why this? Exception code: C0000005 ACCESS_VIOLATION

[Vasuki]

Hi

My application crashes all of a sudden giving me the following error.

Can anybody help please?

Exception code: C0000005 ACCESS_VIOLATION
Fault address: 77FCE005 03:00002005 C:\WINNT\system32\ntdll.dll
EAX:17020000 EBX:16400000 ECX:0000037F EDX:00000020 ESI:04120000 EDI:16FA0AD8
CS:EIP:001B:77FCE005 SS:ESP:0023:0012F3AC EBP:0012F3E4 DS:0023 ES:0023
FS:003B GS:0000 Flags:00010202

Call stack:

NOTE:All numeric values are in HEX(base 16) except for line number which is
in decimal (base 10)
Users not familar with assembly language should only use "FunctionName" column

Address Frame RetAdr Param#1 Param#2 Param#3 Param#4 FunctionName
(EIP) (EBP) (EBP+8) (EBP+C) (EBP+10) (EBP+14)

77fce005 0012f3e4 77f89e48 16fa1000 0007f000 000000a5 16fa0ad8
Func:RtlDestroyHeap(),Disp:9C1,Module:C:\WINNT\sys tem32\ntdll.dll,Section:Offset:0003:00002005
77f89e48 0012f404 77fccdb6 000001ba 7c0010eb 000016a8 ffffffff
Func:RtlExpandEnvironmentStrings_U(),Disp:3CF,Modu le:C:\WINNT\system32\ntdll.dll,Section:Offset:0001 :00008E48
77fccdb6 0012f5dc 7c0010d3 04120000 00000000 000016a8 7c0010eb
Func:RtlSizeHeap(),Disp:15C,Module:C:\WINNT\system 32\ntdll.dll,Section:Offset:0003:00000DB6
7c0010d3 0012f61c 7c00107b 000016a8 7c0010fa 000016a8 00000000
Func:EH_prolog(),Disp:D3,Module:C:\WINNT\system32\ MSVCR70.dll,Section:Offset:0001:000000D3
7c00107b 000016a8 00000000 00000000 00000000 00000000 00000000
Func:EH_prolog(),Disp:7B,Module:C:\WINNT\system32\ MSVCR70.dll,Section:Offset:0001:0000007B

[Oleg Starodumov]

My application crashes all of a sudden giving me the following error.

Can anybody help please?

Exception code: C0000005 ACCESS_VIOLATION
Fault address: 77FCE005 03:00002005 C:\WINNT\system32\ntdll.dll
EAX:17020000 EBX:16400000 ECX:0000037F EDX:00000020 ESI:04120000 EDI:16FA0AD8
CS:EIP:001B:77FCE005 SS:ESP:0023:0012F3AC EBP:0012F3E4 DS:0023 ES:0023
FS:003B GS:0000 Flags:00010202

Exception in ntdll.dll often can be a sign of heap corruption.
Try to test the application with PageHeap (see the link below) or any
other suitable runtime checker.

http://www.debuginfo.com/tips/userbpntdll.html

--
Oleg
[VC++ MVP http://www.debuginfo.com/]