Messages in this thread | | | From | Roberto Sassu <> | Subject | RE: [RFC][PATCH 4/5] shmem: Avoid segfault in shmem_read_mapping_page_gfp() | Date | Mon, 15 Nov 2021 08:02:46 +0000 |
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> From: Eric Biggers [mailto:ebiggers@kernel.org] > Sent: Friday, November 12, 2021 7:56 PM > On Fri, Nov 12, 2021 at 01:44:10PM +0100, Roberto Sassu wrote: > > Check the hwpoison page flag only if the page is valid in > > shmem_read_mapping_page_gfp(). The PageHWPoison() macro tries to > access > > the page flags and cannot work on an error pointer. > > > > Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com> > > This looks like a recent regression from the commit: > > commit b9d02f1bdd98f38e6e5ecacc9786a8f58f3f8b2c > Author: Yang Shi <shy828301@gmail.com> > Date: Fri Nov 5 13:41:10 2021 -0700 > > mm: shmem: don't truncate page if memory failure happens > > Can you please send this fix out as a standalone patch, to the right people and > including the appropriate "Fixes" tag?
Hi Eric
it looks there is another patch. Given that it was proposed before, I will drop mine. Thanks anyway.
Roberto
HUAWEI TECHNOLOGIES Duesseldorf GmbH, HRB 56063 Managing Director: Li Peng, Zhong Ronghua
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