[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 46.919964][ T26] audit: type=1800 audit(1578487232.129:25): pid=8326 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 46.949849][ T26] audit: type=1800 audit(1578487232.129:26): pid=8326 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 46.989170][ T26] audit: type=1800 audit(1578487232.129:27): pid=8326 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 '10.128.0.150' (ECDSA) to the list of known hosts. 2020/01/08 12:40:44 fuzzer started 2020/01/08 12:40:45 dialing manager at 10.128.0.26:35703 2020/01/08 12:40:45 syscalls: 2824 2020/01/08 12:40:45 code coverage: enabled 2020/01/08 12:40:45 comparison tracing: enabled 2020/01/08 12:40:45 extra coverage: enabled 2020/01/08 12:40:45 setuid sandbox: enabled 2020/01/08 12:40:45 namespace sandbox: enabled 2020/01/08 12:40:45 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 12:40:45 fault injection: enabled 2020/01/08 12:40:45 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 12:40:45 net packet injection: enabled 2020/01/08 12:40:45 net device setup: enabled 2020/01/08 12:40:45 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 12:40:45 devlink PCI setup: PCI device 0000:00:10.0 is not available 12:40:47 executing program 0: r0 = syz_open_dev$video(&(0x7f0000000100)='/dev/video#\x00', 0x0, 0x0) ioctl$VIDIOC_S_FMT(r0, 0xc0d05605, &(0x7f0000000180)={0x1, @vbi={0x0, 0x0, 0x38414261}}) 12:40:47 executing program 1: open$dir(&(0x7f0000000000)='./file0\x00', 0x40, 0x0) mount(&(0x7f0000000240)=@nullb='/dev/nullb0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000080)='exfat\x00', 0x0, 0x0) syzkaller login: [ 61.968729][ T8493] IPVS: ftp: loaded support on port[0] = 21 [ 62.115860][ T8493] chnl_net:caif_netlink_parms(): no params data found [ 62.139998][ T8496] IPVS: ftp: loaded support on port[0] = 21 [ 62.204629][ T8493] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.212076][ T8493] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.222341][ T8493] device bridge_slave_0 entered promiscuous mode [ 62.244270][ T8493] bridge0: port 2(bridge_slave_1) entered blocking state 12:40:47 executing program 2: openat$rtc(0xffffffffffffff9c, 0x0, 0x0, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) socket$key(0xf, 0x3, 0x2) mkdir(&(0x7f0000000000)='./file0\x00', 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pivot_root(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00') mount(0x0, &(0x7f0000000400)='./file0\x00', &(0x7f0000000280)='tmpfs\x00', 0x0, 0x0) r1 = creat(&(0x7f0000000180)='./bus\x00', 0x0) r2 = openat$zero(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/zero\x00', 0x80, 0x0) ioctl(r2, 0x8, &(0x7f00000005c0)="74a55831a0f2dfe0040eaf9b80fac43d9be9825a4d825573cb61185b4029f83bd3e670882979518ed326c141d5c6e8e62a6e45c302012a9428520dd1b5a50256d51b5e7c5a5e20e70aadc58703") ioctl$FS_IOC_GETFSMAP(r1, 0xc0c0583b, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000640)='nbd\x00') creat(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$FS_IOC_GETFSMAP(0xffffffffffffffff, 0xc0c0583b, &(0x7f00000004c0)={0x0, 0x0, 0x1c7d9, 0x0, [], [{}, {0x801, 0x0, 0x80000001}]}) dup2(0xffffffffffffffff, r0) syz_mount_image$ext4(&(0x7f00000000c0)='ext4\x00', 0x0, 0x5, 0x0, 0x0, 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='aXto_da_alloc\a\x00\x00\x0000000007fff,dont_measure,\x00']) r3 = open$dir(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) write$UHID_INPUT(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) close(r4) splice(0xffffffffffffffff, 0x0, r5, 0x0, 0x200, 0x0) ioctl$FS_IOC_GET_ENCRYPTION_PWSALT(r5, 0x40106614, &(0x7f0000000240)) request_key(0x0, 0x0, &(0x7f00000006c0)='user\x00', 0xffffffffffffffff) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000700)={{{@in6=@dev, @in6=@remote}}, {{}, 0x0, @in6=@empty}}, &(0x7f0000000480)=0xe8) renameat2(r3, &(0x7f0000000000)='./file1\x00', r3, &(0x7f0000000100)='./file0\x00', 0x0) ioctl$RTC_ALM_SET(0xffffffffffffffff, 0x40247007, 0x0) ioctl$RTC_WKALM_SET(0xffffffffffffffff, 0x4028700f, &(0x7f0000000000)={0x1, 0x0, {0x0, 0x0, 0x0, 0x19, 0x0, 0x80}}) [ 62.253930][ T8493] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.263142][ T8493] device bridge_slave_1 entered promiscuous mode [ 62.329269][ T8493] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.351650][ T8493] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.367831][ T8496] chnl_net:caif_netlink_parms(): no params data found [ 62.406755][ T8493] team0: Port device team_slave_0 added [ 62.415513][ T8493] team0: Port device team_slave_1 added [ 62.462259][ T8496] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.469351][ T8496] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.493447][ T8496] device bridge_slave_0 entered promiscuous mode 12:40:47 executing program 3: syz_mount_image$vfat(&(0x7f00000001c0)='vfat\x00', &(0x7f0000000200)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB='time_offset=0xffffffff']) [ 62.542542][ T8493] device hsr_slave_0 entered promiscuous mode [ 62.592110][ T8493] device hsr_slave_1 entered promiscuous mode [ 62.670459][ T8496] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.677554][ T8496] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.700964][ T8496] device bridge_slave_1 entered promiscuous mode [ 62.729475][ T8499] IPVS: ftp: loaded support on port[0] = 21 [ 62.748261][ T8501] IPVS: ftp: loaded support on port[0] = 21 12:40:48 executing program 4: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x3ea, 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, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000040)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000000)={0xffffffffffffffff}, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_RESOLVE_IP(r0, &(0x7f0000000200)={0x3, 0x40, 0xfa00, {{0xa, 0x0, 0x0, @empty}, {0xa, 0x0, 0x0, @dev}, r1}}, 0x48) [ 62.808040][ T8496] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.857083][ T8496] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.904852][ T8496] team0: Port device team_slave_0 added [ 62.954463][ T8496] team0: Port device team_slave_1 added 12:40:48 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = dup2(r2, r2) getsockopt$inet6_int(r3, 0x6, 0x6, &(0x7f0000b67000), &(0x7f0000000080)=0x4) [ 63.072172][ T8496] device hsr_slave_0 entered promiscuous mode [ 63.110825][ T8496] device hsr_slave_1 entered promiscuous mode [ 63.150003][ T8496] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.157817][ T8496] Cannot create hsr debugfs directory [ 63.175023][ T8503] IPVS: ftp: loaded support on port[0] = 21 [ 63.275205][ T8493] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.284079][ T8505] IPVS: ftp: loaded support on port[0] = 21 [ 63.311529][ T8499] chnl_net:caif_netlink_parms(): no params data found [ 63.341955][ T8493] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.384820][ T8493] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.443282][ T8493] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.515565][ T8501] chnl_net:caif_netlink_parms(): no params data found [ 63.605889][ T8501] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.613378][ T8501] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.622254][ T8501] device bridge_slave_0 entered promiscuous mode [ 63.639016][ T8499] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.647005][ T8499] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.655052][ T8499] device bridge_slave_0 entered promiscuous mode [ 63.663382][ T8499] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.671057][ T8499] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.678683][ T8499] device bridge_slave_1 entered promiscuous mode [ 63.691881][ T8501] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.698953][ T8501] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.706859][ T8501] device bridge_slave_1 entered promiscuous mode [ 63.739565][ T8499] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.766729][ T8501] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.780162][ T8501] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.796124][ T8499] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.806152][ T8496] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 63.891525][ T8496] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 63.934046][ T8496] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 64.023508][ T8496] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 64.095773][ T8501] team0: Port device team_slave_0 added [ 64.107865][ T8501] team0: Port device team_slave_1 added [ 64.148391][ T8499] team0: Port device team_slave_0 added [ 64.158013][ T8499] team0: Port device team_slave_1 added [ 64.212775][ T8499] device hsr_slave_0 entered promiscuous mode [ 64.270277][ T8499] device hsr_slave_1 entered promiscuous mode [ 64.309966][ T8499] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.317696][ T8499] Cannot create hsr debugfs directory [ 64.352999][ T8503] chnl_net:caif_netlink_parms(): no params data found [ 64.412799][ T8501] device hsr_slave_0 entered promiscuous mode [ 64.460321][ T8501] device hsr_slave_1 entered promiscuous mode [ 64.499916][ T8501] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.507512][ T8501] Cannot create hsr debugfs directory [ 64.529312][ T8505] chnl_net:caif_netlink_parms(): no params data found [ 64.575586][ T8493] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.587900][ T8503] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.595464][ T8503] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.603572][ T8503] device bridge_slave_0 entered promiscuous mode [ 64.643784][ T8503] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.653495][ T8503] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.662694][ T8503] device bridge_slave_1 entered promiscuous mode [ 64.709609][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.720210][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.741117][ T8503] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.751723][ T8505] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.758886][ T8505] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.767844][ T8505] device bridge_slave_0 entered promiscuous mode [ 64.777596][ T8505] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.784761][ T8505] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.792691][ T8505] device bridge_slave_1 entered promiscuous mode [ 64.814367][ T8505] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.825917][ T8493] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.834000][ T8503] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.866641][ T8505] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.890528][ T8505] team0: Port device team_slave_0 added [ 64.900445][ T8499] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 64.942948][ T8503] team0: Port device team_slave_0 added [ 64.948814][ T8499] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.004041][ T8505] team0: Port device team_slave_1 added [ 65.031291][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.040467][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.048810][ T41] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.056541][ T41] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.064946][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.074160][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.083068][ T41] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.090161][ T41] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.099567][ T8503] team0: Port device team_slave_1 added [ 65.106794][ T8499] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.151736][ T8499] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.203090][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.211244][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.272617][ T8503] device hsr_slave_0 entered promiscuous mode [ 65.310636][ T8503] device hsr_slave_1 entered promiscuous mode [ 65.349963][ T8503] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.357572][ T8503] Cannot create hsr debugfs directory [ 65.421905][ T8505] device hsr_slave_0 entered promiscuous mode [ 65.460282][ T8505] device hsr_slave_1 entered promiscuous mode [ 65.499946][ T8505] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.507713][ T8505] Cannot create hsr debugfs directory [ 65.534921][ T3783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.578096][ T3783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.587190][ T3783] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.595587][ T3783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.604234][ T3783] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.613237][ T3783] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.635662][ T8493] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.649218][ T8493] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.668098][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.677855][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.686531][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.695047][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.706099][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.714288][ T8501] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 65.775618][ T8501] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 65.833930][ T8496] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.858421][ T8501] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 65.893370][ T8501] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 65.949884][ T8496] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.972764][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.981280][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.989142][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.997148][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.004692][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.013508][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.021943][ T41] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.028978][ T41] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.036814][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.046493][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.055032][ T41] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.062186][ T41] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.070859][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.097476][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.133637][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.161783][ T8493] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.168808][ T8505] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 66.255216][ T8505] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 66.303680][ T3783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.312227][ T3783] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.321123][ T3783] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.340357][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.348853][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.359244][ T8503] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 66.421835][ T8505] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 66.461866][ T8505] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 66.517936][ T8496] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.530738][ T8496] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.542765][ T8503] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 66.584738][ T8499] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.597756][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.606198][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.615027][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.624203][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.642144][ T8503] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 66.682970][ T8503] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 66.746814][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.754994][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.764324][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.782075][ T8493] device veth0_vlan entered promiscuous mode [ 66.795778][ T8499] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.812845][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.825719][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.834464][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.842783][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.851150][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.858834][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.891823][ T8493] device veth1_vlan entered promiscuous mode [ 66.905916][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.915194][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.925716][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.934246][ T2788] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.941887][ T2788] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.950631][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.959700][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.968674][ T2788] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.975959][ T2788] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.984204][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.992848][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.002373][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.011264][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.019577][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.029309][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.039332][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.047383][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.055680][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.063701][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.106295][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.124660][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.135300][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.158250][ T8499] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.176061][ T8499] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.193273][ T8496] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.203521][ T3783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.212857][ T3783] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.245333][ T8505] 8021q: adding VLAN 0 to HW filter on device bond0 [ 172.269755][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 172.276938][ C0] rcu: 0-...!: (10499 ticks this GP) idle=cce/1/0x4000000000000002 softirq=12222/12222 fqs=2 [ 172.288824][ C0] (t=10501 jiffies g=6889 q=212) [ 172.294576][ C0] rcu: rcu_preempt kthread starved for 10498 jiffies! g6889 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 172.305670][ C0] rcu: RCU grace-period kthread stack dump: [ 172.311690][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 172.319604][ C0] Call Trace: [ 172.322900][ C0] __schedule+0x9a0/0xcc0 [ 172.327242][ C0] schedule+0x181/0x210 [ 172.331409][ C0] schedule_timeout+0x14f/0x240 [ 172.336362][ C0] ? run_local_timers+0x120/0x120 [ 172.341401][ C0] rcu_gp_kthread+0xed8/0x1770 [ 172.346378][ C0] kthread+0x332/0x350 [ 172.350436][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 172.355637][ C0] ? kthread_blkcg+0xe0/0xe0 [ 172.360221][ C0] ret_from_fork+0x24/0x30 [ 172.364729][ C0] NMI backtrace for cpu 0 [ 172.369060][ C0] CPU: 0 PID: 2788 Comm: kworker/0:3 Not tainted 5.5.0-rc5-syzkaller #0 [ 172.377369][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.387538][ C0] Workqueue: 0x0 (events_power_efficient) [ 172.393354][ C0] Call Trace: [ 172.396635][ C0] [ 172.399520][ C0] dump_stack+0x1fb/0x318 [ 172.403893][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 172.409003][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 172.415270][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 172.421328][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 172.427309][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 172.433192][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 172.438300][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 172.443499][ C0] ? trace_hardirqs_off+0x74/0x80 [ 172.448517][ C0] update_process_times+0x12d/0x180 [ 172.453709][ C0] tick_sched_timer+0x263/0x420 [ 172.458575][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 172.464124][ C0] __hrtimer_run_queues+0x403/0x840 [ 172.469325][ C0] hrtimer_interrupt+0x38c/0xda0 [ 172.474271][ C0] ? debug_smp_processor_id+0x9/0x20 [ 172.479550][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 172.485089][ C0] apic_timer_interrupt+0xf/0x20 [ 172.490015][ C0] [ 172.492942][ C0] RIP: 0010:__memcg_kmem_uncharge+0x44/0x1a0 [ 172.498909][ C0] Code: fc ff df 4c 8d 77 38 4d 89 f5 49 c1 ed 03 41 80 7c 05 00 00 74 08 4c 89 f7 e8 48 07 fb ff 4d 8b 3e b8 01 00 00 00 89 d9 d3 e0 <4d> 85 ff 0f 84 de 00 00 00 4c 39 3d a4 be ac 07 0f 84 2c 01 00 00 [ 172.519106][ C0] RSP: 0018:ffffc90007a5fbf0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 172.527602][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 172.535648][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002507880 [ 172.543789][ C0] RBP: ffffc90007a5fc20 R08: dffffc0000000000 R09: fffffbfff12c962d [ 172.551764][ C0] R10: fffffbfff12c962d R11: 0000000000000000 R12: ffffea0002507880 [ 172.559765][ C0] R13: 1ffffd40004a0f17 R14: ffffea00025078b8 R15: 0000000000000000 [ 172.567755][ C0] ? free_thread_stack+0x124/0x590 [ 172.572857][ C0] free_thread_stack+0x12e/0x590 [ 172.577795][ C0] put_task_stack+0xa3/0x130 [ 172.582381][ C0] finish_task_switch+0x3f1/0x550 [ 172.587484][ C0] __schedule+0x9a8/0xcc0 [ 172.591817][ C0] schedule+0x181/0x210 [ 172.596023][ C0] worker_thread+0x10d6/0x1630 [ 172.600794][ C0] kthread+0x332/0x350 [ 172.604866][ C0] ? rcu_lock_release+0x30/0x30 [ 172.609707][ C0] ? kthread_blkcg+0xe0/0xe0 [ 172.614287][ C0] ret_from_fork+0x24/0x30