From: | Andreas Seltenreich <andreas(dot)seltenreich(at)credativ(dot)de> |
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To: | pgsql-hackers(at)postgresql(dot)org |
Subject: | [sqlsmith] Failed assertion in brin_minmax_multi_distance_float4 on REL_14_STABLE |
Date: | 2021-11-04 08:46:49 |
Message-ID: | 87r1bw9ukm.fsf@credativ.de |
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Lists: | pgsql-hackers |
Hi,
sqlsmith triggers the following assertion when testing REL_14_STABLE:
TRAP: FailedAssertion("a1 <= a2", File: "brin_minmax_multi.c", Line: 1879, PID: 631814)
I can reproduce it with the following query on a fresh regression
database:
insert into public.brintest_multi (float4col) values (real 'nan');
The branch was at f6162c020c while testing, backtrace below.
regards,
Andreas
(gdb) bt
#0 0x00007f703cc46ce1 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f703cc30537 in abort () from /lib/x86_64-linux-gnu/libc.so.6
#2 0x000055b17517c521 in ExceptionalCondition at assert.c:69
#3 0x000055b174d25871 in brin_minmax_multi_distance_float4 (fcinfo=<optimized out>) at brin_minmax_multi.c:1879
#4 0x000055b1751853ba in FunctionCall2Coll (flinfo=flinfo(at)entry=0x55b176913d10, collation=collation(at)entry=0, arg1=<optimized out>,
arg2=<optimized out>) at fmgr.c:1160
#5 0x000055b174d23a41 in build_distances (distanceFn=distanceFn(at)entry=0x55b176913d10, colloid=0,
eranges=eranges(at)entry=0x55b17693fad0, neranges=neranges(at)entry=5) at brin_minmax_multi.c:1352
#6 0x000055b174d256be in compactify_ranges (max_values=32, ranges=0x55b176945708, bdesc=<optimized out>) at brin_minmax_multi.c:1822
#7 brin_minmax_multi_serialize (bdesc=<optimized out>, src=94220687005448, dst=0x55b17693ae10) at brin_minmax_multi.c:2386
#8 0x000055b174d2ae0d in brin_form_tuple (brdesc=brdesc(at)entry=0x55b176914988, blkno=blkno(at)entry=15,
tuple=tuple(at)entry=0x55b17693aaa0, size=size(at)entry=0x7ffffcc6d4f8) at brin_tuple.c:165
#9 0x000055b174d20a5f in brininsert (idxRel=0x7f703b2ae170, values=0x7ffffcc6d610, nulls=0x7ffffcc6d5f0, heaptid=0x55b17690da78,
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