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authorLeo Famulari <leo@famulari.name>2017-03-27 21:19:38 -0400
committerLeo Famulari <leo@famulari.name>2017-03-27 21:19:38 -0400
commitc17383f400d3b942c22ec46b556cad8ca3a2fce1 (patch)
treef430fdc7b6e41a652b4a0dbdd08050f586e4b24d /gnu/packages/patches
parentb1a8fd2d2cf6bf1b20ba8d26ca6f9a7caef60cbc (diff)
parent7aeb4ffa5828206f89ec62226863c27f7c1c028d (diff)
downloadguix-c17383f400d3b942c22ec46b556cad8ca3a2fce1.tar
guix-c17383f400d3b942c22ec46b556cad8ca3a2fce1.tar.gz
Merge branch 'master' into core-updates
Diffstat (limited to 'gnu/packages/patches')
-rw-r--r--gnu/packages/patches/libgit2-use-after-free.patch24
1 files changed, 24 insertions, 0 deletions
diff --git a/gnu/packages/patches/libgit2-use-after-free.patch b/gnu/packages/patches/libgit2-use-after-free.patch
new file mode 100644
index 0000000000..580af8781a
--- /dev/null
+++ b/gnu/packages/patches/libgit2-use-after-free.patch
@@ -0,0 +1,24 @@
+This patch is taken from <https://github.com/libgit2/libgit2/pull/4122>;
+we need it to fix the use-after-free error in 'git_commit_extract_signature'
+reported at <https://github.com/libgit2/libgit2/issues/4118>.
+
+From ade0d9c658fdfc68d8046935f6908f033fe7a529 Mon Sep 17 00:00:00 2001
+From: Patrick Steinhardt <ps@pks.im>
+Date: Mon, 13 Feb 2017 13:46:17 +0100
+Subject: [PATCH 3/3] commit: avoid possible use-after-free
+
+diff --git a/src/commit.c b/src/commit.c
+index 89a4db1..05b70a9 100644
+--- a/src/commit.c
++++ b/src/commit.c
+@@ -766,8 +766,9 @@ int git_commit_extract_signature(git_buf *signature, git_buf *signed_data, git_r
+ if (git_buf_oom(signature))
+ goto oom;
+
++ error = git_buf_puts(signed_data, eol+1);
+ git_odb_object_free(obj);
+- return git_buf_puts(signed_data, eol+1);
++ return error;
+ }
+
+ giterr_set(GITERR_OBJECT, "this commit is not signed");