]> git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/commit
mm/memremap: fix missing call to untrack_pfn() in pagemap_range()
authorMiaohe Lin <linmiaohe@huawei.com>
Tue, 31 May 2022 12:26:43 +0000 (20:26 +0800)
committerStefan Bader <stefan.bader@canonical.com>
Wed, 10 Aug 2022 07:25:25 +0000 (09:25 +0200)
commit38318d82a8ef9df03035c754a32813f8670cf0c3
treee4951ab4fea417bdfb485919e551b1eb91371bbc
parent700e0d85d41db7b9cfa71fe5a6dc64071b657eb2
mm/memremap: fix missing call to untrack_pfn() in pagemap_range()

BugLink: https://bugs.launchpad.net/bugs/1981864
commit a04e1928e2ead144dc2f369768bc0a0f3110af89 upstream.

We forget to call untrack_pfn() to pair with track_pfn_remap() when range
is not allowed to hotplug.  Fix it by jump err_kasan.

Link: https://lkml.kernel.org/r/20220531122643.25249-1-linmiaohe@huawei.com
Fixes: bca3feaa0764 ("mm/memory_hotplug: prevalidate the address range being added with platform")
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Muchun Song <songmuchun@bytedance.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
mm/memremap.c