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Message-Id: <9f2b0caedfee3018ab84d8bbe6e691bb40519d94.1393974970.git.rgb@redhat.com>
Date: Wed, 5 Mar 2014 16:27:05 -0500
From: Richard Guy Briggs <rgb@...hat.com>
To: linux-audit@...hat.com, linux-kernel@...r.kernel.org
Cc: Richard Guy Briggs <rgb@...hat.com>, eparis@...hat.com,
sgrubb@...hat.com, oleg@...hat.com,
linux-arm-kernel@...ts.infradead.org, x86@...nel.org,
linux-ia64@...r.kernel.org, microblaze-uclinux@...e.uq.edu.au,
linux-mips@...ux-mips.org, linux@...nrisc.net,
linux-parisc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
linux-s390@...r.kernel.org, linux-sh@...r.kernel.org,
sparclinux@...r.kernel.org,
user-mode-linux-devel@...ts.sourceforge.net,
linux-arch@...r.kernel.org
Subject: [PATCH 4/6][RFC] audit: drop arch from audit_syscall_entry() interface
Make audit_syscall_entry() ignore the arch parameter passed to it and call
syscall_get_arch() locally.
Remove arch from the audit_syscall_entry() parameter list.
Signed-off-by: Richard Guy Briggs <rgb@...hat.com>
---
arch/arm/kernel/ptrace.c | 2 +-
arch/ia64/kernel/ptrace.c | 2 +-
arch/microblaze/kernel/ptrace.c | 2 +-
arch/mips/kernel/ptrace.c | 3 +--
arch/openrisc/kernel/ptrace.c | 2 +-
arch/parisc/kernel/ptrace.c | 5 ++---
arch/powerpc/kernel/ptrace.c | 6 ++----
arch/s390/kernel/ptrace.c | 4 +---
arch/sh/kernel/ptrace_32.c | 13 +------------
arch/sh/kernel/ptrace_64.c | 16 +---------------
arch/sparc/kernel/ptrace_64.c | 5 +----
arch/um/kernel/ptrace.c | 3 +--
arch/x86/kernel/ptrace.c | 6 ++----
arch/xtensa/kernel/ptrace.c | 2 +-
include/linux/audit.h | 8 +++++---
15 files changed, 22 insertions(+), 57 deletions(-)
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index 0dd3b79..24664f5 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -943,7 +943,7 @@ asmlinkage int syscall_trace_enter(struct pt_regs *regs, int scno)
if (test_thread_flag(TIF_SYSCALL_TRACEPOINT))
trace_sys_enter(regs, scno);
- audit_syscall_entry(AUDIT_ARCH_ARM, scno, regs->ARM_r0, regs->ARM_r1,
+ audit_syscall_entry(scno, regs->ARM_r0, regs->ARM_r1,
regs->ARM_r2, regs->ARM_r3);
return scno;
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index b7a5fff..6f54d51 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -1219,7 +1219,7 @@ syscall_trace_enter (long arg0, long arg1, long arg2, long arg3,
ia64_sync_krbs();
- audit_syscall_entry(AUDIT_ARCH_IA64, regs.r15, arg0, arg1, arg2, arg3);
+ audit_syscall_entry(regs.r15, arg0, arg1, arg2, arg3);
return 0;
}
diff --git a/arch/microblaze/kernel/ptrace.c b/arch/microblaze/kernel/ptrace.c
index 39cf508..0abbb2e 100644
--- a/arch/microblaze/kernel/ptrace.c
+++ b/arch/microblaze/kernel/ptrace.c
@@ -147,7 +147,7 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
*/
ret = -1L;
- audit_syscall_entry(EM_MICROBLAZE, regs->r12, regs->r5, regs->r6,
+ audit_syscall_entry(regs->r12, regs->r5, regs->r6,
regs->r7, regs->r8);
return ret ?: regs->r12;
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index b52e1d2..f68d75f 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -671,8 +671,7 @@ asmlinkage void syscall_trace_enter(struct pt_regs *regs)
if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
trace_sys_enter(regs, regs->regs[2]);
- audit_syscall_entry(__syscall_get_arch(),
- regs->regs[2],
+ audit_syscall_entry(regs->regs[2],
regs->regs[4], regs->regs[5],
regs->regs[6], regs->regs[7]);
}
diff --git a/arch/openrisc/kernel/ptrace.c b/arch/openrisc/kernel/ptrace.c
index 71a2a0c..c19cd19 100644
--- a/arch/openrisc/kernel/ptrace.c
+++ b/arch/openrisc/kernel/ptrace.c
@@ -187,7 +187,7 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
*/
ret = -1L;
- audit_syscall_entry(AUDIT_ARCH_OPENRISC, regs->gpr[11],
+ audit_syscall_entry(regs->gpr[11],
regs->gpr[3], regs->gpr[4],
regs->gpr[5], regs->gpr[6]);
diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index e842ee2..b2f84e2 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -276,13 +276,12 @@ long do_syscall_trace_enter(struct pt_regs *regs)
#ifdef CONFIG_64BIT
if (!is_compat_task())
- audit_syscall_entry(AUDIT_ARCH_PARISC64,
- regs->gr[20],
+ audit_syscall_entry(regs->gr[20],
regs->gr[26], regs->gr[25],
regs->gr[24], regs->gr[23]);
else
#endif
- audit_syscall_entry(AUDIT_ARCH_PARISC,
+ audit_syscall_entry(
regs->gr[20] & 0xffffffff,
regs->gr[26] & 0xffffffff,
regs->gr[25] & 0xffffffff,
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index 2e3d2bf..cabc1ca 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -1788,14 +1788,12 @@ long do_syscall_trace_enter(struct pt_regs *regs)
#ifdef CONFIG_PPC64
if (!is_32bit_task())
- audit_syscall_entry(AUDIT_ARCH_PPC64,
- regs->gpr[0],
+ audit_syscall_entry(regs->gpr[0],
regs->gpr[3], regs->gpr[4],
regs->gpr[5], regs->gpr[6]);
else
#endif
- audit_syscall_entry(AUDIT_ARCH_PPC,
- regs->gpr[0],
+ audit_syscall_entry(regs->gpr[0],
regs->gpr[3] & 0xffffffff,
regs->gpr[4] & 0xffffffff,
regs->gpr[5] & 0xffffffff,
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index e65c91c..2e2e7bb 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -812,9 +812,7 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
trace_sys_enter(regs, regs->gprs[2]);
- audit_syscall_entry(is_compat_task() ?
- AUDIT_ARCH_S390 : AUDIT_ARCH_S390X,
- regs->gprs[2], regs->orig_gpr2,
+ audit_syscall_entry(regs->gprs[2], regs->orig_gpr2,
regs->gprs[3], regs->gprs[4],
regs->gprs[5]);
out:
diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c
index 668c816..313fb5a 100644
--- a/arch/sh/kernel/ptrace_32.c
+++ b/arch/sh/kernel/ptrace_32.c
@@ -484,17 +484,6 @@ long arch_ptrace(struct task_struct *child, long request,
return ret;
}
-static inline int audit_arch(void)
-{
- int arch = EM_SH;
-
-#ifdef CONFIG_CPU_LITTLE_ENDIAN
- arch |= __AUDIT_ARCH_LE;
-#endif
-
- return arch;
-}
-
asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
{
long ret = 0;
@@ -513,7 +502,7 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
trace_sys_enter(regs, regs->regs[0]);
- audit_syscall_entry(audit_arch(), regs->regs[3],
+ audit_syscall_entry(regs->regs[3],
regs->regs[4], regs->regs[5],
regs->regs[6], regs->regs[7]);
diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c
index af90339..0c58711 100644
--- a/arch/sh/kernel/ptrace_64.c
+++ b/arch/sh/kernel/ptrace_64.c
@@ -504,20 +504,6 @@ asmlinkage int sh64_ptrace(long request, long pid,
return sys_ptrace(request, pid, addr, data);
}
-static inline int audit_arch(void)
-{
- int arch = EM_SH;
-
-#ifdef CONFIG_64BIT
- arch |= __AUDIT_ARCH_64BIT;
-#endif
-#ifdef CONFIG_CPU_LITTLE_ENDIAN
- arch |= __AUDIT_ARCH_LE;
-#endif
-
- return arch;
-}
-
asmlinkage long long do_syscall_trace_enter(struct pt_regs *regs)
{
long long ret = 0;
@@ -536,7 +522,7 @@ asmlinkage long long do_syscall_trace_enter(struct pt_regs *regs)
if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
trace_sys_enter(regs, regs->regs[9]);
- audit_syscall_entry(audit_arch(), regs->regs[1],
+ audit_syscall_entry(regs->regs[1],
regs->regs[2], regs->regs[3],
regs->regs[4], regs->regs[5]);
diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c
index c13c9f2..915d35d 100644
--- a/arch/sparc/kernel/ptrace_64.c
+++ b/arch/sparc/kernel/ptrace_64.c
@@ -1076,10 +1076,7 @@ asmlinkage int syscall_trace_enter(struct pt_regs *regs)
if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
trace_sys_enter(regs, regs->u_regs[UREG_G1]);
- audit_syscall_entry((test_thread_flag(TIF_32BIT) ?
- AUDIT_ARCH_SPARC :
- AUDIT_ARCH_SPARC64),
- regs->u_regs[UREG_G1],
+ audit_syscall_entry(regs->u_regs[UREG_G1],
regs->u_regs[UREG_I0],
regs->u_regs[UREG_I1],
regs->u_regs[UREG_I2],
diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c
index 694d551..62435ef 100644
--- a/arch/um/kernel/ptrace.c
+++ b/arch/um/kernel/ptrace.c
@@ -165,8 +165,7 @@ static void send_sigtrap(struct task_struct *tsk, struct uml_pt_regs *regs,
*/
void syscall_trace_enter(struct pt_regs *regs)
{
- audit_syscall_entry(HOST_AUDIT_ARCH,
- UPT_SYSCALL_NR(®s->regs),
+ audit_syscall_entry(UPT_SYSCALL_NR(®s->regs),
UPT_SYSCALL_ARG1(®s->regs),
UPT_SYSCALL_ARG2(®s->regs),
UPT_SYSCALL_ARG3(®s->regs),
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 7461f50..7499611 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -1488,14 +1488,12 @@ long syscall_trace_enter(struct pt_regs *regs)
trace_sys_enter(regs, regs->orig_ax);
if (IS_IA32)
- audit_syscall_entry(AUDIT_ARCH_I386,
- regs->orig_ax,
+ audit_syscall_entry(regs->orig_ax,
regs->bx, regs->cx,
regs->dx, regs->si);
#ifdef CONFIG_X86_64
else
- audit_syscall_entry(AUDIT_ARCH_X86_64,
- regs->orig_ax,
+ audit_syscall_entry(regs->orig_ax,
regs->di, regs->si,
regs->dx, regs->r10);
#endif
diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c
index 562fac6..4d54b48 100644
--- a/arch/xtensa/kernel/ptrace.c
+++ b/arch/xtensa/kernel/ptrace.c
@@ -342,7 +342,7 @@ void do_syscall_trace_enter(struct pt_regs *regs)
do_syscall_trace();
#if 0
- audit_syscall_entry(current, AUDIT_ARCH_XTENSA..);
+ audit_syscall_entry(...);
#endif
}
diff --git a/include/linux/audit.h b/include/linux/audit.h
index aa865a9..0e63eb1 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -27,6 +27,8 @@
#include <linux/ptrace.h>
#include <uapi/linux/audit.h>
+#include <asm/syscall.h>
+
struct audit_sig_info {
uid_t uid;
pid_t pid;
@@ -126,12 +128,12 @@ static inline void audit_free(struct task_struct *task)
if (unlikely(task->audit_context))
__audit_free(task);
}
-static inline void audit_syscall_entry(int arch, int major, unsigned long a0,
+static inline void audit_syscall_entry(int major, unsigned long a0,
unsigned long a1, unsigned long a2,
unsigned long a3)
{
if (unlikely(current->audit_context))
- __audit_syscall_entry(arch, major, a0, a1, a2, a3);
+ __audit_syscall_entry(syscall_get_arch(current, NULL), major, a0, a1, a2, a3);
}
static inline void audit_syscall_exit(void *pt_regs)
{
@@ -307,7 +309,7 @@ static inline int audit_alloc(struct task_struct *task)
}
static inline void audit_free(struct task_struct *task)
{ }
-static inline void audit_syscall_entry(int arch, int major, unsigned long a0,
+static inline void audit_syscall_entry(int major, unsigned long a0,
unsigned long a1, unsigned long a2,
unsigned long a3)
{ }
--
1.7.1
--
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