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[Stable-8.0.4 17/31] linux-user: Make sure initial brk(0) is page-aligne
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From: |
Michael Tokarev |
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Subject: |
[Stable-8.0.4 17/31] linux-user: Make sure initial brk(0) is page-aligned |
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Date: |
Tue, 25 Jul 2023 16:45:02 +0300 |
From: Andreas Schwab <schwab@suse.de>
Fixes: 86f04735ac ("linux-user: Fix brk() to release pages")
Signed-off-by: Andreas Schwab <schwab@suse.de>
Message-Id: <mvmpm55qnno.fsf@suse.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
(cherry picked from commit d28b3c90cfad1a7e211ae2bce36ecb9071086129)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 150d70633e..57aaa87e30 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -806,7 +806,7 @@ static abi_ulong brk_page;
void target_set_brk(abi_ulong new_brk)
{
- target_brk = new_brk;
+ target_brk = TARGET_PAGE_ALIGN(new_brk);
brk_page = HOST_PAGE_ALIGN(target_brk);
}
--
2.39.2