Fix read past end of malloc block in logd

Bug: 35412453 Test: Local build Change-Id: I0f9dee84ef689b042926b6b48abf0caeaa784add
2017-02-15 21:43:30 -08:00 · 2017-02-15 21:43:30 -08:00 · a6754dd558
parent 3ce7d82aa3
commit a6754dd558
1 changed files with 2 additions and 1 deletions
--- a/logd/LogBuffer.cpp
+++ b/logd/LogBuffer.cpp
@ -183,7 +183,8 @@ static enum match_type identical(LogBufferElement* elem, LogBufferElement* last)
    lenr -= avcr - msgr;
    if (lenl != lenr) return DIFFERENT;
    if (fastcmp<memcmp>(avcl + strlen(avc),
-                        avcr + strlen(avc), lenl)) return DIFFERENT;
+                        avcr + strlen(avc),
+                        lenl - strlen(avc))) return DIFFERENT;
    return SAME;
 }