[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 46.705090][ T26] audit: type=1800 audit(1578473637.712:25): pid=8281 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 46.725830][ T26] audit: type=1800 audit(1578473637.712:26): pid=8281 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 46.757683][ T26] audit: type=1800 audit(1578473637.712:27): pid=8281 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 '10.128.0.10' (ECDSA) to the list of known hosts. 2020/01/08 08:54:09 fuzzer started 2020/01/08 08:54:11 dialing manager at 10.128.0.26:35703 2020/01/08 08:54:11 syscalls: 2824 2020/01/08 08:54:11 code coverage: enabled 2020/01/08 08:54:11 comparison tracing: enabled 2020/01/08 08:54:11 extra coverage: enabled 2020/01/08 08:54:11 setuid sandbox: enabled 2020/01/08 08:54:11 namespace sandbox: enabled 2020/01/08 08:54:11 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 08:54:11 fault injection: enabled 2020/01/08 08:54:11 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 08:54:11 net packet injection: enabled 2020/01/08 08:54:11 net device setup: enabled 2020/01/08 08:54:11 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 08:54:11 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:54:12 executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000080)='IPVS\x00') sendmsg$IPVS_CMD_DEL_DAEMON(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000200)={0x3c, r1, 0x531, 0x0, 0x0, {0x9}, [@IPVS_CMD_ATTR_DAEMON={0x28, 0x3, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14}, @IPVS_DAEMON_ATTR_STATE={0x8}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8}]}]}, 0x3c}}, 0x0) 08:54:12 executing program 1: pipe(&(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'sha256\x00'}, 0x58) r2 = accept$alg(r1, 0x0, 0x0) splice(r2, 0x0, r0, 0x0, 0x100000, 0x0) syzkaller login: [ 61.941368][ T8447] IPVS: ftp: loaded support on port[0] = 21 08:54:13 executing program 2: r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080)='/dev/nullb0\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0xa, 0x12, r0, 0x0) mount$fuseblk(0x0, 0x0, 0x0, 0x0, &(0x7f0000001300)=ANY=[]) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15) pipe(&(0x7f00000000c0)) [ 62.089037][ T8449] IPVS: ftp: loaded support on port[0] = 21 [ 62.130751][ T8447] chnl_net:caif_netlink_parms(): no params data found [ 62.257269][ T8447] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.276491][ T8447] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.305090][ T8447] device bridge_slave_0 entered promiscuous mode [ 62.316436][ T8447] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.334518][ T8447] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.342508][ T8447] device bridge_slave_1 entered promiscuous mode 08:54:13 executing program 3: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0xeb, 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) io_cancel(0x0, &(0x7f0000000180)={0x0, 0x4, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x39b}, 0x0) [ 62.377293][ T8447] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.388793][ T8447] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.417053][ T8452] IPVS: ftp: loaded support on port[0] = 21 [ 62.437424][ T8447] team0: Port device team_slave_0 added [ 62.477532][ T8447] team0: Port device team_slave_1 added 08:54:13 executing program 4: open(&(0x7f0000000080)='./file0\x00', 0x2442, 0x0) mount(&(0x7f0000000600)=ANY=[@ANYBLOB='./file0'], &(0x7f0000000000)='./file0\x00', 0x0, 0x1001004, 0x0) syz_mount_image$ext4(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x0, 0x0, 0x106c8aa, &(0x7f0000000780)=ANY=[@ANYBLOB='grpjquota=']) [ 62.617360][ T8447] device hsr_slave_0 entered promiscuous mode [ 62.654671][ T8447] device hsr_slave_1 entered promiscuous mode [ 62.731636][ T8449] chnl_net:caif_netlink_parms(): no params data found [ 62.787569][ T8455] IPVS: ftp: loaded support on port[0] = 21 [ 62.869080][ T8457] IPVS: ftp: loaded support on port[0] = 21 [ 62.879504][ T8452] chnl_net:caif_netlink_parms(): no params data found 08:54:13 executing program 5: perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x5}, 0x5000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x400000000001, 0x0) r1 = dup(r0) r2 = dup(r0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) bind$inet6(r2, &(0x7f0000fa0fe4)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) sendto$inet6(r0, 0x0, 0x0, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) bpf$BPF_GET_BTF_INFO(0xf, 0x0, 0xc10496740acafe84) bpf$BPF_GET_BTF_INFO(0xf, 0x0, 0x702) recvmmsg(0xffffffffffffffff, &(0x7f0000000fc0), 0x0, 0x0, 0x0) fcntl$notify(0xffffffffffffffff, 0x402, 0x0) setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0x32, 0x0, 0xffffffffffffff7c) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) prctl$PR_SET_FP_MODE(0x2d, 0x0) fsetxattr$security_smack_transmute(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) setsockopt$inet6_tcp_TCP_FASTOPEN_KEY(0xffffffffffffffff, 0x6, 0x21, 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$SEG6(0x0) sendmsg$SEG6_CMD_DUMPHMAC(0xffffffffffffffff, 0x0, 0x0) openat$vsock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vsock\x00', 0x0, 0x0) sendmsg$SEG6_CMD_SETHMAC(0xffffffffffffffff, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, 0x0) ptrace$pokeuser(0x6, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f00000001c0)=0x1fe, 0x4) ioctl$PPPIOCSPASS(0xffffffffffffffff, 0x40107447, 0x0) keyctl$clear(0x7, 0x0) prctl$PR_GET_NO_NEW_PRIVS(0x27) ioctl$sock_inet6_udp_SIOCINQ(0xffffffffffffffff, 0x541b, 0x0) ftruncate(r3, 0x80003) sendfile(r0, r3, &(0x7f00000000c0), 0x3ff) recvmmsg(r1, &(0x7f0000001980)=[{{0x0, 0x0, 0x0}}, {{&(0x7f0000001200)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote}}}, 0x80, &(0x7f00000017c0)=[{&(0x7f0000004540)=""/4096, 0x1000}, {0x0, 0xf1}, {&(0x7f00000002c0)=""/221, 0xdd}, {&(0x7f0000001680)=""/137, 0x89}, {&(0x7f0000001740)=""/95, 0x5f}], 0x5, &(0x7f00000018c0)=""/170, 0xaa}, 0x2}], 0x2, 0x2000, 0x0) [ 62.966664][ T8449] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.974244][ T8449] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.985076][ T8449] device bridge_slave_0 entered promiscuous mode [ 63.040882][ T8449] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.051141][ T8449] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.060206][ T8449] device bridge_slave_1 entered promiscuous mode [ 63.072745][ T8452] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.082945][ T8452] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.091167][ T8452] device bridge_slave_0 entered promiscuous mode [ 63.101969][ T8452] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.109535][ T8452] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.117646][ T8452] device bridge_slave_1 entered promiscuous mode [ 63.164517][ T8452] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.181177][ T8449] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.195468][ T8452] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.213681][ T8447] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.227191][ T8460] IPVS: ftp: loaded support on port[0] = 21 [ 63.277916][ T8447] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.348749][ T8447] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.397731][ T8449] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.408109][ T8452] team0: Port device team_slave_0 added [ 63.444802][ T8447] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.478127][ T8452] team0: Port device team_slave_1 added [ 63.485544][ T8449] team0: Port device team_slave_0 added [ 63.496171][ T8449] team0: Port device team_slave_1 added [ 63.526184][ T8455] chnl_net:caif_netlink_parms(): no params data found [ 63.607133][ T8449] device hsr_slave_0 entered promiscuous mode [ 63.634797][ T8449] device hsr_slave_1 entered promiscuous mode [ 63.674493][ T8449] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.682273][ T8449] Cannot create hsr debugfs directory [ 63.721834][ T8457] chnl_net:caif_netlink_parms(): no params data found [ 63.766222][ T8452] device hsr_slave_0 entered promiscuous mode [ 63.794812][ T8452] device hsr_slave_1 entered promiscuous mode [ 63.834506][ T8452] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.842187][ T8452] Cannot create hsr debugfs directory [ 63.910117][ T8455] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.918046][ T8455] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.925823][ T8455] device bridge_slave_0 entered promiscuous mode [ 63.935049][ T8455] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.942100][ T8455] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.952716][ T8455] device bridge_slave_1 entered promiscuous mode [ 64.012259][ T8457] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.019894][ T8457] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.028157][ T8457] device bridge_slave_0 entered promiscuous mode [ 64.036945][ T8455] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.048336][ T8455] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.066945][ T8457] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.074028][ T8457] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.083228][ T8457] device bridge_slave_1 entered promiscuous mode [ 64.111920][ T8455] team0: Port device team_slave_0 added [ 64.130977][ T8457] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.149842][ T8455] team0: Port device team_slave_1 added [ 64.166782][ T8457] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.227340][ T8455] device hsr_slave_0 entered promiscuous mode [ 64.264765][ T8455] device hsr_slave_1 entered promiscuous mode [ 64.314498][ T8455] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.322088][ T8455] Cannot create hsr debugfs directory [ 64.328142][ T8449] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.416602][ T8457] team0: Port device team_slave_0 added [ 64.426377][ T8457] team0: Port device team_slave_1 added [ 64.432901][ T8449] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 64.473195][ T8449] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 64.561433][ T8460] chnl_net:caif_netlink_parms(): no params data found [ 64.570153][ T8449] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 64.609605][ T8452] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 64.726442][ T8457] device hsr_slave_0 entered promiscuous mode [ 64.774860][ T8457] device hsr_slave_1 entered promiscuous mode [ 64.814670][ T8457] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.822310][ T8457] Cannot create hsr debugfs directory [ 64.836480][ T8447] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.851104][ T8452] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 64.895765][ T8452] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 64.951776][ T8447] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.964654][ T8452] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.034294][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.042626][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.076892][ T8460] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.084246][ T8460] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.092605][ T8460] device bridge_slave_0 entered promiscuous mode [ 65.100545][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.109981][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.119074][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.126298][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.134194][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.143001][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.151472][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.158534][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.166178][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.174972][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.204606][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.213084][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.222389][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.230794][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.240146][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.248703][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.257080][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.274811][ T8460] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.281884][ T8460] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.290860][ T8460] device bridge_slave_1 entered promiscuous mode [ 65.308903][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.317485][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.326483][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.336593][ T8447] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.380111][ T8449] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.389598][ T8460] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.426411][ T8455] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 65.462858][ T8447] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.472016][ T8460] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.489097][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.497551][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.505672][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.513061][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.523139][ T8449] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.533458][ T8455] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 65.596997][ T8455] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 65.636923][ T8455] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 65.699107][ T8460] team0: Port device team_slave_0 added [ 65.727070][ T8460] team0: Port device team_slave_1 added [ 65.746395][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.755244][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.763467][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.770553][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.778501][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.788280][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.796711][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.803748][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.811800][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.841592][ T8457] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 65.886292][ T8457] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 65.960823][ T8457] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 66.017155][ T8457] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 66.067426][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.076264][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.085899][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.095368][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.126216][ T8460] device hsr_slave_0 entered promiscuous mode [ 66.175833][ T8460] device hsr_slave_1 entered promiscuous mode [ 66.224527][ T8460] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.232163][ T8460] Cannot create hsr debugfs directory [ 66.278668][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.287681][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.298577][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.307072][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.322638][ T8449] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.333633][ T8449] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.356175][ T8447] device veth0_vlan entered promiscuous mode [ 66.365704][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.373387][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.381978][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.391077][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.399555][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.408451][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.416985][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.447840][ T8452] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.464728][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.472318][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.480396][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.495620][ T8449] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.503114][ T8447] device veth1_vlan entered promiscuous mode [ 66.526677][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.537456][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.546699][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.554588][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.593658][ T8452] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.614660][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.623163][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.640028][ T8457] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.654747][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.663221][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.673229][ T2711] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.680340][ T2711] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.692833][ T8449] device veth0_vlan entered promiscuous mode [ 66.710255][ T8449] device veth1_vlan entered promiscuous mode [ 66.722437][ T8455] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.743366][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.752006][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.760826][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.770327][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.778856][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.787787][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.796536][ T27] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.803651][ T27] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.811390][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.819086][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.843372][ T8457] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.862547][ T8455] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.885141][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.893302][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 171.914338][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 171.921274][ C1] rcu: 1-...!: (10499 ticks this GP) idle=b12/1/0x4000000000000002 softirq=11425/11425 fqs=40 [ 171.931859][ C1] (t=10500 jiffies g=6781 q=59) [ 171.936800][ C1] rcu: rcu_preempt kthread starved for 10419 jiffies! g6781 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 171.947898][ C1] rcu: RCU grace-period kthread stack dump: [ 171.953798][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 171.961698][ C1] Call Trace: [ 171.964987][ C1] __schedule+0x9a0/0xcc0 [ 171.969315][ C1] schedule+0x181/0x210 [ 171.973460][ C1] schedule_timeout+0x14f/0x240 [ 171.978298][ C1] ? run_local_timers+0x120/0x120 [ 171.983313][ C1] rcu_gp_kthread+0xed8/0x1770 [ 171.988075][ C1] kthread+0x332/0x350 [ 171.992128][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 171.997228][ C1] ? kthread_blkcg+0xe0/0xe0 [ 172.001805][ C1] ret_from_fork+0x24/0x30 [ 172.006222][ C1] NMI backtrace for cpu 1 [ 172.010547][ C1] CPU: 1 PID: 2711 Comm: kworker/1:3 Not tainted 5.5.0-rc5-syzkaller #0 [ 172.018850][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.028909][ C1] Workqueue: events linkwatch_event [ 172.034094][ C1] Call Trace: [ 172.037366][ C1] [ 172.040207][ C1] dump_stack+0x1fb/0x318 [ 172.044528][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 172.049368][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 172.055515][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 172.061573][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 172.067543][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 172.073423][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 172.078528][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 172.083720][ C1] ? trace_hardirqs_off+0x74/0x80 [ 172.088748][ C1] update_process_times+0x12d/0x180 [ 172.093965][ C1] tick_sched_timer+0x263/0x420 [ 172.098840][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 172.104383][ C1] __hrtimer_run_queues+0x403/0x840 [ 172.109621][ C1] hrtimer_interrupt+0x38c/0xda0 [ 172.114573][ C1] ? debug_smp_processor_id+0x9/0x20 [ 172.119855][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 172.125406][ C1] apic_timer_interrupt+0xf/0x20 [ 172.130331][ C1] [ 172.133260][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x50 [ 172.139332][ C1] Code: 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d f4 f4 ed 07 48 89 de e8 84 f4 3b 00 5b 5d c3 cc 48 8b 04 24 <65> 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e f7 c2 00 01 1f 00 [ 172.159044][ C1] RSP: 0018:ffffc900079df6c8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 172.167447][ C1] RAX: ffffffff814896c6 RBX: ffffea000243cf40 RCX: 0000000000000000 [ 172.175485][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000243cf40 [ 172.183447][ C1] RBP: ffffc900079df6f0 R08: dffffc0000000000 R09: fffffbfff124248a [ 172.191410][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a6ce62a0 [ 172.199372][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888092117838 [ 172.207350][ C1] ? mod_memcg_page_state+0x16/0x190 [ 172.212627][ C1] ? free_thread_stack+0x124/0x590 [ 172.217825][ C1] ? mod_memcg_page_state+0x16/0x190 [ 172.223097][ C1] free_thread_stack+0x168/0x590 [ 172.228037][ C1] put_task_stack+0xa3/0x130 [ 172.232714][ C1] finish_task_switch+0x3f1/0x550 [ 172.237731][ C1] __schedule+0x9a8/0xcc0 [ 172.242058][ C1] ? ___preempt_schedule+0x16/0x18 [ 172.247158][ C1] preempt_schedule+0xdb/0x120 [ 172.251912][ C1] ___preempt_schedule+0x16/0x18 [ 172.256839][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 172.261504][ C1] ? vprintk_emit+0x368/0x3a0 [ 172.266176][ C1] vprintk_emit+0x36d/0x3a0 [ 172.270822][ C1] vprintk_default+0x28/0x30 [ 172.275419][ C1] vprintk_func+0x158/0x170 [ 172.279944][ C1] printk+0x62/0x8d [ 172.283791][ C1] ? addrconf_notify+0xd37/0x3c90 [ 172.288812][ C1] ? addrconf_notify+0x779/0x3c90 [ 172.293841][ C1] addrconf_notify+0x2c8d/0x3c90 [ 172.298780][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 172.304070][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 172.309446][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 172.314986][ C1] ? trace_hardirqs_on+0x74/0x80 [ 172.319920][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 172.325281][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 172.330814][ C1] ? tls_dev_event+0x619/0xc00 [ 172.335569][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 172.341123][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 172.346315][ C1] raw_notifier_call_chain+0xec/0x190 [ 172.351683][ C1] netdev_state_change+0x147/0x1f0 [ 172.356790][ C1] linkwatch_do_dev+0x10e/0x160 [ 172.361629][ C1] __linkwatch_run_queue+0x446/0x730 [ 172.366913][ C1] linkwatch_event+0x4c/0x60 [ 172.371494][ C1] process_one_work+0x7ef/0x10d0 [ 172.376436][ C1] worker_thread+0xc01/0x1630 [ 172.381124][ C1] kthread+0x332/0x350 [ 172.385189][ C1] ? rcu_lock_release+0x30/0x30 [ 172.390029][ C1] ? kthread_blkcg+0xe0/0xe0 [ 172.394609][ C1] ret_from_fork+0x24/0x30