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authorRoss Burton <ross.burton@intel.com>2018-07-25 21:55:17 +0100
committerRichard Purdie <richard.purdie@linuxfoundation.org>2018-07-30 12:44:28 +0100
commita001833b7c7a0a6eef88e053fe65e2a0c91ca7bc (patch)
treee6b78dc52a21911e5477fc86daedb527f7abad70 /meta/recipes-extended/unzip
parent531e363db08711b5390af16f5491ca8a71a0610c (diff)
downloadopenembedded-core-contrib-a001833b7c7a0a6eef88e053fe65e2a0c91ca7bc.tar.gz
unzip: fix symlink problem
Large zip files can cause unzip to crash, take a patch from Fedora to fix it. Signed-off-by: Ross Burton <ross.burton@intel.com>
Diffstat (limited to 'meta/recipes-extended/unzip')
-rw-r--r--meta/recipes-extended/unzip/unzip/symlink.patch26
-rw-r--r--meta/recipes-extended/unzip/unzip_6.0.bb1
2 files changed, 27 insertions, 0 deletions
diff --git a/meta/recipes-extended/unzip/unzip/symlink.patch b/meta/recipes-extended/unzip/unzip/symlink.patch
new file mode 100644
index 00000000000..a38f6f16123
--- /dev/null
+++ b/meta/recipes-extended/unzip/unzip/symlink.patch
@@ -0,0 +1,26 @@
+Unzip doesn't handle large zip files well and crashes:
+
+"This only happens if you have more then 16k entries and when one of
+the 16k entry infos is reused it happend to be previously used for
+a symlink entry."
+
+This patch is taken from Fedora (https://bugzilla.redhat.com/show_bug.cgi?id=972427)
+
+Upstream-Status: Pending (upstream is dead)
+Signed-off-by: Ross Burton <ross.burton@intel.com>
+
+--- unzip60/process.c.sav 2013-06-09 12:08:57.070392264 +0200
++++ unzip60/process.c 2013-06-09 12:10:08.641696988 +0200
+@@ -1751,6 +1751,12 @@
+ = (G.crec.general_purpose_bit_flag & (1 << 11)) == (1 << 11);
+ #endif
+
++#ifdef SYMLINKS
++ /* Initialize the symlink flag, may be set by the platform-specific
++ mapattr function. */
++ G.pInfo->symlink = 0;
++#endif
++
+ return PK_COOL;
+
+ } /* end function process_cdir_file_hdr() */
diff --git a/meta/recipes-extended/unzip/unzip_6.0.bb b/meta/recipes-extended/unzip/unzip_6.0.bb
index 105d048f55b..dbf4112a4c6 100644
--- a/meta/recipes-extended/unzip/unzip_6.0.bb
+++ b/meta/recipes-extended/unzip/unzip_6.0.bb
@@ -19,6 +19,7 @@ SRC_URI = "${SOURCEFORGE_MIRROR}/infozip/UnZip%206.x%20%28latest%29/UnZip%206.0/
file://fix-security-format.patch \
file://18-cve-2014-9913-unzip-buffer-overflow.patch \
file://19-cve-2016-9844-zipinfo-buffer-overflow.patch \
+ file://symlink.patch \
"
UPSTREAM_VERSION_UNKNOWN = "1"