On 2013-11-26 14:14:38 -0800, Kevin Grittner wrote: > I happened to build in a shell that was still set up for the clang > address sanitizer, and got the attached report. On a rerun it was > repeatable. XLogInsert() seems to read past the end of a variable > allocated on the stack in doPickSplit(). I haven't tried to analyze > it past that, since this part of the code is unfamiliar to me.
Yea, I've seen that one before as well and planned to report it at some point. The reason is the MAXALIGN()s in ACCEPT_RDATA_DATA(). That rounds up to 8byte boundaries, while we've e.g. only added 2bytes of slop to toDelete. Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers