Re: Possible pointer var TupleDesc rettupdesc used not initialized (src/backend/optimizer/util/clauses.c)
Zhihong Yu <zyu@yugabyte.com>
From: Zhihong Yu <zyu@yugabyte.com>
To: Ranier Vilela <ranier.vf@gmail.com>
Cc: Mark Dilger <mark.dilger@enterprisedb.com>,
Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2021-05-25T02:39:17Z
Lists: pgsql-hackers
On Mon, May 24, 2021 at 7:21 PM Ranier Vilela <ranier.vf@gmail.com> wrote: > Em seg., 24 de mai. de 2021 às 22:42, Mark Dilger < > mark.dilger@enterprisedb.com> escreveu: > >> >> >> > On May 24, 2021, at 5:37 PM, Ranier Vilela <ranier.vf@gmail.com> wrote: >> > >> > Hi, >> > >> > Possible pointer TupleDesc rettupdesc used not initialized? >> > >> > if (!isNull) at line 4346 taking a true branch, the function >> check_sql_fn_retval at line 4448 can use rettupdesc uninitialized. >> >> Care to submit a patch? >> > Hi Mark, sorry but not. > I examined the code and I can't say what the correct value is for > rettupdesc. > Hi, It seems the following call would fill up value for rettupdesc : functypclass = get_expr_result_type((Node *) fexpr, NULL, &rettupdesc); Cheers > > regards, > Ranier Vilela > > > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> Livre > de vírus. www.avast.com > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>. > <#m_-660087238671669467_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> >
Commits
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Fix use of uninitialized variable in inline_function().
- e30e3fdea873 14.0 landed