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authorLinus Torvalds <torvalds@linux-foundation.org>2019-09-25 19:40:24 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2019-09-25 19:40:24 +0300
commit301310c6d24e5b135d1efd3d4a9cc6adc4fbd94a (patch)
tree819a1ccf187a6b873e6cc2c40a4bde96687b5cc6
parent4ef5b13a294c136c9673a8e04e6afea333c7f755 (diff)
parente13cd21ffd50a07b55dcc4d8c38cedf27f28eaa1 (diff)
downloadlinux-301310c6d24e5b135d1efd3d4a9cc6adc4fbd94a.tar.xz
Merge tag 'tpmdd-next-20190925' of git://git.infradead.org/users/jjs/linux-tpmdd
Pull tpm fixes from Jarkko Sakkinen. * tag 'tpmdd-next-20190925' of git://git.infradead.org/users/jjs/linux-tpmdd: tpm: Wrap the buffer from the caller to tpm_buf in tpm_send() MAINTAINERS: keys: Update path to trusted.h KEYS: trusted: correctly initialize digests and fix locking issue selftests/tpm2: Add log and *.pyc to .gitignore selftests/tpm2: Add the missing TEST_FILES assignment
-rw-r--r--MAINTAINERS2
-rw-r--r--drivers/char/tpm/tpm-interface.c23
-rw-r--r--security/keys/trusted.c5
-rw-r--r--tools/testing/selftests/.gitignore2
-rw-r--r--tools/testing/selftests/tpm2/Makefile1
5 files changed, 20 insertions, 13 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index a8d193a74692..a97f1be63b9d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9056,7 +9056,7 @@ S: Supported
F: Documentation/security/keys/trusted-encrypted.rst
F: include/keys/trusted-type.h
F: security/keys/trusted.c
-F: security/keys/trusted.h
+F: include/keys/trusted.h
KEYS/KEYRINGS:
M: David Howells <dhowells@redhat.com>
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
index 1b4f95c13e00..d7a3888ad80f 100644
--- a/drivers/char/tpm/tpm-interface.c
+++ b/drivers/char/tpm/tpm-interface.c
@@ -320,18 +320,22 @@ int tpm_pcr_extend(struct tpm_chip *chip, u32 pcr_idx,
if (!chip)
return -ENODEV;
- for (i = 0; i < chip->nr_allocated_banks; i++)
- if (digests[i].alg_id != chip->allocated_banks[i].alg_id)
- return -EINVAL;
+ for (i = 0; i < chip->nr_allocated_banks; i++) {
+ if (digests[i].alg_id != chip->allocated_banks[i].alg_id) {
+ rc = EINVAL;
+ goto out;
+ }
+ }
if (chip->flags & TPM_CHIP_FLAG_TPM2) {
rc = tpm2_pcr_extend(chip, pcr_idx, digests);
- tpm_put_ops(chip);
- return rc;
+ goto out;
}
rc = tpm1_pcr_extend(chip, pcr_idx, digests[0].digest,
"attempting extend a PCR value");
+
+out:
tpm_put_ops(chip);
return rc;
}
@@ -354,14 +358,9 @@ int tpm_send(struct tpm_chip *chip, void *cmd, size_t buflen)
if (!chip)
return -ENODEV;
- rc = tpm_buf_init(&buf, 0, 0);
- if (rc)
- goto out;
-
- memcpy(buf.data, cmd, buflen);
+ buf.data = cmd;
rc = tpm_transmit_cmd(chip, &buf, 0, "attempting to a send a command");
- tpm_buf_destroy(&buf);
-out:
+
tpm_put_ops(chip);
return rc;
}
diff --git a/security/keys/trusted.c b/security/keys/trusted.c
index ade699131065..1fbd77816610 100644
--- a/security/keys/trusted.c
+++ b/security/keys/trusted.c
@@ -1228,11 +1228,16 @@ hashalg_fail:
static int __init init_digests(void)
{
+ int i;
+
digests = kcalloc(chip->nr_allocated_banks, sizeof(*digests),
GFP_KERNEL);
if (!digests)
return -ENOMEM;
+ for (i = 0; i < chip->nr_allocated_banks; i++)
+ digests[i].alg_id = chip->allocated_banks[i].alg_id;
+
return 0;
}
diff --git a/tools/testing/selftests/.gitignore b/tools/testing/selftests/.gitignore
index 8059ce834247..61df01cdf0b2 100644
--- a/tools/testing/selftests/.gitignore
+++ b/tools/testing/selftests/.gitignore
@@ -2,3 +2,5 @@ gpiogpio-event-mon
gpiogpio-hammer
gpioinclude/
gpiolsgpio
+tpm2/SpaceTest.log
+tpm2/*.pyc
diff --git a/tools/testing/selftests/tpm2/Makefile b/tools/testing/selftests/tpm2/Makefile
index 9dd848427a7b..bf401f725eef 100644
--- a/tools/testing/selftests/tpm2/Makefile
+++ b/tools/testing/selftests/tpm2/Makefile
@@ -2,3 +2,4 @@
include ../lib.mk
TEST_PROGS := test_smoke.sh test_space.sh
+TEST_FILES := tpm2.py tpm2_tests.py