From: Javier Carrasco Date: Wed, 19 Jun 2024 21:13:21 +0000 (+0200) Subject: Input: ims-pcu - annotate struct ims_pcu_flash_fmt with __counted_by X-Git-Tag: v6.11-rc1~98^2^2~51 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e8135f9dc774f956bca44a13cf056403140e2337;p=thirdparty%2Fkernel%2Flinux.git 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 --- diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c index 408a586f8c360..91f8ad8262383 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)