diff options
| author | Borislav Petkov <bp@suse.de> | 2021-03-18 16:43:11 +0100 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2021-03-18 16:43:11 +0100 |
| commit | afb4a37778491eae010a43edebea32ff2d45f01c (patch) | |
| tree | c40bcc6143e5542134477dd96a108d24b1f9074f /drivers/misc/fastrpc.c | |
| parent | 229164175ff0c61ff581e6bf37fbfcb608b6e9bb (diff) | |
| parent | 1e28eed17697bcf343c6743f0028cc3b5dd88bf0 (diff) | |
Merge tag 'v5.12-rc3' into x86/seves
Pick up dependent SEV-ES urgent changes which went into -rc3 to base new
work ontop.
Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'drivers/misc/fastrpc.c')
| -rw-r--r-- | drivers/misc/fastrpc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index f12e909034ac..beda610e6b30 100644 --- a/drivers/misc/fastrpc.c +++ b/drivers/misc/fastrpc.c @@ -950,6 +950,11 @@ static int fastrpc_internal_invoke(struct fastrpc_user *fl, u32 kernel, if (!fl->cctx->rpdev) return -EPIPE; + if (handle == FASTRPC_INIT_HANDLE && !kernel) { + dev_warn_ratelimited(fl->sctx->dev, "user app trying to send a kernel RPC message (%d)\n", handle); + return -EPERM; + } + ctx = fastrpc_context_alloc(fl, kernel, sc, args); if (IS_ERR(ctx)) return PTR_ERR(ctx); |