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-rw-r--r--src/libsystemd-bus/bus-message.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsystemd-bus/bus-message.c b/src/libsystemd-bus/bus-message.c
index bc67c32380..3f68435d21 100644
--- a/src/libsystemd-bus/bus-message.c
+++ b/src/libsystemd-bus/bus-message.c
@@ -1284,7 +1284,7 @@ static int part_make_space(
part->munmap_this = true;
} else {
- n = realloc(part->data, sz);
+ n = realloc(part->data, MAX(sz, 1u));
if (!n) {
m->poisoned = true;
return -ENOMEM;