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a8a8c6b296
The dict_int text search dictionary template accepts maxlen parameter,
which is then used to cap the length of input strings. The value was
not properly checked, and the code simply does
txt[d->maxlen] = '\0';
to insert a terminator, leading to segfaults with negative values.
This commit simply rejects values less than 1. The issue was there since
dct_int was introduced in 9.3, so backpatch all the way back to 9.4
which is the oldest supported version.
Reported-by: cili
Discussion: https://postgr.es/m/16144-a36a5bef7657047d@postgresql.org
Backpatch-through: 9.4
56 lines
2.1 KiB
SQL
56 lines
2.1 KiB
SQL
CREATE EXTENSION dict_int;
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--lexize
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select ts_lexize('intdict', '511673');
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select ts_lexize('intdict', '129');
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select ts_lexize('intdict', '40865854');
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select ts_lexize('intdict', '952');
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select ts_lexize('intdict', '654980341');
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select ts_lexize('intdict', '09810106');
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select ts_lexize('intdict', '14262713');
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select ts_lexize('intdict', '6532082986');
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select ts_lexize('intdict', '0150061');
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select ts_lexize('intdict', '7778');
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select ts_lexize('intdict', '9547');
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select ts_lexize('intdict', '753395478');
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select ts_lexize('intdict', '647652');
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select ts_lexize('intdict', '6988655574');
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select ts_lexize('intdict', '1279');
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select ts_lexize('intdict', '1266645909');
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select ts_lexize('intdict', '7594193969');
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select ts_lexize('intdict', '16928207');
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select ts_lexize('intdict', '196850350328');
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select ts_lexize('intdict', '22026985592');
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select ts_lexize('intdict', '2063765');
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select ts_lexize('intdict', '242387310');
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select ts_lexize('intdict', '93595');
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select ts_lexize('intdict', '9374');
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select ts_lexize('intdict', '996969');
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select ts_lexize('intdict', '353595982');
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select ts_lexize('intdict', '925860');
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select ts_lexize('intdict', '11848378337');
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select ts_lexize('intdict', '333');
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select ts_lexize('intdict', '799287416765');
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select ts_lexize('intdict', '745939');
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select ts_lexize('intdict', '67601305734');
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select ts_lexize('intdict', '3361113');
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select ts_lexize('intdict', '9033778607');
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select ts_lexize('intdict', '7507648');
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select ts_lexize('intdict', '1166');
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select ts_lexize('intdict', '9360498');
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select ts_lexize('intdict', '917795');
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select ts_lexize('intdict', '9387894');
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select ts_lexize('intdict', '42764329');
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select ts_lexize('intdict', '564062');
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select ts_lexize('intdict', '5413377');
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select ts_lexize('intdict', '060965');
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select ts_lexize('intdict', '08273593');
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select ts_lexize('intdict', '593556010144');
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select ts_lexize('intdict', '17988843352');
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select ts_lexize('intdict', '252281774');
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select ts_lexize('intdict', '313425');
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select ts_lexize('intdict', '641439323669');
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select ts_lexize('intdict', '314532610153');
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ALTER TEXT SEARCH DICTIONARY intdict (MAXLEN = -214783648);
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