package/patch: add CVE trailer in patches

Since Buildroot commit [1] the patches that fixes a security
vulnerability needs to reference the fixed vulnerability.

This patch adds the relevant information to the patches header as well
as the `Upstream` trailer.

[1] 1167d0ff3d docs/manual: mention CVE trailer

Signed-off-by: Thomas Perale <thomas.perale@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 74b079d9e9)
Signed-off-by: Thomas Perale <thomas.perale@mind.be>

.checkpackageignore

@@ -865,11 +865,7 @@ package/opusfile/0001-Propagate-allocation-failure-from-ogg_sync_buffer.patch li
 package/owfs/S55owserver Shellcheck lib_sysv.Variables
 package/owfs/S60owfs Shellcheck lib_sysv.Variables
 package/owl-linux/0001-fix-for-linux-3.3.x.patch lib_patch.Upstream
-package/patch/0001-Fix-segfault-with-mangled-rename-patch.patch lib_patch.Upstream
 package/patch/0002-Allow-input-files-to-be-missing-for-ed-style-patches.patch lib_patch.Upstream
-package/patch/0003-Fix-arbitrary-command-execution-in-ed-style-patches-.patch lib_patch.Upstream
-package/patch/0004-Invoke-ed-directly-instead-of-using-the-shell.patch lib_patch.Upstream
-package/patch/0005-Don-t-follow-symlinks-unless--follow-symlinks-is-given.patch lib_patch.Upstream
 package/patchelf/0001-Add-option-to-make-the-rpath-relative-under-a-specif.patch lib_patch.Upstream
 package/paxtest/0001-genpaxtest-move-log-location.patch lib_patch.Upstream
 package/paxtest/0002-paxtest-page-alignment-ARM-and-NIOS2-arch.patch lib_patch.Upstream

package/patch/0001-Fix-segfault-with-mangled-rename-patch.patch

@@ -7,10 +7,10 @@ http://savannah.gnu.org/bugs/?53132
 * src/pch.c (intuit_diff_type): Ensure that two filenames are specified
 for renames and copies (fix the existing check).
 
+CVE: CVE-2018-6951
+Upstream: https://cgit.git.savannah.gnu.org/cgit/patch.git/commit/?id=f290f48a621867084884bfff87f8093c15195e6a
 Signed-off-by: Baruch Siach <baruch@tkos.co.il>
 ---
-Patch status: upstream commit f290f48a6218
-
  src/pch.c | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)
 

package/patch/0003-Fix-arbitrary-command-execution-in-ed-style-patches-.patch

@@ -10,11 +10,11 @@ instead of rejecting them and carrying on.
 * tests/ed-style: New test case.
 * tests/Makefile.am (TESTS): Add test case.
 
+CVE: CVE-2018-1000156
+Upstream: https://cgit.git.savannah.gnu.org/cgit/patch.git/commit/?id=123eaff0d5d1aebe128295959435b9ca5909c26d
 [baruch: drop test hunks to avoid autoreconf]
 Signed-off-by: Baruch Siach <baruch@tkos.co.il>
 ---
-Upstream status: commit 123eaff0d5d1
-
  src/pch.c         | 91 ++++++++++++++++++++++++++++++++++++++++---------------
  tests/Makefile.am |  1 +
  tests/ed-style    | 41 +++++++++++++++++++++++++

package/patch/0004-Invoke-ed-directly-instead-of-using-the-shell.patch

@@ -5,8 +5,10 @@ Subject: Invoke ed directly instead of using the shell
 
 * src/pch.c (do_ed_script): Invoke ed directly instead of using a shell
 command to avoid quoting vulnerabilities.
-[Retrieved from:
-https://git.savannah.gnu.org/cgit/patch.git/commit/?id=3fcd042d26d70856e826a42b5f93dc4854d80bf0]
+
+CVE: CVE-2018-20969
+CVE: CVE-2019-13638
+Upstream: https://git.savannah.gnu.org/cgit/patch.git/commit/?id=3fcd042d26d70856e826a42b5f93dc4854d80bf0
 Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
 ---
  src/pch.c | 6 ++----

package/patch/0005-Don-t-follow-symlinks-unless--follow-symlinks-is-given.patch

@@ -9,8 +9,9 @@ the O_NOFOLLOW flag to avoid following symlinks.  So far, we were only doing
 that consistently for input files.
 * src/util.c (create_backup): When creating empty backup files, (re)create them
 with O_CREAT | O_EXCL to avoid following symlinks in that case as well.
-[Retrieved from:
-https://git.savannah.gnu.org/cgit/patch.git/commit/?id=dce4683cbbe107a95f1f0d45fabc304acfb5d71a]
+
+CVE: CVE-2019-13636
+Upstream: https://git.savannah.gnu.org/cgit/patch.git/commit/?id=dce4683cbbe107a95f1f0d45fabc304acfb5d71a
 Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
 ---
  src/inp.c  | 12 ++++++++++--