lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Mon, 29 Aug 2011 18:04:00 +0200
From:	Richard Weinberger <richard@....at>
To:	akpm@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org,
	user-mode-linux-devel@...ts.sourceforge.net,
	Al Viro <viro@....linux.org.uk>,
	Al Viro <viro@...iv.linux.org.uk>,
	Richard Weinberger <richard@....at>
Subject: [PATCH 7/9] um: PTRACE_[GS]ETFPXREGS had been wired on the wrong subarch

From: Al Viro <viro@....linux.org.uk>

It's 32bit-only, not 64bit-only...  And while we are at it, it's
set_fpxregs(), not set_fpregs()...

Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@....at>
---
 arch/um/sys-i386/ptrace.c   |   14 +++++++++++++-
 arch/um/sys-x86_64/ptrace.c |   14 +-------------
 2 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/arch/um/sys-i386/ptrace.c b/arch/um/sys-i386/ptrace.c
index d23b2d3..49fd25a 100644
--- a/arch/um/sys-i386/ptrace.c
+++ b/arch/um/sys-i386/ptrace.c
@@ -206,5 +206,17 @@ int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
 long subarch_ptrace(struct task_struct *child, long request,
 		    unsigned long addr, unsigned long data)
 {
-	return -EIO;
+	int ret = -EIO;
+	void __user *datap = (void __user *) data;
+
+	switch (request) {
+	case PTRACE_GETFPXREGS: /* Get the child FPU state. */
+		ret = get_fpxregs(datap, child);
+		break;
+	case PTRACE_SETFPXREGS: /* Set the child FPU state. */
+		ret = set_fpxregs(datap, child);
+		break;
+	}
+
+	return ret;
 }
diff --git a/arch/um/sys-x86_64/ptrace.c b/arch/um/sys-x86_64/ptrace.c
index f436136..7ed49ac 100644
--- a/arch/um/sys-x86_64/ptrace.c
+++ b/arch/um/sys-x86_64/ptrace.c
@@ -178,17 +178,5 @@ int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
 long subarch_ptrace(struct task_struct *child, long request,
 		    unsigned long addr, unsigned long data)
 {
-	int ret = -EIO;
-	void __user *datap = (void __user *) data;
-
-	switch (request) {
-	case PTRACE_GETFPXREGS: /* Get the child FPU state. */
-		ret = get_fpregs(datap, child);
-		break;
-	case PTRACE_SETFPXREGS: /* Set the child FPU state. */
-		ret = set_fpregs(datap, child);
-		break;
-	}
-
-	return ret;
+	return -EIO;
 }
-- 
1.7.6.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ