diff options
Diffstat (limited to 'arch/mips/kernel/ptrace.c')
-rw-r--r-- | arch/mips/kernel/ptrace.c | 38 |
1 files changed, 28 insertions, 10 deletions
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index a2f899c2f4d4..92e70ca3bff9 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c | |||
@@ -301,25 +301,38 @@ out: | |||
301 | return ret; | 301 | return ret; |
302 | } | 302 | } |
303 | 303 | ||
304 | static inline int audit_arch(void) | ||
305 | { | ||
306 | #ifdef CONFIG_CPU_LITTLE_ENDIAN | ||
307 | #ifdef CONFIG_MIPS64 | ||
308 | if (!(current->thread.mflags & MF_32BIT_REGS)) | ||
309 | return AUDIT_ARCH_MIPSEL64; | ||
310 | #endif /* MIPS64 */ | ||
311 | return AUDIT_ARCH_MIPSEL; | ||
312 | |||
313 | #else /* big endian... */ | ||
314 | #ifdef CONFIG_MIPS64 | ||
315 | if (!(current->thread.mflags & MF_32BIT_REGS)) | ||
316 | return AUDIT_ARCH_MIPS64; | ||
317 | #endif /* MIPS64 */ | ||
318 | return AUDIT_ARCH_MIPS; | ||
319 | |||
320 | #endif /* endian */ | ||
321 | } | ||
322 | |||
304 | /* | 323 | /* |
305 | * Notification of system call entry/exit | 324 | * Notification of system call entry/exit |
306 | * - triggered by current->work.syscall_trace | 325 | * - triggered by current->work.syscall_trace |
307 | */ | 326 | */ |
308 | asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit) | 327 | asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit) |
309 | { | 328 | { |
310 | if (unlikely(current->audit_context)) { | 329 | if (unlikely(current->audit_context) && entryexit) |
311 | if (!entryexit) | 330 | audit_syscall_exit(current, AUDITSC_RESULT(regs->regs[2]), regs->regs[2]); |
312 | audit_syscall_entry(current, regs->regs[2], | ||
313 | regs->regs[4], regs->regs[5], | ||
314 | regs->regs[6], regs->regs[7]); | ||
315 | else | ||
316 | audit_syscall_exit(current, regs->regs[2]); | ||
317 | } | ||
318 | 331 | ||
319 | if (!test_thread_flag(TIF_SYSCALL_TRACE)) | 332 | if (!test_thread_flag(TIF_SYSCALL_TRACE)) |
320 | return; | 333 | goto out; |
321 | if (!(current->ptrace & PT_PTRACED)) | 334 | if (!(current->ptrace & PT_PTRACED)) |
322 | return; | 335 | goto out; |
323 | 336 | ||
324 | /* The 0x80 provides a way for the tracing parent to distinguish | 337 | /* The 0x80 provides a way for the tracing parent to distinguish |
325 | between a syscall stop and SIGTRAP delivery */ | 338 | between a syscall stop and SIGTRAP delivery */ |
@@ -335,4 +348,9 @@ asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit) | |||
335 | send_sig(current->exit_code, current, 1); | 348 | send_sig(current->exit_code, current, 1); |
336 | current->exit_code = 0; | 349 | current->exit_code = 0; |
337 | } | 350 | } |
351 | out: | ||
352 | if (unlikely(current->audit_context) && !entryexit) | ||
353 | audit_syscall_entry(current, audit_arch(), regs->regs[2], | ||
354 | regs->regs[4], regs->regs[5], | ||
355 | regs->regs[6], regs->regs[7]); | ||
338 | } | 356 | } |