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authorChangqing Li <changqing.li@windriver.com>2018-08-28 17:03:51 +0800
committerRichard Purdie <richard.purdie@linuxfoundation.org>2018-08-29 10:40:08 +0100
commit8aa8bc77ef311b1c9dffcd2e2c0da610697b89fd (patch)
tree1a2ca090b48b67904772a62074cdbe15ccd57b1a
parentb25f5e8efbe723520fa6e6311767c35e4cb71859 (diff)
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squashfs-tools: patch for CVE-2015-4645(4646)
Signed-off-by: Changqing Li <changqing.li@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
-rw-r--r--meta/recipes-devtools/squashfs-tools/squashfs-tools/0001-squashfs-tools-patch-for-CVE-2015-4645-6.patch47
-rw-r--r--meta/recipes-devtools/squashfs-tools/squashfs-tools_git.bb1
2 files changed, 48 insertions, 0 deletions
diff --git a/meta/recipes-devtools/squashfs-tools/squashfs-tools/0001-squashfs-tools-patch-for-CVE-2015-4645-6.patch b/meta/recipes-devtools/squashfs-tools/squashfs-tools/0001-squashfs-tools-patch-for-CVE-2015-4645-6.patch
new file mode 100644
index 0000000000..2261ea94b7
--- /dev/null
+++ b/meta/recipes-devtools/squashfs-tools/squashfs-tools/0001-squashfs-tools-patch-for-CVE-2015-4645-6.patch
@@ -0,0 +1,47 @@
+From 3c0d67184d6edb63f3b7d6d5eb81531daa6388f3 Mon Sep 17 00:00:00 2001
+From: Changqing Li <changqing.li@windriver.com>
+Date: Tue, 28 Aug 2018 16:25:36 +0800
+Subject: [PATCH] squashfs-tools: patch for CVE-2015-4645(6)
+
+Upstream-Status: Backport[https://github.com/devttys0/sasquatch/pull/
+ 5/commits/6777e08cc38bc780d27c69c1d8c272867b74524f]
+
+CVE: CVE-2015-4645 CVE-2015-4646
+
+Signed-off-by: Changqing Li <changqing.li@windriver.com>
+---
+ squashfs-tools/unsquash-4.c | 11 ++++++++---
+ 1 file changed, 8 insertions(+), 3 deletions(-)
+
+diff --git a/squashfs-tools/unsquash-4.c b/squashfs-tools/unsquash-4.c
+index ecdaac7..692ae25 100644
+--- a/squashfs-tools/unsquash-4.c
++++ b/squashfs-tools/unsquash-4.c
+@@ -31,9 +31,9 @@ static unsigned int *id_table;
+ int read_fragment_table_4(long long *directory_table_end)
+ {
+ int res, i;
+- int bytes = SQUASHFS_FRAGMENT_BYTES(sBlk.s.fragments);
+- int indexes = SQUASHFS_FRAGMENT_INDEXES(sBlk.s.fragments);
+- long long fragment_table_index[indexes];
++ size_t bytes = SQUASHFS_FRAGMENT_BYTES(sBlk.s.fragments);
++ size_t indexes = SQUASHFS_FRAGMENT_INDEXES(sBlk.s.fragments);
++ long long *fragment_table_index;
+
+ TRACE("read_fragment_table: %d fragments, reading %d fragment indexes "
+ "from 0x%llx\n", sBlk.s.fragments, indexes,
+@@ -43,6 +43,11 @@ int read_fragment_table_4(long long *directory_table_end)
+ *directory_table_end = sBlk.s.fragment_table_start;
+ return TRUE;
+ }
++
++ fragment_table_index = malloc(indexes*sizeof(long long));
++ if(fragment_table_index == NULL)
++ EXIT_UNSQUASH("read_fragment_table: failed to allocate "
++ "fragment table index\n");
+
+ fragment_table = malloc(bytes);
+ if(fragment_table == NULL)
+--
+2.7.4
+
diff --git a/meta/recipes-devtools/squashfs-tools/squashfs-tools_git.bb b/meta/recipes-devtools/squashfs-tools/squashfs-tools_git.bb
index 4bee3713a7..2f41263457 100644
--- a/meta/recipes-devtools/squashfs-tools/squashfs-tools_git.bb
+++ b/meta/recipes-devtools/squashfs-tools/squashfs-tools_git.bb
@@ -15,6 +15,7 @@ SRC_URI = "git://github.com/plougher/squashfs-tools.git;protocol=https \
file://0001-mksquashfs.c-get-inline-functions-work-with-C99.patch;striplevel=2 \
file://squashfs-tools-4.3-sysmacros.patch;striplevel=2 \
file://fix-compat.patch \
+ file://0001-squashfs-tools-patch-for-CVE-2015-4645-6.patch;striplevel=2 \
"
UPSTREAM_CHECK_COMMITS = "1"
SRC_URI[lzma.md5sum] = "29d5ffd03a5a3e51aef6a74e9eafb759"