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[Stable-8.1.1 15/34] linux-user: Adjust brk for load_bias
From: |
Michael Tokarev |
Subject: |
[Stable-8.1.1 15/34] linux-user: Adjust brk for load_bias |
Date: |
Sat, 9 Sep 2023 13:27:08 +0300 |
From: Richard Henderson <richard.henderson@linaro.org>
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>
(cherry picked from commit aec338d63bc28f1f13d5e64c561d7f1dd0e4b07e)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index ac03beb01b..a69e7d7eab 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -3204,7 +3204,7 @@ 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;
--
2.39.2
- [Stable-8.1.1 11/34] softmmu: Assert data in bounds in iotlb_to_section, (continued)
[Stable-8.1.1 12/34] softmmu: Use async_run_on_cpu in tcg_commit, Michael Tokarev, 2023/09/09
[Stable-8.1.1 13/34] block-migration: Ensure we don't crash during migration cleanup, Michael Tokarev, 2023/09/09
[Stable-8.1.1 14/34] target/arm: properly document FEAT_CRC32, Michael Tokarev, 2023/09/09
[Stable-8.1.1 15/34] linux-user: Adjust brk for load_bias,
Michael Tokarev <=
[Stable-8.1.1 16/34] target/i386: raise FERR interrupt with iothread locked, Michael Tokarev, 2023/09/09
[Stable-8.1.1 17/34] ui/dbus: Properly dispose touch/mouse dbus objects, Michael Tokarev, 2023/09/09
[Stable-8.1.1 18/34] ppc/vof: Fix missed fields in VOF cleanup, Michael Tokarev, 2023/09/09
[Stable-8.1.1 19/34] hw/ppc/e500: fix broken snapshot replay, Michael Tokarev, 2023/09/09
[Stable-8.1.1 20/34] target/ppc: Flush inputs to zero with NJ in ppc_store_vscr, Michael Tokarev, 2023/09/09
[Stable-8.1.1 22/34] hw/ide/core: set ERR_STAT in unsupported command completion, Michael Tokarev, 2023/09/09
[Stable-8.1.1 21/34] target/ppc: Fix LQ, STQ register-pair order for big-endian, Michael Tokarev, 2023/09/09
[Stable-8.1.1 23/34] hw/ide/ahci: write D2H FIS when processing NCQ command, Michael Tokarev, 2023/09/09
[Stable-8.1.1 24/34] hw/ide/ahci: simplify and document PxCI handling, Michael Tokarev, 2023/09/09
[Stable-8.1.1 26/34] hw/ide/ahci: PxCI should not get cleared when ERR_STAT is set, Michael Tokarev, 2023/09/09