Warning: Permanently added '10.128.15.194' (ECDSA) to the list of known hosts. 2019/06/03 17:59:47 parsed 1 programs 2019/06/03 17:59:48 executed programs: 0 [ 57.841073][ T7575] IPVS: ftp: loaded support on port[0] = 21 [ 57.899141][ T7577] IPVS: ftp: loaded support on port[0] = 21 [ 57.983208][ T7579] IPVS: ftp: loaded support on port[0] = 21 [ 58.013505][ T7582] IPVS: ftp: loaded support on port[0] = 21 [ 58.062253][ T7585] IPVS: ftp: loaded support on port[0] = 21 [ 58.062277][ T7584] IPVS: ftp: loaded support on port[0] = 21 [ 58.068882][ T7575] chnl_net:caif_netlink_parms(): no params data found [ 58.150245][ T7575] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.157975][ T7575] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.165856][ T7575] device bridge_slave_0 entered promiscuous mode [ 58.192365][ T7575] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.200726][ T7575] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.208456][ T7575] device bridge_slave_1 entered promiscuous mode [ 58.249359][ T7575] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.261343][ T7575] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 58.283587][ T7577] chnl_net:caif_netlink_parms(): no params data found [ 58.303288][ T7575] team0: Port device team_slave_0 added [ 58.311330][ T7575] team0: Port device team_slave_1 added [ 58.377522][ T7575] device hsr_slave_0 entered promiscuous mode [ 58.415519][ T7575] device hsr_slave_1 entered promiscuous mode [ 58.470457][ T7577] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.477905][ T7577] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.485826][ T7577] device bridge_slave_0 entered promiscuous mode [ 58.493253][ T7577] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.500686][ T7577] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.508369][ T7577] device bridge_slave_1 entered promiscuous mode [ 58.550068][ T7584] chnl_net:caif_netlink_parms(): no params data found [ 58.571652][ T7577] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.601975][ T7577] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 58.661132][ T7577] team0: Port device team_slave_0 added [ 58.668713][ T7577] team0: Port device team_slave_1 added [ 58.677340][ T7579] chnl_net:caif_netlink_parms(): no params data found [ 58.713160][ T7584] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.720421][ T7584] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.728269][ T7584] device bridge_slave_0 entered promiscuous mode [ 58.738319][ T7582] chnl_net:caif_netlink_parms(): no params data found [ 58.769416][ T7584] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.778383][ T7584] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.786144][ T7584] device bridge_slave_1 entered promiscuous mode [ 58.798351][ T7575] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.805620][ T7575] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.813395][ T7575] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.820520][ T7575] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.867121][ T7577] device hsr_slave_0 entered promiscuous mode [ 58.906113][ T7577] device hsr_slave_1 entered promiscuous mode [ 58.973596][ T7579] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.981284][ T7579] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.989138][ T7579] device bridge_slave_0 entered promiscuous mode [ 58.997013][ T7579] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.004141][ T7579] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.012249][ T7579] device bridge_slave_1 entered promiscuous mode [ 59.028472][ T7585] chnl_net:caif_netlink_parms(): no params data found [ 59.039004][ T7584] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 59.050414][ T7584] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 59.061819][ T7582] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.070129][ T7582] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.077941][ T7582] device bridge_slave_0 entered promiscuous mode [ 59.085923][ T7582] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.093015][ T7582] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.102550][ T7582] device bridge_slave_1 entered promiscuous mode [ 59.118364][ T1042] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.137282][ T1042] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.151501][ T7579] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 59.165618][ T7579] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 59.208178][ T7582] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 59.226775][ T7584] team0: Port device team_slave_0 added [ 59.240878][ T7585] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.248520][ T7585] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.256478][ T7585] device bridge_slave_0 entered promiscuous mode [ 59.265457][ T7582] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 59.274049][ T7585] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.281530][ T7585] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.289660][ T7585] device bridge_slave_1 entered promiscuous mode [ 59.311527][ T7584] team0: Port device team_slave_1 added [ 59.318839][ T7579] team0: Port device team_slave_0 added [ 59.387833][ T7584] device hsr_slave_0 entered promiscuous mode [ 59.445597][ T7584] device hsr_slave_1 entered promiscuous mode [ 59.487767][ T7585] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 59.497648][ T7579] team0: Port device team_slave_1 added [ 59.508980][ T7585] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 59.524013][ T7582] team0: Port device team_slave_0 added [ 59.531145][ T7582] team0: Port device team_slave_1 added [ 59.558808][ T7575] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.567644][ T7585] team0: Port device team_slave_0 added [ 59.600367][ T7575] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.609272][ T7585] team0: Port device team_slave_1 added [ 59.640651][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.650160][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.737665][ T7579] device hsr_slave_0 entered promiscuous mode [ 59.785465][ T7579] device hsr_slave_1 entered promiscuous mode [ 59.886596][ T7585] device hsr_slave_0 entered promiscuous mode [ 59.935524][ T7585] device hsr_slave_1 entered promiscuous mode [ 60.016650][ T7582] device hsr_slave_0 entered promiscuous mode [ 60.075546][ T7582] device hsr_slave_1 entered promiscuous mode [ 60.115664][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.124608][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.133142][ T7593] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.140268][ T7593] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.148972][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.157750][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.166454][ T7593] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.173645][ T7593] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.181274][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.190093][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.198670][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.207175][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.215769][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.224183][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.233189][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.269086][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.277923][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.286675][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.294918][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.312407][ T7584] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.328836][ T7575] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.342228][ T7577] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.369584][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.378547][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.389654][ T7584] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.401781][ T7577] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.418439][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.426941][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.438910][ T7575] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.486471][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.497701][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.506748][ T7593] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.513807][ T7593] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.521928][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.530462][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.539476][ T7593] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.546721][ T7593] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.554180][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.563170][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.571733][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.580227][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.588925][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.597765][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.608152][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.616156][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.623897][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.633254][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.642629][ T7593] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.649958][ T7593] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.663733][ T7579] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.680613][ T7577] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.691689][ T7577] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.712946][ T1042] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.721280][ T1042] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.730439][ T1042] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.741528][ T1042] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.750524][ T1042] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.759064][ T1042] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.768201][ T1042] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.776799][ T1042] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.784104][ T1042] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.791826][ T1042] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.803205][ T7585] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.824377][ T7577] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.836567][ T7579] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.843445][ T1042] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.853101][ T1042] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.862533][ T1042] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.874557][ T1042] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.882777][ T1042] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.907030][ T7585] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.922516][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.942530][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.959612][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.974949][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.984380][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.993316][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.001822][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.010235][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.019035][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.027974][ T2828] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.035172][ T2828] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.042721][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.052523][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.060796][ T2828] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.068057][ T2828] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.075848][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.086326][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.094197][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.102754][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.111468][ T2828] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.132026][ T7582] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.140649][ T7604] [ 61.143100][ T7604] ============================= [ 61.148606][ T7604] WARNING: suspicious RCU usage [ 61.153468][ T7604] 5.2.0-rc2+ #1 Not tainted [ 61.158687][ T7604] ----------------------------- [ 61.164863][ T7604] net/ipv4/devinet.c:1766 suspicious rcu_dereference_check() usage! [ 61.173356][ T7604] [ 61.173356][ T7604] other info that might help us debug this: [ 61.173356][ T7604] [ 61.184026][ T7604] [ 61.184026][ T7604] rcu_scheduler_active = 2, debug_locks = 1 [ 61.192355][ T7604] 1 lock held by syz-executor.3/7604: [ 61.198265][ T7604] #0: 00000000ac263570 (rtnl_mutex){+.+.}, at: netlink_dump+0xcc/0x10c0 [ 61.206926][ T7604] [ 61.206926][ T7604] stack backtrace: [ 61.213027][ T7604] CPU: 0 PID: 7604 Comm: syz-executor.3 Not tainted 5.2.0-rc2+ #1 [ 61.220824][ T7604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.231056][ T7604] Call Trace: [ 61.234347][ T7604] dump_stack+0x113/0x167 [ 61.238677][ T7604] lockdep_rcu_suspicious+0x14a/0x153 [ 61.244063][ T7604] in_dev_dump_addr+0x24a/0x2b0 [ 61.249000][ T7604] inet_dump_ifaddr+0x827/0xa40 [ 61.253844][ T7604] ? __kasan_kmalloc.constprop.8+0xc7/0xd0 [ 61.259634][ T7604] ? inet_select_addr+0x630/0x630 [ 61.264767][ T7604] ? kasan_kmalloc+0x9/0x10 [ 61.269270][ T7604] ? __kmalloc_node_track_caller+0x4d/0x70 [ 61.275077][ T7604] rtnl_dump_all+0x1ca/0x3a0 [ 61.279767][ T7604] ? inet_select_addr+0x630/0x630 [ 61.284981][ T7604] netlink_dump+0x49e/0x10c0 [ 61.289561][ T7604] ? netlink_broadcast+0x10/0x10 [ 61.294485][ T7604] __netlink_dump_start+0x52b/0x810 [ 61.299751][ T7604] rtnetlink_rcv_msg+0x57a/0x8f0 [ 61.304673][ T7604] ? rtnl_bridge_dellink+0x6d0/0x6d0 [ 61.310366][ T7604] ? rtnetlink_put_metrics+0x490/0x490 [ 61.315961][ T7604] ? rtnl_bridge_dellink+0x6d0/0x6d0 [ 61.321415][ T7604] netlink_rcv_skb+0x13c/0x380 [ 61.326257][ T7604] ? lock_downgrade+0x860/0x860 [ 61.331096][ T7604] ? rtnetlink_put_metrics+0x490/0x490 [ 61.336554][ T7604] ? netlink_ack+0x970/0x970 [ 61.341251][ T7604] ? netlink_deliver_tap+0x182/0xad0 [ 61.346688][ T7604] rtnetlink_rcv+0x10/0x20 [ 61.351109][ T7604] netlink_unicast+0x43f/0x630 [ 61.355863][ T7604] ? netlink_attachskb+0x6d0/0x6d0 [ 61.360962][ T7604] ? _copy_from_iter_full+0x19e/0x7f0 [ 61.366498][ T7604] ? __check_object_size+0x1ea/0x31c [ 61.371784][ T7604] netlink_sendmsg+0x765/0xc50 [ 61.376725][ T7604] ? netlink_unicast+0x630/0x630 [ 61.381654][ T7604] ? apparmor_socket_sendmsg+0x1b/0x20 [ 61.387095][ T7604] ? netlink_unicast+0x630/0x630 [ 61.392016][ T7604] sock_sendmsg+0xb5/0xf0 [ 61.396348][ T7604] ___sys_sendmsg+0x647/0x950 [ 61.401090][ T7604] ? find_held_lock+0x36/0x1d0 [ 61.406014][ T7604] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 61.411466][ T7604] ? __fget+0x292/0x420 [ 61.415618][ T7604] ? lock_downgrade+0x860/0x860 [ 61.420659][ T7604] ? kasan_check_read+0x11/0x20 [ 61.425496][ T7604] ? __fget+0x2af/0x420 [ 61.429656][ T7604] ? ksys_dup3+0x2e0/0x2e0 [ 61.434059][ T7604] ? __fget_light+0x179/0x1f0 [ 61.438820][ T7604] ? lockdep_hardirqs_on+0x424/0x5c0 [ 61.444093][ T7604] ? __fdget+0xe/0x10 [ 61.448060][ T7604] __sys_sendmsg+0xd9/0x180 [ 61.452562][ T7604] ? __ia32_sys_shutdown+0x70/0x70 [ 61.457682][ T7604] ? __schedule+0x8a0/0x1500 [ 61.462295][ T7604] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.468364][ T7604] __x64_sys_sendmsg+0x73/0xb0 [ 61.473132][ T7604] do_syscall_64+0xd0/0x530 [ 61.477626][ T7604] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.483508][ T7604] RIP: 0033:0x459279 [ 61.487491][ T7604] Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 61.507246][ T7604] RSP: 002b:00007fcd31acdc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 61.515641][ T7604] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459279 [ 61.530459][ T7604] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 61.538525][ T7604] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 61.546653][ T7604] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcd31ace6d4 [ 61.554623][ T7604] R13: 00000000004c6cdf R14: 00000000004dbb08 R15: 00000000ffffffff [ 61.566581][ T7604] [ 61.568956][ T7604] ============================= [ 61.573797][ T7604] WARNING: suspicious RCU usage [ 61.578944][ T7604] 5.2.0-rc2+ #1 Not tainted [ 61.583723][ T7604] ----------------------------- [ 61.588650][ T7604] net/ipv4/devinet.c:1766 suspicious rcu_dereference_check() usage! [ 61.597219][ T7604] [ 61.597219][ T7604] other info that might help us debug this: [ 61.597219][ T7604] [ 61.607582][ T7604] [ 61.607582][ T7604] rcu_scheduler_active = 2, debug_locks = 1 [ 61.616103][ T7604] 1 lock held by syz-executor.3/7604: [ 61.621468][ T7604] #0: 00000000ac263570 (rtnl_mutex){+.+.}, at: netlink_dump+0xcc/0x10c0 [ 61.630638][ T7604] [ 61.630638][ T7604] stack backtrace: [ 61.636625][ T7604] CPU: 0 PID: 7604 Comm: syz-executor.3 Not tainted 5.2.0-rc2+ #1 [ 61.644427][ T7604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.654554][ T7604] Call Trace: [ 61.657926][ T7604] dump_stack+0x113/0x167 [ 61.662280][ T7604] lockdep_rcu_suspicious+0x14a/0x153 [ 61.667647][ T7604] in_dev_dump_addr+0x1d1/0x2b0 [ 61.672593][ T7604] inet_dump_ifaddr+0x827/0xa40 [ 61.677456][ T7604] ? __kasan_kmalloc.constprop.8+0xc7/0xd0 [ 61.683341][ T7604] ? inet_select_addr+0x630/0x630 [ 61.688364][ T7604] ? kasan_kmalloc+0x9/0x10 [ 61.692854][ T7604] ? __kmalloc_node_track_caller+0x4d/0x70 [ 61.698675][ T7604] rtnl_dump_all+0x1ca/0x3a0 [ 61.703259][ T7604] ? inet_select_addr+0x630/0x630 [ 61.708274][ T7604] netlink_dump+0x49e/0x10c0 [ 61.712945][ T7604] ? netlink_broadcast+0x10/0x10 [ 61.718171][ T7604] __netlink_dump_start+0x52b/0x810 [ 61.723380][ T7604] rtnetlink_rcv_msg+0x57a/0x8f0 [ 61.728301][ T7604] ? rtnl_bridge_dellink+0x6d0/0x6d0 [ 61.733655][ T7604] ? rtnetlink_put_metrics+0x490/0x490 [ 61.739532][ T7604] ? rtnl_bridge_dellink+0x6d0/0x6d0 [ 61.745005][ T7604] netlink_rcv_skb+0x13c/0x380 [ 61.749849][ T7604] ? lock_downgrade+0x860/0x860 [ 61.754891][ T7604] ? rtnetlink_put_metrics+0x490/0x490 [ 61.760372][ T7604] ? netlink_ack+0x970/0x970 [ 61.764970][ T7604] ? netlink_deliver_tap+0x182/0xad0 [ 61.770258][ T7604] rtnetlink_rcv+0x10/0x20 [ 61.774687][ T7604] netlink_unicast+0x43f/0x630 [ 61.779723][ T7604] ? netlink_attachskb+0x6d0/0x6d0 [ 61.784847][ T7604] ? _copy_from_iter_full+0x19e/0x7f0 [ 61.790256][ T7604] ? __check_object_size+0x1ea/0x31c [ 61.795623][ T7604] netlink_sendmsg+0x765/0xc50 [ 61.800464][ T7604] ? netlink_unicast+0x630/0x630 [ 61.805484][ T7604] ? apparmor_socket_sendmsg+0x1b/0x20 [ 61.811034][ T7604] ? netlink_unicast+0x630/0x630 [ 61.815974][ T7604] sock_sendmsg+0xb5/0xf0 [ 61.820487][ T7604] ___sys_sendmsg+0x647/0x950 [ 61.825262][ T7604] ? find_held_lock+0x36/0x1d0 [ 61.830024][ T7604] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 61.835658][ T7604] ? __fget+0x292/0x420 [ 61.839811][ T7604] ? lock_downgrade+0x860/0x860 [ 61.844841][ T7604] ? kasan_check_read+0x11/0x20 [ 61.849694][ T7604] ? __fget+0x2af/0x420 [ 61.854219][ T7604] ? ksys_dup3+0x2e0/0x2e0 [ 61.858744][ T7604] ? __fget_light+0x179/0x1f0 [ 61.863418][ T7604] ? lockdep_hardirqs_on+0x424/0x5c0 [ 61.868810][ T7604] ? __fdget+0xe/0x10 [ 61.872881][ T7604] __sys_sendmsg+0xd9/0x180 [ 61.877647][ T7604] ? __ia32_sys_shutdown+0x70/0x70 [ 61.882762][ T7604] ? __schedule+0x8a0/0x1500 [ 61.887618][ T7604] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.893687][ T7604] __x64_sys_sendmsg+0x73/0xb0 [ 61.898450][ T7604] do_syscall_64+0xd0/0x530 [ 61.902945][ T7604] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.913706][ T7604] RIP: 0033:0x459279 [ 61.917699][ T7604] Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 61.938030][ T7604] RSP: 002b:00007fcd31acdc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 61.946546][ T7604] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459279 [ 61.954958][ T7604] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 61.963014][ T7604] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 61.971294][ T7604] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcd31ace6d4 [ 61.981788][ T7604] R13: 00000000004c6cdf R14: 00000000004dbb08 R15: 00000000ffffffff [ 62.003588][ T7584] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.015739][ T1042] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.024507][ T1042] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.050214][ T1042] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.057422][ T1042] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.069918][ T1042] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.078532][ T1042] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.087283][ T1042] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.094335][ T1042] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.102055][ T1042] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.111169][ T1042] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.120452][ T1042] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.143164][ T7588] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.167367][ T7588] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.197959][ T7588] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.206932][ T7588] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.216696][ T7588] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.224818][ T7588] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.234900][ T7582] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.253229][ T7579] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.265639][ T7579] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.282489][ T7585] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.302022][ T7585] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.338279][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.347921][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.356929][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.365997][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.374309][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.383348][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.391893][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.400506][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.409141][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.417759][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.426219][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.434461][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.442870][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.451173][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.459535][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.467489][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.475224][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.533174][ T7585] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.576724][ T7579] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.583843][ T1042] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.618512][ T1042] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.635251][ T1042] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.642595][ T1042] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.701659][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.711536][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.730603][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.741851][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.749209][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.757032][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.766293][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.774802][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.783468][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.793112][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready 2019/06/03 17:59:53 executed programs: 16 [ 62.814627][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.823829][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.841370][ T7582] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.865366][ T7582] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.877279][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.887628][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.910667][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.919547][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.936338][ T7582] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.944488][ T7593] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready 2019/06/03 17:59:58 executed programs: 302