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kasan: move disable_trace_on_warning to start_report

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Move the disable_trace_on_warning() call, which enables the
/proc/sys/kernel/traceoff_on_warning interface for KASAN bugs, to
start_report(), so that it functions for all types of KASAN reports.

Link: https://lkml.kernel.org/r/7c066c5de26234ad2cebdd931adfe437f8a95d58.1646237226.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Marco Elver <elver@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrey Konovalov 2022-03-24 18:12:40 -07:00 committed by Linus Torvalds
parent a260d2814e
commit 0a6e8a07de
1 changed files with 2 additions and 1 deletions
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3
mm/kasan/report.c
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@ -129,6 +129,8 @@ static DEFINE_SPINLOCK(report_lock);
static void start_report(unsigned long *flags, bool sync) static void start_report(unsigned long *flags, bool sync)
{ {
/* Respect the /proc/sys/kernel/traceoff_on_warning interface. */
disable_trace_on_warning();
/* Update status of the currently running KASAN test. */ /* Update status of the currently running KASAN test. */
update_kunit_status(sync); update_kunit_status(sync);
/* Make sure we don't end up in loop. */ /* Make sure we don't end up in loop. */
@ -421,7 +423,6 @@ static void __kasan_report(unsigned long addr, size_t size, bool is_write,
void *untagged_addr; void *untagged_addr;
unsigned long flags; unsigned long flags;
disable_trace_on_warning();
start_report(&flags, true); start_report(&flags, true);
tagged_addr = (void *)addr; tagged_addr = (void *)addr;