[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.528336][ T23] audit: type=1800 audit(1578445827.985:25): pid=8252 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.552462][ T23] audit: type=1800 audit(1578445827.985:26): pid=8252 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.582763][ T23] audit: type=1800 audit(1578445827.995:27): pid=8252 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 '10.128.0.157' (ECDSA) to the list of known hosts. 2020/01/08 01:10:39 fuzzer started 2020/01/08 01:10:41 dialing manager at 10.128.0.26:35703 2020/01/08 01:10:41 checking machine... 2020/01/08 01:10:41 checking revisions... 2020/01/08 01:10:41 testing simple program... syzkaller login: [ 58.886462][ T8419] IPVS: ftp: loaded support on port[0] = 21 2020/01/08 01:10:41 building call list... [ 59.222312][ T359] tipc: TX() has been purged, node left! [ 59.962845][ T8409] can: request_module (can-proto-0) failed. executing program [ 62.294382][ T8409] can: request_module (can-proto-0) failed. [ 62.306030][ T8409] can: request_module (can-proto-0) failed. 2020/01/08 01:10:58 syscalls: 2824 2020/01/08 01:10:58 code coverage: enabled 2020/01/08 01:10:58 comparison tracing: enabled 2020/01/08 01:10:58 extra coverage: enabled 2020/01/08 01:10:58 setuid sandbox: enabled 2020/01/08 01:10:58 namespace sandbox: enabled 2020/01/08 01:10:58 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 01:10:58 fault injection: enabled 2020/01/08 01:10:58 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 01:10:58 net packet injection: enabled 2020/01/08 01:10:58 net device setup: enabled 2020/01/08 01:10:58 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 01:10:58 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:10:59 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KDADDIO(r0, 0x5423, 0xfffffffffffffffa) 01:10:59 executing program 1: bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x3, 0xe, &(0x7f0000000040)=ANY=[@ANYBLOB="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"], &(0x7f0000000340)='syzkaller\x00'}, 0x48) [ 76.826646][ T8468] IPVS: ftp: loaded support on port[0] = 21 01:10:59 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000240)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) add_key$keyring(0x0, 0x0, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_ENCRYPT(0x19, &(0x7f0000000280)={0x0, 0x0, 0x86}, 0x0, &(0x7f00000003c0), &(0x7f0000000400)=""/134) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x3, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) memfd_create(0x0, 0x0) ptrace(0x4200, 0x0) ptrace$pokeuser(0x6, 0x0, 0x0, 0x0) open(&(0x7f0000000440)='./bus\x00', 0x0, 0x0) fsetxattr$trusted_overlay_nlink(0xffffffffffffffff, &(0x7f0000000100)='trusted.overlay.nlink\x00', 0x0, 0x0, 0x1) socket$inet6_udp(0xa, 0x2, 0x0) openat$loop_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_REGISTER_COALESCED_MMIO(r1, 0x4010ae67, &(0x7f00000001c0)={0x0, 0x119000}) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000000000/0x18000)=nil, 0x0, 0xfefd, 0x0, 0x0, 0x663abba741622feb) ioctl$KVM_NMI(r2, 0xae9a) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x22000, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 76.979161][ T8470] IPVS: ftp: loaded support on port[0] = 21 [ 77.018232][ T8468] chnl_net:caif_netlink_parms(): no params data found [ 77.139560][ T8468] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.148214][ T8468] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.156265][ T8468] device bridge_slave_0 entered promiscuous mode [ 77.182014][ T8473] IPVS: ftp: loaded support on port[0] = 21 [ 77.189118][ T8468] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.197203][ T8468] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.209739][ T8468] device bridge_slave_1 entered promiscuous mode 01:10:59 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$sock_int(r0, 0x1, 0xf, &(0x7f0000017000)=0xfffff7fffffffffd, 0x4) bind$inet(r0, &(0x7f0000011ff0)={0x2, 0x4e20, @multicast2}, 0x10) listen(r0, 0x0) r1 = socket$inet(0x2, 0x1, 0x0) setsockopt$sock_int(r1, 0x1, 0xf, &(0x7f0000356ffc)=0xffffffffffffff40, 0x4) bind$inet(r1, &(0x7f0000000040)={0x2, 0x4e20, @multicast2}, 0x10) listen(r1, 0x0) [ 77.278583][ T8468] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.308834][ T8468] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.338305][ T8468] team0: Port device team_slave_0 added [ 77.354079][ T8468] team0: Port device team_slave_1 added [ 77.380984][ T8470] chnl_net:caif_netlink_parms(): no params data found 01:10:59 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) wait4(0x0, 0x0, 0x80000002, 0x0) r0 = getpid() r1 = getpid() rt_tgsigqueueinfo(r1, r0, 0x16, &(0x7f0000000100)) ptrace(0x10, r0) ptrace$setopts(0x420d, r0, 0x0, 0x0) [ 77.454993][ T8468] device hsr_slave_0 entered promiscuous mode [ 77.493642][ T8468] device hsr_slave_1 entered promiscuous mode [ 77.582469][ T8476] IPVS: ftp: loaded support on port[0] = 21 [ 77.709127][ T8473] chnl_net:caif_netlink_parms(): no params data found [ 77.728753][ T8470] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.740289][ T8470] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.748689][ T8470] device bridge_slave_0 entered promiscuous mode 01:11:00 executing program 5: r0 = socket$inet6_sctp(0xa, 0x4000000000000001, 0x84) bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f0000847fff)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000159000)={0x1, &(0x7f0000a7dff8)=[{0x6, 0x0, 0x0, 0x6}]}, 0x10) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000000c0)={0x0, @in6, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x98) r1 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000080)={r2}, &(0x7f00000000c0)=0x8) [ 77.807676][ T8479] IPVS: ftp: loaded support on port[0] = 21 [ 77.824753][ T8470] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.831886][ T8470] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.848994][ T8470] device bridge_slave_1 entered promiscuous mode [ 77.931378][ T8470] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.955353][ T8468] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.014953][ T8470] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.038425][ T8470] team0: Port device team_slave_0 added [ 78.046757][ T8470] team0: Port device team_slave_1 added [ 78.052935][ T8473] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.060039][ T8473] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.068254][ T8473] device bridge_slave_0 entered promiscuous mode [ 78.080266][ T8468] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.139704][ T8468] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.199654][ T8481] IPVS: ftp: loaded support on port[0] = 21 [ 78.210311][ T8473] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.219049][ T8473] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.226638][ T8473] device bridge_slave_1 entered promiscuous mode [ 78.246387][ T8468] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.353923][ T8470] device hsr_slave_0 entered promiscuous mode [ 78.412658][ T8470] device hsr_slave_1 entered promiscuous mode [ 78.452333][ T8470] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 78.460110][ T8470] Cannot create hsr debugfs directory [ 78.494000][ T8473] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.505810][ T8473] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.562950][ T8476] chnl_net:caif_netlink_parms(): no params data found [ 78.588626][ T8473] team0: Port device team_slave_0 added [ 78.624740][ T8473] team0: Port device team_slave_1 added [ 78.755101][ T8473] device hsr_slave_0 entered promiscuous mode [ 78.802541][ T8473] device hsr_slave_1 entered promiscuous mode [ 78.852350][ T8473] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 78.859923][ T8473] Cannot create hsr debugfs directory [ 78.881849][ T8479] chnl_net:caif_netlink_parms(): no params data found [ 78.890899][ T8470] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 78.953561][ T8476] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.960709][ T8476] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.968842][ T8476] device bridge_slave_0 entered promiscuous mode [ 78.978037][ T8476] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.985443][ T8476] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.993725][ T8476] device bridge_slave_1 entered promiscuous mode [ 79.013590][ T8470] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 79.105674][ T8470] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 79.175858][ T8470] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 79.243594][ T8476] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.254914][ T8476] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.315170][ T8479] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.322347][ T8479] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.330094][ T8479] device bridge_slave_0 entered promiscuous mode [ 79.354586][ T8481] chnl_net:caif_netlink_parms(): no params data found [ 79.385532][ T8479] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.397174][ T8479] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.405277][ T8479] device bridge_slave_1 entered promiscuous mode [ 79.437433][ T8476] team0: Port device team_slave_0 added [ 79.453160][ T8468] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.463282][ T8479] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.478623][ T8476] team0: Port device team_slave_1 added [ 79.485204][ T8481] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.495896][ T8481] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.503606][ T8481] device bridge_slave_0 entered promiscuous mode [ 79.513018][ T8479] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.540340][ T8481] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.547734][ T8481] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.555538][ T8481] device bridge_slave_1 entered promiscuous mode [ 79.574566][ T8473] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 79.684794][ T8476] device hsr_slave_0 entered promiscuous mode [ 79.722537][ T8476] device hsr_slave_1 entered promiscuous mode [ 79.762462][ T8476] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 79.770033][ T8476] Cannot create hsr debugfs directory [ 79.781761][ T8481] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.791458][ T8473] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 79.838119][ T8473] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 79.896175][ T8479] team0: Port device team_slave_0 added [ 79.902035][ T8473] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 79.966438][ T8481] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.990371][ T8479] team0: Port device team_slave_1 added [ 80.010698][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 80.018880][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.035286][ T8481] team0: Port device team_slave_0 added [ 80.048199][ T8481] team0: Port device team_slave_1 added [ 80.063829][ T8468] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.114732][ T8481] device hsr_slave_0 entered promiscuous mode [ 80.153551][ T8481] device hsr_slave_1 entered promiscuous mode [ 80.212320][ T8481] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 80.220020][ T8481] Cannot create hsr debugfs directory [ 80.274369][ T8479] device hsr_slave_0 entered promiscuous mode [ 80.312984][ T8479] device hsr_slave_1 entered promiscuous mode [ 80.352412][ T8479] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 80.359998][ T8479] Cannot create hsr debugfs directory [ 80.397476][ T8470] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.443858][ T8470] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.456212][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 80.469817][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.479167][ T3932] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.486365][ T3932] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.496014][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 80.504097][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.512056][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 80.558342][ T8476] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 80.598251][ T8476] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 80.644919][ T8476] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 80.687642][ T8476] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 80.734739][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 80.743301][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.751531][ T3934] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.758616][ T3934] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.766402][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 80.775441][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.783856][ T3934] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.790894][ T3934] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.834327][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 80.842155][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 80.852864][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 80.861490][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.870585][ T3934] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.877674][ T3934] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.885504][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 80.894129][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 80.902812][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.911573][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 80.936800][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 80.946107][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.987107][ T8424] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 80.997307][ T8424] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 81.005972][ T8424] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.025479][ T8479] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 81.067431][ T8473] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.083457][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 81.091953][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 81.108006][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.116906][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 81.127751][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.136394][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 81.144852][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.153205][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 81.161389][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.169881][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.183794][ T8479] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 81.234696][ T8479] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 81.276131][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 81.286037][ T8481] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 81.327839][ T8470] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 81.339437][ T8470] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 81.351573][ T8479] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 81.396125][ T8424] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 81.404405][ T8424] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.413484][ T8424] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 81.421054][ T8424] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.429298][ T8481] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 81.476205][ T8473] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.500106][ T8424] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 81.509871][ T8424] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 81.518762][ T8481] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 81.593296][ T8468] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 81.601663][ T8481] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 81.638093][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 81.649784][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.658383][ T3928] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.665450][ T3928] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.673902][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 81.682754][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.690977][ T3928] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.698052][ T3928] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.705890][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 81.713503][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 81.722134][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 81.751596][ T8476] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.768345][ T8470] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 81.776690][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 81.786229][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 81.795306][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 81.804021][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.812445][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 81.812987][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.828811][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.840405][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 81.849213][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 81.857792][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 81.866076][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.884080][ T8476] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.918540][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 81.926683][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.934827][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 81.946891][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 81.956103][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 81.965055][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.991533][ T8424] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 82.000812][ T8424] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.009406][ T8424] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.016497][ T8424] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.026243][ T8424] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 82.035070][ T8424] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.043868][ T8424] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.050906][ T8424] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.058634][ T8424] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 82.067165][ T8424] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 82.077390][ T8424] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 82.089426][ T8473] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.116970][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 82.125434][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 82.135260][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 82.146067][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.154720][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 82.163885][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.172093][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 82.180788][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.190099][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 82.198134][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 82.206207][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 82.227423][ T8468] device veth0_vlan entered promiscuous mode [ 82.244696][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 82.255037][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 82.264831][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 82.272565][ T3934] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 82.281227][ T8470] device veth0_vlan entered promiscuous mode [ 82.306709][ T8479] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.316294][ T8468] device veth1_vlan entered promiscuous mode [ 82.327010][ T8485] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 82.335039][ T8485] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 82.343904][ T8485] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.351951][ T8485] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 82.359711][ T8485] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 82.368916][ T8470] device veth1_vlan entered promiscuous mode [ 82.388936][ T8473] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.397353][ T8476] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.418349][ T8479] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.443468][ T8485] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 82.453371][ T8485] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 82.461400][ T8485] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.469155][ T8485] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.520397][ T8481] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.533433][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 82.541947][ T3932] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.561372][ T3932] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.568482][ T3932] bridge0: port 1(bridge_slave_0) entered forwarding state [ 187.592189][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 187.599068][ C0] rcu: 0-...!: (10499 ticks this GP) idle=ff2/1/0x4000000000000002 softirq=13155/13155 fqs=0 [ 187.609559][ C0] (t=10500 jiffies g=7417 q=75) [ 187.614482][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g7417 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 187.625732][ C0] rcu: RCU grace-period kthread stack dump: [ 187.631603][ C0] rcu_preempt I29032 10 2 0x80004000 [ 187.637943][ C0] Call Trace: [ 187.641221][ C0] __schedule+0x9a0/0xcc0 [ 187.645550][ C0] schedule+0x181/0x210 [ 187.649717][ C0] schedule_timeout+0x14f/0x240 [ 187.654554][ C0] ? run_local_timers+0x120/0x120 [ 187.659578][ C0] rcu_gp_kthread+0xed8/0x1770 [ 187.664336][ C0] kthread+0x332/0x350 [ 187.668391][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 187.673484][ C0] ? kthread_blkcg+0xe0/0xe0 [ 187.678073][ C0] ret_from_fork+0x24/0x30 [ 187.682513][ C0] NMI backtrace for cpu 0 [ 187.686831][ C0] CPU: 0 PID: 8488 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 187.695390][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 187.705429][ C0] Call Trace: [ 187.708695][ C0] [ 187.711603][ C0] dump_stack+0x1fb/0x318 [ 187.715945][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 187.720795][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 187.726952][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 187.733007][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 187.738994][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 187.744870][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 187.749970][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 187.755158][ C0] ? trace_hardirqs_off+0x74/0x80 [ 187.760174][ C0] update_process_times+0x12d/0x180 [ 187.765376][ C0] tick_sched_timer+0x263/0x420 [ 187.770224][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 187.775762][ C0] __hrtimer_run_queues+0x403/0x840 [ 187.780963][ C0] hrtimer_interrupt+0x38c/0xda0 [ 187.785905][ C0] ? debug_smp_processor_id+0x9/0x20 [ 187.791185][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 187.796717][ C0] apic_timer_interrupt+0xf/0x20 [ 187.801639][ C0] [ 187.804569][ C0] RIP: 0010:free_thread_stack+0x16d/0x590 [ 187.810275][ C0] Code: c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 55 94 6a 00 48 8b 3b be fc ff ff ff e8 28 04 00 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 39 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 187.829862][ C0] RSP: 0018:ffffc90002817860 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 187.838261][ C0] RAX: ffffffff814897d3 RBX: ffff8880939be208 RCX: 0000000000040000 [ 187.846331][ C0] RDX: ffffc90008421000 RSI: 000000000003ffff RDI: 0000000000040000 [ 187.854293][ C0] RBP: ffffc90002817898 R08: dffffc0000000000 R09: fffffbfff12c962d [ 187.862255][ C0] R10: fffffbfff12c962d R11: 0000000000000000 R12: ffff8880939be120 [ 187.870213][ C0] R13: dffffc0000000000 R14: 1ffff11012737c24 R15: ffff8880a8aab5b8 [ 187.878187][ C0] ? mod_memcg_page_state+0x123/0x190 [ 187.883669][ C0] put_task_stack+0xa3/0x130 [ 187.888252][ C0] finish_task_switch+0x3f1/0x550 [ 187.893268][ C0] __schedule+0x9a8/0xcc0 [ 187.897592][ C0] ? ___preempt_schedule+0x16/0x18 [ 187.902691][ C0] preempt_schedule+0xdb/0x120 [ 187.907439][ C0] ___preempt_schedule+0x16/0x18 [ 187.912365][ C0] try_to_wake_up+0xe78/0x1050 [ 187.917122][ C0] ? do_raw_spin_unlock+0x142/0x950 [ 187.922312][ C0] wake_up_q+0x8c/0xe0 [ 187.926375][ C0] futex_wake+0x51c/0x6f0 [ 187.930698][ C0] do_futex+0x3f5/0x3d60 [ 187.934929][ C0] ? __lock_acquire+0xc75/0x1be0 [ 187.939863][ C0] ? do_raw_spin_unlock+0x142/0x950 [ 187.945188][ C0] ? __might_fault+0xf9/0x160 [ 187.949859][ C0] ? __might_fault+0xf9/0x160 [ 187.954526][ C0] ? check_preemption_disabled+0xb4/0x260 [ 187.960231][ C0] ? debug_smp_processor_id+0x9/0x20 [ 187.965506][ C0] __se_sys_futex+0x28c/0x360 [ 187.970171][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 187.975878][ C0] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 187.981585][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 187.987037][ C0] __x64_sys_futex+0xe5/0x100 [ 187.991724][ C0] do_syscall_64+0xf7/0x1c0 [ 187.996220][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 188.002102][ C0] RIP: 0033:0x45af49 [ 188.005993][ C0] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 188.025581][ C0] RSP: 002b:00007fc210a37cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 188.033978][ C0] RAX: ffffffffffffffda RBX: 000000000075bf28 RCX: 000000000045af49 [ 188.041932][ C0] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000075bf2c [ 188.049894][ C0] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 188.057871][ C0] R10: 0000000000000003 R11: 0000000000000246 R12: 000000000075bf2c [ 188.065830][ C0] R13: 00007fff28126b4f R14: 00007fc210a389c0 R15: 000000000075bf2c