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Commit 2e0f7b0f authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "msm: ADSPRPC: use access_ok to validate pointers"

parents 000a817f 3b374471
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+7 −0
Original line number Diff line number Diff line
@@ -1654,12 +1654,19 @@ static int fastrpc_init_process(struct fastrpc_file *fl,
		inbuf.namelen = strlen(current->comm) + 1;
		inbuf.filelen = init->filelen;
		fl->pd = 1;

		if (!access_ok(0, (void const __user *)init->file,
				init->filelen))
			goto bail;
		if (init->filelen) {
			VERIFY(err, !fastrpc_mmap_create(fl, init->filefd, 0,
				init->file, init->filelen, mflags, &file));
			if (err)
				goto bail;
		}
		if (!access_ok(1, (void const __user *)init->mem,
				init->memlen))
			goto bail;
		inbuf.pageslen = 1;
		VERIFY(err, !fastrpc_mmap_create(fl, init->memfd, 0,
				init->mem, init->memlen, mflags, &mem));