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|
# msgctl _____________________________________________________
# long sys_msgctl (int msqid, int cmd, struct msqid_ds __user *buf)
#
@define _SYSCALL_MSGCTL_NAME
%(
name = "msgctl"
%)
@define _SYSCALL_MSGCTL_ARGSTR
%(
argstr = sprintf("%d, %s, %p", msqid, cmd_str, buf_uaddr)
%)
@define _SYSCALL_MSGCTL_REGARGS
%(
msqid = int_arg(1)
cmd = int_arg(2)
cmd_str = _stp_msgctl_cmd_str(cmd)
buf_uaddr = pointer_arg(3)
%)
@define _SYSCALL_IPC_MSGCTL_REGARGS
%(
msqid = int_arg(2)
cmd = int_arg(3)
cmd_str = _stp_msgctl_cmd_str(cmd)
buf_uaddr = pointer_arg(5)
%)
probe syscall.msgctl = dw_syscall.msgctl !, nd_syscall.msgctl ? {}
probe syscall.msgctl.return = dw_syscall.msgctl.return !,
nd_syscall.msgctl.return ? {}
# dw_msgctl _____________________________________________________
probe dw_syscall.msgctl = kernel.function("sys_msgctl").call ?
{
@__syscall_gate2(@const("__NR_msgctl"), @const("__NR_ipc"))
@_SYSCALL_MSGCTL_NAME
msqid = __int32($msqid)
cmd = __int32($cmd)
cmd_str = _stp_msgctl_cmd_str(__int32($cmd))
buf_uaddr = $buf
@_SYSCALL_MSGCTL_ARGSTR
}
probe dw_syscall.msgctl.return = kernel.function("sys_msgctl").return ?
{
@__syscall_gate2(@const("__NR_msgctl"), @const("__NR_ipc"))
@_SYSCALL_MSGCTL_NAME
@SYSC_RETVALSTR($return)
}
# nd_msgctl _____________________________________________________
probe nd_syscall.msgctl = nd1_syscall.msgctl!, nd2_syscall.msgctl!, tp_syscall.msgctl
{ }
probe nd1_syscall.msgctl = kprobe.function("sys_msgctl") ?
{
@__syscall_gate2(@const("__NR_msgctl"), @const("__NR_ipc"))
@_SYSCALL_MSGCTL_NAME
asmlinkage()
@_SYSCALL_MSGCTL_REGARGS
@_SYSCALL_MSGCTL_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.msgctl = kprobe.function(@arch_syscall_prefix "sys_msgctl") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_MSGCTL_NAME
@_SYSCALL_MSGCTL_REGARGS
@_SYSCALL_MSGCTL_ARGSTR
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.msgctl = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_gate(@const("__NR_msgctl"))
@_SYSCALL_MSGCTL_NAME
@_SYSCALL_MSGCTL_REGARGS
@_SYSCALL_MSGCTL_ARGSTR
}
probe nd_syscall.msgctl.return = nd1_syscall.msgctl.return!, nd2_syscall.msgctl.return!, tp_syscall.msgctl.return
{ }
probe nd1_syscall.msgctl.return = kprobe.function("sys_msgctl").return ?
{
@__syscall_gate2(@const("__NR_msgctl"), @const("__NR_ipc"))
@_SYSCALL_MSGCTL_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.msgctl.return = kprobe.function(@arch_syscall_prefix "sys_msgctl").return ?
{
@_SYSCALL_MSGCTL_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.msgctl.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_gate(@const("__NR_msgctl"))
@_SYSCALL_MSGCTL_NAME
@SYSC_RETVALSTR($ret)
}
# compat_sys_msgctl ________________________________________
#
# long compat_sys_msgctl(int first, int second, void __user *uptr)
# ifdef CONFIG_ARCH_WANT_OLD_COMPAT_IPC
# COMPAT_SYSCALL_DEFINE6(ipc, u32, call, int, first, int, second,
# u32, third, compat_uptr_t, ptr, u32, fifth)
# endif
#
probe syscall.compat_sys_msgctl = dw_syscall.compat_sys_msgctl !,
nd_syscall.compat_sys_msgctl ? {}
probe syscall.compat_sys_msgctl.return = dw_syscall.compat_sys_msgctl.return !,
nd_syscall.compat_sys_msgctl.return ? {}
# dw_compat_sys_msgctl _____________________________________________________
probe dw_syscall.compat_sys_msgctl = __syscall.compat_msgctl ?,
__syscall.compat_ipc.msgctl ?
{
@_SYSCALL_MSGCTL_NAME
cmd_str = _stp_msgctl_cmd_str(cmd)
@_SYSCALL_MSGCTL_ARGSTR
}
probe __syscall.compat_msgctl = kernel.function("compat_sys_msgctl").call ?
{
@__compat_syscall_gate_negative(@const("__NR_compat_ipc"))
msqid = __int32(@choose_defined($first, $msqid))
cmd = __int32(@choose_defined($second, $cmd))
buf_uaddr = $uptr
}
probe __syscall.compat_ipc.msgctl = kernel.function("compat_sys_ipc").call ?,
kernel.function("sys32_ipc").call ?
{
if (($call & 0xffff) != @const("MSGCTL")) next;
msqid = __int32($first)
cmd = __int32($second)
buf_uaddr = $ptr
}
probe dw_syscall.compat_sys_msgctl.return =
__syscall.compat_sys_msgctl.return ?,
__syscall.compat_ipc.msgctl.return ?
{
@_SYSCALL_MSGCTL_NAME
@SYSC_RETVALSTR($return)
}
probe __syscall.compat_sys_msgctl.return =
kernel.function("compat_sys_msgctl").return ?
{
@__compat_syscall_gate_negative(@const("__NR_compat_ipc"))
}
probe __syscall.compat_ipc.msgctl.return =
kernel.function("compat_sys_ipc").return ?,
kernel.function("sys32_ipc").return ?
{
if ((@entry($call) & 0xffff) != @const("MSGCTL")) next;
}
# nd_compat_sys_msgctl _____________________________________________________
probe nd_syscall.compat_sys_msgctl = nd1_syscall.compat_sys_msgctl!, nd2_syscall.compat_sys_msgctl!, tp_syscall.compat_sys_msgctl
{ }
probe nd1_syscall.compat_sys_msgctl = __nd1_syscall.compat_msgctl ?,
__nd1_syscall.compat_ipc.msgctl ?
{
@_SYSCALL_MSGCTL_NAME
asmlinkage()
@_SYSCALL_MSGCTL_ARGSTR
}
probe __nd1_syscall.compat_msgctl = kprobe.function("compat_sys_msgctl") ?
{
@__compat_syscall_gate_negative(@const("__NR_compat_ipc"))
asmlinkage()
@_SYSCALL_MSGCTL_REGARGS
}
probe __nd1_syscall.compat_ipc.msgctl = kprobe.function("compat_sys_ipc") ?,
kprobe.function("sys32_ipc") ?
{
asmlinkage()
if ((uint_arg(1) & 0xffff) != @const("MSGCTL")) next;
@_SYSCALL_IPC_MSGCTL_REGARGS
}
/* kernel 4.17+ */
probe nd2_syscall.compat_sys_msgctl = kprobe.function(@arch_syscall_prefix "compat_sys_ipc") ?
{
__set_syscall_pt_regs(pointer_arg(1))
if ((uint_arg(1) & 0xffff) != @const("MSGCTL")) next;
@_SYSCALL_MSGCTL_NAME
@_SYSCALL_IPC_MSGCTL_REGARGS
@_SYSCALL_MSGCTL_ARGSTR
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_sys_msgctl = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat_ipc"))
if ((uint_arg(1) & 0xffff) != @const("MSGCTL")) next;
@_SYSCALL_MSGCTL_NAME
@_SYSCALL_IPC_MSGCTL_REGARGS
@_SYSCALL_MSGCTL_ARGSTR
}
probe nd_syscall.compat_sys_msgctl.return = nd1_syscall.compat_sys_msgctl.return!, nd2_syscall.compat_sys_msgctl.return!, tp_syscall.compat_sys_msgctl.return
{ }
probe nd1_syscall.compat_sys_msgctl.return =
__nd1_syscall.compat_sys_msgctl.return ?,
__nd1_syscall.compat_ipc.msgctl.return ?
{
@_SYSCALL_MSGCTL_NAME
@SYSC_RETVALSTR(returnval())
}
probe __nd1_syscall.compat_sys_msgctl.return =
kprobe.function("compat_sys_msgctl").return ?
{
@__compat_syscall_gate_negative(@const("__NR_compat_ipc"))
}
probe __nd1_syscall.compat_ipc.msgctl.return =
kprobe.function("compat_sys_ipc").return ?,
kprobe.function("sys32_ipc").return ?
{
if ((@entry(__asmlinkage_int_arg(1)) & 0xffff) != @const("MSGCTL")) next;
}
/* kernel 4.17+ */
probe nd2_syscall.compat_sys_msgctl.return =
kprobe.function(@arch_syscall_prefix "compat_sys_ipc").return ?
{
__set_syscall_pt_regs(@entry(pointer_arg(1)))
if ((uint_arg(1) & 0xffff) != @const("MSGCTL")) next;
@_SYSCALL_MSGCTL_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_sys_msgctl.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat_ipc"))
if ((uint_arg(1) & 0xffff) != @const("MSGCTL")) next;
@_SYSCALL_MSGCTL_NAME
@SYSC_RETVALSTR($ret)
}
|
