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authorJoakim Tjernlund <joakim.tjernlund@transmode.se>2014-07-11 17:18:03 +0200
committerRiku Voipio <riku.voipio@linaro.org>2014-07-15 16:28:36 +0300
commit2dd08dfd9a553af3d53c6508e436b0c2aa5a469b (patch)
tree1757c3ca01eadf85014baf01a42a60426606aca4 /linux-user
parent33a29b51c9fb56abd94d751dd3a51b84b82c8379 (diff)
alloca one extra byte sockets
target_to_host_sockaddr() may increase the lenth with 1 byte for AF_UNIX sockets so allocate 1 extra byte. Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Diffstat (limited to 'linux-user')
-rw-r--r--linux-user/syscall.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 7163ade3f3..a50229d0d7 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -1984,7 +1984,7 @@ static abi_long do_connect(int sockfd, abi_ulong target_addr,
return -TARGET_EINVAL;
}
- addr = alloca(addrlen);
+ addr = alloca(addrlen+1);
ret = target_to_host_sockaddr(addr, target_addr, addrlen);
if (ret)
@@ -2005,7 +2005,7 @@ static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp,
if (msgp->msg_name) {
msg.msg_namelen = tswap32(msgp->msg_namelen);
- msg.msg_name = alloca(msg.msg_namelen);
+ msg.msg_name = alloca(msg.msg_namelen+1);
ret = target_to_host_sockaddr(msg.msg_name, tswapal(msgp->msg_name),
msg.msg_namelen);
if (ret) {
@@ -2268,7 +2268,7 @@ static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
if (!host_msg)
return -TARGET_EFAULT;
if (target_addr) {
- addr = alloca(addrlen);
+ addr = alloca(addrlen+1);
ret = target_to_host_sockaddr(addr, target_addr, addrlen);
if (ret) {
unlock_user(host_msg, msg, 0);