Messages in this thread Patch in this message | | | Date | Wed, 5 May 2021 11:22:18 +0200 | Subject | [PATCH 2/2] kasan: use dump_stack_lvl(KERN_ERR) to print stacks | From | Alexander Potapenko <> |
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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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