6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Konstantin Meskhidze <konstantin.meskhidze@xxxxxxxxxx> commit c489800e0d48097fc6afebd862c6afa039110a36 upstream. Since size of 'hdr' pointer and '*hdr' structure is equal on 64-bit machines issue probably didn't cause any wrong behavior. But anyway, fixing of typo is required. Fixes: da0f60df7bd5 ("RDMA/uverbs: Prohibit write() calls with too small buffers") Co-developed-by: Ivanov Mikhail <ivanov.mikhail1@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Ivanov Mikhail <ivanov.mikhail1@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Konstantin Meskhidze <konstantin.meskhidze@xxxxxxxxxx> Link: https://lore.kernel.org/r/20230905103258.1738246-1-konstantin.meskhidze@xxxxxxxxxx Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/infiniband/core/uverbs_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -535,7 +535,7 @@ static ssize_t verify_hdr(struct ib_uver if (hdr->in_words * 4 != count) return -EINVAL; - if (count < method_elm->req_size + sizeof(hdr)) { + if (count < method_elm->req_size + sizeof(*hdr)) { /* * rdma-core v18 and v19 have a bug where they send DESTROY_CQ * with a 16 byte write instead of 24. Old kernels didn't