Warning: Permanently added '10.128.0.236' (ECDSA) to the list of known hosts. 2020/05/30 06:08:27 parsed 1 programs 2020/05/30 06:08:28 executed programs: 0 syzkaller login: [ 40.170351] audit: type=1400 audit(1590818908.171:8): avc: denied { execmem } for pid=6434 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 40.209130] IPVS: ftp: loaded support on port[0] = 21 [ 40.297737] chnl_net:caif_netlink_parms(): no params data found [ 40.382414] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.389280] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.397260] device bridge_slave_0 entered promiscuous mode [ 40.406044] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.412445] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.420182] device bridge_slave_1 entered promiscuous mode [ 40.438296] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.447343] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.466904] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.474370] team0: Port device team_slave_0 added [ 40.479914] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.489726] team0: Port device team_slave_1 added [ 40.506156] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.512408] 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. [ 40.538459] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.550503] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.557246] 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. [ 40.582950] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.594280] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.601706] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.666201] device hsr_slave_0 entered promiscuous mode [ 40.713636] device hsr_slave_1 entered promiscuous mode [ 40.754079] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 40.761174] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 40.833182] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.839728] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.846764] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.853222] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.890346] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 40.896838] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.906276] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 40.915412] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.924907] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.942104] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.949857] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 40.961137] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 40.968178] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.978289] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.986607] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.993004] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.003210] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.011185] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.017922] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.032760] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.049371] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 41.059989] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 41.072020] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 41.079942] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.087699] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.096067] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.104318] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.118685] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 41.125397] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.134764] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.141507] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.154730] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.168013] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 41.178616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.215574] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 41.222625] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 41.231077] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 41.241016] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.249132] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.257553] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.266952] device veth0_vlan entered promiscuous mode [ 41.276775] device veth1_vlan entered promiscuous mode [ 41.282825] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 41.292265] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 41.300650] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 41.308401] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 41.321080] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 41.331295] IPv6: ADDRCONF(NETDEV_UP): veth1_macvtap: link is not ready [ 41.339353] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 41.347619] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.357164] device veth0_macvtap entered promiscuous mode [ 41.365623] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 41.374901] device veth1_macvtap entered promiscuous mode [ 41.381040] IPv6: ADDRCONF(NETDEV_UP): macsec0: link is not ready [ 41.390213] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 41.400119] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 41.410159] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready [ 41.417787] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.425103] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 41.432310] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 41.440251] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 41.448580] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.460213] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 41.467540] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.474415] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.482233] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.173004] syz-executor.0 (6435) used greatest stack depth: 23544 bytes left 2020/05/30 06:08:30 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 [ 42.256740] WARNING: CPU: 1 PID: 6661 at kernel/cgroup/cgroup.c:2992 cgroup_apply_control_disable+0x3fd/0x4c0 [ 42.267121] Kernel panic - not syncing: panic_on_warn set ... [ 42.267121] [ 42.274524] CPU: 1 PID: 6661 Comm: syz-executor.0 Not tainted 4.19.125-syzkaller #0 [ 42.282299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.292154] Call Trace: [ 42.294728] dump_stack+0x1fc/0x2fe [ 42.298366] panic+0x26a/0x50e [ 42.301549] ? __warn_printk+0xf3/0xf3 [ 42.305422] ? cgroup_apply_control_disable+0x3fd/0x4c0 [ 42.310774] ? __probe_kernel_read+0x16c/0x1b0 [ 42.315392] ? __warn.cold+0x5/0x46 [ 42.319005] ? __warn+0xe4/0x1c0 [ 42.322360] ? cgroup_apply_control_disable+0x3fd/0x4c0 [ 42.327707] __warn.cold+0x20/0x46 [ 42.331230] ? cgroup_apply_control_disable+0x3fd/0x4c0 [ 42.336661] report_bug+0x262/0x2a0 [ 42.340286] do_error_trap+0x1d7/0x310 [ 42.344166] ? math_error+0x310/0x310 [ 42.347944] ? lock_acquire+0x170/0x3c0 [ 42.352072] ? mark_held_locks+0xa6/0xf0 [ 42.356113] ? trace_hardirqs_off_caller+0x69/0x210 [ 42.361117] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.365941] invalid_op+0x14/0x20 [ 42.369374] RIP: 0010:cgroup_apply_control_disable+0x3fd/0x4c0 [ 42.376798] Code: ff ff ff e8 b5 ed 05 00 48 89 ef 41 ff d5 e9 1a ff ff ff e8 a5 ed 05 00 48 89 ef e8 8d f4 fe ff e9 08 ff ff ff e8 93 ed 05 00 <0f> 0b e9 ab fd ff ff 48 83 c4 30 5b 5d 41 5c 41 5d 41 5e 41 5f e9 [ 42.395787] RSP: 0018:ffff8880896af8d8 EFLAGS: 00010293 [ 42.401129] RAX: ffff88808c93a540 RBX: dffffc0000000000 RCX: ffffffff81619ae6 [ 42.408377] RDX: 0000000000000000 RSI: ffffffff81619d3d RDI: 0000000000000007 [ 42.415627] RBP: ffff88808dd38040 R08: ffff88808c93a540 R09: ffffed1015ce473b [ 42.422891] R10: ffffed1015ce473a R11: ffff8880ae7239d3 R12: 0000000000000008 [ 42.430156] R13: 0000000000000002 R14: ffffffff88bf6fe0 R15: ffff8880a3dcd100 [ 42.437432] ? cgroup_apply_control_disable+0x1a6/0x4c0 [ 42.442823] ? cgroup_apply_control_disable+0x3fd/0x4c0 [ 42.448172] ? cgroup_apply_control_disable+0x3fd/0x4c0 [ 42.453571] rebind_subsystems+0x3d9/0xaf0 [ 42.457808] ? cgroup_apply_control_disable+0x4c0/0x4c0 [ 42.463171] ? css_populate_dir+0x288/0x450 [ 42.467478] cgroup_setup_root+0x445/0xad0 [ 42.471691] ? rebind_subsystems+0xaf0/0xaf0 [ 42.476078] ? __lockdep_init_map+0x100/0x5a0 [ 42.480814] ? __raw_spin_lock_init+0x28/0x100 [ 42.485398] cgroup1_mount+0x6c1/0x1137 [ 42.489365] ? cgroup1_release_agent+0x2b0/0x2b0 [ 42.494114] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 42.498758] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 42.503904] ? cap_capable+0x1eb/0x250 [ 42.507779] ? security_capable+0x8e/0xc0 [ 42.511919] cgroup_mount+0x17b/0xa20 [ 42.515720] ? cgroup_attach_task+0x8b0/0x8b0 [ 42.520201] mount_fs+0xa3/0x30c [ 42.523551] vfs_kern_mount.part.0+0x68/0x400 [ 42.528044] do_mount+0x4f4/0x2b50 [ 42.531566] ? retint_kernel+0x2d/0x2d [ 42.535435] ? copy_mount_string+0x40/0x40 [ 42.539667] ? copy_mount_options+0x1d6/0x390 [ 42.544149] ? copy_mount_options+0x1f5/0x390 [ 42.548624] ? copy_mount_options+0x27a/0x390 [ 42.553101] ksys_mount+0xd7/0x150 [ 42.556638] __x64_sys_mount+0xba/0x150 [ 42.560593] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 42.565157] do_syscall_64+0xf9/0x620 [ 42.568941] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.574112] RIP: 0033:0x45f4ba [ 42.577286] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 ad 8c fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 8a 8c fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 42.596171] RSP: 002b:00007fffdc485c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 42.603859] RAX: ffffffffffffffda RBX: 00007fffdc485cd0 RCX: 000000000045f4ba [ 42.611106] RDX: 00000000004cafd1 RSI: 00000000004c16a5 RDI: 00000000004c1668 [ 42.618354] RBP: 0000000000000000 R08: 00000000004cfa40 R09: 000000000000001c [ 42.625602] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004185d0 [ 42.632849] R13: 00007fffdc485ef8 R14: 0000000000000000 R15: 0000000000000000 [ 42.641764] Kernel Offset: disabled [ 42.645464] Rebooting in 86400 seconds..