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author	Tom Lane <tgl@sss.pgh.pa.us>
	Sun, 7 Jan 2024 20:19:50 +0000 (15:19 -0500)
committer	Tom Lane <tgl@sss.pgh.pa.us>
	Sun, 7 Jan 2024 20:19:50 +0000 (15:19 -0500)
commit	90e8b86fc52a4be21aec16abfb5dccfb819cc53e
tree	acd07654922bc0440e3ed809f33beb98f45d7203	tree \| snapshot
parent	3bdaa8fc622f51ab2836314a9f087b6af81eef06	commit \| diff

Fix integer-overflow problem in intarray's g_int_decompress().

An array element equal to INT_MAX gave this code indigestion,
causing an infinite loop that surely ended in SIGSEGV. We fixed
some nearby problems awhile ago (cf 757c5182f) but missed this.

Report and diagnosis by Alexander Lakhin (bug #18273); patch by me

Discussion: https://postgr.es/m/18273-9a832d1da122600c@postgresql.org

Mirror of https://git.postgresql.org/git/postgresql.git

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contrib/intarray/_int_gist.c		diff \| blob \| blame \| history
contrib/intarray/data/test__int.data		diff \| blob \| blame \| history
contrib/intarray/expected/_int.out		diff \| blob \| blame \| history
contrib/intarray/sql/_int.sql		diff \| blob \| blame \| history