commit 64fdb45bc6c4cbde30017ee3b04a78d122fb01a0
author Andy Hung <hunga@google.com> Fri Sep 07 11:25:33 2018 -0700
committer Andy Hung <hunga@google.com> Fri Sep 07 11:29:39 2018 -0700
tree ee772db7f95fa6ba9f31686a07f3d156766c5a1e
parent 92fef5a2bc5bed0c0bb2846a270d02dd8de070ac

Fix stream_get_parameter_channels from overflowing on 8 ch

Test: Connect 8ch USB and no HAL audio service crash.
Bug: 114100789
Change-Id: I93c78cea1da45c8f0813aedc121ce346aa2044f6

hal/audio_hw.c

diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index 440d810..0637686 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -2701,7 +2701,7 @@
                                           struct str_parms *reply,
                                           audio_channel_mask_t *supported_channel_masks) {
     int ret = -1;
-    char value[256];
+    char value[ARRAY_SIZE(channels_name_to_enum_table) * 32 /* max channel name size */];
     bool first = true;
     size_t i, j;