BUG: memory leak
unreferenced object 0xffff88810ed25c00 (size 32):
  comm "syz-executor.0", pid 8659, jiffies 4295045585 (age 12.890s)
  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:
    [<ffffffff81472266>] kstrdup+0x36/0x70 mm/util.c:60
    [<ffffffff814722f3>] kstrdup_const+0x53/0x80 mm/util.c:83
    [<ffffffff82257df2>] kvasprintf_const+0xc2/0x110 lib/kasprintf.c:48
    [<ffffffff8231f40b>] kobject_set_name_vargs+0x3b/0xe0 lib/kobject.c:289
    [<ffffffff8231f89d>] kobject_add_varg lib/kobject.c:384 [inline]
    [<ffffffff8231f89d>] kobject_init_and_add+0x6d/0xc0 lib/kobject.c:473
    [<ffffffff81d218f8>] nilfs_sysfs_create_device_group+0x98/0x3a0 fs/nilfs2/sysfs.c:999
    [<ffffffff81d0a630>] init_nilfs+0x520/0x680 fs/nilfs2/the_nilfs.c:637
    [<ffffffff81cf7d9b>] nilfs_fill_super fs/nilfs2/super.c:1046 [inline]
    [<ffffffff81cf7d9b>] nilfs_mount+0x51b/0x890 fs/nilfs2/super.c:1316
    [<ffffffff815c043b>] legacy_get_tree+0x2b/0x90 fs/fs_context.c:592
    [<ffffffff8155d628>] vfs_get_tree+0x28/0x100 fs/super.c:1498
    [<ffffffff8159dd9e>] do_new_mount fs/namespace.c:2905 [inline]
    [<ffffffff8159dd9e>] path_mount+0xc3e/0x1110 fs/namespace.c:3235
    [<ffffffff8159e9be>] do_mount fs/namespace.c:3248 [inline]
    [<ffffffff8159e9be>] __do_sys_mount fs/namespace.c:3456 [inline]
    [<ffffffff8159e9be>] __se_sys_mount fs/namespace.c:3433 [inline]
    [<ffffffff8159e9be>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3433
    [<ffffffff84330a6a>] do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
    [<ffffffff84400068>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff8881141be980 (size 32):
  comm "syz-executor.0", pid 8665, jiffies 4295045594 (age 12.800s)
  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:
    [<ffffffff81472266>] kstrdup+0x36/0x70 mm/util.c:60
    [<ffffffff814722f3>] kstrdup_const+0x53/0x80 mm/util.c:83
    [<ffffffff82257df2>] kvasprintf_const+0xc2/0x110 lib/kasprintf.c:48
    [<ffffffff8231f40b>] kobject_set_name_vargs+0x3b/0xe0 lib/kobject.c:289
    [<ffffffff8231f89d>] kobject_add_varg lib/kobject.c:384 [inline]
    [<ffffffff8231f89d>] kobject_init_and_add+0x6d/0xc0 lib/kobject.c:473
    [<ffffffff81d218f8>] nilfs_sysfs_create_device_group+0x98/0x3a0 fs/nilfs2/sysfs.c:999
    [<ffffffff81d0a630>] init_nilfs+0x520/0x680 fs/nilfs2/the_nilfs.c:637
    [<ffffffff81cf7d9b>] nilfs_fill_super fs/nilfs2/super.c:1046 [inline]
    [<ffffffff81cf7d9b>] nilfs_mount+0x51b/0x890 fs/nilfs2/super.c:1316
    [<ffffffff815c043b>] legacy_get_tree+0x2b/0x90 fs/fs_context.c:592
    [<ffffffff8155d628>] vfs_get_tree+0x28/0x100 fs/super.c:1498
    [<ffffffff8159dd9e>] do_new_mount fs/namespace.c:2905 [inline]
    [<ffffffff8159dd9e>] path_mount+0xc3e/0x1110 fs/namespace.c:3235
    [<ffffffff8159e9be>] do_mount fs/namespace.c:3248 [inline]
    [<ffffffff8159e9be>] __do_sys_mount fs/namespace.c:3456 [inline]
    [<ffffffff8159e9be>] __se_sys_mount fs/namespace.c:3433 [inline]
    [<ffffffff8159e9be>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3433
    [<ffffffff84330a6a>] do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
    [<ffffffff84400068>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff888110870060 (size 32):
  comm "syz-executor.0", pid 8671, jiffies 4295046120 (age 7.540s)
  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:
    [<ffffffff81472266>] kstrdup+0x36/0x70 mm/util.c:60
    [<ffffffff814722f3>] kstrdup_const+0x53/0x80 mm/util.c:83
    [<ffffffff82257df2>] kvasprintf_const+0xc2/0x110 lib/kasprintf.c:48
    [<ffffffff8231f40b>] kobject_set_name_vargs+0x3b/0xe0 lib/kobject.c:289
    [<ffffffff8231f89d>] kobject_add_varg lib/kobject.c:384 [inline]
    [<ffffffff8231f89d>] kobject_init_and_add+0x6d/0xc0 lib/kobject.c:473
    [<ffffffff81d218f8>] nilfs_sysfs_create_device_group+0x98/0x3a0 fs/nilfs2/sysfs.c:999
    [<ffffffff81d0a630>] init_nilfs+0x520/0x680 fs/nilfs2/the_nilfs.c:637
    [<ffffffff81cf7d9b>] nilfs_fill_super fs/nilfs2/super.c:1046 [inline]
    [<ffffffff81cf7d9b>] nilfs_mount+0x51b/0x890 fs/nilfs2/super.c:1316
    [<ffffffff815c043b>] legacy_get_tree+0x2b/0x90 fs/fs_context.c:592
    [<ffffffff8155d628>] vfs_get_tree+0x28/0x100 fs/super.c:1498
    [<ffffffff8159dd9e>] do_new_mount fs/namespace.c:2905 [inline]
    [<ffffffff8159dd9e>] path_mount+0xc3e/0x1110 fs/namespace.c:3235
    [<ffffffff8159e9be>] do_mount fs/namespace.c:3248 [inline]
    [<ffffffff8159e9be>] __do_sys_mount fs/namespace.c:3456 [inline]
    [<ffffffff8159e9be>] __se_sys_mount fs/namespace.c:3433 [inline]
    [<ffffffff8159e9be>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3433
    [<ffffffff84330a6a>] do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
    [<ffffffff84400068>] entry_SYSCALL_64_after_hwframe+0x44/0xae