linux/drivers/firmware
Ard Biesheuvel e1df73e2d1 efi/libstub/random: Align allocate size to EFI_ALLOC_ALIGN
The EFI stub uses a per-architecture #define for the minimum base
and size alignment of page allocations, which is set to 4 KB for
all architecures except arm64, which uses 64 KB, to ensure that
allocations can always be (un)mapped efficiently, regardless of
the page size used by the kernel proper, which could be a kexec'ee

The API wrappers around page based allocations assume that this
alignment is always taken into account, and so efi_free() will
also round up its size argument to EFI_ALLOC_ALIGN.

Currently, efi_random_alloc() does not honour this alignment for
the allocated size, and so freeing such an allocation may result
in unrelated memory to be freed, potentially leading to issues
after boot. So let's round up size in efi_random_alloc() as well.

Fixes: 2ddbfc81ea ("efi: stub: add implementation of efi_random_alloc()")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
2020-04-23 20:15:06 +02:00
..
arm_scmi firmware: arm_scmi/perf: Replace zero-length array with flexible-array member 2020-02-20 17:12:24 +00:00
broadcom ioremap changes for 5.6 2020-01-27 13:03:00 -08:00
efi efi/libstub/random: Align allocate size to EFI_ALLOC_ALIGN 2020-04-23 20:15:06 +02:00
google firmware: google: Probe for a GSMI handler in firmware 2020-01-14 21:46:48 +01:00
imx ARM: driver updates 2020-04-03 15:05:35 -07:00
meson firmware: meson_sm: Add secure power domain support 2020-02-14 11:37:34 -08:00
psci firmware: psci: Replace cpu_up/down() with add/remove_cpu() 2020-03-25 12:59:37 +01:00
tegra firmware: tegra: Fix a typo in Kconfig 2020-02-17 08:54:09 +01:00
xilinx ARM: SoC updates 2020-04-03 15:02:35 -07:00
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: clean up sdei_event_create() 2020-02-27 17:14:18 +00:00
dmi_scan.c firmware: dmi: Add macro SMBIOS_ENTRY_POINT_SCAN_START 2020-03-23 15:44:04 +01:00
dmi-id.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 191 2019-05-30 11:29:21 -07:00
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 firmware: intel_stratix10_service: add depend on agilex 2020-03-18 12:24:18 +01:00
Makefile firmware: qcom_scm: Dynamically support SMCCC and legacy conventions 2020-01-07 22:14:43 -08:00
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: Dynamically support SMCCC and legacy conventions 2020-01-07 22:14:43 -08:00
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: Dynamically support SMCCC and legacy conventions 2020-01-07 22:14:43 -08:00
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 firmware: raspberrypi: register clk device 2019-06-25 16:04:26 -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: Fix incompatible function behavior for RSU driver 2019-11-14 13:11:32 +08:00
stratix10-svc.c firmware: stratix10-svc: add the compatible value for intel agilex 2020-03-18 12:24:18 +01:00
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 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
turris-mox-rwtm.c firmware: turris-mox-rwtm: small white space cleanup 2020-01-08 10:35:23 +01:00