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authorDavid Howells <dhowells@redhat.com>2016-07-27 11:42:38 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-08-16 09:30:50 +0200
commit3cde0e742e29d112aca58731a77d8a3aee386fb8 (patch)
tree254028cc3229511c1589e64f99a525de0d960f2a /block
parent821d5e6b8aed558a989514ea85fa14e097111cf0 (diff)
x86/syscalls/64: Add compat_sys_keyctl for 32-bit userspace
commit f7d665627e103e82d34306c7d3f6f46f387c0d8b upstream. 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@chronox.de> Tested-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: David Howells <dhowells@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: keyrings@vger.kernel.org Cc: linux-security-module@vger.kernel.org Link: http://lkml.kernel.org/r/146961615805.14395.5581949237156769439.stgit@warthog.procyon.org.uk Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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