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Announcements and discussion for afl-fuzz. Perhaps several threads per week.

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Jan 29

Format for providing inputs for argv fuzzing ?

Hi, The argv-fuzz-inl.h reads: This will cause the program to read NUL-delimited input from stdin and

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Format for providing inputs for argv fuzzing ?

Hi, The argv-fuzz-inl.h reads: This will cause the program to read NUL-delimited input from stdin and

Jan 29

Evan Sherlock, Marc Heuse2

Jan 29

Better understanding AFL++. Please help!

Why don't you read the extensive documentation of afl++? That would answer most your questions

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Better understanding AFL++. Please help!

Why don't you read the extensive documentation of afl++? That would answer most your questions

Jan 29

Jan 29

How to make AFL compile to generate a cross-compilation tool, so that the instrumented binary file

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How to make AFL compile to generate a cross-compilation tool, so that the instrumented binary file

Jan 29

12/28/23

cycles done' colors meaning

Hello, when i'm fuzzing some functions with AFL++ i've noticed the "cycled done" is

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cycles done' colors meaning

Hello, when i'm fuzzing some functions with AFL++ i've noticed the "cycled done" is

12/28/23

jiacheng, Nikolay Shaplov2

12/28/23

Need help with a valid input file while running AFL++

В письме от понедельник, 18 декабря 2023 г. 18:18:50 MSK пользователь jiacheng написал: > //

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Need help with a valid input file while running AFL++

В письме от понедельник, 18 декабря 2023 г. 18:18:50 MSK пользователь jiacheng написал: > //

12/28/23

stefan hansan, Nikolay Shaplov2

12/9/23

Is there a reason the file .cur_input is not being created in aflplusplus in Unicorn mode?

В письме от вторник, 5 декабря 2023 г. 20:49:09 MSK пользователь stefan hansan написал: > Hey,

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Is there a reason the file .cur_input is not being created in aflplusplus in Unicorn mode?

В письме от вторник, 5 декабря 2023 г. 20:49:09 MSK пользователь stefan hansan написал: > Hey,

12/9/23

11/20/23

AFL Patch out of range

source code https://github.com/quarkslab/android-fuzzing/tree/main/wlinked_jni On Tuesday, November

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AFL Patch out of range

source code https://github.com/quarkslab/android-fuzzing/tree/main/wlinked_jni On Tuesday, November

11/20/23

9/9/23

Issue: afl-frida-trace.so crashing all binaries on Android ARM64 (Github #1856)

I am trying to figure out this issue I am having: Running any binary with LD_PRELOAD=afl-frida-trace.

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Issue: afl-frida-trace.so crashing all binaries on Android ARM64 (Github #1856)

I am trying to figure out this issue I am having: Running any binary with LD_PRELOAD=afl-frida-trace.

9/9/23

L R, dome...@gmail.com3

9/5/23

Is it possible to compile V8 with afl++?

I made it. Thanks Best Lily On Sunday, September 3, 2023 at 4:04:18 AM UTC+8 dome...@gmail.com wrote:

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Is it possible to compile V8 with afl++?

I made it. Thanks Best Lily On Sunday, September 3, 2023 at 4:04:18 AM UTC+8 dome...@gmail.com wrote:

9/5/23

L R, Nikolay Shaplov4

8/31/23

Unable to compile SpiderMonkey with afl-clang-fast

Hi, I used AFL++ and everything works. Thanks. On Sunday, August 20, 2023 at 8:16:05 PM UTC+8 Nikolay

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Unable to compile SpiderMonkey with afl-clang-fast

Hi, I used AFL++ and everything works. Thanks. On Sunday, August 20, 2023 at 8:16:05 PM UTC+8 Nikolay

8/31/23

shaw wu, … Richo Healey3

7/21/23

How to record each output during fuzzing?

Rather than doing all that IO, I would just hash your output and enter that into the coverage bitmap.

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How to record each output during fuzzing?

Rather than doing all that IO, I would just hash your output and enter that into the coverage bitmap.

7/21/23

Benjamin Kallus, … Connor Shugg6

7/10/23

Toggling Control Flow Tracing

Thank you. That does sound more accurate, but we're okay introducing a little noise into the

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Toggling Control Flow Tracing

Thank you. That does sound more accurate, but we're okay introducing a little noise into the

7/10/23

6/19/23

Quick Introduction to fuzzing with AFL++

Hello fuzzers ! I wrote a small introduction to fuzzing using AFL++ . Maybe you can gain some

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Quick Introduction to fuzzing with AFL++

Hello fuzzers ! I wrote a small introduction to fuzzing using AFL++ . Maybe you can gain some

6/19/23

Pierre Abbat, … Jakub Wilk3

5/18/23

Updated the git repo on another computer

* Pierre Abbat <ph...@bezitopo.org>, 2023-04-19 12:16: >I copied the AFLplusplus repo to

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Updated the git repo on another computer

* Pierre Abbat <ph...@bezitopo.org>, 2023-04-19 12:16: >I copied the AFLplusplus repo to

5/18/23

George Trabucchi, Marc2

5/6/23

Running AFL++ on clang-instrumented binary

Hi, a) AFL++ works with clang's sanitize-coverage too (it's call `native` there: `

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Running AFL++ on clang-instrumented binary

Hi, a) AFL++ works with clang's sanitize-coverage too (it's call `native` there: `

5/6/23

László Szekeres

5/5/23

10 days left to submit your fuzzing research to FUZZING'23!

Dear Fuzzing Enthusiasts, We wanted to remind you that the deadline for submitting your fuzzing

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10 days left to submit your fuzzing research to FUZZING'23!

Dear Fuzzing Enthusiasts, We wanted to remind you that the deadline for submitting your fuzzing

5/5/23

Tanvi Allada, Connor Shugg2

4/19/23

Hi Tanvi, I'm not quite sure what you mean about 'pty privileges' when initializing

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Hi Tanvi, I'm not quite sure what you mean about 'pty privileges' when initializing

4/19/23

Cherry bomb, Nikolay Shaplov9

3/24/23

AFL PLUS PLUS ERROR - Elf binary

I've already defined the variable in LD_LIBRARY_PATH, I've even used the configuration in

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AFL PLUS PLUS ERROR - Elf binary

I've already defined the variable in LD_LIBRARY_PATH, I've even used the configuration in

3/24/23

Xaqan Kerimov, Nikolay Shaplov2

3/22/23

AFL cannot run /path/to./default/.cur_input

В письме от вторник, 21 марта 2023 г. 07:42:16 MSK пользователь Xaqan Kerimov написал: > afl-fuzz

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AFL cannot run /path/to./default/.cur_input

В письме от вторник, 21 марта 2023 г. 07:42:16 MSK пользователь Xaqan Kerimov написал: > afl-fuzz

3/22/23

Dylan McBean-Kyle [Google]

3/9/23

AFL not creating .cur_input file

I'm trying to fuzz a windows binary in WSL, when I run this command afl-fuzz -V 30 -W -D -i tests

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AFL not creating .cur_input file

I'm trying to fuzz a windows binary in WSL, when I run this command afl-fuzz -V 30 -W -D -i tests

3/9/23

3/9/23

How to solve “Test case 'id:000002,orig:1.pdf' results in a timeout”？？？

I am testing a pdf viewer mupdf using AFL. My steps are as follows： cd afl-2.52b make sudo make

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How to solve “Test case 'id:000002,orig:1.pdf' results in a timeout”？？？

I am testing a pdf viewer mupdf using AFL. My steps are as follows： cd afl-2.52b make sudo make

3/9/23

TOLUCHURI SHYAMILI SHANKER RAO, Nikolay Shaplov2

3/8/23

Fuzzing libpng-1.6.31 using AFL++

В письме от среда, 8 марта 2023 г. 12:34:16 MSK пользователь 'TOLUCHURI SHYAMILI SHANKER RAO'

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Fuzzing libpng-1.6.31 using AFL++

В письме от среда, 8 марта 2023 г. 12:34:16 MSK пользователь 'TOLUCHURI SHYAMILI SHANKER RAO'

3/8/23

Tanvi Allada, Connor Shugg3

3/5/23

Fuzzing a customizable shell

Ah, woops! Just realized I swapped two letters in your name - sorry about that Tanvi! On Sun, Mar 5,

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Fuzzing a customizable shell

Ah, woops! Just realized I swapped two letters in your name - sorry about that Tanvi! On Sun, Mar 5,

3/5/23

Lingjun Zhou, … TOLUCHURI SHYAMILI SHANKER RAO6

3/3/23

How to fuzz a libpng library

Hello, I'm also trying to fuzz libpng-1.6.31 using AFL++. As suggested I applied the patch to

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How to fuzz a libpng library

Hello, I'm also trying to fuzz libpng-1.6.31 using AFL++. As suggested I applied the patch to

3/3/23

TOLUCHURI SHYAMILI SHANKER RAO, Connor Shugg4

2/22/23

Seed input file format

Great question. AFL actually assumes by default that the target program reads from stdin. It'll

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Seed input file format

Great question. AFL actually assumes by default that the target program reads from stdin. It'll

2/22/23

TOLUCHURI SHYAMILI SHANKER RAO

2/17/23

YARA rules for Fuzzing

How can we write YARA rules to generate inputs for a specific binaries/executable file...and further

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YARA rules for Fuzzing

How can we write YARA rules to generate inputs for a specific binaries/executable file...and further

2/17/23

Arpita Dutta, Michal Zalewski3

1/24/23

Every time program aborts after performing a dry run

Thanks Michal. It solved the problem. Thanks a lot for the help. Regards, Arpita On Tuesday, January

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Every time program aborts after performing a dry run

Thanks Michal. It solved the problem. Thanks a lot for the help. Regards, Arpita On Tuesday, January

1/24/23

1/11/23

AFLGo: How to set targets for AFL using AFLGo

Hi, Can anyone tell me the command parameters to be used to set target location for AFL in AFLGo.

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AFLGo: How to set targets for AFL using AFLGo

Hi, Can anyone tell me the command parameters to be used to set target location for AFL in AFLGo.

1/11/23

12/18/22

timeouts when fuzzing a server program

Im trying to fuzz an FTP server program by desocketing using preeny. Everything works fine except the

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timeouts when fuzzing a server program

Im trying to fuzz an FTP server program by desocketing using preeny. Everything works fine except the

12/18/22

Elias Myllymäki, Marc2

12/2/22

Unable to compile dynamic shared library with afl-g++-fast.

Hi! On 12/1/22 23:23, Elias Myllymäki wrote: > I am trying to compile this project > <https:

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Unable to compile dynamic shared library with afl-g++-fast.

Hi! On 12/1/22 23:23, Elias Myllymäki wrote: > I am trying to compile this project > <https:

12/2/22

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