On Fri, Nov 24, 2017 at 6:34 PM, Trond Myklebust <trondmy@xxxxxxxxxxxxxxx> wrote: > On Mon, 2017-11-20 at 14:02 +0100, Dmitry Vyukov wrote: >> Hello, >> >> The following program triggers infinite stream of the following >> output >> on console. The program is unkillable and this effectively brings the >> machine down: >> >> >> ** 16 printk messages dropped ** [12875.022917] xs_tcp_setup_socket: >> connect returned unhandled error -113 >> > > Does the following fix the issue? Re-run the provided reproducer with the patch. I don't see any kernel output and the process is perfectly killable now. Tested-by: Dmitry Vyukov <dvyukov@xxxxxxxxxx> > 8<----------------------------------------------------- > From f48d3f01df45f50f0145060f5272ccf1aea855ac Mon Sep 17 00:00:00 2001 > From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx> > Date: Fri, 24 Nov 2017 12:00:24 -0500 > Subject: [PATCH] SUNRPC: Allow connect to return EHOSTUNREACH > > Reported-by: Dmitry Vyukov <dvyukov@xxxxxxxxxx> > Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx> > --- > net/sunrpc/xprtsock.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c > index 4dad5da388d6..8cb40f8ffa5b 100644 > --- a/net/sunrpc/xprtsock.c > +++ b/net/sunrpc/xprtsock.c > @@ -2437,6 +2437,7 @@ static void xs_tcp_setup_socket(struct work_struct *work) > case -ECONNREFUSED: > case -ECONNRESET: > case -ENETUNREACH: > + case -EHOSTUNREACH: > case -EADDRINUSE: > case -ENOBUFS: > /* > -- > 2.14.3 > > -- > Trond Myklebust > Linux NFS client maintainer, PrimaryData > trond.myklebust@xxxxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html