1 files changed, 5 insertions, 1 deletions

diff --git a/lib/hexdump.c b/lib/hexdump.c
index 8d74c20d8595..992457b1284c 100644
--- a/lib/hexdump.c
+++ b/lib/hexdump.c
@@ -169,11 +169,15 @@ int hex_dump_to_buffer(const void *buf, size_t len, int rowsize, int groupsize,
                 }
         } else {
                 for (j = 0; j < len; j++) {
-                        if (linebuflen < lx + 3)
+                        if (linebuflen < lx + 2)
                                 goto overflow2;
                         ch = ptr[j];
                         linebuf[lx++] = hex_asc_hi(ch);
+                        if (linebuflen < lx + 2)
+                                goto overflow2;
                         linebuf[lx++] = hex_asc_lo(ch);
+                        if (linebuflen < lx + 2)
+                                goto overflow2;
                         linebuf[lx++] = ' ';
                 }
                 if (j)