[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 48.584922][ T27] audit: type=1800 audit(1578455960.014:25): pid=8327 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 48.604727][ T27] audit: type=1800 audit(1578455960.014:26): pid=8327 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 48.655358][ T27] audit: type=1800 audit(1578455960.014:27): pid=8327 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 '10.128.0.202' (ECDSA) to the list of known hosts. 2020/01/08 03:59:32 fuzzer started 2020/01/08 03:59:34 dialing manager at 10.128.0.26:35703 2020/01/08 03:59:34 syscalls: 2824 2020/01/08 03:59:34 code coverage: enabled 2020/01/08 03:59:34 comparison tracing: enabled 2020/01/08 03:59:34 extra coverage: enabled 2020/01/08 03:59:34 setuid sandbox: enabled 2020/01/08 03:59:34 namespace sandbox: enabled 2020/01/08 03:59:34 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:59:34 fault injection: enabled 2020/01/08 03:59:34 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:59:34 net packet injection: enabled 2020/01/08 03:59:34 net device setup: enabled 2020/01/08 03:59:34 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:59:34 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:59:35 executing program 0: mknod(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) clone(0x1240100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount$9p_xen(0x0, &(0x7f0000000080)='./bus\x00', &(0x7f0000000180)='9p\x00', 0x0, &(0x7f0000000140)={'trans=xen,'}) 03:59:35 executing program 1: ioctl$PPPIOCSNPMODE(0xffffffffffffffff, 0x4008744b, 0x0) prctl$PR_SET_FP_MODE(0x2d, 0x0) getsockname$packet(0xffffffffffffffff, 0x0, &(0x7f00000001c0)) keyctl$set_reqkey_keyring(0xe, 0xfffffffffffffffa) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x27f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) dup(0xffffffffffffffff) ioctl$PIO_CMAP(0xffffffffffffffff, 0x4b71, 0x0) openat$ion(0xffffffffffffff9c, 0x0, 0x800, 0x0) clone(0x3000000a0160101, 0x0, 0x0, 0x0, 0x0) syncfs(0xffffffffffffffff) mkdir(&(0x7f00000000c0)='./file1\x00', 0x0) poll(0x0, 0x0, 0xffffffff) perf_event_open(&(0x7f0000000140)={0x2, 0x8b, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x412c}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x20886100, 0x0, 0x0, 0x0, &(0x7f00000002c0)="d353ff072d68b2e4dc05000000b3d94c22") socket(0x10, 0x0, 0xc) syzkaller login: [ 64.125583][ T8494] IPVS: ftp: loaded support on port[0] = 21 [ 64.256042][ T8496] IPVS: ftp: loaded support on port[0] = 21 03:59:35 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setresuid(0x0, r1, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x1, 0x4, &(0x7f0000000400)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x69, 0x11, 0x1a001000000}, [@ldst={0x6, 0x3}]}, &(0x7f0000000080)='GPL\x00', 0x7, 0x3f7, &(0x7f000000cf3d)=""/195}, 0x48) [ 64.310558][ T8494] chnl_net:caif_netlink_parms(): no params data found [ 64.431523][ T8494] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.439847][ T8494] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.449194][ T8494] device bridge_slave_0 entered promiscuous mode [ 64.472821][ T8496] chnl_net:caif_netlink_parms(): no params data found [ 64.491512][ T8494] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.513660][ T8494] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.521196][ T8494] device bridge_slave_1 entered promiscuous mode [ 64.540725][ T8500] IPVS: ftp: loaded support on port[0] = 21 03:59:36 executing program 3: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup3(r1, r0, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x200005, 0x0, 0x0, 0x0, 0x0, 0x1, 0x3e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = perf_event_open(&(0x7f000001d000)={0x1, 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x0, 0x11, r4, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r3, 0x2405, r4) syz_open_procfs(0x0, &(0x7f0000272000)) [ 64.576945][ T8494] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.616098][ T8494] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.673655][ T8496] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.680756][ T8496] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.704222][ T8496] device bridge_slave_0 entered promiscuous mode [ 64.731298][ T8496] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.755349][ T8496] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.763536][ T8496] device bridge_slave_1 entered promiscuous mode [ 64.791496][ T8494] team0: Port device team_slave_0 added [ 64.808869][ T8496] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.828071][ T8494] team0: Port device team_slave_1 added [ 64.837413][ T8502] IPVS: ftp: loaded support on port[0] = 21 [ 64.847600][ T8496] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 03:59:36 executing program 4: bpf$PROG_LOAD(0x5, &(0x7f00000054c0)={0x3, 0x16, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], &(0x7f0000000100)='GPL\x00'}, 0x48) [ 64.946799][ T8494] device hsr_slave_0 entered promiscuous mode [ 64.983620][ T8494] device hsr_slave_1 entered promiscuous mode [ 65.062421][ T8496] team0: Port device team_slave_0 added [ 65.105298][ T8496] team0: Port device team_slave_1 added [ 65.119902][ T8504] IPVS: ftp: loaded support on port[0] = 21 03:59:36 executing program 5: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000200)='./cgroup/syz0\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000000)='cgroup.max.depth\x00', 0x2, 0x0) r2 = dup(r1) write$cgroup_int(r2, &(0x7f0000000040)=0xfffffffffffffffc, 0xe) [ 65.196802][ T8496] device hsr_slave_0 entered promiscuous mode [ 65.253739][ T8496] device hsr_slave_1 entered promiscuous mode [ 65.303730][ T8496] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.311508][ T8496] Cannot create hsr debugfs directory [ 65.348376][ T8500] chnl_net:caif_netlink_parms(): no params data found [ 65.349567][ T8507] IPVS: ftp: loaded support on port[0] = 21 [ 65.474025][ T8502] chnl_net:caif_netlink_parms(): no params data found [ 65.545300][ T8500] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.552400][ T8500] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.564422][ T8500] device bridge_slave_0 entered promiscuous mode [ 65.580142][ T8496] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 65.649809][ T8496] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 65.724955][ T8500] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.732062][ T8500] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.740290][ T8500] device bridge_slave_1 entered promiscuous mode [ 65.757499][ T8494] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.816891][ T8494] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.865472][ T8496] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 65.919350][ T8496] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.980270][ T8494] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.047374][ T8494] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.114720][ T8500] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.127896][ T8500] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.148389][ T8502] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.155937][ T8502] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.163803][ T8502] device bridge_slave_0 entered promiscuous mode [ 66.218610][ T8500] team0: Port device team_slave_0 added [ 66.227412][ T8500] team0: Port device team_slave_1 added [ 66.242387][ T8507] chnl_net:caif_netlink_parms(): no params data found [ 66.252013][ T8502] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.261551][ T8502] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.269232][ T8502] device bridge_slave_1 entered promiscuous mode [ 66.289579][ T8502] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.301889][ T8502] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.355794][ T8500] device hsr_slave_0 entered promiscuous mode [ 66.393704][ T8500] device hsr_slave_1 entered promiscuous mode [ 66.433493][ T8500] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.441115][ T8500] Cannot create hsr debugfs directory [ 66.488096][ T8504] chnl_net:caif_netlink_parms(): no params data found [ 66.500738][ T8502] team0: Port device team_slave_0 added [ 66.514460][ T8502] team0: Port device team_slave_1 added [ 66.595144][ T8502] device hsr_slave_0 entered promiscuous mode [ 66.645129][ T8502] device hsr_slave_1 entered promiscuous mode [ 66.693445][ T8502] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.701171][ T8502] Cannot create hsr debugfs directory [ 66.734502][ T8507] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.741597][ T8507] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.750365][ T8507] device bridge_slave_0 entered promiscuous mode [ 66.776012][ T8504] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.783107][ T8504] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.793253][ T8504] device bridge_slave_0 entered promiscuous mode [ 66.804107][ T8507] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.811168][ T8507] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.819208][ T8507] device bridge_slave_1 entered promiscuous mode [ 66.839749][ T8507] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.858893][ T8504] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.870922][ T8504] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.878649][ T8504] device bridge_slave_1 entered promiscuous mode [ 66.892659][ T8507] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.911101][ T8500] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.987829][ T8500] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.045898][ T8504] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.061093][ T8504] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.081983][ T8504] team0: Port device team_slave_0 added [ 67.094231][ T8500] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.127431][ T8507] team0: Port device team_slave_0 added [ 67.139633][ T8494] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.149127][ T8504] team0: Port device team_slave_1 added [ 67.158527][ T8496] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.171044][ T8500] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.225539][ T8507] team0: Port device team_slave_1 added [ 67.296430][ T8504] device hsr_slave_0 entered promiscuous mode [ 67.333653][ T8504] device hsr_slave_1 entered promiscuous mode [ 67.373448][ T8504] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.381153][ T8504] Cannot create hsr debugfs directory [ 67.436579][ T8507] device hsr_slave_0 entered promiscuous mode [ 67.483781][ T8507] device hsr_slave_1 entered promiscuous mode [ 67.533812][ T8507] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.541404][ T8507] Cannot create hsr debugfs directory [ 67.569278][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.578157][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.586116][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.593933][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.619085][ T8494] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.644175][ T8496] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.651032][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.659735][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.668373][ T2986] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.675606][ T2986] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.683701][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.692166][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.700858][ T2986] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.707969][ T2986] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.745597][ T8502] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.775690][ T3020] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.786143][ T3020] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.795040][ T3020] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.803637][ T3020] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.812126][ T3020] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.821581][ T3020] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.828675][ T3020] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.837044][ T3020] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.868765][ T8502] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.899748][ T8502] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.965622][ T8502] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.027589][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.036918][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.046290][ T2986] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.053391][ T2986] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.061042][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.071163][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.079916][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.089042][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.104867][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.114399][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.161477][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.174233][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.182632][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.192103][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.200631][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.208842][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.217689][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.238844][ T8494] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.250805][ T8504] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.284709][ T8507] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.325245][ T8507] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.409329][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.426029][ T8500] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.435785][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.447532][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.456254][ T8504] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.505794][ T8504] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.535344][ T8507] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.585243][ T8507] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 68.652650][ T8500] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.664139][ T8504] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.695843][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.704173][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.712435][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.720403][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.728425][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.737052][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.768894][ T8494] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.784765][ T8496] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.794385][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.801824][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.809471][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.818485][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.827986][ T2886] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.835151][ T2886] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.842862][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.851831][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.860299][ T2886] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.867434][ T2886] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.877050][ T3020] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.889999][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.899634][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.934133][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.942637][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.952759][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.961617][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.970423][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.983762][ T8502] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.001121][ T8500] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.012250][ T8500] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.031324][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.040613][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.049476][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.057969][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.066360][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.073858][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.083891][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.108069][ T8496] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.122494][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.131598][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.151199][ T8502] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.168410][ T8500] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.179607][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.187917][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.198345][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.207167][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.248318][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.258310][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.267968][ T2986] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.275127][ T2986] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.282730][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.291714][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.300085][ T2986] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.307134][ T2986] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.315656][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.324748][ T2986] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.340326][ T8507] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.358974][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.370956][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.379526][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.388944][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.397641][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.406513][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.415227][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.424556][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.432166][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.439815][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.463091][ T8502] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.475589][ T8502] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.489749][ T8494] device veth0_vlan entered promiscuous mode [ 69.504985][ T8504] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.512366][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.524036][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.532279][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.540842][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.549250][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.557564][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.579893][ T8494] device veth1_vlan entered promiscuous mode [ 69.595186][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.603042][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.612270][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.620314][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.628926][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.637978][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.645867][ T2886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.658404][ T8504] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.677651][ T8507] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.685666][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.694726][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.702293][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.710798][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.722129][ T8496] device veth0_vlan entered promiscuous mode [ 69.758720][ T8502] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.774139][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.781756][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.790745][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.800171][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.809174][ T2906] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.816448][ T2906] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.824889][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.833928][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.842335][ T2906] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.849459][ T2906] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.857533][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.866440][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.874798][ T2906] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.881843][ T2906] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.889457][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.897218][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.904714][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.913357][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.921640][ T2906] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.928725][ T2906] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.936642][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.950719][ T8496] device veth1_vlan entered promiscuous mode [ 69.971086][ T8500] device veth0_vlan entered promiscuous mode [ 69.985918][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.997166][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.005837][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.022445][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.037354][ T8513] 9pnet: Could not find request transport: xen [ 70.041007][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 175.043283][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.050205][ C1] rcu: 1-...!: (10499 ticks this GP) idle=a12/1/0x4000000000000002 softirq=12736/12736 fqs=0 [ 175.060721][ C1] (t=10500 jiffies g=6977 q=48) [ 175.065655][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g6977 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 175.076881][ C1] rcu: RCU grace-period kthread stack dump: [ 175.082767][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 175.090672][ C1] Call Trace: [ 175.093968][ C1] __schedule+0x9a0/0xcc0 [ 175.098309][ C1] schedule+0x181/0x210 [ 175.102460][ C1] schedule_timeout+0x14f/0x240 [ 175.107305][ C1] ? run_local_timers+0x120/0x120 [ 175.112324][ C1] rcu_gp_kthread+0xed8/0x1770 [ 175.117088][ C1] kthread+0x332/0x350 [ 175.121143][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 175.126245][ C1] ? kthread_blkcg+0xe0/0xe0 [ 175.130830][ C1] ret_from_fork+0x24/0x30 [ 175.135250][ C1] NMI backtrace for cpu 1 [ 175.139569][ C1] CPU: 1 PID: 8513 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 175.148140][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.158181][ C1] Call Trace: [ 175.161453][ C1] [ 175.164297][ C1] dump_stack+0x1fb/0x318 [ 175.168617][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.173455][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.179598][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.185652][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.191621][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.197507][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.202619][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.207984][ C1] ? trace_hardirqs_off+0x74/0x80 [ 175.213006][ C1] update_process_times+0x12d/0x180 [ 175.218197][ C1] tick_sched_timer+0x263/0x420 [ 175.223034][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.228569][ C1] __hrtimer_run_queues+0x403/0x840 [ 175.233770][ C1] hrtimer_interrupt+0x38c/0xda0 [ 175.238719][ C1] ? debug_smp_processor_id+0x9/0x20 [ 175.244006][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 175.249540][ C1] apic_timer_interrupt+0xf/0x20 [ 175.254474][ C1] [ 175.257404][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x31/0x50 [ 175.263549][ C1] Code: 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 <48> 8d 7e 01 8b 89 84 13 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 [ 175.283143][ C1] RSP: 0018:ffffc90001fc7c38 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.291543][ C1] RAX: ffffffff814896c6 RBX: ffffea0002833640 RCX: ffff88808f1fa040 [ 175.299505][ C1] RDX: ffffc900020c9000 RSI: 000000000003ffff RDI: ffffea0002833640 [ 175.307464][ C1] RBP: ffffc90001fc7c60 R08: dffffc0000000000 R09: fffffbfff12c962d [ 175.315428][ C1] R10: fffffbfff12c962d R11: 0000000000000000 R12: ffff8880a8641320 [ 175.323477][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88809775b4f8 [ 175.331615][ C1] ? mod_memcg_page_state+0x16/0x190 [ 175.336903][ C1] ? free_thread_stack+0x124/0x590 [ 175.342020][ C1] ? mod_memcg_page_state+0x16/0x190 [ 175.347301][ C1] free_thread_stack+0x168/0x590 [ 175.352233][ C1] put_task_stack+0xa3/0x130 [ 175.356819][ C1] finish_task_switch+0x3f1/0x550 [ 175.361863][ C1] __schedule+0x9a8/0xcc0 [ 175.366197][ C1] ? ___preempt_schedule+0x16/0x18 [ 175.371301][ C1] preempt_schedule+0xdb/0x120 [ 175.376059][ C1] ___preempt_schedule+0x16/0x18 [ 175.380990][ C1] _raw_spin_unlock_irq+0x77/0x80 [ 175.386004][ C1] do_group_exit+0x2a8/0x2b0 [ 175.390588][ C1] __do_sys_exit_group+0x17/0x20 [ 175.395602][ C1] __se_sys_exit_group+0x14/0x20 [ 175.400531][ C1] __x64_sys_exit_group+0x3b/0x40 [ 175.405547][ C1] do_syscall_64+0xf7/0x1c0 [ 175.410059][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.415937][ C1] RIP: 0033:0x45af49 [ 175.419843][ C1] 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 [ 175.439439][ C1] RSP: 002b:00007fea5b17c688 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 175.447839][ C1] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 000000000045af49 [ 175.455799][ C1] RDX: 000000000045af49 RSI: 00007fea5b17c6c0 RDI: 000000000000000b [ 175.463756][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 175.471737][ C1] R10: 0000000020000140 R11: 0000000000000246 R12: 00007fea5b17d6d4 [ 175.479695][ C1] R13: 00000000004c8533 R14: 00000000004e0738 R15: 00000000ffffffff