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| author | Leo Famulari <leo@famulari.name> | 2021-04-24 14:24:19 -0400 |
|---|---|---|
| committer | Leo Famulari <leo@famulari.name> | 2021-04-27 01:58:55 -0400 |
| commit | 46a65b5a3d6b89313072567694b769b130758516 (patch) | |
| tree | 495dc7b88a4f6f8a81afe18ab844575cdf5c4c46 | |
| parent | c48b8fed25c6f9bca95bbae9f85e333be70a6ee0 (diff) | |
| download | guix-46a65b5a3d6b89313072567694b769b130758516.tar.gz | |
gnu: gst-libav: Fix a stack corruption bug.
* gnu/packages/patches/gst-libav-64channels-stack-corruption.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/gstreamer.scm (gst-libav)[source]: Use it.
| -rw-r--r-- | gnu/local.mk | 1 | ||||
| -rw-r--r-- | gnu/packages/gstreamer.scm | 1 | ||||
| -rw-r--r-- | gnu/packages/patches/gst-libav-64channels-stack-corruption.patch | 31 |
3 files changed, 33 insertions, 0 deletions
diff --git a/gnu/local.mk b/gnu/local.mk index ed3f0d48f7..5e02e0cd47 100644 --- a/gnu/local.mk +++ b/gnu/local.mk @@ -1169,6 +1169,7 @@ dist_patch_DATA = \ %D%/packages/patches/grub-setup-root.patch \ %D%/packages/patches/grub-verifiers-Blocklist-fallout-cleanup.patch \ %D%/packages/patches/gspell-dash-test.patch \ + %D%/packages/patches/gst-libav-64channels-stack-corruption.patch \ %D%/packages/patches/gst-plugins-good-fix-test.patch \ %D%/packages/patches/gst-plugins-good-CVE-2021-3497.patch \ %D%/packages/patches/gst-plugins-good-CVE-2021-3498.patch \ diff --git a/gnu/packages/gstreamer.scm b/gnu/packages/gstreamer.scm index 6a050ca297..81ac0a2f5f 100644 --- a/gnu/packages/gstreamer.scm +++ b/gnu/packages/gstreamer.scm @@ -851,6 +851,7 @@ think twice about shipping them.") (string-append "https://gstreamer.freedesktop.org/src/" name "/" name "-" version ".tar.xz")) + (patches (search-patches "gst-libav-64channels-stack-corruption.patch")) (sha256 (base32 "0jbzams9ggk3sq9ywv4gsl9rghyn203l2582m6l5c1sz9ka9m5in")))) (build-system meson-build-system) diff --git a/gnu/packages/patches/gst-libav-64channels-stack-corruption.patch b/gnu/packages/patches/gst-libav-64channels-stack-corruption.patch new file mode 100644 index 0000000000..cc174e618d --- /dev/null +++ b/gnu/packages/patches/gst-libav-64channels-stack-corruption.patch @@ -0,0 +1,31 @@ +Fix a stack corruption when handling files with more than 64 audio +channels: + +https://gstreamer.freedesktop.org/security/sa-2021-0005.html + +Patch copied from upstream source repository: + +https://gitlab.freedesktop.org/gstreamer/gst-libav/-/commit/dcea8baa14a5fc3b796d876baaf2f238546ba2b1 + +diff --git a/ext/libav/gstavcodecmap.c b/ext/libav/gstavcodecmap.c +index b5be4bb7a5f2712f78383da9319754a8849e3307..be22f22cf5c7c7b22b13e44b10999adaacbcca2b 100644 +--- a/ext/libav/gstavcodecmap.c ++++ b/ext/libav/gstavcodecmap.c +@@ -102,7 +102,7 @@ gst_ffmpeg_channel_layout_to_gst (guint64 channel_layout, gint channels, + guint nchannels = 0; + gboolean none_layout = FALSE; + +- if (channel_layout == 0) { ++ if (channel_layout == 0 || channels > 64) { + nchannels = channels; + none_layout = TRUE; + } else { +@@ -163,7 +163,7 @@ gst_ffmpeg_channel_layout_to_gst (guint64 channel_layout, gint channels, + } else { + guint i; + +- for (i = 0; i < nchannels; i++) ++ for (i = 0; i < nchannels && i < 64; i++) + pos[i] = GST_AUDIO_CHANNEL_POSITION_NONE; + } + } |