io_submit(r3, 0x1, &(0x7f00000003c0)=[&(0x7f0000000280)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f00000000c0)="d8", 0x1}])
BUG: memory leak
unreferenced object 0xffff88800e332600 (size 128):
  comm "syz-executor.4", pid 41542, jiffies 4296803303
  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