Re: [PATCH] KEYS: x86_64 needs to use compat_sys_keyctl for 32-bit userspace

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Am Mittwoch, 27. Juli 2016, 11:42:38 CEST schrieb David Howells:

Hi David,

> x86_64 needs to use compat_sys_keyctl for 32-bit userspace rather than
> calling sys_keyctl.  The latter will work in a lot of cases, thereby hiding
> the issue.
> 
> Reported-by: Stephan Mueller <smueller@xxxxxxxxxx>
> Signed-off-by: David Howells <dhowells@xxxxxxxxxx>

Tested-by: Stephan Mueller <smueller@xxxxxxxxxx>

> cc: stable@xxxxxxxxxxxxxxx
> ---
> 
>  arch/x86/entry/syscalls/syscall_32.tbl |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/x86/entry/syscalls/syscall_32.tbl
> b/arch/x86/entry/syscalls/syscall_32.tbl index 4cddd17153fb..f848572169ea
> 100644
> --- a/arch/x86/entry/syscalls/syscall_32.tbl
> +++ b/arch/x86/entry/syscalls/syscall_32.tbl
> @@ -294,7 +294,7 @@
>  # 285 sys_setaltroot
>  286	i386	add_key			sys_add_key
>  287	i386	request_key		sys_request_key
> -288	i386	keyctl			sys_keyctl
> +288	i386	keyctl			sys_keyctl			compat_sys_keyctl
>  289	i386	ioprio_set		sys_ioprio_set
>  290	i386	ioprio_get		sys_ioprio_get
>  291	i386	inotify_init		sys_inotify_init



Ciao
Stephan
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