diff options
Diffstat (limited to 'gnu/packages/patches/libvpx-CVE-2023-44488.patch')
| -rw-r--r-- | gnu/packages/patches/libvpx-CVE-2023-44488.patch | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/gnu/packages/patches/libvpx-CVE-2023-44488.patch b/gnu/packages/patches/libvpx-CVE-2023-44488.patch new file mode 100644 index 0000000000..4ebb034eb4 --- /dev/null +++ b/gnu/packages/patches/libvpx-CVE-2023-44488.patch @@ -0,0 +1,107 @@ +From the upstream repo, can be removed after 1.14.1 +https://github.com/webmproject/libvpx/commit/df9fd9d5b7325060b2b921558a1eb20ca7880937.patch +https://www.openwall.com/lists/oss-security/2023/09/30/4 + +The test change didn't apply so it was removed from the patch + +From df9fd9d5b7325060b2b921558a1eb20ca7880937 Mon Sep 17 00:00:00 2001 +From: Jerome Jiang <jianj@google.com> +Date: Thu, 30 Jun 2022 13:48:56 -0400 +Subject: [PATCH] Fix bug with smaller width bigger size + +Fixed previous patch that clusterfuzz failed on. + +Local fuzzing passing overnight. + +Bug: webm:1642 +Change-Id: If0e08e72abd2e042efe4dcfac21e4cc51afdfdb9 +(cherry picked from commit 263682c9a29395055f3b3afe2d97be1828a6223f) +--- + test/resize_test.cc | 11 +++-------- + vp9/common/vp9_alloccommon.c | 13 ++++++------- + vp9/encoder/vp9_encoder.c | 27 +++++++++++++++++++++++++-- + 3 files changed, 34 insertions(+), 17 deletions(-) + +diff --git a/vp9/common/vp9_alloccommon.c b/vp9/common/vp9_alloccommon.c +index e53883f621d..9e73e40ea09 100644 +--- a/vp9/common/vp9_alloccommon.c ++++ b/vp9/common/vp9_alloccommon.c +@@ -135,13 +135,6 @@ int vp9_alloc_context_buffers(VP9_COMMON *cm, int width, int height) { + cm->free_mi(cm); + if (cm->alloc_mi(cm, new_mi_size)) goto fail; + } +- +- if (cm->seg_map_alloc_size < cm->mi_rows * cm->mi_cols) { +- // Create the segmentation map structure and set to 0. +- free_seg_map(cm); +- if (alloc_seg_map(cm, cm->mi_rows * cm->mi_cols)) goto fail; +- } +- + if (cm->above_context_alloc_cols < cm->mi_cols) { + vpx_free(cm->above_context); + cm->above_context = (ENTROPY_CONTEXT *)vpx_calloc( +@@ -156,6 +149,12 @@ int vp9_alloc_context_buffers(VP9_COMMON *cm, int width, int height) { + cm->above_context_alloc_cols = cm->mi_cols; + } + ++ if (cm->seg_map_alloc_size < cm->mi_rows * cm->mi_cols) { ++ // Create the segmentation map structure and set to 0. ++ free_seg_map(cm); ++ if (alloc_seg_map(cm, cm->mi_rows * cm->mi_cols)) goto fail; ++ } ++ + if (vp9_alloc_loop_filter(cm)) goto fail; + + return 0; +diff --git a/vp9/encoder/vp9_encoder.c b/vp9/encoder/vp9_encoder.c +index b66fdc0bca3..e3850775455 100644 +--- a/vp9/encoder/vp9_encoder.c ++++ b/vp9/encoder/vp9_encoder.c +@@ -1973,6 +1973,17 @@ static void alloc_copy_partition_data(VP9_COMP *cpi) { + } + } + ++static void free_copy_partition_data(VP9_COMP *cpi) { ++ vpx_free(cpi->prev_partition); ++ cpi->prev_partition = NULL; ++ vpx_free(cpi->prev_segment_id); ++ cpi->prev_segment_id = NULL; ++ vpx_free(cpi->prev_variance_low); ++ cpi->prev_variance_low = NULL; ++ vpx_free(cpi->copied_frame_cnt); ++ cpi->copied_frame_cnt = NULL; ++} ++ + void vp9_change_config(struct VP9_COMP *cpi, const VP9EncoderConfig *oxcf) { + VP9_COMMON *const cm = &cpi->common; + RATE_CONTROL *const rc = &cpi->rc; +@@ -2052,6 +2063,8 @@ void vp9_change_config(struct VP9_COMP *cpi, const VP9EncoderConfig *oxcf) { + new_mi_size = cm->mi_stride * calc_mi_size(cm->mi_rows); + if (cm->mi_alloc_size < new_mi_size) { + vp9_free_context_buffers(cm); ++ vp9_free_pc_tree(&cpi->td); ++ vpx_free(cpi->mbmi_ext_base); + alloc_compressor_data(cpi); + realloc_segmentation_maps(cpi); + cpi->initial_width = cpi->initial_height = 0; +@@ -2070,8 +2083,18 @@ void vp9_change_config(struct VP9_COMP *cpi, const VP9EncoderConfig *oxcf) { + update_frame_size(cpi); + + if (last_w != cpi->oxcf.width || last_h != cpi->oxcf.height) { +- memset(cpi->consec_zero_mv, 0, +- cm->mi_rows * cm->mi_cols * sizeof(*cpi->consec_zero_mv)); ++ vpx_free(cpi->consec_zero_mv); ++ CHECK_MEM_ERROR( ++ cm, cpi->consec_zero_mv, ++ vpx_calloc(cm->mi_rows * cm->mi_cols, sizeof(*cpi->consec_zero_mv))); ++ ++ vpx_free(cpi->skin_map); ++ CHECK_MEM_ERROR( ++ cm, cpi->skin_map, ++ vpx_calloc(cm->mi_rows * cm->mi_cols, sizeof(cpi->skin_map[0]))); ++ ++ free_copy_partition_data(cpi); ++ alloc_copy_partition_data(cpi); + if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ) + vp9_cyclic_refresh_reset_resize(cpi); + rc->rc_1_frame = 0; |