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kernel/vm: _user_set_memory_protection() should only check the user protection

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as it extends the provided protection with the kernel protection.
fix hrev55016

Change-Id: I9fa9349c15b4ef896a9dadd1b1b7a4165cc03b39
Reviewed-on: https://review.haiku-os.org/c/haiku/+/5531
Tested-by: Commit checker robot <[email protected]>
Reviewed-by: waddlesplash <[email protected]>
This commit is contained in:
Jérôme Duval
2022-08-08 15:17:57 +00:00
committed by waddlesplash
parent ee96bcfe51
commit fc473ac261
1 changed files with 1 additions and 1 deletions
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src/system/kernel/vm/vm.cpp
+1 -1
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@@ -6647,7 +6647,7 @@ _user_set_memory_protection(void* _address, size_t size, uint32 protection)
if ((area->protection & B_KERNEL_AREA) != 0)
return B_NOT_ALLOWED;
if (area->protection_max != 0
&& (protection & area->protection_max) != protection) {
&& (protection & area->protection_max) != (protection & B_USER_PROTECTION)) {
return B_NOT_ALLOWED;
}