| 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
| ||
|
Date: Fri, 17 Oct 2008 21:15:53 +0800 From: Jike Song <albcamus@...il.com> To: hpa@...or.com Cc: linux-kernel@...r.kernel.org, Jike Song <albcamus@...il.com> Subject: [PATCH] x86: add missed clobber for 32-bit memmove memmove() is implemented by inline assembly. It calls std at first and cld at last, but EFLAGS still should be clobbered. Signed-off-by: Jike Song <albcamus@...il.com> --- arch/x86/lib/memcpy_32.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/lib/memcpy_32.c b/arch/x86/lib/memcpy_32.c index 5415a9d..99a8240 100644 --- a/arch/x86/lib/memcpy_32.c +++ b/arch/x86/lib/memcpy_32.c @@ -36,7 +36,7 @@ void *memmove(void *dest, const void *src, size_t n) :"0" (n), "1" (n-1+src), "2" (n-1+dest) - :"memory"); + :"cc", "memory"); } return dest; } -- 1.6.0.1 -- 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