Unverified Commit 72b58d4a authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
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!6847 ALSA: emu10k1: Fix out of bounds access in snd_emu10k1_pcm_channel_alloc() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/K2N3S5QEVLOTJ6ELFHZFH7AXWIMYXY76/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9LKE1 
 
Link:https://gitee.com/openeuler/kernel/pulls/6847

 

Reviewed-by: default avatarLiu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents 5521330a 3af390a4

sound/pci/emu10k1/emupcm.c

+1 −1
Original line number Diff line number Diff line
@@ -137,7 +137,7 @@ static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voic 
	epcm->voices[0]->epcm = epcm;

	if (voices > 1) {

		for (i = 1; i < voices; i++) {

			epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i];

			epcm->voices[i] = &epcm->emu->voices[(epcm->voices[0]->number + i) % NUM_G];

			epcm->voices[i]->epcm = epcm;

		}

	}