| commit | fdeb17c70c9ecae655378761accf5a26a55a33cf | [log] [tgz] |
|---|---|---|
| author | Hui Su <sh_def@163.com> | Wed Nov 25 00:52:05 2020 +0800 |
| committer | Jan Kara <jack@suse.cz> | Wed Nov 25 13:03:44 2020 +0100 |
| tree | 67592e638b795f71d5332a85fe2ad11f1d32b98c | |
| parent | 127c501a03d5db8b833e953728d3bcf53c8832a9 [diff] |
trace: fix potenial dangerous pointer
The bdi_dev_name() returns a char [64], and
the __entry->name is a char [32].
It maybe dangerous to TP_printk("%s", __entry->name)
after the strncpy().
CC: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20201124165205.GA23937@rlk
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Hui Su <sh_def@163.com>
Signed-off-by: Jan Kara <jack@suse.cz>