setsockopt$inet6_tcp_int(r1, 0x6, 0x1e, &(0x7f0000000040)=0x1, 0x4)
connect$inet6(r1, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @empty, 0xfc}, 0x1c)
BUG: memory leak
unreferenced object 0xffff888008af08c0 (size 32):
  comm "syz-executor.1", pid 11247, jiffies 4296445956 (age 21.499s)
  hex dump (first 32 bytes):
    39 70 2d 66 63 61 6c 6c 2d 63 61 63 68 65 2d 38  9p-fcall-cache-8
    35 00 af 08 80 88 ff ff 10 00 00 00 00 00 00 00  5...............
  backtrace:
    [<0000000003097181>] kstrdup+0x36/0x70 mm/util.c:60
    [<0000000075136f55>] kstrdup_const+0x53/0x80 mm/util.c:83
    [<00000000a5545ccf>] kvasprintf_const+0x10c/0x1a0 lib/kasprintf.c:48
    [<0000000084ec23bd>] kobject_set_name_vargs+0x56/0x150 lib/kobject.c:297
    [<000000003f438b5f>] kobject_add_varg lib/kobject.c:392 [inline]
    [<000000003f438b5f>] kobject_init_and_add+0xc9/0x160 lib/kobject.c:481
    [<0000000009feff9a>] sysfs_slab_add+0x172/0x200 mm/slub.c:5626
    [<00000000168d7a4a>] __kmem_cache_create+0x3db/0x520 mm/slub.c:4445
    [<00000000874b5be3>] create_cache mm/slab_common.c:255 [inline]
    [<00000000874b5be3>] kmem_cache_create_usercopy+0x1db/0x2f0 mm/slab_common.c:350
    [<00000000e6d852cf>] p9_client_create+0xc6a/0x1230 net/9p/client.c:1074
    [<00000000fc21a9b9>] v9fs_session_init+0x1dd/0x1680 fs/9p/v9fs.c:406
    [<00000000251a773e>] v9fs_mount+0x79/0x8f0 fs/9p/vfs_super.c:126
    [<000000002300d830>] legacy_get_tree+0x105/0x220 fs/fs_context.c:593
    [<00000000fdf22bbb>] vfs_get_tree+0x8e/0x300 fs/super.c:1572
    [<000000006ece3bcb>] do_new_mount fs/namespace.c:2917 [inline]
    [<000000006ece3bcb>] path_mount+0x1429/0x2120 fs/namespace.c:3247
    [<00000000071c786b>] do_mount fs/namespace.c:3260 [inline]
    [<00000000071c786b>] __do_sys_mount fs/namespace.c:3468 [inline]
    [<00000000071c786b>] __se_sys_mount fs/namespace.c:3445 [inline]
    [<00000000071c786b>] __x64_sys_mount+0x282/0x300 fs/namespace.c:3445
    [<00000000e9597946>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46

BUG: leak checking failed