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ASoC: wm_adsp_fw_find_test: Fix missing NULL terminator on file name list

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The array wm_adsp_fw_find_test_dir_all_files[] needs a NULL terminator.

It was documented at line 41 that dir_files points to a NULL-terminated
array.

   /* NULL-terminated array of pointers to filenames ... <snip> */
   const char * const *dir_files;

This fixes the error reported by KASAN:

[17:46:43] BUG: KASAN: global-out-of-bounds in
  wm_adsp_fw_find_test_pick_file+0x8cc/0xc80
[17:46:43] Read of size 8 at addr ffff800081e5ffe8 by task
  kunit_try_catch/18349

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Fixes: bf2d44d07d ("ASoC: wm_adsp: Add kunit test for firmware file search")
Link: https://patch.msgid.link/20260326100853.1582886-1-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Richard Fitzgerald 2026-03-26 10:08:53 +00:00 committed by Mark Brown
parent 7b907b55eb
commit 951a4e8589
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1 changed files with 1 additions and 0 deletions
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sound/soc/codecs/wm_adsp_fw_find_test.c
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@ -1041,6 +1041,7 @@ static const char * const wm_adsp_fw_find_test_dir_all_files[] = {
"cirrus/cs1234-dsp1-mbc-vss.bin",
"cirrus/wm1234-dsp1-mbc-vss.bin",
"wm1234-dsp1-mbc-vss.bin",
NULL /* terminator */
};
/*