security/keys/Kconfig: add KEYS_COMPAT option for keyctl tool #59
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How does this relate to upstream? Is it possible to cherry-pick a few commits to achieve the same purpose? |
kkamagui
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It seems that the commit torvalds@47b2c3f is related to my pull-request in Linux kernel source tree. |
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Can we use torvalds/linux@47b2c3f instead then? |
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Oh, that's good point. I will check that and update the progress about it. |
CONFIG_KEYS_COMPAT is defined in arch-specific Kconfigs and is missing for several 64-bit architectures : mips, parisc, tile. At the moment and for those architectures, calling in 32-bit userspace the keyctl syscall would return an ENOSYS error. This patch moves the CONFIG_KEYS_COMPAT option to security/keys/Kconfig, to make sure the compatibility wrapper is registered by default for any 64-bit architecture as long as it is configured with CONFIG_COMPAT. [DH: Modified to remove arm64 compat enablement also as requested by Eric Biggers] Signed-off-by: Bilal Amarni <[email protected]> Signed-off-by: David Howells <[email protected]> Reviewed-by: Arnd Bergmann <[email protected]> cc: Eric Biggers <[email protected]> Signed-off-by: James Morris <[email protected]> Link: https://patchwork.kernel.org/patch/9565609/ (cherry picked from commit 47b2c3f) Tested-by: Seunghun Han <[email protected]>
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I cherry-picked the torvalds@47b2c3f commit from Linux kernel repository instead of my commit and tested it. |
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Looks good to me. |
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The Keyctl tool of Raspbian OS doesn't work because Linux kernel of the rpi3
branch doesn't have compat_key functions.
To solve this problem, KEYS_COMPAT option is added to security/keys/Kconfig
file.
Signed-off-by: Seunghun Han [email protected]