overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. ====================================================== WARNING: possible circular locking dependency detected 4.14.295-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor378/8233 is trying to acquire lock: (sb_writers#3){.+.+}, at: [] sb_start_write include/linux/fs.h:1551 [inline] (sb_writers#3){.+.+}, at: [] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 but task is already holding lock: (&ovl_i_mutex_dir_key[depth]#2){++++}, at: [] inode_lock include/linux/fs.h:719 [inline] (&ovl_i_mutex_dir_key[depth]#2){++++}, at: [] vfs_setxattr+0xb1/0x230 fs/xattr.c:255 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&ovl_i_mutex_dir_key[depth]#2){++++}: down_write_killable+0x37/0xb0 kernel/locking/rwsem.c:68 iterate_dir+0x387/0x5e0 fs/readdir.c:43 ovl_dir_read fs/overlayfs/readdir.c:306 [inline] ovl_dir_read_merged+0x2c5/0x430 fs/overlayfs/readdir.c:365 ovl_check_empty_dir+0x6e/0x200 fs/overlayfs/readdir.c:870 ovl_check_empty_and_clear+0x72/0xe0 fs/overlayfs/dir.c:306 ovl_rename+0x57d/0xe50 fs/overlayfs/dir.c:959 vfs_rename+0x560/0x1820 fs/namei.c:4498 SYSC_renameat2 fs/namei.c:4646 [inline] SyS_renameat2+0x95b/0xad0 fs/namei.c:4535 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb -> #0 (sb_writers#3){.+.+}: lock_acquire+0x170/0x3f0 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+0x64/0x260 fs/super.c:1342 sb_start_write include/linux/fs.h:1551 [inline] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 ovl_xattr_set+0x4d/0x290 fs/overlayfs/inode.c:214 ovl_posix_acl_xattr_set+0x2b7/0x830 fs/overlayfs/super.c:762 __vfs_setxattr+0xdc/0x130 fs/xattr.c:150 __vfs_setxattr_noperm+0xfd/0x3d0 fs/xattr.c:181 __vfs_setxattr_locked+0x14d/0x250 fs/xattr.c:239 vfs_setxattr+0xcf/0x230 fs/xattr.c:256 setxattr+0x1a9/0x300 fs/xattr.c:523 path_setxattr+0x118/0x130 fs/xattr.c:542 SYSC_lsetxattr fs/xattr.c:564 [inline] SyS_lsetxattr+0x33/0x40 fs/xattr.c:560 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ovl_i_mutex_dir_key[depth]#2); lock(sb_writers#3); lock(&ovl_i_mutex_dir_key[depth]#2); lock(sb_writers#3); *** DEADLOCK *** 2 locks held by syz-executor378/8233: #0: (sb_writers#11){.+.+}, at: [] sb_start_write include/linux/fs.h:1551 [inline] #0: (sb_writers#11){.+.+}, at: [] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 #1: (&ovl_i_mutex_dir_key[depth]#2){++++}, at: [] inode_lock include/linux/fs.h:719 [inline] #1: (&ovl_i_mutex_dir_key[depth]#2){++++}, at: [] vfs_setxattr+0xb1/0x230 fs/xattr.c:255 stack backtrace: CPU: 1 PID: 8233 Comm: syz-executor378 Not tainted 4.14.295-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 print_circular_bug.constprop.0.cold+0x2d7/0x41e 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+0x2e0e/0x3f20 kernel/locking/lockdep.c:3491 lock_acquire+0x170/0x3f0 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+0x64/0x260 fs/super.c:1342 sb_start_write include/linux/fs.h:1551 [inline] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 ovl_xattr_set+0x4d/0x290 fs/overlayfs/inode.c:214 ovl_posix_acl_xattr_set+0x2b7/0x830 fs/overlayfs/super.c:762 __vfs_setxattr+0xdc/0x130 fs/xattr.c:150 __vfs_setxattr_noperm+0xfd/0x3d0 fs/xattr.c:181 __vfs_setxattr_locked+0x14d/0x250 fs/xattr.c:239 vfs_setxattr+0xcf/0x230 fs/xattr.c:256 setxattr+0x1a9/0x300 fs/xattr.c:523 path_setxattr+0x118/0x130 fs/xattr.c:542 SYSC_lsetxattr fs/xattr.c:564 [inline] SyS_lsetxattr+0x33/0x40 fs/xattr.c:560 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f1e5422eb69 RSP: 002b:00007f1e541d32f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd RAX: ffffffffffffffda RBX: 00007f1e542ac480 RCX: 00007f1e5422eb69 RDX: 0000000020000980 RSI: 0000000020000300 RDI: 00000000200002c0 RBP: 00007f1e5427917c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000064 R11: 0000000000000246 R12: 0030656c69662f2e R13: 69662f7375622f2e R14: 007373656363615f R15: 00007f1e542ac488 UBIFS error (pid: 8284): cannot open "/dev/loop2", error -22 UBIFS error (pid: 8283): cannot open "/dev/loop5", error -22 UBIFS error (pid: 8285): cannot open "/dev/loop1", error -22 UBIFS error (pid: 8289): cannot open "/dev/loop0", error -22 UBIFS error (pid: 8287): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8288): cannot open "/dev/loop3", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8324): cannot open "/dev/loop2", error -22 UBIFS error (pid: 8326): cannot open "/dev/loop1", error -22 UBIFS error (pid: 8333): cannot open "/dev/loop5", error -22 UBIFS error (pid: 8332): cannot open "/dev/loop0", error -22 UBIFS error (pid: 8335): cannot open "/dev/loop3", error -22 UBIFS error (pid: 8342): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8371): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8370): cannot open "/dev/loop1", error -22 UBIFS error (pid: 8387): cannot open "/dev/loop4", error -22 UBIFS error (pid: 8390): cannot open "/dev/loop5", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8388): cannot open "/dev/loop0", error -22 UBIFS error (pid: 8386): cannot open "/dev/loop3", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8419): cannot open "/dev/loop3", error -22 UBIFS error (pid: 8418): cannot open "/dev/loop5", error -22 UBIFS error (pid: 8414): cannot open "/dev/loop2", error -22 UBIFS error (pid: 8420): cannot open "/dev/loop4", error -22 UBIFS error (pid: 8412): cannot open "/dev/loop1", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8428): cannot open "/dev/loop0", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8456): cannot open "/dev/loop0", error -22 UBIFS error (pid: 8454): cannot open "/dev/loop3", error -22 UBIFS error (pid: 8464): cannot open "/dev/loop5", error -22 UBIFS error (pid: 8465): cannot open "/dev/loop2", error -22 UBIFS error (pid: 8467): cannot open "/dev/loop1", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8470): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: failed to resolve './file0': -2 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8498): cannot open "/dev/loop5", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8505): cannot open "/dev/loop0", error -22 UBIFS error (pid: 8506): cannot open "/dev/loop3", error -22 UBIFS error (pid: 8504): cannot open "/dev/loop1", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8514): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8511): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8548): cannot open "/dev/loop0", error -22 UBIFS error (pid: 8545): cannot open "/dev/loop5", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8561): cannot open "/dev/loop2", error -22 UBIFS error (pid: 8560): cannot open "/dev/loop4", error -22 UBIFS error (pid: 8551): cannot open "/dev/loop3", error -22 UBIFS error (pid: 8552): cannot open "/dev/loop1", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8586): cannot open "/dev/loop0", error -22 UBIFS error (pid: 8591): cannot open "/dev/loop4", error -22 UBIFS error (pid: 8590): cannot open "/dev/loop5", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8609): cannot open "/dev/loop1", error -22 UBIFS error (pid: 8605): cannot open "/dev/loop3", error -22 UBIFS error (pid: 8604): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8626): cannot open "/dev/loop0", error -22 UBIFS error (pid: 8638): cannot open "/dev/loop1", error -22 UBIFS error (pid: 8637): cannot open "/dev/loop5", error -22 UBIFS error (pid: 8640): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8652): cannot open "/dev/loop3", error -22 UBIFS error (pid: 8664): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8672): cannot open "/dev/loop0", error -22 UBIFS error (pid: 8674): cannot open "/dev/loop1", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8684): cannot open "/dev/loop4", error -22 UBIFS error (pid: 8682): cannot open "/dev/loop5", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8703): cannot open "/dev/loop3", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8710): cannot open "/dev/loop2", error -22 UBIFS error (pid: 8709): cannot open "/dev/loop0", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8722): cannot open "/dev/loop4", error -22 UBIFS error (pid: 8721): cannot open "/dev/loop5", error -22 UBIFS error (pid: 8726): cannot open "/dev/loop1", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8739): cannot open "/dev/loop3", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8745): cannot open "/dev/loop2", error -22 UBIFS error (pid: 8747): cannot open "/dev/loop0", error -22 UBIFS error (pid: 8767): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8769): cannot open "/dev/loop3", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8777): cannot open "/dev/loop1", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8782): cannot open "/dev/loop2", error -22 UBIFS error (pid: 8793): cannot open "/dev/loop0", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8792): cannot open "/dev/loop5", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8805): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8812): cannot open "/dev/loop3", error -22 UBIFS error (pid: 8826): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8832): cannot open "/dev/loop1", error -22 UBIFS error (pid: 8833): cannot open "/dev/loop5", error -22 UBIFS error (pid: 8844): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8843): cannot open "/dev/loop0", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8863): cannot open "/dev/loop3", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8871): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8881): cannot open "/dev/loop4", error -22 UBIFS error (pid: 8890): cannot open "/dev/loop1", error -22 UBIFS error (pid: 8872): cannot open "/dev/loop5", error -22 UBIFS error (pid: 8885): cannot open "/dev/loop0", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8910): cannot open "/dev/loop3", error -22 UBIFS error (pid: 8912): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8923): cannot open "/dev/loop5", error -22 UBIFS error (pid: 8937): cannot open "/dev/loop0", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8931): cannot open "/dev/loop4", error -22 UBIFS error (pid: 8933): cannot open "/dev/loop1", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8952): cannot open "/dev/loop3", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8954): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8972): cannot open "/dev/loop5", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 8968): cannot open "/dev/loop0", error -22 UBIFS error (pid: 8977): cannot open "/dev/loop1", error -22 UBIFS error (pid: 8984): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: failed to resolve './file0': -2 UBIFS error (pid: 9002): cannot open "/dev/loop5", error -22 UBIFS error (pid: 9004): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9003): cannot open "/dev/loop3", error -22 UBIFS error (pid: 9012): cannot open "/dev/loop0", error -22 UBIFS error (pid: 9008): cannot open "/dev/loop1", error -22 UBIFS error (pid: 9020): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9036): cannot open "/dev/loop5", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9052): cannot open "/dev/loop2", error -22 UBIFS error (pid: 9044): cannot open "/dev/loop0", error -22 UBIFS error (pid: 9053): cannot open "/dev/loop1", error -22 UBIFS error (pid: 9051): cannot open "/dev/loop3", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9064): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9084): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9083): cannot open "/dev/loop0", error -22 UBIFS error (pid: 9087): cannot open "/dev/loop5", error -22 UBIFS error (pid: 9099): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9098): cannot open "/dev/loop3", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9111): cannot open "/dev/loop1", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9125): cannot open "/dev/loop3", error -22 UBIFS error (pid: 9126): cannot open "/dev/loop5", error -22 UBIFS error (pid: 9128): cannot open "/dev/loop2", error -22 UBIFS error (pid: 9129): cannot open "/dev/loop0", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9144): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9151): cannot open "/dev/loop1", error -22 UBIFS error (pid: 9168): cannot open "/dev/loop3", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9171): cannot open "/dev/loop2", error -22 UBIFS error (pid: 9172): cannot open "/dev/loop5", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9182): cannot open "/dev/loop0", error -22 UBIFS error (pid: 9178): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9204): cannot open "/dev/loop1", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9212): cannot open "/dev/loop3", error -22 UBIFS error (pid: 9213): cannot open "/dev/loop2", error -22 UBIFS error (pid: 9216): cannot open "/dev/loop0", error -22 UBIFS error (pid: 9220): cannot open "/dev/loop5", error -22 UBIFS error (pid: 9227): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9245): cannot open "/dev/loop1", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9261): cannot open "/dev/loop2", error -22 UBIFS error (pid: 9260): cannot open "/dev/loop3", error -22 UBIFS error (pid: 9256): cannot open "/dev/loop0", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9263): cannot open "/dev/loop4", error -22 UBIFS error (pid: 9280): cannot open "/dev/loop1", error -22 UBIFS error (pid: 9269): cannot open "/dev/loop5", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9294): cannot open "/dev/loop4", error -22 UBIFS error (pid: 9300): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9308): cannot open "/dev/loop3", error -22 UBIFS error (pid: 9309): cannot open "/dev/loop0", error -22 UBIFS error (pid: 9315): cannot open "/dev/loop1", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9336): cannot open "/dev/loop5", error -22 UBIFS error (pid: 9337): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9353): cannot open "/dev/loop0", error -22 UBIFS error (pid: 9354): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9367): cannot open "/dev/loop1", error -22 UBIFS error (pid: 9368): cannot open "/dev/loop3", error -22 UBIFS error (pid: 9373): cannot open "/dev/loop5", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9392): cannot open "/dev/loop2", error -22 UBIFS error (pid: 9384): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9395): cannot open "/dev/loop0", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9417): cannot open "/dev/loop3", error -22 UBIFS error (pid: 9413): cannot open "/dev/loop1", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9426): cannot open "/dev/loop5", error -22 UBIFS error (pid: 9427): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9450): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9453): cannot open "/dev/loop0", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9456): cannot open "/dev/loop1", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9458): cannot open "/dev/loop3", error -22 UBIFS error (pid: 9476): cannot open "/dev/loop5", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9485): cannot open "/dev/loop0", error -22 UBIFS error (pid: 9475): cannot open "/dev/loop4", error -22 UBIFS error (pid: 9484): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9495): cannot open "/dev/loop1", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9498): cannot open "/dev/loop3", error -22 UBIFS error (pid: 9507): cannot open "/dev/loop5", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9515): cannot open "/dev/loop0", error -22 UBIFS error (pid: 9520): cannot open "/dev/loop2", error -22 UBIFS error (pid: 9519): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9532): cannot open "/dev/loop1", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9545): cannot open "/dev/loop3", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9552): cannot open "/dev/loop5", error -22 UBIFS error (pid: 9556): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9564): cannot open "/dev/loop0", error -22 UBIFS error (pid: 9566): cannot open "/dev/loop1", error -22 UBIFS error (pid: 9573): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9579): cannot open "/dev/loop3", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UBIFS error (pid: 9599): cannot open "/dev/loop5", error -22 UBIFS error (pid: 9606): cannot open "/dev/loop2", error -22