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Diffstat (limited to 'src/libsystemd/sd-bus/bus-kernel.c')
-rw-r--r--src/libsystemd/sd-bus/bus-kernel.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/src/libsystemd/sd-bus/bus-kernel.c b/src/libsystemd/sd-bus/bus-kernel.c
index ef157d69f2..1276cd841a 100644
--- a/src/libsystemd/sd-bus/bus-kernel.c
+++ b/src/libsystemd/sd-bus/bus-kernel.c
@@ -660,9 +660,23 @@ static int bus_kernel_make_message(sd_bus *bus, struct kdbus_msg *k) {
}
if (bus->creds_mask & SD_BUS_CREDS_WELL_KNOWN_NAMES) {
- r = strv_extend(&m->creds.well_known_names, d->name.name);
- if (r < 0)
+ char **wkn;
+ size_t n;
+
+ /* We just extend the array here, but
+ * do not allocate the strings inside
+ * of it, instead we just point to our
+ * buffer directly. */
+ n = strv_length(m->creds.well_known_names);
+ wkn = realloc(m->creds.well_known_names, (n + 2) * sizeof(char*));
+ if (!wkn) {
+ r = -ENOMEM;
goto fail;
+ }
+
+ wkn[n] = d->name.name;
+ wkn[n+1] = NULL;
+ m->creds.well_known_names = wkn;
m->creds.mask |= SD_BUS_CREDS_WELL_KNOWN_NAMES;
}