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27 lines
958 B
Diff
27 lines
958 B
Diff
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From 3d340d4f31aa1cb3ad6cd9e7a59118e84ab040f1 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Aida=20Jonikien=C4=97?= <aidas957@gmail.com>
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Date: Fri, 8 Mar 2024 17:52:24 -0600
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Subject: [PATCH] ntdll: Trigger write watches on the "info" pointer in
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SystemInterruptInformation.
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---
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dlls/ntdll/unix/system.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/dlls/ntdll/unix/system.c b/dlls/ntdll/unix/system.c
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index 4c6c4cd23e2..9dc1ff80152 100644
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--- a/dlls/ntdll/unix/system.c
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+++ b/dlls/ntdll/unix/system.c
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@@ -2943,7 +2943,7 @@ NTSTATUS WINAPI NtQuerySystemInformation( SYSTEM_INFORMATION_CLASS class,
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len = peb->NumberOfProcessors * sizeof(SYSTEM_INTERRUPT_INFORMATION);
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if (size >= len)
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{
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- if (!info) ret = STATUS_ACCESS_VIOLATION;
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+ if (!info || !virtual_check_buffer_for_write( info, len )) ret = STATUS_ACCESS_VIOLATION;
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else
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{
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#ifdef HAVE_GETRANDOM
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--
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2.43.0
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