tsvector filter problem
Started by Stas Kelvichover 9 years ago2 messages
Hi.
As discovered by Oleg Bartunov, current filter() function for tsvector can crash backend.
Bug was caused erroneous usage of char type in memmove argument.
Attachments:
tsvector_bugfix_type.diffapplication/octet-stream; name=tsvector_bugfix_type.diffDownload
diff --git a/src/backend/utils/adt/tsvector_op.c b/src/backend/utils/adt/tsvector_op.c
index 8298e38..b138bf1 100644
--- a/src/backend/utils/adt/tsvector_op.c
+++ b/src/backend/utils/adt/tsvector_op.c
@@ -773,8 +773,8 @@ tsvector_filter(PG_FUNCTION_ARGS)
bool *nulls;
int nweigths;
int i, j;
- char mask = 0,
- cur_pos = 0;
+ int cur_pos = 0;
+ char mask = 0;
deconstruct_array(weights, CHAROID, 1, true, 'c',
&dweights, &nulls, &nweigths);
Re: tsvector filter problem
Thank you, pushed.
Stas Kelvich wrote:
Hi.
As discovered by Oleg Bartunov, current filter() function for tsvector can crash backend.
Bug was caused erroneous usage of char type in memmove argument.
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Teodor Sigaev E-mail: teodor@sigaev.ru
WWW: http://www.sigaev.ru/
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