BUG: memory leak
unreferenced object 0xffff88800e935c00 (size 256):
  comm "syz-executor.5", pid 35464, jiffies 4297201267 (age 21.778s)
  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:
    [<000000001e7d21aa>] mas_alloc_nodes+0x36e/0x6a0
    [<0000000051636ae3>] mas_node_count+0x101/0x130
    [<0000000000edc895>] mas_expected_entries+0x10c/0x1b0
    [<00000000b84589c9>] dup_mmap+0x433/0xf80
    [<0000000035c88ec1>] dup_mm+0x91/0x370
    [<0000000063980d9a>] copy_process+0x6bb9/0x6d80
    [<000000006f94d4fa>] kernel_clone+0xe7/0xa60
    [<0000000067c16d68>] __do_sys_clone+0xba/0x100
    [<0000000044170059>] do_syscall_64+0x3b/0x90
    [<000000000e27ff25>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

BUG: leak checking failed