From: Andrew Morton <akpm@linux-foundation.org>
To: " Christian König " <ckoenig.leichtzumerken@gmail.com>
Cc: Miaohe Lin <linmiaohe@huawei.com>,
jgg@ziepe.ca, jhubbard@nvidia.com, linux-kernel@vger.kernel.org,
dri-devel@lists.freedesktop.org, chris@chris-wilson.co.uk,
linaro-mm-sig@lists.linaro.org, linux-mm@kvack.org,
willy@infradead.org, airlied@redhat.com,
linux-media@vger.kernel.org
Subject: Re: [PATCH 1/6] mm: mmap: fix fput in error path
Date: Fri, 9 Oct 2020 15:04:20 -0700 [thread overview]
Message-ID: <20201009150420.450833e3830b9d39a2385dd9@linux-foundation.org> (raw)
In-Reply-To: <20201009150342.1979-1-christian.koenig@amd.com>
On Fri, 9 Oct 2020 17:03:37 +0200 "Christian König" <ckoenig.leichtzumerken@gmail.com> wrote:
> Patch "495c10cc1c0c CHROMIUM: dma-buf: restore args..."
> adds a workaround for a bug in mmap_region.
>
> As the comment states ->mmap() callback can change
> vma->vm_file and so we might call fput() on the wrong file.
>
> Revert the workaround and proper fix this in mmap_region.
>
Doesn't this patch series address the same thing as
https://lkml.kernel.org/r/20200916090733.31427-1-linmiaohe@huawei.com?
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next prev parent reply other threads:[~2020-10-09 22:04 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-09 15:03 [PATCH 1/6] mm: mmap: fix fput in error path Christian König
2020-10-09 15:03 ` [PATCH 2/6] mm: introduce vma_set_file function v3 Christian König
2020-10-09 15:14 ` Jason Gunthorpe
2020-10-12 8:11 ` Christian König
2020-10-09 15:03 ` [PATCH 3/6] drm/radeon: stop using pages with drm_prime_sg_to_page_addr_arrays Christian König
2020-10-09 15:03 ` [PATCH 4/6] drm/amdgpu: " Christian König
2020-10-09 15:03 ` [PATCH 5/6] drm/nouveau: " Christian König
2020-10-09 15:03 ` [PATCH 6/6] drm/prime: document that use the page array is deprecated v2 Christian König
2020-10-09 16:24 ` Daniel Vetter
2020-10-09 16:27 ` Daniel Vetter
2020-10-09 15:15 ` [PATCH 1/6] mm: mmap: fix fput in error path Jason Gunthorpe
2020-10-09 22:04 ` Andrew Morton [this message]
2020-10-09 22:25 ` Jason Gunthorpe
2020-10-12 8:13 ` Christian König
2020-10-10 1:48 linmiaohe
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