Messages in this thread | | | Date | Tue, 31 May 2022 14:52:51 +0800 | From | kernel test robot <> | Subject | [hare-scsi-devel:auth.v13 8/9] drivers/nvme/target/fabrics-cmd-auth.c:364:30: sparse: sparse: incorrect type in assignment (different base types) |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git auth.v13 head: a444c5289874c2a619b92858d240a7cf40c9874b commit: 830cde52659a9c803beaa86a353ee8209a1f0767 [8/9] nvmet-auth: Diffie-Hellman key exchange support config: arm-randconfig-s032-20220531 (https://download.01.org/0day-ci/archive/20220531/202205311440.ymt1kZQE-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 11.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-14-g5a0004b5-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git/commit/?id=830cde52659a9c803beaa86a353ee8209a1f0767 git remote add hare-scsi-devel https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git git fetch --no-tags hare-scsi-devel auth.v13 git checkout 830cde52659a9c803beaa86a353ee8209a1f0767 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash drivers/nvme/target/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>) drivers/nvme/target/fabrics-cmd-auth.c:20:30: sparse: sparse: invalid assignment: |= drivers/nvme/target/fabrics-cmd-auth.c:20:30: sparse: left side has type restricted __le32 drivers/nvme/target/fabrics-cmd-auth.c:20:30: sparse: right side has type int drivers/nvme/target/fabrics-cmd-auth.c:102:22: sparse: sparse: cast to restricted __le32 drivers/nvme/target/fabrics-cmd-auth.c:102:22: sparse: sparse: cast from restricted __le16 >> drivers/nvme/target/fabrics-cmd-auth.c:364:30: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le16 [usertype] dhvlen @@ got restricted __le32 [usertype] @@ drivers/nvme/target/fabrics-cmd-auth.c:364:30: sparse: expected restricted __le16 [usertype] dhvlen drivers/nvme/target/fabrics-cmd-auth.c:364:30: sparse: got restricted __le32 [usertype]
vim +364 drivers/nvme/target/fabrics-cmd-auth.c
333 334 static int nvmet_auth_challenge(struct nvmet_req *req, void *d, int al) 335 { 336 struct nvmf_auth_dhchap_challenge_data *data = d; 337 struct nvmet_ctrl *ctrl = req->sq->ctrl; 338 int ret = 0; 339 int hash_len = nvme_auth_hmac_hash_len(ctrl->shash_id); 340 int data_size = sizeof(*d) + hash_len; 341 342 if (ctrl->dh_tfm) 343 data_size += ctrl->dh_keysize; 344 if (al < data_size) { 345 pr_debug("%s: buffer too small (al %d need %d)\n", __func__, 346 al, data_size); 347 return -EINVAL; 348 } 349 memset(data, 0, data_size); 350 req->sq->dhchap_s1 = nvme_auth_get_seqnum(); 351 data->auth_type = NVME_AUTH_DHCHAP_MESSAGES; 352 data->auth_id = NVME_AUTH_DHCHAP_MESSAGE_CHALLENGE; 353 data->t_id = cpu_to_le16(req->sq->dhchap_tid); 354 data->hashid = ctrl->shash_id; 355 data->hl = hash_len; 356 data->seqnum = cpu_to_le32(req->sq->dhchap_s1); 357 req->sq->dhchap_c1 = kmalloc(data->hl, GFP_KERNEL); 358 if (!req->sq->dhchap_c1) 359 return -ENOMEM; 360 get_random_bytes(req->sq->dhchap_c1, data->hl); 361 memcpy(data->cval, req->sq->dhchap_c1, data->hl); 362 if (ctrl->dh_tfm) { 363 data->dhgid = ctrl->dh_gid; > 364 data->dhvlen = cpu_to_le32(ctrl->dh_keysize); 365 ret = nvmet_auth_ctrl_exponential(req, data->cval + data->hl, 366 ctrl->dh_keysize); 367 } 368 pr_debug("%s: ctrl %d qid %d seq %d transaction %d hl %d dhvlen %zu\n", 369 __func__, ctrl->cntlid, req->sq->qid, req->sq->dhchap_s1, 370 req->sq->dhchap_tid, data->hl, ctrl->dh_keysize); 371 return ret; 372 } 373
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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