[ 41.699726][ T25] audit: type=1800 audit(1575450935.281:26): pid=7987 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 41.720346][ T25] audit: type=1800 audit(1575450935.281:27): pid=7987 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.720364][ T25] audit: type=1800 audit(1575450935.281:28): pid=7987 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. [ 42.458531][ T25] audit: type=1800 audit(1575450936.061:29): pid=7987 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 '10.128.0.218' (ECDSA) to the list of known hosts. 2019/12/04 09:15:47 fuzzer started 2019/12/04 09:15:48 dialing manager at 10.128.0.26:36481 2019/12/04 09:15:48 syscalls: 2691 2019/12/04 09:15:48 code coverage: enabled 2019/12/04 09:15:48 comparison tracing: enabled 2019/12/04 09:15:48 extra coverage: extra coverage is not supported by the kernel 2019/12/04 09:15:48 setuid sandbox: enabled 2019/12/04 09:15:48 namespace sandbox: enabled 2019/12/04 09:15:48 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 09:15:48 fault injection: enabled 2019/12/04 09:15:48 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 09:15:48 net packet injection: enabled 2019/12/04 09:15:48 net device setup: enabled 2019/12/04 09:15:48 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 09:15:48 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:15:49 executing program 0: r0 = socket(0x11, 0x20100080003, 0x0) setsockopt(r0, 0x107, 0x1, &(0x7f0000000100)="0100000003000600000776240a52387d", 0x8d) r1 = socket(0x11, 0x20100080003, 0x0) setsockopt(r1, 0x107, 0x1, &(0x7f0000000100)="0100000003000600000776240a52387d", 0x8d) close(r1) 09:15:49 executing program 1: socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000006c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$SO_ATTACH_FILTER(r2, 0x1, 0x1a, &(0x7f0000004ff0)={0x3, &(0x7f0000002fe8)=[{0x25, 0x7901, 0x4000000000401}, {0x61}, {0x6}]}, 0x10) syzkaller login: [ 56.179695][ T8150] IPVS: ftp: loaded support on port[0] = 21 09:15:49 executing program 2: mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000100)='ramfs\x00', 0x0, 0x0) chdir(&(0x7f0000000280)='./file0\x00') ioctl$KVM_SET_CPUID2(0xffffffffffffffff, 0x4008ae90, 0x0) r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) open(&(0x7f0000000040)='./bus\x00', 0x0, 0x0) ftruncate(r0, 0x208200) perf_event_open(&(0x7f0000000000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = open(&(0x7f0000000400)='./bus\x00', 0x14103e, 0x0) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x7ffffe, 0x11, r1, 0x0) read(r1, &(0x7f0000000180)=""/19, 0xfffffe47) [ 56.309467][ T8152] IPVS: ftp: loaded support on port[0] = 21 [ 56.346056][ T8150] chnl_net:caif_netlink_parms(): no params data found [ 56.477088][ T8150] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.485621][ T8150] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.493887][ T8150] device bridge_slave_0 entered promiscuous mode [ 56.508836][ T8155] IPVS: ftp: loaded support on port[0] = 21 [ 56.528936][ T8150] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.543143][ T8150] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.551333][ T8150] device bridge_slave_1 entered promiscuous mode [ 56.595262][ T8150] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.616086][ T8152] chnl_net:caif_netlink_parms(): no params data found [ 56.627424][ T8150] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 09:15:50 executing program 3: perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000480), 0x5}, 0x0, 0x80000000, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2) openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x0, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000440)='/proc/sys/net/ipv4/vs/expire_nodest_conn\x00', 0x2, 0x0) getrandom(0x0, 0x0, 0x3) syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') set_mempolicy(0x2, &(0x7f0000000040)=0x5c9, 0x4) r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @dev}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fa, &(0x7f0000000140)={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x1e}}, 0x10) syz_open_dev$sndpcmc(&(0x7f0000000300)='/dev/snd/pcmC#D#c\x00', 0x9, 0x40000) r1 = syz_open_dev$radio(&(0x7f0000000080)='/dev/radio#\x00', 0x3, 0x2) r2 = semget$private(0x0, 0x8, 0x0) semtimedop(r2, &(0x7f0000000000)=[{}], 0x1, 0x0) semctl$SETALL(r2, 0x0, 0x11, 0x0) semctl$GETPID(r2, 0x1, 0xb, &(0x7f0000000280)=""/109) read$alg(r1, 0x0, 0x0) socket$inet(0x2, 0x4000000805, 0x0) socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(0xffffffffffffffff, 0x84, 0x6, &(0x7f0000000340)={0x0, @in={{0x2, 0x4e23, @multicast1}}}, &(0x7f0000000400)=0x84) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000200)='sit0\x00', 0x10) r3 = syz_open_dev$loop(&(0x7f00000001c0)='/dev/loop#\x00', 0x0, 0x105084) r4 = memfd_create(&(0x7f00000000c0)='\x00\x00\x00\x00\x8c\x00'/15, 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f0000000100)="a3", 0x1}], 0x1, 0x81003) ioctl$LOOP_CHANGE_FD(r3, 0x4c00, r4) sendfile(r0, r3, 0x0, 0x102000002) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) [ 56.678421][ T8150] team0: Port device team_slave_0 added [ 56.694248][ T8152] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.701389][ T8152] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.709334][ T8152] device bridge_slave_0 entered promiscuous mode [ 56.738115][ T8150] team0: Port device team_slave_1 added [ 56.751894][ T8152] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.773768][ T8152] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.781690][ T8152] device bridge_slave_1 entered promiscuous mode [ 56.835049][ T8152] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.855378][ T8152] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.904205][ T8152] team0: Port device team_slave_0 added [ 56.914296][ T8158] IPVS: ftp: loaded support on port[0] = 21 [ 56.923342][ T8152] team0: Port device team_slave_1 added 09:15:50 executing program 4: bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x2, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x5, 0x0, 0x0, 0x0, 0x61, 0x10, 0x4c}, [@ldst={0x6, 0x0, 0x5, 0x5}]}, &(0x7f0000003ff6)='G\x00', 0x5, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xf7}, 0x48) [ 56.984325][ T8150] device hsr_slave_0 entered promiscuous mode [ 57.022273][ T8150] device hsr_slave_1 entered promiscuous mode [ 57.121240][ T8155] chnl_net:caif_netlink_parms(): no params data found 09:15:50 executing program 5: mkdir(&(0x7f0000000040)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000280)=ANY=[@ANYBLOB="1500000065ffff0180000008003950323030302e4cc74502f987c2cec6504df6ead74ed8a60ab563e98b4b2a3d27a7082dbb78abd55fba3da80b856445ab100621d6234555c08dc540473753cd89e9b08e3f5972fe9ca162b123e192e8c89c9dd81c796f27f537cc5a3fb54aff8eaff4f6b59c41705b96a6711d9d00"/134], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f00000004c0)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',wfdno=', @ANYRESHEX=r1]) setxattr$trusted_overlay_nlink(&(0x7f0000000180)='./file0\x00', &(0x7f0000000340)='trusted.overlay.nlink\x00', &(0x7f00000003c0)={'U+', 0x7}, 0x2000, 0x0) [ 57.196318][ T8152] device hsr_slave_0 entered promiscuous mode [ 57.233158][ T8152] device hsr_slave_1 entered promiscuous mode [ 57.272697][ T8152] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.316472][ T8163] IPVS: ftp: loaded support on port[0] = 21 [ 57.324044][ T8161] IPVS: ftp: loaded support on port[0] = 21 [ 57.378548][ T8152] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.434185][ T8152] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.475600][ T8152] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.535725][ T8150] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.594860][ T8150] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.646896][ T8152] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.710611][ T8155] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.717882][ T8155] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.725568][ T8155] device bridge_slave_0 entered promiscuous mode [ 57.734634][ T8155] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.741673][ T8155] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.749626][ T8155] device bridge_slave_1 entered promiscuous mode [ 57.763983][ T8150] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.866542][ T8150] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.923230][ T8155] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.936911][ T8155] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.958570][ T8158] chnl_net:caif_netlink_parms(): no params data found [ 57.976829][ T8155] team0: Port device team_slave_0 added [ 57.986893][ T8155] team0: Port device team_slave_1 added [ 58.065299][ T8155] device hsr_slave_0 entered promiscuous mode [ 58.102377][ T8155] device hsr_slave_1 entered promiscuous mode [ 58.172090][ T8155] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.206511][ T8158] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.214500][ T8158] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.222230][ T8158] device bridge_slave_0 entered promiscuous mode [ 58.229900][ T8158] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.237202][ T8158] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.245038][ T8158] device bridge_slave_1 entered promiscuous mode [ 58.262142][ T8158] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.272974][ T8158] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.363920][ T8158] team0: Port device team_slave_0 added [ 58.369796][ T8163] chnl_net:caif_netlink_parms(): no params data found [ 58.387250][ T8152] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.401792][ T8161] chnl_net:caif_netlink_parms(): no params data found [ 58.412094][ T8158] team0: Port device team_slave_1 added [ 58.440795][ T8152] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.470215][ T8161] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.478392][ T8161] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.486141][ T8161] device bridge_slave_0 entered promiscuous mode [ 58.496075][ T3910] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.504907][ T3910] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.523817][ T8155] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.568733][ T8161] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.575993][ T8161] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.584034][ T8161] device bridge_slave_1 entered promiscuous mode [ 58.595506][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.604171][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.612846][ T8168] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.620013][ T8168] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.631846][ T8155] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.700392][ T8161] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.711544][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.720480][ T8163] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.727680][ T8163] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.735545][ T8163] device bridge_slave_0 entered promiscuous mode [ 58.743194][ T8155] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.803785][ T8158] device hsr_slave_0 entered promiscuous mode [ 58.842377][ T8158] device hsr_slave_1 entered promiscuous mode [ 58.882084][ T8158] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.899707][ T8161] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.910058][ T8163] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.917256][ T8163] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.924981][ T8163] device bridge_slave_1 entered promiscuous mode [ 58.936056][ T8155] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.996425][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.005106][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.014946][ T8168] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.022037][ T8168] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.029495][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.059724][ T8163] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.086862][ T8161] team0: Port device team_slave_0 added [ 59.096565][ T8163] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.117233][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.137719][ T8161] team0: Port device team_slave_1 added [ 59.155481][ T8163] team0: Port device team_slave_0 added [ 59.164723][ T3910] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.174234][ T3910] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.182762][ T3910] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.191101][ T3910] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.199431][ T3910] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.207832][ T3910] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.216168][ T3910] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.224519][ T3910] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.233025][ T8158] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.275153][ T8158] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.334258][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.350829][ T8163] team0: Port device team_slave_1 added [ 59.366623][ T3910] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.375899][ T8158] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.414164][ T8158] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.513609][ T8161] device hsr_slave_0 entered promiscuous mode [ 59.563086][ T8161] device hsr_slave_1 entered promiscuous mode [ 59.602101][ T8161] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.664585][ T8163] device hsr_slave_0 entered promiscuous mode [ 59.693206][ T8163] device hsr_slave_1 entered promiscuous mode [ 59.732482][ T8163] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.743054][ T8150] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.807824][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.820680][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.828841][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.836675][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.847987][ T8150] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.865376][ T8161] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.932742][ T8152] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.939787][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.948563][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.957237][ T3213] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.964300][ T3213] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.977632][ T8163] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.038595][ T8163] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 60.095071][ T8163] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 60.143248][ T8161] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.198127][ T8161] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.255648][ T8169] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.264630][ T8169] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.273249][ T8169] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.281486][ T8169] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.288626][ T8169] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.296698][ T8169] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.312367][ T3910] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.320887][ T3910] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.330437][ T3910] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.339532][ T8163] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 60.384467][ T8161] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.430243][ T8155] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.441777][ T3910] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.456210][ T3910] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.467958][ T3910] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.489476][ T8150] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.501613][ T8150] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.524422][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.533681][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.542765][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.550995][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.559343][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.567124][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.581801][ T8155] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.597850][ T8158] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.621028][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.634701][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.649363][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.663824][ T8168] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.670911][ T8168] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.692676][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.700570][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.709610][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.725238][ T8168] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.732375][ T8168] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.744408][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.753351][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.762648][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.773650][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.782791][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.792628][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.801165][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.809896][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.826849][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 165.651922][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.658764][ C1] rcu: 1-...!: (10499 ticks this GP) idle=6c2/1/0x4000000000000002 softirq=10857/10857 fqs=39 [ 165.669365][ C1] (t=10500 jiffies g=6197 q=313) [ 165.674378][ C1] rcu: rcu_preempt kthread starved for 10422 jiffies! g6197 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 165.685460][ C1] rcu: RCU grace-period kthread stack dump: [ 165.691335][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 165.699231][ C1] Call Trace: [ 165.702530][ C1] __schedule+0x9a0/0xcc0 [ 165.706952][ C1] schedule+0x181/0x210 [ 165.711116][ C1] schedule_timeout+0x14f/0x240 [ 165.715958][ C1] ? run_local_timers+0x120/0x120 [ 165.720979][ C1] rcu_gp_kthread+0xed8/0x1770 [ 165.725745][ C1] kthread+0x332/0x350 [ 165.729800][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 165.734897][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.739474][ C1] ret_from_fork+0x24/0x30 [ 165.743985][ C1] NMI backtrace for cpu 1 [ 165.748393][ C1] CPU: 1 PID: 209 Comm: kworker/u4:3 Not tainted 5.4.0-syzkaller #0 [ 165.756396][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.766473][ C1] Workqueue: 0x0 (bat_events) [ 165.771243][ C1] Call Trace: [ 165.774522][ C1] [ 165.777387][ C1] dump_stack+0x1fb/0x318 [ 165.781723][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.786686][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.792947][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.799020][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.805041][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.810925][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.816030][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.821240][ C1] ? trace_hardirqs_off+0x74/0x80 [ 165.826251][ C1] update_process_times+0x12d/0x180 [ 165.831445][ C1] tick_sched_timer+0x263/0x420 [ 165.836283][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.841817][ C1] __hrtimer_run_queues+0x403/0x840 [ 165.847017][ C1] hrtimer_interrupt+0x38c/0xda0 [ 165.851958][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.857245][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.862783][ C1] apic_timer_interrupt+0xf/0x20 [ 165.867700][ C1] [ 165.870631][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x50 [ 165.876869][ C1] Code: cd 07 48 89 de e8 d4 01 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 84 8b 7e f7 c2 00 01 1f 00 75 2c <8b> 91 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 [ 165.896469][ C1] RSP: 0018:ffffc900018c7bf8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.904866][ C1] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: ffff8880a92225c0 [ 165.912823][ C1] RDX: 0000000000000001 RSI: 00000000fffffffc RDI: ffffea000269c280 [ 165.920781][ C1] RBP: ffffc900018c7c20 R08: 000000000003a728 R09: ffffed1013c7cea7 [ 165.928739][ C1] R10: ffffed1013c7cea7 R11: 0000000000000000 R12: dffffc0000000000 [ 165.936700][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88809e3e7528 [ 165.944680][ C1] ? mod_memcg_page_state+0x123/0x190 [ 165.950046][ C1] ? free_thread_stack+0x124/0x590 [ 165.955173][ C1] ? mod_memcg_page_state+0x123/0x190 [ 165.960632][ C1] free_thread_stack+0x168/0x590 [ 165.965569][ C1] put_task_stack+0xa3/0x130 [ 165.970236][ C1] finish_task_switch+0x3f1/0x550 [ 165.975335][ C1] __schedule+0x9a8/0xcc0 [ 165.979668][ C1] schedule+0x181/0x210 [ 165.983820][ C1] worker_thread+0x10d6/0x1630 [ 165.988595][ C1] kthread+0x332/0x350 [ 165.992649][ C1] ? rcu_lock_release+0x30/0x30 [ 165.997485][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.002062][ C1] ret_from_fork+0x24/0x30