v1-0001-Fix-memory-leak-in-_gin_parallel_merge.patch
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Filename: v1-0001-Fix-memory-leak-in-_gin_parallel_merge.patch
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Format: format-patch
Series: patch v1-0001
Subject: Fix memory leak in _gin_parallel_merge
| File | + | − |
|---|---|---|
| src/backend/access/gin/gininsert.c | 7 | 0 |
From 09614c5dc09e9f05e8aa157c029cf87de9cd4b72 Mon Sep 17 00:00:00 2001 From: Vinod Sridharan <vsridh90@gmail.com> Date: Thu, 17 Apr 2025 13:51:41 -0700 Subject: [PATCH v1] Fix memory leak in _gin_parallel_merge --- src/backend/access/gin/gininsert.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/backend/access/gin/gininsert.c b/src/backend/access/gin/gininsert.c index cfab93ec30c..05a1aea51c1 100644 --- a/src/backend/access/gin/gininsert.c +++ b/src/backend/access/gin/gininsert.c @@ -1616,6 +1616,7 @@ _gin_parallel_merge(GinBuildState *state) Size tuplen; double reltuples = 0; GinBuffer *buffer; + MemoryContext oldCtx; /* GIN tuples from workers, merged by leader */ double numtuples = 0; @@ -1685,9 +1686,12 @@ _gin_parallel_merge(GinBuildState *state) */ AssertCheckItemPointers(buffer); + oldCtx = MemoryContextSwitchTo(state->tmpCtx); ginEntryInsert(&state->ginstate, buffer->attnum, buffer->key, buffer->category, buffer->items, buffer->nitems, &state->buildStats); + MemoryContextSwitchTo(oldCtx); + MemoryContextReset(state->tmpCtx); /* discard the existing data */ GinBufferReset(buffer); @@ -1711,9 +1715,12 @@ _gin_parallel_merge(GinBuildState *state) */ AssertCheckItemPointers(buffer); + oldCtx = MemoryContextSwitchTo(state->tmpCtx); ginEntryInsert(&state->ginstate, buffer->attnum, buffer->key, buffer->category, buffer->items, buffer->nfrozen, &state->buildStats); + MemoryContextSwitchTo(oldCtx); + MemoryContextReset(state->tmpCtx); /* truncate the data we've just discarded */ GinBufferTrim(buffer); -- 2.25.1