From 9c96e621e9abb0649118d2e1731a09b1fa139579 Mon Sep 17 00:00:00 2001

From: Vojtech Trefny <vtrefny@redhat.com>

Date: Wed, 19 Apr 2023 09:50:38 +0200

Subject: [PATCH] part: Fix segfault when adding a partition too big for MSDOS

Resolves: rhbz#2185564

---

 src/plugins/part.c | 8 ++++++++

 1 file changed, 8 insertions(+)

diff --git a/src/plugins/part.c b/src/plugins/part.c

index 8b2285f5..28e20c28 100644

--- a/src/plugins/part.c

+++ b/src/plugins/part.c

@@ -841,6 +841,14 @@ static gboolean resize_part (PedPartition *part, PedDevice *dev, PedDisk *disk,

         constr = ped_constraint_any (dev);

     geom = ped_disk_get_max_partition_geometry (disk, part, constr);

+    if (!geom) {

+        set_parted_error (error, BD_PART_ERROR_FAIL);

+        g_prefix_error (error, "Failed to create geometry for partition on device '%s'", dev->path);

+        ped_constraint_destroy (constr);

+        finish_alignment_constraint (disk, orig_flag_state);

+        return FALSE;

+    }

+

     if (!ped_geometry_set_start (geom, start)) {

         set_parted_error (error, BD_PART_ERROR_FAIL);

         g_prefix_error (error, "Failed to set partition start on device '%s'", dev->path);

-- 

2.40.1