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# nanosleep __________________________________________________
#
# long sys_nanosleep(struct timespec __user *rqtp,
# struct timespec __user *rmtp)
# long compat_sys_nanosleep(struct compat_timespec __user *rqtp,
# struct compat_timespec __user *rmtp)
#
@define _SYSCALL_NANOSLEEP_NAME
%(
name = "nanosleep"
%)
@define _SYSCALL_NANOSLEEP_ARGSTR
%(
argstr = sprintf("%s, %p", req_str, rem_uaddr)
%)
@define _SYSCALL_NANOSLEEP_REGARGS
%(
req_uaddr = pointer_arg(1)
rem_uaddr = pointer_arg(2)
%)
@define _SYSCALL_NANOSLEEP_REGARGS_STORE
%(
if (@probewrite(req_uaddr))
set_pointer_arg(1, req_uaddr)
if (@probewrite(rem_uaddr))
set_pointer_arg(2, rem_uaddr)
%)
probe syscall.nanosleep = dw_syscall.nanosleep !, nd_syscall.nanosleep ? {}
probe syscall.nanosleep.return = dw_syscall.nanosleep.return !,
nd_syscall.nanosleep.return ? {}
probe syscall.compat_nanosleep = dw_syscall.compat_nanosleep !,
nd_syscall.compat_nanosleep ? {}
probe syscall.compat_nanosleep.return = dw_syscall.compat_nanosleep.return !,
nd_syscall.compat_nanosleep.return ? {}
# dw_nanosleep _____________________________________________________
probe dw_syscall.nanosleep = kernel.function("sys_nanosleep").call
{
@_SYSCALL_NANOSLEEP_NAME
req_uaddr = $rqtp
req_str = _struct_timespec_u(req_uaddr, 1)
rem_uaddr = $rmtp
@_SYSCALL_NANOSLEEP_ARGSTR
}
probe dw_syscall.nanosleep.return = kernel.function("sys_nanosleep").return
{
@_SYSCALL_NANOSLEEP_NAME
@SYSC_RETVALSTR($return)
}
probe dw_syscall.compat_nanosleep = kernel.function("compat_sys_nanosleep").call ?
{
@_SYSCALL_NANOSLEEP_NAME
req_uaddr = @__pointer($rqtp)
req_str = _struct_compat_timespec_u(req_uaddr, 1)
rem_uaddr = @__pointer($rmtp)
@_SYSCALL_NANOSLEEP_ARGSTR
}
probe dw_syscall.compat_nanosleep.return = kernel.function("compat_sys_nanosleep").return ?
{
@_SYSCALL_NANOSLEEP_NAME
@SYSC_RETVALSTR($return)
}
# nd_nanosleep _____________________________________________________
probe nd_syscall.nanosleep = nd1_syscall.nanosleep!, nd2_syscall.nanosleep!, tp_syscall.nanosleep
{ }
probe nd1_syscall.nanosleep = kprobe.function("sys_nanosleep").call ?
{
@_SYSCALL_NANOSLEEP_NAME
asmlinkage()
@_SYSCALL_NANOSLEEP_REGARGS
req_str = _struct_timespec_u(req_uaddr, 1)
@_SYSCALL_NANOSLEEP_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.nanosleep = kprobe.function(@arch_syscall_prefix "sys_nanosleep") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_NANOSLEEP_NAME
@_SYSCALL_NANOSLEEP_REGARGS
req_str = _struct_timespec_u(req_uaddr, 1)
@_SYSCALL_NANOSLEEP_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_NANOSLEEP_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.nanosleep = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_gate(@const("__NR_nanosleep"))
@_SYSCALL_NANOSLEEP_NAME
@_SYSCALL_NANOSLEEP_REGARGS
req_str = _struct_timespec_u(req_uaddr, 1)
@_SYSCALL_NANOSLEEP_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_NANOSLEEP_REGARGS_STORE %)
}
probe nd_syscall.nanosleep.return = nd1_syscall.nanosleep.return!, nd2_syscall.nanosleep.return!, tp_syscall.nanosleep.return
{ }
probe nd1_syscall.nanosleep.return = kprobe.function("sys_nanosleep").return ?
{
@_SYSCALL_NANOSLEEP_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.nanosleep.return = kprobe.function(@arch_syscall_prefix "sys_nanosleep").return ?
{
@_SYSCALL_NANOSLEEP_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.nanosleep.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_gate(@const("__NR_nanosleep"))
@_SYSCALL_NANOSLEEP_NAME
@SYSC_RETVALSTR($ret) /* NB: not in the $regs */
}
probe nd_syscall.compat_nanosleep = nd1_syscall.compat_nanosleep!, nd2_syscall.compat_nanosleep!, tp_syscall.compat_nanosleep
{ }
probe nd1_syscall.compat_nanosleep = kprobe.function("compat_sys_nanosleep") ?
{
@_SYSCALL_NANOSLEEP_NAME
asmlinkage()
@_SYSCALL_NANOSLEEP_REGARGS
req_str = _struct_compat_timespec_u(req_uaddr, 1)
@_SYSCALL_NANOSLEEP_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.compat_nanosleep = kprobe.function(@arch_syscall_prefix "compat_sys_nanosleep") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_NANOSLEEP_NAME
@_SYSCALL_NANOSLEEP_REGARGS
req_str = _struct_compat_timespec_u(req_uaddr, 1)
@_SYSCALL_NANOSLEEP_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_NANOSLEEP_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_nanosleep = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat_nanosleep"))
@_SYSCALL_NANOSLEEP_NAME
@_SYSCALL_NANOSLEEP_REGARGS
req_str = _struct_compat_timespec_u(req_uaddr, 1)
@_SYSCALL_NANOSLEEP_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_NANOSLEEP_REGARGS_STORE %)
}
probe nd_syscall.compat_nanosleep.return = nd1_syscall.compat_nanosleep.return!, nd2_syscall.compat_nanosleep.return!, tp_syscall.compat_nanosleep.return
{ }
probe nd1_syscall.compat_nanosleep.return = kprobe.function("compat_sys_nanosleep").return ?
{
@_SYSCALL_NANOSLEEP_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.compat_nanosleep.return = kprobe.function(@arch_syscall_prefix "compat_sys_nanosleep").return ?
{
@_SYSCALL_NANOSLEEP_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_nanosleep.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat_nanosleep"))
@_SYSCALL_NANOSLEEP_NAME
@SYSC_RETVALSTR($ret)
}
|
