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# ioperm _____________________________________________________
# long sys_ioperm(unsigned long from, unsigned long num, int turn_on)
#
@define _SYSCALL_IOPERM_NAME
%(
name = "ioperm"
%)
@define _SYSCALL_IOPERM_ARGSTR
%(
argstr = sprintf("%#x, %#x, %#x", from, num, turn_on)
%)
@define _SYSCALL_IOPERM_REGARGS
%(
from = ulong_arg(1)
num = ulong_arg(2)
turn_on = uint_arg(3)
%)
@define _SYSCALL_IOPERM_REGARGS_STORE
%(
if (@probewrite(from))
set_ulong_arg(1, from)
if (@probewrite(num))
set_ulong_arg(2, num)
if (@probewrite(turn_on))
set_uint_arg(3, turn_on)
%)
probe syscall.ioperm = dw_syscall.ioperm !, nd_syscall.ioperm ? {}
probe syscall.ioperm.return = dw_syscall.ioperm.return !, nd_syscall.ioperm.return ? {}
# dw_ioperm _____________________________________________________
probe dw_syscall.ioperm = kernel.function("sys_ioperm").call ?
{
@_SYSCALL_IOPERM_NAME
from = __ulong($from)
num = __ulong($num)
turn_on = __uint32($turn_on)
@_SYSCALL_IOPERM_ARGSTR
}
probe dw_syscall.ioperm.return = kernel.function("sys_ioperm").return ?
{
@_SYSCALL_IOPERM_NAME
@SYSC_RETVALSTR($return)
}
# nd_ioperm _____________________________________________________
probe nd_syscall.ioperm = nd1_syscall.ioperm!, nd2_syscall.ioperm!, tp_syscall.ioperm
{ }
probe nd1_syscall.ioperm = kprobe.function("sys_ioperm") ?
{
@_SYSCALL_IOPERM_NAME
asmlinkage()
@_SYSCALL_IOPERM_REGARGS
@_SYSCALL_IOPERM_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.ioperm = kprobe.function(@arch_syscall_prefix "sys_ioperm") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_IOPERM_NAME
@_SYSCALL_IOPERM_REGARGS
@_SYSCALL_IOPERM_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_IOPERM_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.ioperm = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_ioperm"), @const("__NR_compat_ioperm"))
@_SYSCALL_IOPERM_NAME
@_SYSCALL_IOPERM_REGARGS
@_SYSCALL_IOPERM_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_IOPERM_REGARGS_STORE %)
}
probe nd_syscall.ioperm.return = nd1_syscall.ioperm.return!, nd2_syscall.ioperm.return!, tp_syscall.ioperm.return
{ }
probe nd1_syscall.ioperm.return = kprobe.function("sys_ioperm").return ?
{
@_SYSCALL_IOPERM_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.ioperm.return = kprobe.function(@arch_syscall_prefix "sys_ioperm").return ?
{
@_SYSCALL_IOPERM_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.ioperm.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_ioperm"), @const("__NR_compat_ioperm"))
@_SYSCALL_IOPERM_NAME
@SYSC_RETVALSTR($ret)
}
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