The freezero call is practically the same as calling explicit_bzero
followed by free.
Okay?
Index: sshbuf.c
===================================================================
RCS file: /cvs/src/usr.bin/ssh/sshbuf.c,v
diff -u -p -u -p -r1.19 sshbuf.c
--- sshbuf.c 2 Dec 2022 04:40:27 -0000 1.19
+++ sshbuf.c 13 Aug 2024 16:54:20 -0000
@@ -183,10 +183,8 @@ sshbuf_free(struct sshbuf *buf)
sshbuf_free(buf->parent);
buf->parent = NULL;
- if (!buf->readonly) {
- explicit_bzero(buf->d, buf->alloc);
- free(buf->d);
- }
+ if (!buf->readonly)
+ freezero(buf->d, buf->alloc);
freezero(buf, sizeof(*buf));
}
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