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From: zhanghailiang <zhang.zhanghailiang@huawei.com>
To: qemu-devel@nongnu.org
Cc: kwolf@redhat.com, lkurusa@redhat.com,
	zhanghailiang <zhang.zhanghailiang@huawei.com>,
	mst@redhat.com, jan.kiszka@siemens.com, riku.voipio@iki.fi,
	mjt@tls.msk.ru, peter.huangpeng@huawei.com,
	lcapitulino@redhat.com, stefanha@redhat.com,
	luonengjun@huawei.com, pbonzini@redhat.com,
	alex.bennee@linaro.org, rth@twiddle.net
Subject: [Qemu-devel] [PATCH v3 06/10] slirp: check return value of malloc()
Date: Thu, 7 Aug 2014 16:01:48 +0800	[thread overview]
Message-ID: <1407398512-20780-7-git-send-email-zhang.zhanghailiang@huawei.com> (raw)
In-Reply-To: <1407398512-20780-1-git-send-email-zhang.zhanghailiang@huawei.com>

Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
---
 slirp/misc.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/slirp/misc.c b/slirp/misc.c
index b8eb74c..0109c9f 100644
--- a/slirp/misc.c
+++ b/slirp/misc.c
@@ -55,6 +55,9 @@ int add_exec(struct ex_list **ex_ptr, int do_pty, char *exec,
 
 	tmp_ptr = *ex_ptr;
 	*ex_ptr = (struct ex_list *)malloc(sizeof(struct ex_list));
+    if (!ex_ptr) {
+        return -1;
+    }
 	(*ex_ptr)->ex_fport = port;
 	(*ex_ptr)->ex_addr = addr;
 	(*ex_ptr)->ex_pty = do_pty;
@@ -236,8 +239,9 @@ strdup(str)
 	char *bptr;
 
 	bptr = (char *)malloc(strlen(str)+1);
-	strcpy(bptr, str);
-
+    if (bptr) {
+        strcpy(bptr, str);
+    }
 	return bptr;
 }
 #endif
-- 
1.7.12.4

  parent reply	other threads:[~2014-08-07  8:03 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-07  8:01 [Qemu-devel] [PATCH v3 00/10] fix three bugs about use-after-free and several api abuse zhanghailiang
2014-08-07  8:01 ` [Qemu-devel] [PATCH v3 01/10] l2cap: fix access freed memory zhanghailiang
2014-08-07  8:01 ` [Qemu-devel] [PATCH v3 02/10] monitor: " zhanghailiang
2014-08-07 11:01   ` Gonglei (Arei)
2014-08-07  8:01 ` [Qemu-devel] [PATCH v3 03/10] virtio-blk: fix reference a pointer which might be freed zhanghailiang
2014-08-07  8:01 ` [Qemu-devel] [PATCH v3 04/10] ivshmem: check the value returned by fstat() zhanghailiang
2014-08-07  8:53   ` Levente Kurusa
2014-08-07  8:01 ` [Qemu-devel] [PATCH v3 05/10] util/path: check return value of malloc() zhanghailiang
2014-08-07 11:04   ` Gonglei (Arei)
2014-08-07  8:01 ` zhanghailiang [this message]
2014-08-07 11:08   ` [Qemu-devel] [PATCH v3 06/10] slirp: " Gonglei (Arei)
2014-08-07 11:25     ` zhanghailiang
2014-08-07  8:01 ` [Qemu-devel] [PATCH v3 07/10] linux-user: " zhanghailiang
2014-08-07 17:19   ` Richard Henderson
2014-08-08  1:21     ` zhanghailiang
2014-08-07  8:01 ` [Qemu-devel] [PATCH v3 08/10] qtest: check the value returned by fopen() zhanghailiang
2014-08-07 11:14   ` Gonglei (Arei)
2014-08-07 11:33     ` zhanghailiang
2014-08-07  8:01 ` [Qemu-devel] [PATCH v3 09/10] tcg: check return value of fopen() zhanghailiang
2014-08-07  8:01 ` [Qemu-devel] [PATCH v3 10/10] block/vvfat: fix setbuf stream parameter may be NULL zhanghailiang

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