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-rw-r--r--slirp/bootp.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/slirp/bootp.c b/slirp/bootp.c
index 5a4646c182..5dd1a415b5 100644
--- a/slirp/bootp.c
+++ b/slirp/bootp.c
@@ -123,6 +123,9 @@ static void dhcp_decode(const struct bootp_t *bp, int *pmsg_type,
if (p >= p_end)
break;
len = *p++;
+ if (p + len > p_end) {
+ break;
+ }
DPRINTF("dhcp: tag=%d len=%d\n", tag, len);
switch(tag) {