database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-08-01 03:47:19 +03:00
Code Activity

MDEV-8407 Numeric errors, server crash with COLUMN_JSON() on DECIMAL with precision > 40

Browse Source 
In fact it was error in decimal library (incorrect processing of buffer overflow) invisible from other server parts because of buffer allocation and precision tests.
This commit is contained in:
Oleksandr Byelkin
2015-12-10 11:22:53 +01:00
parent d67aacb4fb
commit fa25921b59
2 changed files with 34 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
strings/decimal.c
View File

@ -383,7 +383,8 @@ int decimal2string(const decimal_t *from, char *to, int *to_len,
}
else
frac-=j;
len= from->sign + intg_len + test(frac) + frac_len;
frac_len= frac;
len= from->sign + intg_len + test(frac) + frac;
}
*to_len=len;
s[len]=0;