Et tu Bruce? Not yet, because if you check, neither has commit f39c1bfb5a (SUNRPC: Fix a UDP transport regression). I figured it is better to send them both together as a single patch. Trond > -----Original Message----- > From: J. Bruce Fields [mailto:bfields@xxxxxxxxxxxx] > Sent: Friday, October 19, 2012 3:40 PM > To: Schumaker, Bryan > Cc: Myklebust, Trond; linux-nfs@xxxxxxxxxxxxxxx; stable@xxxxxxxxxxxxxxx > Subject: Re: [PATCH] SUNRPC: Set alloc_slot for backchannel tcp ops > > Did this not get sent to stable? (Now upstream as > 84e28a307e376f271505af65a7b7e212dd6f61f4.) > > --b. > > On Mon, Sep 24, 2012 at 01:39:01PM -0400, bjschuma@xxxxxxxxxx wrote: > > From: Bryan Schumaker <bjschuma@xxxxxxxxxx> > > > > f39c1bfb5a03e2d255451bff05be0d7255298fa4 (SUNRPC: Fix a UDP > transport > > regression) introduced the "alloc_slot" function for xprt operations, > > but never created one for the backchannel operations. This patch > > fixes a null pointer dereference when mounting NFS over v4.1. > > > > Call Trace: > > [<ffffffffa0207957>] ? xprt_reserve+0x47/0x50 [sunrpc] > > [<ffffffffa02023a4>] call_reserve+0x34/0x60 [sunrpc] > > [<ffffffffa020e280>] __rpc_execute+0x90/0x400 [sunrpc] > > [<ffffffffa020e61a>] rpc_async_schedule+0x2a/0x40 [sunrpc] > > [<ffffffff81073589>] process_one_work+0x139/0x500 > > [<ffffffff81070e70>] ? alloc_worker+0x70/0x70 [<ffffffffa020e5f0>] ? > > __rpc_execute+0x400/0x400 [sunrpc] [<ffffffff81073d1e>] > > worker_thread+0x15e/0x460 [<ffffffff8145c839>] ? > > preempt_schedule+0x49/0x70 [<ffffffff81073bc0>] ? > > rescuer_thread+0x230/0x230 [<ffffffff81079603>] kthread+0x93/0xa0 > > [<ffffffff81465d04>] kernel_thread_helper+0x4/0x10 > > [<ffffffff81079570>] ? kthread_freezable_should_stop+0x70/0x70 > > [<ffffffff81465d00>] ? gs_change+0x13/0x13 > > > > Signed-off-by: Bryan Schumaker <bjschuma@xxxxxxxxxx> > > --- > > net/sunrpc/xprtsock.c | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index > > 86b7777..aaaadfb 100644 > > --- a/net/sunrpc/xprtsock.c > > +++ b/net/sunrpc/xprtsock.c > > @@ -2521,6 +2521,7 @@ static struct rpc_xprt_ops xs_tcp_ops = { > > static struct rpc_xprt_ops bc_tcp_ops = { > > .reserve_xprt = xprt_reserve_xprt, > > .release_xprt = xprt_release_xprt, > > + .alloc_slot = xprt_alloc_slot, > > .rpcbind = xs_local_rpcbind, > > .buf_alloc = bc_malloc, > > .buf_free = bc_free, > > -- > > 1.7.12.1 > > > > -- > > 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 -- 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
