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Diffstat (limited to 'arch/mips/kernel/ptrace.c')
-rw-r--r--arch/mips/kernel/ptrace.c38
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
304static 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 */
308asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit) 327asmlinkage 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}