diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2011-10-20 21:10:27 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2011-10-20 21:10:27 +0000 |
| commit | 30815c536baacc07e925f0aef23a5395883173dc (patch) | |
| tree | 2cbcf22585e99f8a87d12d5ff94f392c0d266819 /lib/Support/MemoryObject.cpp | |
| parent | 411bd29eea3c360d5b48a18a17b5e87f5671af0e (diff) | |
Diffstat (limited to 'lib/Support/MemoryObject.cpp')
| -rw-r--r-- | lib/Support/MemoryObject.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/Support/MemoryObject.cpp b/lib/Support/MemoryObject.cpp index 91e3ecd23a2e..b20ab8923813 100644 --- a/lib/Support/MemoryObject.cpp +++ b/lib/Support/MemoryObject.cpp @@ -19,8 +19,11 @@ int MemoryObject::readBytes(uint64_t address, uint64_t* copied) const { uint64_t current = address; uint64_t limit = getBase() + getExtent(); - - while (current - address < size && current < limit) { + + if (current + size > limit) + return -1; + + while (current - address < size) { if (readByte(current, &buf[(current - address)])) return -1; |