This makes sure format strings cannot leak into the printk call via the
constructed buffer.
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
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 9bf285d..61fc19d 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
--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
