1 files changed, 0 insertions, 51 deletions
diff --git a/media-libs/jbig2dec/files/jbig2dec-0.18-extra-overflow-checks.patch b/media-libs/jbig2dec/files/jbig2dec-0.18-extra-overflow-checks.patch
deleted file mode 100644
index 52a7f448e6f3..000000000000
--- a/media-libs/jbig2dec/files/jbig2dec-0.18-extra-overflow-checks.patch
+++ /dev/null
@@ -1,51 +0,0 @@
-https://github.com/ArtifexSoftware/jbig2dec/commit/873694419b3498708b90c5c36ee0a73795a90c84
-----
-From 873694419b3498708b90c5c36ee0a73795a90c84 Mon Sep 17 00:00:00 2001
-From: Sebastian Rasmussen <sebras@gmail.com>
-Date: Sun, 15 Sep 2019 17:31:48 +0200
-Subject: [PATCH] jbig2dec: Handle under-/overflow detection and messaging
- better.
-
-Previously SYMWIDTH was capped too early in order to prevent underflow
-Moreover TOTWIDTH was allowed to overflow.
-
-Now the value DW is checked compared to SYMWIDTH, preventing over
-underflow and overflow at the correct limits, and an overflow
-check has been added for TOTWIDTH.
----
- jbig2_symbol_dict.c | 18 ++++++++++++++----
- 1 file changed, 14 insertions(+), 4 deletions(-)
-
-diff --git a/jbig2_symbol_dict.c b/jbig2_symbol_dict.c
-index e606529..bc6e98c 100644
---- a/jbig2_symbol_dict.c
-+++ b/jbig2_symbol_dict.c
-@@ -428,14 +428,24 @@ jbig2_decode_symbol_dict(Jbig2Ctx *ctx,
-                 break;
-             }
- 
-+            if (DW < 0 && SYMWIDTH < (uint32_t) -DW) {
-+                code = jbig2_error(ctx, JBIG2_SEVERITY_FATAL, segment->number, "DW value (%d) would make SYMWIDTH (%u) negative at symbol %u", DW, SYMWIDTH, NSYMSDECODED + 1);
-+                goto cleanup;
-+            }
-+            if (DW > 0 && DW > UINT32_MAX - SYMWIDTH) {
-+                code = jbig2_error(ctx, JBIG2_SEVERITY_FATAL, segment->number, "DW value (%d) would make SYMWIDTH (%u) too large at symbol %u", DW, SYMWIDTH, NSYMSDECODED + 1);
-+                goto cleanup;
-+            }
-+
-             SYMWIDTH = SYMWIDTH + DW;
--            TOTWIDTH = TOTWIDTH + SYMWIDTH;
--            if ((int32_t) SYMWIDTH < 0) {
--                code = jbig2_error(ctx, JBIG2_SEVERITY_FATAL, segment->number, "invalid SYMWIDTH value (%d) at symbol %d", SYMWIDTH, NSYMSDECODED + 1);
-+            if (SYMWIDTH > UINT32_MAX - TOTWIDTH) {
-+                code = jbig2_error(ctx, JBIG2_SEVERITY_FATAL, segment->number, "SYMWIDTH value (%u) would make TOTWIDTH (%u) too large at symbol %u", SYMWIDTH, TOTWIDTH, NSYMSDECODED + 1);
-                 goto cleanup;
-             }
-+
-+            TOTWIDTH = TOTWIDTH + SYMWIDTH;
- #ifdef JBIG2_DEBUG
--            jbig2_error(ctx, JBIG2_SEVERITY_DEBUG, segment->number, "SYMWIDTH = %d TOTWIDTH = %d", SYMWIDTH, TOTWIDTH);
-+            jbig2_error(ctx, JBIG2_SEVERITY_DEBUG, segment->number, "SYMWIDTH = %u TOTWIDTH = %u", SYMWIDTH, TOTWIDTH);
- #endif
-             /* 6.5.5 (4c.ii) */
-             if (!params->SDHUFF || params->SDREFAGG) {