UBIFS error (pid: 26504): cannot open "/dev/loop3", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: overlapping lowerdir path ====================================================== WARNING: possible circular locking dependency detected 4.19.211-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.5/26542 is trying to acquire lock: 00000000a55f9be0 (&ovl_i_mutex_dir_key[depth]#2){++++}, at: inode_lock_shared include/linux/fs.h:758 [inline] 00000000a55f9be0 (&ovl_i_mutex_dir_key[depth]#2){++++}, at: do_last fs/namei.c:3326 [inline] 00000000a55f9be0 (&ovl_i_mutex_dir_key[depth]#2){++++}, at: path_openat+0x17ec/0x2df0 fs/namei.c:3537 but task is already holding lock: 0000000024111339 (&sig->cred_guard_mutex){+.+.}, at: prepare_bprm_creds fs/exec.c:1419 [inline] 0000000024111339 (&sig->cred_guard_mutex){+.+.}, at: __do_execve_file+0x38c/0x2360 fs/exec.c:1762 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&sig->cred_guard_mutex){+.+.}: do_io_accounting fs/proc/base.c:2750 [inline] proc_tid_io_accounting+0x184/0x2b0 fs/proc/base.c:2793 proc_single_show+0xeb/0x170 fs/proc/base.c:755 seq_read+0x4e0/0x11c0 fs/seq_file.c:232 __vfs_read+0xf7/0x750 fs/read_write.c:416 vfs_read+0x194/0x3c0 fs/read_write.c:452 ksys_read+0x12b/0x2a0 fs/read_write.c:579 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #2 (&p->lock){+.+.}: seq_read+0x6b/0x11c0 fs/seq_file.c:164 overlayfs: failed to resolve './file1': -2 proc_reg_read+0x1bd/0x2d0 fs/proc/inode.c:231 do_loop_readv_writev fs/read_write.c:701 [inline] do_loop_readv_writev fs/read_write.c:688 [inline] do_iter_read+0x471/0x630 fs/read_write.c:925 vfs_readv+0xe5/0x150 fs/read_write.c:987 kernel_readv fs/splice.c:362 [inline] default_file_splice_read+0x457/0xa00 fs/splice.c:417 do_splice_to+0x10e/0x160 fs/splice.c:881 overlayfs: overlapping lowerdir path splice_direct_to_actor+0x2b9/0x8d0 fs/splice.c:959 do_splice_direct+0x1a7/0x270 fs/splice.c:1068 do_sendfile+0x550/0xc30 fs/read_write.c:1447 __do_sys_sendfile64 fs/read_write.c:1508 [inline] __se_sys_sendfile64+0x147/0x160 fs/read_write.c:1494 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #1 (sb_writers#3){.+.+}: overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. sb_start_write include/linux/fs.h:1579 [inline] mnt_want_write+0x3a/0xb0 fs/namespace.c:360 ovl_xattr_set+0x53/0x600 fs/overlayfs/inode.c:338 ovl_posix_acl_xattr_set+0x347/0x9a0 fs/overlayfs/super.c:917 __vfs_setxattr+0x10e/0x170 fs/xattr.c:149 __vfs_setxattr_noperm+0x11a/0x420 fs/xattr.c:180 __vfs_setxattr_locked+0x176/0x250 fs/xattr.c:238 vfs_setxattr+0xe5/0x270 fs/xattr.c:255 setxattr+0x23d/0x330 fs/xattr.c:520 path_setxattr+0x170/0x190 fs/xattr.c:539 __do_sys_lsetxattr fs/xattr.c:561 [inline] __se_sys_lsetxattr fs/xattr.c:557 [inline] __x64_sys_lsetxattr+0xbd/0x150 fs/xattr.c:557 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&ovl_i_mutex_dir_key[depth]#2){++++}: down_read+0x36/0x80 kernel/locking/rwsem.c:24 inode_lock_shared include/linux/fs.h:758 [inline] do_last fs/namei.c:3326 [inline] path_openat+0x17ec/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_open_execat+0x11d/0x5b0 fs/exec.c:853 __do_execve_file+0x1a8b/0x2360 fs/exec.c:1770 do_execveat_common fs/exec.c:1879 [inline] do_execve+0x35/0x50 fs/exec.c:1896 __do_sys_execve fs/exec.c:1977 [inline] __se_sys_execve fs/exec.c:1972 [inline] __x64_sys_execve+0x7c/0xa0 fs/exec.c:1972 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Chain exists of: &ovl_i_mutex_dir_key[depth]#2 --> &p->lock --> &sig->cred_guard_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&sig->cred_guard_mutex); lock(&p->lock); lock(&sig->cred_guard_mutex); lock(&ovl_i_mutex_dir_key[depth]#2); *** DEADLOCK *** 1 lock held by syz-executor.5/26542: #0: 0000000024111339 (&sig->cred_guard_mutex){+.+.}, at: prepare_bprm_creds fs/exec.c:1419 [inline] #0: 0000000024111339 (&sig->cred_guard_mutex){+.+.}, at: __do_execve_file+0x38c/0x2360 fs/exec.c:1762 stack backtrace: CPU: 0 PID: 26542 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1222 check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2420 [inline] __lock_acquire+0x30c9/0x3ff0 kernel/locking/lockdep.c:3416 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 down_read+0x36/0x80 kernel/locking/rwsem.c:24 inode_lock_shared include/linux/fs.h:758 [inline] do_last fs/namei.c:3326 [inline] path_openat+0x17ec/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_open_execat+0x11d/0x5b0 fs/exec.c:853 __do_execve_file+0x1a8b/0x2360 fs/exec.c:1770 do_execveat_common fs/exec.c:1879 [inline] do_execve+0x35/0x50 fs/exec.c:1896 __do_sys_execve fs/exec.c:1977 [inline] __se_sys_execve fs/exec.c:1972 [inline] __x64_sys_execve+0x7c/0xa0 fs/exec.c:1972 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f8cab6ba5f9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8ca9f88168 EFLAGS: 00000246 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 00007f8cab7db390 RCX: 00007f8cab6ba5f9 RDX: 0000000020000600 RSI: 0000000020000500 RDI: 0000000020000140 RBP: 00007f8cab7157b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc0301e8df R14: 00007f8ca9f88300 R15: 0000000000022000 overlayfs: maximum fs stacking depth exceeded UBIFS error (pid: 26605): cannot open "/dev/loop3", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "workdkr=./file1" or missing value overlayfs: unrecognized mount option "wo~kdir=./file1D5ªÀerdir=./file0Ãu§´ŸeDÔ¨Þ­ÃðVÁg‘ÏÑ‚àØ" or missing value 9pnet: Insufficient options for proto=fd UBIFS error (pid: 26658): cannot open "/dev/loop2", error -22 overlayfs: failed to resolve './file1': -2 UBIFS error (pid: 26662): cannot open "/dev/loop3", error -22 overlayfs: unrecognized mount option "workdkr=./file1" or missing value UBIFS error (pid: 26678): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "lowerdir-./f" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: failed to resolve './file1': -2 UBIFS error (pid: 26727): cannot open "/dev/loop2", error -22 overlayfs: overlapping lowerdir path UBIFS error (pid: 26733): cannot open "/dev/loop3", error -22 overlayfs: overlapping lowerdir path overlayfs: unrecognized mount option "workdkr=./file1" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 26770): cannot open "/dev/loop4", error -22 overlayfs: unrecognized mount option "lowerdir-./f" or missing value UBIFS error (pid: 26801): cannot open "/dev/loop3", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "workdéØlhwerdir=./file0" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: failed to resolve './file0': -2 overlayfs: failed to resolve 'file0': -2 UBIFS error (pid: 26860): cannot open "/dev/loop4", error -22 overlayfs: unrecognized mount option "lowerdir-./f" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "workdéØlhwerdir=./file0" or missing value UBIFS error (pid: 26882): cannot open "/dev/loop3", error -22 overlayfs: maximum fs stacking depth exceeded overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: maximum fs stacking depth exceeded overlayfs: maximum fs stacking depth exceeded overlayfs: failed to resolve './file1': -2 overlayfs: lowerdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. overlayfs: maximum fs stacking depth exceeded overlayfs: lowerdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. overlayfs: lowerdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. overlayfs: lowerdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. UBIFS error (pid: 26915): cannot open "/dev/loop4", error -22 overlayfs: lowerdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: lowerdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 26957): cannot open "/dev/loop4", error -22 overlayfs: lowerdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: lowerdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. overlayfs: failed to resolve './file0': -2 overlayfs: lowerdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. overlayfs: overlapping lowerdir path UBIFS error (pid: 27018): cannot open "/dev/loop4", error -22 overlayfs: lowerdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: overlapping lowerdir path overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 27030): cannot open "/dev/loop3", error -22 overlayfs: unrecognized mount option "0x0000000000000005000000000000000000000040x0000000000000003" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 27044): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 27068): cannot open "/dev/loop3", error -22 overlayfs: unrecognized mount option "0x0000000000000004017777777777777777777770x0000000000000003" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 27070): cannot open "/dev/loop4", error -22 overlayfs: unrecognized mount option "" or missing value overlayfs: unrecognized mount option "" or missing value UBIFS error (pid: 27125): cannot open "/dev/loop2", error -22 UBIFS error (pid: 27142): cannot open "/dev/loop3", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: maximum fs stacking depth exceeded overlayfs: maximum fs stacking depth exceeded overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: maximum fs stacking depth exceeded overlayfs: maximum fs stacking depth exceeded overlayfs: unrecognized mount option "" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: lowerdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path UBIFS error (pid: 27242): cannot open "/dev/loop4", error -22 overlayfs: overlapping lowerdir path overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: unrecognized mount option "" or missing value overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path UBIFS error (pid: 27243): cannot open "/dev/loop3", error -22 overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: unrecognized mount option "" or missing value overlayfs: overlapping lowerdir path overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path UBIFS error (pid: 27261): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 27268): cannot open "/dev/loop3", error -22 overlayfs: failed to resolve './bus': -2 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: overlapping lowerdir path overlayfs: unrecognized mount option "" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: overlapping lowerdir path UBIFS error (pid: 27336): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 27340): cannot open "/dev/loop2", error -22 overlayfs: unrecognized mount option "upperdi:+eXr=./bus" or missing value UBIFS error (pid: 27369): cannot open "/dev/loop3", error -22 overlayfs: unrecognized mount option "" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 27453): cannot open "/dev/loop4", error -22 overlayfs: unrecognized mount option "inYAHtEND" or missing value UBIFS error (pid: 27465): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "uqperdir=./bus" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: maximum fs stacking depth exceeded overlayfs: unrecognized mount option "inYAHtEND" or missing value overlayfs: overlapping lowerdir path overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "uqperdir=./bus" or missing value overlayfs: unrecognized mount option "uqperdir=./bus" or missing value UBIFS error (pid: 27567): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "obj_role=tmpfs" or missing value UBIFS error (pid: 27573): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "inYAHtEND" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "obj_role=tmpfs" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: overlapping lowerdir path overlayfs: failed to resolve './file1': -2 overlayfs: unrecognized mount option "uqperdir=./bus" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 27700): cannot open "/dev/loop4", error -22 overlayfs: unrecognized mount option "obj_role=tmpfs" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 27710): cannot open "/dev/loop3", error -22 overlayfs: failed to resolve 'fé¸ì jle03¤²WI¯ºÕz‰°)ò¾ð-L¥ÃɘîÇñ×൜Ã': -2 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "upperdir<./bus" or missing value ip_tunnel: non-ECT from 0.0.0.0 with TOS=0x3 UBIFS error (pid: 27777): cannot open "/dev/loop4", error -22 UBIFS error (pid: 27802): cannot open "/dev/loop3", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: failed to resolve 'fé¸ì jle03¤²WI¯ºÕz‰°)ò¾ð-L¥ÃɘîÇñ×൜Ã': -2 overlayfs: unrecognized mount option "upperdir<./bus" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. ip_tunnel: non-ECT from 0.0.0.0 with TOS=0x3 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "upperdir<./bus" or missing value overlayfs: failed to resolve 'fé¸ì jle03¤²WI¯ºÕz‰°)ò¾ð-L¥ÃɘîÇñ×൜Ã': -2 overlayfs: overlapping lowerdir path overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 27945): cannot open "/dev/loop3", error -22 overlayfs: overlapping lowerdir path UBIFS error (pid: 27946): cannot open "/dev/loop2", error -22 overlayfs: unrecognized mount option "§j¥A¼±­€¸›JiÓéqáž" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "ÿ" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 27985): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 27999): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 28011): cannot open "/dev/loop3", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "smackfsroot=%!›.}^@" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "§j¥A¼±­€¸›JiÓéqáž" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "ÿ" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 28126): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 28152): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 28169): cannot open "/dev/loop3", error -22 UBIFS error (pid: 28175): cannot open "/dev/loop2", error -22 overlayfs: unrecognized mount option "§j¥A¼±­€¸›JiÓéqáž" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "ÿ" or missing value overlayfs: unrecognized mount option "audit" or missing value overlayfs: maximum fs stacking depth exceeded overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 28217): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: maximum fs stacking depth exceeded UBIFS error (pid: 28263): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 28269): cannot open "/dev/loop3", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: failed to resolve './file1': -2 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 28318): cannot open "/dev/loop2", error -22 overlayfs: unrecognized mount option "u=+ÌŒdir=./busêëqHi" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "audit" or missing value UBIFS error (pid: 28324): cannot open "/dev/loop4", error -22 overlayfs: unrecognized mount option "u=+ÌŒdir=./busêëqHi" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 28450): cannot open "/dev/loop4", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "wožn€r=*/file1" or missing value overlayfs: unrecognized mount option "f¥ïrdir=.:file0" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: failed to resolve './file1': -2 UBIFS error (pid: 28494): cannot open "/dev/loop3", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 28507): cannot open "/dev/loop2", error -22 overlayfs: overlapping lowerdir path overlayfs: unrecognized mount option "wožn€r=*/file1" or missing value UBIFS error (pid: 28503): cannot open "/dev/loop4", error -22 overlayfs: unrecognized mount option "f¥ïrdir=.:file0" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: overlapping lowerdir path overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: overlapping lowerdir path UBIFS error (pid: 28610): cannot open "/dev/loop2", error -22 overlayfs: unrecognized mount option "f¥ïrdir=.:file0" or missing value overlayfs: unrecognized mount option "wožn€r=*/file1" or missing value overlayfs: failed to resolve './bus': -2 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 28643): cannot open "/dev/loop3", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "lo" or missing value UBIFS error (pid: 28665): cannot open "/dev/loop4", error -22 overlayfs: overlapping lowerdir path overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: overlapping lowerdir path overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 28701): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: unrecognized mount option "lo" or missing value UBIFS error (pid: 28736): cannot open "/dev/loop3", error -22 overlayfs: overlapping lowerdir path overlayfs: unrecognized mount option "uppereir=./bus-work~ir=./file1" or missing value overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. UBIFS error (pid: 28797): cannot open "/dev/loop4", error -22 overlayfs: unrecognized mount option "lo" or missing value UBIFS error (pid: 28827): cannot open "/dev/loop2", error -22 overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: missing 'lowerdir'