From: Klaus Jensen <k.jen...@samsung.com> The number of logical blocks within a source range is converted into a 1s based number at the time of parsing. However, when verifying the copy length we add one again, causing the check against MCL to fail in error.
Fixes: 381ab99d8587 ("hw/nvme: check maximum copy length (MCL) for COPY") Signed-off-by: Klaus Jensen <k.jen...@samsung.com> --- hw/nvme/ctrl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index f026245d1e9e..05c667158a3a 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -2855,7 +2855,7 @@ static inline uint16_t nvme_check_copy_mcl(NvmeNamespace *ns, uint32_t nlb; nvme_copy_source_range_parse(iocb->ranges, idx, iocb->format, NULL, &nlb, NULL, NULL, NULL); - copy_len += nlb + 1; + copy_len += nlb; } if (copy_len > ns->id_ns.mcl) { --- base-commit: 39a6e4f87e7b75a45b08d6dc8b8b7c2954c87440 change-id: 20240208-fix-copy-mcl-check-3a6d95327154 Best regards, -- Klaus Jensen <k.jen...@samsung.com>