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Subject[PATCH 2/2] kasan: use dump_stack_lvl(KERN_ERR) to print stacks
From
Most of the contents of KASAN reports are printed with pr_err(), so use
a consistent logging level to print the memory access stacks.

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Prasad Sodagudi <psodagud@quicinc.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Marco Elver <elver@google.com>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Alexander Potapenko <glider@google.com>
---
mm/kasan/report.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index 14bd51ea2348..8fff1825b22c 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -230,7 +230,7 @@ static void print_address_description(void *addr, u8 tag)
{
struct page *page = kasan_addr_to_page(addr);

- dump_stack();
+ dump_stack_lvl(KERN_ERR);
pr_err("\n");

if (page && PageSlab(page)) {
@@ -375,7 +375,7 @@ void kasan_report_async(void)
pr_err("BUG: KASAN: invalid-access\n");
pr_err("Asynchronous mode enabled: no access details available\n");
pr_err("\n");
- dump_stack();
+ dump_stack_lvl(KERN_ERR);
end_report(&flags, 0);
}
#endif /* CONFIG_KASAN_HW_TAGS */
@@ -420,7 +420,7 @@ static void __kasan_report(unsigned long addr, size_t size, bool is_write,
pr_err("\n");
print_memory_metadata(info.first_bad_addr);
} else {
- dump_stack();
+ dump_stack_lvl(KERN_ERR);
}

end_report(&flags, addr);
--
2.31.1.527.g47e6f16901-goog
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