BUG: memory leak
unreferenced object 0xffff88810cbf88c0 (size 32):
  comm "syz-executor769", pid 8485, jiffies 4294943789 (age 12.370s)
  hex dump (first 32 bytes):
    6c 6f 6f 70 30 00 00 00 00 00 00 00 00 00 00 00  loop0...........
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000037b566cf>] kstrdup+0x36/0x70 mm/util.c:60
    [<00000000947edacf>] kstrdup_const+0x53/0x80 mm/util.c:83
    [<00000000eaa724e4>] kvasprintf_const+0xc2/0x110 lib/kasprintf.c:48
    [<00000000d678b27f>] kobject_set_name_vargs+0x3b/0xe0 lib/kobject.c:289
    [<00000000a45b2aec>] kobject_add_varg lib/kobject.c:384 [inline]
    [<00000000a45b2aec>] kobject_init_and_add+0x6d/0xc0 lib/kobject.c:473
    [<000000008d0d9474>] nilfs_sysfs_create_device_group+0x98/0x3a0 fs/nilfs2/sysfs.c:999
    [<00000000a757fe7d>] init_nilfs+0x520/0x680 fs/nilfs2/the_nilfs.c:637
    [<000000006bb83e62>] nilfs_fill_super fs/nilfs2/super.c:1046 [inline]
    [<000000006bb83e62>] nilfs_mount+0x51b/0x890 fs/nilfs2/super.c:1316
    [<00000000f646c05e>] legacy_get_tree+0x2b/0x90 fs/fs_context.c:592
    [<00000000d493c19f>] vfs_get_tree+0x28/0x100 fs/super.c:1496
    [<000000009e3e14b8>] do_new_mount fs/namespace.c:2878 [inline]
    [<000000009e3e14b8>] path_mount+0xc5e/0x1170 fs/namespace.c:3208
    [<00000000559662bb>] do_mount fs/namespace.c:3221 [inline]
    [<00000000559662bb>] __do_sys_mount fs/namespace.c:3429 [inline]
    [<00000000559662bb>] __se_sys_mount fs/namespace.c:3406 [inline]
    [<00000000559662bb>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3406
    [<00000000995d942d>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000000f473ed4>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88810b83cc80 (size 32):
  comm "syz-executor769", pid 8491, jiffies 4294944307 (age 7.190s)
  hex dump (first 32 bytes):
    6c 6f 6f 70 30 00 00 00 00 00 00 00 00 00 00 00  loop0...........
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000037b566cf>] kstrdup+0x36/0x70 mm/util.c:60
    [<00000000947edacf>] kstrdup_const+0x53/0x80 mm/util.c:83
    [<00000000eaa724e4>] kvasprintf_const+0xc2/0x110 lib/kasprintf.c:48
    [<00000000d678b27f>] kobject_set_name_vargs+0x3b/0xe0 lib/kobject.c:289
    [<00000000a45b2aec>] kobject_add_varg lib/kobject.c:384 [inline]
    [<00000000a45b2aec>] kobject_init_and_add+0x6d/0xc0 lib/kobject.c:473
    [<000000008d0d9474>] nilfs_sysfs_create_device_group+0x98/0x3a0 fs/nilfs2/sysfs.c:999
    [<00000000a757fe7d>] init_nilfs+0x520/0x680 fs/nilfs2/the_nilfs.c:637
    [<000000006bb83e62>] nilfs_fill_super fs/nilfs2/super.c:1046 [inline]
    [<000000006bb83e62>] nilfs_mount+0x51b/0x890 fs/nilfs2/super.c:1316
    [<00000000f646c05e>] legacy_get_tree+0x2b/0x90 fs/fs_context.c:592
    [<00000000d493c19f>] vfs_get_tree+0x28/0x100 fs/super.c:1496
    [<000000009e3e14b8>] do_new_mount fs/namespace.c:2878 [inline]
    [<000000009e3e14b8>] path_mount+0xc5e/0x1170 fs/namespace.c:3208
    [<00000000559662bb>] do_mount fs/namespace.c:3221 [inline]
    [<00000000559662bb>] __do_sys_mount fs/namespace.c:3429 [inline]
    [<00000000559662bb>] __se_sys_mount fs/namespace.c:3406 [inline]
    [<00000000559662bb>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3406
    [<00000000995d942d>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000000f473ed4>] entry_SYSCALL_64_after_hwframe+0x44/0xa9