From e8135f9dc774f956bca44a13cf056403140e2337 Mon Sep 17 00:00:00 2001 From: Javier Carrasco Date: Wed, 19 Jun 2024 23:13:21 +0200 Subject: [PATCH] Input: ims-pcu - annotate struct ims_pcu_flash_fmt with __counted_by Use the __counted_by compiler attribute for the data[] flexible array member to improve the results of array bound sanitizers. Signed-off-by: Javier Carrasco Reviewed-by: Kees Cook Reviewed-by: Gustavo A. R. Silva Link: https://lore.kernel.org/r/20240619-ims-pcu-counted_by-v1-1-3ee0ead2e57d@gmail.com Signed-off-by: Dmitry Torokhov --- drivers/input/misc/ims-pcu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c index 408a586f8c36..91f8ad826238 100644 --- a/drivers/input/misc/ims-pcu.c +++ b/drivers/input/misc/ims-pcu.c @@ -761,7 +761,7 @@ static int ims_pcu_switch_to_bootloader(struct ims_pcu *pcu) struct ims_pcu_flash_fmt { __le32 addr; u8 len; - u8 data[]; + u8 data[] __counted_by(len); }; static unsigned int ims_pcu_count_fw_records(const struct firmware *fw) -- 2.20.1