BUG: memory leak unreferenced object 0xffff888111089ca0 (size 32): comm "syz-executor348", pid 8497, jiffies 4294945054 (age 8.070s) 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: [<00000000317f6f0b>] kstrdup+0x36/0x70 mm/util.c:60 [<00000000985e82fb>] kstrdup_const+0x53/0x80 mm/util.c:83 [<00000000c2cf1e78>] kvasprintf_const+0xc2/0x110 lib/kasprintf.c:48 [<000000002a14a4b6>] kobject_set_name_vargs+0x3b/0xe0 lib/kobject.c:289 [<00000000b7e9e5d7>] kobject_add_varg lib/kobject.c:384 [inline] [<00000000b7e9e5d7>] kobject_init_and_add+0x6d/0xc0 lib/kobject.c:473 [<0000000078840e87>] nilfs_sysfs_create_device_group+0x98/0x3a0 fs/nilfs2/sysfs.c:999 [<000000002053cf2c>] init_nilfs+0x523/0x680 fs/nilfs2/the_nilfs.c:637 [<00000000214ea7ec>] nilfs_fill_super fs/nilfs2/super.c:1046 [inline] [<00000000214ea7ec>] nilfs_mount+0x51b/0x890 fs/nilfs2/super.c:1316 [<00000000f8c3281a>] legacy_get_tree+0x2b/0x90 fs/fs_context.c:592 [<00000000d8a96cd0>] vfs_get_tree+0x28/0x100 fs/super.c:1549 [<00000000b7345ffd>] do_new_mount fs/namespace.c:2875 [inline] [<00000000b7345ffd>] path_mount+0xc5e/0x1170 fs/namespace.c:3205 [<000000002ddfb897>] do_mount fs/namespace.c:3218 [inline] [<000000002ddfb897>] __do_sys_mount fs/namespace.c:3426 [inline] [<000000002ddfb897>] __se_sys_mount fs/namespace.c:3403 [inline] [<000000002ddfb897>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3403 [<000000006607b7e7>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<0000000037769e47>] entry_SYSCALL_64_after_hwframe+0x44/0xa9