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59476f80d8
linux/drivers/firmware
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Arvind Sankar 59476f80d8 efi/x86: Only copy upto the end of setup_header 
When copying the setup_header into the boot_params buffer, only the data
that is actually part of the setup_header should be copied.

efi_pe_entry() currently copies the entire second sector, which
initializes some of the fields in boot_params beyond the setup_header
with garbage (i.e. part of the real-mode boot code gets copied into
those fields).

This does not cause any issues currently because the fields that are
overwritten are padding, BIOS EDD information that won't get used, and
the E820 table which will get properly filled in later.

Fix this to only copy data that is actually part of the setup_header
structure.

Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
2020-06-25 18:09:48 +02:00
..
arm_scmi firmware: arm_scmi: fix psci dependency 2020-05-07 16:28:56 +01:00
broadcom ioremap changes for 5.6 2020-01-27 13:03:00 -08:00
efi efi/x86: Only copy upto the end of setup_header 2020-06-25 18:09:48 +02:00
google firmware: google: Probe for a GSMI handler in firmware 2020-01-14 21:46:48 +01:00
imx i.MX drivers update for 5.8: 2020-05-26 00:00:47 +02:00
meson firmware: meson_sm: Add secure power domain support 2020-02-14 11:37:34 -08:00
psci firmware: smccc: Fix missing prototype warning for arm_smccc_version_init 2020-05-21 14:07:37 +01:00
smccc firmware: smccc: Add function to fetch SMCCC version 2020-05-20 19:10:37 +01:00
tegra firmware: tegra: Defer BPMP probe if shared memory not available 2020-05-22 14:57:14 +02:00
xilinx firmware: xilinx: Fix an error handling path in 'zynqmp_firmware_probe()' 2020-05-15 16:20:02 +02:00
arm_scpi.c firmware: arm_scpi: Replace zero-length array with flexible-array member 2020-02-20 17:13:59 +00:00
arm_sdei.c firmware: arm_sdei: Document the motivation behind these set_fs() calls 2020-05-20 09:36:01 +01:00
dmi_scan.c firmware/dmi: Report DMI Bios & EC firmware release 2020-06-06 11:35:50 +02:00
dmi-id.c firmware/dmi: Report DMI Bios & EC firmware release 2020-06-06 11:35:50 +02:00
dmi-sysfs.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
edd.c edd: Use scnprintf() for avoiding potential buffer overflow 2020-04-02 20:42:29 +02:00
iscsi_ibft_find.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 287 2019-06-05 17:36:37 +02:00
iscsi_ibft.c iscsi_ibft: Don't limits Targets and NICs to two 2020-01-12 13:16:04 -05:00
Kconfig pci-v5.8-changes 2020-06-06 11:01:58 -07:00
Makefile firmware: smccc: Refactor SMCCC specific bits into separate file 2020-05-20 19:10:37 +01:00
memmap.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 287 2019-06-05 17:36:37 +02:00
pcdp.c efi/ia64: Move HCDP and MPS table handling into IA64 arch code 2020-02-23 21:59:42 +01:00
pcdp.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
qcom_scm-legacy.c firmware: qcom_scm-legacy: Replace zero-length array with flexible-array 2020-05-12 15:16:33 -07:00
qcom_scm-smc.c firmware: qcom_scm: Dynamically support SMCCC and legacy conventions 2020-01-07 22:14:43 -08:00
qcom_scm.c firmware: qcom_scm: fix bogous abuse of dma-direct internals 2020-04-20 23:20:00 -07:00
qcom_scm.h firmware: qcom_scm: Dynamically support SMCCC and legacy conventions 2020-01-07 22:14:43 -08:00
qemu_fw_cfg.c media: headers: fix linux/mod_devicetable.h inclusions 2018-08-02 18:30:54 -04:00
raspberrypi.c pci-v5.8-changes 2020-06-06 11:01:58 -07:00
scpi_pm_domain.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201 2019-05-30 11:29:52 -07:00
stratix10-rsu.c firmware: fpga: replace the error codes with the standard ones 2020-04-28 15:38:37 +02:00
stratix10-svc.c firmware: fpga: replace the error codes with the standard ones 2020-04-28 15:38:37 +02:00
ti_sci.c firmware: ti_sci: Allow for device shared and exclusive requests 2019-09-04 20:44:33 +02:00
ti_sci.h ARM: SoC-related driver updates 2019-07-19 17:13:56 -07:00
trusted_foundations.c firmware: tf: Different way of L2 cache enabling after LP2 suspend 2020-05-06 18:27:26 +02:00
turris-mox-rwtm.c firmware: turris-mox-rwtm: small white space cleanup 2020-01-08 10:35:23 +01:00