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linux/sound/soc/mediatek
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Guoqing Jiang 1dc0ed16cf ASoC: mediatek: mt8365-dai-i2s: pass correct size to mt8365_dai_set_priv 
[ Upstream commit 6bea85979d ]

Given mt8365_dai_set_priv allocate priv_size space to copy priv_data which
means we should pass mt8365_i2s_priv[i] or "struct mtk_afe_i2s_priv"
instead of afe_priv which has the size of "struct mt8365_afe_private".

Otherwise the KASAN complains about.

[   59.389765] BUG: KASAN: global-out-of-bounds in mt8365_dai_set_priv+0xc8/0x168 [snd_soc_mt8365_pcm]
...
[   59.394789] Call trace:
[   59.395167]  dump_backtrace+0xa0/0x128
[   59.395733]  show_stack+0x20/0x38
[   59.396238]  dump_stack_lvl+0xe8/0x148
[   59.396806]  print_report+0x37c/0x5e0
[   59.397358]  kasan_report+0xac/0xf8
[   59.397885]  kasan_check_range+0xe8/0x190
[   59.398485]  asan_memcpy+0x3c/0x98
[   59.399022]  mt8365_dai_set_priv+0xc8/0x168 [snd_soc_mt8365_pcm]
[   59.399928]  mt8365_dai_i2s_register+0x1e8/0x2b0 [snd_soc_mt8365_pcm]
[   59.400893]  mt8365_afe_pcm_dev_probe+0x4d0/0xdf0 [snd_soc_mt8365_pcm]
[   59.401873]  platform_probe+0xcc/0x228
[   59.402442]  really_probe+0x340/0x9e8
[   59.402992]  driver_probe_device+0x16c/0x3f8
[   59.403638]  driver_probe_device+0x64/0x1d8
[   59.404256]  driver_attach+0x1dc/0x4c8
[   59.404840]  bus_for_each_dev+0x100/0x190
[   59.405442]  driver_attach+0x44/0x68
[   59.405980]  bus_add_driver+0x23c/0x500
[   59.406550]  driver_register+0xf8/0x3d0
[   59.407122]  platform_driver_register+0x68/0x98
[   59.407810]  mt8365_afe_pcm_driver_init+0x2c/0xff8 [snd_soc_mt8365_pcm]

Fixes: 402bbb13a1 ("ASoC: mediatek: mt8365: Add I2S DAI support")
Signed-off-by: Guoqing Jiang <guoqing.jiang@canonical.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20250710011806.134507-1-guoqing.jiang@canonical.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-08-01 09:48:41 +01:00
..
common ASoC: mediatek: disable buffer pre-allocation 2025-01-17 13:40:36 +01:00
mt2701 ASoC: Switch back to struct platform_driver::remove() 2024-09-09 18:26:49 +01:00
mt6797 ASoC: Switch back to struct platform_driver::remove() 2024-09-09 18:26:49 +01:00
mt7986 ASoC: mediatek: mt7986-afe-pcm: Remove redundant error message 2024-09-12 18:05:27 +01:00
mt8173 ASoC: Switch back to struct platform_driver::remove() 2024-09-09 18:26:49 +01:00
mt8183 ASoC: Switch back to struct platform_driver::remove() 2024-09-09 18:26:49 +01:00
mt8186 ASoC: mediatek: Use *-y instead of *-objs in Makefile 2024-05-08 11:39:23 +09:00
mt8188 ASoC: mediatek: mt8188: Add reference for dmic clocks 2025-05-29 11:02:38 +02:00
mt8192 ASoC: mediatek: Check num_codecs is not zero to avoid panic during probe 2024-12-05 14:02:40 +01:00
mt8195 ASoC: mediatek: mt8195: Set ETDM1/2 IN/OUT to COMP_DUMMY() 2025-06-19 15:31:31 +02:00
mt8365 ASoC: mediatek: mt8365-dai-i2s: pass correct size to mt8365_dai_set_priv 2025-08-01 09:48:41 +01:00
Kconfig ASoC: mt8365: Allow build coverage 2024-09-09 16:58:18 +01:00
Makefile ASoC: mediatek: Add MT8365 support 2024-09-05 12:31:04 +01:00