WinDbg shortcuts: .f+, .f-

CARE: Crash Analysis Report Environment

DATA (Dump Analysis + Trace Analysis) Facebook group
Please join the community of memory (dump) and trace analysis engineers. This group promotes scientific methods and memory dump-based worldview.

Twitter @ DumpAnalysis
You can now follow portal and blog news at DumpAnalysis on Twitter

LinkedIn Group Dr. Watson Enthusiasts
All about Dr. Watson errors and more. Get news, excerpts and progress reports about the forthcoming book The Science of Dr. Watson: An Illustrated History of Debugging (ISBN 978-1906717070)

2010 (0x7DA) - The Year of Dump Analysis
2011 (0x7DB) - 2020 (0x7E4) The Debugging Decade

These are handy shortcuts to .frame command. .f+ shifts the current frame index down the stack trace and .f- shifts it up towards the top. More information can be found in WinDbg help.

Here is an example from notepad process stack trace:

0:000> kn
 # ChildEBP RetAddr
00 001bfcfc 761ef837 ntdll!KiFastSystemCallRet
01 001bfd00 761ef86a USER32!NtUserGetMessage+0xc
02 001bfd1c 00c31418 USER32!GetMessageW+0x33
03 001bfd5c 00c3195d notepad!WinMain+0xec
04 001bfdec 76364911 notepad!_initterm_e+0x1a1
05 001bfdf8 76fde4b6 kernel32!BaseThreadInitThunk+0xe
06 001bfe38 76fde489 ntdll!__RtlUserThreadStart+0x23
07 001bfe50 00000000 ntdll!_RtlUserThreadStart+0x1b
0:000> .f+
01 001bfd00 761ef86a USER32!NtUserGetMessage+0xc
0:000> .f+
02 001bfd1c 00c31418 USER32!GetMessageW+0x33
0:000> .f+
03 001bfd5c 00c3195d notepad!WinMain+0xec
0:000> .f+
04 001bfdec 76364911 notepad!_initterm_e+0x1a1
0:000> .f-
03 001bfd5c 00c3195d notepad!WinMain+0xec
0:000> .f-
02 001bfd1c 00c31418 USER32!GetMessageW+0x33
0:000> .f-
01 001bfd00 761ef86a USER32!NtUserGetMessage+0xc
0:000> .f-
00 001bfcfc 761ef837 ntdll!KiFastSystemCallRet
0:000> .f-
         ^ Current frame index underflow '.f-'

- Dmitry Vostokov @ DumpAnalysis.org -

           

Announcements

Coming Soon:

Debugging Notebook: Essential Concepts, WinDbg Commands and Tools

Crash Dump Analysis for System Administrators and Support Engineers

New Magazines:

Debugged! MZ/PE: MagaZine for/from Practicing Engineers


New Books:

Memory Dump Analysis Anthology, Volume 3

First Fault Software Problem Solving: A Guide for Engineers, Managers and Users

x64 Windows Debugging: Practical Foundations

Also available:

Windows Debugging: Practical Foundations

DLL List Landscape: The Art from Computer Memory Space

Dumps, Bugs and Debugging Forensics: The Adventures of Dr. Debugalov

WinDbg: A Reference Poster and Learning Cards

Memory Dump Analysis Anthology, Volume 2

Memory Dump Analysis Anthology, Volume 1

New Children's Book:

Baby Turing

Leave a Reply