IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready batman_adv: batadv0: Interface activated: batadv_slave_1 IPv6: ADDRCONF(NETDEV_UP): veth1_vlan: link is not ready ====================================================== IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready WARNING: possible circular locking dependency detected batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 4.14.227-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.3/7050 is trying to acquire lock: (&sig->cred_guard_mutex){+.+.}, at: [] do_io_accounting+0x1de/0x9a0 fs/proc/base.c:2725 but task is already holding lock: (&p->lock){+.+.}, at: [] seq_read+0xcd/0x1280 fs/seq_file.c:165 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&p->lock){+.+.}: lock_acquire+0x17e/0x3e0 kernel/locking/lockdep.c:3998 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xed/0x1490 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! seq_read+0xcd/0x1280 fs/seq_file.c:165 proc_reg_read+0xc0/0x180 fs/proc/inode.c:217 do_loop_readv_writev fs/read_write.c:695 [inline] do_loop_readv_writev fs/read_write.c:682 [inline] do_iter_read+0x361/0x590 fs/read_write.c:919 vfs_readv+0xb6/0x110 fs/read_write.c:981 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 kernel_readv fs/splice.c:361 [inline] default_file_splice_read+0x3fe/0x8c0 fs/splice.c:416 do_splice_to+0xe3/0x120 fs/splice.c:880 splice_direct_to_actor+0x20d/0x750 fs/splice.c:952 do_splice_direct+0x144/0x250 fs/splice.c:1061 do_sendfile+0x46c/0xcf0 fs/read_write.c:1441 SYSC_sendfile64 fs/read_write.c:1502 [inline] SyS_sendfile64+0xf5/0x110 fs/read_write.c:1488 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb -> #2 (sb_writers#3){.+.+}: lock_acquire+0x17e/0x3e0 kernel/locking/lockdep.c:3998 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] __sb_start_write+0x55/0x220 fs/super.c:1342 sb_start_write include/linux/fs.h:1549 [inline] mnt_want_write+0x3c/0xa0 fs/namespace.c:386 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 ovl_want_write+0x71/0x90 fs/overlayfs/util.c:25 ovl_create_object+0x75/0x1e0 fs/overlayfs/dir.c:538 ovl_create+0x1e/0x20 fs/overlayfs/dir.c:563 lookup_open+0x744/0x1c10 fs/namei.c:3241 do_last fs/namei.c:3334 [inline] path_openat+0xe81/0x2760 fs/namei.c:3569 do_filp_open+0x16b/0x220 fs/namei.c:3603 do_sys_open+0x1d0/0x350 fs/open.c:1081 SYSC_open fs/open.c:1099 [inline] SyS_open+0x19/0x20 fs/open.c:1094 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb -> #1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! (&ovl_i_mutex_dir_key[depth]){++++}: lock_acquire+0x17e/0x3e0 kernel/locking/lockdep.c:3998 down_read+0x3b/0xb0 kernel/locking/rwsem.c:24 inode_lock_shared include/linux/fs.h:729 [inline] do_last fs/namei.c:3333 [inline] path_openat+0x14ce/0x2760 fs/namei.c:3569 do_filp_open+0x16b/0x220 fs/namei.c:3603 do_open_execat+0xb6/0x460 fs/exec.c:849 do_execveat_common.isra.14+0x635/0x1d70 fs/exec.c:1755 do_execve fs/exec.c:1860 [inline] SYSC_execve fs/exec.c:1941 [inline] SyS_execve+0x2c/0x40 fs/exec.c:1936 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb -> #0 IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready (&sig->cred_guard_mutex){+.+.}: check_prev_add kernel/locking/lockdep.c:1905 [inline] check_prevs_add kernel/locking/lockdep.c:2022 [inline] validate_chain kernel/locking/lockdep.c:2464 [inline] __lock_acquire+0x32ee/0x42d0 kernel/locking/lockdep.c:3491 lock_acquire+0x17e/0x3e0 kernel/locking/lockdep.c:3998 batman_adv: batadv0: Interface activated: batadv_slave_0 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xed/0x1490 kernel/locking/mutex.c:893 mutex_lock_killable_nested+0x16/0x20 kernel/locking/mutex.c:923 do_io_accounting+0x1de/0x9a0 fs/proc/base.c:2725 proc_tid_io_accounting+0x11/0x20 fs/proc/base.c:2768 proc_single_show+0xf3/0x170 fs/proc/base.c:761 seq_read+0x4a0/0x1280 fs/seq_file.c:237 do_loop_readv_writev fs/read_write.c:695 [inline] do_loop_readv_writev fs/read_write.c:682 [inline] do_iter_read+0x361/0x590 fs/read_write.c:919 vfs_readv+0xb6/0x110 fs/read_write.c:981 do_preadv+0x158/0x250 fs/read_write.c:1065 SYSC_preadv fs/read_write.c:1115 [inline] SyS_preadv+0xc/0x10 fs/read_write.c:1110 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 other info that might help us debug this: Chain exists of: &sig->cred_guard_mutex --> sb_writers#3 --> &p->lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&p->lock); lock(sb_writers batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! #3); lock(&p->lock); lock(&sig->cred_guard_mutex); *** DEADLOCK *** 1 lock held by syz-executor.3/7050: #0: ( batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 &p->lock){+.+.}, at: [] seq_read+0xcd/0x1280 fs/seq_file.c:165 stack backtrace: CPU: 0 PID: 7050 Comm: syz-executor.3 Not tainted 4.14.227-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x14b/0x1e7 lib/dump_stack.c:58 print_circular_bug.isra.17.cold.40+0x2e3/0x41e kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1905 [inline] check_prevs_add kernel/locking/lockdep.c:2022 [inline] validate_chain kernel/locking/lockdep.c:2464 [inline] __lock_acquire+0x32ee/0x42d0 kernel/locking/lockdep.c:3491 lock_acquire+0x17e/0x3e0 kernel/locking/lockdep.c:3998 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xed/0x1490 kernel/locking/mutex.c:893 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready mutex_lock_killable_nested+0x16/0x20 kernel/locking/mutex.c:923 do_io_accounting+0x1de/0x9a0 fs/proc/base.c:2725 batman_adv: batadv0: Interface activated: batadv_slave_1 proc_tid_io_accounting+0x11/0x20 fs/proc/base.c:2768 proc_single_show+0xf3/0x170 fs/proc/base.c:761 seq_read+0x4a0/0x1280 fs/seq_file.c:237 do_loop_readv_writev fs/read_write.c:695 [inline] do_loop_readv_writev fs/read_write.c:682 [inline] do_iter_read+0x361/0x590 fs/read_write.c:919 vfs_readv+0xb6/0x110 fs/read_write.c:981 do_preadv+0x158/0x250 fs/read_write.c:1065 SYSC_preadv fs/read_write.c:1115 [inline] SyS_preadv+0xc/0x10 fs/read_write.c:1110 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4645a9 RSP: 002b:00007f0d88024198 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004645a9 RDX: 00000000000003da RSI: 00000000200017c0 RDI: 0000000000000006 RBP: 0000000000514820 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007f0d880246bc R14: 00000000ffffffff R15: 0000000000000004 overlayfs: filesystem on './file0' not supported as upperdir IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready device veth0_vlan entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready device veth1_vlan entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): veth1_virt_wifi: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1_macvtap: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready device veth0_macvtap entered promiscuous mode overlayfs: filesystem on './file0' not supported as upperdir IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready device veth1_macvtap entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): macsec0: link is not ready overlayfs: filesystem on './file0' not supported as upperdir IPv6: ADDRCONF(NETDEV_UP): veth1_vlan: link is not ready overlayfs: filesystem on './file0' not supported as upperdir device veth0_vlan entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready overlayfs: filesystem on './file0' not supported as upperdir IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready device veth1_vlan entered promiscuous mode overlayfs: filesystem on './file0' not supported as upperdir IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready batman_adv: batadv0: Interface activated: batadv_slave_0 IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready overlayfs: filesystem on './file0' not supported as upperdir IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 overlayfs: filesystem on './file0' not supported as upperdir batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready batman_adv: batadv0: Interface activated: batadv_slave_1 IPv6: ADDRCONF(NETDEV_UP): veth1_macvtap: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready device veth0_macvtap entered promiscuous mode overlayfs: filesystem on './file0' not supported as upperdir IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready device veth1_macvtap entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): macsec0: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! overlayfs: filesystem on './file0' not supported as upperdir batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready batman_adv: batadv0: Interface activated: batadv_slave_0 overlayfs: filesystem on './file0' not supported as upperdir batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready batman_adv: batadv0: Interface activated: batadv_slave_1 IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir