| commit | 39675f7a7c7e7702f7d5341f1e0d01db746543a0 | [log] [tgz] |
|---|---|---|
| author | Takashi Iwai <tiwai@suse.de> | Tue Jul 17 17:26:43 2018 +0200 |
| committer | Takashi Iwai <tiwai@suse.de> | Tue Jul 17 17:33:17 2018 +0200 |
| tree | 5109d844e69ee0f48e8575f487967a78cb8b9c3c | |
| parent | 0fca97a29b83e3f315c14ed2372cfd0f9ee0a006 [diff] |
ALSA: rawmidi: Change resized buffers atomically The SNDRV_RAWMIDI_IOCTL_PARAMS ioctl may resize the buffers and the current code is racy. For example, the sequencer client may write to buffer while it being resized. As a simple workaround, let's switch to the resized buffer inside the stream runtime lock. Reported-by: syzbot+52f83f0ea8df16932f7f@syzkaller.appspotmail.com Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>