diff options
-rw-r--r-- | arch/sh/kernel/entry-common.S | 8 | ||||
-rw-r--r-- | arch/sh/kernel/ptrace_32.c | 21 | ||||
-rw-r--r-- | include/asm-sh/thread_info.h | 2 | ||||
-rw-r--r-- | init/Kconfig | 2 |
4 files changed, 26 insertions, 7 deletions
diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S index e0317ed080c3..397ac71d97f1 100644 --- a/arch/sh/kernel/entry-common.S +++ b/arch/sh/kernel/entry-common.S | |||
@@ -224,7 +224,7 @@ work_resched: | |||
224 | syscall_exit_work: | 224 | syscall_exit_work: |
225 | ! r0: current_thread_info->flags | 225 | ! r0: current_thread_info->flags |
226 | ! r8: current_thread_info | 226 | ! r8: current_thread_info |
227 | tst #_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP, r0 | 227 | tst #_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | _TIF_SYSCALL_AUDIT, r0 |
228 | bt/s work_pending | 228 | bt/s work_pending |
229 | tst #_TIF_NEED_RESCHED, r0 | 229 | tst #_TIF_NEED_RESCHED, r0 |
230 | #ifdef CONFIG_TRACE_IRQFLAGS | 230 | #ifdef CONFIG_TRACE_IRQFLAGS |
@@ -234,6 +234,8 @@ syscall_exit_work: | |||
234 | #endif | 234 | #endif |
235 | sti | 235 | sti |
236 | ! XXX setup arguments... | 236 | ! XXX setup arguments... |
237 | mov r15, r4 | ||
238 | mov #1, r5 | ||
237 | mov.l 4f, r0 ! do_syscall_trace | 239 | mov.l 4f, r0 ! do_syscall_trace |
238 | jsr @r0 | 240 | jsr @r0 |
239 | nop | 241 | nop |
@@ -244,6 +246,8 @@ syscall_exit_work: | |||
244 | syscall_trace_entry: | 246 | syscall_trace_entry: |
245 | ! Yes it is traced. | 247 | ! Yes it is traced. |
246 | ! XXX setup arguments... | 248 | ! XXX setup arguments... |
249 | mov r15, r4 | ||
250 | mov #0, r5 | ||
247 | mov.l 4f, r11 ! Call do_syscall_trace which notifies | 251 | mov.l 4f, r11 ! Call do_syscall_trace which notifies |
248 | jsr @r11 ! superior (will chomp R[0-7]) | 252 | jsr @r11 ! superior (will chomp R[0-7]) |
249 | nop | 253 | nop |
@@ -366,7 +370,7 @@ ENTRY(system_call) | |||
366 | ! | 370 | ! |
367 | get_current_thread_info r8, r10 | 371 | get_current_thread_info r8, r10 |
368 | mov.l @(TI_FLAGS,r8), r8 | 372 | mov.l @(TI_FLAGS,r8), r8 |
369 | mov #_TIF_SYSCALL_TRACE, r10 | 373 | mov #(_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT), r10 |
370 | tst r10, r8 | 374 | tst r10, r8 |
371 | bf syscall_trace_entry | 375 | bf syscall_trace_entry |
372 | ! | 376 | ! |
diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c index ac725f0aeb72..ce0664a58b49 100644 --- a/arch/sh/kernel/ptrace_32.c +++ b/arch/sh/kernel/ptrace_32.c | |||
@@ -6,7 +6,7 @@ | |||
6 | * edited by Linus Torvalds | 6 | * edited by Linus Torvalds |
7 | * | 7 | * |
8 | * SuperH version: Copyright (C) 1999, 2000 Kaz Kojima & Niibe Yutaka | 8 | * SuperH version: Copyright (C) 1999, 2000 Kaz Kojima & Niibe Yutaka |
9 | * | 9 | * Audit support: Yuichi Nakamura <ynakam@hitachisoft.jp> |
10 | */ | 10 | */ |
11 | #include <linux/kernel.h> | 11 | #include <linux/kernel.h> |
12 | #include <linux/sched.h> | 12 | #include <linux/sched.h> |
@@ -19,6 +19,7 @@ | |||
19 | #include <linux/security.h> | 19 | #include <linux/security.h> |
20 | #include <linux/signal.h> | 20 | #include <linux/signal.h> |
21 | #include <linux/io.h> | 21 | #include <linux/io.h> |
22 | #include <linux/audit.h> | ||
22 | #include <asm/uaccess.h> | 23 | #include <asm/uaccess.h> |
23 | #include <asm/pgtable.h> | 24 | #include <asm/pgtable.h> |
24 | #include <asm/system.h> | 25 | #include <asm/system.h> |
@@ -248,15 +249,20 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) | |||
248 | return ret; | 249 | return ret; |
249 | } | 250 | } |
250 | 251 | ||
251 | asmlinkage void do_syscall_trace(void) | 252 | asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit) |
252 | { | 253 | { |
253 | struct task_struct *tsk = current; | 254 | struct task_struct *tsk = current; |
254 | 255 | ||
256 | if (unlikely(current->audit_context) && entryexit) | ||
257 | audit_syscall_exit(AUDITSC_RESULT(regs->regs[0]), | ||
258 | regs->regs[0]); | ||
259 | |||
255 | if (!test_thread_flag(TIF_SYSCALL_TRACE) && | 260 | if (!test_thread_flag(TIF_SYSCALL_TRACE) && |
256 | !test_thread_flag(TIF_SINGLESTEP)) | 261 | !test_thread_flag(TIF_SINGLESTEP)) |
257 | return; | 262 | goto out; |
258 | if (!(tsk->ptrace & PT_PTRACED)) | 263 | if (!(tsk->ptrace & PT_PTRACED)) |
259 | return; | 264 | goto out; |
265 | |||
260 | /* the 0x80 provides a way for the tracing parent to distinguish | 266 | /* the 0x80 provides a way for the tracing parent to distinguish |
261 | between a syscall stop and SIGTRAP delivery */ | 267 | between a syscall stop and SIGTRAP delivery */ |
262 | ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) && | 268 | ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) && |
@@ -271,4 +277,11 @@ asmlinkage void do_syscall_trace(void) | |||
271 | send_sig(tsk->exit_code, tsk, 1); | 277 | send_sig(tsk->exit_code, tsk, 1); |
272 | tsk->exit_code = 0; | 278 | tsk->exit_code = 0; |
273 | } | 279 | } |
280 | |||
281 | out: | ||
282 | if (unlikely(current->audit_context) && !entryexit) | ||
283 | audit_syscall_entry(AUDIT_ARCH_SH, regs->regs[3], | ||
284 | regs->regs[4], regs->regs[5], | ||
285 | regs->regs[6], regs->regs[7]); | ||
286 | |||
274 | } | 287 | } |
diff --git a/include/asm-sh/thread_info.h b/include/asm-sh/thread_info.h index d49ee9d868e5..c6577d3dc46d 100644 --- a/include/asm-sh/thread_info.h +++ b/include/asm-sh/thread_info.h | |||
@@ -113,6 +113,7 @@ static inline struct thread_info *current_thread_info(void) | |||
113 | #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ | 113 | #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ |
114 | #define TIF_RESTORE_SIGMASK 3 /* restore signal mask in do_signal() */ | 114 | #define TIF_RESTORE_SIGMASK 3 /* restore signal mask in do_signal() */ |
115 | #define TIF_SINGLESTEP 4 /* singlestepping active */ | 115 | #define TIF_SINGLESTEP 4 /* singlestepping active */ |
116 | #define TIF_SYSCALL_AUDIT 5 | ||
116 | #define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */ | 117 | #define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */ |
117 | #define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling TIF_NEED_RESCHED */ | 118 | #define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling TIF_NEED_RESCHED */ |
118 | #define TIF_MEMDIE 18 | 119 | #define TIF_MEMDIE 18 |
@@ -123,6 +124,7 @@ static inline struct thread_info *current_thread_info(void) | |||
123 | #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) | 124 | #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) |
124 | #define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) | 125 | #define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) |
125 | #define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) | 126 | #define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) |
127 | #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) | ||
126 | #define _TIF_USEDFPU (1<<TIF_USEDFPU) | 128 | #define _TIF_USEDFPU (1<<TIF_USEDFPU) |
127 | #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) | 129 | #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) |
128 | #define _TIF_FREEZE (1<<TIF_FREEZE) | 130 | #define _TIF_FREEZE (1<<TIF_FREEZE) |
diff --git a/init/Kconfig b/init/Kconfig index 0eda68f0ad54..288444b4cd8a 100644 --- a/init/Kconfig +++ b/init/Kconfig | |||
@@ -238,7 +238,7 @@ config AUDIT | |||
238 | 238 | ||
239 | config AUDITSYSCALL | 239 | config AUDITSYSCALL |
240 | bool "Enable system-call auditing support" | 240 | bool "Enable system-call auditing support" |
241 | depends on AUDIT && (X86 || PPC || PPC64 || S390 || IA64 || UML || SPARC64) | 241 | depends on AUDIT && (X86 || PPC || PPC64 || S390 || IA64 || UML || SPARC64|| SUPERH) |
242 | default y if SECURITY_SELINUX | 242 | default y if SECURITY_SELINUX |
243 | help | 243 | help |
244 | Enable low-overhead system-call auditing infrastructure that | 244 | Enable low-overhead system-call auditing infrastructure that |