clone3(&(0x7f0000000280)={0x123363500, &(0x7f00000000c0)=<r1=>0xffffffffffffffff, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58)
poll(&(0x7f0000000140)=[{r1, 0x608}], 0x1, 0x5)
r2 = ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0x10000)
ioctl$KDGKBDIACR(r2, 0x4b4a, &(0x7f0000000040)=""/22)
BUG: memory leak
unreferenced object 0xffff88801dc11600 (size 256):
  comm "syz-executor.4", pid 27600, jiffies 4296847499 (age 20.433s)
  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:
    [<00000000894a43cd>] mas_alloc_nodes+0x36e/0x6a0
    [<00000000669278ab>] mas_node_count+0x101/0x130
    [<000000001a9076ad>] mas_expected_entries+0x10c/0x1b0
    [<00000000b2ab3c56>] dup_mmap+0x433/0xf80
    [<00000000c02afcf1>] dup_mm+0x91/0x370
    [<000000009cc8dd4d>] copy_process+0x6bb9/0x6d80
    [<0000000024f031ed>] kernel_clone+0xe7/0xa70
    [<00000000eee0006e>] __do_sys_clone3+0x1cd/0x2d0
    [<00000000a489684f>] do_syscall_64+0x3b/0x90
    [<000000003ff7beb3>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

BUG: leak checking failed