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Linux host1.absolutelystunningcenterpieces.com 3.10.0-957.21.3.el7.x86_64 #1 SMP Tue Jun 18 16:35:19 UTC 2019 x86_64
Apache
69.167.136.200

File Name : sysc_compat_lookup_dcookie.stp

# lookup_dcookie _____________________________________________
# COMPAT_SYSCALL_DEFINE4(lookup_dcookie, u32, w0, u32, w1, char __user *,
#                        buf, compat_size_t, len)
# long sys32_lookup_dcookie(u32 addr_low, u32 addr_high, char __user *buf,
#                           size_t len)
#

@define _SYSCALL_COMPAT_LOOKUP_DCOOKIE_NAME
%(
	name = "lookup_dcookie"
%)

@define _SYSCALL_COMPAT_LOOKUP_DCOOKIE_ARGSTR
%(
	argstr = sprintf("%#lx, %p, %#x", cookie, buffer_uaddr, len)
%)

@define _SYSCALL_COMPAT_LOOKUP_DCOOKIE_REGARGS
%(
        cookie = ((uint_arg(2) << 32) | uint_arg(1))
        buffer_uaddr = pointer_arg(3)
        len = ulong_arg(4)
%)

probe syscall.compat_lookup_dcookie = dw_syscall.compat_lookup_dcookie !,
                                      nd_syscall.compat_lookup_dcookie ? {}
probe syscall.compat_lookup_dcookie.return = dw_syscall.compat_lookup_dcookie.return !,
                                             nd_syscall.compat_lookup_dcookie.return ? {}

# dw_compat_lookup_dcookie _____________________________________________________

probe dw_syscall.compat_lookup_dcookie =
		kernel.function("compat_sys_lookup_dcookie") ?,
		kernel.function("sys32_lookup_dcookie") ?
{
        @_SYSCALL_COMPAT_LOOKUP_DCOOKIE_NAME
        cookie = (@choose_defined($w1, $addr_high) << 32 | @choose_defined($w0, $addr_low))
        buffer_uaddr = $buf
        len = __ulong($len)
        @_SYSCALL_COMPAT_LOOKUP_DCOOKIE_ARGSTR
}
probe dw_syscall.compat_lookup_dcookie.return =
		kernel.function("compat_sys_lookup_dcookie").return ?,
		kernel.function("sys32_lookup_dcookie").return ?
{
        @_SYSCALL_COMPAT_LOOKUP_DCOOKIE_NAME
        @SYSC_RETVALSTR($return)
}

# nd_compat_lookup_dcookie _____________________________________________________

probe nd_syscall.compat_lookup_dcookie = nd1_syscall.compat_lookup_dcookie!, nd2_syscall.compat_lookup_dcookie!, tp_syscall.compat_lookup_dcookie
  { }

probe nd1_syscall.compat_lookup_dcookie =
		kprobe.function("compat_sys_lookup_dcookie") ?,
		kprobe.function("sys32_lookup_dcookie") ?
{
        @_SYSCALL_COMPAT_LOOKUP_DCOOKIE_NAME
        asmlinkage()
	@_SYSCALL_COMPAT_LOOKUP_DCOOKIE_REGARGS
        @_SYSCALL_COMPAT_LOOKUP_DCOOKIE_ARGSTR
}

/* kernel 4.17+ */
probe nd2_syscall.compat_lookup_dcookie = kprobe.function(@arch_syscall_prefix "compat_sys_lookup_dcookie") ?
{
	__set_syscall_pt_regs(pointer_arg(1))
	@_SYSCALL_COMPAT_LOOKUP_DCOOKIE_NAME
	@_SYSCALL_COMPAT_LOOKUP_DCOOKIE_REGARGS
	@_SYSCALL_COMPAT_LOOKUP_DCOOKIE_ARGSTR
}

/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_lookup_dcookie = kernel.trace("sys_enter")
{
	__set_syscall_pt_regs($regs)
	@__compat_syscall_gate(@const("__NR_ia32_lookup_dcookie"))
	@_SYSCALL_COMPAT_LOOKUP_DCOOKIE_NAME
	@_SYSCALL_COMPAT_LOOKUP_DCOOKIE_REGARGS
	@_SYSCALL_COMPAT_LOOKUP_DCOOKIE_ARGSTR
}

probe nd_syscall.compat_lookup_dcookie.return = nd1_syscall.compat_lookup_dcookie.return!, nd2_syscall.compat_lookup_dcookie.return!, tp_syscall.compat_lookup_dcookie.return
  { }
  
probe nd1_syscall.compat_lookup_dcookie.return =
		kprobe.function("compat_sys_lookup_dcookie").return ?,
		kprobe.function("sys32_lookup_dcookie").return ?
{
        @_SYSCALL_COMPAT_LOOKUP_DCOOKIE_NAME
        @SYSC_RETVALSTR(returnval())
}

/* kernel 4.17+ */
probe nd2_syscall.compat_lookup_dcookie.return = kprobe.function(@arch_syscall_prefix "compat_sys_lookup_dcookie").return ?
{
	@_SYSCALL_COMPAT_LOOKUP_DCOOKIE_NAME
	@SYSC_RETVALSTR(returnval())
}
 
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_lookup_dcookie.return = kernel.trace("sys_exit")
{
	__set_syscall_pt_regs($regs)
	@__compat_syscall_gate(@const("__NR_ia32_lookup_dcookie"))
	@_SYSCALL_COMPAT_LOOKUP_DCOOKIE_NAME
	@SYSC_RETVALSTR($ret)
}

System Information
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Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/root	0755	2019-11-07 02:51:27
..	dir	-	root/root	0755	2019-11-07 02:51:27
aux_syscalls.stp	file	3.58 KB	root/root	0644	2019-10-18 04:12:13
sysc_arch_prctl.stp	file	3.21 KB	root/root	0644	2019-10-18 04:12:13
sysc_compat_execve.stp	file	1.59 KB	root/root	0644	2019-10-18 04:12:13
sysc_compat_fadvise64.stp	file	6.92 KB	root/root	0644	2019-10-18 04:12:13
sysc_compat_fallocate.stp	file	3.54 KB	root/root	0644	2019-10-18 04:12:13
sysc_compat_ftruncate64.stp	file	3.34 KB	root/root	0644	2019-10-18 04:12:13
sysc_compat_lookup_dcookie.stp	file	3.72 KB	root/root	0644	2019-10-18 04:12:13
sysc_compat_readahead.stp	file	3.18 KB	root/root	0644	2019-10-18 04:12:13
sysc_compat_truncate64.stp	file	3.45 KB	root/root	0644	2019-10-18 04:12:13
sysc_execve.stp	file	1.62 KB	root/root	0644	2019-10-18 04:12:13
sysc_get_thread_area.stp	file	3.18 KB	root/root	0644	2019-10-18 04:12:13
sysc_iopl.stp	file	2.27 KB	root/root	0644	2019-10-18 04:12:13
sysc_mmap.stp	file	4.04 KB	root/root	0644	2019-10-18 04:12:13
sysc_mmap2.stp	file	2.62 KB	root/root	0644	2019-10-18 04:12:13
sysc_pipe32.stp	file	1.54 KB	root/root	0644	2019-10-18 04:12:13
sysc_set_thread_area.stp	file	3.13 KB	root/root	0644	2019-10-18 04:12:13
sysc_sigaltstack.stp	file	2.24 KB	root/root	0644	2019-10-18 04:12:13
sysc_sysctl32.stp	file	1.12 KB	root/root	0644	2019-10-18 04:12:13
sysc_vm86_warning.stp	file	1.17 KB	root/root	0644	2019-10-18 04:12:13
syscall_num.stp	file	53.77 KB	root/root	0644	2019-10-18 04:12:13