Your message dated Mon, 20 Oct 2025 09:49:03 +0000
with message-id <[email protected]>
and subject line Bug#1118416: fixed in sqliteodbc 0.99991-4
has caused the Debian Bug report #1118416,
regarding libsqliteodbc: Segmentation fault after calling SQLGetTypeInfo
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact [email protected]
immediately.)
--
1118416: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1118416
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: libsqliteodbc
Version: 0.99991-3
Severity: important
Tags: upstream patch
X-Debbugs-Cc: [email protected]
Programs that use SQLGetTypeInfo (notable example is pyodbc) are
crashing now. This happened after Fix-incompatible-pointer patch was
added. This is caused by incorrect free function that is used -
drvgettypeinfo returns result that is stored in static buffers but
rowfree function tries to deallocate it.
I suspect that SQLTables (drvtables) has same issue but don't have any
code that uses this function.
Minimal program to reproduce this error:
```
#include <stdio.h>
#include <string.h>
#include <sql.h>
#include <sqlext.h>
int fail(const char *err)
{
printf("%s\n", err);
return -1;
}
int main()
{
const char * settings = "driver=SQLite3;database=/tmp/file.db";
SQLHENV env = NULL;
if (!SQL_SUCCEEDED(SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE,
&env)))
return fail("Failed to allocate ODBC Environment");
if (!SQL_SUCCEEDED(SQLSetEnvAttr(env, SQL_ATTR_ODBC_VERSION,
(SQLPOINTER) SQL_OV_ODBC3, 0)))
return fail("Failed to request ODBCv3");
SQLHDBC dbc = NULL;
if (!SQL_SUCCEEDED(SQLAllocHandle(SQL_HANDLE_DBC, env, &dbc)))
return fail("Failed to allocate ODBC Connection");
char buf[SQL_MAX_OPTION_STRING_LENGTH];
SQLSMALLINT buflen = sizeof(buf);
if (!SQL_SUCCEEDED(SQLDriverConnect(dbc, NULL, (SQLCHAR *)settings,
strlen(settings), (SQLCHAR *)buf, sizeof(buf), &buflen, SQL_DRIVER_NOPROMPT)))
return fail("Failed to connect");
printf("Connection string: %s\n", buf);
HSTMT hstmt;
if (!SQL_SUCCEEDED(SQLAllocHandle(SQL_HANDLE_STMT, dbc, &hstmt)))
return -1;
/*
// Code from pyodbc
SQLINTEGER columnsize;
if (SQL_SUCCEEDED(SQLGetTypeInfo(hstmt, SQL_VARCHAR)) &&
SQL_SUCCEEDED(SQLFetch(hstmt)) &&
SQL_SUCCEEDED(SQLGetData(hstmt, 3, SQL_INTEGER, &columnsize,
sizeof(columnsize), 0))) {
printf("Column size: %d\n", columnsize);
}
SQLFreeStmt(hstmt, SQL_CLOSE);
*/
// Minimal variant
SQLGetTypeInfo(hstmt, SQL_VARCHAR);
SQLFreeHandle(SQL_HANDLE_STMT, hstmt);
SQLDisconnect(dbc);
SQLFreeHandle(SQL_HANDLE_DBC, dbc);
SQLFreeHandle(SQL_HANDLE_ENV, env);
}
```
Inline patch:
```
diff --git a/debian/patches/Fix-incompatible-pointer-compilation-error.patch
b/debian/patches/Fix-incompatible-pointer-compilation-error.patch
index 3494c8a..b83831d 100644
--- a/debian/patches/Fix-incompatible-pointer-compilation-error.patch
+++ b/debian/patches/Fix-incompatible-pointer-compilation-error.patch
@@ -44,7 +44,7 @@ index 5f5959d..9b001ad 100644
s->rowfree = xfree__;
#else
- s->rowfree = sqlite3_free;
-+ s->rowfree = sqlite3_free_table;
++ s->rowfree = (void (*)(char **)) sqlite3_free;
#endif
memset(s->rows, 0, sizeof (char *) * (s->nrows + 1) * asize);
if (sqltype == SQL_ALL_TYPES) {
@@ -92,7 +92,7 @@ index 055dba2..ad30b4a 100644
s->rowfree = xfree__;
#else
- s->rowfree = free;
-+ s->rowfree = freerows;
++ s->rowfree = (void (*)(char **)) free;
#endif
memset(s->rows, 0, sizeof (char *) * (s->nrows + 1) * asize);
if (sqltype == SQL_ALL_TYPES) {
```
-- System Information:
Debian Release: 13.1
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)
Kernel: Linux 6.1.0-9-amd64 (SMP w/4 CPU threads; PREEMPT)
Locale: LANG=C, LC_CTYPE=C (charmap=UTF-8) (ignored: LC_ALL set to
en_US.UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: unable to detect
Versions of packages libsqliteodbc depends on:
ii libc6 2.41-12
ii libsqlite3-0 3.46.1-7
ii odbcinst 2.3.12-2
libsqliteodbc recommends no packages.
libsqliteodbc suggests no packages.
-- no debconf information
diff --git a/debian/patches/Fix-incompatible-pointer-compilation-error.patch
b/debian/patches/Fix-incompatible-pointer-compilation-error.patch
index 3494c8a..b83831d 100644
--- a/debian/patches/Fix-incompatible-pointer-compilation-error.patch
+++ b/debian/patches/Fix-incompatible-pointer-compilation-error.patch
@@ -44,7 +44,7 @@ index 5f5959d..9b001ad 100644
s->rowfree = xfree__;
#else
- s->rowfree = sqlite3_free;
-+ s->rowfree = sqlite3_free_table;
++ s->rowfree = (void (*)(char **)) sqlite3_free;
#endif
memset(s->rows, 0, sizeof (char *) * (s->nrows + 1) * asize);
if (sqltype == SQL_ALL_TYPES) {
@@ -92,7 +92,7 @@ index 055dba2..ad30b4a 100644
s->rowfree = xfree__;
#else
- s->rowfree = free;
-+ s->rowfree = freerows;
++ s->rowfree = (void (*)(char **)) free;
#endif
memset(s->rows, 0, sizeof (char *) * (s->nrows + 1) * asize);
if (sqltype == SQL_ALL_TYPES) {
diff --git a/debian/patches/Fix-incompatible-pointer-compilation-error.patch
b/debian/patches/Fix-incompatible-pointer-compilation-error.patch
index 3494c8a..b83831d 100644
--- a/debian/patches/Fix-incompatible-pointer-compilation-error.patch
+++ b/debian/patches/Fix-incompatible-pointer-compilation-error.patch
@@ -44,7 +44,7 @@ index 5f5959d..9b001ad 100644
s->rowfree = xfree__;
#else
- s->rowfree = sqlite3_free;
-+ s->rowfree = sqlite3_free_table;
++ s->rowfree = (void (*)(char **)) sqlite3_free;
#endif
memset(s->rows, 0, sizeof (char *) * (s->nrows + 1) * asize);
if (sqltype == SQL_ALL_TYPES) {
@@ -92,7 +92,7 @@ index 055dba2..ad30b4a 100644
s->rowfree = xfree__;
#else
- s->rowfree = free;
-+ s->rowfree = freerows;
++ s->rowfree = (void (*)(char **)) free;
#endif
memset(s->rows, 0, sizeof (char *) * (s->nrows + 1) * asize);
if (sqltype == SQL_ALL_TYPES) {
--- End Message ---
--- Begin Message ---
Source: sqliteodbc
Source-Version: 0.99991-4
Done: Chris Hofstaedtler <[email protected]>
We believe that the bug you reported is fixed in the latest version of
sqliteodbc, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Chris Hofstaedtler <[email protected]> (supplier of updated sqliteodbc package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Mon, 20 Oct 2025 11:28:47 +0200
Source: sqliteodbc
Architecture: source
Version: 0.99991-4
Distribution: unstable
Urgency: medium
Maintainer: Chris Hofstaedtler <[email protected]>
Changed-By: Chris Hofstaedtler <[email protected]>
Closes: 1118416
Changes:
sqliteodbc (0.99991-4) unstable; urgency=medium
.
* Use free on memory allocated by (x)malloc (Closes: #1118416)
* Refresh patches
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