+ kasan-update-documentation-for-generic-kasan.patch added to -mm tree

+ kasan-update-documentation-for-generic-kasan.patch added to -mm tree

[akpm]

The patch titled
     Subject: kasan: update documentation for generic kasan
has been added to the -mm tree.  Its filename is
     kasan-update-documentation-for-generic-kasan.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/kasan-update-documentation-for-generic-kasan.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/kasan-update-documentation-for-generic-kasan.patch

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next and is updated
there every 3-4 working days

------------------------------------------------------
From: Walter Wu <walter-zh.wu@mediatek.com>
Subject: kasan: update documentation for generic kasan

Generic KASAN also supports to record the last two workqueue stacks and
print them in KASAN report.  So that need to update documentation.

Link: https://lkml.kernel.org/r/20201203023037.30792-1-walter-zh.wu@mediatek.com
Signed-off-by: Walter Wu <walter-zh.wu@mediatek.com>
Suggested-by: Marco Elver <elver@google.com>
Acked-by: Marco Elver <elver@google.com>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Reviewed-by: Andrey Konovalov <andreyknvl@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 Documentation/dev-tools/kasan.rst |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/Documentation/dev-tools/kasan.rst~kasan-update-documentation-for-generic-kasan
+++ a/Documentation/dev-tools/kasan.rst
@@ -190,8 +190,9 @@ function calls GCC directly inserts the
 This option significantly enlarges kernel but it gives x1.1-x2 performance
 boost over outline instrumented kernel.
 
-Generic KASAN prints up to 2 call_rcu() call stacks in reports, the last one
-and the second to last.
+Generic KASAN also reports the last 2 call stacks to creation of work that
+potentially has access to an object. Call stacks for the following are shown:
+call_rcu() and workqueue queuing.
 
 Software tag-based KASAN
 ~~~~~~~~~~~~~~~~~~~~~~~~
_

Patches currently in -mm which might be from walter-zh.wu@mediatek.com are

workqueue-kasan-record-workqueue-stack.patch
kasan-print-workqueue-stack.patch
lib-test_kasanc-add-workqueue-test-case.patch
kasan-update-documentation-for-generic-kasan.patch

+ kasan-update-documentation-for-generic-kasan.patch added to -mm tree

[akpm]

The patch titled
     Subject: kasan: update documentation for generic kasan
has been added to the -mm tree.  Its filename is
     kasan-update-documentation-for-generic-kasan.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/kasan-update-documentation-for-generic-kasan.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/kasan-update-documentation-for-generic-kasan.patch

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next and is updated
there every 3-4 working days

------------------------------------------------------
From: Walter Wu <walter-zh.wu@mediatek.com>
Subject: kasan: update documentation for generic kasan

Generic KASAN will support to record the last two call_rcu() call stacks
and print them in KASAN report.  So that need to update documentation.

Link: http://lkml.kernel.org/r/20200601051111.1359-1-walter-zh.wu@mediatek.com
Signed-off-by: Walter Wu <walter-zh.wu@mediatek.com>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Tested-by: Dmitry Vyukov <dvyukov@google.com>
Reviewed-by: Andrey Konovalov <andreyknvl@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: "Paul E . McKenney" <paulmck@kernel.org>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Joel Fernandes <joel@joelfernandes.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 Documentation/dev-tools/kasan.rst |    3 +++
 1 file changed, 3 insertions(+)

--- a/Documentation/dev-tools/kasan.rst~kasan-update-documentation-for-generic-kasan
+++ a/Documentation/dev-tools/kasan.rst
@@ -190,6 +190,9 @@ function calls GCC directly inserts the
 This option significantly enlarges kernel but it gives x1.1-x2 performance
 boost over outline instrumented kernel.
 
+Generic KASAN prints up to 2 call_rcu() call stacks in reports, the last one
+and the second to last.
+
 Software tag-based KASAN
 ~~~~~~~~~~~~~~~~~~~~~~~~
 
_

Patches currently in -mm which might be from walter-zh.wu@mediatek.com are

rcu-kasan-record-and-print-call_rcu-call-stack.patch
kasan-record-and-print-the-free-track.patch
kasan-add-tests-for-call_rcu-stack-recording.patch
kasan-update-documentation-for-generic-kasan.patch