clone3(&(0x7f0000000180)={0x0, &(0x7f0000000000), 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x54) (fail_nth: 31)
BUG: memory leak
unreferenced object 0xffff88801758ee00 (size 256):
  comm "syz-executor.1", pid 11983, jiffies 4297140855 (age 22.361s)
  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:
    [<0000000057a45516>] mas_alloc_nodes+0x36e/0x6a0
    [<00000000953c06d0>] mas_node_count+0x101/0x130
    [<0000000055999afd>] mas_expected_entries+0x10c/0x1b0
    [<000000001e76f530>] dup_mmap+0x433/0xf80
    [<00000000de2b4edf>] dup_mm+0x91/0x370
    [<000000003cbe8fbb>] copy_process+0x6bbf/0x6d80
    [<0000000048167637>] kernel_clone+0xe7/0xa60
    [<00000000b89ac18a>] __do_sys_clone3+0x1cd/0x2d0
    [<00000000491e6e28>] do_syscall_64+0x3b/0x90
    [<0000000090f7d0f0>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

BUG: leak checking failed