Messages in this thread Patch in this message | | | From | Joerg Roedel <> | Subject | [PATCH] x86/signals: Fix lower/upper bound reporting in compat siginfo | Date | Tue, 4 Apr 2017 18:15:01 +0200 |
| |
From: Joerg Roedel <jroedel@suse.de>
Put the right values from the original siginfo into the userspace compat-siginfo.
This fixes the 32-bit mpx tabletest on a 64-bit kernel.
Fixes: a4455082dc6f0 ('x86/signals: Add missing signal_compat code for x86 features') Cc: Dave Hansen <dave.hansen@linux.intel.com> Signed-off-by: Joerg Roedel <jroedel@suse.de> --- arch/x86/kernel/signal_compat.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/signal_compat.c b/arch/x86/kernel/signal_compat.c index ec1f756..71beb28 100644 --- a/arch/x86/kernel/signal_compat.c +++ b/arch/x86/kernel/signal_compat.c @@ -151,8 +151,8 @@ int __copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from, if (from->si_signo == SIGSEGV) { if (from->si_code == SEGV_BNDERR) { - compat_uptr_t lower = (unsigned long)&to->si_lower; - compat_uptr_t upper = (unsigned long)&to->si_upper; + compat_uptr_t lower = (unsigned long)from->si_lower; + compat_uptr_t upper = (unsigned long)from->si_upper; put_user_ex(lower, &to->si_lower); put_user_ex(upper, &to->si_upper); } -- 1.9.1
| |