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Commit f3eef46f authored by Zubin Mithra's avatar Zubin Mithra Committed by Takashi Iwai
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ALSA: pcm: fix divide error in snd_pcm_lib_ioctl



Syzkaller reported a divide error in snd_pcm_lib_ioctl. fifo_size
is of type snd_pcm_uframes_t(unsigned long). If frame_size
is 0x100000000, the error occurs.

Fixes: a9960e6a ("ALSA: pcm: fix fifo_size frame calculation")
Signed-off-by: default avatarZubin Mithra <zsm@chromium.org>
Reviewed-by: default avatarGuenter Roeck <groeck@chromium.org>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210827153735.789452-1-zsm@chromium.org


Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 93ab3eaf
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