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Liam R. Howlett 2fcd07b7cc mm/mprotect: Fix successful vma_merge() of next in do_mprotect_pkey() 
If mprotect_fixup() successfully calls vma_merge() and replaces vma and
the next vma, then the tmp variable in the do_mprotect_pkey() is not
updated to point to the new vma end.  This results in the loop detecting
a gap between VMAs that does not exist.

Fix the faulty value of tmp by setting it to the end location of the vma
iterator at the end of the loop.

Link: https://lkml.kernel.org/r/20230224212055.1786100-1-Liam.Howlett@oracle.com
Fixes: 2286a6914c ("mm: change mprotect_fixup to vma iterator")
Link: https://lore.kernel.org/linux-mm/20230223120407.729110a6ecd1416ac59d9cb0@linux-foundation.org/
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Reported-by: Bert Karwatzki <spasswolf@web.de>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217061
Tested-by: Bert Karwatzki <spasswolf@web.de>
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/linux-mm/CAHk-=wjFmVL7NiuxL54qLkoabni_yD-oF9=dpDgETtdsiCbhUg@mail.gmail.com/
Tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-02-25 20:16:48 -08:00
arch We have one small patch to the clk core this time around. It fixes a corner 2023-02-25 15:16:23 -08:00
block Driver core changes for 6.3-rc1 2023-02-24 12:58:55 -08:00
certs certs: don't try to update blacklist keys 2023-02-13 10:11:20 +02:00
crypto Networking changes for 6.3. 2023-02-21 18:24:12 -08:00
Documentation We have one small patch to the clk core this time around. It fixes a corner 2023-02-25 15:16:23 -08:00
drivers We have one small patch to the clk core this time around. It fixes a corner 2023-02-25 15:16:23 -08:00
fs Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2023-02-24 19:27:55 -08:00
include We have one small patch to the clk core this time around. It fixes a corner 2023-02-25 15:16:23 -08:00
init There is no particular theme here - mainly quick hits all over the tree. 2023-02-23 17:55:40 -08:00
io_uring - Daniel Verkamp has contributed a memfd series ("mm/memfd: add 2023-02-23 17:09:35 -08:00
ipc Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2023-02-24 19:20:07 -08:00
kernel probes cleanup updates for v6.3: 2023-02-25 13:06:28 -08:00
lib Kernel concurrency sanitizer (KCSAN) updates for v6.3 2023-02-25 13:02:20 -08:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm mm/mprotect: Fix successful vma_merge() of next in do_mprotect_pkey() 2023-02-25 20:16:48 -08:00
net TTY/Serial driver updates for 6.3-rc1 2023-02-24 12:17:14 -08:00
rust Rust changes for v6.3 2023-02-20 10:40:42 -08:00
samples VFIO updates for v6.3-rc1 2023-02-25 11:52:57 -08:00
scripts RISC-V Patches for the 6.3 Merge Window, Part 1 2023-02-25 11:14:08 -08:00
security powerpc updates for 6.3 2023-02-25 11:00:06 -08:00
sound soundwire updates for 6.3 2023-02-24 17:29:52 -08:00
tools virtio,vhost,vdpa: features, fixes 2023-02-25 11:48:02 -08:00
usr usr/gen_init_cpio.c: remove unnecessary -1 values from int file 2022-10-03 14:21:44 -07:00
virt KVM/riscv changes for 6.3 2023-02-15 12:33:28 -05:00
.clang-format iommufd for 6.2 2022-12-14 09:15:43 -08:00
.cocciconfig
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore *.rpm 2022-12-30 17:22:14 +09:00
.mailmap 12 hotfixes, mostly against mm/. Five of these fixes are cc:stable. 2023-02-13 14:09:20 -08:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS There is no particular theme here - mainly quick hits all over the tree. 2023-02-23 17:55:40 -08:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS We have one small patch to the clk core this time around. It fixes a corner 2023-02-25 15:16:23 -08:00
Makefile Devicetree updates for v6.3: 2023-02-24 13:31:53 -08:00
README

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.