From: ts <decoux@...>
Date: 2003-09-01T23:20:37+09:00
Subject: Re: Bug in mmap or ruby with ruby-1.8.0

>>>>> "H" == Han Holl <han.holl@prismant.nl> writes:

H> Searching for a non-existing string in a mmapped region produces a
H> segfault. 

 bug in ruby :-))

 re.c (line 142)

	while (s < e) {
	    if (hx == hy && memcmp(x, s, m) == 0) {
		return s-y;
	    }
	    hy = KR_REHASH(*s, *(s+d), hy);
	    s++;
	}
 
 s+d can be > e

 illegal access which give with a mapped file a segfault, with a normal
 string it can work 


Guy Decoux