REISERFS (device loop0): Remounting filesystem read-only
REISERFS error (device loop0): vs-13080 reiserfs_new_directory: i/o failure occurred creating new directory
============================================
WARNING: possible recursive locking detected
5.15.176-syzkaller #0 Not tainted
--------------------------------------------
syz-executor296/4020 is trying to acquire lock:
ffff0000e1478980 (&type->i_mutex_dir_key#6/3){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:824 [inline]
ffff0000e1478980 (&type->i_mutex_dir_key#6/3){+.+.}-{3:3}, at: open_xa_root fs/reiserfs/xattr.c:127 [inline]
ffff0000e1478980 (&type->i_mutex_dir_key#6/3){+.+.}-{3:3}, at: open_xa_dir+0x11c/0x578 fs/reiserfs/xattr.c:152

but task is already holding lock:
ffff0000e147a400 (&type->i_mutex_dir_key#6/3){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:824 [inline]
ffff0000e147a400 (&type->i_mutex_dir_key#6/3){+.+.}-{3:3}, at: open_xa_dir+0x344/0x578 fs/reiserfs/xattr.c:160

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock(&type->i_mutex_dir_key#6/3);
  lock(&type->i_mutex_dir_key#6/3);

 *** DEADLOCK ***

 May be due to missing lock nesting notation

4 locks held by syz-executor296/4020:
 #0: ffff0000da5b8460 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:377
 #1: ffff0000e1479020 (&sb->s_type->i_mutex_key#17){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline]
 #1: ffff0000e1479020 (&sb->s_type->i_mutex_key#17){+.+.}-{3:3}, at: vfs_setxattr+0x17c/0x344 fs/xattr.c:302
 #2: ffff0000e147a400 (&type->i_mutex_dir_key#6/3){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:824 [inline]
 #2: ffff0000e147a400 (&type->i_mutex_dir_key#6/3){+.+.}-{3:3}, at: open_xa_dir+0x344/0x578 fs/reiserfs/xattr.c:160
 #3: ffff0000dbf90090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock_nested+0x68/0xd8 fs/reiserfs/lock.c:78

stack backtrace:
CPU: 0 PID: 4020 Comm: syz-executor296 Not tainted 5.15.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call trace:
 dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 __lock_acquire+0x62bc/0x7638 kernel/locking/lockdep.c:5012
 lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623
 down_write_nested+0xc0/0x130 kernel/locking/rwsem.c:1667
 inode_lock_nested include/linux/fs.h:824 [inline]
 open_xa_root fs/reiserfs/xattr.c:127 [inline]
 open_xa_dir+0x11c/0x578 fs/reiserfs/xattr.c:152
 reiserfs_for_each_xattr+0x16c/0x8d8 fs/reiserfs/xattr.c:252
 reiserfs_delete_xattrs+0x2c/0xa4 fs/reiserfs/xattr.c:364
 reiserfs_evict_inode+0x1dc/0x3f0 fs/reiserfs/inode.c:53
 evict+0x418/0x894 fs/inode.c:622
 iput_final fs/inode.c:1744 [inline]
 iput+0x744/0x824 fs/inode.c:1770
 reiserfs_new_inode+0xc24/0x1724 fs/reiserfs/inode.c:2164
 reiserfs_mkdir+0x4ac/0x77c fs/reiserfs/namei.c:845
 xattr_mkdir fs/reiserfs/xattr.c:76 [inline]
 open_xa_dir+0x484/0x578 fs/reiserfs/xattr.c:167
 xattr_lookup+0x3c/0x268 fs/reiserfs/xattr.c:395
 reiserfs_xattr_set_handle+0xe4/0xc10 fs/reiserfs/xattr.c:540
 reiserfs_xattr_set+0x398/0x4b0 fs/reiserfs/xattr.c:640
 trusted_set+0x98/0xec fs/reiserfs/xattr_trusted.c:31
 __vfs_setxattr+0x388/0x3a4 fs/xattr.c:182
 __vfs_setxattr_noperm+0x110/0x528 fs/xattr.c:216
 __vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:277
 vfs_setxattr+0x1a8/0x344 fs/xattr.c:303
 do_setxattr fs/xattr.c:588 [inline]
 setxattr+0x250/0x2b4 fs/xattr.c:611
 path_setxattr+0x17c/0x258 fs/xattr.c:630
 __do_sys_lsetxattr fs/xattr.c:653 [inline]
 __se_sys_lsetxattr fs/xattr.c:649 [inline]
 __arm64_sys_lsetxattr+0xbc/0xd8 fs/xattr.c:649
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584