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* [merged mm-hotfixes-stable] mm-fix-error-handling-for-map_deny_write_exec.patch removed from -mm tree
@ 2023-03-23  1:32 Andrew Morton
  0 siblings, 0 replies; only message in thread
From: Andrew Morton @ 2023-03-23  1:32 UTC (permalink / raw)
  To: mm-commits, shuah, peterx, nd, keescook, izbyshev,
	catalin.marinas, acme, joey.gouly, akpm


The quilt patch titled
     Subject: mm: fix error handling for map_deny_write_exec
has been removed from the -mm tree.  Its filename was
     mm-fix-error-handling-for-map_deny_write_exec.patch

This patch was dropped because it was merged into the mm-hotfixes-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Joey Gouly <joey.gouly@arm.com>
Subject: mm: fix error handling for map_deny_write_exec
Date: Wed, 8 Mar 2023 19:04:21 +0000

Commit 4a18419f71cd ("mm/mprotect: use mmu_gather") changed 'goto out;' to
'break' in the loop.

This wasn't noticed while rebasing the MDWE patches, so fix it now.

Link: https://lkml.kernel.org/r/20230308190423.46491-3-joey.gouly@arm.com
Fixes: b507808ebce2 ("mm: implement memory-deny-write-execute as a prctl")
Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Reported-by: Alexey Izbyshev <izbyshev@ispras.ru>
  Link: https://lore.kernel.org/linux-arm-kernel/8408d8901e9d7ee6b78db4c6cba04b78@ispras.ru/
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: nd <nd@arm.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---


--- a/mm/mprotect.c~mm-fix-error-handling-for-map_deny_write_exec
+++ a/mm/mprotect.c
@@ -805,7 +805,7 @@ static int do_mprotect_pkey(unsigned lon
 
 		if (map_deny_write_exec(vma, newflags)) {
 			error = -EACCES;
-			goto out;
+			break;
 		}
 
 		/* Allow architectures to sanity-check the new flags */
_

Patches currently in -mm which might be from joey.gouly@arm.com are



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2023-03-23  1:32 [merged mm-hotfixes-stable] mm-fix-error-handling-for-map_deny_write_exec.patch removed from -mm tree Andrew Morton

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