René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Wrong format specifier for sizeof","articleBody":"The return type of `sizeof` is `size_t` which must be printed using `%zu`. Technically using the wrong format specifier (`%llu` in this case) invokes UB\r\n```\r\nDbgPrint(\"Short read of read MmPfnDatabase pointer %p as provided by userspace (read %llu of %llu bytes)\\n\", MmPfnDatabaseUnsafe, bytesRead, sizeof(PVOID));\r\n\r\nDbgPrint(\"Failed to read PFN from PFN database at %p (%p[0x%16llx]): NTSTATUS 0x%08lx, transferred %llu of %llu bytes\\n\", srcAddress.VirtualAddress, MmPfnDatabase, pfnArray[pfnIdx], s, numRead, sizeof(struct PFN));\r\n```\r\nhttps://github.com/countercept/ModuleStomping/blob/56c778b37229606818487b87e96d74b1db858817/driver/driver.c#L195\r\n\r\nhttps://github.com/countercept/ModuleStomping/blob/56c778b37229606818487b87e96d74b1db858817/driver/driver.c#L342","author":{"url":"https://github.com/phuclv90","@type":"Person","name":"phuclv90"},"datePublished":"2020-08-25T07:30:32.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/3/ModuleStomping/issues/3"}