diff options
| author | Joakim Tjernlund <joakim.tjernlund@transmode.se> | 2014-07-11 17:18:03 +0200 |
|---|---|---|
| committer | Riku Voipio <riku.voipio@linaro.org> | 2014-07-15 16:28:36 +0300 |
| commit | 2dd08dfd9a553af3d53c6508e436b0c2aa5a469b (patch) | |
| tree | 1757c3ca01eadf85014baf01a42a60426606aca4 /linux-user | |
| parent | 33a29b51c9fb56abd94d751dd3a51b84b82c8379 (diff) | |
| download | qemu-2dd08dfd9a553af3d53c6508e436b0c2aa5a469b.tar.gz | |
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.c | 6 |
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); |