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Wed, 2 May 2018 20:07:06 -0400 X-Google-Smtp-Source: AB8JxZrMJTfMM7v7WkXVu0I8glEpCdkTvwIU/YfNs2gR6gurcLWn3gnkG5LFYnr5jwEbfDzM2dnO0Q== From: Daniel Rosenberg To: Sumit Semwal , linux-kernel@vger.kernel.org Cc: Gustavo Padovan , linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org, dri-devel@lists.freedesktop.org, kernel-team@android.com, Daniel Rosenberg , Divya Ponnusamy , stable Subject: [PATCH] drivers: dma-buf: Change %p to %pK in debug messages Date: Wed, 2 May 2018 17:03:00 -0700 Message-Id: <20180503000300.90083-1-drosen@google.com> X-Mailer: git-send-email 2.17.0.441.gb46fe60e1d-goog Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: The format specifier %p can leak kernel addresses while not valuing the kptr_restrict system settings. Use %pK instead of %p, which also evaluates whether kptr_restrict is set. Signed-off-by: Divya Ponnusamy Signed-off-by: Daniel Rosenberg Cc: stable --- drivers/dma-buf/sync_debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma-buf/sync_debug.c b/drivers/dma-buf/sync_debug.c index c4c8ecb24aa9..d8d340542a79 100644 --- a/drivers/dma-buf/sync_debug.c +++ b/drivers/dma-buf/sync_debug.c @@ -133,7 +133,7 @@ static void sync_print_sync_file(struct seq_file *s, char buf[128]; int i; - seq_printf(s, "[%p] %s: %s\n", sync_file, + seq_printf(s, "[%pK] %s: %s\n", sync_file, sync_file_get_name(sync_file, buf, sizeof(buf)), sync_status_str(dma_fence_get_status(sync_file->fence))); -- 2.17.0.441.gb46fe60e1d-goog