bind$packet(r6, &(0x7f0000000240)={0x11, 0x0, r8, 0x1, 0x0, 0x6, @random="ca73da4133fc"}, 0x14)
write$selinux_attr(r5, &(0x7f00000001c0)='system_u:object_r:tty_device_t:s0\x00', 0x22)
sendfile(r6, r5, 0x0, 0x500000001)
BUG: memory leak
unreferenced object 0xffff8880183ced40 (size 32):
  comm "syz-executor.6", pid 26665, jiffies 4297313595 (age 21.844s)
  hex dump (first 32 bytes):
    39 70 2d 66 63 61 6c 6c 2d 63 61 63 68 65 2d 34  9p-fcall-cache-4
    39 33 00 18 80 88 ff ff 5f 74 00 73 30 00 00 00  93......_t.s0...
  backtrace:
    [<000000001ddbf842>] kstrdup+0x36/0x70 mm/util.c:60
    [<0000000037cea2a5>] kstrdup_const+0x53/0x80 mm/util.c:83
    [<000000008859a34a>] kvasprintf_const+0x10c/0x1a0 lib/kasprintf.c:48
    [<000000007b0ed13d>] kobject_set_name_vargs+0x56/0x150 lib/kobject.c:297
    [<00000000bf615fcd>] kobject_add_varg lib/kobject.c:392 [inline]
    [<00000000bf615fcd>] kobject_init_and_add+0xc9/0x160 lib/kobject.c:481
    [<0000000066234aeb>] sysfs_slab_add+0x172/0x200 mm/slub.c:5626
    [<0000000047be2852>] __kmem_cache_create+0x3db/0x520 mm/slub.c:4445
    [<0000000018ee7827>] create_cache mm/slab_common.c:255 [inline]
    [<0000000018ee7827>] kmem_cache_create_usercopy+0x1db/0x2f0 mm/slab_common.c:350
    [<0000000017c631d1>] p9_client_create+0xc6a/0x1230 net/9p/client.c:1074
    [<0000000046be3de1>] v9fs_session_init+0x1dd/0x1680 fs/9p/v9fs.c:406
    [<000000006aa6a2f7>] v9fs_mount+0x79/0x8f0 fs/9p/vfs_super.c:126
    [<00000000e667e6cd>] legacy_get_tree+0x105/0x220 fs/fs_context.c:593
    [<00000000080f7ca1>] vfs_get_tree+0x8e/0x300 fs/super.c:1572
    [<00000000cf622970>] do_new_mount fs/namespace.c:2919 [inline]
    [<00000000cf622970>] path_mount+0x1331/0x21c0 fs/namespace.c:3249
    [<000000006791d24c>] do_mount fs/namespace.c:3262 [inline]
    [<000000006791d24c>] __do_sys_mount fs/namespace.c:3470 [inline]
    [<000000006791d24c>] __se_sys_mount fs/namespace.c:3447 [inline]
    [<000000006791d24c>] __x64_sys_mount+0x282/0x300 fs/namespace.c:3447
    [<000000009a6bde86>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46

BUG: leak checking failed