Messages in this thread | | | Date | Tue, 31 May 2022 13:50:21 +0800 | From | kernel test robot <> | Subject | [hare-scsi-devel:auth.v13 7/9] drivers/nvme/target/fabrics-cmd-auth.c:20:30: sparse: sparse: invalid assignment: |= |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git auth.v13 head: a444c5289874c2a619b92858d240a7cf40c9874b commit: 6752fbe0803cafd906b16e8c6ea667b5e5a60053 [7/9] nvmet: Implement basic In-Band Authentication config: arm-randconfig-s032-20220531 (https://download.01.org/0day-ci/archive/20220531/202205311329.qL8gyR6R-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=6752fbe0803cafd906b16e8c6ea667b5e5a60053 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 6752fbe0803cafd906b16e8c6ea667b5e5a60053 # 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:92:22: sparse: sparse: cast to restricted __le32 >> drivers/nvme/target/fabrics-cmd-auth.c:92:22: sparse: sparse: cast from restricted __le16
vim +20 drivers/nvme/target/fabrics-cmd-auth.c
14 15 void nvmet_init_auth(struct nvmet_ctrl *ctrl, struct nvmet_req *req) 16 { 17 /* Initialize in-band authentication */ 18 req->sq->authenticated = false; 19 req->sq->dhchap_step = NVME_AUTH_DHCHAP_MESSAGE_NEGOTIATE; > 20 req->cqe->result.u32 |= 0x2 << 16; 21 } 22 23 static u16 nvmet_auth_negotiate(struct nvmet_req *req, void *d) 24 { 25 struct nvmet_ctrl *ctrl = req->sq->ctrl; 26 struct nvmf_auth_dhchap_negotiate_data *data = d; 27 int i, hash_id = 0, fallback_hash_id = 0, dhgid; 28 29 pr_debug("%s: ctrl %d qid %d: data sc_d %d napd %d authid %d halen %d dhlen %d\n", 30 __func__, ctrl->cntlid, req->sq->qid, 31 data->sc_c, data->napd, data->auth_protocol[0].dhchap.authid, 32 data->auth_protocol[0].dhchap.halen, 33 data->auth_protocol[0].dhchap.dhlen); 34 req->sq->dhchap_tid = le16_to_cpu(data->t_id); 35 if (data->sc_c) 36 return NVME_AUTH_DHCHAP_FAILURE_CONCAT_MISMATCH; 37 38 if (data->napd != 1) 39 return NVME_AUTH_DHCHAP_FAILURE_HASH_UNUSABLE; 40 41 if (data->auth_protocol[0].dhchap.authid != 42 NVME_AUTH_DHCHAP_AUTH_ID) 43 return NVME_AUTH_DHCHAP_FAILURE_INCORRECT_PAYLOAD; 44 45 for (i = 0; i < data->auth_protocol[0].dhchap.halen; i++) { 46 u8 host_hmac_id = data->auth_protocol[0].dhchap.idlist[i]; 47 48 if (!fallback_hash_id && 49 nvme_auth_hmac_name(host_hmac_id)) 50 fallback_hash_id = host_hmac_id; 51 if (ctrl->shash_id != host_hmac_id) 52 continue; 53 hash_id = ctrl->shash_id; 54 break; 55 } 56 if (hash_id == 0) { 57 if (fallback_hash_id == 0) { 58 pr_debug("%s: ctrl %d qid %d: no usable hash found\n", 59 __func__, ctrl->cntlid, req->sq->qid); 60 return NVME_AUTH_DHCHAP_FAILURE_HASH_UNUSABLE; 61 } 62 pr_debug("%s: ctrl %d qid %d: no usable hash found, falling back to %s\n", 63 __func__, ctrl->cntlid, req->sq->qid, 64 nvme_auth_hmac_name(fallback_hash_id)); 65 ctrl->shash_id = fallback_hash_id; 66 } 67 68 dhgid = -1; 69 for (i = 0; i < data->auth_protocol[0].dhchap.dhlen; i++) { 70 int tmp_dhgid = data->auth_protocol[0].dhchap.idlist[i + 30]; 71 72 if (tmp_dhgid == NVME_AUTH_DHGROUP_NULL) { 73 dhgid = tmp_dhgid; 74 break; 75 } 76 } 77 if (dhgid < 0) { 78 pr_debug("%s: ctrl %d qid %d: no usable DH group found\n", 79 __func__, ctrl->cntlid, req->sq->qid); 80 return NVME_AUTH_DHCHAP_FAILURE_DHGROUP_UNUSABLE; 81 } 82 pr_debug("%s: ctrl %d qid %d: selected DH group %s (%d)\n", 83 __func__, ctrl->cntlid, req->sq->qid, 84 nvme_auth_dhgroup_name(dhgid), dhgid); 85 return 0; 86 } 87 88 static u16 nvmet_auth_reply(struct nvmet_req *req, void *d) 89 { 90 struct nvmet_ctrl *ctrl = req->sq->ctrl; 91 struct nvmf_auth_dhchap_reply_data *data = d; > 92 u32 dhvlen = le32_to_cpu(data->dhvlen); 93 u8 *response; 94 95 pr_debug("%s: ctrl %d qid %d: data hl %d cvalid %d dhvlen %u\n", 96 __func__, ctrl->cntlid, req->sq->qid, 97 data->hl, data->cvalid, dhvlen); 98 99 if (dhvlen) { 100 return NVME_AUTH_DHCHAP_FAILURE_INCORRECT_PAYLOAD; 101 } 102 103 response = kmalloc(data->hl, GFP_KERNEL); 104 if (!response) 105 return NVME_AUTH_DHCHAP_FAILURE_FAILED; 106 107 if (!ctrl->host_key) { 108 pr_warn("ctrl %d qid %d no host key\n", 109 ctrl->cntlid, req->sq->qid); 110 kfree(response); 111 return NVME_AUTH_DHCHAP_FAILURE_FAILED; 112 } 113 if (nvmet_auth_host_hash(req, response, data->hl) < 0) { 114 pr_debug("ctrl %d qid %d host hash failed\n", 115 ctrl->cntlid, req->sq->qid); 116 kfree(response); 117 return NVME_AUTH_DHCHAP_FAILURE_FAILED; 118 } 119 120 if (memcmp(data->rval, response, data->hl)) { 121 pr_info("ctrl %d qid %d host response mismatch\n", 122 ctrl->cntlid, req->sq->qid); 123 kfree(response); 124 return NVME_AUTH_DHCHAP_FAILURE_FAILED; 125 } 126 kfree(response); 127 pr_debug("%s: ctrl %d qid %d host authenticated\n", 128 __func__, ctrl->cntlid, req->sq->qid); 129 if (data->cvalid) { 130 req->sq->dhchap_c2 = kmalloc(data->hl, GFP_KERNEL); 131 if (!req->sq->dhchap_c2) 132 return NVME_AUTH_DHCHAP_FAILURE_FAILED; 133 memcpy(req->sq->dhchap_c2, data->rval + data->hl, data->hl); 134 135 pr_debug("%s: ctrl %d qid %d challenge %*ph\n", 136 __func__, ctrl->cntlid, req->sq->qid, data->hl, 137 req->sq->dhchap_c2); 138 req->sq->dhchap_s2 = le32_to_cpu(data->seqnum); 139 } else 140 req->sq->dhchap_c2 = NULL; 141 142 return 0; 143 } 144
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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