diff options
| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2021-11-20 02:08:49 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-11-24 15:57:17 +0300 |
| commit | 0e888a74e52db369e19aec908131cf171079b306 (patch) | |
| tree | cb975d7eefac7d03f4af12dcb44e9c7a6166d115 /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | 65c16dd2942f4476a3f96a2625b1475c6137c09a (diff) | |
| download | linux-0e888a74e52db369e19aec908131cf171079b306.tar.xz | |
ALSA: pcm: unconditionally check if appl_ptr is in 0..boundary range
In some cases, the appl_ptr passed by userspace is not checked before
being used. This patch adds an unconditional check and returns an
error code should the appl_ptr exceed the ALSA 'boundary'.
Suggested-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20211119230852.206310-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
0 files changed, 0 insertions, 0 deletions