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[PATCH] test-vmstate: fix bad GTree usage, use-after-free
From: |
marcandre . lureau |
Subject: |
[PATCH] test-vmstate: fix bad GTree usage, use-after-free |
Date: |
Thu, 27 Aug 2020 20:18:26 +0400 |
From: Marc-André Lureau <marcandre.lureau@redhat.com>
According to g_tree_foreach() documentation:
"The tree may not be modified while iterating over it (you can't
add/remove items)."
Fixes: 9a85e4b8f6 ("migration: Support gtree migration")
Cc: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
tests/test-vmstate.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/tests/test-vmstate.c b/tests/test-vmstate.c
index f7b3868881..31aefa78f0 100644
--- a/tests/test-vmstate.c
+++ b/tests/test-vmstate.c
@@ -1078,7 +1078,6 @@ static gboolean diff_tree(gpointer key, gpointer value,
gpointer data)
struct match_node_data d = {tp->tree2, key, value};
g_tree_foreach(tp->tree2, tp->match_node, &d);
- g_tree_remove(tp->tree1, key);
return false;
}
@@ -1088,7 +1087,7 @@ static void compare_trees(GTree *tree1, GTree *tree2,
struct tree_cmp_data tp = {tree1, tree2, function};
g_tree_foreach(tree1, diff_tree, &tp);
- assert(g_tree_nnodes(tree1) == 0);
+ g_tree_destroy(g_tree_ref(tree1));
assert(g_tree_nnodes(tree2) == 0);
}
--
2.26.2
- [PATCH] test-vmstate: fix bad GTree usage, use-after-free,
marcandre . lureau <=