Re: BUG #17229: Segmentation Fault after upgrading to version 13

On Mon, Oct 18, 2021 at 11:20 AM Efrain J. Berdecia
<ejberdecia@yahoo.com> wrote:
> #0  __memcpy_ssse3_back () at ../sysdeps/x86_64/multiarch/memcpy-ssse3-back.S:1852
> #1  0x00007f42aee2488b in memcpy (__len=12, __src=0x7023c19c7, __dest=0x291967d) at /usr/include/bits/string3.h:51
> #2  gtrgm_alloc (isalltrue=<optimized out>, siglen=siglen@entry=12, sign=0x7023c19c7 <Address 0x7023c19c7 out of
bounds>)at trgm_gist.c:82
 
> #3  0x00007f42aee25d80 in gtrgm_picksplit (fcinfo=<optimized out>) at trgm_gist.c:852
> #4  0x00000000008afcfa in FunctionCall2Coll (flinfo=flinfo@entry=0x2bf9400, collation=<optimized out>,
arg1=arg1@entry=43095272,arg2=arg2@entry=140737194144480) at fmgr.c:1164
 
> #5  0x00000000004b2d03 in gistUserPicksplit (len=2, giststate=0x2bf75d8, itup=0x29193c8, v=0x7fffee76b2e0, attno=0,
entryvec=0x29194e8,r=0x7f42aecd3668) at gistsplit.c:433
 

Commit 911e702077 ("Implement operator class parameters") seems like
the most likely culprit, based on a quick "git blame". Alexander?

-- 
Peter Geoghegan