[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 47.242068][ T23] audit: type=1800 audit(1578481918.242:25): pid=8313 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 47.273073][ T23] audit: type=1800 audit(1578481918.242:26): pid=8313 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.309731][ T23] audit: type=1800 audit(1578481918.252:27): pid=8313 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 '10.128.0.71' (ECDSA) to the list of known hosts. 2020/01/08 11:12:09 fuzzer started syzkaller login: [ 59.813278][ T8470] cc1 (8470) used greatest stack depth: 23896 bytes left 2020/01/08 11:12:11 dialing manager at 10.128.0.26:35703 2020/01/08 11:12:11 syscalls: 2824 2020/01/08 11:12:11 code coverage: enabled 2020/01/08 11:12:11 comparison tracing: enabled 2020/01/08 11:12:11 extra coverage: enabled 2020/01/08 11:12:11 setuid sandbox: enabled 2020/01/08 11:12:11 namespace sandbox: enabled 2020/01/08 11:12:11 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 11:12:11 fault injection: enabled 2020/01/08 11:12:11 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 11:12:11 net packet injection: enabled 2020/01/08 11:12:11 net device setup: enabled 2020/01/08 11:12:11 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 11:12:11 devlink PCI setup: PCI device 0000:00:10.0 is not available 11:12:12 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000001c0)=@newlink={0x44, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, @ip6ip6={{0xc, 0x1, 'ip6tnl\x00'}, {0x14, 0x2, [@tunl6_policy=[@IFLA_IPTUN_ENCAP_LIMIT={0x8}, @tunl_policy=[@IFLA_IPTUN_TTL={0x8}]]]}}}]}, 0x44}}, 0x0) 11:12:12 executing program 1: perf_event_open(&(0x7f0000000380)={0x0, 0x70, 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, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x15, 0x10, 0x3}, 0x3c) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000940)={0xb, 0x5, &(0x7f00000003c0)=@framed={{0x18, 0x0, 0x10000000}, [@map={0x18, 0x0, 0x1, 0x0, r0}]}, &(0x7f0000000440)='syzkaller\x00', 0x5, 0x270, &(0x7f0000000200)=""/144}, 0x48) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000440)={r1, 0xc0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, 0x10) [ 61.927713][ T8480] IPVS: ftp: loaded support on port[0] = 21 [ 62.066177][ T8480] chnl_net:caif_netlink_parms(): no params data found [ 62.110419][ T8480] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.118006][ T8480] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.128061][ T8480] device bridge_slave_0 entered promiscuous mode [ 62.138561][ T8480] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.147084][ T8480] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.155265][ T8480] device bridge_slave_1 entered promiscuous mode 11:12:13 executing program 2: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'\x00', 0x7132}) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000340)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000000)={'\x00', 0x6513}) [ 62.189528][ T8480] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.206245][ T8483] IPVS: ftp: loaded support on port[0] = 21 [ 62.215223][ T8480] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.281855][ T8480] team0: Port device team_slave_0 added [ 62.310744][ T8480] team0: Port device team_slave_1 added [ 62.367594][ T8485] IPVS: ftp: loaded support on port[0] = 21 [ 62.401726][ T8480] device hsr_slave_0 entered promiscuous mode 11:12:13 executing program 3: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, 0xffffffffffffffff) [ 62.449139][ T8480] device hsr_slave_1 entered promiscuous mode [ 62.653080][ T8483] chnl_net:caif_netlink_parms(): no params data found [ 62.662214][ T8488] IPVS: ftp: loaded support on port[0] = 21 11:12:13 executing program 4: r0 = syz_open_dev$video(&(0x7f0000000100)='/dev/video#\x00', 0x0, 0x0) ioctl$VIDIOC_S_FMT(r0, 0xc0d05605, &(0x7f0000000180)={0x1, @vbi={0x0, 0x0, 0x30314742}}) [ 62.786008][ T8483] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.795749][ T8483] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.805273][ T8483] device bridge_slave_0 entered promiscuous mode [ 62.826049][ T8480] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.881316][ T8480] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.923467][ T8483] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.939209][ T8483] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.946874][ T8483] device bridge_slave_1 entered promiscuous mode [ 62.966558][ T8480] netdevsim netdevsim0 netdevsim2: renamed from eth2 11:12:14 executing program 5: r0 = socket$packet(0x11, 0x800000000000003, 0x300) r1 = socket$packet(0x11, 0x800000000000003, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f00000000c0), 0x4) r2 = socket$packet(0x11, 0x800000000000003, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f00000000c0), 0x4) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f00000000c0), 0x4) close(r0) [ 63.051086][ T8480] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.145873][ T8491] IPVS: ftp: loaded support on port[0] = 21 [ 63.168386][ T8493] IPVS: ftp: loaded support on port[0] = 21 [ 63.177696][ T8485] chnl_net:caif_netlink_parms(): no params data found [ 63.224555][ T8483] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.236418][ T8483] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.306435][ T8483] team0: Port device team_slave_0 added [ 63.316731][ T8483] team0: Port device team_slave_1 added [ 63.334019][ T8485] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.342408][ T8485] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.350330][ T8485] device bridge_slave_0 entered promiscuous mode [ 63.361332][ T8488] chnl_net:caif_netlink_parms(): no params data found [ 63.380204][ T8485] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.387309][ T8485] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.396212][ T8485] device bridge_slave_1 entered promiscuous mode [ 63.491594][ T8483] device hsr_slave_0 entered promiscuous mode [ 63.549316][ T8483] device hsr_slave_1 entered promiscuous mode [ 63.598976][ T8483] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.599082][ T8483] Cannot create hsr debugfs directory [ 63.641261][ T8485] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.655662][ T8485] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.732253][ T8485] team0: Port device team_slave_0 added [ 63.751429][ T8488] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.760984][ T8488] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.768628][ T8488] device bridge_slave_0 entered promiscuous mode [ 63.778421][ T8488] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.785824][ T8488] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.793645][ T8488] device bridge_slave_1 entered promiscuous mode [ 63.803519][ T8485] team0: Port device team_slave_1 added [ 63.836339][ T8480] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.847302][ T8493] chnl_net:caif_netlink_parms(): no params data found [ 63.864382][ T8491] chnl_net:caif_netlink_parms(): no params data found [ 63.931392][ T8485] device hsr_slave_0 entered promiscuous mode [ 63.979244][ T8485] device hsr_slave_1 entered promiscuous mode [ 64.028922][ T8485] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.028936][ T8485] Cannot create hsr debugfs directory [ 64.062534][ T8488] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.093094][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.101824][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.124575][ T8488] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.138534][ T8483] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.186639][ T8480] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.213606][ T8483] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 64.251761][ T8491] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.259017][ T8491] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.266585][ T8491] device bridge_slave_0 entered promiscuous mode [ 64.275917][ T8491] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.283798][ T8491] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.292116][ T8491] device bridge_slave_1 entered promiscuous mode [ 64.307337][ T8493] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.314532][ T8493] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.322322][ T8493] device bridge_slave_0 entered promiscuous mode [ 64.332401][ T8488] team0: Port device team_slave_0 added [ 64.338213][ T8493] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.345763][ T8493] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.354178][ T8493] device bridge_slave_1 entered promiscuous mode [ 64.361562][ T8483] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 64.411086][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.422477][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.431082][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.438242][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.461210][ T8491] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.472863][ T8488] team0: Port device team_slave_1 added [ 64.484797][ T8483] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 64.530788][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.539932][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.548427][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.557233][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.564309][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.572897][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.585108][ T8491] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.620563][ T8493] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.680560][ T8488] device hsr_slave_0 entered promiscuous mode [ 64.739181][ T8488] device hsr_slave_1 entered promiscuous mode [ 64.789106][ T8488] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.796979][ T8488] Cannot create hsr debugfs directory [ 64.803379][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.818947][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.827555][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.844763][ T8493] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.884650][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.892636][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.901245][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.945528][ T8491] team0: Port device team_slave_0 added [ 64.960483][ T8485] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 65.030929][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.042262][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.057891][ T8480] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.071978][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.081325][ T8491] team0: Port device team_slave_1 added [ 65.094163][ T8493] team0: Port device team_slave_0 added [ 65.104563][ T8493] team0: Port device team_slave_1 added [ 65.111474][ T8485] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.172008][ T8485] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.234075][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.243160][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.301924][ T8491] device hsr_slave_0 entered promiscuous mode [ 65.349421][ T8491] device hsr_slave_1 entered promiscuous mode [ 65.389231][ T8491] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.396821][ T8491] Cannot create hsr debugfs directory [ 65.415901][ T8485] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.521609][ T8493] device hsr_slave_0 entered promiscuous mode [ 65.559464][ T8493] device hsr_slave_1 entered promiscuous mode [ 65.599769][ T8493] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.607445][ T8493] Cannot create hsr debugfs directory [ 65.621709][ T8497] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.629436][ T8497] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.644092][ T8488] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 65.695664][ T8480] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.713018][ T8488] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 65.771091][ T8488] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 65.835194][ T8488] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 65.961266][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.970647][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.989823][ T8483] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.020693][ T8491] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 66.077268][ T8480] device veth0_vlan entered promiscuous mode [ 66.087068][ T8491] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 66.142633][ T8491] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 66.184063][ T8491] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 66.230884][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.239715][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.247911][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.256035][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.273812][ T8493] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 66.314109][ T8493] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 66.361148][ T8493] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 66.414257][ T8493] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 66.483715][ T8485] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.492350][ T8480] device veth1_vlan entered promiscuous mode [ 66.501383][ T8497] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.511085][ T8497] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.520951][ T8483] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.552234][ T8497] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.561017][ T8497] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.573358][ T8497] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.580508][ T8497] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.588140][ T8497] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.599069][ T8497] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.608060][ T8497] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.615408][ T8497] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.623253][ T8497] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.636351][ T8485] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.651102][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.659847][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.667478][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.688923][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.697502][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.712151][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.719378][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.733176][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.742384][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.750922][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.757964][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.765756][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.774729][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.784541][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.806015][ T8488] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.831661][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.841517][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.858134][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.867093][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.877207][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.891697][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.902998][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.912306][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.920898][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.929343][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.937089][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.972629][ T8485] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.991330][ T8485] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.033404][ T8485] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.084862][ T8485] device veth0_vlan entered promiscuous mode [ 67.104148][ T8485] device veth1_vlan entered promiscuous mode [ 171.888766][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 171.895661][ C1] rcu: 1-...!: (10499 ticks this GP) idle=0d2/1/0x4000000000000002 softirq=11215/11215 fqs=39 [ 171.906383][ C1] (t=10501 jiffies g=6601 q=423) [ 171.911405][ C1] rcu: rcu_preempt kthread starved for 10424 jiffies! g6601 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 171.922838][ C1] rcu: RCU grace-period kthread stack dump: [ 171.928743][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 171.936634][ C1] Call Trace: [ 171.939925][ C1] __schedule+0x9a0/0xcc0 [ 171.944255][ C1] schedule+0x181/0x210 [ 171.948404][ C1] schedule_timeout+0x14f/0x240 [ 171.953244][ C1] ? run_local_timers+0x120/0x120 [ 171.958269][ C1] rcu_gp_kthread+0xed8/0x1770 [ 171.963052][ C1] kthread+0x332/0x350 [ 171.967120][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 171.972224][ C1] ? kthread_blkcg+0xe0/0xe0 [ 171.976805][ C1] ret_from_fork+0x24/0x30 [ 171.981226][ C1] NMI backtrace for cpu 1 [ 171.985546][ C1] CPU: 1 PID: 8351 Comm: rsyslogd Not tainted 5.5.0-rc5-syzkaller #0 [ 171.993625][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.003694][ C1] Call Trace: [ 172.006981][ C1] [ 172.009836][ C1] dump_stack+0x1fb/0x318 [ 172.014173][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 172.019011][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 172.025157][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 172.031214][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 172.037188][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 172.043080][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 172.048189][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 172.053388][ C1] ? trace_hardirqs_off+0x74/0x80 [ 172.058504][ C1] update_process_times+0x12d/0x180 [ 172.064655][ C1] tick_sched_timer+0x263/0x420 [ 172.069509][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 172.075092][ C1] __hrtimer_run_queues+0x403/0x840 [ 172.080322][ C1] hrtimer_interrupt+0x38c/0xda0 [ 172.085279][ C1] ? debug_smp_processor_id+0x9/0x20 [ 172.090580][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 172.096130][ C1] apic_timer_interrupt+0xf/0x20 [ 172.101065][ C1] [ 172.104000][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 172.110061][ C1] Code: 66 2e 0f 1f 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 [ 172.129654][ C1] RSP: 0018:ffffc90001be7a50 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 172.138052][ C1] RAX: 1ffff110127e82e1 RBX: ffffea00027cf700 RCX: ffff88808c2065c0 [ 172.146030][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00027cf700 [ 172.154007][ C1] RBP: ffffc90001be7a90 R08: 000000000003a728 R09: ffffed101477be81 [ 172.161975][ C1] R10: ffffed101477be81 R11: 0000000000000000 R12: ffff88809fec9ca0 [ 172.169937][ C1] R13: dffffc0000000000 R14: 1ffff11013fd9394 R15: ffff8880a3bdf3f8 [ 172.177928][ C1] ? free_thread_stack+0x124/0x590 [ 172.183038][ C1] put_task_stack+0xa3/0x130 [ 172.187639][ C1] finish_task_switch+0x3f1/0x550 [ 172.192673][ C1] __schedule+0x9a8/0xcc0 [ 172.197017][ C1] schedule+0x181/0x210 [ 172.201168][ C1] do_syslog+0xdb0/0x1770 [ 172.205513][ C1] ? init_wait_entry+0xe0/0xe0 [ 172.210276][ C1] kmsg_read+0x94/0xd0 [ 172.214332][ C1] ? mmap_vmcore_fault+0x10/0x10 [ 172.219261][ C1] proc_reg_read+0x1e2/0x2d0 [ 172.223851][ C1] ? proc_reg_llseek+0x2c0/0x2c0 [ 172.228956][ C1] __vfs_read+0xb8/0x730 [ 172.233194][ C1] ? security_file_permission+0x23c/0x350 [ 172.238914][ C1] ? rw_verify_area+0x1c2/0x360 [ 172.243756][ C1] vfs_read+0x1dd/0x420 [ 172.247904][ C1] ksys_read+0x117/0x220 [ 172.252141][ C1] __x64_sys_read+0x7b/0x90 [ 172.256648][ C1] do_syscall_64+0xf7/0x1c0 [ 172.261143][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.267021][ C1] RIP: 0033:0x7ff10c5f41fd [ 172.271429][ C1] Code: d1 20 00 00 75 10 b8 00 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e fa ff ff 48 89 04 24 b8 00 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 a7 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 172.291024][ C1] RSP: 002b:00007ff109b93e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 172.299426][ C1] RAX: ffffffffffffffda RBX: 00000000014ad650 RCX: 00007ff10c5f41fd [ 172.307408][ C1] RDX: 0000000000000fff RSI: 00007ff10b3c85a0 RDI: 0000000000000004 [ 172.315394][ C1] RBP: 0000000000000000 R08: 0000000001498260 R09: 0000000004000001 [ 172.323367][ C1] R10: 0000000000000001 R11: 0000000000000293 R12: 000000000065e420 [ 172.331352][ C1] R13: 00007ff109b949c0 R14: 00007ff10cc39040 R15: 0000000000000003