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Fix to MXS-427: https://mariadb.atlassian.net/browse/MXS-427

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Stack allocated buffers now have a maximum size.
This commit is contained in:
Markus Makela
2015-10-26 10:06:20 +02:00
parent 29e241ee60
commit 6c6f81abce
1 changed files with 7 additions and 3 deletions
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10
log_manager/log_manager.cc
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@ -1609,14 +1609,18 @@ int skygw_log_write_context(logfile_id_t id,
if (len >= 0) if (len >= 0)
{ {
if(len > MAX_LOGSTRLEN)
{
len = MAX_LOGSTRLEN;
}
char message[len + 1]; char message[len + 1];
va_start(valist, str); va_start(valist, str);
int len2 = vsnprintf(message, sizeof(message), str, valist); vsnprintf(message, sizeof(message), str, valist);
va_end(valist); va_end(valist);
assert(len2 == len);
err = log_write(id, file, line, function, len2, message, LOG_FLUSH_NO); err = log_write(id, file, line, function, len, message, LOG_FLUSH_NO);
if (err != 0) if (err != 0)
{ {