From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com
Subject: drivers/char/tpm/tpm2-cmd.c:210:20: error: invalid use of void expression
Date: Tue, 2 Dec 2025 18:16:16 +0100 [thread overview]
Message-ID: <202512021855.UvxHIno1-lkp@intel.com> (raw)
::::::
:::::: Manual check reason: "low confidence bisect report"
:::::: Manual check reason: "bisect to a FBC not belonging to original linux-review patches: branch: linux-review/Jarkko-Sakkinen/tpm2-sessions-address-out-of-range-indexing/20251202-034236, commit: 991addbbc9ef9c912d1dce90bf0e8a9b83b1704e"
::::::
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
TO: Jarkko Sakkinen <jarkko@kernel.org>
CC: 0day robot <lkp@intel.com>
tree: https://github.com/intel-lab-lkp/linux/commits/Jarkko-Sakkinen/tpm2-sessions-address-out-of-range-indexing/20251202-034236
head: 991addbbc9ef9c912d1dce90bf0e8a9b83b1704e
commit: 991addbbc9ef9c912d1dce90bf0e8a9b83b1704e tpm2-sessions: address out-of-range indexing
date: 22 hours ago
:::::: branch date: 22 hours ago
:::::: commit date: 22 hours ago
config: s390-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20251202/202512021855.UvxHIno1-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251202/202512021855.UvxHIno1-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202512021855.UvxHIno1-lkp@intel.com/
All errors (new ones prefixed by >>):
drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_pcr_extend':
>> drivers/char/tpm/tpm2-cmd.c:210:20: error: invalid use of void expression
210 | rc = tpm_buf_fill_hmac_session(chip, &buf);
| ^
drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_get_random':
drivers/char/tpm/tpm2-cmd.c:274:21: error: invalid use of void expression
274 | err = tpm_buf_fill_hmac_session(chip, &buf);
| ^
vim +210 drivers/char/tpm/tpm2-cmd.c
7a1d7e6dd76a20 Jarkko Sakkinen 2014-12-12 159
7a1d7e6dd76a20 Jarkko Sakkinen 2014-12-12 160 /**
7a1d7e6dd76a20 Jarkko Sakkinen 2014-12-12 161 * tpm2_pcr_extend() - extend a PCR value
794c6e109b5938 Winkler, Tomas 2016-11-23 162 *
7a1d7e6dd76a20 Jarkko Sakkinen 2014-12-12 163 * @chip: TPM chip to use.
7a1d7e6dd76a20 Jarkko Sakkinen 2014-12-12 164 * @pcr_idx: index of the PCR.
c1f92b4b04ad70 Nayna Jain 2017-01-30 165 * @digests: list of pcr banks and corresponding digest values to extend.
7a1d7e6dd76a20 Jarkko Sakkinen 2014-12-12 166 *
794c6e109b5938 Winkler, Tomas 2016-11-23 167 * Return: Same as with tpm_transmit_cmd.
7a1d7e6dd76a20 Jarkko Sakkinen 2014-12-12 168 */
0b6cf6b97b7ef1 Roberto Sassu 2019-02-06 169 int tpm2_pcr_extend(struct tpm_chip *chip, u32 pcr_idx,
aa042475938f58 Roberto Sassu 2019-02-06 170 struct tpm_digest *digests)
7a1d7e6dd76a20 Jarkko Sakkinen 2014-12-12 171 {
c1f92b4b04ad70 Nayna Jain 2017-01-30 172 struct tpm_buf buf;
7a1d7e6dd76a20 Jarkko Sakkinen 2014-12-12 173 int rc;
c1f92b4b04ad70 Nayna Jain 2017-01-30 174 int i;
7a1d7e6dd76a20 Jarkko Sakkinen 2014-12-12 175
27184f8905ba68 Jarkko Sakkinen 2024-11-13 176 if (!disable_pcr_integrity) {
6519fea6fd372b James Bottomley 2024-04-29 177 rc = tpm2_start_auth_session(chip);
c1f92b4b04ad70 Nayna Jain 2017-01-30 178 if (rc)
c1f92b4b04ad70 Nayna Jain 2017-01-30 179 return rc;
27184f8905ba68 Jarkko Sakkinen 2024-11-13 180 }
c1f92b4b04ad70 Nayna Jain 2017-01-30 181
6519fea6fd372b James Bottomley 2024-04-29 182 rc = tpm_buf_init(&buf, TPM2_ST_SESSIONS, TPM2_CC_PCR_EXTEND);
6519fea6fd372b James Bottomley 2024-04-29 183 if (rc) {
27184f8905ba68 Jarkko Sakkinen 2024-11-13 184 if (!disable_pcr_integrity)
6519fea6fd372b James Bottomley 2024-04-29 185 tpm2_end_auth_session(chip);
6519fea6fd372b James Bottomley 2024-04-29 186 return rc;
6519fea6fd372b James Bottomley 2024-04-29 187 }
c1f92b4b04ad70 Nayna Jain 2017-01-30 188
27184f8905ba68 Jarkko Sakkinen 2024-11-13 189 if (!disable_pcr_integrity) {
991addbbc9ef9c Jarkko Sakkinen 2025-12-01 190 rc = tpm_buf_append_name(chip, &buf, pcr_idx, NULL);
991addbbc9ef9c Jarkko Sakkinen 2025-12-01 191 if (rc) {
991addbbc9ef9c Jarkko Sakkinen 2025-12-01 192 tpm_buf_destroy(&buf);
991addbbc9ef9c Jarkko Sakkinen 2025-12-01 193 return rc;
991addbbc9ef9c Jarkko Sakkinen 2025-12-01 194 }
6519fea6fd372b James Bottomley 2024-04-29 195 tpm_buf_append_hmac_session(chip, &buf, 0, NULL, 0);
27184f8905ba68 Jarkko Sakkinen 2024-11-13 196 } else {
27184f8905ba68 Jarkko Sakkinen 2024-11-13 197 tpm_buf_append_handle(chip, &buf, pcr_idx);
27184f8905ba68 Jarkko Sakkinen 2024-11-13 198 tpm_buf_append_auth(chip, &buf, 0, NULL, 0);
27184f8905ba68 Jarkko Sakkinen 2024-11-13 199 }
c1f92b4b04ad70 Nayna Jain 2017-01-30 200
0b6cf6b97b7ef1 Roberto Sassu 2019-02-06 201 tpm_buf_append_u32(&buf, chip->nr_allocated_banks);
c1f92b4b04ad70 Nayna Jain 2017-01-30 202
0b6cf6b97b7ef1 Roberto Sassu 2019-02-06 203 for (i = 0; i < chip->nr_allocated_banks; i++) {
c1f92b4b04ad70 Nayna Jain 2017-01-30 204 tpm_buf_append_u16(&buf, digests[i].alg_id);
879b589210a9a0 Roberto Sassu 2019-02-06 205 tpm_buf_append(&buf, (const unsigned char *)&digests[i].digest,
879b589210a9a0 Roberto Sassu 2019-02-06 206 chip->allocated_banks[i].digest_size);
c1f92b4b04ad70 Nayna Jain 2017-01-30 207 }
c1f92b4b04ad70 Nayna Jain 2017-01-30 208
991addbbc9ef9c Jarkko Sakkinen 2025-12-01 209 if (!disable_pcr_integrity) {
991addbbc9ef9c Jarkko Sakkinen 2025-12-01 @210 rc = tpm_buf_fill_hmac_session(chip, &buf);
991addbbc9ef9c Jarkko Sakkinen 2025-12-01 211 if (rc) {
991addbbc9ef9c Jarkko Sakkinen 2025-12-01 212 tpm_buf_destroy(&buf);
991addbbc9ef9c Jarkko Sakkinen 2025-12-01 213 return rc;
991addbbc9ef9c Jarkko Sakkinen 2025-12-01 214 }
991addbbc9ef9c Jarkko Sakkinen 2025-12-01 215 }
991addbbc9ef9c Jarkko Sakkinen 2025-12-01 216
47a6c28b6861b1 Jarkko Sakkinen 2018-11-05 217 rc = tpm_transmit_cmd(chip, &buf, 0, "attempting extend a PCR value");
27184f8905ba68 Jarkko Sakkinen 2024-11-13 218 if (!disable_pcr_integrity)
6519fea6fd372b James Bottomley 2024-04-29 219 rc = tpm_buf_check_hmac_response(chip, &buf, rc);
7a1d7e6dd76a20 Jarkko Sakkinen 2014-12-12 220
c1f92b4b04ad70 Nayna Jain 2017-01-30 221 tpm_buf_destroy(&buf);
c1f92b4b04ad70 Nayna Jain 2017-01-30 222
7a1d7e6dd76a20 Jarkko Sakkinen 2014-12-12 223 return rc;
7a1d7e6dd76a20 Jarkko Sakkinen 2014-12-12 224 }
7a1d7e6dd76a20 Jarkko Sakkinen 2014-12-12 225
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2025-12-02 17:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-02 17:16 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2025-12-03 2:24 drivers/char/tpm/tpm2-cmd.c:210:20: error: invalid use of void expression kernel test robot
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