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# fanotify_init ______________________________________________
# fanotify_init() was enabled in kernel version 2.6.37.
# SYSCALL_DEFINE2(fanotify_init, unsigned int, flags,
# unsigned int, event_f_flags)
@define _SYSCALL_FANOTIFY_INIT_NAME
%(
name = "fanotify_init"
%)
@define _SYSCALL_FANOTIFY_INIT_ARGSTR
%(
argstr = sprintf("%s, %s", flags_str, event_f_flags_str)
%)
@define _SYSCALL_FANOTIFY_INIT_REGARGS
%(
flags = uint_arg(1)
flags_str = _fanotify_init_flags_str(flags)
event_f_flags = uint_arg(2)
event_f_flags_str = _sys_open_flag_str(event_f_flags)
%)
@define _SYSCALL_FANOTIFY_INIT_REGARGS_STORE
%(
if (@probewrite(flags))
set_uint_arg(1, flags)
if (@probewrite(event_f_flags))
set_uint_arg(2, event_f_flags)
%)
probe syscall.fanotify_init = dw_syscall.fanotify_init !, nd_syscall.fanotify_init ? {}
probe syscall.fanotify_init.return = dw_syscall.fanotify_init.return !, nd_syscall.fanotify_init.return ? {}
# dw_fanotify_init _____________________________________________________
probe dw_syscall.fanotify_init = kernel.function("sys_fanotify_init").call ?
{
@_SYSCALL_FANOTIFY_INIT_NAME
flags = __uint32($flags)
flags_str = _fanotify_init_flags_str(flags)
event_f_flags = __uint32($event_f_flags)
event_f_flags_str = _sys_open_flag_str(event_f_flags)
@_SYSCALL_FANOTIFY_INIT_ARGSTR
}
probe dw_syscall.fanotify_init.return =
kernel.function("sys_fanotify_init").return ?
{
@_SYSCALL_FANOTIFY_INIT_NAME
@SYSC_RETVALSTR($return)
}
# nd_fanotify_init _____________________________________________________
probe nd_syscall.fanotify_init = nd1_syscall.fanotify_init!, nd2_syscall.fanotify_init!, tp_syscall.fanotify_init
{ }
probe nd1_syscall.fanotify_init = kprobe.function("sys_fanotify_init") ?
{
@_SYSCALL_FANOTIFY_INIT_NAME
asmlinkage()
@_SYSCALL_FANOTIFY_INIT_REGARGS
@_SYSCALL_FANOTIFY_INIT_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.fanotify_init = kprobe.function(@arch_syscall_prefix "sys_fanotify_init") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_FANOTIFY_INIT_NAME
@_SYSCALL_FANOTIFY_INIT_REGARGS
@_SYSCALL_FANOTIFY_INIT_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_FANOTIFY_INIT_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.fanotify_init = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_fanotify_init"), @const("__NR_compat_fanotify_init"))
@_SYSCALL_FANOTIFY_INIT_NAME
@_SYSCALL_FANOTIFY_INIT_REGARGS
@_SYSCALL_FANOTIFY_INIT_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_FANOTIFY_INIT_REGARGS_STORE %)
}
probe nd_syscall.fanotify_init.return = nd1_syscall.fanotify_init.return!, nd2_syscall.fanotify_init.return!, tp_syscall.fanotify_init.return
{ }
probe nd1_syscall.fanotify_init.return =
kprobe.function("sys_fanotify_init").return ?
{
@_SYSCALL_FANOTIFY_INIT_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.fanotify_init.return = kprobe.function(@arch_syscall_prefix "sys_fanotify_init").return ?
{
@_SYSCALL_FANOTIFY_INIT_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.fanotify_init.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_fanotify_init"), @const("__NR_compat_fanotify_init"))
@_SYSCALL_FANOTIFY_INIT_NAME
@SYSC_RETVALSTR($ret)
}
|
