On Wed 2021-01-13 15:48:34, John Ogness wrote: > Counting text lines in a record simply involves counting the number > of newline characters (+1). However, it is searching the full data > block for newline characters, even though the text data can be (and > often is) a subset of that area. Since the extra area in the data > block was never initialized, the result is that extra newlines may > be seen and counted. > > Restrict newline searching to the text data length. > > Fixes: b6cf8b3f3312 ("printk: add lockless ringbuffer") > Signed-off-by: John Ogness <john.ogn...@linutronix.de>
The patch is committed in printk/linux.git, branch printk-rework. I plan to send it for-5.11 the following week after it spends few days in linux-next. Best Regards, Petr