Dear all, I encountered a strange problem when testing the next code snippet:
1 if (pw = getpwuid(getuid()) == NULL) 2 return ; 3 .. = pw->pw_dir; When handling line 1, KLEE firstly invokes *externalDispatcher->executeCall* which will invoke *runProtectedCall* to execute the external function and store the result to a given memory location. Then, it will invoke *fromMemory* to get the return value from the location. However, it encounters an "out of bound" error when handling line 3. I printed the value of variable *pw* at line 1, and got something like *139894903382656*, which definitely does not equal to ' *null*', thus it will arrive line 3. Actually, *139894903382656* seems an invalid address. So why does this strange situation happen? Thank you all in advance. Best regards, Qiuping Yi Parasol Laboratory Department of Computer Science and Engineering Texas A&M University College Station TX 77843
_______________________________________________ klee-dev mailing list klee-dev@imperial.ac.uk https://mailman.ic.ac.uk/mailman/listinfo/klee-dev
