Fix range check error re-hashing degenerate files.

diff --git a/ldid.cpp b/ldid.cpp
index b46335b457663fea3ed87963011ddd83b72b0a01..0769e7e32e327a9d9f3aedc5b713d7f2b5d85a93 100644 (file)
--- a/ldid.cpp
+++ b/ldid.cpp
@@ -3630,11 +3630,11 @@ int main(int argc, char *argv[]) {
                         uint8_t *hashes = reinterpret_cast<uint8_t *>(blob + begin + Swap(directory->hashOffset));
                         uint32_t pages = Swap(directory->nCodeSlots);
 
                         uint8_t *hashes = reinterpret_cast<uint8_t *>(blob + begin + Swap(directory->hashOffset));
                         uint32_t pages = Swap(directory->nCodeSlots);
 

-                        if (pages != 1)
+                        if (pages != 0) {

                             for (size_t i = 0; i != pages - 1; ++i)
                                 algorithm(hashes + i * algorithm.size_, top + PageSize_ * i, PageSize_);
                             for (size_t i = 0; i != pages - 1; ++i)
                                 algorithm(hashes + i * algorithm.size_, top + PageSize_ * i, PageSize_);

-                        if (pages != 0)

                             algorithm(hashes + (pages - 1) * algorithm.size_, top + PageSize_ * (pages - 1), ((data - 1) % PageSize_) + 1);
                             algorithm(hashes + (pages - 1) * algorithm.size_, top + PageSize_ * (pages - 1), ((data - 1) % PageSize_) + 1);

+                        }

                     }
                 }
             }
                     }
                 }
             }