ALSA: pcm: fix divide error in snd_pcm_lib_ioctl
stable inclusion from stable-5.10.63 commit 8e41134a92a50a11ecf7823bc1a19a4dd347463a bugzilla: 182231 https://gitee.com/openeuler/kernel/issues/I4EFS1 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=8e41134a92a50a11ecf7823bc1a19a4dd347463a -------------------------------- commit f3eef46f upstream. 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: NZubin Mithra <zsm@chromium.org> Reviewed-by: NGuenter Roeck <groeck@chromium.org> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210827153735.789452-1-zsm@chromium.orgSigned-off-by: NTakashi Iwai <tiwai@suse.de> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: NChen Jun <chenjun102@huawei.com> Acked-by: NWeilong Chen <chenweilong@huawei.com> Signed-off-by: NChen Jun <chenjun102@huawei.com> Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
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