Note: this bug was taken from Commit-ID: 26c2d2b39128adba276d140eefa2745591b88536 and corrected for white space differences between the RHEL-7.1 3.10.0-229 upstream kernel. --- diff -uNrp a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S --- a/arch/x86/kernel/entry_32.S 2015-05-17 07:39:14.371778177 -0500 +++ b/arch/x86/kernel/entry_32.S 2015-05-17 07:36:13.654610869 -0500 @@ -457,15 +457,14 @@ sysenter_exit: sysenter_audit: testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%ebp) jnz syscall_trace_entry - addl $4,%esp - CFI_ADJUST_CFA_OFFSET -4 - movl %esi,4(%esp) /* 5th arg: 4th syscall arg */ - movl %edx,(%esp) /* 4th arg: 3rd syscall arg */ - /* %ecx already in %ecx 3rd arg: 2nd syscall arg */ - movl %ebx,%edx /* 2nd arg: 1st syscall arg */ - /* %eax already in %eax 1st arg: syscall number */ + /* movl PT_EAX(%esp), %eax already set, syscall number: 1st arg to audit */ + movl PT_EBX(%esp), %edx /* ebx/a0: 2nd arg to audit */ + /* movl PT_ECX(%esp), %ecx already set, a1: 3nd arg to audit */ + pushl_cfi PT_ESI(%esp) /* a3: 5th arg */ + pushl_cfi PT_EDX+4(%esp) /* a2: 4th arg */ call __audit_syscall_entry - pushl_cfi %ebx + popl_cfi %ecx /* get that remapped edx off the stack */ + popl_cfi %ecx /* get that remapped esi off the stack */ movl PT_EAX(%esp),%eax /* reload syscall number */ jmp sysenter_do_call ---