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:	Fri, 22 Mar 2013 20:49:46 +0530
From:	Ananth N Mavinakayanahalli <ananth@...ibm.com>
To:	lkml <linux-kernel@...r.kernel.org>
Cc:	oleg@...hat.com, Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	benh@...nel.crashing.org, ppcdev <linuxppc-dev@...ts.ozlabs.org>
Subject: [PATCH v2 4/4] uprobes/powerpc: remove additional trap instruction
	check

From: Ananth N Mavinakayanahalli <ananth@...ibm.com>

prepare_uprobe() already checks if the underlying unstruction
(on file) is a trap variant. We don't need to check this again.

Signed-off-by: Ananth N Mavinakayanahalli <ananth@...ibm.com>
---
 arch/powerpc/kernel/uprobes.c |    6 ------
 1 file changed, 6 deletions(-)

Index: linux-3.9-rc3/arch/powerpc/kernel/uprobes.c
===================================================================
--- linux-3.9-rc3.orig/arch/powerpc/kernel/uprobes.c
+++ linux-3.9-rc3/arch/powerpc/kernel/uprobes.c
@@ -53,12 +53,6 @@ int arch_uprobe_analyze_insn(struct arch
 	if (addr & 0x03)
 		return -EINVAL;
 
-	/*
-	 * We currently don't support a uprobe on an already
-	 * existing breakpoint instruction underneath
-	 */
-	if (is_trap(auprobe->ainsn))
-		return -ENOTSUPP;
 	return 0;
 }
 

--
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