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linux/drivers/char/tpm
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Jerry Snitselaar cc15d340ec tpm_crb: check for bad response size 
commit 8569defde8 upstream.

Make sure size of response buffer is at least 6 bytes, or
we will underflow and pass large size_t to memcpy_fromio().
This was encountered while testing earlier version of
locality patchset.

Fixes: 30fc8d138e ("tpm: TPM 2.0 CRB Interface")
Signed-off-by: Jerry Snitselaar <jsnitsel@redhat.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2017-05-25 15:44:32 +02:00
..
st33zp24 tpm/st33zp24: Remove useless tpm_gen_interrupt 2016-09-15 16:04:21 +03:00
Kconfig tpm/tpm_tis_spi: Add support for spi phy 2016-06-25 17:28:57 +03:00
Makefile tpm/tpm_tis_spi: Add support for spi phy 2016-06-25 17:28:57 +03:00
tpm-chip.c tmp: use pdev for parent device in tpm_chip_alloc 2017-05-14 14:00:13 +02:00
tpm-dev.c tpm: fix a race condition in tpm2_unseal_trusted() 2016-09-15 16:04:21 +03:00
tpm-interface.c tpm_tis: use default timeout value if chip reports it as zero 2017-05-08 07:47:55 +02:00
tpm-sysfs.c tpm: constify TPM 1.x header structures 2016-09-15 16:04:21 +03:00
tpm.h tpm: fix RC value check in tpm2_seal_trusted 2017-05-14 14:00:13 +02:00
tpm2-cmd.c tpm: fix RC value check in tpm2_seal_trusted 2017-05-14 14:00:13 +02:00
tpm_acpi.c ACPI: Clean up acpi_os_map/unmap_memory() to eliminate __iomem. 2014-05-27 18:13:08 +02:00
tpm_atmel.c tpm: Remove useless priv field in struct tpm_vendor_specific 2016-06-25 17:26:35 +03:00
tpm_atmel.h tpm: Remove useless priv field in struct tpm_vendor_specific 2016-06-25 17:26:35 +03:00
tpm_crb.c tpm_crb: check for bad response size 2017-05-25 15:44:32 +02:00
tpm_eventlog.c tpm: Get rid of devname 2016-06-25 17:26:35 +03:00
tpm_eventlog.h tpm: fix tpm_bios_log_setup stub prototype 2016-06-25 17:26:35 +03:00
tpm_i2c_atmel.c tpm: Factor out common startup code 2016-07-19 17:43:38 +03:00
tpm_i2c_infineon.c tpm: Factor out common startup code 2016-07-19 17:43:38 +03:00
tpm_i2c_nuvoton.c tpm: add sleep only for retry in i2c_nuvoton_write_status() 2017-05-25 15:44:32 +02:00
tpm_ibmvtpm.c tpm: fix for typo in tpm/tpm_ibmvtpm.c 2016-06-25 17:26:35 +03:00
tpm_ibmvtpm.h tpm_ibmvtpm: properly handle interrupted packet receptions 2015-12-20 15:27:12 +02:00
tpm_infineon.c tpm: Get rid of chip->pdev 2016-06-25 17:26:35 +03:00
tpm_nsc.c tpm: Remove useless priv field in struct tpm_vendor_specific 2016-06-25 17:26:35 +03:00
tpm_of.c TPM: Avoid reference to potentially freed memory 2015-11-09 17:52:55 +02:00
tpm_ppi.c tpm: move the PPI attributes to character device directory. 2015-10-19 01:01:20 +02:00
tpm_tis.c tpm_tis: fix the error handling of init_tis() 2017-03-12 06:41:43 +01:00
tpm_tis_core.c tpm_tis_core: Choose appropriate timeout for reading burstcount 2017-05-25 15:44:30 +02:00
tpm_tis_core.h tpm/tpm_tis: Split tpm_tis driver into a core and TCG TIS compliant phy 2016-06-25 17:28:57 +03:00
tpm_tis_spi.c tpm_tis_spi: Add small delay after last transfer 2017-05-25 15:44:32 +02:00
tpm_vtpm_proxy.c tpm: Factor out common startup code 2016-07-19 17:43:38 +03:00
xen-tpmfront.c tpm xen: Remove bogus tpm_chip_unregister 2017-01-06 10:40:17 +01:00