mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.net/syz0\x00', 0x1ff)
clone3(&(0x7f0000005880)={0x7b804100, 0x0, &(0x7f0000000280), 0x0, {0x1e}, 0x0, 0x0, &(0x7f0000000240)=""/10, 0x0}, 0x58)
BUG: memory leak
unreferenced object 0xffff88805353e200 (size 128):
  comm "syz-executor.0", pid 19969, jiffies 4296837910
  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