zdb fix

gistfile1.txt

diff --git a/cmd/zdb/zdb.c b/cmd/zdb/zdb.c
index 1996fd1632c..e50147a98da 100644
--- a/cmd/zdb/zdb.c
+++ b/cmd/zdb/zdb.c
@@ -3776,9 +3776,11 @@ zdb_embedded_block(char *thing)
 {
        blkptr_t bp = { { { { 0 } } } };
        unsigned long long *words = (void *)&bp;
-       char buf[SPA_MAXBLOCKSIZE];
+       char *buf;
        int err;

+       buf = malloc(SPA_MAXBLOCKSIZE);
+
        err = sscanf(thing, "%llx:%llx:%llx:%llx:%llx:%llx:%llx:%llx:"
            "%llx:%llx:%llx:%llx:%llx:%llx:%llx:%llx",
            words + 0, words + 1, words + 2, words + 3,
@@ -3796,6 +3798,7 @@ zdb_embedded_block(char *thing)
                exit(1);
        }
        zdb_dump_block_raw(buf, BPE_GET_LSIZE(&bp), 0);
+       free(buf);
 }

 static boolean_t