[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 49.588224][ T27] audit: type=1800 audit(1578454392.496:25): pid=8317 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 49.609613][ T27] audit: type=1800 audit(1578454392.496:26): pid=8317 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 49.629529][ T27] audit: type=1800 audit(1578454392.506:27): pid=8317 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 '10.128.0.230' (ECDSA) to the list of known hosts. 2020/01/08 03:33:24 fuzzer started 2020/01/08 03:33:25 dialing manager at 10.128.0.26:35703 2020/01/08 03:33:25 syscalls: 2824 2020/01/08 03:33:25 code coverage: enabled 2020/01/08 03:33:25 comparison tracing: enabled 2020/01/08 03:33:25 extra coverage: enabled 2020/01/08 03:33:25 setuid sandbox: enabled 2020/01/08 03:33:25 namespace sandbox: enabled 2020/01/08 03:33:25 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:33:25 fault injection: enabled 2020/01/08 03:33:25 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:33:25 net packet injection: enabled 2020/01/08 03:33:25 net device setup: enabled 2020/01/08 03:33:25 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:33:25 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:33:26 executing program 0: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'\x00', 0x7132}) ioctl$TUNSETOFFLOAD(r0, 0x400454d0, 0x0) 03:33:26 executing program 1: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000100)='/dev/uinput\x00', 0x0, 0x0) ioctl$UI_SET_PROPBIT(r0, 0x4004556e, 0xffffffffffffffff) syzkaller login: [ 63.710731][ T8484] IPVS: ftp: loaded support on port[0] = 21 [ 63.854796][ T8484] chnl_net:caif_netlink_parms(): no params data found [ 63.899527][ T8484] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.908832][ T8484] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.917811][ T8484] device bridge_slave_0 entered promiscuous mode [ 63.928643][ T8484] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.936168][ T8484] bridge0: port 2(bridge_slave_1) entered disabled state 03:33:26 executing program 2: r0 = syz_open_dev$video(&(0x7f0000000080)='/dev/video#\x00', 0xd, 0x0) ioctl$VIDIOC_TRY_FMT(r0, 0xc0d05640, &(0x7f00000002c0)={0x3, @pix={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}}) [ 63.945702][ T8484] device bridge_slave_1 entered promiscuous mode [ 63.964103][ T8487] IPVS: ftp: loaded support on port[0] = 21 [ 63.975086][ T8484] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.987569][ T8484] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.025986][ T8484] team0: Port device team_slave_0 added [ 64.055002][ T8484] team0: Port device team_slave_1 added [ 64.166486][ T8484] device hsr_slave_0 entered promiscuous mode 03:33:27 executing program 3: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000080)={&(0x7f0000000000)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x0, 0x0, 0x2}}, 0x0, 0x1a}, 0x20) r1 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000100)='cgroup.controllers\x00', 0x2761, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x40286608, 0x20000002) [ 64.234059][ T8484] device hsr_slave_1 entered promiscuous mode [ 64.327160][ T8489] IPVS: ftp: loaded support on port[0] = 21 03:33:27 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000080)='TIPCv2\x00') sendmsg$TIPC_NL_BEARER_ENABLE(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000005c0)={0x54, r1, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_BEARER={0x40, 0x1, [@TIPC_NLA_BEARER_NAME={0x10, 0x1, @udp='udp:syz0\x00'}, @TIPC_NLA_BEARER_UDP_OPTS={0x2c, 0x4, {{0x14, 0x1, @in={0x2, 0x0, @multicast1=0xac14140d}}, {0x14, 0x2, @in={0x2, 0x0, @multicast1}}}}]}]}, 0x54}}, 0x0) [ 64.478769][ T8487] chnl_net:caif_netlink_parms(): no params data found [ 64.492133][ T8492] IPVS: ftp: loaded support on port[0] = 21 [ 64.580060][ T8484] netdevsim netdevsim0 netdevsim0: renamed from eth0 03:33:27 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_TCP_REPAIR(r0, 0x6, 0x13, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f00000001c0)={@in6={{0xa, 0x0, 0x0, @ipv4={[], [], @dev}}}, 0x0, 0x1}, 0xd8) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000440)={@in6={{0xa, 0x0, 0x0, @mcast1}}, 0x0, 0x1}, 0xd8) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x0, 0x0, @loopback}, 0x1c) [ 64.725256][ T8484] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.790335][ T8484] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.846531][ T8484] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.916264][ T8494] IPVS: ftp: loaded support on port[0] = 21 [ 64.928963][ T8496] IPVS: ftp: loaded support on port[0] = 21 [ 64.978150][ T8487] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.986757][ T8487] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.994919][ T8487] device bridge_slave_0 entered promiscuous mode [ 65.028304][ T8487] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.035929][ T8487] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.043854][ T8487] device bridge_slave_1 entered promiscuous mode [ 65.078852][ T8487] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.090805][ T8487] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.103548][ T8489] chnl_net:caif_netlink_parms(): no params data found [ 65.119433][ T8492] chnl_net:caif_netlink_parms(): no params data found [ 65.139275][ T8487] team0: Port device team_slave_0 added [ 65.163346][ T8487] team0: Port device team_slave_1 added [ 65.255319][ T8487] device hsr_slave_0 entered promiscuous mode [ 65.303062][ T8487] device hsr_slave_1 entered promiscuous mode [ 65.352751][ T8487] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.360623][ T8487] Cannot create hsr debugfs directory [ 65.374934][ T8489] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.381998][ T8489] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.391402][ T8489] device bridge_slave_0 entered promiscuous mode [ 65.400464][ T8489] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.407709][ T8489] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.415702][ T8489] device bridge_slave_1 entered promiscuous mode [ 65.448721][ T8489] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.486349][ T8489] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.510083][ T8489] team0: Port device team_slave_0 added [ 65.544710][ T8489] team0: Port device team_slave_1 added [ 65.553263][ T8492] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.560315][ T8492] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.568366][ T8492] device bridge_slave_0 entered promiscuous mode [ 65.579633][ T8494] chnl_net:caif_netlink_parms(): no params data found [ 65.644581][ T8489] device hsr_slave_0 entered promiscuous mode [ 65.693015][ T8489] device hsr_slave_1 entered promiscuous mode [ 65.732783][ T8489] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.740650][ T8489] Cannot create hsr debugfs directory [ 65.753501][ T8492] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.753528][ T8492] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.768834][ T8492] device bridge_slave_1 entered promiscuous mode [ 65.798879][ T8484] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.844874][ T8492] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.856769][ T8492] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.879049][ T8494] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.886416][ T8494] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.894471][ T8494] device bridge_slave_0 entered promiscuous mode [ 65.905213][ T8492] team0: Port device team_slave_0 added [ 65.924915][ T8494] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.932035][ T8494] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.940179][ T8494] device bridge_slave_1 entered promiscuous mode [ 65.948874][ T8492] team0: Port device team_slave_1 added [ 66.002548][ T2865] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.010885][ T2865] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.021738][ T8484] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.037769][ T8496] chnl_net:caif_netlink_parms(): no params data found [ 66.053784][ T8494] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.076464][ T8494] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.113604][ T8494] team0: Port device team_slave_0 added [ 66.154354][ T8492] device hsr_slave_0 entered promiscuous mode [ 66.192873][ T8492] device hsr_slave_1 entered promiscuous mode [ 66.252691][ T8492] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.262298][ T8492] Cannot create hsr debugfs directory [ 66.277210][ T8487] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.324940][ T8487] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.375659][ T8494] team0: Port device team_slave_1 added [ 66.381489][ T8487] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.454321][ T8487] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.487346][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.496298][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.505132][ T2863] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.512409][ T2863] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.540122][ T8489] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.595779][ T8489] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.655879][ T8489] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.734106][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.743146][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.752735][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.761014][ T2863] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.768178][ T2863] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.835478][ T8494] device hsr_slave_0 entered promiscuous mode [ 66.883784][ T8494] device hsr_slave_1 entered promiscuous mode [ 66.943525][ T8494] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.951236][ T8494] Cannot create hsr debugfs directory [ 66.968818][ T8489] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.022955][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.031488][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.040794][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.049302][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.057979][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.066736][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.075369][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.103921][ T8496] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.111158][ T8496] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.119405][ T8496] device bridge_slave_0 entered promiscuous mode [ 67.127852][ T8496] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.135453][ T8496] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.143395][ T8496] device bridge_slave_1 entered promiscuous mode [ 67.156329][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.164628][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.201397][ T8496] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.237180][ T8484] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.249884][ T8484] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.257828][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.267737][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.285192][ T8496] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.339249][ T8496] team0: Port device team_slave_0 added [ 67.350139][ T8496] team0: Port device team_slave_1 added [ 67.434648][ T8496] device hsr_slave_0 entered promiscuous mode [ 67.484143][ T8496] device hsr_slave_1 entered promiscuous mode [ 67.533039][ T8496] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.541938][ T8496] Cannot create hsr debugfs directory [ 67.550167][ T8487] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.564480][ T8492] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.631426][ T8484] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.645644][ T8492] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.677070][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.685556][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.693685][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.701232][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.727596][ T8487] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.740547][ T8492] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.784630][ T8492] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 67.831317][ T8489] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.852771][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.861350][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.870691][ T2863] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.877921][ T2863] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.885807][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.895106][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.903744][ T2863] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.910882][ T2863] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.919012][ T2865] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.949244][ T8494] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.013047][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.021592][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.030518][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.039471][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.048493][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.057270][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.067611][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.083014][ T8494] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.129655][ T8494] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.196451][ T8489] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.208195][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.216505][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.225082][ T8494] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.292934][ T8496] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.324782][ T8496] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.364556][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.373647][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.382105][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.391358][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.399814][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.409258][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.418133][ T2705] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.426210][ T2705] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.435505][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.444116][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.452366][ T2705] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.459469][ T2705] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.466982][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.477043][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.494953][ T8496] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.537311][ T8487] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.549375][ T8487] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.564218][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.573651][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.581834][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.590652][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.599301][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.607787][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.616481][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.624903][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.633864][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.643068][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.650689][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.658444][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.674726][ T8496] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 68.737838][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.746386][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.755060][ T8484] device veth0_vlan entered promiscuous mode [ 68.774735][ T8492] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.796657][ T8489] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.808159][ T8489] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.823747][ T8484] device veth1_vlan entered promiscuous mode [ 68.838085][ T8487] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.845949][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.855859][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.864327][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.872061][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.880499][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.889060][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.897479][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.908667][ T8492] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.932165][ T8489] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.967646][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.983962][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.992035][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.009300][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.018398][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.030070][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.038635][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.047560][ T2863] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.054752][ T2863] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.087979][ T2865] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.096234][ T2865] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.105251][ T2865] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.162776][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.171416][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.181375][ T2734] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.188585][ T2734] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.196517][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.205228][ T2734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 174.162562][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 174.169854][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P8502 [ 174.177327][ C0] (detected by 0, t=10503 jiffies, g=6629, q=667) [ 174.183829][ C0] syz-executor.0 R running task 28336 8502 8484 0x0000400e [ 174.191717][ C0] Call Trace: [ 174.195045][ C0] [ 174.198427][ C0] sched_show_task+0x40f/0x560 [ 174.203187][ C0] rcu_sched_clock_irq+0x16b1/0x1ad0 [ 174.208483][ C0] update_process_times+0x12d/0x180 [ 174.213761][ C0] tick_sched_timer+0x263/0x420 [ 174.218610][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 174.224155][ C0] __hrtimer_run_queues+0x403/0x840 [ 174.229456][ C0] hrtimer_interrupt+0x38c/0xda0 [ 174.234419][ C0] ? debug_smp_processor_id+0x9/0x20 [ 174.239717][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 174.245263][ C0] apic_timer_interrupt+0xf/0x20 [ 174.250197][ C0] [ 174.253126][ C0] RIP: 0010:__memcg_kmem_uncharge+0x1/0x1a0 [ 174.259019][ C0] Code: eb 1b 83 3d 20 bf ac 07 00 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 8c 85 ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 50 89 f3 49 89 fc 48 b8 00 00 [ 174.278789][ C0] RSP: 0018:ffffc900026174c0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 174.287185][ C0] RAX: ffffffff81489244 RBX: ffffea00024697c0 RCX: ffff888091932380 [ 174.295144][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00024697c0 [ 174.303278][ C0] RBP: ffffc90002617508 R08: 000000000003a728 R09: ffffed1011cdfad1 [ 174.311257][ C0] R10: ffffed1011cdfad1 R11: 0000000000000000 R12: ffff888094cf21a0 [ 174.319242][ C0] R13: dffffc0000000000 R14: 1ffff1101299e434 R15: ffff88808e6fd678 [ 174.327227][ C0] ? free_thread_stack+0x124/0x590 [ 174.332336][ C0] ? free_thread_stack+0x12e/0x590 [ 174.337572][ C0] put_task_stack+0xa3/0x130 [ 174.342162][ C0] finish_task_switch+0x3f1/0x550 [ 174.347313][ C0] __schedule+0x9a8/0xcc0 [ 174.351648][ C0] ? ___preempt_schedule_notrace+0x16/0x27 [ 174.357453][ C0] preempt_schedule_notrace+0xdb/0x120 [ 174.362909][ C0] ___preempt_schedule_notrace+0x16/0x27 [ 174.368535][ C0] ? rcu_is_watching+0x57/0xa0 [ 174.373287][ C0] rcu_is_watching+0x82/0xa0 [ 174.377869][ C0] memcg_kmem_get_cache+0x2e8/0x570 [ 174.383053][ C0] ? __should_failslab+0x11a/0x160 [ 174.388176][ C0] ? proc_alloc_inode+0x1f/0xe0 [ 174.393023][ C0] kmem_cache_alloc+0x86/0x2e0 [ 174.397778][ C0] ? init_once+0x20/0x20 [ 174.402012][ C0] proc_alloc_inode+0x1f/0xe0 [ 174.406677][ C0] ? init_once+0x20/0x20 [ 174.410944][ C0] new_inode_pseudo+0x68/0x240 [ 174.415708][ C0] new_inode+0x28/0x1c0 [ 174.419880][ C0] proc_pid_make_inode+0x27/0x1d0 [ 174.424991][ C0] proc_pid_instantiate+0x4f/0x1a0 [ 174.430188][ C0] proc_pid_lookup+0x21f/0x300 [ 174.434944][ C0] proc_root_lookup+0x22/0x50 [ 174.439612][ C0] __lookup_slow+0x285/0x380 [ 174.444298][ C0] walk_component+0x2d2/0x5f0 [ 174.448964][ C0] ? inode_permission+0xe0/0x520 [ 174.453902][ C0] link_path_walk+0x75b/0x1410 [ 174.458671][ C0] path_openat+0x139/0x4240 [ 174.463168][ C0] ? __kasan_kmalloc+0x178/0x1b0 [ 174.468111][ C0] ? quarantine_put+0xb7/0x1f0 [ 174.473330][ C0] do_filp_open+0x192/0x3d0 [ 174.477831][ C0] ? noop_direct_IO+0x20/0x20 [ 174.482511][ C0] do_sys_open+0x29f/0x560 [ 174.486922][ C0] __x64_sys_open+0x87/0x90 [ 174.491506][ C0] do_syscall_64+0xf7/0x1c0 [ 174.496101][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.502072][ C0] RIP: 0033:0x414cc0 [ 174.505958][ C0] Code: 05 48 3d 01 f0 ff ff 0f 83 2d 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d ad 37 66 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 0a fa ff ff [ 174.525552][ C0] RSP: 002b:00007ffd76a5d878 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 174.534130][ C0] RAX: ffffffffffffffda RBX: 00007ffd76a5d8a4 RCX: 0000000000414cc0 [ 174.542270][ C0] RDX: 00007ffd76a5d8aa RSI: 0000000000080001 RDI: 00000000004c0a49 [ 174.550407][ C0] RBP: 00007ffd76a5d8a0 R08: 0000000000000000 R09: 0000000000000004 [ 174.558371][ C0] R10: 0000000000000075 R11: 0000000000000246 R12: 00000000004c0a49 [ 174.566420][ C0] R13: 00007ffd76a5ddc0 R14: 0000000000000000 R15: 00007ffd76a5ddd0 [ 174.574408][ C0] rcu: rcu_preempt kthread starved for 10541 jiffies! g6629 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 174.585676][ C0] rcu: RCU grace-period kthread stack dump: [ 174.591552][ C0] rcu_preempt I29032 10 2 0x80004000 [ 174.597909][ C0] Call Trace: [ 174.601209][ C0] __schedule+0x9a0/0xcc0 [ 174.605549][ C0] schedule+0x181/0x210 [ 174.609843][ C0] schedule_timeout+0x14f/0x240 [ 174.614705][ C0] ? run_local_timers+0x120/0x120 [ 174.619730][ C0] rcu_gp_kthread+0xed8/0x1770 [ 174.624494][ C0] kthread+0x332/0x350 [ 174.628549][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 174.633651][ C0] ? kthread_blkcg+0xe0/0xe0 [ 174.638235][ C0] ret_from_fork+0x24/0x30