Re: regcomp() signedness issues

[email protected] (Christos Zoulas) Sat, 28 Dec 2024 19:23:45 -0000 (UTC)

Newsgroups	gmane.os.netbsd.devel.userlevel
Message-ID	<[email protected]>

In article <CAJgzZooHNebuUuEYghmrAYn+uh425PSYDSgge0BvaXnCeKGd5A@mail.gmail.com>,
enh  <[email protected]> wrote:
>-=-=-=-=-=-
>
>a trivial fuzzer someone once wrote blew up on this input to regcomp()
>[passed directly to regcomp() after adding a trailing '\0']:
>
>xxd
>~~/Downloads/clusterfuzz-testcase-minimized-regexec_fuzzer-5459313584832512
>00000000: 6a3a 5b5d 6a3a 5b5d 6a3a 5bd9 6a3a 5b5d  j:[]j:[]j:[.j:[]
>

I can't reproduce this in current:

	if ((e = regcomp(&re, "j:[]j:[]j:[.j:[]", REG_EXTENDED)) != 0) {

What am I doing wrong?

christos