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|
# setrlimit __________________________________________________
#
# asmlinkage long
# sys_setrlimit(unsigned int resource,
# struct rlimit __user *rlim)
# asmlinkage long
# compat_sys_setrlimit(unsigned int resource,
# struct compat_rlimit __user *rlim)
#
@define _SYSCALL_SETRLIMIT_NAME
%(
name = "setrlimit"
%)
@define _SYSCALL_SETRLIMIT_ARGSTR
%(
argstr = sprintf("%s, %s", resource_str, rlim_str)
%)
@define _SYSCALL_SETRLIMIT_REGARGS
%(
resource = uint_arg(1)
resource_str = _rlimit_resource_str(resource)
rlim_uaddr = pointer_arg(2)
rlim_str = _struct_rlimit_u(rlim_uaddr)
%)
@define _SYSCALL_SETRLIMIT_REGARGS_STORE
%(
if (@probewrite(resource))
set_uint_arg(1, resource)
if (@probewrite(rlim_uaddr))
set_pointer_arg(2, rlim_uaddr)
%)
probe syscall.setrlimit = dw_syscall.setrlimit !, nd_syscall.setrlimit ? {}
probe syscall.setrlimit.return = dw_syscall.setrlimit.return !,
nd_syscall.setrlimit.return ? {}
# dw_setrlimit _____________________________________________________
probe dw_syscall.setrlimit = __syscall.setrlimit ?,
kernel.function("compat_sys_setrlimit").call ?
{
@_SYSCALL_SETRLIMIT_NAME
resource = $resource
resource_str = _rlimit_resource_str(resource)
rlim_uaddr = $rlim
rlim_str = _struct_rlimit_u(rlim_uaddr)
@_SYSCALL_SETRLIMIT_ARGSTR
}
probe __syscall.setrlimit = kernel.function("sys_setrlimit").call
{
@__syscall_gate(@const("__NR_setrlimit"))
}
probe dw_syscall.setrlimit.return = __syscall.setrlimit.return ?,
kernel.function("compat_sys_setrlimit").return ?
{
@_SYSCALL_SETRLIMIT_NAME
@SYSC_RETVALSTR($return)
}
probe __syscall.setrlimit.return = kernel.function("sys_setrlimit").return
{
@__syscall_gate(@const("__NR_setrlimit"))
}
# nd_setrlimit _____________________________________________________
probe nd_syscall.setrlimit = nd1_syscall.setrlimit!, nd2_syscall.setrlimit!, tp_syscall.setrlimit
{ }
probe nd1_syscall.setrlimit = __nd1_syscall.setrlimit ?,
kprobe.function("compat_sys_setrlimit") ?
{
@_SYSCALL_SETRLIMIT_NAME
asmlinkage()
@_SYSCALL_SETRLIMIT_REGARGS
@_SYSCALL_SETRLIMIT_ARGSTR
}
probe __nd1_syscall.setrlimit = kprobe.function("sys_setrlimit")
{
@__syscall_gate(@const("__NR_setrlimit"))
}
/* kernel 4.17+ */
probe nd2_syscall.setrlimit =
kprobe.function(@arch_syscall_prefix "sys_setrlimit") ?,
kprobe.function(@arch_syscall_prefix "compat_sys_setrlimit") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_SETRLIMIT_NAME
@_SYSCALL_SETRLIMIT_REGARGS
@_SYSCALL_SETRLIMIT_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_SETRLIMIT_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.setrlimit = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_setrlimit"), @const("__NR_compat_setrlimit"))
@_SYSCALL_SETRLIMIT_NAME
@_SYSCALL_SETRLIMIT_REGARGS
@_SYSCALL_SETRLIMIT_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_SETRLIMIT_REGARGS_STORE %)
}
probe nd_syscall.setrlimit.return = nd1_syscall.setrlimit.return!, nd2_syscall.setrlimit.return!, tp_syscall.setrlimit.return
{ }
probe nd1_syscall.setrlimit.return = __nd1_syscall.setrlimit.return ?,
kprobe.function("compat_sys_setrlimit").return ?
{
@_SYSCALL_SETRLIMIT_NAME
@SYSC_RETVALSTR(returnval())
}
probe __nd1_syscall.setrlimit.return = kprobe.function("sys_setrlimit").return
{
@__syscall_gate(@const("__NR_setrlimit"))
}
/* kernel 4.17+ */
probe nd2_syscall.setrlimit.return =
kprobe.function(@arch_syscall_prefix "sys_setrlimit").return ?,
kprobe.function(@arch_syscall_prefix "compat_sys_setrlimit").return ?
{
@_SYSCALL_SETRLIMIT_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.setrlimit.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_setrlimit"), @const("__NR_compat_setrlimit"))
@_SYSCALL_SETRLIMIT_NAME
@SYSC_RETVALSTR($ret)
}
|
