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[PULL 06/13] linux-user: Adjust brk for load_bias
From: |
Richard Henderson |
Subject: |
[PULL 06/13] linux-user: Adjust brk for load_bias |
Date: |
Fri, 1 Sep 2023 13:42:44 -0700 |
PIE executables are usually linked at offset 0 and are
relocated somewhere during load. The hiaddr needs to
be adjusted to keep the brk next to the executable.
Cc: qemu-stable@nongnu.org
Fixes: 1f356e8c013 ("linux-user: Adjust initial brk when interpreter is close
to executable")
Tested-by: Helge Deller <deller@gmx.de>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
linux-user/elfload.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 7c95098e3e..d52d47c5c3 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -3327,7 +3327,7 @@ static void load_elf_image(const char *image_name, int
image_fd,
info->start_data = -1;
info->end_data = 0;
/* Usual start for brk is after all sections of the main executable. */
- info->brk = TARGET_PAGE_ALIGN(hiaddr);
+ info->brk = TARGET_PAGE_ALIGN(hiaddr + load_bias);
info->elf_flags = ehdr->e_flags;
prot_exec = PROT_EXEC;
--
2.34.1
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