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| author | Brijesh Singh <brijesh.singh@amd.com> | 2018-02-23 21:36:50 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-02-24 04:24:12 +0300 |
| commit | 3e233385ef4a217a2812115ed84d4be36eb16817 (patch) | |
| tree | 68739747947735b581d92137b65d148227dec70a /net/unix/sysctl_net_unix.c | |
| parent | 45d0be876308bf2f858559e84455219eadd9ddc7 (diff) | |
| download | linux-3e233385ef4a217a2812115ed84d4be36eb16817.tar.xz | |
KVM: SVM: no need to call access_ok() in LAUNCH_MEASURE command
Using the access_ok() to validate the input before issuing the SEV
command does not buy us anything in this case. If userland is
giving us a garbage pointer then copy_to_user() will catch it when we try
to return the measurement.
Suggested-by: Al Viro <viro@ZenIV.linux.org.uk>
Fixes: 0d0736f76347 (KVM: SVM: Add support for KVM_SEV_LAUNCH_MEASURE ...)
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: linux-kernel@vger.kernel.org
Cc: Joerg Roedel <joro@8bytes.org>
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'net/unix/sysctl_net_unix.c')
0 files changed, 0 insertions, 0 deletions