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author | Tobias Geerinckx-Rice <me@tobias.gr> | 2023-09-24 02:00:00 +0200 |
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committer | Tobias Geerinckx-Rice <me@tobias.gr> | 2023-09-24 02:00:00 +0200 |
commit | b2ab38cd82acd8164383335af084f5da4a499332 (patch) | |
tree | aaf1f8a5930d5ffcdfcecff2bb983009da223af3 /gnu/packages/patches | |
parent | 79abbaf4e48a08d30f0f967a99b2db764c882801 (diff) | |
download | guix-b2ab38cd82acd8164383335af084f5da4a499332.tar.gz guix-b2ab38cd82acd8164383335af084f5da4a499332.zip |
gnu: libvpx: Graft to fix CVE-2023-5217.
* gnu/packages/video.scm (libvpx)[replacement]: New field, set to…
(libvpx/fixed): …this new variable.
* gnu/packages/patches/libvpx-CVE-2023-5217.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
Diffstat (limited to 'gnu/packages/patches')
-rw-r--r-- | gnu/packages/patches/libvpx-CVE-2023-5217.patch | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/gnu/packages/patches/libvpx-CVE-2023-5217.patch b/gnu/packages/patches/libvpx-CVE-2023-5217.patch new file mode 100644 index 0000000000..2bcb0bcd55 --- /dev/null +++ b/gnu/packages/patches/libvpx-CVE-2023-5217.patch @@ -0,0 +1,99 @@ +From: Tobias Geerinckx-Rice <me@tobias.gr> +Date: Sun Sep 24 02:00:00 2023 +0200 +Subject: libvpx: Fix CVE-2023-5217. + +These are the changes made to libvpx between Firefox ESR 115.3.0 and +115.3.1, which claims to fix CVE-2023-5217 and so do we. The report +itself is not public. + +It consists of the following 2 upstream libvpx commits: + af6dedd715f4307669366944cca6e0417b290282 + 3fbd1dca6a4d2dad332a2110d646e4ffef36d590 +which are not yet part of an upstream commit. + +--- +diff -Naur libvpx.orig/test/encode_api_test.cc libvpx/test/encode_api_test.cc +--- libvpx.orig/test/encode_api_test.cc 1970-01-01 01:00:01.000000000 +0100 ++++ libvpx/test/encode_api_test.cc 2023-09-29 21:00:03.189620452 +0200 +@@ -304,7 +304,6 @@ + + void InitCodec(const vpx_codec_iface_t &iface, int width, int height, + vpx_codec_ctx_t *enc, vpx_codec_enc_cfg_t *cfg) { +- ASSERT_EQ(vpx_codec_enc_config_default(&iface, cfg, 0), VPX_CODEC_OK); + cfg->g_w = width; + cfg->g_h = height; + cfg->g_lag_in_frames = 0; +@@ -342,6 +341,7 @@ + vpx_codec_ctx_t ctx = {}; + } enc; + ++ ASSERT_EQ(vpx_codec_enc_config_default(iface, &cfg, 0), VPX_CODEC_OK); + EXPECT_NO_FATAL_FAILURE( + InitCodec(*iface, kWidth, kHeight, &enc.ctx, &cfg)); + if (IsVP9(iface)) { +@@ -353,6 +353,50 @@ + + for (const auto threads : { 1, 4, 8, 6, 2, 1 }) { + cfg.g_threads = threads; ++ EXPECT_NO_FATAL_FAILURE(EncodeWithConfig(cfg, &enc.ctx)) ++ << "iteration: " << i << " threads: " << threads; ++ } ++ } ++ } ++} ++ ++TEST(EncodeAPI, ConfigResizeChangeThreadCount) { ++ constexpr int kInitWidth = 1024; ++ constexpr int kInitHeight = 1024; ++ ++ for (const auto *iface : kCodecIfaces) { ++ SCOPED_TRACE(vpx_codec_iface_name(iface)); ++ for (int i = 0; i < (IsVP9(iface) ? 2 : 1); ++i) { ++ vpx_codec_enc_cfg_t cfg = {}; ++ struct Encoder { ++ ~Encoder() { EXPECT_EQ(vpx_codec_destroy(&ctx), VPX_CODEC_OK); } ++ vpx_codec_ctx_t ctx = {}; ++ } enc; ++ ++ ASSERT_EQ(vpx_codec_enc_config_default(iface, &cfg, 0), VPX_CODEC_OK); ++ // Start in threaded mode to ensure resolution and thread related ++ // allocations are updated correctly across changes in resolution and ++ // thread counts. See https://crbug.com/1486441. ++ cfg.g_threads = 4; ++ EXPECT_NO_FATAL_FAILURE( ++ InitCodec(*iface, kInitWidth, kInitHeight, &enc.ctx, &cfg)); ++ if (IsVP9(iface)) { ++ EXPECT_EQ(vpx_codec_control_(&enc.ctx, VP9E_SET_TILE_COLUMNS, 6), ++ VPX_CODEC_OK); ++ EXPECT_EQ(vpx_codec_control_(&enc.ctx, VP9E_SET_ROW_MT, i), ++ VPX_CODEC_OK); ++ } ++ ++ cfg.g_w = 1000; ++ cfg.g_h = 608; ++ EXPECT_EQ(vpx_codec_enc_config_set(&enc.ctx, &cfg), VPX_CODEC_OK) ++ << vpx_codec_error_detail(&enc.ctx); ++ ++ cfg.g_w = 16; ++ cfg.g_h = 720; ++ ++ for (const auto threads : { 1, 4, 8, 6, 2, 1 }) { ++ cfg.g_threads = threads; + EXPECT_NO_FATAL_FAILURE(EncodeWithConfig(cfg, &enc.ctx)) + << "iteration: " << i << " threads: " << threads; + } +diff -Naur libvpx.orig/vp8/encoder/onyx_if.c libvpx/vp8/encoder/onyx_if.c +--- libvpx.orig/vp8/encoder/onyx_if.c 1970-01-01 01:00:01.000000000 +0100 ++++ libvpx/vp8/encoder/onyx_if.c 2023-09-29 21:01:44.155476128 +0200 +@@ -1443,6 +1443,11 @@ + last_h = cpi->oxcf.Height; + prev_number_of_layers = cpi->oxcf.number_of_layers; + ++ if (cpi->initial_width) { ++ // TODO(https://crbug.com/1486441): Allow changing thread counts; the ++ // allocation is done once in vp8_create_compressor(). ++ oxcf->multi_threaded = cpi->oxcf.multi_threaded; ++ } + cpi->oxcf = *oxcf; + + switch (cpi->oxcf.Mode) { |