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# set_robust_list ____________________________________________
# SYSCALL_DEFINE2(set_robust_list, struct robust_list_head __user *, head,
# size_t, len)
# COMPAT_SYSCALL_DEFINE2(set_robust_list,
# struct compat_robust_list_head __user *, head,
# compat_size_t, len)
@define _SYSCALL_SET_ROBUST_LIST_NAME
%(
name = "set_robust_list"
%)
@define _SYSCALL_SET_ROBUST_LIST_ARGSTR
%(
argstr = sprintf("%p, %u", list_head_uaddr, len)
%)
@define _SYSCALL_SET_ROBUST_LIST_REGARGS
%(
list_head_uaddr = pointer_arg(1)
len = ulong_arg(2)
%)
@define _SYSCALL_SET_ROBUST_LIST_REGARGS_STORE
%(
if (@probewrite(list_head_uaddr))
set_pointer_arg(1, list_head_uaddr)
if (@probewrite(len))
set_ulong_arg(2, len)
%)
probe syscall.set_robust_list = dw_syscall.set_robust_list !,
nd_syscall.set_robust_list ? {}
probe syscall.set_robust_list.return = dw_syscall.set_robust_list.return !,
nd_syscall.set_robust_list.return ? {}
# dw_set_robust_list _____________________________________________________
probe dw_syscall.set_robust_list = __syscall.set_robust_list ?,
kernel.function("compat_sys_set_robust_list") ?
{
@_SYSCALL_SET_ROBUST_LIST_NAME
list_head_uaddr = @__pointer($head)
len = @__compat_ulong($len)
@_SYSCALL_SET_ROBUST_LIST_ARGSTR
}
probe __syscall.set_robust_list = kernel.function("sys_set_robust_list")
{
@__syscall_gate_compat_simple
}
probe dw_syscall.set_robust_list.return = __syscall.set_robust_list.return ?,
kernel.function("compat_sys_set_robust_list").return ?
{
@_SYSCALL_SET_ROBUST_LIST_NAME
@SYSC_RETVALSTR($return)
}
probe __syscall.set_robust_list.return =
kernel.function("sys_set_robust_list").return
{
@__syscall_gate_compat_simple
}
# nd_set_robust_list _____________________________________________________
probe nd_syscall.set_robust_list = nd1_syscall.set_robust_list!, nd2_syscall.set_robust_list!, tp_syscall.set_robust_list
{ }
probe nd1_syscall.set_robust_list =
__nd1_syscall.set_robust_list ?,
kprobe.function("compat_sys_set_robust_list") ?
{
@_SYSCALL_SET_ROBUST_LIST_NAME
asmlinkage()
@_SYSCALL_SET_ROBUST_LIST_REGARGS
@_SYSCALL_SET_ROBUST_LIST_ARGSTR
}
probe __nd1_syscall.set_robust_list = kprobe.function("sys_set_robust_list")
{
@__syscall_gate_compat_simple
}
/* kernel 4.17+ */
probe nd2_syscall.set_robust_list =
kprobe.function(@arch_syscall_prefix "sys_set_robust_list") ?,
kprobe.function(@arch_syscall_prefix "compat_sys_set_robust_list") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_SET_ROBUST_LIST_NAME
@_SYSCALL_SET_ROBUST_LIST_REGARGS
@_SYSCALL_SET_ROBUST_LIST_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_SET_ROBUST_LIST_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.set_robust_list = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_set_robust_list"), @const("__NR_compat_set_robust_list"))
@_SYSCALL_SET_ROBUST_LIST_NAME
@_SYSCALL_SET_ROBUST_LIST_REGARGS
@_SYSCALL_SET_ROBUST_LIST_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_SET_ROBUST_LIST_REGARGS_STORE %)
}
probe nd_syscall.set_robust_list.return = nd1_syscall.set_robust_list.return!, nd2_syscall.set_robust_list.return!, tp_syscall.set_robust_list.return
{ }
probe nd1_syscall.set_robust_list.return =
__nd1_syscall.set_robust_list.return ?,
kprobe.function("compat_sys_set_robust_list").return ?
{
@_SYSCALL_SET_ROBUST_LIST_NAME
@SYSC_RETVALSTR(returnval())
}
probe __nd1_syscall.set_robust_list.return =
kprobe.function("sys_set_robust_list").return
{
@__syscall_gate_compat_simple
}
/* kernel 4.17+ */
probe nd2_syscall.set_robust_list.return =
kprobe.function(@arch_syscall_prefix "sys_set_robust_list").return ?,
kprobe.function(@arch_syscall_prefix "compat_sys_set_robust_list").return ?
{
@_SYSCALL_SET_ROBUST_LIST_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.set_robust_list.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_set_robust_list"), @const("__NR_compat_set_robust_list"))
@_SYSCALL_SET_ROBUST_LIST_NAME
@SYSC_RETVALSTR($ret)
}
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