Added fix for CVE-2023-44488
Resolves: RHEL-11631
This commit is contained in:
Jan Horak
Eike Rathke
parent
b8534213b8
commit
cedd08e465
127
CVE-2023-44488-libvpx.patch
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127
CVE-2023-44488-libvpx.patch
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@ -0,0 +1,127 @@
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From 263682c9a29395055f3b3afe2d97be1828a6223f Mon Sep 17 00:00:00 2001
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From: Jerome Jiang <jianj@google.com>
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Date: Thu, 30 Jun 2022 13:48:56 -0400
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Subject: [PATCH] Fix bug with smaller width bigger size
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Fixed previous patch that clusterfuzz failed on.
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Bug: webm:1642
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Change-Id: If0e08e72abd2e042efe4dcfac21e4cc51afdfdb9
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---
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test/resize_test.cc | 11 +++--------
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vp9/common/vp9_alloccommon.c | 13 ++++++-------
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vp9/encoder/vp9_encoder.c | 27 +++++++++++++++++++++++++--
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3 files changed, 34 insertions(+), 17 deletions(-)
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diff --git a/test/resize_test.cc b/test/resize_test.cc
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index fd1c2a92de6..20ad2229b46 100644
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--- a/test/resize_test.cc
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+++ b/test/resize_test.cc
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@@ -102,11 +102,8 @@ void ScaleForFrameNumber(unsigned int frame, unsigned int initial_w,
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if (frame < 30) {
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return;
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}
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- if (frame < 100) {
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- *w = initial_w * 7 / 10;
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- *h = initial_h * 16 / 10;
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- return;
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- }
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+ *w = initial_w * 7 / 10;
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+ *h = initial_h * 16 / 10;
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return;
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}
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if (frame < 10) {
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@@ -559,9 +556,7 @@ TEST_P(ResizeRealtimeTest, TestExternalResizeWorks) {
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}
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}
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-// TODO(https://crbug.com/webm/1642): This causes a segfault in
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-// init_encode_frame_mb_context().
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-TEST_P(ResizeRealtimeTest, DISABLED_TestExternalResizeSmallerWidthBiggerSize) {
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+TEST_P(ResizeRealtimeTest, TestExternalResizeSmallerWidthBiggerSize) {
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ResizingVideoSource video;
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video.flag_codec_ = true;
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video.smaller_width_larger_size_ = true;
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diff --git a/vp9/common/vp9_alloccommon.c b/vp9/common/vp9_alloccommon.c
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index e53883f621d..9e73e40ea09 100644
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--- a/vp9/common/vp9_alloccommon.c
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+++ b/vp9/common/vp9_alloccommon.c
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@@ -135,13 +135,6 @@ int vp9_alloc_context_buffers(VP9_COMMON *cm, int width, int height) {
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cm->free_mi(cm);
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if (cm->alloc_mi(cm, new_mi_size)) goto fail;
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}
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-
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- if (cm->seg_map_alloc_size < cm->mi_rows * cm->mi_cols) {
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- // Create the segmentation map structure and set to 0.
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- free_seg_map(cm);
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- if (alloc_seg_map(cm, cm->mi_rows * cm->mi_cols)) goto fail;
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- }
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-
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if (cm->above_context_alloc_cols < cm->mi_cols) {
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vpx_free(cm->above_context);
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cm->above_context = (ENTROPY_CONTEXT *)vpx_calloc(
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@@ -156,6 +149,12 @@ int vp9_alloc_context_buffers(VP9_COMMON *cm, int width, int height) {
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cm->above_context_alloc_cols = cm->mi_cols;
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}
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+ if (cm->seg_map_alloc_size < cm->mi_rows * cm->mi_cols) {
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+ // Create the segmentation map structure and set to 0.
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+ free_seg_map(cm);
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+ if (alloc_seg_map(cm, cm->mi_rows * cm->mi_cols)) goto fail;
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+ }
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+
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if (vp9_alloc_loop_filter(cm)) goto fail;
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return 0;
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diff --git a/vp9/encoder/vp9_encoder.c b/vp9/encoder/vp9_encoder.c
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index 69a4e3c314f..e3ba294c32f 100644
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--- a/vp9/encoder/vp9_encoder.c
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+++ b/vp9/encoder/vp9_encoder.c
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@@ -2047,6 +2047,17 @@ static void alloc_copy_partition_data(VP9_COMP *cpi) {
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}
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}
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+static void free_copy_partition_data(VP9_COMP *cpi) {
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+ vpx_free(cpi->prev_partition);
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+ cpi->prev_partition = NULL;
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+ vpx_free(cpi->prev_segment_id);
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+ cpi->prev_segment_id = NULL;
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+ vpx_free(cpi->prev_variance_low);
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+ cpi->prev_variance_low = NULL;
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+ vpx_free(cpi->copied_frame_cnt);
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+ cpi->copied_frame_cnt = NULL;
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+}
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+
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void vp9_change_config(struct VP9_COMP *cpi, const VP9EncoderConfig *oxcf) {
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VP9_COMMON *const cm = &cpi->common;
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RATE_CONTROL *const rc = &cpi->rc;
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@@ -2126,6 +2137,8 @@ void vp9_change_config(struct VP9_COMP *cpi, const VP9EncoderConfig *oxcf) {
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new_mi_size = cm->mi_stride * calc_mi_size(cm->mi_rows);
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if (cm->mi_alloc_size < new_mi_size) {
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vp9_free_context_buffers(cm);
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+ vp9_free_pc_tree(&cpi->td);
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+ vpx_free(cpi->mbmi_ext_base);
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alloc_compressor_data(cpi);
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realloc_segmentation_maps(cpi);
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cpi->initial_width = cpi->initial_height = 0;
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@@ -2144,8 +2157,18 @@ void vp9_change_config(struct VP9_COMP *cpi, const VP9EncoderConfig *oxcf) {
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update_frame_size(cpi);
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if (last_w != cpi->oxcf.width || last_h != cpi->oxcf.height) {
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- memset(cpi->consec_zero_mv, 0,
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- cm->mi_rows * cm->mi_cols * sizeof(*cpi->consec_zero_mv));
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+ vpx_free(cpi->consec_zero_mv);
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+ CHECK_MEM_ERROR(
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+ &cm->error, cpi->consec_zero_mv,
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+ vpx_calloc(cm->mi_rows * cm->mi_cols, sizeof(*cpi->consec_zero_mv)));
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+
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+ vpx_free(cpi->skin_map);
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+ CHECK_MEM_ERROR(
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+ &cm->error, cpi->skin_map,
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+ vpx_calloc(cm->mi_rows * cm->mi_cols, sizeof(cpi->skin_map[0])));
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+
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+ free_copy_partition_data(cpi);
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+ alloc_copy_partition_data(cpi);
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if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ)
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vp9_cyclic_refresh_reset_resize(cpi);
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rc->rc_1_frame = 0;
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@ -230,6 +230,9 @@ Patch155: rhbz-1354671.patch
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# GENDIFF_DIFF_ARGS=-U0 gendiff firefox-xxxx .firefox-tests-reftest
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Patch201: firefox-tests-xpcshell-freeze.patch
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# ---- Security patches ----
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Patch301: CVE-2023-44488-libvpx.patch
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# BUILD REQURES/REQUIRES
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%if %{?system_nss} && !0%{?bundle_nss}
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BuildRequires: pkgconfig(nspr) >= %{nspr_version}
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@ -1035,6 +1038,11 @@ echo "--------------------------------------------"
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# ---- Test patches ----
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%patch -P201 -p1 -b .firefox-tests-xpcshell-freeze
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# ---- Security patches ----
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cd media/libvpx/libvpx
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%patch -P301 -p1 -b .CVE-2023-44488-libvpx
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cd -
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%{__rm} -f .mozconfig
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%{__cp} %{SOURCE10} .mozconfig
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%{__cp} %{SOURCE24} mozilla-api-key
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