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remap_file_pages: check file mapping

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Change-Id: Ibf145a20181938a9825214253337a423fcd53064
Refs: #1521
This commit is contained in:
Tomoki Shirasawa
2020-09-01 07:26:46 +09:00
committed by Masamichi Takagi
parent e6e66e0392
commit b0bd1feefb
9 changed files with 210 additions and 2 deletions
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2
kernel/syscall.c
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@@ -9213,7 +9213,7 @@ SYSCALL_DECLARE(remap_file_pages)
if (!range || (start < range->start) || (range->end < end)
|| (range->flag & VR_PRIVATE)
|| (range->flag & (VR_REMOTE|VR_IO_NOCACHE|VR_RESERVED))
|| !range->memobj) {
|| !is_callable_remap_file_pages(range->memobj)) {
ekprintf("sys_remap_file_pages(%#lx,%#lx,%#x,%#lx,%#x):"
"invalid VMR:[%#lx-%#lx) %#lx %p\n",
start0, size, prot, pgoff, flags,