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(parent: 9123e3a) | patch
efi/x86: Mark kernel rodata non-executable for mixed mode
authorArvind Sankar <nivedita@alum.mit.edu>
Fri, 17 Jul 2020 19:45:26 +0000 (15:45 -0400)
committerArd Biesheuvel <ardb@kernel.org>
Thu, 20 Aug 2020 09:18:36 +0000 (11:18 +0200)
commitc8502eb2d43b6b9b1dc382299a4d37031be63876
treee3c61984672bb8fa25d4026e228be29cd99ec66ctree | snapshot
parent9123e3a74ec7b934a4a099e98af6a61c2f80bbf5commit | diff
efi/x86: Mark kernel rodata non-executable for mixed mode

When remapping the kernel rodata section RO in the EFI pagetables, the
protection flags that were used for the text section are being reused,
but the rodata section should not be marked executable.

Cc: <stable@vger.kernel.org>
Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Link: https://lore.kernel.org/r/20200717194526.3452089-1-nivedita@alum.mit.edu
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
arch/x86/platform/efi/efi_64.c diff | blob | history
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