The patch titled
Subject: kasan: restructure kasan_report
has been removed from the -mm tree. Its filename was
kasan-restructure-kasan_report.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Subject: kasan: restructure kasan_report
Restructure kasan_report() to make reviewing the subsequent patches
easier.
Link: https://lkml.kernel.org/r/ca28042889858b8cc4724d3d4378387f90d7a59d.1646237226.git.andreyknvl@xxxxxxxxxx
Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Cc: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Marco Elver <elver@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/kasan/report.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
--- a/mm/kasan/report.c~kasan-restructure-kasan_report
+++ a/mm/kasan/report.c
@@ -457,15 +457,18 @@ static void __kasan_report(void *addr, s
bool kasan_report(unsigned long addr, size_t size, bool is_write,
unsigned long ip)
{
- unsigned long flags = user_access_save();
- bool ret = false;
+ unsigned long ua_flags = user_access_save();
+ bool ret = true;
- if (likely(report_enabled())) {
- __kasan_report((void *)addr, size, is_write, ip);
- ret = true;
+ if (unlikely(!report_enabled())) {
+ ret = false;
+ goto out;
}
- user_access_restore(flags);
+ __kasan_report((void *)addr, size, is_write, ip);
+
+out:
+ user_access_restore(ua_flags);
return ret;
}
_
Patches currently in -mm which might be from andreyknvl@xxxxxxxxxx are
stacktrace-add-interface-based-on-shadow-call-stack.patch
arm64-scs-save-scs_sp-values-per-cpu-when-switching-stacks.patch
arm64-implement-stack_trace_save_shadow.patch
kasan-use-stack_trace_save_shadow.patch
