commit 92a1f7a: [Fix] Fix buffer overflow when printing small floats

[Vsevolod Stakhov]

Author: Vsevolod Stakhov
Date: 2019-04-25 13:30:24 +0100
URL: https://github.com/rspamd/rspamd/commit/92a1f7a412f35354e3e471aadeeba537b18ab45e (HEAD -> master)

[Fix] Fix buffer overflow when printing small floats

---
 contrib/fpconv/fpconv.h | 2 +-
 src/libutil/printf.c    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/contrib/fpconv/fpconv.h b/contrib/fpconv/fpconv.h
index 83180d41f..0bc270b31 100644
--- a/contrib/fpconv/fpconv.h
+++ b/contrib/fpconv/fpconv.h
@@ -26,7 +26,7 @@
  *
  */
 
-int fpconv_dtoa(double fp, char dest[24], bool scientific);
+int fpconv_dtoa(double fp, char dest[32], bool scientific);
 
 #endif
 
diff --git a/src/libutil/printf.c b/src/libutil/printf.c
index 84dd5d272..6739fe142 100644
--- a/src/libutil/printf.c
+++ b/src/libutil/printf.c
@@ -591,7 +591,7 @@ rspamd_vprintf_common (rspamd_printf_append_func func,
 	const gchar *fmt,
 	va_list args)
 {
-	gchar zero, numbuf[G_ASCII_DTOSTR_BUF_SIZE], dtoabuf[24], *p, *last, c;
+	gchar zero, numbuf[G_ASCII_DTOSTR_BUF_SIZE], dtoabuf[32], *p, *last, c;
 	const gchar *buf_start = fmt, *fmt_start = NULL;
 	gint d;
 	gdouble f;