oob read in handle_dot_label
Reported by Joseph Bisch | December 31st, 2016 @ 05:59 PM
The attached input file will cause yasm compiled with ASan to report an out of bounds read in handle_dot_label. I am also attaching the ASan output.
This was found while fuzzing yasm with afl.
Steps to Reproduce:
1) Compile yasm with ASan.
2) Create a file with the contents "$.." (without the quotations).
For example, let's say we named it input. Alternatively, just
download the file I attached here.
3) Run "yasm input".
4) Observe the ASan output.
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The Yasm Modular Assembler Project
Joseph Bisch
Peter Johnson