From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Rosenberg Subject: [PATCH resend] drivers: dma-buf: Change %p to %pK in debug messages Date: Tue, 5 Jun 2018 16:40:41 -0700 Message-ID: <20180605234041.246060-1-drosen@google.com> Return-path: Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: dri-devel@lists.freedesktop.org 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