writev(r0, &(0x7f0000001900)=[{&(0x7f0000000780)="c2190acfd5e9912929ca99136e8b4027b6cac2b11bde700919b94b2e003f", 0x1e}], 0x1)
BUG: memory leak
unreferenced object 0xffff88800d893300 (size 128):
  comm "syz-executor.4", pid 54922, jiffies 4298169908
  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