gptfdisk: add follow-up patch to fix with current popt

sgdisk still segfaults for some tasks (e.g 'sgdisk -v', 'sgdisk -V')

Add a follow-up patch that fixes the issue. It was taken from Archlinux

(From OE-Core rev: b2f3f8ced22da68eecd7689cc09e28f70100bd56)

Signed-off-by: Markus Volk <f_l_k@t-online.de>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 42 insertions, 0 deletions

diff --git a/meta/recipes-devtools/fdisk/gptfdisk/popt-1.19-follow-up.patch b/meta/recipes-devtools/fdisk/gptfdisk/popt-1.19-follow-up.patch
new file mode 100644
index 0000000000..c7fa965ec9
--- /dev/null
+++ b/meta/recipes-devtools/fdisk/gptfdisk/popt-1.19-follow-up.patch
@@ -0,0 +1,41 @@
+From f5de3401b974ce103ffd93af8f9d43505a04aaf9 Mon Sep 17 00:00:00 2001
+From: Damian Kurek <starfire24680@gmail.com>
+Date: Thu, 7 Jul 2022 03:39:16 +0000
+Subject: [PATCH] Fix NULL dereference when duplicating string argument
+
+poptGetArg can return NULL if there are no additional arguments, which
+makes strdup dereference NULL on strlen
+
+Upstream-Status: Submitted [https://sourceforge.net/p/gptfdisk/code/merge-requests/28/]
+
+---
+ gptcl.cc | 6 ++++--
+ 1 file changed, 4 insertions(+), 2 deletions(-)
+
+diff --git a/gptcl.cc b/gptcl.cc
+index 0d578eb..ab95239 100644
+--- a/gptcl.cc
++++ b/gptcl.cc
+@@ -155,10 +155,11 @@ int GPTDataCL::DoOptions(int argc, char* argv[]) {
+    } // while
+ 
+    // Assume first non-option argument is the device filename....
+-   device = strdup((char*) poptGetArg(poptCon));
+-   poptResetContext(poptCon);
++   device = (char*) poptGetArg(poptCon);
+ 
+    if (device != NULL) {
++      device = strdup(device);
++      poptResetContext(poptCon);
+       JustLooking(); // reset as necessary
+       BeQuiet(); // Tell called functions to be less verbose & interactive
+       if (LoadPartitions((string) device)) {
+@@ -498,6 +499,7 @@ int GPTDataCL::DoOptions(int argc, char* argv[]) {
+          cerr << "Error encountered; not saving changes.\n";
+          retval = 4;
+       } // if
++      free(device);
+    } // if (device != NULL)
+    poptFreeContext(poptCon);
+    return retval;
+
diff --git a/meta/recipes-devtools/fdisk/gptfdisk_1.0.9.bb b/meta/recipes-devtools/fdisk/gptfdisk_1.0.9.bb
index 66935b7fbb..cf0a60a1a9 100644
--- a/meta/recipes-devtools/fdisk/gptfdisk_1.0.9.bb
+++ b/meta/recipes-devtools/fdisk/gptfdisk_1.0.9.bb
@@ -12,6 +12,7 @@ SRC_URI = "${SOURCEFORGE_MIRROR}/${BPN}/${PV}/${BP}.tar.gz \
            file://0001-Updated-guid.cc-to-deal-with-minor-change-in-libuuid.patch \
            file://0001-Fix-failure-crash-of-sgdisk-when-compiled-with-lates.patch \
            file://0001-Use-64bit-time_t-on-linux-as-well.patch \
+           file://popt-1.19-follow-up.patch \
            "
 SRC_URI[sha256sum] = "dafead2693faeb8e8b97832b23407f6ed5b3219bc1784f482dd855774e2d50c2"