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pageinspect: Fix use of wrong memory context by hash_page_items.

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This can cause it to produce incorrect output.

Report and patch by Masahiko Sawada.

Discussion: http://postgr.es/m/CAD21AoBc5Asx7pXdUWu6NqU_g=Ysn95EGL9SMeYhLLduYoO_OA@mail.gmail.com
This commit is contained in:
Robert Haas 2018-01-26 09:51:15 -05:00
parent 48de935b08
commit 51fc1b09a3
1 changed files with 2 additions and 2 deletions
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4
contrib/pageinspect/hashfuncs.c
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@ -313,10 +313,10 @@ hash_page_items(PG_FUNCTION_ARGS)
fctx = SRF_FIRSTCALL_INIT();
page = verify_hash_page(raw_page, LH_BUCKET_PAGE | LH_OVERFLOW_PAGE);
mctx = MemoryContextSwitchTo(fctx->multi_call_memory_ctx);
page = verify_hash_page(raw_page, LH_BUCKET_PAGE | LH_OVERFLOW_PAGE);
uargs = palloc(sizeof(struct user_args));
uargs->page = page;