vent_open(&(0x7f0000000100)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x4, 0x9, 0x7fffffff, 0x101, 0x0, 0x7, 0x0, 0x9}, 0x0, 0x4, r0, 0x3)
BUG: memory leak
unreferenced object 0xffff88805b8a4c00 (size 128):
  comm "syz-executor.0", pid 189721, jiffies 4295576520
  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+0x580/0xb20
    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