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From: Ajay Kaher <akaher@vmware.com>
To: <gregkh@linuxfoundation.org>
Cc: <torvalds@linux-foundation.org>, <punit.agrawal@arm.com>,
	<akpm@linux-foundation.org>, <kirill.shutemov@linux.intel.com>,
	<willy@infradead.org>, <will.deacon@arm.com>,
	<mszeredi@redhat.com>, <stable@vger.kernel.org>,
	<linux-mm@kvack.org>, <linux-kernel@vger.kernel.org>,
	<srivatsab@vmware.com>, <srivatsa@csail.mit.edu>,
	<amakhalov@vmware.com>, <srinidhir@vmware.com>,
	<bvikas@vmware.com>, <anishs@vmware.com>,
	<vsirnapalli@vmware.com>, <srostedt@vmware.com>,
	<akaher@vmware.com>
Subject: [PATCH v3 0/8] Backported fixes for 4.4 stable tree
Date: Tue, 17 Dec 2019 02:15:40 +0530
Message-ID: <1576529149-14269-1-git-send-email-akaher@vmware.com> (raw)

These patches include few backported fixes for the 4.4 stable
tree.
I would appreciate if you could kindly consider including them in the
next release.

Ajay

---

[Changes from v2]:
Merged following changes from Vlastimil's series [1]:
- Added page_ref_count() in [Patch v3 5/8]
- Added missing refcount overflow checks on x86 and s390 [Patch v3 5/8]
- Added [Patch v3 8/8]
- Removed 7aef4172c795 i.e. [Patch v2 3/8]

[1] https://lore.kernel.org/stable/20191108093814.16032-1-vbabka@suse.cz/

---

[PATCH v3 1/8]:
Backporting of upstream commit f958d7b528b1:
mm: make page ref count overflow check tighter and more explicit

[PATCH v3 2/8]:
Backporting of upstream commit 88b1a17dfc3e:
mm: add 'try_get_page()' helper function

[PATCH v3 3/8]:
Backporting of upstream commit a3e328556d41:
mm, gup: remove broken VM_BUG_ON_PAGE compound check for hugepages

[PATCH v3 4/8]:
Backporting of upstream commit d63206ee32b6:
mm, gup: ensure real head page is ref-counted when using hugepages

[PATCH v3 5/8]:
Backporting of upstream commit 8fde12ca79af:
mm: prevent get_user_pages() from overflowing page refcount

[PATCH v3 6/8]:
Backporting of upstream commit 7bf2d1df8082:
pipe: add pipe_buf_get() helper

[PATCH v3 7/8]:
Backporting of upstream commit 15fab63e1e57:
fs: prevent page refcount overflow in pipe_buf_get

[PATCH v3 8/8]:
x86, mm, gup: prevent get_page() race with munmap in paravirt guest


             reply index

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-16 20:45 Ajay Kaher [this message]
2019-12-16 20:45 ` [PATCH v3 1/8] mm: make page ref count overflow check tighter and more explicit Ajay Kaher
2019-12-16 20:45 ` [PATCH v3 2/8] mm: add 'try_get_page()' helper function Ajay Kaher
2019-12-16 20:45 ` [PATCH v3 3/8] mm, gup: remove broken VM_BUG_ON_PAGE compound check for hugepages Ajay Kaher
2019-12-16 20:45 ` [PATCH v3 4/8] mm, gup: ensure real head page is ref-counted when using hugepages Ajay Kaher
2019-12-16 20:45 ` [PATCH v3 5/8] mm: prevent get_user_pages() from overflowing page refcount Ajay Kaher
2019-12-16 20:45 ` [PATCH v3 6/8] pipe: add pipe_buf_get() helper Ajay Kaher
2019-12-16 20:45 ` [PATCH v3 7/8] fs: prevent page refcount overflow in pipe_buf_get Ajay Kaher
2019-12-16 20:45 ` [PATCH v3 8/8] x86, mm, gup: prevent get_page() race with munmap in paravirt guest Ajay Kaher
2019-12-16 13:04   ` Peter Zijlstra
2019-12-16 13:30     ` Vitaly Kuznetsov
2019-12-16 13:47       ` Peter Zijlstra
2019-12-16 15:11         ` Vlastimil Babka
2019-12-16 16:08           ` Vitaly Kuznetsov
2019-12-17  4:13             ` Ajay Kaher
2020-01-31 12:51             ` Ajay Kaher

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