x86/elf/64: Clear more registers in elf_common_init()
authorAndy Lutomirski <luto@kernel.org>
Tue, 6 Oct 2015 00:48:00 +0000 (17:48 -0700)
committerIngo Molnar <mingo@kernel.org>
Fri, 9 Oct 2015 07:41:06 +0000 (09:41 +0200)
commit7bcdea4d050cbe4912854a68b93494203eec8b24
treed04abd3bc7551d45864ccd0419740749119879d2
parent29c0ce9508458ed31a9db2ed425f64c0d6d3ddfb
x86/elf/64: Clear more registers in elf_common_init()

Before we start calling execve in contexts that honor the full
pt_regs, we need to teach it to initialize all registers.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/r/65a38a9edee61a1158cfd230800c61dbd963dac5.1444091584.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/include/asm/elf.h