[ 41.545918][ T25] audit: type=1800 audit(1575333707.065:26): pid=7938 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 41.593860][ T25] audit: type=1800 audit(1575333707.065:27): pid=7938 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.633165][ T25] audit: type=1800 audit(1575333707.065:28): pid=7938 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. [ 42.197890][ T25] audit: type=1800 audit(1575333707.755:29): pid=7938 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 '10.128.0.19' (ECDSA) to the list of known hosts. 2019/12/03 00:41:57 fuzzer started 2019/12/03 00:41:58 dialing manager at 10.128.0.26:38907 2019/12/03 00:41:59 syscalls: 2697 2019/12/03 00:41:59 code coverage: enabled 2019/12/03 00:41:59 comparison tracing: enabled 2019/12/03 00:41:59 extra coverage: extra coverage is not supported by the kernel 2019/12/03 00:41:59 setuid sandbox: enabled 2019/12/03 00:41:59 namespace sandbox: enabled 2019/12/03 00:41:59 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 00:41:59 fault injection: enabled 2019/12/03 00:41:59 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 00:41:59 net packet injection: enabled 2019/12/03 00:41:59 net device setup: enabled 2019/12/03 00:41:59 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 00:41:59 devlink PCI setup: PCI device 0000:00:10.0 is not available 00:42:00 executing program 0: fanotify_init(0x0, 0x0) syz_open_procfs(0x0, 0x0) syz_open_dev$dmmidi(0x0, 0x0, 0x0) perf_event_open(&(0x7f00000000c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x1a}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) shmat(0x0, &(0x7f0000ffc000/0x3000)=nil, 0xd48a5a656600d03e) ioctl$USBDEVFS_CLAIM_PORT(0xffffffffffffffff, 0x80045518, &(0x7f0000000280)) r0 = socket$nl_netfilter(0x10, 0x3, 0xc) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x6c, &(0x7f000059aff8), &(0x7f000034f000)=0x8) ioctl$TUNSETLINK(0xffffffffffffffff, 0x400454cd, 0x7fff) ioctl$sock_ifreq(r0, 0x8991, &(0x7f00000000c0)={'bond0\x00\x16\b\xea\xff\xff\x80\x00\x06\x02\xff', @ifru_names='bond_slave_1\x00t\x00'}) ioctl$sock_ifreq(r0, 0x89f0, &(0x7f0000000240)={'bond0\x00\xe1\x03\f\x00!!\x00\x01\x00\x01', @ifru_names='bond_slave_1\x00\x00\x00\b'}) 00:42:00 executing program 1: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'nr0\x01\x00', 0x2}) r1 = memfd_create(&(0x7f0000001fc1)='\x00\xac=\x9d\xd2\xdb\xe6\xbf\xb4\b\xedcJ\x8e\x84\xd4N\x12\x9b\x1f\t\xbd\x11+\x86T\x16\xa3\xb3\xae0\x9f9?\xefo\xa4k\x012>\xa1\x9c\x86x\x1c\x9f\x84\x195\xde\x97_\t~\xf3Y\x12\"p^\xc1\x0f', 0x0) fallocate(r1, 0x0, 0x0, 0x1) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x4, 0x11, r1, 0x0) ioctl$TUNSETSTEERINGEBPF(r0, 0x800454e0, &(0x7f00000000c0)) syzkaller login: [ 54.593135][ T8107] IPVS: ftp: loaded support on port[0] = 21 [ 54.756975][ T8107] chnl_net:caif_netlink_parms(): no params data found 00:42:00 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup\x00', 0x200002, 0x0) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000200)={r2, 0x2, 0x0, 0x0, 0x0}, 0x20) [ 54.801706][ T8110] IPVS: ftp: loaded support on port[0] = 21 [ 54.823225][ T8107] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.832201][ T8107] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.840470][ T8107] device bridge_slave_0 entered promiscuous mode [ 54.870175][ T8107] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.886778][ T8107] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.907001][ T8107] device bridge_slave_1 entered promiscuous mode [ 54.967117][ T8107] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.000076][ T8107] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.023169][ T8112] IPVS: ftp: loaded support on port[0] = 21 [ 55.061938][ T8107] team0: Port device team_slave_0 added [ 55.084677][ T8107] team0: Port device team_slave_1 added [ 55.100941][ T8110] chnl_net:caif_netlink_parms(): no params data found 00:42:00 executing program 3: r0 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0x0, 0x0) mmap$snddsp(&(0x7f0000ffa000/0x4000)=nil, 0x300, 0x1d, 0x12, r0, 0x81000000) [ 55.198611][ T8107] device hsr_slave_0 entered promiscuous mode 00:42:00 executing program 4: r0 = socket(0x10, 0x80002, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=@newlink={0x48, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x28, 0x12, @veth={{0xc, 0x1, 'veth\x00'}, {0x18, 0x2, @VETH_INFO_PEER={0x14}}}}]}, 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000280)=ANY=[@ANYBLOB="480000002400070500"/20, @ANYRES32=r4, @ANYBLOB="00000400f1ffffff0000000008000100687462001c000200180002000300000000010000000000000800000000000000ce204b707596906260a7cefc"], 0x48}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000004c0)=ANY=[@ANYBLOB="340000002e00070500"/20, @ANYRES32=r4, @ANYBLOB="00da00007265640000000004000200"/28], 0x34}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000140), 0x332, 0x0) [ 55.287804][ T8107] device hsr_slave_1 entered promiscuous mode [ 55.423605][ T8115] IPVS: ftp: loaded support on port[0] = 21 [ 55.438031][ T8110] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.445111][ T8110] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.466932][ T8110] device bridge_slave_0 entered promiscuous mode 00:42:01 executing program 5: r0 = socket$kcm(0xa, 0x5, 0x0) sendmsg(r0, &(0x7f0000000400)={&(0x7f0000000080)=@in6={0xa, 0x0, 0x0, @local, 0x3}, 0x80, &(0x7f0000000300)=[{&(0x7f0000000280)='m', 0x34000}], 0x1}, 0x60) ppoll(&(0x7f0000000080)=[{r0}], 0x1, &(0x7f00000000c0)={0x0, 0x1c9c380}, 0x0, 0x0) [ 55.540231][ T8110] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.555888][ T8110] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.576254][ T8110] device bridge_slave_1 entered promiscuous mode [ 55.628886][ T8107] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.640822][ T8118] IPVS: ftp: loaded support on port[0] = 21 [ 55.669833][ T8110] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.688394][ T8110] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.706132][ T8112] chnl_net:caif_netlink_parms(): no params data found [ 55.730109][ T8110] team0: Port device team_slave_0 added [ 55.737397][ T8110] team0: Port device team_slave_1 added [ 55.743064][ T8107] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.799438][ T8107] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.860824][ T8107] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.918860][ T8120] IPVS: ftp: loaded support on port[0] = 21 [ 55.985005][ T8112] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.993725][ T8112] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.001618][ T8112] device bridge_slave_0 entered promiscuous mode [ 56.048400][ T8110] device hsr_slave_0 entered promiscuous mode [ 56.087231][ T8110] device hsr_slave_1 entered promiscuous mode [ 56.135949][ T8110] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.169485][ T8112] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.176988][ T8112] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.184633][ T8112] device bridge_slave_1 entered promiscuous mode [ 56.231620][ T8112] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.278097][ T8112] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.305306][ T8112] team0: Port device team_slave_0 added [ 56.316587][ T8110] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.384685][ T8112] team0: Port device team_slave_1 added [ 56.391336][ T8115] chnl_net:caif_netlink_parms(): no params data found [ 56.424761][ T8110] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.502710][ T8110] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.548061][ T8110] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.629458][ T8118] chnl_net:caif_netlink_parms(): no params data found [ 56.643941][ T8120] chnl_net:caif_netlink_parms(): no params data found [ 56.698820][ T8112] device hsr_slave_0 entered promiscuous mode [ 56.736226][ T8112] device hsr_slave_1 entered promiscuous mode [ 56.795934][ T8112] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.809059][ T8115] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.818025][ T8115] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.825678][ T8115] device bridge_slave_0 entered promiscuous mode [ 56.833703][ T8115] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.840838][ T8115] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.848998][ T8115] device bridge_slave_1 entered promiscuous mode [ 56.923467][ T8115] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.950421][ T8112] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.008524][ T8120] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.015598][ T8120] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.023441][ T8120] device bridge_slave_0 entered promiscuous mode [ 57.032155][ T8115] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.041604][ T8118] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.048991][ T8118] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.056797][ T8118] device bridge_slave_0 entered promiscuous mode [ 57.065409][ T8118] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.072860][ T8118] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.081364][ T8118] device bridge_slave_1 entered promiscuous mode [ 57.088586][ T8112] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.138651][ T8120] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.145843][ T8120] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.153422][ T8120] device bridge_slave_1 entered promiscuous mode [ 57.174358][ T8120] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.185135][ T8120] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.201041][ T8112] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.260564][ T8112] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.324330][ T8115] team0: Port device team_slave_0 added [ 57.343635][ T8120] team0: Port device team_slave_0 added [ 57.351216][ T8118] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.364404][ T8115] team0: Port device team_slave_1 added [ 57.373529][ T8107] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.382176][ T8120] team0: Port device team_slave_1 added [ 57.390099][ T8118] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.430245][ T8118] team0: Port device team_slave_0 added [ 57.478635][ T8115] device hsr_slave_0 entered promiscuous mode [ 57.546265][ T8115] device hsr_slave_1 entered promiscuous mode [ 57.605977][ T8115] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.614753][ T8118] team0: Port device team_slave_1 added [ 57.638231][ T8107] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.689229][ T8118] device hsr_slave_0 entered promiscuous mode [ 57.726619][ T8118] device hsr_slave_1 entered promiscuous mode [ 57.765944][ T8118] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.778539][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.786887][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.802512][ T8110] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.848689][ T8120] device hsr_slave_0 entered promiscuous mode [ 57.896340][ T8120] device hsr_slave_1 entered promiscuous mode [ 57.945987][ T8120] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.970952][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.980300][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.988833][ T2751] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.996112][ T2751] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.003837][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.013214][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.021559][ T2751] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.028632][ T2751] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.037101][ T2751] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.054965][ T8112] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.079832][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.093278][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.101433][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.116961][ T8125] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.125405][ T8125] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.135328][ T8125] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.143735][ T8125] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.151546][ T8125] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.160585][ T8115] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.209058][ T8115] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.257667][ T8118] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 58.299820][ T8112] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.308159][ T8110] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.319776][ T8125] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.327807][ T8125] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.336810][ T8125] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.344970][ T8125] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.353410][ T8125] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.373273][ T8115] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 58.437297][ T8118] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 58.481271][ T8118] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 58.541116][ T8107] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.552549][ T8107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.564697][ T8115] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 58.597968][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.607578][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.616485][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.623606][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.631224][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.639925][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.648442][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.656976][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.665207][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.672296][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.681085][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.688999][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.697100][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.706633][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.715388][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.722514][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.731004][ T8118] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 58.787205][ T8120] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 58.830575][ T8121] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.839137][ T8121] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.849974][ T8121] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.857085][ T8121] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.864812][ T8121] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.873815][ T8121] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.882687][ T8121] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.891424][ T8121] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.900127][ T8121] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.907774][ T8121] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.916348][ T8121] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.928849][ T8120] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 58.962007][ T8107] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.984905][ T8125] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.993928][ T8125] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.002524][ T8125] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.011203][ T8125] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.020435][ T8125] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.028697][ T8125] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.036996][ T8125] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.049558][ T8120] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 59.100876][ T8120] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 59.164692][ T8112] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.176905][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.185369][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.194078][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.202708][ T3130] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.248426][ T8125] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 164.275753][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 164.282517][ C1] rcu: 1-....: (1 GPs behind) idle=136/1/0x4000000000000002 softirq=10106/10109 fqs=2768 [ 164.292644][ C1] (t=10501 jiffies g=6033 q=225) [ 164.297668][ C1] rcu: rcu_preempt kthread starved for 4965 jiffies! g6033 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 164.308665][ C1] rcu: RCU grace-period kthread stack dump: [ 164.314536][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 164.322419][ C1] Call Trace: [ 164.325702][ C1] __schedule+0x9a0/0xcc0 [ 164.330026][ C1] schedule+0x181/0x210 [ 164.334351][ C1] schedule_timeout+0x14f/0x240 [ 164.339186][ C1] ? run_local_timers+0x120/0x120 [ 164.344198][ C1] rcu_gp_kthread+0xed8/0x1770 [ 164.348957][ C1] kthread+0x332/0x350 [ 164.353005][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 164.358111][ C1] ? kthread_blkcg+0xe0/0xe0 [ 164.362686][ C1] ret_from_fork+0x24/0x30 [ 164.367099][ C1] NMI backtrace for cpu 1 [ 164.371417][ C1] CPU: 1 PID: 8125 Comm: kworker/1:3 Not tainted 5.4.0-syzkaller #0 [ 164.379370][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.389416][ C1] Workqueue: events linkwatch_event [ 164.394596][ C1] Call Trace: [ 164.397862][ C1] [ 164.400701][ C1] dump_stack+0x1fb/0x318 [ 164.405017][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 164.409851][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 164.416003][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 164.422051][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 164.428018][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.433896][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 164.438994][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 164.444178][ C1] ? trace_hardirqs_off+0x74/0x80 [ 164.449191][ C1] update_process_times+0x12d/0x180 [ 164.454380][ C1] tick_sched_timer+0x263/0x420 [ 164.459214][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.464753][ C1] __hrtimer_run_queues+0x403/0x840 [ 164.469947][ C1] hrtimer_interrupt+0x38c/0xda0 [ 164.474892][ C1] ? debug_smp_processor_id+0x9/0x20 [ 164.480166][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 164.486304][ C1] apic_timer_interrupt+0xf/0x20 [ 164.491225][ C1] [ 164.494158][ C1] RIP: 0010:free_thread_stack+0x14c/0x590 [ 164.499859][ C1] Code: 2e 00 48 89 df 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 43 a4 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 25 a4 69 00 48 8b 3b be fc ff ff [ 164.519445][ C1] RSP: 0018:ffffc90002187700 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff13 [ 164.527841][ C1] RAX: 1ffff11013e07131 RBX: ffff88809f038988 RCX: 0000000000000000 [ 164.535812][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00023f4800 [ 164.543770][ C1] RBP: ffffc90002187738 R08: 000000000003a768 R09: ffffed1014659b37 [ 164.551731][ C1] R10: ffffed1014659b37 R11: 0000000000000000 R12: ffff8880a6c67220 [ 164.559690][ C1] R13: dffffc0000000000 R14: 1ffff11014d8ce44 R15: ffff8880a32cd9a8 [ 164.567677][ C1] put_task_stack+0xa3/0x130 [ 164.572258][ C1] finish_task_switch+0x3f1/0x550 [ 164.577270][ C1] __schedule+0x9a8/0xcc0 [ 164.581617][ C1] ? ___preempt_schedule+0x16/0x18 [ 164.586716][ C1] preempt_schedule+0xdb/0x120 [ 164.591464][ C1] ___preempt_schedule+0x16/0x18 [ 164.596386][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 164.601049][ C1] ? vprintk_emit+0x368/0x3a0 [ 164.605710][ C1] vprintk_emit+0x36d/0x3a0 [ 164.610201][ C1] vprintk_default+0x28/0x30 [ 164.614802][ C1] vprintk_func+0x158/0x170 [ 164.619294][ C1] printk+0x62/0x8d [ 164.623093][ C1] ? addrconf_notify+0xd37/0x3c90 [ 164.628119][ C1] ? addrconf_notify+0x779/0x3c90 [ 164.633132][ C1] addrconf_notify+0x2c8d/0x3c90 [ 164.638059][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 164.643336][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 164.648697][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 164.654230][ C1] ? trace_hardirqs_on+0x74/0x80 [ 164.659153][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 164.664509][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 164.670037][ C1] ? tls_dev_event+0x619/0xc00 [ 164.674786][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 164.680316][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 164.685505][ C1] raw_notifier_call_chain+0xec/0x190 [ 164.690872][ C1] netdev_state_change+0x147/0x1f0 [ 164.695972][ C1] linkwatch_do_dev+0x10e/0x160 [ 164.700808][ C1] __linkwatch_run_queue+0x446/0x730 [ 164.706086][ C1] linkwatch_event+0x4c/0x60 [ 164.710660][ C1] process_one_work+0x7ef/0x10d0 [ 164.715618][ C1] worker_thread+0xc01/0x1630 [ 164.720309][ C1] kthread+0x332/0x350 [ 164.724365][ C1] ? rcu_lock_release+0x30/0x30 [ 164.729216][ C1] ? kthread_blkcg+0xe0/0xe0 [ 164.733794][ C1] ret_from_fork+0x24/0x30