openat$tun(0xffffffffffffff9c, &(0x7f0000000200), 0x60600, 0x0)
r6 = openat$cgroup_type(r3, &(0x7f00000001c0), 0x2, 0x0)
ioctl$FS_IOC_RESVSP(r6, 0x40305828, &(0x7f0000000240)={0x0, 0x3, 0x5, 0x3c})
BUG: memory leak
unreferenced object 0xffff888017d6c200 (size 128):
  comm "syz-executor.1", pid 106835, jiffies 4296577054
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 96bdc52d):
    __kmalloc_cache_noprof+0x4a4/0x780
    v9fs_init_fs_context+0x49/0x5b0
    alloc_fs_context+0x56d/0xb10
    path_mount+0xd8d/0x2140
    __x64_sys_mount+0x293/0x310
    do_syscall_64+0xbf/0x420
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: leak checking failed