On Wed, 03 Nov 2021 17:07:07 +0100, Takashi Iwai wrote: > > Like the previous fix (commit c0317c0e8709 "ALSA: timer: Fix > use-after-free problem"), we have to unlink slave timer instances > immediately at snd_timer_stop(), too. Otherwise it may leave a stale > entry in the list if the slave instance is freed before actually > running. > > Cc: <stable@xxxxxxxxxxxxxxx> > Signed-off-by: Takashi Iwai <tiwai@xxxxxxx> This patch changed the behavior of snd_timer_stop_slav(), it doesn't return -EBUSY. I'll submit the revised patch to cover that, too. Takashi