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authorAndy Lutomirski <luto@amacapital.net>2014-09-05 15:13:52 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-11-21 09:22:52 -0800
commit89b27dc7ce6465ca4cec9603b7d5fcdc678f30f9 (patch)
tree95416ce96e35aa6714bdf9c3612e29f5ded665ff /arch
parent96920746658f98dbdaccc90ab818443471accc89 (diff)
x86, x32, audit: Fix x32's AUDIT_ARCH wrt audit
commit 81f49a8fd7088cfcb588d182eeede862c0e3303e upstream. is_compat_task() is the wrong check for audit arch; the check should be is_ia32_task(): x32 syscalls should be AUDIT_ARCH_X86_64, not AUDIT_ARCH_I386. CONFIG_AUDITSYSCALL is currently incompatible with x32, so this has no visible effect. Signed-off-by: Andy Lutomirski <luto@amacapital.net> Link: http://lkml.kernel.org/r/a0138ed8c709882aec06e4acc30bfa9b623b8717.1409954077.git.luto@amacapital.net Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/ptrace.c11
1 files changed, 1 insertions, 10 deletions
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 29a8120e6fe8..baa61e7370b7 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -1475,15 +1475,6 @@ void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs,
force_sig_info(SIGTRAP, &info, tsk);
}
-
-#ifdef CONFIG_X86_32
-# define IS_IA32 1
-#elif defined CONFIG_IA32_EMULATION
-# define IS_IA32 is_compat_task()
-#else
-# define IS_IA32 0
-#endif
-
/*
* We must return the syscall number to actually look up in the table.
* This can be -1L to skip running any syscall at all.
@@ -1521,7 +1512,7 @@ long syscall_trace_enter(struct pt_regs *regs)
if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
trace_sys_enter(regs, regs->orig_ax);
- if (IS_IA32)
+ if (is_ia32_task())
audit_syscall_entry(AUDIT_ARCH_I386,
regs->orig_ax,
regs->bx, regs->cx,