linux-kernel - [PATCH v2 0/2] Drivers: vmbus: Fix rescind handling in uio_hv

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20240829071312.1595-1-namjain@linux.microsoft.com>
Date: Thu, 29 Aug 2024 12:43:10 +0530
From: Naman Jain <namjain@...ux.microsoft.com>
To: "K . Y . Srinivasan" <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	Wei Liu <wei.liu@...nel.org>,
	Dexuan Cui <decui@...rosoft.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Stephen Hemminger <stephen@...workplumber.org>,
	Michael Kelley <mhklinux@...look.com>
Cc: linux-hyperv@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Saurabh Sengar <ssengar@...ux.microsoft.com>,
	Naman Jain <namjain@...ux.microsoft.com>,
	stable@...r.kernel.org
Subject: [PATCH v2 0/2] Drivers: vmbus: Fix rescind handling in uio_hv_generic

Fix a few issues in rescind handling in uio_hv_generic driver.
Patches are based on latest linux-next tip.

Steps to reproduce issue:
* Probe uio_hv_generic driver and create channels to use fcopy
* Disable the guest service on host and then Enable it.
or
* repeatedly do cat "/dev/uioX" on the device created for fcopy.

Changes since v1:
https://lore.kernel.org/all/20240822110912.13735-1-namjain@linux.microsoft.com/
* Added stable kernel list to cc
* Updated commit messages for more information
* Explicitly handle rescind callback for primary channel only, and add
  comment: Saurabh, Michael.
* Rebase to latest tip.

Naman Jain (1):
  Drivers: hv: vmbus: Fix rescind handling in uio_hv_generic

Saurabh Sengar (1):
  uio_hv_generic: Fix kernel NULL pointer dereference in hv_uio_rescind

 drivers/hv/vmbus_drv.c       |  1 +
 drivers/uio/uio_hv_generic.c | 11 ++++++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

base-commit: 195a402a75791e6e0d96d9da27ca77671bc656a8
-- 
2.34.1