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30 lines
914 B
Diff
30 lines
914 B
Diff
From 58dec23397e3fcc4300cc03839ce5e508389abbc Mon Sep 17 00:00:00 2001
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From: William Pitcock <nenolod@dereferenced.org>
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Date: Thu, 22 Jun 2017 22:04:51 +0000
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Subject: [PATCH] pthread internals: increase DEFAULT_GUARD_SIZE to 2 pages
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instead of 1 page.
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This is intended to be a proactive mitigation against any bugs similar to CVE-2017-1000366.
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Signed-off-by: William Pitcock <nenolod@dereferenced.org>
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---
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src/internal/pthread_impl.h | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/internal/pthread_impl.h b/src/internal/pthread_impl.h
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index ae0ab1c5..ad4ea3fa 100644
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--- a/src/internal/pthread_impl.h
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+++ b/src/internal/pthread_impl.h
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@@ -146,7 +146,7 @@ void __block_app_sigs(void *);
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void __restore_sigs(void *);
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#define DEFAULT_STACK_SIZE 81920
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-#define DEFAULT_GUARD_SIZE 4096
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+#define DEFAULT_GUARD_SIZE 8192
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#define __ATTRP_C11_THREAD ((void*)(uintptr_t)-1)
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--
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2.13.0
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