From: DaanDeMeyer <daan.j.demeyer@gmail.com>
Date: Fri, 26 Dec 2025 21:36:21 +0000 (+0100)
Subject: dissect: Fix segmentation fault if loop device is not provided
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a0a4e9d7d22296b856a9f6118eb158cab9826a8d;p=thirdparty%2Fsystemd.git

dissect: Fix segmentation fault if loop device is not provided
---

diff --git a/src/dissect/dissect.c b/src/dissect/dissect.c
index bb0a0a16efb..a69bab85000 100644
--- a/src/dissect/dissect.c
+++ b/src/dissect/dissect.c
@@ -1799,7 +1799,7 @@ static int action_with(DissectedImage *m, LoopDevice *d) {
                         _exit(EXIT_FAILURE);
                 }
 
-                if (setenv("SYSTEMD_DISSECT_DEVICE", d->node, /* overwrite= */ true) < 0) {
+                if (d && setenv("SYSTEMD_DISSECT_DEVICE", d->node, /* overwrite= */ true) < 0) {
                         log_error_errno(errno, "Failed to set $SYSTEMD_DISSECT_DEVICE: %m");
                         _exit(EXIT_FAILURE);
                 }