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# setitimer __________________________________________________
#
# long sys_setitimer(int which,
# struct itimerval __user *value,
# struct itimerval __user *ovalue)
#
@define _SYSCALL_SETITIMER_NAME
%(
name = "setitimer"
%)
@define _SYSCALL_SETITIMER_ARGSTR
%(
argstr = sprintf("%s, %s, %p", which_str, value_str, ovalue_uaddr)
%)
@define _SYSCALL_SETITIMER_REGARGS
%(
which = int_arg(1)
which_str = _itimer_which_str(which)
value_uaddr = pointer_arg(2)
ovalue_uaddr = pointer_arg(3)
%)
@define _SYSCALL_SETITIMER_REGARGS_STORE
%(
if (@probewrite(which))
set_int_arg(1, which)
if (@probewrite(value_uaddr))
set_pointer_arg(2, value_uaddr)
if (@probewrite(ovalue_uaddr))
set_pointer_arg(3, ovalue_uaddr)
%)
probe syscall.setitimer = dw_syscall.setitimer !, nd_syscall.setitimer ? {}
probe syscall.setitimer.return = dw_syscall.setitimer.return !,
nd_syscall.setitimer.return ? {}
# dw_setitimer _____________________________________________________
probe dw_syscall.setitimer = kernel.function("sys_setitimer").call
{
@_SYSCALL_SETITIMER_NAME
which = __int32($which)
which_str = _itimer_which_str(which)
value_uaddr = $value
value_str = _struct_itimerval_u(value_uaddr)
ovalue_uaddr = $ovalue
@_SYSCALL_SETITIMER_ARGSTR
}
probe dw_syscall.setitimer.return = kernel.function("sys_setitimer").return
{
@_SYSCALL_SETITIMER_NAME
@SYSC_RETVALSTR($return)
}
# nd_setitimer _____________________________________________________
probe nd_syscall.setitimer = nd1_syscall.setitimer!, nd2_syscall.setitimer!, tp_syscall.setitimer
{ }
probe nd1_syscall.setitimer = kprobe.function("sys_setitimer") ?
{
@_SYSCALL_SETITIMER_NAME
asmlinkage()
@_SYSCALL_SETITIMER_REGARGS
value_str = _struct_itimerval_u(value_uaddr)
@_SYSCALL_SETITIMER_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.setitimer = kprobe.function(@arch_syscall_prefix "sys_setitimer") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_SETITIMER_NAME
@_SYSCALL_SETITIMER_REGARGS
value_str = _struct_itimerval_u(value_uaddr)
@_SYSCALL_SETITIMER_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_SETITIMER_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.setitimer = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_gate(@const("__NR_setitimer"))
@_SYSCALL_SETITIMER_NAME
@_SYSCALL_SETITIMER_REGARGS
value_str = _struct_itimerval_u(value_uaddr)
@_SYSCALL_SETITIMER_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_SETITIMER_REGARGS_STORE %)
}
probe nd_syscall.setitimer.return = nd1_syscall.setitimer.return!, nd2_syscall.setitimer.return!, tp_syscall.setitimer.return
{ }
probe nd1_syscall.setitimer.return = kprobe.function("sys_setitimer").return ?
{
@_SYSCALL_SETITIMER_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.setitimer.return = kprobe.function(@arch_syscall_prefix "sys_setitimer").return ?
{
@_SYSCALL_SETITIMER_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.setitimer.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_gate(@const("__NR_setitimer"))
@_SYSCALL_SETITIMER_NAME
@SYSC_RETVALSTR($ret)
}
# long compat_sys_setitimer(int which,
# struct compat_itimerval __user *in,
# struct compat_itimerval __user *out)
#
probe syscall.compat_setitimer = dw_syscall.compat_setitimer !,
nd_syscall.compat_setitimer ? {}
probe syscall.compat_setitimer.return = dw_syscall.compat_setitimer.return !,
nd_syscall.compat_setitimer.return ? {}
# dw_compat_setitimer _____________________________________________________
probe dw_syscall.compat_setitimer = kernel.function("compat_sys_setitimer").call ?
{
@_SYSCALL_SETITIMER_NAME
which = __int32($which)
which_str = _itimer_which_str(which)
value_uaddr = @__pointer($in)
value_str = _struct_compat_itimerval_u(value_uaddr)
ovalue_uaddr = @__pointer($out)
@_SYSCALL_SETITIMER_ARGSTR
}
probe dw_syscall.compat_setitimer.return = kernel.function("compat_sys_setitimer").return ?
{
@_SYSCALL_SETITIMER_NAME
@SYSC_RETVALSTR($return)
}
# nd_compat_setitimer _____________________________________________________
probe nd_syscall.compat_setitimer = nd1_syscall.compat_setitimer!, nd2_syscall.compat_setitimer!, tp_syscall.compat_setitimer
{ }
probe nd1_syscall.compat_setitimer = kprobe.function("compat_sys_setitimer") ?
{
@_SYSCALL_SETITIMER_NAME
asmlinkage()
@_SYSCALL_SETITIMER_REGARGS
value_str = _struct_compat_itimerval_u(value_uaddr)
@_SYSCALL_SETITIMER_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.compat_setitimer = kprobe.function(@arch_syscall_prefix "compat_sys_setitimer") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_SETITIMER_NAME
@_SYSCALL_SETITIMER_REGARGS
value_str = _struct_compat_itimerval_u(value_uaddr)
@_SYSCALL_SETITIMER_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_SETITIMER_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_setitimer = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat_setitimer"))
@_SYSCALL_SETITIMER_NAME
@_SYSCALL_SETITIMER_REGARGS
value_str = _struct_compat_itimerval_u(value_uaddr)
@_SYSCALL_SETITIMER_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_SETITIMER_REGARGS_STORE %)
}
probe nd_syscall.compat_setitimer.return = nd1_syscall.compat_setitimer.return!, nd2_syscall.compat_setitimer.return!, tp_syscall.compat_setitimer.return
{ }
probe nd1_syscall.compat_setitimer.return = kprobe.function("compat_sys_setitimer").return ?
{
@_SYSCALL_SETITIMER_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.compat_setitimer.return = kprobe.function(@arch_syscall_prefix "compat_sys_setitimer").return ?
{
@_SYSCALL_SETITIMER_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_setitimer.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat_setitimer"))
@_SYSCALL_SETITIMER_NAME
@SYSC_RETVALSTR($ret)
}
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