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# mq_notify __________________________________________________
# long sys_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification)
# long compat_sys_mq_notify(mqd_t mqdes, const struct compat_sigevent __user *u_notification)
#
@define _SYSCALL_MQ_NOTIFY_NAME
%(
name = "mq_notify"
%)
@define _SYSCALL_MQ_NOTIFY_ARGSTR
%(
argstr = sprintf("%d, %p", mqdes, notification_uaddr)
%)
@define _SYSCALL_MQ_NOTIFY_REGARGS
%(
mqdes = int_arg(1)
notification_uaddr = pointer_arg(2)
%)
@define _SYSCALL_MQ_NOTIFY_REGARGS_STORE
%(
if (@probewrite(mqdes))
set_int_arg(1, mqdes)
if (@probewrite(notification_uaddr))
set_pointer_arg(2, notification_uaddr)
%)
probe syscall.mq_notify = dw_syscall.mq_notify !, nd_syscall.mq_notify ? {}
probe syscall.mq_notify.return = dw_syscall.mq_notify.return !,
nd_syscall.mq_notify.return ? {}
# dw_mq_notify _____________________________________________________
probe dw_syscall.mq_notify =
__syscall.mq_notify,
kernel.function("compat_sys_mq_notify").call ?
{
@_SYSCALL_MQ_NOTIFY_NAME
mqdes = __int32($mqdes)
notification_uaddr = @__pointer($u_notification)
@_SYSCALL_MQ_NOTIFY_ARGSTR
}
probe __syscall.mq_notify = kernel.function("sys_mq_notify").call
{
@__syscall_gate(@const("__NR_mq_notify"))
}
probe dw_syscall.mq_notify.return =
__syscall.mq_notify.return,
kernel.function("compat_sys_mq_notify").return ?
{
@_SYSCALL_MQ_NOTIFY_NAME
@SYSC_RETVALSTR($return)
}
probe __syscall.mq_notify.return = kernel.function("sys_mq_notify").return
{
@__syscall_gate(@const("__NR_mq_notify"))
}
# nd_mq_notify _____________________________________________________
probe nd_syscall.mq_notify = nd1_syscall.mq_notify!, nd2_syscall.mq_notify!, tp_syscall.mq_notify
{ }
probe nd1_syscall.mq_notify =
__nd1_syscall.mq_notify ?,
kprobe.function("compat_sys_mq_notify") ?
{
@_SYSCALL_MQ_NOTIFY_NAME
asmlinkage()
@_SYSCALL_MQ_NOTIFY_REGARGS
@_SYSCALL_MQ_NOTIFY_ARGSTR
}
probe __nd1_syscall.mq_notify = kprobe.function("sys_mq_notify")
{
@__syscall_gate(@const("__NR_mq_notify"))
}
/* kernel 4.17+ */
probe nd2_syscall.mq_notify =
kprobe.function(@arch_syscall_prefix "sys_mq_notify") ?,
kprobe.function(@arch_syscall_prefix "compat_sys_mq_notify") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_MQ_NOTIFY_NAME
@_SYSCALL_MQ_NOTIFY_REGARGS
@_SYSCALL_MQ_NOTIFY_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_MQ_NOTIFY_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.mq_notify = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_mq_notify"), @const("__NR_compat_mq_notify"))
@_SYSCALL_MQ_NOTIFY_NAME
@_SYSCALL_MQ_NOTIFY_REGARGS
@_SYSCALL_MQ_NOTIFY_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_MQ_NOTIFY_REGARGS_STORE %)
}
probe nd_syscall.mq_notify.return = nd1_syscall.mq_notify.return!, nd2_syscall.mq_notify.return!, tp_syscall.mq_notify.return
{ }
probe nd1_syscall.mq_notify.return =
__nd1_syscall.mq_notify.return ?,
kprobe.function("compat_sys_mq_notify").return ?
{
@_SYSCALL_MQ_NOTIFY_NAME
@SYSC_RETVALSTR(returnval())
}
probe __nd1_syscall.mq_notify.return = kprobe.function("sys_mq_notify").return
{
@__syscall_gate(@const("__NR_mq_notify"))
}
/* kernel 4.17+ */
probe nd2_syscall.mq_notify.return =
kprobe.function(@arch_syscall_prefix "sys_mq_notify").return ?,
kprobe.function(@arch_syscall_prefix "compat_sys_mq_notify").return ?
{
@_SYSCALL_MQ_NOTIFY_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.mq_notify.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_mq_notify"), @const("__NR_compat_mq_notify"))
@_SYSCALL_MQ_NOTIFY_NAME
@SYSC_RETVALSTR($ret)
}
|
