linux-kernel - [PATCH] arm64: fix /proc/cpuinfo for elf32

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-next>] [day] [month] [year] [list]

Date:	Mon, 25 Apr 2016 11:37:33 +0800
From:	Zeng Tao <prime.zeng@...wei.com>
To:	<catalin.marinas@....com>, <will.deacon@....com>
CC:	<suzuki.poulose@....com>, <james.morse@....com>,
	<mark.rutland@....com>, <yang.shi@...aro.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH] arm64: fix /proc/cpuinfo for elf32

For elf32 thread, personality is used for arm32,
and thread_flag for arm64.

Here personality is used for arm64, so fix it.

Signed-off-by: Zeng Tao <prime.zeng@...wei.com>
---
 arch/arm64/kernel/cpuinfo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c
index 84c8684..f739398 100644
--- a/arch/arm64/kernel/cpuinfo.c
+++ b/arch/arm64/kernel/cpuinfo.c
@@ -126,7 +126,7 @@ static int c_show(struct seq_file *m, void *v)
 		 * software which does already (at least for 32-bit).
 		 */
 		seq_puts(m, "Features\t:");
-		if (personality(current->personality) == PER_LINUX32) {
+		if (test_thread_flag(TIF_32BIT)) {
 #ifdef CONFIG_COMPAT
 			for (j = 0; compat_hwcap_str[j]; j++)
 				if (compat_elf_hwcap & (1 << j))
-- 
1.9.1