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[Qemu-devel] [PATCH v3 07/10] linux-user: check return value of malloc()
From: |
zhanghailiang |
Subject: |
[Qemu-devel] [PATCH v3 07/10] linux-user: check return value of malloc() |
Date: |
Thu, 7 Aug 2014 16:01:49 +0800 |
Signed-off-by: zhanghailiang <address@hidden>
---
linux-user/syscall.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index a50229d..93d9076 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -2870,6 +2870,9 @@ static inline abi_long do_msgsnd(int msqid, abi_long msgp,
if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
return -TARGET_EFAULT;
host_mb = malloc(msgsz+sizeof(long));
+ if (!host_mb) {
+ return -TARGET_ENOMEM;
+ }
host_mb->mtype = (abi_long) tswapal(target_mb->mtype);
memcpy(host_mb->mtext, target_mb->mtext, msgsz);
ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
--
1.7.12.4
- Re: [Qemu-devel] [PATCH v3 02/10] monitor: fix access freed memory, (continued)
- [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, 2014/08/07
- [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 <=
- [Qemu-devel] [PATCH v3 08/10] qtest: check the value returned by fopen(), zhanghailiang, 2014/08/07
- [Qemu-devel] [PATCH v3 04/10] ivshmem: check the value returned by fstat(), zhanghailiang, 2014/08/07