linux-kernel - [git pull] IOMMU Fix for Linux v5.11-rc6

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Date:   Fri, 5 Feb 2021 17:01:57 +0100
From:   Joerg Roedel <joro@...tes.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org
Subject: [git pull] IOMMU Fix for Linux v5.11-rc6

Hi Linus,

The following changes since commit 1048ba83fb1c00cd24172e23e8263972f6b5d9ac:

  Linux 5.11-rc6 (2021-01-31 13:50:09 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git tags/iommu-fixes-v5.11-rc6

for you to fetch changes up to 4c9fb5d9140802db4db9f66c23887f43174e113c:

  iommu: Check dev->iommu in dev_iommu_priv_get() before dereferencing it (2021-02-02 15:57:23 +0100)

----------------------------------------------------------------
IOMMU Fix for Linux v5.11-rc6

	- Fix a possible NULL-ptr dereference in dev_iommu_priv_get()
	  which is too easy to accidentially trigger from IOMMU drivers.
	  In the current case the AMD IOMMU driver triggered it on some
	  machines in the IO-page-fault path, so fix it once and for
	  all.

----------------------------------------------------------------
Joerg Roedel (1):
      iommu: Check dev->iommu in dev_iommu_priv_get() before dereferencing it

 include/linux/iommu.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

Please pull.

Thanks,

	Joerg