Messages in this thread Patch in this message | | | From | Daniel Rosenberg <> | Subject | [PATCH] drivers: dma-buf: Change %p to %pK in debug messages | Date | Wed, 2 May 2018 17:03:00 -0700 |
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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 <pdivya@codeaurora.org> Signed-off-by: Daniel Rosenberg <drosen@google.com> Cc: stable <stable@vger.kernel.org> --- 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
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