bluez/bluez-5.20-fix-queue.patch

61 lines
1.8 KiB
Diff

From: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
To: linux-bluetooth@vger.kernel.org
Subject: [PATCH BlueZ] shared/queue: Fix invalid read
Date: Fri, 27 Jun 2014 13:47:49 +0300
Message-Id: <1403866069-15394-1-git-send-email-luiz.dentz@gmail.com>
From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
If the queue elements are destroyed by queue_destroy the head will point
to freed memory causing the following error when unit/test-queue is run:
Invalid read of size 8
at 0x401040: queue_foreach (queue.c:194)
by 0x4E9E5E0: ??? (in /usr/lib64/libglib-2.0.so.0.3800.2)
by 0x4E9E7A5: ??? (in /usr/lib64/libglib-2.0.so.0.3800.2)
by 0x4E9EB1A: g_test_run_suite (in /usr/lib64/libglib-2.0.so.0.3800.2)
by 0x40083E: main (test-queue.c:109)
Address 0x7f65738 is 8 bytes inside a block of size 16 free'd
at 0x4C28577: free (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
by 0x400E29: queue_destroy (queue.c:93)
by 0x40102C: queue_foreach (queue.c:219)
by 0x4E9E5E0: ??? (in /usr/lib64/libglib-2.0.so.0.3800.2)
by 0x4E9E7A5: ??? (in /usr/lib64/libglib-2.0.so.0.3800.2)
by 0x4E9EB1A: g_test_run_suite (in /usr/lib64/libglib-2.0.so.0.3800.2)
by 0x40083E: main (test-queue.c:109)
---
src/shared/queue.c | 15 +--------------
1 file changed, 1 insertion(+), 14 deletions(-)
diff --git a/src/shared/queue.c b/src/shared/queue.c
index 4013293..3bdc1ec 100644
--- a/src/shared/queue.c
+++ b/src/shared/queue.c
@@ -75,23 +75,10 @@ struct queue *queue_new(void)
void queue_destroy(struct queue *queue, queue_destroy_func_t destroy)
{
- struct queue_entry *entry;
-
if (!queue)
return;
- entry = queue->head;
-
- while (entry) {
- struct queue_entry *tmp = entry;
-
- if (destroy)
- destroy(entry->data);
-
- entry = entry->next;
-
- free(tmp);
- }
+ queue_remove_all(queue, NULL, NULL, destroy);
queue_unref(queue);
}
--
1.9.3