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|
# semtimedop _________________________________________________
#
# long sys_semtimedop(int semid,
# struct sembuf __user *tsops,
# unsigned nsops,
# const struct timespec __user *timeout)
#
@define _SYSCALL_SEMTIMEDOP_NAME
%(
name = "semtimedop"
%)
@define _SYSCALL_SEMTIMEDOP_ARGSTR
%(
argstr = sprintf("%d, %p, %u, %s", semid, sops_uaddr, nsops, timeout_str)
%)
probe syscall.semtimedop = dw_syscall.semtimedop !, nd_syscall.semtimedop ? {}
probe syscall.semtimedop.return = dw_syscall.semtimedop.return !,
nd_syscall.semtimedop.return ? {}
# dw_semtimedop _____________________________________________________
probe dw_syscall.semtimedop = kernel.function("sys_semtimedop").call ?
{
# Since semop() can be implemented via semtimedop(), we need
# to make sure this is a real semtimedop syscall (or a
# multiplexed one via ipc()).
@__syscall_gate2(@const("__NR_semtimedop"), @const("__NR_ipc"))
@_SYSCALL_SEMTIMEDOP_NAME
semid = __int32($semid)
sops_uaddr = $tsops
nsops = __uint32($nsops)
timeout_uaddr = $timeout
timeout_str = _struct_timespec_u(timeout_uaddr, 1)
@_SYSCALL_SEMTIMEDOP_ARGSTR
}
probe dw_syscall.semtimedop.return = kernel.function("sys_semtimedop").return ?
{
@__syscall_gate2(@const("__NR_semtimedop"), @const("__NR_ipc"))
@_SYSCALL_SEMTIMEDOP_NAME
@SYSC_RETVALSTR($return)
}
# nd_semtimedop _____________________________________________________
probe nd_syscall.semtimedop = nd1_syscall.semtimedop!, nd2_syscall.semtimedop!, tp_syscall.semtimedop
{ }
probe nd1_syscall.semtimedop = kprobe.function("sys_semtimedop") ?
{
@__syscall_gate2(@const("__NR_semtimedop"), @const("__NR_ipc"))
@_SYSCALL_SEMTIMEDOP_NAME
asmlinkage()
semid = int_arg(1)
sops_uaddr = pointer_arg(2)
nsops = uint_arg(3)
timeout_uaddr = pointer_arg(4)
timeout_str = _struct_timespec_u(timeout_uaddr, 1)
@_SYSCALL_SEMTIMEDOP_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.semtimedop = kprobe.function(@arch_syscall_prefix "sys_semtimedop") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_SEMTIMEDOP_NAME
semid = int_arg(1)
sops_uaddr = pointer_arg(2)
nsops = uint_arg(3)
timeout_uaddr = pointer_arg(4)
timeout_str = _struct_timespec_u(timeout_uaddr, 1)
@_SYSCALL_SEMTIMEDOP_ARGSTR
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.semtimedop = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_gate(@const("__NR_semtimedop"))
@_SYSCALL_SEMTIMEDOP_NAME
semid = int_arg(1)
sops_uaddr = pointer_arg(2)
nsops = uint_arg(3)
timeout_uaddr = pointer_arg(4)
timeout_str = _struct_timespec_u(timeout_uaddr, 1)
@_SYSCALL_SEMTIMEDOP_ARGSTR
}
probe nd_syscall.semtimedop.return = nd1_syscall.semtimedop.return!, nd2_syscall.semtimedop.return!, tp_syscall.semtimedop.return
{ }
probe nd1_syscall.semtimedop.return = kprobe.function("sys_semtimedop").return ?
{
@__syscall_gate2(@const("__NR_semtimedop"), @const("__NR_ipc"))
@_SYSCALL_SEMTIMEDOP_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.semtimedop.return = kprobe.function(@arch_syscall_prefix "sys_semtimedop").return ?
{
@_SYSCALL_SEMTIMEDOP_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.semtimedop.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_gate(@const("__NR_semtimedop"))
@_SYSCALL_SEMTIMEDOP_NAME
@SYSC_RETVALSTR($ret)
}
# compat_sys_semtimedop ________________________________________
#
# long compat_sys_semtimedop(int semid, struct sembuf __user *tsems,
# unsigned nsops, const struct compat_timespec __user *timeout)
#
probe syscall.compat_sys_semtimedop = dw_syscall.compat_sys_semtimedop !,
nd_syscall.compat_sys_semtimedop ? {}
probe syscall.compat_sys_semtimedop.return = dw_syscall.compat_sys_semtimedop.return !,
nd_syscall.compat_sys_semtimedop.return ? {}
# dw_compat_sys_semtimedop _____________________________________________________
probe dw_syscall.compat_sys_semtimedop = __syscall.compat_semtimedop ?,
__syscall.compat_ipc.semtimedop ?
{
@_SYSCALL_SEMTIMEDOP_NAME
timeout_str = _struct_compat_timespec_u(timeout_uaddr, 1)
@_SYSCALL_SEMTIMEDOP_ARGSTR
}
probe __syscall.compat_semtimedop =
kernel.function("compat_sys_semtimedop").call ?
{
@__compat_syscall_gate_negative(@const("__NR_compat_ipc"))
semid = __int32($semid)
sops_uaddr = $tsems
nsops = __uint32($nsops)
timeout_uaddr = $timeout
}
probe __syscall.compat_ipc.semtimedop =
kernel.function("compat_sys_ipc").call ?,
kernel.function("sys32_ipc").call ?
{
if ($call != @const("SEMTIMEDOP")) next;
semid = __int32($first)
sops_uaddr = $ptr
nsops = __uint32($second)
timeout_uaddr = @choose_defined($fifth, $third)
}
probe dw_syscall.compat_sys_semtimedop.return =
__syscall.compat_sys_semtimedop.return ?,
__syscall.compat_ipc.semtimedop.return ?
{
@_SYSCALL_SEMTIMEDOP_NAME
@SYSC_RETVALSTR($return)
}
probe __syscall.compat_sys_semtimedop.return =
kernel.function("compat_sys_semtimedop").return ?
{
@__compat_syscall_gate_negative(@const("__NR_compat_ipc"))
}
probe __syscall.compat_ipc.semtimedop.return =
kernel.function("compat_sys_ipc").return ?,
kernel.function("sys32_ipc").return ?
{
if (@entry($call) != @const("SEMTIMEDOP")) next;
}
# nd_compat_sys_semtimedop _____________________________________________________
probe nd_syscall.compat_sys_semtimedop = nd1_syscall.compat_sys_semtimedop!, nd2_syscall.compat_sys_semtimedop!, tp_syscall.compat_sys_semtimedop
{ }
probe nd1_syscall.compat_sys_semtimedop = __nd1_syscall.compat_semtimedop ?,
__nd1_syscall.compat_ipc.semtimedop ?
{
@_SYSCALL_SEMTIMEDOP_NAME
timeout_str = _struct_compat_timespec_u(timeout_uaddr, 1)
@_SYSCALL_SEMTIMEDOP_ARGSTR
}
probe __nd1_syscall.compat_semtimedop =
kprobe.function("compat_sys_semtimedop") ?
{
@__compat_syscall_gate_negative(@const("__NR_compat_ipc"))
semid = int_arg(1)
sops_uaddr = pointer_arg(2)
nsops = uint_arg(3)
timeout_uaddr = pointer_arg(4)
}
probe __nd1_syscall.compat_ipc.semtimedop =
__nd1_syscall.compat_ipc.semtimedop.sys_ipc ?,
__nd1_syscall.compat_ipc.semtimedop.sys32_ipc ?
{
if (int_arg(1) != @const("SEMTIMEDOP")) next;
semid = int_arg(2)
sops_uaddr = pointer_arg(5)
nsops = uint_arg(3)
}
probe __nd1_syscall.compat_ipc.semtimedop.sys_ipc =
kprobe.function("compat_sys_ipc") ?
{
timeout_uaddr = pointer_arg(6)
}
probe __nd1_syscall.compat_ipc.semtimedop.sys32_ipc =
kprobe.function("sys32_ipc") ?
{
%( arch == "s390" %?
timeout_uaddr = pointer_arg(4)
%:
timeout_uaddr = pointer_arg(6)
%)
}
/* kernel 4.17+ */
probe nd2_syscall.compat_sys_semtimedop =
kprobe.function(@arch_syscall_prefix "compat_sys_ipc") ?
{
__set_syscall_pt_regs(pointer_arg(1))
if (int_arg(1) != @const("SEMTIMEDOP")) next;
@_SYSCALL_SEMTIMEDOP_NAME
semid = int_arg(2)
sops_uaddr = pointer_arg(5)
nsops = uint_arg(3)
timeout_uaddr = pointer_arg(6)
timeout_str = _struct_compat_timespec_u(timeout_uaddr, 1)
@_SYSCALL_SEMTIMEDOP_ARGSTR
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_sys_semtimedop = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat_ipc"))
if (int_arg(1) != @const("SEMTIMEDOP")) next;
@_SYSCALL_SEMTIMEDOP_NAME
semid = int_arg(2)
sops_uaddr = pointer_arg(5)
nsops = uint_arg(3)
timeout_uaddr = pointer_arg(6)
timeout_str = _struct_compat_timespec_u(timeout_uaddr, 1)
@_SYSCALL_SEMTIMEDOP_ARGSTR
}
probe nd_syscall.compat_sys_semtimedop.return = nd1_syscall.compat_sys_semtimedop.return!, nd2_syscall.compat_sys_semtimedop.return!, tp_syscall.compat_sys_semtimedop.return
{ }
probe nd1_syscall.compat_sys_semtimedop.return =
__nd1_syscall.compat_sys_semtimedop.return ?,
__nd1_syscall.compat_ipc.semtimedop.return ?
{
@_SYSCALL_SEMTIMEDOP_NAME
@SYSC_RETVALSTR(returnval())
}
probe __nd1_syscall.compat_sys_semtimedop.return =
kprobe.function("compat_sys_semtimedop").return ?
{
@__compat_syscall_gate_negative(@const("__NR_compat_ipc"))
}
probe __nd1_syscall.compat_ipc.semtimedop.return =
kprobe.function("compat_sys_ipc").return ?,
kprobe.function("sys32_ipc").return ?
{
if (@entry(int_arg(1)) != @const("SEMTIMEDOP")) next;
}
/* kernel 4.17+ */
probe nd2_syscall.compat_sys_semtimedop.return =
kprobe.function(@arch_syscall_prefix "compat_sys_ipc").return ?
{
__set_syscall_pt_regs(@entry(pointer_arg(1)))
if (int_arg(1) != @const("SEMTIMEDOP")) next;
@_SYSCALL_SEMTIMEDOP_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_sys_semtimedop.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat_ipc"))
if (int_arg(1) != @const("SEMTIMEDOP")) next;
@_SYSCALL_SEMTIMEDOP_NAME
@SYSC_RETVALSTR($ret)
}
|
