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# getrlimit __________________________________________________
# long sys_getrlimit(unsigned int resource, struct rlimit __user *rlim)
# long sys_old_getrlimit(unsigned int resource, struct rlimit __user *rlim)
# long compat_sys_getrlimit (unsigned int resource, struct compat_rlimit __user *rlim)
@define _SYSCALL_GETRLIMIT_NAME
%(
name = "getrlimit"
%)
@define _SYSCALL_GETRLIMIT_ARGSTR
%(
argstr = sprintf("%s, %p", _rlimit_resource_str(resource), rlim_uaddr)
%)
@define _SYSCALL_GETRLIMIT_REGARGS
%(
resource = int_arg(1)
rlim_uaddr = pointer_arg(2)
%)
@define _SYSCALL_GETRLIMIT_REGARGS_STORE
%(
if (@probewrite(resource))
set_int_arg(1, resource)
if (@probewrite(rlim_uaddr))
set_pointer_arg(2, rlim_uaddr)
%)
probe syscall.getrlimit = dw_syscall.getrlimit !, nd_syscall.getrlimit ? {}
probe syscall.getrlimit.return = dw_syscall.getrlimit.return !,
nd_syscall.getrlimit.return ? {}
# dw_getrlimit _____________________________________________________
probe dw_syscall.getrlimit = __syscall.getrlimit ?,
kernel.function("compat_sys_getrlimit").call ?,
kernel.function("sys_old_getrlimit").call ?
{
@_SYSCALL_GETRLIMIT_NAME
resource = __int32($resource)
rlim_uaddr = $rlim
@_SYSCALL_GETRLIMIT_ARGSTR
}
probe __syscall.getrlimit = kernel.function("sys_getrlimit").call
{
@__syscall_gate_compat_simple
}
probe dw_syscall.getrlimit.return =
kernel.function("sys_old_getrlimit").return ?,
kernel.function("compat_sys_getrlimit").return ?,
__syscall.getrlimit.return ?
{
@_SYSCALL_GETRLIMIT_NAME
@SYSC_RETVALSTR($return)
}
probe __syscall.getrlimit.return = kernel.function("sys_getrlimit").return
{
@__syscall_gate_compat_simple
}
# nd_getrlimit _____________________________________________________
probe nd_syscall.getrlimit = nd1_syscall.getrlimit!, nd2_syscall.getrlimit!, tp_syscall.getrlimit
{ }
probe nd1_syscall.getrlimit = __nd1_syscall.getrlimit ?,
kprobe.function("compat_sys_getrlimit") ?,
kprobe.function("sys_old_getrlimit") ?
{
@_SYSCALL_GETRLIMIT_NAME
asmlinkage()
@_SYSCALL_GETRLIMIT_REGARGS
@_SYSCALL_GETRLIMIT_ARGSTR
}
probe __nd1_syscall.getrlimit = kprobe.function("sys_getrlimit")
{
@__syscall_gate_compat_simple
}
/* kernel 4.17+ */
probe nd2_syscall.getrlimit =
kprobe.function(@arch_syscall_prefix "sys_getrlimit") ?,
kprobe.function(@arch_syscall_prefix "compat_sys_getrlimit") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_GETRLIMIT_NAME
@_SYSCALL_GETRLIMIT_REGARGS
@_SYSCALL_GETRLIMIT_ARGSTR
},
{
@_SYSCALL_GETRLIMIT_REGARGS_STORE
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.getrlimit = __tp_syscall.getrlimit, __tp_syscall.ugetrlimit
{
__set_syscall_pt_regs($regs)
@_SYSCALL_GETRLIMIT_NAME
@_SYSCALL_GETRLIMIT_REGARGS
@_SYSCALL_GETRLIMIT_ARGSTR
},
{
@_SYSCALL_GETRLIMIT_REGARGS_STORE
}
probe __tp_syscall.getrlimit = kernel.trace("sys_enter")
{
@__syscall_compat_gate(@const("__NR_getrlimit"), @const("__NR_compat_getrlimit"))
}
probe __tp_syscall.ugetrlimit = kernel.trace("sys_enter")
{
@__syscall_compat_gate(@const("__NR_ugetrlimit"), @const("__NR_compat_ugetrlimit"))
}
probe nd_syscall.getrlimit.return = nd1_syscall.getrlimit.return!, nd2_syscall.getrlimit.return!, tp_syscall.getrlimit.return
{ }
probe nd1_syscall.getrlimit.return = __nd1_syscall.getrlimit.return ?,
kprobe.function("sys_old_getrlimit").return ?,
kprobe.function("compat_sys_getrlimit").return ?
{
@_SYSCALL_GETRLIMIT_NAME
@SYSC_RETVALSTR(returnval())
}
probe __nd1_syscall.getrlimit.return = kprobe.function("sys_getrlimit").return
{
@__syscall_gate_compat_simple
}
/* kernel 4.17+ */
probe nd2_syscall.getrlimit.return =
kprobe.function(@arch_syscall_prefix "sys_getrlimit").return ?,
kprobe.function(@arch_syscall_prefix "compat_sys_getrlimit").return ?
{
@_SYSCALL_GETRLIMIT_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.getrlimit.return = __tp_syscall.getrlimit.return, __tp_syscall.ugetrlimit.return
{
__set_syscall_pt_regs($regs)
@_SYSCALL_GETRLIMIT_NAME
@SYSC_RETVALSTR($ret)
}
probe __tp_syscall.getrlimit.return = kernel.trace("sys_exit")
{
@__syscall_compat_gate(@const("__NR_getrlimit"), @const("__NR_compat_getrlimit"))
}
probe __tp_syscall.ugetrlimit.return = kernel.trace("sys_exit")
{
@__syscall_compat_gate(@const("__NR_ugetrlimit"), @const("__NR_compat_ugetrlimit"))
}
|
