diff -Nru bolt-0.9.1/debian/changelog bolt-0.9.1/debian/changelog
--- bolt-0.9.1/debian/changelog	2022-02-25 22:20:33.000000000 +0000
+++ bolt-0.9.1/debian/changelog	2022-09-16 14:08:09.000000000 +0000
@@ -1,3 +1,11 @@
+bolt (0.9.1-2~ubuntu20.04.2) focal; urgency=medium
+
+  * debian/patches/git_initialize_syspath.patch:
+    - cherrypick an upstream that should help with some of the crashers
+      which have been reported against 0.9 (lp: #1989971)
+
+ -- Sebastien Bacher <seb128@ubuntu.com>  Fri, 16 Sep 2022 16:08:09 +0200
+
 bolt (0.9.1-2~ubuntu20.04.1) focal; urgency=medium
 
   * SRU into Ubuntu 20.04.
diff -Nru bolt-0.9.1/debian/patches/git_initialize_syspath.patch bolt-0.9.1/debian/patches/git_initialize_syspath.patch
--- bolt-0.9.1/debian/patches/git_initialize_syspath.patch	1970-01-01 00:00:00.000000000 +0000
+++ bolt-0.9.1/debian/patches/git_initialize_syspath.patch	2022-09-16 12:48:49.000000000 +0000
@@ -0,0 +1,28 @@
+From c2c0ff0778d53de267a4d18411125a5a366a1ba5 Mon Sep 17 00:00:00 2001
+From: Christian Kellner <christian@kellner.me>
+Date: Mon, 16 Aug 2021 18:31:08 +0000
+Subject: [PATCH] sysfs: initialize syspath in info_for_device
+
+Always initialize the syspath member of BoltDevInfo in
+info_for_device, so the struct has sane values even if
+the function fails.
+---
+ boltd/bolt-sysfs.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/boltd/bolt-sysfs.c b/boltd/bolt-sysfs.c
+index 744af85..dbc4129 100644
+--- a/boltd/bolt-sysfs.c
++++ b/boltd/bolt-sysfs.c
+@@ -506,6 +506,7 @@ bolt_sysfs_info_for_device (struct udev_device *udev,
+   info->full = FALSE;
+   info->parent = NULL;
+   info->generation = 0;
++  info->syspath = NULL;
+ 
+   auth = sysfs_get_sysattr_value_as_int (udev, "authorized");
+   info->authorized = auth;
+-- 
+GitLab
+
+
diff -Nru bolt-0.9.1/debian/patches/series bolt-0.9.1/debian/patches/series
--- bolt-0.9.1/debian/patches/series	2021-10-05 06:46:37.000000000 +0000
+++ bolt-0.9.1/debian/patches/series	2022-09-16 12:49:00.000000000 +0000
@@ -1 +1,2 @@
 git_umockdev_update.patch
+git_initialize_syspath.patch