[folded-merged] mm-kasan-kmsan-copy_from-to_kernel_nofault-fix.patch removed from -mm tree

[folded-merged] mm-kasan-kmsan-copy_from-to_kernel_nofault-fix.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm-kasan-kmsan-copy_from-to_kernel_nofault-fix
has been removed from the -mm tree.  Its filename was
     mm-kasan-kmsan-copy_from-to_kernel_nofault-fix.patch

This patch was dropped because it was folded into mm-kasan-kmsan-copy_from-to_kernel_nofault.patch

------------------------------------------------------
From: Andrew Morton <akpm@linux-foundation.org>
Subject: mm-kasan-kmsan-copy_from-to_kernel_nofault-fix
Date: Tue Oct 15 04:53:38 PM PDT 2024

fix comment layout, per checkpatch

Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Marco Elver <elver@google.com>
Cc: Sabyrzhan Tasbolatov <snovitoll@gmail.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/kasan/kasan_test_c.c |   26 ++++++++++++++------------
 1 file changed, 14 insertions(+), 12 deletions(-)

--- a/mm/kasan/kasan_test_c.c~mm-kasan-kmsan-copy_from-to_kernel_nofault-fix
+++ a/mm/kasan/kasan_test_c.c
@@ -1934,8 +1934,10 @@ static void copy_to_kernel_nofault_oob(s
 	char buf[128];
 	size_t size = sizeof(buf);
 
-	/* This test currently fails with the HW_TAGS mode.
-	 * The reason is unknown and needs to be investigated. */
+	/*
+	 * This test currently fails with the HW_TAGS mode. The reason is
+	 * unknown and needs to be investigated.
+	 */
 	KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_KASAN_HW_TAGS);
 
 	ptr = kmalloc(size - KASAN_GRANULE_SIZE, GFP_KERNEL);
@@ -1943,16 +1945,16 @@ static void copy_to_kernel_nofault_oob(s
 	OPTIMIZER_HIDE_VAR(ptr);
 
 	/*
-	* We test copy_to_kernel_nofault() to detect corrupted memory that is
-	* being written into the kernel. In contrast, copy_from_kernel_nofault()
-	* is primarily used in kernel helper functions where the source address
-	* might be random or uninitialized. Applying KASAN instrumentation to
-	* copy_from_kernel_nofault() could lead to false positives.
-	* By focusing KASAN checks only on copy_to_kernel_nofault(),
-	* we ensure that only valid memory is written to the kernel,
-	* minimizing the risk of kernel corruption while avoiding
-	* false positives in the reverse case.
-	*/
+	 * We test copy_to_kernel_nofault() to detect corrupted memory that is
+	 * being written into the kernel. In contrast,
+	 * copy_from_kernel_nofault() is primarily used in kernel helper
+	 * functions where the source address might be random or uninitialized.
+	 * Applying KASAN instrumentation to copy_from_kernel_nofault() could
+	 * lead to false positives.  By focusing KASAN checks only on
+	 * copy_to_kernel_nofault(), we ensure that only valid memory is
+	 * written to the kernel, minimizing the risk of kernel corruption
+	 * while avoiding false positives in the reverse case.
+	 */
 	KUNIT_EXPECT_KASAN_FAIL(test,
 		copy_to_kernel_nofault(&buf[0], ptr, size));
 	KUNIT_EXPECT_KASAN_FAIL(test,
_

Patches currently in -mm which might be from akpm@linux-foundation.org are

mm-page_alloc-keep-track-of-free-highatomic-fix.patch
mm-refactor-arch_calc_vm_flag_bits-and-arm64-mte-handling-fix.patch
mm-fix-__wp_page_copy_user-fallback-path-for-remote-mm-fix.patch
mm-memoryc-remove-stray-newline-at-top-of-file.patch
mm-kasan-kmsan-copy_from-to_kernel_nofault.patch
alloc_tag-load-module-tags-into-separate-contiguous-memory-fix-fix.patch
tools-mm-free-the-allocated-memory-fix.patch
memcg-v1-no-need-for-memcg-locking-for-mglru-fix.patch
mm-vma-the-pgoff-is-correct-if-can_merge_right-fix.patch
memcg-workingset-remove-folio_memcg_rcu-usage-fix.patch
bootmem-stop-using-page-index-fix.patch
vma-detect-infinite-loop-in-vma-tree-fix.patch
maple_tree-add-a-test-checking-storing-null-fix.patch
fs-proc-kcorec-fix-coccinelle-reported-error-instances-fix.patch