This makes sure format strings cannot leak into the printk call via the
constructed buffer.
Signed-off-by: Kees Cook <keesc...@chromium.org>
---
drivers/scsi/esas2r/esas2r_log.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/esas2r/esas2r_log.c b/drivers/scsi/esas2r/esas2r_log.c
index 9bf285df58dd..61fc19d296bd 100644
--- a/drivers/scsi/esas2r/esas2r_log.c
+++ b/drivers/scsi/esas2r/esas2r_log.c
@@ -171,7 +171,7 @@ static int esas2r_log_master(const long level,
if (strlen(event_buffer) < buflen)
strcat(buffer, "\n");
- printk(event_buffer);
+ printk("%s", event_buffer);
spin_unlock_irqrestore(&event_buffer_lock, flags);
}
--
1.7.9.5
--
Kees Cook
Chrome OS Security
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