http://www.slony.info/bugzilla/show_bug.cgi?id=55

paul cannon <pcannon+slonybugzilla at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|FIXED                       |
             Status|RESOLVED                    |REOPENED

--- Comment #6 from paul cannon <pcannon+slonybugzilla at gmail.com> 2010-03-29 15:16:16 PDT ---
The fix from Jan will not address this problem. The problem is that the va_list
"ap" gets reused by a new call to vsnprintf() when outbuf is too small and has
to be realloc'd. Since vsnprintf has to read the contents of ap, ap becomes
undefined after it returns.

If you want to use the list of variable arguments multiple times (i.e., call
vsnprintf multiple times), you must copy it using va_copy().

I can verify that it is still in 1.2.20; we were bit by it just last week, when
I posted my comment, and we run 1.2.20.

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