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[freetype2] master f1b6183: [bdf] Ignore data after `ENDFONT'.
From: |
Werner LEMBERG |
Subject: |
[freetype2] master f1b6183: [bdf] Ignore data after `ENDFONT'. |
Date: |
Tue, 4 Dec 2018 05:51:45 -0500 (EST) |
branch: master
commit f1b6183f36d4a28a874bd25fd89363dc8ac32574
Author: Werner Lemberg <address@hidden>
Commit: Werner Lemberg <address@hidden>
[bdf] Ignore data after `ENDFONT'.
Reported as
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10798
* src/bdf/bdflib.c (_bdf_parse_end): New function.
(_bdf_parse_glyphs): Switch to `_bdf_parse_end' after `ENDFONT' has
been encountered.
---
ChangeLog | 12 ++++++++++++
src/bdf/bdflib.c | 25 +++++++++++++++++++++++--
2 files changed, 35 insertions(+), 2 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 2afed75..d6946b8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2018-12-04 Werner Lemberg <address@hidden>
+
+ [bdf] Ignore data after `ENDFONT'.
+
+ Reported as
+
+ https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10798
+
+ * src/bdf/bdflib.c (_bdf_parse_end): New function.
+ (_bdf_parse_glyphs): Switch to `_bdf_parse_end' after `ENDFONT' has
+ been encountered.
+
2018-12-02 Alexei Podtelezhnikov <address@hidden>
* builds/windows/visualc/freetype.dsp: Dust off.
diff --git a/src/bdf/bdflib.c b/src/bdf/bdflib.c
index 8e73f9f..0898b0d 100644
--- a/src/bdf/bdflib.c
+++ b/src/bdf/bdflib.c
@@ -1262,6 +1262,25 @@
};
+ static FT_Error
+ _bdf_parse_end( char* line,
+ unsigned long linelen,
+ unsigned long lineno,
+ void* call_data,
+ void* client_data )
+ {
+ /* a no-op; we ignore everything after `ENDFONT' */
+
+ FT_UNUSED( line );
+ FT_UNUSED( linelen );
+ FT_UNUSED( lineno );
+ FT_UNUSED( call_data );
+ FT_UNUSED( client_data );
+
+ return FT_Err_Ok;
+ }
+
+
/* Actually parse the glyph info and bitmaps. */
static FT_Error
_bdf_parse_glyphs( char* line,
@@ -1275,6 +1294,7 @@
unsigned char* bp;
unsigned long i, slen, nibbles;
+ _bdf_line_func_t* next;
_bdf_parse_t* p;
bdf_glyph_t* glyph;
bdf_font_t* font;
@@ -1282,11 +1302,11 @@
FT_Memory memory;
FT_Error error = FT_Err_Ok;
- FT_UNUSED( call_data );
FT_UNUSED( lineno ); /* only used in debug mode */
- p = (_bdf_parse_t *)client_data;
+ next = (_bdf_line_func_t *)call_data;
+ p = (_bdf_parse_t *) client_data;
font = p->font;
memory = font->memory;
@@ -1367,6 +1387,7 @@
by_encoding );
p->flags &= ~BDF_START_;
+ *next = _bdf_parse_end;
goto Exit;
}
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