r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0)
write$binfmt_aout(r0, &(0x7f0000001180)=ANY=[], 0x220)
truncate(&(0x7f0000000080)='./file1\x00', 0x0)
BUG: memory leak
unreferenced object 0xffff88800e309000 (size 256):
  comm "syz-executor.6", pid 5683, jiffies 4295305587 (age 23.759s)
  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:
    [<00000000f896fa63>] mas_alloc_nodes+0x36e/0x6a0
    [<000000000dc7c153>] mas_node_count+0x101/0x130
    [<00000000079403fa>] mas_expected_entries+0x10c/0x1b0
    [<000000006df9a7fd>] dup_mmap+0x433/0xf80
    [<0000000071928a97>] dup_mm+0x91/0x370
    [<00000000bebdd81b>] copy_process+0x6bb9/0x6d80
    [<00000000b4f9451b>] kernel_clone+0xe7/0xa60
    [<000000001f3acd0a>] __do_sys_clone3+0x1cd/0x2d0
    [<000000006338e84c>] do_syscall_64+0x3b/0x90
    [<00000000433ff13d>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

BUG: memory leak
unreferenced object 0xffff88803c5b0200 (size 256):
  comm "syz-executor.3", pid 5707, jiffies 4295305951 (age 23.395s)
  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:
    [<00000000f896fa63>] mas_alloc_nodes+0x36e/0x6a0
    [<000000000dc7c153>] mas_node_count+0x101/0x130
    [<00000000079403fa>] mas_expected_entries+0x10c/0x1b0
    [<000000006df9a7fd>] dup_mmap+0x433/0xf80
    [<0000000071928a97>] dup_mm+0x91/0x370
    [<00000000bebdd81b>] copy_process+0x6bb9/0x6d80
    [<00000000b4f9451b>] kernel_clone+0xe7/0xa60
    [<000000001f3acd0a>] __do_sys_clone3+0x1cd/0x2d0
    [<000000006338e84c>] do_syscall_64+0x3b/0x90
    [<00000000433ff13d>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

BUG: leak checking failed