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# fadvise64 _______________________________________________________
#
# COMPAT_SYSCALL_DEFINE5(x86_fadvise64, int, fd, unsigned int,
# offset_lo, unsigned int, offset_hi,
# size_t, len, int, advice)
# asmlinkage long sys32_fadvise64(int fd, unsigned offset_lo,
# unsigned offset_hi,
# size_t len, int advice)
#
@define _SYSCALL_COMPAT_FADVISE64_NAME
%(
name = "fadvise64"
%)
@define _SYSCALL_COMPAT_FADVISE64_ARGSTR
%(
argstr = sprintf("%d, %d, %d, %s", fd, offset, len, advice_str)
%)
@define _SYSCALL_COMPAT_FADVISE64_REGARGS
%(
fd = int_arg(1)
offset = ((uint_arg(3) << 32) | uint_arg(2))
len = int_arg(4)
advice = int_arg(5)
advice_str = _fadvice_advice_str(advice)
%)
@define _SYSCALL_COMPAT_FADVISE64_REGARGS_STORE
%(
if (@probewrite(fd))
set_int_arg(1, fd)
if (@probewrite(offset)) {
set_uint_arg(2, offset & 0xffffffff)
set_uint_arg(3, offset >> 32)
}
if (@probewrite(len))
set_int_arg(4, len)
if (@probewrite(advice))
set_int_arg(5, advice)
%)
@define _SYSCALL_COMPAT_FADVISE64_64_REGARGS
%(
fd = int_arg(1)
offset = ((uint_arg(3) << 32) | uint_arg(2))
len = ((uint_arg(5) << 32) | uint_arg(4))
advice = int_arg(6)
advice_str = _fadvice_advice_str(advice)
%)
@define _SYSCALL_COMPAT_FADVISE64_64_REGARGS_STORE
%(
if (@probewrite(fd))
set_int_arg(1, fd)
if (@probewrite(offset)) {
set_uint_arg(2, offset & 0xffffffff)
set_uint_arg(3, offset >> 32)
}
if (@probewrite(len)) {
set_uint_arg(4, len & 0xffffffff)
set_uint_arg(5, len >> 32)
}
if (@probewrite(advice))
set_int_arg(6, advice)
%)
probe syscall.compat_fadvise64 = dw_syscall.compat_fadvise64 !,
nd_syscall.compat_fadvise64 ? {}
probe syscall.compat_fadvise64.return = dw_syscall.compat_fadvise64.return !,
nd_syscall.compat_fadvise64.return ? {}
# dw_compat_fadvise64 _____________________________________________________
probe dw_syscall.compat_fadvise64 = kernel.function("sys32_fadvise64").call ?,
kernel.function("compat_sys_x86_fadvise64").call ?
{
@_SYSCALL_COMPAT_FADVISE64_NAME
fd = __int32($fd)
offset = (($offset_hi << 32) | $offset_lo)
len = __int32($len)
advice = __int32($advice)
advice_str = _fadvice_advice_str(advice)
@_SYSCALL_COMPAT_FADVISE64_ARGSTR
}
probe dw_syscall.compat_fadvise64.return =
kernel.function("sys32_fadvise64").return ?,
kernel.function("compat_sys_x86_fadvise64").return ?
{
@_SYSCALL_COMPAT_FADVISE64_NAME
@SYSC_RETVALSTR($return)
}
# nd_compat_fadvise64 _____________________________________________________
probe nd_syscall.compat_fadvise64 = nd1_syscall.compat_fadvise64!, nd2_syscall.compat_fadvise64!, tp_syscall.compat_fadvise64
{ }
probe nd1_syscall.compat_fadvise64 = kprobe.function("sys32_fadvise64") ?,
kprobe.function("compat_sys_x86_fadvise64") ?
{
asmlinkage()
@_SYSCALL_COMPAT_FADVISE64_NAME
@_SYSCALL_COMPAT_FADVISE64_REGARGS
@_SYSCALL_COMPAT_FADVISE64_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.compat_fadvise64 =
kprobe.function(@arch_syscall_prefix "compat_sys_x86_fadvise64") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_COMPAT_FADVISE64_NAME
@_SYSCALL_COMPAT_FADVISE64_REGARGS
@_SYSCALL_COMPAT_FADVISE64_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_COMPAT_FADVISE64_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_fadvise64 = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_ia32_fadvise64"))
@_SYSCALL_COMPAT_FADVISE64_NAME
@_SYSCALL_COMPAT_FADVISE64_REGARGS
@_SYSCALL_COMPAT_FADVISE64_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_COMPAT_FADVISE64_REGARGS_STORE %)
}
probe nd_syscall.compat_fadvise64.return = nd1_syscall.compat_fadvise64.return!, nd2_syscall.compat_fadvise64.return!, tp_syscall.compat_fadvise64.return
{ }
probe nd1_syscall.compat_fadvise64.return =
kprobe.function("sys32_fadvise64").return ?,
kprobe.function("compat_sys_x86_fadvise64").return ?
{
@_SYSCALL_COMPAT_FADVISE64_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.compat_fadvise64.return =
kprobe.function(@arch_syscall_prefix "compat_sys_x86_fadvise64").return ?
{
@_SYSCALL_COMPAT_FADVISE64_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_fadvise64.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_ia32_fadvise64"))
@_SYSCALL_COMPAT_FADVISE64_NAME
@SYSC_RETVALSTR($ret)
}
# fadvise64_64 __________________________________________________
#
# COMPAT_SYSCALL_DEFINE6(x86_fadvise64_64, int, fd, __u32, offset_low,
# __u32, offset_high, __u32, len_low, __u32,
# len_high, int, advice)
# long sys32_fadvise64_64(int fd, __u32 offset_low, __u32 offset_high,
# __u32 len_low, __u32 len_high, int advice)
probe syscall.compat_fadvise64_64 = dw_syscall.compat_fadvise64_64 !,
nd_syscall.compat_fadvise64_64 ? {}
probe syscall.compat_fadvise64_64.return = dw_syscall.compat_fadvise64_64.return !,
nd_syscall.compat_fadvise64_64.return ? {}
# dw_compat_fadvise64_64 _____________________________________________________
probe dw_syscall.compat_fadvise64_64 = kernel.function("sys32_fadvise64_64").call ?,
kernel.function("compat_sys_x86_fadvise64_64").call ?
{
@_SYSCALL_COMPAT_FADVISE64_NAME
fd = __int32($fd)
offset = (($offset_high << 32) | $offset_low)
len = (($len_high << 32) | $len_low)
advice = __int32($advice)
advice_str = _fadvice_advice_str(advice)
@_SYSCALL_COMPAT_FADVISE64_ARGSTR
}
probe dw_syscall.compat_fadvise64_64.return =
kernel.function("sys32_fadvise64_64").return ?,
kernel.function("compat_sys_x86_fadvise64_64").return ?
{
@_SYSCALL_COMPAT_FADVISE64_NAME
@SYSC_RETVALSTR($return)
}
# nd_compat_fadvise64_64 _____________________________________________________
probe nd_syscall.compat_fadvise64_64 = nd1_syscall.compat_fadvise64_64!, nd2_syscall.compat_fadvise64_64!, tp_syscall.compat_fadvise64_64
{ }
probe nd1_syscall.compat_fadvise64_64 = kprobe.function("sys32_fadvise64_64") ?,
kprobe.function("compat_sys_x86_fadvise64_64") ?
{
@_SYSCALL_COMPAT_FADVISE64_NAME
@_SYSCALL_COMPAT_FADVISE64_64_REGARGS
@_SYSCALL_COMPAT_FADVISE64_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.compat_fadvise64_64 =
kprobe.function(@arch_syscall_prefix "compat_sys_x86_fadvise64_64") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_COMPAT_FADVISE64_NAME
@_SYSCALL_COMPAT_FADVISE64_64_REGARGS
@_SYSCALL_COMPAT_FADVISE64_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_COMPAT_FADVISE64_64_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_fadvise64_64 = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_ia32_fadvise64_64"))
@_SYSCALL_COMPAT_FADVISE64_NAME
@_SYSCALL_COMPAT_FADVISE64_64_REGARGS
@_SYSCALL_COMPAT_FADVISE64_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_COMPAT_FADVISE64_64_REGARGS_STORE %)
}
probe nd_syscall.compat_fadvise64_64.return = nd1_syscall.compat_fadvise64_64.return!, nd2_syscall.compat_fadvise64_64.return!, tp_syscall.compat_fadvise64_64.return
{ }
probe nd1_syscall.compat_fadvise64_64.return =
kprobe.function("sys32_fadvise64_64").return ?,
kprobe.function("compat_sys_x86_fadvise64_64").return ?
{
@_SYSCALL_COMPAT_FADVISE64_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.compat_fadvise64_64.return =
kprobe.function(@arch_syscall_prefix "compat_sys_x86_fadvise64_64").return ?
{
@_SYSCALL_COMPAT_FADVISE64_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_fadvise64_64.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_ia32_fadvise64_64"))
@_SYSCALL_COMPAT_FADVISE64_NAME
@SYSC_RETVALSTR($ret)
}