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Re: strndup returning an address out of bounds



In article <Pine.NEB.4.64.0803121125280.360%tx.reedmedia.net@localhost>,
Jeremy C. Reed <reed%reedmedia.net@localhost> wrote:
>Trying to get svn version of netsurf running on
>4.99.55 on amd64.
>
>So I have:
>
>Breakpoint 3, fetchcache_parse_type (
>    s=0x7f7ff4c07c00 "text/html; charset=ISO-8859-1", 
>params=0x7f7fffffb2e8)
>    at content/fetchcache.c:576
>576             type = strndup(s + pmatch[1].rm_so, pmatch[1].rm_eo -
>pmatch[1].rm_so);
>
>(gdb) print out pmatch[1]
>No symbol "out" in current context.
>
>(gdb) print  pmatch[1]
>$6 = {rm_so = 0, rm_eo = 9}
>
>Attempting to step into strndup:
>
>(gdb) step
>577             if (!type) {
>
>Didn't step in, so suggests it's in the C library  -- it is.
>
>(gdb) print type
>$7 = 0xfffffffff4d51150 <Address 0xfffffffff4d51150 out of bounds>
>(gdb)
>    
>
>What would cause that Address 0xfffffffff4d51150 out of bounds?
>
>Any clues on how that could be returned by strndup?

Looks like the prototype is not in scope.

christos



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