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uxc: fix segfault caused by use-after-free
author
Daniel Golle
<daniel@makrotopia.org>
Mon, 4 Oct 2021 00:31:39 +0000
(
01:31
+0100)
committer
Daniel Golle
<daniel@makrotopia.org>
Tue, 12 Oct 2021 23:35:13 +0000
(
00:35
+0100)
Don't free blob_buf which was sent via ubus.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
uxc.c
patch
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diff --git
a/uxc.c
b/uxc.c
index f67271e925b78b5957e1fbc03ac07aea22b7f24d..a896d5ff148b6a8c1d4a43b0e751764452dec4ba 100644
(file)
--- a/
uxc.c
+++ b/
uxc.c
@@
-586,12
+586,12
@@
static int uxc_create(char *name, bool immediately)
ret = 0;
if (ubus_lookup_id(ctx, "container", &id) ||
ubus_invoke(ctx, id, "add", req.head, NULL, NULL, 3000)) {
+ blob_buf_free(&req);
ret = EIO;
}
free(jailname);
free(path);
- blob_buf_free(&req);
return ret;
}