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# mq_timedreceive ____________________________________________
# ssize_t sys_mq_timedreceive(mqd_t mqdes,
# char __user *u_msg_ptr,
# size_t msg_len,
# unsigned int __user *u_msg_prio,
# const struct timespec __user *u_abs_timeout)
# ssize_t compat_sys_mq_timedreceive(mqd_t mqdes,
# char __user *u_msg_ptr,
# size_t msg_len, unsigned int __user *u_msg_prio,
# const struct compat_timespec __user *u_abs_timeout)
#
@define _SYSCALL_MQ_TIMEDRECEIVE_NAME
%(
name = "mq_timedreceive"
%)
@define _SYSCALL_MQ_TIMEDRECEIVE_ARGSTR
%(
argstr = sprintf("%d, %p, %u, %p, %p", mqdes, msg_ptr_uaddr, msg_len,
msg_prio_uaddr, abs_timeout_uaddr)
%)
@define _SYSCALL_MQ_TIMEDRECEIVE_REGARGS
%(
mqdes = int_arg(1)
msg_ptr_uaddr = pointer_arg(2)
msg_prio_uaddr = pointer_arg(4)
abs_timeout_uaddr = pointer_arg(5)
%)
@define _SYSCALL_MQ_TIMEDRECEIVE_REGARGS_STORE
%(
if (@probewrite(mqdes))
set_int_arg(1, mqdes)
if (@probewrite(msg_ptr_uaddr))
set_pointer_arg(2, msg_ptr_uaddr)
if (@probewrite(msg_prio_uaddr))
set_pointer_arg(4, msg_prio_uaddr)
if (@probewrite(abs_timeout_uaddr))
set_pointer_arg(5, abs_timeout_uaddr)
%)
probe syscall.mq_timedreceive = dw_syscall.mq_timedreceive !, nd_syscall.mq_timedreceive ? {}
probe syscall.mq_timedreceive.return = dw_syscall.mq_timedreceive.return !,
nd_syscall.mq_timedreceive.return ? {}
# dw_mq_timedreceive _____________________________________________________
probe dw_syscall.mq_timedreceive =
__syscall.mq_timedreceive ?,
kernel.function("compat_sys_mq_timedreceive").call ?
{
@_SYSCALL_MQ_TIMEDRECEIVE_NAME
mqdes = __int32($mqdes)
msg_ptr_uaddr = @__pointer($u_msg_ptr)
msg_prio_uaddr = @__pointer($u_msg_prio)
abs_timeout_uaddr = @__pointer($u_abs_timeout)
%( CONFIG_64BIT == "y" %?
msg_len = @__compat_ulong($msg_len)
%:
msg_len = __uint32($msg_len)
%)
@_SYSCALL_MQ_TIMEDRECEIVE_ARGSTR
}
probe __syscall.mq_timedreceive = kernel.function("sys_mq_timedreceive").call
{
@__syscall_gate(@const("__NR_mq_timedreceive"))
}
probe dw_syscall.mq_timedreceive.return =
__syscall.mq_timedreceive.return,
kernel.function("compat_sys_mq_timedreceive").return ?
{
@_SYSCALL_MQ_TIMEDRECEIVE_NAME
@SYSC_RETVALSTR($return)
}
probe __syscall.mq_timedreceive.return = kernel.function("sys_mq_timedreceive").return
{
@__syscall_gate_compat_simple
}
# nd_mq_timedreceive _____________________________________________________
probe nd_syscall.mq_timedreceive = nd1_syscall.mq_timedreceive!, nd2_syscall.mq_timedreceive!, tp_syscall.mq_timedreceive
{ }
probe nd1_syscall.mq_timedreceive =
__nd1_syscall.mq_timedreceive ?,
__nd1_syscall.compat_mq_timedreceive ?
{
@_SYSCALL_MQ_TIMEDRECEIVE_NAME
asmlinkage()
@_SYSCALL_MQ_TIMEDRECEIVE_REGARGS
@_SYSCALL_MQ_TIMEDRECEIVE_ARGSTR
}
probe __nd1_syscall.compat_mq_timedreceive = kprobe.function("compat_sys_mq_timedreceive")
{
asmlinkage()
msg_len = uint_arg(3)
}
probe __nd1_syscall.mq_timedreceive = kprobe.function("sys_mq_timedreceive")
{
asmlinkage()
@__syscall_gate(@const("__NR_mq_timedreceive"))
%( CONFIG_64BIT == "y" %?
msg_len = ulong_arg(3)
%:
msg_len = uint_arg(3)
%)
}
/* kernel 4.17+ */
probe nd2_syscall.mq_timedreceive =
__nd2_syscall.mq_timedreceive ?,
__nd2_syscall.compat_mq_timedreceive ?
{
@_SYSCALL_MQ_TIMEDRECEIVE_NAME
@_SYSCALL_MQ_TIMEDRECEIVE_REGARGS
@_SYSCALL_MQ_TIMEDRECEIVE_ARGSTR
}
probe __nd2_syscall.compat_mq_timedreceive = kprobe.function(@arch_syscall_prefix "compat_sys_mq_timedreceive") ?
{
__set_syscall_pt_regs(pointer_arg(1))
msg_len = uint_arg(3)
},
{
%( @_IS_SREG_KERNEL %?
@_SYSCALL_MQ_TIMEDRECEIVE_REGARGS_STORE
if (@probewrite(msg_len))
set_uint_arg(3, msg_len)
%)
}
probe __nd2_syscall.mq_timedreceive = kprobe.function(@arch_syscall_prefix "sys_mq_timedreceive") ?
{
__set_syscall_pt_regs(pointer_arg(1))
msg_len = ulong_arg(3)
},
{
%( @_IS_SREG_KERNEL %?
@_SYSCALL_MQ_TIMEDRECEIVE_REGARGS_STORE
if (@probewrite(msg_len))
set_ulong_arg(3, msg_len)
%)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.mq_timedreceive =
__tp_syscall.mq_timedreceive ?,
__tp_syscall.compat_mq_timedreceive ?
{
@_SYSCALL_MQ_TIMEDRECEIVE_NAME
@_SYSCALL_MQ_TIMEDRECEIVE_REGARGS
@_SYSCALL_MQ_TIMEDRECEIVE_ARGSTR
}
probe __tp_syscall.compat_mq_timedreceive = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat_mq_timedreceive"))
msg_len = uint_arg(3)
},
{
%( @_IS_SREG_KERNEL %?
@_SYSCALL_MQ_TIMEDRECEIVE_REGARGS_STORE
if (@probewrite(msg_len))
set_uint_arg(3, msg_len)
%)
}
probe __tp_syscall.mq_timedreceive = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_gate(@const("__NR_mq_timedreceive"))
msg_len = ulong_arg(3)
},
{
%( @_IS_SREG_KERNEL %?
@_SYSCALL_MQ_TIMEDRECEIVE_REGARGS_STORE
if (@probewrite(msg_len))
set_ulong_arg(3, msg_len)
%)
}
probe nd_syscall.mq_timedreceive.return = nd1_syscall.mq_timedreceive.return!, nd2_syscall.mq_timedreceive.return!, tp_syscall.mq_timedreceive.return
{ }
probe nd1_syscall.mq_timedreceive.return =
__nd1_syscall.mq_timedreceive.return ?,
kprobe.function("compat_sys_mq_timedreceive").return ?
{
@_SYSCALL_MQ_TIMEDRECEIVE_NAME
@SYSC_RETVALSTR(returnval())
}
probe __nd1_syscall.mq_timedreceive.return = kprobe.function("sys_mq_timedreceive").return
{
@__syscall_gate(@const("__NR_mq_timedreceive"))
}
/* kernel 4.17+ */
probe nd2_syscall.mq_timedreceive.return =
kprobe.function(@arch_syscall_prefix "sys_mq_timedreceive").return ?,
kprobe.function(@arch_syscall_prefix "compat_sys_mq_timedreceive").return ?
{
@_SYSCALL_MQ_TIMEDRECEIVE_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.mq_timedreceive.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_mq_timedreceive"), @const("__NR_compat_mq_timedreceive"))
@_SYSCALL_MQ_TIMEDRECEIVE_NAME
@SYSC_RETVALSTR($ret)
}