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[Qemu-devel] [PATCH v3 01/10] l2cap: fix access freed memory
From: |
zhanghailiang |
Subject: |
[Qemu-devel] [PATCH v3 01/10] l2cap: fix access freed memory |
Date: |
Thu, 7 Aug 2014 16:01:43 +0800 |
Pointer 'ch' will be used in function 'l2cap_channel_open_req_msg' after
it was previously freed in 'l2cap_channel_open'.
Assigned it to NULL after it is freed.
Reviewed-by: Alex Bennée <address@hidden>
Signed-off-by: zhanghailiang <address@hidden>
---
hw/bt/l2cap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/bt/l2cap.c b/hw/bt/l2cap.c
index 2301d6f..591e047 100644
--- a/hw/bt/l2cap.c
+++ b/hw/bt/l2cap.c
@@ -429,7 +429,7 @@ static struct l2cap_chan_s *l2cap_channel_open(struct
l2cap_instance_s *l2cap,
status = L2CAP_CS_NO_INFO;
} else {
g_free(ch);
-
+ ch = NULL;
result = L2CAP_CR_NO_MEM;
status = L2CAP_CS_NO_INFO;
}
--
1.7.12.4
- [Qemu-devel] [PATCH v3 00/10] fix three bugs about use-after-free and several api abuse, zhanghailiang, 2014/08/07
- [Qemu-devel] [PATCH v3 02/10] monitor: fix access freed memory, zhanghailiang, 2014/08/07
- [Qemu-devel] [PATCH v3 03/10] virtio-blk: fix reference a pointer which might be freed, zhanghailiang, 2014/08/07
- [Qemu-devel] [PATCH v3 10/10] block/vvfat: fix setbuf stream parameter may be NULL, zhanghailiang, 2014/08/07
- [Qemu-devel] [PATCH v3 01/10] l2cap: fix access freed memory,
zhanghailiang <=
- [Qemu-devel] [PATCH v3 05/10] util/path: check return value of malloc(), zhanghailiang, 2014/08/07
- [Qemu-devel] [PATCH v3 09/10] tcg: check return value of fopen(), zhanghailiang, 2014/08/07
- [Qemu-devel] [PATCH v3 06/10] slirp: check return value of malloc(), zhanghailiang, 2014/08/07
- [Qemu-devel] [PATCH v3 07/10] linux-user: check return value of malloc(), zhanghailiang, 2014/08/07
- [Qemu-devel] [PATCH v3 08/10] qtest: check the value returned by fopen(), zhanghailiang, 2014/08/07