0] __schedule+0x9a0/0xcc0 [ 164.725486][ C0] schedule+0x181/0x210 [ 164.729739][ C0] schedule_timeout+0x14f/0x240 [ 164.734578][ C0] ? run_local_timers+0x120/0x120 [ 164.739620][ C0] rcu_gp_kthread+0xed8/0x1770 [ 164.744381][ C0] kthread+0x332/0x350 [ 164.748619][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 164.753745][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.758322][ C0] ret_from_fork+0x24/0x30 [ 164.762764][ C0] NMI backtrace for cpu 0 [ 164.767275][ C0] CPU: 0 PID: 8144 Comm: syz-executor.1 Not tainted 5.4.0-syzkaller #0 [ 164.775517][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.785575][ C0] Call Trace: [ 164.788845][ C0] [ 164.791795][ C0] dump_stack+0x1fb/0x318 [ 164.796120][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 164.800957][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 164.807326][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 164.813490][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 164.819561][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.825626][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 164.830817][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 164.836007][ C0] ? trace_hardirqs_off+0x74/0x80 [ 164.841041][ C0] update_process_times+0x12d/0x180 [ 164.846227][ C0] tick_sched_timer+0x263/0x420 [ 164.851064][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.856772][ C0] __hrtimer_run_queues+0x403/0x840 [ 164.862011][ C0] hrtimer_interrupt+0x38c/0xda0 [ 164.867130][ C0] ? debug_smp_processor_id+0x9/0x20 [ 164.872430][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 164.878066][ C0] apic_timer_interrupt+0xf/0x20 [ 164.883262][ C0] [ 164.886305][ C0] RIP: 0010:__memcg_kmem_uncharge+0x210/0x2e0 [ 164.892371][ C0] Code: e8 65 db a4 ff 48 c7 c7 98 4b 0d 89 e8 59 97 00 00 bf 01 00 00 00 e8 2f e3 9b ff 65 8b 05 d4 fd 4a 7e 85 c0 74 53 48 83 c4 08 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 49 8d 5f 10 48 89 df be 08 00 00 [ 164.911973][ C0] RSP: 0018:ffffc90001e774f0 EFLAGS: 00000296 ORIG_RAX: ffffffffffffff13 [ 164.921428][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 164.929944][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00023d4180 [ 164.937991][ C0] RBP: ffffc90001e77518 R08: dffffc0000000000 R09: fffffbfff120248a [ 164.945950][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffffea00023d4180 [ 164.954867][ C0] R13: 1ffffd400047a837 R14: ffffea00023d41b8 R15: 0000000000000000 [ 164.962860][ C0] free_thread_stack+0x12e/0x590 [ 164.967790][ C0] put_task_stack+0xa3/0x130 [ 164.972377][ C0] finish_task_switch+0x3f1/0x550 [ 164.977393][ C0] __schedule+0x9a8/0xcc0 [ 164.981720][ C0] ? ___preempt_schedule+0x16/0x18 [ 164.986834][ C0] preempt_schedule+0xdb/0x120 [ 164.991709][ C0] ___preempt_schedule+0x16/0x18 [ 164.996640][ C0] try_to_wake_up+0xe78/0x1050 [ 165.001418][ C0] wake_up_q+0x8c/0xe0 [ 165.005493][ C0] __mutex_unlock_slowpath+0x586/0x5b0 [ 165.010945][ C0] mutex_unlock+0x1b/0x30 [ 165.015266][ C0] __rtnl_unlock+0x2c/0xa0 [ 165.019756][ C0] netdev_run_todo+0xe5/0xe10 [ 165.024436][ C0] rtnetlink_rcv_msg+0x890/0xd40 [ 165.029373][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 165.034741][ C0] ? local_bh_enable+0x9/0x30 [ 165.039597][ C0] ? trace_hardirqs_on+0x74/0x80 [ 165.044536][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 165.049900][ C0] ? local_bh_enable+0x1f/0x30 [ 165.054657][ C0] ? rcu_lock_release+0x9/0x30 [ 165.059521][ C0] ? rcu_lock_release+0x9/0x30 [ 165.064283][ C0] netlink_rcv_skb+0x19e/0x3d0 [ 165.069051][ C0] ? rtnetlink_bind+0x80/0x80 [ 165.073895][ C0] rtnetlink_rcv+0x1c/0x20 [ 165.078301][ C0] netlink_unicast+0x767/0x920 [ 165.083070][ C0] netlink_sendmsg+0xa21/0xd40 [ 165.087921][ C0] ? netlink_getsockopt+0x9f0/0x9f0 [ 165.093113][ C0] __sys_sendto+0x442/0x5e0 [ 165.097616][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 165.103863][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 165.109575][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 165.115027][ C0] __x64_sys_sendto+0xe5/0x100 [ 165.119783][ C0] do_syscall_64+0xf7/0x1c0 [ 165.124283][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.130248][ C0] RIP: 0033:0x414373 [ 165.134131][ C0] Code: ff 0f 83 b0 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d fd 40 66 00 00 75 17 49 89 ca b8 2c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 81 19 00 00 c3 48 83 ec 08 e8 87 fa ff ff [ 165.154081][ C0] RSP: 002b:00007ffd5fcc3888 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 165.162834][ C0] RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000414373 [ 165.170798][ C0] RDX: 0000000000000040 RSI: 0000000000a72250 RDI: 0000000000000003 [ 165.178763][ C0] RBP: 0000000000000000 R08: 00007ffd5fcc3890 R09: 000000000000000c [ 165.186732][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 165.194814][ C0] R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003