Integer Underflow: A Wish Come True

computer science Integer overflow Edge cases Unsigned integer Loopholes Bit manipulation Input validation Programming bugs Overflow exploit

Programming Algorithms Math Debugging Testing

8 months ago 357,374 views 1 shares

Integer Underflow: A Wish Come True

integer-overflow-memes, programming-bugs-memes, edge-cases-memes, input-validation-memes, unsigned-integer-memes | ProgrammerHumor.io

Classic integer overflow exploit! When the genie says "you can't wish for more wishes," our clever protagonist finds the loophole by wishing for ZERO wishes, causing the wish counter to underflow. Now they've got 4,295,967,295 wishes (2^32 - 1) - the maximum value of an unsigned 32-bit integer. This is basically the same energy as when you find that one edge case the senior dev forgot to validate in the input form. The genie's face in the last panel is every backend developer who just realized their input sanitization failed spectacularly.

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