[ 50.744516][ T28] audit: type=1800 audit(1578486026.843:25): pid=8280 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 50.763868][ T28] audit: type=1800 audit(1578486026.843:26): pid=8280 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 50.784926][ T28] audit: type=1800 audit(1578486026.843:27): pid=8280 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 50.825639][ T28] audit: type=1800 audit(1578486026.923:28): pid=8280 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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 '10.128.1.6' (ECDSA) to the list of known hosts. 2020/01/08 12:20:36 fuzzer started 2020/01/08 12:20:38 dialing manager at 10.128.0.26:35703 2020/01/08 12:20:38 syscalls: 2824 2020/01/08 12:20:38 code coverage: enabled 2020/01/08 12:20:38 comparison tracing: enabled 2020/01/08 12:20:38 extra coverage: enabled 2020/01/08 12:20:38 setuid sandbox: enabled 2020/01/08 12:20:38 namespace sandbox: enabled 2020/01/08 12:20:38 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 12:20:38 fault injection: enabled 2020/01/08 12:20:38 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 12:20:38 net packet injection: enabled 2020/01/08 12:20:38 net device setup: enabled 2020/01/08 12:20:38 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 12:20:38 devlink PCI setup: PCI device 0000:00:10.0 is not available 12:20:39 executing program 0: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c4, 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$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000140)=@ipv6_getanyicast={0x14, 0x3e, 0xc3e02c43947833ad}, 0x14}}, 0x0) 12:20:39 executing program 1: mmap(&(0x7f0000001000/0x4000)=nil, 0x4000, 0x0, 0x10031, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x14e24}, 0x1c) recvmmsg(r0, &(0x7f0000000200), 0x38c, 0x0, 0x0) connect$inet6(r0, &(0x7f00000002c0)={0xa, 0x4e24}, 0x1c) sendmmsg(r0, &(0x7f00000092c0), 0x4ff, 0x0) syzkaller login: [ 63.390520][ T8447] IPVS: ftp: loaded support on port[0] = 21 12:20:39 executing program 2: r0 = socket(0xa, 0x2, 0x0) setsockopt$inet_udp_int(r0, 0x11, 0x66, &(0x7f00000000c0), 0x4) [ 63.479551][ T8449] IPVS: ftp: loaded support on port[0] = 21 [ 63.602167][ T8447] chnl_net:caif_netlink_parms(): no params data found [ 63.679811][ T8452] IPVS: ftp: loaded support on port[0] = 21 [ 63.749898][ T8447] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.757543][ T8447] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.766476][ T8447] device bridge_slave_0 entered promiscuous mode [ 63.784516][ T8449] chnl_net:caif_netlink_parms(): no params data found 12:20:39 executing program 3: mkdir(0x0, 0x0) perf_event_open(&(0x7f0000000440)={0x2, 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, 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$inet(0x2, 0x200000002, 0x0) bind$inet(r0, &(0x7f0000000040)={0x2, 0x1000004e21, @multicast1}, 0x10) syz_emit_ethernet(0x2a, &(0x7f00000000c0)={@link_local, @broadcast, @val, {@ipv4}}, 0x0) [ 63.794474][ T8447] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.802717][ T8447] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.810647][ T8447] device bridge_slave_1 entered promiscuous mode [ 63.885305][ T8447] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.914237][ T8449] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.933349][ T8449] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.953382][ T8449] device bridge_slave_0 entered promiscuous mode [ 63.966077][ T8447] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.975819][ T8449] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.983858][ T8449] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.992377][ T8449] device bridge_slave_1 entered promiscuous mode [ 64.023167][ T8447] team0: Port device team_slave_0 added [ 64.046141][ T8455] IPVS: ftp: loaded support on port[0] = 21 [ 64.067956][ T8447] team0: Port device team_slave_1 added [ 64.076198][ T8449] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 12:20:40 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup3(r0, r1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) migrate_pages(0x0, 0x0, &(0x7f0000001300), 0x0) [ 64.128066][ T8449] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.214895][ T8447] device hsr_slave_0 entered promiscuous mode [ 64.252013][ T8447] device hsr_slave_1 entered promiscuous mode 12:20:40 executing program 5: r0 = socket(0x10, 0x2, 0x0) sendto(r0, &(0x7f0000000140)="120000001200e7ef007b1a3fcd00000000a1", 0x12, 0x0, 0x0, 0x0) recvmmsg(r0, &(0x7f00000037c0)=[{{0x0, 0x14e, 0x0, 0x0, 0x0, 0x24b, 0xb6c}}], 0x34, 0xac0, 0x0) [ 64.303847][ T8452] chnl_net:caif_netlink_parms(): no params data found [ 64.327304][ T8449] team0: Port device team_slave_0 added [ 64.344328][ T8449] team0: Port device team_slave_1 added [ 64.390354][ T8458] IPVS: ftp: loaded support on port[0] = 21 [ 64.477516][ T8449] device hsr_slave_0 entered promiscuous mode [ 64.571975][ T8449] device hsr_slave_1 entered promiscuous mode [ 64.611685][ T8449] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.619525][ T8449] Cannot create hsr debugfs directory [ 64.688377][ T8452] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.696247][ T8452] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.704885][ T8452] device bridge_slave_0 entered promiscuous mode [ 64.735469][ T8452] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.745020][ T8460] IPVS: ftp: loaded support on port[0] = 21 [ 64.749886][ T8452] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.774656][ T8452] device bridge_slave_1 entered promiscuous mode [ 64.796372][ T8455] chnl_net:caif_netlink_parms(): no params data found [ 64.827243][ T8452] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.867362][ T8452] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.912434][ T8452] team0: Port device team_slave_0 added [ 64.948474][ T8452] team0: Port device team_slave_1 added [ 64.995383][ T8455] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.003573][ T8455] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.011196][ T8455] device bridge_slave_0 entered promiscuous mode [ 65.035747][ T8447] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.096737][ T8447] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.156020][ T8447] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.215342][ T8455] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.222690][ T8455] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.230429][ T8455] device bridge_slave_1 entered promiscuous mode [ 65.238045][ T8449] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 65.308065][ T8449] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 65.356080][ T8449] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 65.416057][ T8447] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.524507][ T8452] device hsr_slave_0 entered promiscuous mode [ 65.581978][ T8452] device hsr_slave_1 entered promiscuous mode [ 65.641678][ T8452] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.649998][ T8452] Cannot create hsr debugfs directory [ 65.668577][ T8449] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.723562][ T8458] chnl_net:caif_netlink_parms(): no params data found [ 65.776894][ T8455] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.817794][ T8455] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.828268][ T8460] chnl_net:caif_netlink_parms(): no params data found [ 65.845650][ T8458] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.853675][ T8458] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.861430][ T8458] device bridge_slave_0 entered promiscuous mode [ 65.871114][ T8458] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.878387][ T8458] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.886093][ T8458] device bridge_slave_1 entered promiscuous mode [ 65.910237][ T8458] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.926363][ T8458] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.947188][ T8455] team0: Port device team_slave_0 added [ 65.996806][ T8455] team0: Port device team_slave_1 added [ 66.027848][ T8460] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.036295][ T8460] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.045056][ T8460] device bridge_slave_0 entered promiscuous mode [ 66.068850][ T8458] team0: Port device team_slave_0 added [ 66.077088][ T8458] team0: Port device team_slave_1 added [ 66.088662][ T8460] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.096565][ T8460] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.105116][ T8460] device bridge_slave_1 entered promiscuous mode [ 66.124040][ T8460] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.163377][ T8455] device hsr_slave_0 entered promiscuous mode [ 66.221999][ T8455] device hsr_slave_1 entered promiscuous mode [ 66.264440][ T8455] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.272488][ T8455] Cannot create hsr debugfs directory [ 66.335021][ T8458] device hsr_slave_0 entered promiscuous mode [ 66.381969][ T8458] device hsr_slave_1 entered promiscuous mode [ 66.431672][ T8458] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.439253][ T8458] Cannot create hsr debugfs directory [ 66.447651][ T8460] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.463232][ T8452] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.504069][ T8452] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.577796][ T8460] team0: Port device team_slave_0 added [ 66.598374][ T8452] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.664997][ T8460] team0: Port device team_slave_1 added [ 66.681293][ T8452] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.747642][ T8449] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.768160][ T8447] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.835858][ T8460] device hsr_slave_0 entered promiscuous mode [ 66.881893][ T8460] device hsr_slave_1 entered promiscuous mode [ 66.931715][ T8460] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.939602][ T8460] Cannot create hsr debugfs directory [ 66.954217][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.962500][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.984894][ T8447] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.999107][ T8449] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.013359][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.026719][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.070854][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.079999][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.089283][ T3136] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.097126][ T3136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.105468][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.114220][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.123138][ T3136] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.130269][ T3136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.138268][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.147344][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.155836][ T3136] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.162925][ T3136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.171595][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.179554][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.187465][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.211906][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.220511][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.231079][ T2783] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.238366][ T2783] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.256680][ T8455] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.306929][ T8455] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.353472][ T8455] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.417406][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.427843][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.436721][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.447817][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.456719][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.467510][ T8455] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 67.535372][ T8458] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 67.594411][ T8458] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 67.649222][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.657680][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.666245][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.675199][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.684459][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.693489][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.701758][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.709865][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.718439][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.727022][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.736038][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.749544][ T8447] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.762812][ T8447] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.780620][ T8458] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 67.823993][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.832290][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.841285][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.849579][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.858075][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.883579][ T8449] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.896553][ T8458] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 67.970625][ T8452] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.978783][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.987284][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.007972][ T8447] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.020490][ T8460] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.043618][ T8460] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.096486][ T8460] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.164092][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.172017][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.179577][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.187692][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.195421][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.204394][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.215191][ T8460] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 68.265322][ T8452] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.299219][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.308584][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.317990][ T3137] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.325075][ T3137] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.333279][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.341325][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.351440][ T8449] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.375560][ T8447] device veth0_vlan entered promiscuous mode [ 68.383700][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.392224][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.400251][ T3137] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.449246][ T8455] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.459380][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.469564][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.479031][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.488068][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.496648][ T2783] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.503750][ T2783] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.511352][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.520427][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.529430][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.537867][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.546421][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.555271][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.563809][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.572199][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.580347][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.588863][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.597575][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.606499][ T8452] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.635246][ T8447] device veth1_vlan entered promiscuous mode [ 68.647280][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.655918][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.664255][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.686280][ T8455] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.703827][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.712660][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.720753][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.729727][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.738173][ T2783] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.745261][ T2783] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.754985][ T8458] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.767920][ T8449] device veth0_vlan entered promiscuous mode [ 68.782816][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.790784][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.799071][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.807367][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.816221][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.824878][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.833690][ T2783] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.840731][ T2783] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.860443][ T8452] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.883296][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.890852][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.900446][ T8449] device veth1_vlan entered promiscuous mode [ 68.916263][ T8458] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.929339][ T2892] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.955050][ T2892] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.963408][ T2892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.971067][ T2892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.988985][ T8460] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.018588][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.032465][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.040172][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.058960][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.068634][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.077692][ T2783] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.084839][ T2783] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.094062][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.105077][ T2783] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.127252][ T8460] 8021q: adding VLAN 0 to HW filter on device team0 [ 174.091478][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 174.098257][ C0] rcu: 0-...!: (10499 ticks this GP) idle=8c6/1/0x4000000000000002 softirq=12551/12551 fqs=2 [ 174.108771][ C0] (t=10501 jiffies g=6817 q=124) [ 174.113790][ C0] rcu: rcu_preempt kthread starved for 10498 jiffies! g6817 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 174.124987][ C0] rcu: RCU grace-period kthread stack dump: [ 174.130879][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 174.138984][ C0] Call Trace: [ 174.142314][ C0] __schedule+0x9a0/0xcc0 [ 174.146646][ C0] schedule+0x181/0x210 [ 174.150803][ C0] schedule_timeout+0x14f/0x240 [ 174.155646][ C0] ? run_local_timers+0x120/0x120 [ 174.160689][ C0] rcu_gp_kthread+0xed8/0x1770 [ 174.165470][ C0] kthread+0x332/0x350 [ 174.169535][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 174.174652][ C0] ? kthread_blkcg+0xe0/0xe0 [ 174.179249][ C0] ret_from_fork+0x24/0x30 [ 174.183669][ C0] NMI backtrace for cpu 0 [ 174.188088][ C0] CPU: 0 PID: 8318 Comm: rsyslogd Not tainted 5.5.0-rc5-syzkaller #0 [ 174.196934][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.207173][ C0] Call Trace: [ 174.210539][ C0] [ 174.213675][ C0] dump_stack+0x1fb/0x318 [ 174.218114][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 174.222991][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 174.229226][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 174.235474][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 174.241534][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 174.247719][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 174.253169][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 174.258550][ C0] ? trace_hardirqs_off+0x74/0x80 [ 174.264035][ C0] update_process_times+0x12d/0x180 [ 174.269338][ C0] tick_sched_timer+0x263/0x420 [ 174.274184][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 174.279833][ C0] __hrtimer_run_queues+0x403/0x840 [ 174.285302][ C0] hrtimer_interrupt+0x38c/0xda0 [ 174.290252][ C0] ? debug_smp_processor_id+0x9/0x20 [ 174.295533][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 174.301089][ C0] apic_timer_interrupt+0xf/0x20 [ 174.306014][ C0] [ 174.308945][ C0] RIP: 0010:free_thread_stack+0x151/0x590 [ 174.314653][ C0] 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 [ 174.334331][ C0] RSP: 0018:ffffc90001a87a58 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 174.342941][ C0] RAX: 1ffff1101297e641 RBX: ffff888094bf3208 RCX: 0000000000000000 [ 174.351002][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000252f840 [ 174.358987][ C0] RBP: ffffc90001a87a90 R08: 000000000003a728 R09: ffffed1013431b09 [ 174.367035][ C0] R10: ffffed1013431b09 R11: 0000000000000000 R12: ffff888094bf3020 [ 174.375014][ C0] R13: dffffc0000000000 R14: 1ffff1101297e604 R15: ffff88809a18d838 [ 174.383172][ C0] ? free_thread_stack+0x12e/0x590 [ 174.388279][ C0] put_task_stack+0xa3/0x130 [ 174.392882][ C0] finish_task_switch+0x3f1/0x550 [ 174.397925][ C0] __schedule+0x9a8/0xcc0 [ 174.402271][ C0] schedule+0x181/0x210 [ 174.406495][ C0] do_syslog+0xdb0/0x1770 [ 174.410826][ C0] ? init_wait_entry+0xe0/0xe0 [ 174.418235][ C0] kmsg_read+0x94/0xd0 [ 174.422382][ C0] ? mmap_vmcore_fault+0x10/0x10 [ 174.427406][ C0] proc_reg_read+0x1e2/0x2d0 [ 174.431992][ C0] ? proc_reg_llseek+0x2c0/0x2c0 [ 174.436920][ C0] __vfs_read+0xb8/0x730 [ 174.441159][ C0] ? security_file_permission+0x23c/0x350 [ 174.446870][ C0] ? rw_verify_area+0x1c2/0x360 [ 174.451713][ C0] vfs_read+0x1dd/0x420 [ 174.455865][ C0] ksys_read+0x117/0x220 [ 174.460114][ C0] __x64_sys_read+0x7b/0x90 [ 174.464709][ C0] do_syscall_64+0xf7/0x1c0 [ 174.469423][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.476146][ C0] RIP: 0033:0x7f19f516a1fd [ 174.480595][ C0] 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 [ 174.500797][ C0] RSP: 002b:00007f19f2709e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 174.509227][ C0] RAX: ffffffffffffffda RBX: 00000000009264b0 RCX: 00007f19f516a1fd [ 174.518343][ C0] RDX: 0000000000000fff RSI: 00007f19f3f3e5a0 RDI: 0000000000000004 [ 174.526566][ C0] RBP: 0000000000000000 R08: 0000000000911260 R09: 0000000004000001 [ 174.534721][ C0] R10: 0000000000000001 R11: 0000000000000293 R12: 000000000065e420 [ 174.543578][ C0] R13: 00007f19f270a9c0 R14: 00007f19f57af040 R15: 0000000000000003