libdivsufsort-lite crashes #3
Description
What steps will reproduce the problem?
1. 32-bit OS, with 2 Gb RAM or more
2. Take a file with size>=1Gb i.e. (1<<30) bytes
3. Run libdivsufsort-lite.exe BIGFILE
What is the expected output? What do you see instead?
Expected behaviour:
> sufcheck: Done.
It simply crashes instead.
What version of the product are you using? On what operating system?
libdivsufsort-lite 2.0.0 on Windows XP with 3 GB RAM.
Please provide any additional information below.
It crashes because of overflow in suftest.c , line 163:
> SA = (int *)malloc((size_t)n * sizeof(int));
if (sizeof(size_t)==4 && sizeof(int)==4 && n>=(1<<30))
then ((size_t)n * sizeof(int))==((n&4)&((1<<32)-1))
Original issue reported on code.google.com by [email protected] on 3 Oct 2011 at 1:34