Warning: Permanently added '10.128.0.253' (ECDSA) to the list of known hosts. 2020/08/27 08:07:55 parsed 1 programs 2020/08/27 08:07:55 executed programs: 0 syzkaller login: [ 45.745094][ T6842] IPVS: ftp: loaded support on port[0] = 21 [ 45.890826][ T6842] chnl_net:caif_netlink_parms(): no params data found [ 45.949366][ T6842] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.957394][ T6842] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.966549][ T6842] device bridge_slave_0 entered promiscuous mode [ 45.976346][ T6842] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.984040][ T6842] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.993082][ T6842] device bridge_slave_1 entered promiscuous mode [ 46.012645][ T6842] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 46.024006][ T6842] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 46.046128][ T6842] team0: Port device team_slave_0 added [ 46.054236][ T6842] team0: Port device team_slave_1 added [ 46.071231][ T6842] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 46.079324][ T6842] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 46.106408][ T6842] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 46.119490][ T6842] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 46.127157][ T6842] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 46.153696][ T6842] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 46.179104][ T6842] device hsr_slave_0 entered promiscuous mode [ 46.186567][ T6842] device hsr_slave_1 entered promiscuous mode [ 46.273914][ T6842] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.286852][ T6842] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.296021][ T6842] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.308701][ T6842] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.331749][ T6842] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.338946][ T6842] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.346808][ T6842] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.353935][ T6842] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.393750][ T6842] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.410745][ T6842] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.419144][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.429414][ T2585] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.437700][ T2585] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.447431][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 46.471473][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.480226][ T2585] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.487365][ T2585] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.496014][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.504784][ T2585] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.511937][ T2585] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.519845][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.536839][ T6842] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 46.548523][ T6842] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 46.562963][ T7061] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.571003][ T7061] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.579425][ T7061] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.588350][ T7061] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.600553][ T7061] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.616219][ T2646] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.624129][ T2646] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.638428][ T6842] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.656724][ T2646] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.676426][ T6842] device veth0_vlan entered promiscuous mode [ 46.683687][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.693334][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.702077][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.714742][ T6842] device veth1_vlan entered promiscuous mode [ 46.722473][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 46.743157][ T3100] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 46.752175][ T3100] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.763048][ T6842] device veth0_macvtap entered promiscuous mode [ 46.774073][ T6842] device veth1_macvtap entered promiscuous mode [ 46.791632][ T6842] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 46.799035][ T3100] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.809597][ T3100] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 46.822372][ T6842] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 46.831836][ T3100] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.842969][ T6842] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.852073][ T6842] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.861472][ T6842] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.870169][ T6842] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.781293][ T3100] Bluetooth: hci0: command 0x0409 tx timeout [ 48.287090][ T7209] ------------[ cut here ]------------ [ 48.293375][ T7209] ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 [ 48.301892][ T7209] WARNING: CPU: 1 PID: 7209 at lib/debugobjects.c:488 debug_check_no_obj_freed+0x45c/0x640 [ 48.311867][ T7209] Kernel panic - not syncing: panic_on_warn set ... [ 48.318458][ T7209] CPU: 1 PID: 7209 Comm: syz-executor.0 Not tainted 5.9.0-rc2-syzkaller #0 [ 48.327067][ T7209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.337120][ T7209] Call Trace: [ 48.340399][ T7209] dump_stack+0x1f0/0x31e [ 48.344722][ T7209] panic+0x264/0x7a0 [ 48.348593][ T7209] ? __warn+0x102/0x250 [ 48.352746][ T7209] ? debug_check_no_obj_freed+0x45c/0x640 [ 48.358456][ T7209] ? debug_check_no_obj_freed+0x45c/0x640 [ 48.364158][ T7209] __warn+0x227/0x250 [ 48.368124][ T7209] ? debug_check_no_obj_freed+0x45c/0x640 [ 48.373834][ T7209] report_bug+0x1b1/0x2e0 [ 48.378146][ T7209] handle_bug+0x42/0x80 [ 48.382292][ T7209] exc_invalid_op+0x16/0x40 [ 48.386770][ T7209] asm_exc_invalid_op+0x12/0x20 [ 48.391612][ T7209] RIP: 0010:debug_check_no_obj_freed+0x45c/0x640 [ 48.397913][ T7209] Code: 74 08 4c 89 f7 e8 c4 14 10 fe 4d 8b 06 48 c7 c7 63 9a 15 89 48 c7 c6 86 73 13 89 48 89 da 89 e9 4d 89 f9 31 c0 e8 74 df a1 fd <0f> 0b 48 ba 00 00 00 00 00 fc ff df ff 05 0e 86 ea 05 48 8b 5c 24 [ 48.418120][ T7209] RSP: 0018:ffffc900055f7c00 EFLAGS: 00010046 [ 48.424181][ T7209] RAX: 332ce982d9185e00 RBX: ffffffff8919a3ef RCX: ffff88809e33c140 [ 48.432157][ T7209] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 48.440310][ T7209] RBP: 0000000000000001 R08: ffffffff815e2109 R09: ffffed1015d241c3 [ 48.448286][ T7209] R10: ffffed1015d241c3 R11: 0000000000000000 R12: ffff888094d8ecfc [ 48.456271][ T7209] R13: ffffffff8bae63e0 R14: ffffffff894fe588 R15: 0000000000000000 [ 48.464434][ T7209] ? vprintk_emit+0x339/0x3c0 [ 48.469123][ T7209] kmem_cache_free+0x66/0xf0 [ 48.473723][ T7209] task_work_run+0x137/0x1c0 [ 48.478319][ T7209] get_signal+0x15cb/0x1d50 [ 48.482839][ T7209] arch_do_signal+0x33/0x610 [ 48.487562][ T7209] ? ep_read_events_proc+0x620/0x620 [ 48.492849][ T7209] ? exit_to_user_mode_prepare+0x3d/0x1b0 [ 48.498589][ T7209] exit_to_user_mode_prepare+0x8d/0x1b0 [ 48.504141][ T7209] syscall_exit_to_user_mode+0x5e/0x1a0 [ 48.509675][ T7209] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.515570][ T7209] RIP: 0033:0x45d5b9 [ 48.519444][ T7209] Code: 5d b4 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 48.539918][ T7209] RSP: 002b:00007f5b12b0bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 48.548339][ T7209] RAX: 0000000000000000 RBX: 0000000000002ac0 RCX: 000000000045d5b9 [ 48.556324][ T7209] RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000005 [ 48.564303][ T7209] RBP: 000000000118cf88 R08: 0000000000000000 R09: 0000000000000000 [ 48.572263][ T7209] R10: 0000000020000000 R11: 0000000000000246 R12: 000000000118cf4c [ 48.580223][ T7209] R13: 00007fffa6fb317f R14: 00007f5b12b0c9c0 R15: 000000000118cf4c [ 48.589352][ T7209] Kernel Offset: disabled [ 48.593725][ T7209] Rebooting in 86400 seconds..