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[metal] Fix bug: munmap() should clear PAGE_RSRV in page table

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tkchia 2022-10-14 08:45:29 +00:00
parent da336b3ea8
commit 28bd57c6d0
1 changed files with 1 additions and 1 deletions
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libc/calls/munmap-metal.c
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@ -26,7 +26,7 @@ noasan int sys_munmap_metal(void *addr, size_t size) {
mm = (struct mman *)(BANE + 0x0500); mm = (struct mman *)(BANE + 0x0500);
for (i = 0; i < size; i += 4096) { for (i = 0; i < size; i += 4096) {
e = __get_virtual(mm, __get_pml4t(), (uint64_t)addr + i, false); e = __get_virtual(mm, __get_pml4t(), (uint64_t)addr + i, false);
if (e) *e = ~PAGE_V; if (e) *e = ~(PAGE_V | PAGE_RSRV);
invlpg(e); invlpg(e);
} }
return 0; return 0;