Anton Gusev 966d47e1f2 efi: fix potential NULL deref in efi_mem_reserve_persistent ...

When iterating on a linked list, a result of memremap is dereferenced
without checking it for NULL.

This patch adds a check that falls back on allocating a new page in
case memremap doesn't succeed.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 18df7577ad ("efi/memreserve: deal with memreserve entries in unmapped memory")
Signed-off-by: Anton Gusev <aagusev@ispras.ru>
[ardb: return -ENOMEM instead of breaking out of the loop]
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>

2023-02-03 14:52:10 +01:00

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libstub

Merge tag 'x86_boot_for_v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2022-12-13 14:45:29 -08:00

test

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apple-properties.c

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arm-runtime.c

Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

2022-12-13 15:22:14 -08:00

capsule-loader.c

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capsule.c

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cper_cxl.c

efi/cper, cxl: Decode CXL Error Log

2022-11-18 09:14:10 +01:00

cper_cxl.h

efi/cper, cxl: Decode CXL Protocol Error Section

2022-11-18 09:14:10 +01:00

cper-arm.c

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cper-x86.c

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cper.c

Merge tag 'efi-next-for-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi

2022-12-13 14:31:47 -08:00

dev-path-parser.c

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earlycon.c

efi: earlycon: use console_is_registered()

2022-12-02 11:25:01 +01:00

efi-bgrt.c

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efi-init.c

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efi-pstore.c

Merge tag 'efi-next-for-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi

2022-12-13 14:31:47 -08:00

efi.c

efi: fix potential NULL deref in efi_mem_reserve_persistent

2023-02-03 14:52:10 +01:00

efibc.c

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embedded-firmware.c

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esrt.c

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fdtparams.c

efi: xen: Set EFI_PARAVIRT for Xen dom0 boot on all architectures

2022-11-18 09:14:09 +01:00

Kconfig

efi: libstub: Always enable initrd command line loader and bump version

2022-12-01 16:08:18 +01:00

Makefile

efi/cper, cxl: Decode CXL Protocol Error Section

2022-11-18 09:14:10 +01:00

memattr.c

efi: Accept version 2 of memory attributes table

2023-02-02 18:32:25 +01:00

memmap.c

efi: xen: Set EFI_PARAVIRT for Xen dom0 boot on all architectures

2022-11-18 09:14:09 +01:00

mokvar-table.c

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rci2-table.c

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reboot.c

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riscv-runtime.c

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runtime-wrappers.c

efi: fix userspace infinite retry read efivars after EFI runtime services page fault

2023-01-03 10:52:16 +01:00

sysfb_efi.c

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tpm.c

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vars.c

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