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Upstream patch to fix pdfwrite segfault (bug #962120).

This commit is contained in:
Tim Waugh 2013-05-16 09:29:40 +01:00
parent 70ec04d0f5
commit 9c8808ccb1
2 changed files with 59 additions and 1 deletions
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51
ghostscript-pdfwrite-segfault.patch Normal file
View File

@ -0,0 +1,51 @@
diff -up ghostscript-9.06/base/gdevpdtd.c.pdfwrite-segfault ghostscript-9.06/base/gdevpdtd.c
--- ghostscript-9.06/base/gdevpdtd.c.pdfwrite-segfault 2012-08-08 09:01:36.000000000 +0100
+++ ghostscript-9.06/base/gdevpdtd.c 2013-05-16 09:28:07.410407852 +0100
@@ -699,7 +699,7 @@ pdf_write_FontDescriptor(gx_device_pdf *
if (code < 0)
return code;
}
- if (pfd->embed) {
+ if (pfd->embed && pfd->base_font->FontFile) {
code = pdf_write_FontFile_entry(pdev, pfd->base_font);
if (code < 0)
return code;
diff -up ghostscript-9.06/base/gxtype1.c.pdfwrite-segfault ghostscript-9.06/base/gxtype1.c
--- ghostscript-9.06/base/gxtype1.c.pdfwrite-segfault 2012-08-08 09:01:36.000000000 +0100
+++ ghostscript-9.06/base/gxtype1.c 2013-05-16 09:28:07.409407814 +0100
@@ -371,7 +371,7 @@ gs_type1_piece_codes(/*const*/ gs_font_t
const byte *cip, *end;
crypt_state state;
int c, hhints = 0, vhints = 0;
- int code;
+ int code, call_depth = 0;
CLEAR_CSTACK(cstack, csp);
cip = pgd->bits.data;
@@ -450,6 +450,7 @@ gs_type1_piece_codes(/*const*/ gs_font_t
}
break;
case c2_callgsubr:
+ call_depth++;
c = fixed2int_var(*csp) + pdata->gsubrNumberBias;
code = pdata->procs.subr_data
(pfont, c, true, &ipsp[1].cs_data);
@@ -462,6 +463,7 @@ gs_type1_piece_codes(/*const*/ gs_font_t
end = ipsp->cs_data.bits.data + ipsp->cs_data.bits.size;
goto call;
case c_callsubr:
+ call_depth++;
c = fixed2int_var(*csp) + pdata->subroutineNumberBias;
code = pdata->procs.subr_data
(pfont, c, false, &ipsp[1].cs_data);
@@ -474,6 +476,10 @@ gs_type1_piece_codes(/*const*/ gs_font_t
end = ipsp->cs_data.bits.data + ipsp->cs_data.bits.size;
goto call;
case c_return:
+ if (call_depth == 0)
+ return (gs_note_error(gs_error_invalidfont));
+ else
+ call_depth--;
gs_glyph_data_free(&ipsp->cs_data, "gs_type1_piece_codes");
--ipsp;
if (ipsp < ipstack)

9
ghostscript.spec
View File

@ -5,7 +5,7 @@ Summary: A PostScript interpreter and renderer
Name: ghostscript
Version: %{gs_ver}
Release: 4%{?dist}
Release: 5%{?dist}
# Included CMap data is Redistributable, no modification permitted,
# see http://bugzilla.redhat.com/487510
@ -26,6 +26,7 @@ Patch10: ghostscript-cups-filters.patch
Patch27: ghostscript-Fontmap.local.patch
Patch28: ghostscript-iccprofiles-initdir.patch
Patch29: ghostscript-gdevcups-debug-uninit.patch
Patch30: ghostscript-pdfwrite-segfault.patch
Requires: urw-fonts >= 1.1, ghostscript-fonts
Requires: poppler-data
@ -139,6 +140,9 @@ rm -rf expat freetype icclib jasper jpeg lcms2 libpng openjpeg zlib cups/libs
# gdevcups: don't use uninitialized variables in debugging output.
%patch29 -p1 -b .gdevcups-debug-uninit
# Upstream patch to fix pdfwrite segfault (bug #962120).
%patch30 -p1 -b .pdfwrite-segfault
# Convert manual pages to UTF-8
from8859_1() {
iconv -f iso-8859-1 -t utf-8 < "$1" > "${1}_"
@ -335,6 +339,9 @@ rm -rf $RPM_BUILD_ROOT
%{_libdir}/libgs.so
%changelog
* Thu May 16 2013 Tim Waugh <twaugh@redhat.com> 9.06-5
- Upstream patch to fix pdfwrite segfault (bug #962120).
* Thu Apr 25 2013 Tim Waugh <twaugh@redhat.com>
- Unowned directories (bug #902525).