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# mbind ______________________________________________________
# long sys_mbind(unsigned long start,
# unsigned long len,
# unsigned long mode,
# unsigned long __user *nmask,
# unsigned long maxnode,
# unsigned flags)
#
# long compat_sys_mbind(compat_ulong_t start,
# compat_ulong_t len,
# compat_ulong_t mode,
# compat_ulong_t __user *nmask,
# compat_ulong_t maxnode,
# compat_ulong_t flags)
#
@define _SYSCALL_MBIND_NAME
%(
name = "mbind"
%)
@define _SYSCALL_MBIND_ARGSTR
%(
argstr = sprintf("%p, %u, %s, %p, %u, %s", start, len,
mode_str, nmask_uaddr, maxnode, flags_str)
%)
@define _SYSCALL_MBIND_REGARGS
%(
start = pointer_arg(1)
len = ulong_arg(2)
mode = int_arg(3)
mode_str = _mempolicy_mode_str(mode)
nmask_uaddr = pointer_arg(4)
maxnode = ulong_arg(5)
flags = uint_arg(6)
flags_str = _mempolicy_flags_str(flags)
%)
@define _SYSCALL_MBIND_REGARGS_STORE
%(
if (@probewrite(start))
set_pointer_arg(1, start)
if (@probewrite(len))
set_ulong_arg(2, len)
if (@probewrite(mode))
set_int_arg(3, mode)
if (@probewrite(nmask_uaddr))
set_pointer_arg(4, nmask_uaddr)
if (@probewrite(maxnode))
set_ulong_arg(5, maxnode)
if (@probewrite(flags))
set_uint_arg(6, flags)
%)
probe syscall.mbind = dw_syscall.mbind !, nd_syscall.mbind ? {}
probe syscall.mbind.return = dw_syscall.mbind.return !, nd_syscall.mbind.return ? {}
# dw_mbind _____________________________________________________
probe dw_syscall.mbind = __syscall.mbind ?,
kernel.function("compat_sys_mbind").call ?
{
@_SYSCALL_MBIND_NAME
start = $start
mode = __int32($mode)
mode_str = _mempolicy_mode_str(mode)
nmask_uaddr = $nmask
flags = __uint32($flags)
flags_str = _mempolicy_flags_str(flags)
len = @__compat_ulong($len)
maxnode = @__compat_ulong($maxnode)
@_SYSCALL_MBIND_ARGSTR
}
probe __syscall.mbind = kernel.function("sys_mbind").call
{
%( arch == "powerpc" %?
@__syscall_gate_compat_simple
%)
}
probe dw_syscall.mbind.return = __syscall.mbind.return ?,
kernel.function("compat_sys_mbind").return ?
{
@_SYSCALL_MBIND_NAME
@SYSC_RETVALSTR($return)
}
probe __syscall.mbind.return = kernel.function("sys_mbind").return
{
%( arch == "powerpc" %?
@__syscall_gate_compat_simple
%)
}
# nd_mbind _____________________________________________________
probe nd_syscall.mbind = nd1_syscall.mbind!, nd2_syscall.mbind!, tp_syscall.mbind
{ }
probe nd1_syscall.mbind = __nd1_syscall.mbind ?,
kprobe.function("compat_sys_mbind") ?
{
@_SYSCALL_MBIND_NAME
asmlinkage()
@_SYSCALL_MBIND_REGARGS
@_SYSCALL_MBIND_ARGSTR
}
probe __nd1_syscall.mbind = kprobe.function("sys_mbind")
{
%( arch == "powerpc" %?
@__syscall_gate_compat_simple
%)
}
/* kernel 4.17+ */
probe nd2_syscall.mbind = kprobe.function(@arch_syscall_prefix "sys_mbind") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_MBIND_NAME
@_SYSCALL_MBIND_REGARGS
@_SYSCALL_MBIND_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_MBIND_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.mbind = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_mbind"), @const("__NR_compat_mbind"))
@_SYSCALL_MBIND_NAME
@_SYSCALL_MBIND_REGARGS
@_SYSCALL_MBIND_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_MBIND_REGARGS_STORE %)
}
probe nd_syscall.mbind.return = nd1_syscall.mbind.return!, nd2_syscall.mbind.return!, tp_syscall.mbind.return
{ }
probe nd1_syscall.mbind.return = __nd1_syscall.mbind.return ?,
kprobe.function("compat_sys_mbind").return ?
{
@_SYSCALL_MBIND_NAME
@SYSC_RETVALSTR(returnval())
}
probe __nd1_syscall.mbind.return = kprobe.function("sys_mbind").return
{
%( arch == "powerpc" %?
@__syscall_gate_compat_simple
%)
}
/* kernel 4.17+ */
probe nd2_syscall.mbind.return = kprobe.function(@arch_syscall_prefix "sys_mbind").return ?
{
@_SYSCALL_MBIND_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.mbind.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_mbind"), @const("__NR_compat_mbind"))
@_SYSCALL_MBIND_NAME
@SYSC_RETVALSTR($ret)
}
|
