BUG: memory leak
unreferenced object 0xffff888044766000 (size 256):
  comm "syz-executor.2", pid 30864, jiffies 4296610379 (age 21.547s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 00 00 00 00 05 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000715251e4>] mas_alloc_nodes+0x36e/0x6a0
    [<000000009f2983cf>] mas_node_count+0x101/0x130
    [<00000000e5d107fd>] mas_expected_entries+0x10c/0x1b0
    [<00000000fa7da0d5>] dup_mmap+0x433/0xf80
    [<00000000415749ad>] dup_mm+0x91/0x370
    [<00000000b2e3c79f>] copy_process+0x697e/0x6da0
    [<000000003aa825e0>] kernel_clone+0xe7/0xa60
    [<00000000377d8b9b>] __do_sys_clone3+0x1dd/0x2e0
    [<0000000003aebfcf>] do_syscall_64+0x3b/0x90
    [<00000000135df1b4>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: leak checking failed