app-text/mupdf: Revbump to fix null pointer dereference (bug 608702) and heap overflow (bug 608712).

Package-Manager: Portage-2.3.3, Repoman-2.3.1

2 files changed, 61 insertions, 0 deletions

diff --git a/app-text/mupdf/files/mupdf-1.10a-heap-overflow.patch b/app-text/mupdf/files/mupdf-1.10a-heap-overflow.patch
new file mode 100644
index 000000000000..8b350ea8590e
--- /dev/null
+++ b/app-text/mupdf/files/mupdf-1.10a-heap-overflow.patch
@@ -0,0 +1,40 @@
+X-Git-Url: http://git.ghostscript.com/?p=mupdf.git;a=blobdiff_plain;f=source%2Ffitz%2Fpixmap.c;h=f1291dc29d49ead44c10785fd014a0d995e45a91;hp=a8317127da7af6d39eb86fe3ca02cb4106a9b262;hb=2c4e5867ee699b1081527bc6c6ea0e99a35a5c27;hpb=90fa6203ad032fe161d85a3e580941ce3d1216f0
+
+diff --git a/source/fitz/pixmap.c b/source/fitz/pixmap.c
+index a831712..f1291dc 100644
+--- a/source/fitz/pixmap.c
++++ b/source/fitz/pixmap.c
+@@ -1104,6 +1104,7 @@ fz_subsample_pixmap_ARM(unsigned char *ptr, int w, int h, int f, int factor,
+ 	"@STACK:r1,<9>,factor,n,fwd,back,back2,fwd2,divX,back4,fwd4,fwd3,divY,back5,divXY\n"
+ 	"ldr	r4, [r13,#4*22]		@ r4 = divXY			\n"
+ 	"ldr	r5, [r13,#4*11]		@ for (nn = n; nn > 0; n--) {	\n"
++	"ldr	r8, [r13,#4*17]		@ r8 = back4			\n"
+ 	"18:				@				\n"
+ 	"mov	r14,#0			@ r14= v = 0			\n"
+ 	"sub	r5, r5, r1, LSL #8	@ for (xx = x; xx > 0; x--) {	\n"
+@@ -1120,7 +1121,7 @@ fz_subsample_pixmap_ARM(unsigned char *ptr, int w, int h, int f, int factor,
+ 	"mul	r14,r4, r14		@ r14= v *= divX		\n"
+ 	"mov	r14,r14,LSR #16		@ r14= v >>= 16			\n"
+ 	"strb	r14,[r9], #1		@ *d++ = r14			\n"
+-	"sub	r0, r0, r8		@ s -= back2			\n"
++	"sub	r0, r0, r8		@ s -= back4			\n"
+ 	"subs	r5, r5, #1		@ n--				\n"
+ 	"bgt	18b			@ }				\n"
+ 	"21:				@				\n"
+@@ -1249,6 +1250,7 @@ fz_subsample_pixmap(fz_context *ctx, fz_pixmap *tile, int factor)
+ 		x += f;
+ 		if (x > 0)
+ 		{
++			int back4 = x * n - 1;
+ 			div = x * y;
+ 			for (nn = n; nn > 0; nn--)
+ 			{
+@@ -1263,7 +1265,7 @@ fz_subsample_pixmap(fz_context *ctx, fz_pixmap *tile, int factor)
+ 					s -= back5;
+ 				}
+ 				*d++ = v / div;
+-				s -= back2;
++				s -= back4;
+ 			}
+ 		}
+ 	}
diff --git a/app-text/mupdf/files/mupdf-1.10a-null-pointer.patch b/app-text/mupdf/files/mupdf-1.10a-null-pointer.patch
new file mode 100644
index 000000000000..9a459b28011e
--- /dev/null
+++ b/app-text/mupdf/files/mupdf-1.10a-null-pointer.patch
@@ -0,0 +1,21 @@
+From: Sebastian Rasmussen <sebras@gmail.com>
+Date: Sat, 4 Feb 2017 05:21:20 +0000 (+0100)
+Subject: Bug 697514: Write SVG output to stdout if no output specified.
+X-Git-Url: http://git.ghostscript.com/?p=mupdf.git;a=commitdiff_plain;h=40ac85bfb676bb4373bda4b18f9fd90268c9f1e9
+
+Bug 697514: Write SVG output to stdout if no output specified.
+---
+
+diff --git a/source/tools/mudraw.c b/source/tools/mudraw.c
+index 95b3440..720e7ff 100644
+--- a/source/tools/mudraw.c
++++ b/source/tools/mudraw.c
+@@ -578,7 +578,7 @@ static void dodrawpage(fz_context *ctx, fz_page *page, fz_display_list *list, in
+ 		char buf[512];
+ 		fz_output *out;
+ 
+-		if (!strcmp(output, "-"))
++		if (!output || !strcmp(output, "-"))
+ 			out = fz_stdout(ctx);
+ 		else
+ 		{