[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 51.046822][ T27] audit: type=1800 audit(1578478415.585:25): pid=8353 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.066900][ T27] audit: type=1800 audit(1578478415.585:26): pid=8353 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 51.102630][ T27] audit: type=1800 audit(1578478415.585:27): pid=8353 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 '10.128.0.65' (ECDSA) to the list of known hosts. 2020/01/08 10:13:46 fuzzer started 2020/01/08 10:13:48 dialing manager at 10.128.0.26:35703 2020/01/08 10:13:48 syscalls: 2824 2020/01/08 10:13:48 code coverage: enabled 2020/01/08 10:13:48 comparison tracing: enabled 2020/01/08 10:13:48 extra coverage: enabled 2020/01/08 10:13:48 setuid sandbox: enabled 2020/01/08 10:13:48 namespace sandbox: enabled 2020/01/08 10:13:48 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 10:13:48 fault injection: enabled 2020/01/08 10:13:48 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 10:13:48 net packet injection: enabled 2020/01/08 10:13:48 net device setup: enabled 2020/01/08 10:13:48 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 10:13:48 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:13:49 executing program 0: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 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, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x18, &(0x7f0000d06000), 0x4) 10:13:50 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000000c0)=@newlink={0x50, 0x10, 0xffffff1f, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x30, 0x12, @ip6gre={{0xc, 0x1, 'ip6gre\x00'}, {0x20, 0x2, [@IFLA_GRE_LOCAL={0x14, 0xd, @mcast1}, @gre_common_policy=[@IFLA_GRE_FWMARK={0x8}]]}}}]}, 0x50}}, 0x0) syzkaller login: [ 65.563940][ T8518] IPVS: ftp: loaded support on port[0] = 21 [ 65.714087][ T8521] IPVS: ftp: loaded support on port[0] = 21 [ 65.733707][ T8518] chnl_net:caif_netlink_parms(): no params data found [ 65.821413][ T8518] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.836293][ T8518] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.844290][ T8518] device bridge_slave_0 entered promiscuous mode 10:13:50 executing program 2: syz_mount_image$hfsplus(&(0x7f0000000340)='hfsplus\x00', &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000480)={[{@type={'type', 0x3d, "c811f7cf"}}], [{@smackfsroot={'smackfsroot', 0x3d, '/dev/dsp\x00'}}, {@subj_role={'subj_role', 0x3d, '/dev/dsp\x00'}}]}) [ 65.882819][ T8518] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.892514][ T8518] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.900668][ T8518] device bridge_slave_1 entered promiscuous mode [ 65.940048][ T8521] chnl_net:caif_netlink_parms(): no params data found [ 65.951753][ T8518] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.979685][ T8518] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.021028][ T8518] team0: Port device team_slave_0 added [ 66.028045][ T8521] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.055189][ T8521] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.063076][ T8521] device bridge_slave_0 entered promiscuous mode [ 66.077873][ T8518] team0: Port device team_slave_1 added [ 66.094919][ T8521] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.102073][ T8521] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.125747][ T8521] device bridge_slave_1 entered promiscuous mode 10:13:50 executing program 3: socket$kcm(0x2, 0x200000000000001, 0x0) r0 = socket$kcm(0x2, 0x2, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$sock_attach_bpf(r0, 0x1, 0x3e, &(0x7f00000002c0)=r1, 0x69) sendmsg$inet(r0, &(0x7f0000000240)={&(0x7f00000000c0)={0x2, 0x4e22, @initdev={0xac, 0x1e, 0x0, 0x0}}, 0x10, 0x0, 0x0, &(0x7f0000000040)=[@ip_retopts={{0x1c, 0x0, 0x7, {[@timestamp={0x44, 0xb, 0x8, 0xa, 0x0, [0x0, 0x0]}]}}}], 0x20, 0x5}, 0x0) [ 66.162193][ T8524] IPVS: ftp: loaded support on port[0] = 21 [ 66.209685][ T8518] device hsr_slave_0 entered promiscuous mode [ 66.256896][ T8518] device hsr_slave_1 entered promiscuous mode [ 66.317163][ T8521] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 10:13:50 executing program 4: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1, 0x2}, 0x1c) connect$inet6(r0, &(0x7f0000003a40)={0xa, 0x4e24, 0x0, @ipv4={[], [], @loopback}}, 0x1e) sendmmsg(r0, &(0x7f00000092c0), 0x4ff, 0xbb8) [ 66.361310][ T8521] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.420516][ T8526] IPVS: ftp: loaded support on port[0] = 21 [ 66.443779][ T8521] team0: Port device team_slave_0 added [ 66.500200][ T8521] team0: Port device team_slave_1 added [ 66.605678][ T8518] netdevsim netdevsim0 netdevsim0: renamed from eth0 10:13:51 executing program 5: unshare(0x2000400) r0 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vhost-net\x00', 0x2, 0x0) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000200)='/dev/sequencer2\x00', 0x0, 0x0) tee(r1, r0, 0x100, 0x0) [ 66.707221][ T8521] device hsr_slave_0 entered promiscuous mode [ 66.745206][ T8521] device hsr_slave_1 entered promiscuous mode [ 66.794948][ T8521] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.802680][ T8521] Cannot create hsr debugfs directory [ 66.810915][ T8518] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.858775][ T8518] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.918937][ T8518] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.989284][ T8530] IPVS: ftp: loaded support on port[0] = 21 [ 66.990375][ T8532] IPVS: ftp: loaded support on port[0] = 21 [ 67.011757][ T8524] chnl_net:caif_netlink_parms(): no params data found [ 67.098874][ T8524] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.108499][ T8524] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.116141][ T8524] device bridge_slave_0 entered promiscuous mode [ 67.168810][ T8524] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.176146][ T8524] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.183676][ T8524] device bridge_slave_1 entered promiscuous mode [ 67.232719][ T8524] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.245773][ T8526] chnl_net:caif_netlink_parms(): no params data found [ 67.259322][ T8521] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.311338][ T8524] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.350356][ T8521] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.410808][ T8521] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.457291][ T8521] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.513059][ T8524] team0: Port device team_slave_0 added [ 67.528374][ T8524] team0: Port device team_slave_1 added [ 67.568541][ T8532] chnl_net:caif_netlink_parms(): no params data found [ 67.585685][ T8530] chnl_net:caif_netlink_parms(): no params data found [ 67.612389][ T8526] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.620977][ T8526] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.629310][ T8526] device bridge_slave_0 entered promiscuous mode [ 67.637674][ T8526] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.644895][ T8526] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.652715][ T8526] device bridge_slave_1 entered promiscuous mode [ 67.717702][ T8524] device hsr_slave_0 entered promiscuous mode [ 67.755566][ T8524] device hsr_slave_1 entered promiscuous mode [ 67.795717][ T8524] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.803345][ T8524] Cannot create hsr debugfs directory [ 67.830025][ T8526] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.848406][ T8532] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.855579][ T8532] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.863274][ T8532] device bridge_slave_0 entered promiscuous mode [ 67.887048][ T8526] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.908005][ T8532] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.915728][ T8532] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.923379][ T8532] device bridge_slave_1 entered promiscuous mode [ 67.962348][ T8526] team0: Port device team_slave_0 added [ 67.970052][ T8526] team0: Port device team_slave_1 added [ 67.981176][ T8532] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.994381][ T8532] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.029441][ T8530] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.037397][ T8530] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.045752][ T8530] device bridge_slave_0 entered promiscuous mode [ 68.087446][ T8526] device hsr_slave_0 entered promiscuous mode [ 68.145317][ T8526] device hsr_slave_1 entered promiscuous mode [ 68.214974][ T8526] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.222559][ T8526] Cannot create hsr debugfs directory [ 68.230330][ T8530] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.238264][ T8530] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.246777][ T8530] device bridge_slave_1 entered promiscuous mode [ 68.269696][ T8518] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.310297][ T8530] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.322844][ T8530] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.337763][ T8532] team0: Port device team_slave_0 added [ 68.344488][ T8524] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 68.402133][ T8524] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 68.465761][ T8532] team0: Port device team_slave_1 added [ 68.482997][ T8524] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 68.519939][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.528087][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.544711][ T8521] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.561264][ T8530] team0: Port device team_slave_0 added [ 68.567699][ T8524] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 68.638775][ T8518] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.647750][ T8530] team0: Port device team_slave_1 added [ 68.707823][ T8532] device hsr_slave_0 entered promiscuous mode [ 68.765273][ T8532] device hsr_slave_1 entered promiscuous mode [ 68.815038][ T8532] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.815070][ T8532] Cannot create hsr debugfs directory [ 68.832917][ T8521] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.849567][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.858608][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.867387][ T2741] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.874475][ T2741] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.882410][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.890856][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.898580][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.907586][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.915920][ T2741] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.922969][ T2741] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.930790][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.939257][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.947857][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.957435][ T2741] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.964475][ T2741] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.973997][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.982605][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.996585][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.089147][ T8530] device hsr_slave_0 entered promiscuous mode [ 69.145191][ T8530] device hsr_slave_1 entered promiscuous mode [ 69.215007][ T8530] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.222628][ T8530] Cannot create hsr debugfs directory [ 69.228924][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.237511][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.246193][ T2772] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.253297][ T2772] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.260892][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.269493][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.291370][ T8526] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 69.337561][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.347322][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.356894][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.367976][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.376707][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.385567][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.393773][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.417254][ T8526] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 69.466793][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.478533][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.486878][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.495984][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.504241][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.512578][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.520719][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.529245][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.540334][ T8524] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.550438][ T8518] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.563821][ T8526] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.600693][ T8526] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.659252][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.667073][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.675607][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.700416][ T8521] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.763109][ T8524] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.798777][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.807539][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.815452][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.822832][ T2743] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.834481][ T8521] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.860609][ T8518] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.873014][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.881638][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.890416][ T2772] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.897522][ T2772] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.905258][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.912688][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.928886][ T8532] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.978192][ T8532] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 70.036232][ T8530] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.080911][ T8530] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.137661][ T8530] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.176444][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.184315][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.193290][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.201709][ T3015] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.208946][ T3015] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.225292][ T8532] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 70.258246][ T8532] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.315046][ T8530] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.356300][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.366682][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.375465][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.383911][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.393566][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.402130][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.444759][ T8524] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.457608][ T8524] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.470471][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.480469][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.489580][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.500674][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.509345][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.518227][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.526852][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.535165][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.543268][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.551836][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.560618][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.569368][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.577706][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.586026][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.605114][ T3004] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.613303][ T3004] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.627374][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.636129][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.650446][ T8521] device veth0_vlan entered promiscuous mode [ 70.664702][ T8518] device veth0_vlan entered promiscuous mode [ 70.692710][ T8518] device veth1_vlan entered promiscuous mode [ 70.700890][ T3004] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.709498][ T3004] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.718387][ T3004] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.731137][ T8521] device veth1_vlan entered promiscuous mode [ 70.756699][ T8524] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.780039][ T8526] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.844730][ T8526] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.860757][ T8532] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.872868][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.882433][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.890719][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.898816][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.906963][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.941134][ T8532] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.982026][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.992971][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.002251][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.011491][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.025578][ T2741] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.032687][ T2741] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.041152][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.050228][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.059090][ T2741] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.066214][ T2741] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.074387][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.083398][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.091649][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.120210][ T8530] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.138694][ T8530] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.190779][ T8530] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.201673][ T8530] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.243195][ T8530] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 176.004763][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 176.011638][ C1] rcu: 1-...!: (10499 ticks this GP) idle=216/1/0x4000000000000002 softirq=13033/13033 fqs=11 [ 176.022212][ C1] (t=10500 jiffies g=6801 q=407) [ 176.027226][ C1] rcu: rcu_preempt kthread starved for 10475 jiffies! g6801 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 176.038307][ C1] rcu: RCU grace-period kthread stack dump: [ 176.044184][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 176.052075][ C1] Call Trace: [ 176.055365][ C1] __schedule+0x9a0/0xcc0 [ 176.059887][ C1] schedule+0x181/0x210 [ 176.064044][ C1] schedule_timeout+0x14f/0x240 [ 176.068884][ C1] ? run_local_timers+0x120/0x120 [ 176.073905][ C1] rcu_gp_kthread+0xed8/0x1770 [ 176.078671][ C1] kthread+0x332/0x350 [ 176.082729][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 176.087836][ C1] ? kthread_blkcg+0xe0/0xe0 [ 176.092418][ C1] ret_from_fork+0x24/0x30 [ 176.096841][ C1] NMI backtrace for cpu 1 [ 176.101248][ C1] CPU: 1 PID: 8536 Comm: blkid Not tainted 5.5.0-rc5-syzkaller #0 [ 176.109029][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.119068][ C1] Call Trace: [ 176.122337][ C1] [ 176.125181][ C1] dump_stack+0x1fb/0x318 [ 176.129502][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 176.134428][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 176.140572][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 176.146722][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 176.152688][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 176.158576][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 176.163679][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 176.168869][ C1] ? trace_hardirqs_off+0x74/0x80 [ 176.173882][ C1] update_process_times+0x12d/0x180 [ 176.179073][ C1] tick_sched_timer+0x263/0x420 [ 176.183910][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 176.189444][ C1] __hrtimer_run_queues+0x403/0x840 [ 176.194646][ C1] hrtimer_interrupt+0x38c/0xda0 [ 176.199673][ C1] ? debug_smp_processor_id+0x9/0x20 [ 176.204955][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 176.210489][ C1] apic_timer_interrupt+0xf/0x20 [ 176.215411][ C1] [ 176.218336][ C1] RIP: 0010:free_thread_stack+0x151/0x590 [ 176.224052][ C1] Code: 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 73 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 55 94 6a 00 48 8b 3b be fc ff ff ff e8 28 04 00 [ 176.243731][ C1] RSP: 0018:ffffc900021c79f0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 176.252128][ C1] RAX: 1ffff1101191be31 RBX: ffff88808c8df188 RCX: 0000000000000000 [ 176.260527][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002493340 [ 176.268494][ C1] RBP: ffffc900021c7a28 R08: 000000000003a728 R09: ffffed1012d29291 [ 176.276537][ C1] R10: ffffed1012d29291 R11: 0000000000000000 R12: ffff88808c8df220 [ 176.284582][ C1] R13: dffffc0000000000 R14: 1ffff1101191be44 R15: ffff888096949478 [ 176.292560][ C1] put_task_stack+0xa3/0x130 [ 176.297138][ C1] finish_task_switch+0x3f1/0x550 [ 176.302153][ C1] __schedule+0x9a8/0xcc0 [ 176.306480][ C1] ? ___preempt_schedule+0x16/0x18 [ 176.311580][ C1] preempt_schedule+0xdb/0x120 [ 176.316334][ C1] ___preempt_schedule+0x16/0x18 [ 176.321266][ C1] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 176.326911][ C1] __wake_up_sync_key+0xe2/0x150 [ 176.331842][ C1] pipe_release+0x17b/0x330 [ 176.336333][ C1] ? fifo_open+0xcf0/0xcf0 [ 176.340738][ C1] __fput+0x2e4/0x740 [ 176.344715][ C1] ____fput+0x15/0x20 [ 176.348681][ C1] task_work_run+0x17e/0x1b0 [ 176.353262][ C1] do_exit+0x5f2/0x2000 [ 176.357410][ C1] ? check_preemption_disabled+0x44/0x260 [ 176.363115][ C1] ? check_preemption_disabled+0x44/0x260 [ 176.372292][ C1] ? debug_smp_processor_id+0x9/0x20 [ 176.377572][ C1] do_group_exit+0x15c/0x2b0 [ 176.382159][ C1] __do_sys_exit_group+0x17/0x20 [ 176.387083][ C1] __se_sys_exit_group+0x14/0x20 [ 176.392008][ C1] __x64_sys_exit_group+0x3b/0x40 [ 176.397047][ C1] do_syscall_64+0xf7/0x1c0 [ 176.401544][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.407426][ C1] RIP: 0033:0x7f92558fd1e8 [ 176.411896][ C1] Code: Bad RIP value. [ 176.415948][ C1] RSP: 002b:00007ffd6e7127b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 176.424347][ C1] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f92558fd1e8 [ 176.432308][ C1] RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 [ 176.440269][ C1] RBP: 00007f9255bd2840 R08: 00000000000000e7 R09: ffffffffffffffa8 [ 176.448231][ C1] R10: 00007f9255bd8740 R11: 0000000000000246 R12: 00007f9255bd2840 [ 176.456188][ C1] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000