Warning: Permanently added '10.128.0.53' (ECDSA) to the list of known hosts. 2020/05/30 05:32:08 parsed 1 programs 2020/05/30 05:32:08 executed programs: 0 syzkaller login: [ 33.064494] audit: type=1400 audit(1590816728.582:8): avc: denied { execmem } for pid=6347 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 33.338807] IPVS: ftp: loaded support on port[0] = 21 [ 34.161337] chnl_net:caif_netlink_parms(): no params data found [ 34.284765] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.291478] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.298901] device bridge_slave_0 entered promiscuous mode [ 34.305824] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.313072] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.320675] device bridge_slave_1 entered promiscuous mode [ 34.337362] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 34.346356] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 34.364705] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 34.372281] team0: Port device team_slave_0 added [ 34.378196] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 34.385239] team0: Port device team_slave_1 added [ 34.400319] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 34.406721] 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. [ 34.432010] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 34.443617] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 34.450006] 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. [ 34.475474] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 34.486392] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 34.493950] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 34.549644] device hsr_slave_0 entered promiscuous mode [ 34.597100] device hsr_slave_1 entered promiscuous mode [ 34.657431] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 34.664550] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 34.727429] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.733831] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.740723] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.747121] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.775876] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 34.783043] 8021q: adding VLAN 0 to HW filter on device bond0 [ 34.791637] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 34.801342] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 34.809352] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.826321] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.835813] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 34.842574] 8021q: adding VLAN 0 to HW filter on device team0 [ 34.850825] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 34.858746] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.865098] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.874255] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 34.882099] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.888592] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.907948] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 34.915560] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 34.924684] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 34.932714] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 34.940425] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 34.949558] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 34.955628] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 34.967899] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 34.975083] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 34.982524] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 34.992859] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 35.042203] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 35.053074] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 35.080512] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 35.088930] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 35.095335] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 35.104895] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 35.113101] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 35.120358] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 35.129421] device veth0_vlan entered promiscuous mode [ 35.138932] device veth1_vlan entered promiscuous mode [ 35.144731] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 35.151909] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 35.159987] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 35.173800] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 35.183850] IPv6: ADDRCONF(NETDEV_UP): veth1_macvtap: link is not ready [ 35.191612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 35.199670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 35.209060] device veth0_macvtap entered promiscuous mode [ 35.215211] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 35.224188] device veth1_macvtap entered promiscuous mode [ 35.230512] IPv6: ADDRCONF(NETDEV_UP): macsec0: link is not ready [ 35.239458] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 35.250019] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 35.260883] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready [ 35.268435] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 35.275152] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 35.283231] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 35.291144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 35.299145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 35.309884] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 35.317023] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 35.323665] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 35.331648] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 36.836973] syz-executor.0 (6348) used greatest stack depth: 24816 bytes left 2020/05/30 05:32:12 result: hanged=false err=executor 0: exit status 67 failed to mkdir (errno 30) loop exited with status 67 failed to mkdir (errno 30) loop exited with status 67 [ 36.921826] ------------[ cut here ]------------ [ 36.926748] WARNING: CPU: 0 PID: 6585 at kernel/cgroup/cgroup.c:2936 cgroup_apply_control_disable+0x39d/0x470 [ 36.936879] Kernel panic - not syncing: panic_on_warn set ... [ 36.936879] [ 36.944440] CPU: 0 PID: 6585 Comm: syz-executor.0 Not tainted 4.14.182-syzkaller #0 [ 36.952225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.961562] Call Trace: [ 36.964137] dump_stack+0x1b2/0x283 [ 36.967747] panic+0x1f9/0x42d [ 36.970936] ? add_taint.cold+0x16/0x16 [ 36.974907] ? cgroup_apply_control_disable+0x39d/0x470 [ 36.980379] ? cgroup_apply_control_disable+0x39d/0x470 [ 36.986084] __warn.cold+0x2f/0x30 [ 36.989702] ? ist_end_non_atomic+0x10/0x10 [ 36.994005] ? cgroup_apply_control_disable+0x39d/0x470 [ 36.999376] report_bug+0x20a/0x248 [ 37.002987] do_error_trap+0x195/0x2d0 [ 37.008195] ? math_error+0x2d0/0x2d0 [ 37.012004] ? mark_held_locks+0xa6/0xf0 [ 37.016066] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.020890] invalid_op+0x1b/0x40 [ 37.024323] RIP: 0010:cgroup_apply_control_disable+0x39d/0x470 [ 37.030287] RSP: 0018:ffff888092e5f9b8 EFLAGS: 00010297 [ 37.035628] RAX: ffff888092682600 RBX: dffffc0000000000 RCX: 1ffffffff0fe79a4 [ 37.042878] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffff8880a8a4ed58 [ 37.050133] RBP: ffff8880a8a4ed40 R08: 0000000000000001 R09: 0000000000000000 [ 37.057380] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff87ba39a0 [ 37.064626] R13: ffffffff87bdb560 R14: ffff8880955a32c0 R15: ffff88821b705540 [ 37.072078] ? cgroup_apply_control_disable+0x39d/0x470 [ 37.077516] rebind_subsystems+0x364/0xa10 [ 37.081866] ? cgroup_apply_control_disable+0x470/0x470 [ 37.087209] ? kernfs_create_root+0x28d/0x370 [ 37.091812] cgroup_setup_root+0x3b5/0x950 [ 37.096023] ? rebind_subsystems+0xa10/0xa10 [ 37.100428] cgroup1_mount+0x55f/0xd3e [ 37.104293] ? cgroup1_release_agent+0x250/0x250 [ 37.109025] ? cap_capable+0x1c4/0x230 [ 37.112976] ? security_capable+0x88/0xb0 [ 37.117103] cgroup_mount+0x145/0x8d0 [ 37.120879] ? cgroup_attach_task+0x6e0/0x6e0 [ 37.125360] mount_fs+0x92/0x2a0 [ 37.128711] vfs_kern_mount.part.0+0x5b/0x3c0 [ 37.133189] do_mount+0x3c9/0x25e0 [ 37.136707] ? copy_mount_string+0x40/0x40 [ 37.140920] ? copy_mount_options+0x18c/0x2e0 [ 37.146109] ? copy_mount_options+0x1ec/0x2e0 [ 37.150664] ? copy_mnt_ns+0x8a0/0x8a0 [ 37.154527] SyS_mount+0xa8/0x120 [ 37.157960] ? copy_mnt_ns+0x8a0/0x8a0 [ 37.161828] do_syscall_64+0x1d5/0x640 [ 37.165799] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.170990] RIP: 0033:0x45f4ba [ 37.174157] RSP: 002b:00007ffdb7ba0318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 37.182040] RAX: ffffffffffffffda RBX: 00007ffdb7ba0370 RCX: 000000000045f4ba [ 37.189307] RDX: 00000000004cafd1 RSI: 00000000004c16a5 RDI: 00000000004c1668 [ 37.196639] RBP: 0000000000000000 R08: 00000000004cfa40 R09: 000000000000001c [ 37.203901] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004185d0 [ 37.211494] R13: 00007ffdb7ba0598 R14: 0000000000000000 R15: 0000000000000000 [ 37.220483] Kernel Offset: disabled [ 37.224164] Rebooting in 86400 seconds..