VREDIR.386 from windows 3.11 doesn't load

[korneliuszo]

Executable used
VREDIR.386 from windows 3.11

Ghidra
10.2

Describe the bug
Doesn't load anything.

[yetmorecode]

For the record, it looks like object 2 in the exe has a "zeroed" page, which causes the loader to fail

Version` 2.0 beta Mar 16 2026 04:02:48 (16-bit)
Copyright (c) 2002-2026 The Open Watcom Contributors. All Rights Reserved.
Portions Copyright (c) 1984-2002 Sybase, Inc. All Rights Reserved.
Source code is available under the Sybase Open Watcom Public License.
See https://github.com/open-watcom/open-watcom-v2#readme for details.

                                DOS EXE Header                                
==============================================================================
length of load module mod 200H                       =     010AH
number of 200H pages in load module                  =     00A7H
number of relocation items                           =     0000H
size of header in paragraphs                         =     0004H
minimum number of paragraphs required above load mod =     0000H
maximum number of paragraphs required above load mod =     FFFFH
offset of stack segment in load module               =     0000H
initial value of SP                                  =     00B8H
checksum                                             =     0000H
initial value of IP                                  =     0000H
offset of code segment within load module (segment)  =     0000H
file offset of first relocation item                 =     0040H
overlay number                                       =     0000H
load module length                                   = 00004D0AH

                      Linear EXE Header (OS/2 V2.x) - LE                      
==============================================================================
file offset = 00000080H

byte order (0==little endian, 1==big endian)      =       00H
word order       "                "               =       00H
linear EXE format level                           = 00000000H
cpu type                                          =     0002H
os type (1==OS/2, 2==Windows, 3==DOS4, 4==Win386) =     0004H
module version                                    = 00000000H
module flags                                      = 00008020H
# module pages                                    = 00000014H
object # for initial EIP                          = 00000004H
initial EIP                                       = 00000000H
object # for initial ESP                          = 00000000H
initial ESP                                       = 00000000H
page size                                         = 00001000H
last page size (LE)/page shift (LX)               = 000000DCH
fixup section size                                = 000019C6H
fixup section checksum                            = 00000000H
loader section size                               = 000000C9H
loader section checksum                           = 00000000H
object table offset                               = 000000C4H
# of objects in module                            = 00000004H
object page map offset                            = 00000124H
object iterated data map offset                   = 00000000H
offset of resource table                          = 00000000H
# of resource entries                             = 00000000H
offset of resident name table                     = 00000178H
offset of entry table                             = 00000182H
offset of module directive table                  = 00000000H
# of module directives                            = 00000000H
offset of fixup page table                        = 0000018DH
offset of fixup record table                      = 000001E1H
offset of import module name table                = 00001B51H
# of entries in import module name table          = 00000000H
offset of import procedure name table             = 00001B52H
offset of per-page checksum table                 = 00000000H
offset of enumerated data pages                   = 00001C00H
# of pre-load pages                               = 00000011H
offset of non-resident names table (rel file)     = 00014CDCH
size of non-resident names table                  = 0000002EH
non-resident names table checksum                 = 00000000H
object # for automatic data object                = 00000002H
offset of the debugging information               = 00000000H
size of the debugging information                 = 00000000H
# of instance pages in the preload section        = 00000000H
# of instance pages in the demand load section    = 00000000H
size of heap (for 16-bit apps)                    = 00000000H
size of stack                                     = 00000000H
Module Flags = LIBRARY | NO_EXT_FIXUPS

                                 Object Table                                 
==============================================================================
object  1: virtual memory size             = 0000F8B5H
          relocation base address          = 00000000H
          object flag bits                 = 00002045H
          object page table index          = 00000001H
          # of object page table entries   = 00000010H
          reserved                         = 00000000H
          flags = READABLE|EXECUTABLE|PRELOAD|BIG
    page #   1  map page = 000001H file ofs = 00001C00H flgs = 00H Valid
    page #   2  map page = 000002H file ofs = 00002C00H flgs = 00H Valid
    page #   3  map page = 000003H file ofs = 00003C00H flgs = 00H Valid
    page #   4  map page = 000004H file ofs = 00004C00H flgs = 00H Valid
    page #   5  map page = 000005H file ofs = 00005C00H flgs = 00H Valid
    page #   6  map page = 000006H file ofs = 00006C00H flgs = 00H Valid
    page #   7  map page = 000007H file ofs = 00007C00H flgs = 00H Valid
    page #   8  map page = 000008H file ofs = 00008C00H flgs = 00H Valid
    page #   9  map page = 000009H file ofs = 00009C00H flgs = 00H Valid
    page #  10  map page = 00000AH file ofs = 0000AC00H flgs = 00H Valid
    page #  11  map page = 00000BH file ofs = 0000BC00H flgs = 00H Valid
    page #  12  map page = 00000CH file ofs = 0000CC00H flgs = 00H Valid
    page #  13  map page = 00000DH file ofs = 0000DC00H flgs = 00H Valid
    page #  14  map page = 00000EH file ofs = 0000EC00H flgs = 00H Valid
    page #  15  map page = 00000FH file ofs = 0000FC00H flgs = 00H Valid
    page #  16  map page = 000010H file ofs = 00010C00H flgs = 00H Valid

object  2: virtual memory size             = 000011D8H
          relocation base address          = 00010000H
          object flag bits                 = 00002063H
          object page table index          = 00000011H
          # of object page table entries   = 00000002H
          reserved                         = 00000000H
          flags = READABLE|WRITABLE|SHARED|PRELOAD|BIG
    page #  17  map page = 000011H file ofs = 00011C00H flgs = 00H Valid
    **page #  18  map page = 000000H file ofs = 00000000H flgs = 03H Zeroed**

object  3: virtual memory size             = 00001471H
          relocation base address          = 00012000H
          object flag bits                 = 00002015H
          object page table index          = 00000013H
          # of object page table entries   = 00000002H
          reserved                         = 00000000H
          flags = READABLE|EXECUTABLE|DISCARDABLE|BIG
    page #  19  map page = 000012H file ofs = 00012C00H flgs = 00H Valid
    page #  20  map page = 000013H file ofs = 00013C00H flgs = 00H Valid

object  4: virtual memory size             = 0000015CH
          relocation base address          = 00014000H
          object flag bits                 = 00001005H
          object page table index          = 00000015H
          # of object page table entries   = 00000001H
          reserved                         = 00000000H
          flags = READABLE|EXECUTABLE|16:16_ALIAS
    page #  21  map page = 000014H file ofs = 00014C00H flgs = 00H Valid

                             Resident Names Table                             
==============================================================================
ordinal 0000: VRedir

                               Fixup Page Table                               
==============================================================================
  0:00000000       1:000000C2       2:00000169       3:000002D3
  4:00000414       5:000004D5       6:000005B1       7:00000657
  8:000006F8       9:0000083B      10:000009CB      11:00000B27
 12:00000C2D      13:00000D63      14:00000EB3      15:00000FD5
 16:00001116      17:000012C0      18:000017F1      19:00001970
 20:00001970

                              Entry Point Table                               
==============================================================================

number of entries in bundle = 01
type = 03  ENTRY32
object number = 0001

ordinal = 0001   flags = 03   offset = 0000F7F0  EXPORTED  SHARED DATA


                           Nonresident Names Table                            
==============================================================================
ordinal 0000: Redirector File System Driver
ordinal 0001: VRedir_DDB