Replace one-element array with flexible-array member in struct user_sgmap. This issue was found with the help of Coccinelle and audited and fixed, manually. Link: https://www.kernel.org/doc/html/v5.16/process/deprecated.html#zero-length-and-one-element-arrays Link: https://github.com/KSPP/linux/issues/79 Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx> --- drivers/scsi/aacraid/aacraid.h | 2 +- drivers/scsi/aacraid/commctrl.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index 320a30865d58..bcf97c1b8c0c 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -511,7 +511,7 @@ struct sgmap { struct user_sgmap { u32 count; - struct user_sgentry sg[1]; + struct user_sgentry sg[]; }; struct sgmap64 { diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c index 5d6b0d9da0df..3206d9491fca 100644 --- a/drivers/scsi/aacraid/commctrl.c +++ b/drivers/scsi/aacraid/commctrl.c @@ -523,7 +523,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) goto cleanup; } - if ((fibsize < (sizeof(struct user_aac_srb) - sizeof(struct user_sgentry))) || + if ((fibsize < sizeof(*user_srbcmd)) || (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)))) { rcode = -EINVAL; goto cleanup; -- 2.27.0
