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path: root/logsrvd/logsrvd_journal.c
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-rw-r--r--logsrvd/logsrvd_journal.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/logsrvd/logsrvd_journal.c b/logsrvd/logsrvd_journal.c
index 354d71c80..0983d1f67 100644
--- a/logsrvd/logsrvd_journal.c
+++ b/logsrvd/logsrvd_journal.c
@@ -268,6 +268,11 @@ journal_seek(struct timespec *target, struct connection_closure *closure)
if (msg_len > bufsize) {
bufsize = sudo_pow2_roundup(msg_len);
+ if (bufsize < msg_len) {
+ /* overflow */
+ closure->errstr = _("unable to allocate memory");
+ break;
+ }
free(buf);
if ((buf = malloc(bufsize)) == NULL) {
closure->errstr = _("unable to allocate memory");