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From: David Howells <dhowells@redhat.com>
To: unlisted-recipients:; (no To-header on input)
Cc: dhowells@redhat.com, Steve French <sfrench@samba.org>,
	Shyam Prasad N <nspmangalore@gmail.com>,
	Rohith Surabattula <rohiths.msft@gmail.com>,
	Tom Talpey <tom@talpey.com>, Long Li <longli@microsoft.com>,
	Namjae Jeon <linkinjeon@kernel.org>,
	Stefan Metzmacher <metze@samba.org>, Paulo Alcantara <pc@cjr.nz>,
	Jeff Layton <jlayton@kernel.org>,
	linux-cifs@vger.kernel.org
Subject: Re: cifs-rdma: KASAN-detected UAF when using rxe driver
Date: Wed, 25 Jan 2023 07:48:39 +0000	[thread overview]
Message-ID: <1810769.1674632919@warthog.procyon.org.uk> (raw)
In-Reply-To: <1130899.1674582538@warthog.procyon.org.uk>

David Howells <dhowells@redhat.com> wrote:

> I was trying to test cifs rdma and KASAN detected a UAF when using the
> softRoCE RDMA driver (rxe):
> 
> 	BUG: KASAN: use-after-free in smbd_reconnect (fs/cifs/smbdirect.c:1427
> 	if (server->smbd_conn->transport_status == SMBD_CONNECTED) {

Okay, this seems to go back at least to v5.19, so it's been around for a
while.

David


  reply	other threads:[~2023-01-25  7:49 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-24 17:48 cifs-rdma: KASAN-detected UAF when using rxe driver David Howells
2023-01-25  7:48 ` David Howells [this message]
2023-01-25 14:02 ` [PATCH] cifs: Fix oops due to uncleared server->smbd_conn in reconnect David Howells
2023-01-25 14:47   ` Tom Talpey
2023-01-25 15:52   ` Tom Talpey
2023-01-25 16:20   ` Steve French
2023-01-25 20:41   ` David Howells
2023-01-25 22:24     ` Tom Talpey
2023-01-25 22:43     ` David Howells
2023-01-25 22:56       ` Tom Talpey
2023-01-25 23:42       ` Namjae Jeon
2023-01-26 14:42       ` pcap of misbehaving fallocate over cifs rdma David Howells
2023-01-26 19:54         ` David Howells
2023-01-26 20:29           ` Tom Talpey
2023-01-26 20:47           ` David Howells
2023-01-26 15:20   ` [PATCH] cifs: Fix oops due to uncleared server->smbd_conn in reconnect David Howells
2023-01-26 19:22     ` Tom Talpey
2023-01-26 19:49     ` David Howells

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