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* [glibc] hurd: Fix computing user stack pointer
@ 2023-05-16 14:09 Samuel Thibault
  0 siblings, 0 replies; only message in thread
From: Samuel Thibault @ 2023-05-16 14:09 UTC (permalink / raw)
  To: glibc-cvs

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=114f1b7881e63e2b4e5d0e9a9e4fb142b9cd886c

commit 114f1b7881e63e2b4e5d0e9a9e4fb142b9cd886c
Author: Sergey Bugaev <bugaevc@gmail.com>
Date:   Mon May 15 11:33:23 2023 +0300

    hurd: Fix computing user stack pointer
    
    Fixes b574ae0a2876ee94e4fe617f878407bf818c2df0
    "hurd: Implement sigreturn for x86_64"
    
    Checked on x86_64-gnu.
    
    Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
    Message-Id: <20230515083323.1358039-5-bugaevc@gmail.com>

Diff:
---
 sysdeps/mach/hurd/x86_64/sigreturn.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sysdeps/mach/hurd/x86_64/sigreturn.c b/sysdeps/mach/hurd/x86_64/sigreturn.c
index 82247e3c3e..5d3a4d31dc 100644
--- a/sysdeps/mach/hurd/x86_64/sigreturn.c
+++ b/sysdeps/mach/hurd/x86_64/sigreturn.c
@@ -126,7 +126,7 @@ __sigreturn (struct sigcontext *scp)
        copy the registers onto the user's stack, switch there, pop and
        return.  */
 
-    uintptr_t *usp = (uintptr_t *) scp->sc_ursp - 128;
+    uintptr_t *usp = (uintptr_t *) (scp->sc_ursp - 128);
 
     *--usp = scp->sc_rip;
     *--usp = scp->sc_rfl;

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