On 12/15/2015 11:02 AM, Eric Dumazet wrote:
> On Tue, 2015-12-15 at 10:46 -0800, Tadeusz Struk wrote:
>> msg_iocb needs to be initialized on the recv/recvfrom path.
>> Otherwise afalg will wrongly interpret it as an async call.
>>
>> Cc: stable@xxxxxxxxxxxxxxx
>> Reported-by: Harald Freudenberger <freude@xxxxxxxxxxxxxxxxxx>
>> Signed-off-by: Tadeusz Struk <tadeusz.struk@xxxxxxxxx>
>> ---
>> net/socket.c | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git a/net/socket.c b/net/socket.c
>> index dd2c247..80ca820 100644
>> --- a/net/socket.c
>> +++ b/net/socket.c
>> @@ -1702,6 +1702,7 @@ SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size,
>> msg.msg_name = addr ? (struct sockaddr *)&address : NULL;
>> /* We assume all kernel code knows the size of sockaddr_storage */
>> msg.msg_namelen = 0;
>> + msg.msg_iocb = NULL;
>> if (sock->file->f_flags & O_NONBLOCK)
>> flags |= MSG_DONTWAIT;
>> err = sock_recvmsg(sock, &msg, iov_iter_count(&msg.msg_iter), flags);
>>
>
> Do not add "Cc: stable@xxxxxxxxxxxxxxx" for networking patches, thanks
> ( Documentation/networking/netdev-FAQ.txt )
>
> Do you know when was this bug added ?
>
> Please add the
>
> Fixes: 12-digit-sha1 ("patch title")
>
It was added in this commit: 0345f93138b2 ("net: socket: add support for async operations")
Thanks
--
TS
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