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(parent: 60de25c) | patch
Fix integer-overflow problem in intarray's g_int_decompress().
authorTom Lane <tgl@sss.pgh.pa.us>
Sun, 7 Jan 2024 20:19:50 +0000 (15:19 -0500)
committerTom Lane <tgl@sss.pgh.pa.us>
Sun, 7 Jan 2024 20:19:50 +0000 (15:19 -0500)
commit9e7432fafc9290792baa7fd4aff03387973b139b
treefdfe750b8034d88653a98827b6f6d9086f5fab62tree
parent60de25c6efc8e5283094c74824f46f71ae483a8fcommit | 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
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
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