From mboxrd@z Thu Jan 1 00:00:00 1970 From: Doug Ledford Subject: Re: [PATCH rdma-rc] IB/uverbs: Fix NULL pointer dereference during device removal Date: Wed, 16 Aug 2017 12:54:47 -0400 Message-ID: <1502902487.33760.18.camel@redhat.com> References: <20170816155704.23997-1-leon@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20170816155704.23997-1-leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Leon Romanovsky Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Maor Gottlieb List-Id: linux-rdma@vger.kernel.org On Wed, 2017-08-16 at 18:57 +0300, Leon Romanovsky wrote: > From: Maor Gottlieb > > As part of ib_uverbs_remove_one which might be triggered upon > reset flow, we trigger IB_EVENT_DEVICE_FATAL event to userspace > application. > If device was removed after uverbs fd was opened but before > ib_uverbs_get_context was called, the event file will be accessed > before it was allocated, result in NULL pointer dereference: Thanks, applied to -rc. Are there any more -rc patches waiting in the works over there? As per my other email, I'm trying to process the -rc today... -- Doug Ledford GPG KeyID: B826A3330E572FDD Key fingerprint = AE6B 1BDA 122B 23B4 265B 1274 B826 A333 0E57 2FDD -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html