syscall: add ptracePtr that accepts pointer arg as unsafe.Pointer

The existing ptrace wrapper accepts pointer argument as an uintptr which
often points to the memory allocated in Go. This violates unsafe.Pointer safety
rules.

Fixes #58387

Change-Id: Iab12122c495953f94ea00c2a61654a818a464205
Reviewed-on: https://go-review.googlesource.com/c/go/+/470299
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Dmitri Goutnik <dgoutnik@gmail.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Dmitri Goutnik <dgoutnik@gmail.com>

diff --git a/src/syscall/mksyscall.pl b/src/syscall/mksyscall.pl
index 25ab911b7c6a46a958daf60ef76dafd70cb7d628..075eb1f396afff6de0a6bcfa6f6432f0aeb3955f 100755 (executable)
--- a/src/syscall/mksyscall.pl
+++ b/src/syscall/mksyscall.pl
@@ -137,7 +137,7 @@ while(<>) {
        # without reading the header.
        $text .= "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n";
 
-       if (($darwin && $func eq "ptrace1") || (($openbsd && $libc) && $func eq "ptrace")) {
+       if (($darwin && $func =~ /^ptrace1(Ptr)?$/) || (($openbsd && $libc) && $func =~ /^ptrace(Ptr)?$/)) {
                # The ptrace function is called from forkAndExecInChild where stack
                # growth is forbidden.
                $text .= "//go:nosplit\n"

diff --git a/src/syscall/mksyscall_libc.pl b/src/syscall/mksyscall_libc.pl
index 37314765d8c92cd6ab146e942c937ae01f266e35..3746c1e3a7d9a7cb1a62bdbdcbfe4c89dd297624 100755 (executable)
--- a/src/syscall/mksyscall_libc.pl
+++ b/src/syscall/mksyscall_libc.pl
@@ -145,11 +145,13 @@ while(<>) {
        $sysname =~ y/A-Z/a-z/; # All libc functions are lowercase.
 
        # Runtime import of function to allow cross-platform builds.
-       $dynimports .= "//go:cgo_import_dynamic ${sysvarname} ${sysname} \"$modname\"\n";
-       # Link symbol to proc address variable.
-       $linknames .= "//go:linkname ${sysvarname} ${sysvarname}\n";
-       # Library proc address variable.
-       push @vars, $sysvarname;
+       if($dynimports !~ /\s+${sysvarname}\s+/) {
+               $dynimports .= "//go:cgo_import_dynamic ${sysvarname} ${sysname} \"$modname\"\n";
+               # Link symbol to proc address variable.
+               $linknames .= "//go:linkname ${sysvarname} ${sysvarname}\n";
+               # Library proc address variable.
+               push @vars, $sysvarname;
+       }
 
        # Go function header.
        $out = join(', ', @out);

diff --git a/src/syscall/ptrace_darwin.go b/src/syscall/ptrace_darwin.go
index 519e451c73ff94a5f27e8f6d29330823253fc941..466f8135b4c6535d3f35eaef936c647106165286 100644 (file)
--- a/src/syscall/ptrace_darwin.go
+++ b/src/syscall/ptrace_darwin.go
@@ -6,9 +6,16 @@
 
 package syscall
 
+import "unsafe"
+
 // Nosplit because it is called from forkAndExecInChild.
 //
 //go:nosplit
 func ptrace(request int, pid int, addr uintptr, data uintptr) error {
        return ptrace1(request, pid, addr, data)
 }
+
+//go:nosplit
+func ptracePtr(request int, pid int, addr unsafe.Pointer, data uintptr) error {
+       return ptrace1Ptr(request, pid, addr, data)
+}

diff --git a/src/syscall/ptrace_ios.go b/src/syscall/ptrace_ios.go
index fa8d0007154997b549453df1ebd3c008ac762f7a..a9b291845bea20ebeb3b4e95f66ade421651d634 100644 (file)
--- a/src/syscall/ptrace_ios.go
+++ b/src/syscall/ptrace_ios.go
@@ -6,9 +6,16 @@
 
 package syscall
 
+import "unsafe"
+
 // Nosplit because it is called from forkAndExecInChild.
 //
 //go:nosplit
 func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) {
        panic("unimplemented")
 }
+
+//go:nosplit
+func ptracePtr(request int, pid int, addr unsafe.Pointer, data uintptr) (err error) {
+       panic("unimplemented")
+}

diff --git a/src/syscall/syscall_aix.go b/src/syscall/syscall_aix.go
index 807990f3c0c5f6ecc89c721a59789d1a079bcb0f..ba1b50e0fcb05bfdfbe3fd3bc17616f34f3565d6 100644 (file)
--- a/src/syscall/syscall_aix.go
+++ b/src/syscall/syscall_aix.go
@@ -505,6 +505,7 @@ func (w WaitStatus) TrapCause() int { return -1 }
 
 //sys  Openat(dirfd int, path string, flags int, mode uint32) (fd int, err error)
 //sys  ptrace64(request int, id int64, addr int64, data int, buff uintptr) (err error)
+//sys  ptrace64Ptr(request int, id int64, addr int64, data int, buff unsafe.Pointer) (err error) = ptrace64
 
 func raw_ptrace(request int, pid int, addr *byte, data *byte) Errno {
        if request == PTRACE_TRACEME {
@@ -525,7 +526,7 @@ func ptracePeek(pid int, addr uintptr, out []byte) (count int, err error) {
                if bsize > 1024 {
                        bsize = 1024
                }
-               err = ptrace64(PT_READ_BLOCK, int64(pid), int64(addr), bsize, uintptr(unsafe.Pointer(&out[0])))
+               err = ptrace64Ptr(PT_READ_BLOCK, int64(pid), int64(addr), bsize, unsafe.Pointer(&out[0]))
                if err != nil {
                        return 0, err
                }
@@ -551,7 +552,7 @@ func ptracePoke(pid int, addr uintptr, data []byte) (count int, err error) {
                if bsize > 1024 {
                        bsize = 1024
                }
-               err = ptrace64(PT_WRITE_BLOCK, int64(pid), int64(addr), bsize, uintptr(unsafe.Pointer(&data[0])))
+               err = ptrace64Ptr(PT_WRITE_BLOCK, int64(pid), int64(addr), bsize, unsafe.Pointer(&data[0]))
                if err != nil {
                        return 0, err
                }

diff --git a/src/syscall/syscall_darwin_amd64.go b/src/syscall/syscall_darwin_amd64.go
index ef3c1998aada5b5d4a61dbc07b548a592aa12fae..52ca3c8d5aeac4da1f4ec5628da1634823e741dc 100644 (file)
--- a/src/syscall/syscall_darwin_amd64.go
+++ b/src/syscall/syscall_darwin_amd64.go
@@ -25,6 +25,7 @@ func setTimeval(sec, usec int64) Timeval {
 //sys  Statfs(path string, stat *Statfs_t) (err error) = SYS_statfs64
 //sys   fstatat(fd int, path string, stat *Stat_t, flags int) (err error) = SYS_fstatat64
 //sys   ptrace1(request int, pid int, addr uintptr, data uintptr) (err error) = SYS_ptrace
+//sys   ptrace1Ptr(request int, pid int, addr unsafe.Pointer, data uintptr) (err error) = SYS_ptrace
 
 func SetKevent(k *Kevent_t, fd, mode, flags int) {
        k.Ident = uint64(fd)

diff --git a/src/syscall/syscall_darwin_arm64.go b/src/syscall/syscall_darwin_arm64.go
index cea42772bbccf180514bfd26b2df1c6f22420efb..d5da988117850921cc5ad046a37d69f51aa5302a 100644 (file)
--- a/src/syscall/syscall_darwin_arm64.go
+++ b/src/syscall/syscall_darwin_arm64.go
@@ -25,6 +25,7 @@ func setTimeval(sec, usec int64) Timeval {
 //sys  Statfs(path string, stat *Statfs_t) (err error)
 //sys  fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
 //sys  ptrace1(request int, pid int, addr uintptr, data uintptr) (err error) = SYS_ptrace
+//sys  ptrace1Ptr(request int, pid int, addr unsafe.Pointer, data uintptr) (err error) = SYS_ptrace
 
 func SetKevent(k *Kevent_t, fd, mode, flags int) {
        k.Ident = uint64(fd)

diff --git a/src/syscall/syscall_linux.go b/src/syscall/syscall_linux.go
index f337388a749e372113b9cd84e23c8c8e8016dd7d..c1f43bf43dcb0aa56ad97b2c3dac0d39eb2ec615 100644 (file)
--- a/src/syscall/syscall_linux.go
+++ b/src/syscall/syscall_linux.go
@@ -828,6 +828,7 @@ func BindToDevice(fd int, device string) (err error) {
 }
 
 //sys  ptrace(request int, pid int, addr uintptr, data uintptr) (err error)
+//sys  ptracePtr(request int, pid int, addr uintptr, data unsafe.Pointer) (err error) = SYS_PTRACE
 
 func ptracePeek(req int, pid int, addr uintptr, out []byte) (count int, err error) {
        // The peek requests are machine-size oriented, so we wrap it
@@ -845,7 +846,7 @@ func ptracePeek(req int, pid int, addr uintptr, out []byte) (count int, err erro
        // boundary.
        n := 0
        if addr%sizeofPtr != 0 {
-               err = ptrace(req, pid, addr-addr%sizeofPtr, uintptr(unsafe.Pointer(&buf[0])))
+               err = ptracePtr(req, pid, addr-addr%sizeofPtr, unsafe.Pointer(&buf[0]))
                if err != nil {
                        return 0, err
                }
@@ -857,7 +858,7 @@ func ptracePeek(req int, pid int, addr uintptr, out []byte) (count int, err erro
        for len(out) > 0 {
                // We use an internal buffer to guarantee alignment.
                // It's not documented if this is necessary, but we're paranoid.
-               err = ptrace(req, pid, addr+uintptr(n), uintptr(unsafe.Pointer(&buf[0])))
+               err = ptracePtr(req, pid, addr+uintptr(n), unsafe.Pointer(&buf[0]))
                if err != nil {
                        return n, err
                }
@@ -885,7 +886,7 @@ func ptracePoke(pokeReq int, peekReq int, pid int, addr uintptr, data []byte) (c
        n := 0
        if addr%sizeofPtr != 0 {
                var buf [sizeofPtr]byte
-               err = ptrace(peekReq, pid, addr-addr%sizeofPtr, uintptr(unsafe.Pointer(&buf[0])))
+               err = ptracePtr(peekReq, pid, addr-addr%sizeofPtr, unsafe.Pointer(&buf[0]))
                if err != nil {
                        return 0, err
                }
@@ -912,7 +913,7 @@ func ptracePoke(pokeReq int, peekReq int, pid int, addr uintptr, data []byte) (c
        // Trailing edge.
        if len(data) > 0 {
                var buf [sizeofPtr]byte
-               err = ptrace(peekReq, pid, addr+uintptr(n), uintptr(unsafe.Pointer(&buf[0])))
+               err = ptracePtr(peekReq, pid, addr+uintptr(n), unsafe.Pointer(&buf[0]))
                if err != nil {
                        return n, err
                }
@@ -937,11 +938,11 @@ func PtracePokeData(pid int, addr uintptr, data []byte) (count int, err error) {
 }
 
 func PtraceGetRegs(pid int, regsout *PtraceRegs) (err error) {
-       return ptrace(PTRACE_GETREGS, pid, 0, uintptr(unsafe.Pointer(regsout)))
+       return ptracePtr(PTRACE_GETREGS, pid, 0, unsafe.Pointer(regsout))
 }
 
 func PtraceSetRegs(pid int, regs *PtraceRegs) (err error) {
-       return ptrace(PTRACE_SETREGS, pid, 0, uintptr(unsafe.Pointer(regs)))
+       return ptracePtr(PTRACE_SETREGS, pid, 0, unsafe.Pointer(regs))
 }
 
 func PtraceSetOptions(pid int, options int) (err error) {
@@ -950,7 +951,7 @@ func PtraceSetOptions(pid int, options int) (err error) {
 
 func PtraceGetEventMsg(pid int) (msg uint, err error) {
        var data _C_long
-       err = ptrace(PTRACE_GETEVENTMSG, pid, 0, uintptr(unsafe.Pointer(&data)))
+       err = ptracePtr(PTRACE_GETEVENTMSG, pid, 0, unsafe.Pointer(&data))
        msg = uint(data)
        return
 }

diff --git a/src/syscall/syscall_openbsd_libc.go b/src/syscall/syscall_openbsd_libc.go
index 516d02975c530a3ea1aea3b826039f7891797c80..de503cc078bc81b64f1fd914f423e56deff48aea 100644 (file)
--- a/src/syscall/syscall_openbsd_libc.go
+++ b/src/syscall/syscall_openbsd_libc.go
@@ -67,6 +67,7 @@ func syscall9X(fn, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr,
 //sysnb execve(path *byte, argv **byte, envp **byte) (err error)
 //sysnb exit(res int) (err error)
 //sys   ptrace(request int, pid int, addr uintptr, data uintptr) (err error)
+//sys   ptracePtr(request int, pid int, addr unsafe.Pointer, data uintptr) (err error) = SYS_ptrace
 //sysnb getentropy(p []byte) (err error)
 //sys   fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
 //sys  fcntlPtr(fd int, cmd int, arg unsafe.Pointer) (val int, err error) = SYS_fcntl

diff --git a/src/syscall/zsyscall_aix_ppc64.go b/src/syscall/zsyscall_aix_ppc64.go
index c9e2edea242b15959c1036deb77b9fbf82ed255e..56af51c48276fccfeaf9702fa41117598f1668b7 100644 (file)
--- a/src/syscall/zsyscall_aix_ppc64.go
+++ b/src/syscall/zsyscall_aix_ppc64.go
@@ -658,6 +658,16 @@ func ptrace64(request int, id int64, addr int64, data int, buff uintptr) (err er
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ptrace64Ptr(request int, id int64, addr int64, data int, buff unsafe.Pointer) (err error) {
+       _, _, e1 := syscall6(uintptr(unsafe.Pointer(&libc_ptrace64)), 5, uintptr(request), uintptr(id), uintptr(addr), uintptr(data), uintptr(buff), 0)
+       if e1 != 0 {
+               err = errnoErr(e1)
+       }
+       return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Acct(path string) (err error) {
        var _p0 *byte
        _p0, err = BytePtrFromString(path)

diff --git a/src/syscall/zsyscall_darwin_amd64.go b/src/syscall/zsyscall_darwin_amd64.go
index 6b3fff3f3726a224ad1c6bbdc856eec18e73fdfe..4872fbd529e99a060bf35e1fce1455ad0e9ed293 100644 (file)
--- a/src/syscall/zsyscall_darwin_amd64.go
+++ b/src/syscall/zsyscall_darwin_amd64.go
@@ -2022,3 +2022,14 @@ func ptrace1(request int, pid int, addr uintptr, data uintptr) (err error) {
 func libc_ptrace_trampoline()
 
 //go:cgo_import_dynamic libc_ptrace ptrace "/usr/lib/libSystem.B.dylib"
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+//go:nosplit
+func ptrace1Ptr(request int, pid int, addr unsafe.Pointer, data uintptr) (err error) {
+       _, _, e1 := syscall6(abi.FuncPCABI0(libc_ptrace_trampoline), uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
+       if e1 != 0 {
+               err = errnoErr(e1)
+       }
+       return
+}

diff --git a/src/syscall/zsyscall_darwin_arm64.go b/src/syscall/zsyscall_darwin_arm64.go
index 61601449a04043f185cd640cd3599af492d565cd..76d1ff84af2e245ffeadc86b49d3220b5b7b265b 100644 (file)
--- a/src/syscall/zsyscall_darwin_arm64.go
+++ b/src/syscall/zsyscall_darwin_arm64.go
@@ -2022,3 +2022,14 @@ func ptrace1(request int, pid int, addr uintptr, data uintptr) (err error) {
 func libc_ptrace_trampoline()
 
 //go:cgo_import_dynamic libc_ptrace ptrace "/usr/lib/libSystem.B.dylib"
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+//go:nosplit
+func ptrace1Ptr(request int, pid int, addr unsafe.Pointer, data uintptr) (err error) {
+       _, _, e1 := syscall6(abi.FuncPCABI0(libc_ptrace_trampoline), uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
+       if e1 != 0 {
+               err = errnoErr(e1)
+       }
+       return
+}

diff --git a/src/syscall/zsyscall_linux_386.go b/src/syscall/zsyscall_linux_386.go
index 6a646fba4f5fc05cef912c1508ba1c94bd058139..d57f0e980e6e6169cbf8239b7b689fb58a2ef488 100644 (file)
--- a/src/syscall/zsyscall_linux_386.go
+++ b/src/syscall/zsyscall_linux_386.go
@@ -210,6 +210,16 @@ func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ptracePtr(request int, pid int, addr uintptr, data unsafe.Pointer) (err error) {
+       _, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
+       if e1 != 0 {
+               err = errnoErr(e1)
+       }
+       return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error) {
        var _p0 *byte
        _p0, err = BytePtrFromString(arg)

diff --git a/src/syscall/zsyscall_linux_amd64.go b/src/syscall/zsyscall_linux_amd64.go
index d5b0099a9a70e289badfcfc5e3c8c8bdcd2f32ee..a895e55ee5b8c1bc61870dcfd52cffb1fbc0afe6 100644 (file)
--- a/src/syscall/zsyscall_linux_amd64.go
+++ b/src/syscall/zsyscall_linux_amd64.go
@@ -210,6 +210,16 @@ func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ptracePtr(request int, pid int, addr uintptr, data unsafe.Pointer) (err error) {
+       _, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
+       if e1 != 0 {
+               err = errnoErr(e1)
+       }
+       return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error) {
        var _p0 *byte
        _p0, err = BytePtrFromString(arg)

diff --git a/src/syscall/zsyscall_linux_arm.go b/src/syscall/zsyscall_linux_arm.go
index 69f811a0ec7c31aecd0c1a86a8b3b226cc5fa658..86d8e1c2d7e1b4f2b7548141b3fa50899e6d28ea 100644 (file)
--- a/src/syscall/zsyscall_linux_arm.go
+++ b/src/syscall/zsyscall_linux_arm.go
@@ -210,6 +210,16 @@ func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ptracePtr(request int, pid int, addr uintptr, data unsafe.Pointer) (err error) {
+       _, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
+       if e1 != 0 {
+               err = errnoErr(e1)
+       }
+       return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error) {
        var _p0 *byte
        _p0, err = BytePtrFromString(arg)

diff --git a/src/syscall/zsyscall_linux_arm64.go b/src/syscall/zsyscall_linux_arm64.go
index 7655ccbb3d7935a125618caf112daf5458749a90..aed45ebe2559744dd8f5493068a0893718bac2e2 100644 (file)
--- a/src/syscall/zsyscall_linux_arm64.go
+++ b/src/syscall/zsyscall_linux_arm64.go
@@ -210,6 +210,16 @@ func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ptracePtr(request int, pid int, addr uintptr, data unsafe.Pointer) (err error) {
+       _, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
+       if e1 != 0 {
+               err = errnoErr(e1)
+       }
+       return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error) {
        var _p0 *byte
        _p0, err = BytePtrFromString(arg)

diff --git a/src/syscall/zsyscall_linux_loong64.go b/src/syscall/zsyscall_linux_loong64.go
index abbc19be6046bf466015ddaa4c96d85cda2ee28a..95ecce8a671af1f03782d0ac2a67206e2a2a1b32 100644 (file)
--- a/src/syscall/zsyscall_linux_loong64.go
+++ b/src/syscall/zsyscall_linux_loong64.go
@@ -210,6 +210,16 @@ func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ptracePtr(request int, pid int, addr uintptr, data unsafe.Pointer) (err error) {
+       _, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
+       if e1 != 0 {
+               err = errnoErr(e1)
+       }
+       return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error) {
        var _p0 *byte
        _p0, err = BytePtrFromString(arg)

diff --git a/src/syscall/zsyscall_linux_mips.go b/src/syscall/zsyscall_linux_mips.go
index 792668c1d5c3756df3727a0e008a168cf62015db..3d7f0ce8ef330adaff0ac6dd65b15062e821e8ae 100644 (file)
--- a/src/syscall/zsyscall_linux_mips.go
+++ b/src/syscall/zsyscall_linux_mips.go
@@ -210,6 +210,16 @@ func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ptracePtr(request int, pid int, addr uintptr, data unsafe.Pointer) (err error) {
+       _, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
+       if e1 != 0 {
+               err = errnoErr(e1)
+       }
+       return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error) {
        var _p0 *byte
        _p0, err = BytePtrFromString(arg)

diff --git a/src/syscall/zsyscall_linux_mips64.go b/src/syscall/zsyscall_linux_mips64.go
index 27dbcb8a2d24a9e7cc6786522dcc149f40fd4efc..98d50c593dfbf57b17eeb0d11a2f816493f1432a 100644 (file)
--- a/src/syscall/zsyscall_linux_mips64.go
+++ b/src/syscall/zsyscall_linux_mips64.go
@@ -210,6 +210,16 @@ func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ptracePtr(request int, pid int, addr uintptr, data unsafe.Pointer) (err error) {
+       _, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
+       if e1 != 0 {
+               err = errnoErr(e1)
+       }
+       return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error) {
        var _p0 *byte
        _p0, err = BytePtrFromString(arg)

diff --git a/src/syscall/zsyscall_linux_mips64le.go b/src/syscall/zsyscall_linux_mips64le.go
index 0362303c5f4ce40364ec754b0f895aff3f4e793c..b3e25aec2f6ccbb59e3f42d730d55335c1d8026a 100644 (file)
--- a/src/syscall/zsyscall_linux_mips64le.go
+++ b/src/syscall/zsyscall_linux_mips64le.go
@@ -210,6 +210,16 @@ func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ptracePtr(request int, pid int, addr uintptr, data unsafe.Pointer) (err error) {
+       _, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
+       if e1 != 0 {
+               err = errnoErr(e1)
+       }
+       return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error) {
        var _p0 *byte
        _p0, err = BytePtrFromString(arg)

diff --git a/src/syscall/zsyscall_linux_mipsle.go b/src/syscall/zsyscall_linux_mipsle.go
index 5320dfa65a7f53835cfa8179017788866dc72a00..1b4a4468f318838ebc02a2b181de541a0f89a196 100644 (file)
--- a/src/syscall/zsyscall_linux_mipsle.go
+++ b/src/syscall/zsyscall_linux_mipsle.go
@@ -210,6 +210,16 @@ func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ptracePtr(request int, pid int, addr uintptr, data unsafe.Pointer) (err error) {
+       _, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
+       if e1 != 0 {
+               err = errnoErr(e1)
+       }
+       return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error) {
        var _p0 *byte
        _p0, err = BytePtrFromString(arg)

diff --git a/src/syscall/zsyscall_linux_ppc64.go b/src/syscall/zsyscall_linux_ppc64.go
index 61f3063352c8719bd3e15dd04241c5d03366e543..1c521d0fcddc9f36a3d62a4cf4144dbda10fac31 100644 (file)
--- a/src/syscall/zsyscall_linux_ppc64.go
+++ b/src/syscall/zsyscall_linux_ppc64.go
@@ -210,6 +210,16 @@ func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ptracePtr(request int, pid int, addr uintptr, data unsafe.Pointer) (err error) {
+       _, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
+       if e1 != 0 {
+               err = errnoErr(e1)
+       }
+       return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error) {
        var _p0 *byte
        _p0, err = BytePtrFromString(arg)

diff --git a/src/syscall/zsyscall_linux_ppc64le.go b/src/syscall/zsyscall_linux_ppc64le.go
index 3e14ab37a1dfe1ee72de4069bf277e1654a8b0ae..fc0f2ac00e6e9b99fcd4bfdb074c377def411a76 100644 (file)
--- a/src/syscall/zsyscall_linux_ppc64le.go
+++ b/src/syscall/zsyscall_linux_ppc64le.go
@@ -210,6 +210,16 @@ func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ptracePtr(request int, pid int, addr uintptr, data unsafe.Pointer) (err error) {
+       _, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
+       if e1 != 0 {
+               err = errnoErr(e1)
+       }
+       return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error) {
        var _p0 *byte
        _p0, err = BytePtrFromString(arg)

diff --git a/src/syscall/zsyscall_linux_riscv64.go b/src/syscall/zsyscall_linux_riscv64.go
index 4a3fa5dbd86b9163fe6e0abaad80c3c8d73d0d27..cc328fc100e302ff2a0efaad45d542bc95f7fc2b 100644 (file)
--- a/src/syscall/zsyscall_linux_riscv64.go
+++ b/src/syscall/zsyscall_linux_riscv64.go
@@ -210,6 +210,16 @@ func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ptracePtr(request int, pid int, addr uintptr, data unsafe.Pointer) (err error) {
+       _, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
+       if e1 != 0 {
+               err = errnoErr(e1)
+       }
+       return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error) {
        var _p0 *byte
        _p0, err = BytePtrFromString(arg)

diff --git a/src/syscall/zsyscall_linux_s390x.go b/src/syscall/zsyscall_linux_s390x.go
index 1fca71e3044511df36cf355715f0519c15e8fc7b..3c5ee28941b645220db24202fc77c739a7c2db65 100644 (file)
--- a/src/syscall/zsyscall_linux_s390x.go
+++ b/src/syscall/zsyscall_linux_s390x.go
@@ -210,6 +210,16 @@ func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ptracePtr(request int, pid int, addr uintptr, data unsafe.Pointer) (err error) {
+       _, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
+       if e1 != 0 {
+               err = errnoErr(e1)
+       }
+       return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error) {
        var _p0 *byte
        _p0, err = BytePtrFromString(arg)

diff --git a/src/syscall/zsyscall_openbsd_386.go b/src/syscall/zsyscall_openbsd_386.go
index b60af1743d891dd62343b26e410987131c7e80df..953e9616a8b50a3ef255b4b72e8bdd20eeb93709 100644 (file)
--- a/src/syscall/zsyscall_openbsd_386.go
+++ b/src/syscall/zsyscall_openbsd_386.go
@@ -1844,6 +1844,17 @@ func libc_ptrace_trampoline()
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+//go:nosplit
+func ptracePtr(request int, pid int, addr unsafe.Pointer, data uintptr) (err error) {
+       _, _, e1 := syscall6(abi.FuncPCABI0(libc_ptrace_trampoline), uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
+       if e1 != 0 {
+               err = errnoErr(e1)
+       }
+       return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func getentropy(p []byte) (err error) {
        var _p0 unsafe.Pointer
        if len(p) > 0 {

diff --git a/src/syscall/zsyscall_openbsd_amd64.go b/src/syscall/zsyscall_openbsd_amd64.go
index 8b3e81e6bd36f2491575962e0d6cdbeb02019204..8bc7f3d213c3dd7523d5b1db435f78f4e0e0b971 100644 (file)
--- a/src/syscall/zsyscall_openbsd_amd64.go
+++ b/src/syscall/zsyscall_openbsd_amd64.go
@@ -1844,6 +1844,17 @@ func libc_ptrace_trampoline()
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+//go:nosplit
+func ptracePtr(request int, pid int, addr unsafe.Pointer, data uintptr) (err error) {
+       _, _, e1 := syscall6(abi.FuncPCABI0(libc_ptrace_trampoline), uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
+       if e1 != 0 {
+               err = errnoErr(e1)
+       }
+       return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func getentropy(p []byte) (err error) {
        var _p0 unsafe.Pointer
        if len(p) > 0 {

diff --git a/src/syscall/zsyscall_openbsd_arm.go b/src/syscall/zsyscall_openbsd_arm.go
index 42d57812b25d30e379932663c9be592cd564f12e..8184436200aded492ba876947a6fcc704de83075 100644 (file)
--- a/src/syscall/zsyscall_openbsd_arm.go
+++ b/src/syscall/zsyscall_openbsd_arm.go
@@ -1844,6 +1844,17 @@ func libc_ptrace_trampoline()
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+//go:nosplit
+func ptracePtr(request int, pid int, addr unsafe.Pointer, data uintptr) (err error) {
+       _, _, e1 := syscall6(abi.FuncPCABI0(libc_ptrace_trampoline), uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
+       if e1 != 0 {
+               err = errnoErr(e1)
+       }
+       return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func getentropy(p []byte) (err error) {
        var _p0 unsafe.Pointer
        if len(p) > 0 {

diff --git a/src/syscall/zsyscall_openbsd_arm64.go b/src/syscall/zsyscall_openbsd_arm64.go
index 7a5a2c0c819e42f0b1319ab614222b241b0a1930..fe17521e808e5ca403931c96f96eb2ba40646a48 100644 (file)
--- a/src/syscall/zsyscall_openbsd_arm64.go
+++ b/src/syscall/zsyscall_openbsd_arm64.go
@@ -1844,6 +1844,17 @@ func libc_ptrace_trampoline()
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+//go:nosplit
+func ptracePtr(request int, pid int, addr unsafe.Pointer, data uintptr) (err error) {
+       _, _, e1 := syscall6(abi.FuncPCABI0(libc_ptrace_trampoline), uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
+       if e1 != 0 {
+               err = errnoErr(e1)
+       }
+       return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func getentropy(p []byte) (err error) {
        var _p0 unsafe.Pointer
        if len(p) > 0 {