On Oct 12, 2013, at 12:38 AM, Willy Tarreau <[email protected]> wrote: > > So everything is normal but it crashes. At this time, I'm inclined to > believe the following causes in order of most to least likely : > > - bug in libpcre 8.33 > > - bug in how haproxy uses libpcre which is revealed by 8.33 > > - general bug in haproxy that is revealed on your platform when pcre > is used > > For last point, you could attempt something, run haproxy with the -dM > argument. It enables memory poisonning which consists in filling all > structures with a byte before using them. This immediately catches > pointers that are dereferenced before being initialized. You may want > to test with and without libpcre. Maybe it will crash from the very > first request when using libpcre now, proving there is something wrong > in our code.
I couldn’t notice any difference running it with -dM. - Kevin
