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: sta...@vger.kernel.org >> Reported-by: Harald Freudenberger <fre...@linux.vnet.ibm.com> >> Signed-off-by: Tadeusz Struk <tadeusz.st...@intel.com> >> --- >> 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: sta...@vger.kernel.org" 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/