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Commit 8ab1fb16 authored by Konstantin Meskhidze's avatar Konstantin Meskhidze Committed by Greg Kroah-Hartman
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RDMA/uverbs: Fix typo of sizeof argument 



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: da0f60df ("RDMA/uverbs: Prohibit write() calls with too small buffers")
Co-developed-by: default avatarIvanov Mikhail <ivanov.mikhail1@huawei-partners.com>
Signed-off-by: default avatarIvanov Mikhail <ivanov.mikhail1@huawei-partners.com>
Signed-off-by: default avatarKonstantin Meskhidze <konstantin.meskhidze@huawei.com>
Link: https://lore.kernel.org/r/20230905103258.1738246-1-konstantin.meskhidze@huawei.com


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 26d48f70

drivers/infiniband/core/uverbs_main.c

+1 −1
Original line number Diff line number Diff line
@@ -633,7 +633,7 @@ static ssize_t verify_hdr(struct ib_uverbs_cmd_hdr *hdr, 
	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