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| author | Andrey Konovalov <andreyknvl@google.com> | 2022-03-24 18:12:40 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-03-24 19:06:49 -0700 |
| commit | 0a6e8a07dec75f7b013b70c2df3e69c64edf312f (patch) | |
| tree | 5d4cb40ee45903a6f13963bb54bda04fdb1d46c0 /mm/kasan | |
| parent | a260d2814e6d294e878840d9c6fdeca516205096 (diff) | |
| download | lwn-0a6e8a07dec75f7b013b70c2df3e69c64edf312f.tar.gz lwn-0a6e8a07dec75f7b013b70c2df3e69c64edf312f.zip | |
kasan: move disable_trace_on_warning to start_report
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>
Diffstat (limited to 'mm/kasan')
| -rw-r--r-- | mm/kasan/report.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/kasan/report.c b/mm/kasan/report.c index 0b6c8a14f0ea..9286ff6ae1a7 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -129,6 +129,8 @@ static DEFINE_SPINLOCK(report_lock); 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_kunit_status(sync); /* 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; unsigned long flags; - disable_trace_on_warning(); start_report(&flags, true); tagged_addr = (void *)addr; |