[gnumeric] xls: fuzzed file fix.

[Morten Welinder <mortenw src gnome org>]

commit 0cf31bcf9644302484b7ddbc224870607d061ffb
Author: Morten Welinder <terra gnome org>
Date:   Sun Jan 3 20:21:45 2016 -0500

    xls: fuzzed file fix.

 ChangeLog         |    5 +++++
 NEWS              |    2 +-
 src/sheet-style.c |   14 ++++++++++++--
 3 files changed, 18 insertions(+), 3 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 745fcac..9592aa6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2016-01-03  Morten Welinder  <terra gnome org>
+
+       * src/sheet-style.c (sheet_style_apply_range)
+       (sheet_style_set_range): Ensure sanity of range.  Fixes #760102.
+
 2016-01-02  Morten Welinder  <terra gnome org>
 
        * src/mathfunc.c (expmx2h): Explicitly handle nan, just in case.
diff --git a/NEWS b/NEWS
index 75cf7a4..bfa3f6a 100644
--- a/NEWS
+++ b/NEWS
@@ -9,7 +9,7 @@ Morten:
        * Teach ssconvert to split sheets into separate .txt files [#694408]
        * Improve test suite.
        * Fuzzed file fixes.  [#760046]  [#760085]  [#760087]  [#760089]
-         [#760043]  [#760103]
+         [#760043]  [#760103]  [#760102]
 
 --------------------------------------------------------------------------
 Gnumeric 1.12.26
diff --git a/src/sheet-style.c b/src/sheet-style.c
index f46e20c..96efa5f 100644
--- a/src/sheet-style.c
+++ b/src/sheet-style.c
@@ -1375,14 +1375,19 @@ sheet_style_set_range (Sheet *sheet, GnmRange const *range,
                       GnmStyle *style)
 {
        ReplacementStyle rs;
+       GnmRange r;
 
        g_return_if_fail (IS_SHEET (sheet));
        g_return_if_fail (range != NULL);
+       g_return_if_fail (range_is_sane (range));
+
+       r = *range;
+       range_ensure_sanity (&r, sheet);
 
        rstyle_ctor_style (&rs, style, sheet);
        cell_tile_apply (&sheet->style_data->styles,
                         sheet->tile_top_level, 0, 0,
-                        range, &rs);
+                        &r, &rs);
        rstyle_dtor (&rs);
 }
 
@@ -1761,14 +1766,19 @@ void
 sheet_style_apply_range (Sheet *sheet, GnmRange const *range, GnmStyle *pstyle)
 {
        ReplacementStyle rs;
+       GnmRange r;
 
        g_return_if_fail (IS_SHEET (sheet));
        g_return_if_fail (range != NULL);
+       g_return_if_fail (range_is_sane (range));
+
+       r = *range;
+       range_ensure_sanity (&r, sheet);
 
        rstyle_ctor_pstyle (&rs, pstyle, sheet);
        cell_tile_apply (&sheet->style_data->styles,
                         sheet->tile_top_level, 0, 0,
-                        range, &rs);
+                        &r, &rs);
        rstyle_dtor (&rs);
 }