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Keith Randall 8b8bff7bb2 cmd/compile: don't pull constant offsets out of pointer arithmetic 
This could lead to manufacturing a pointer that points outside
its original allocation.

Bug was introduced in CL 629858.

Fixes #71932

Change-Id: Ia86ab0b65ce5f80a8e0f4f4c81babd07c5904f8d
Reviewed-on: https://go-review.googlesource.com/c/go/+/652078
Reviewed-by: Keith Randall <khr@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
2025-02-26 09:39:12 -08:00
..
abi
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
alias3.dir
…
arenas
reflect: fix ArenaNew to match documentation
2023-06-16 17:08:43 +00:00
asmhdr.dir
cmd/compile: use exact constant in go_asm.h
2022-01-10 21:27:19 +00:00
chan
[dev.typeparams] cmd/compile/internal/types2: implement close(ch) where ch is of type parameter type
2021-07-14 23:33:46 +00:00
closure3.dir
cmd/compile: use very high budget for once-called closures
2024-11-22 02:04:41 +00:00
closure5.dir
test: use dot-relative imports where appropriate
2022-03-24 02:14:15 +00:00
codegen
cmd/compile: load properly constant values from itabs
2025-02-19 13:39:00 -08:00
ddd2.dir
…
dwarf
…
fixedbugs
cmd/compile: don't pull constant offsets out of pointer arithmetic
2025-02-26 09:39:12 -08:00
import2.dir
…
import4.dir
go/types, types2: use "and not used" instead of "but not used" in error messages
2022-09-27 21:10:19 +00:00
interface
go/types, types2: more systematic use of Checker.use und useLHS
2023-03-28 14:28:33 +00:00
internal/runtime/sys
runtime: move getcallersp to internal/runtime/sys
2024-09-17 17:01:20 +00:00
intrinsic.dir
runtime,internal: move runtime/internal/sys to internal/runtime/sys
2024-07-23 19:05:35 +00:00
ken
test/ken/slicearray.go: correct type width in comment
2021-12-05 12:50:44 +00:00
linkname.dir
test: compile source files as if from "test" module
2022-03-24 17:50:47 +00:00
linknameasm.dir
cmd/compile: generate args_stackmap for ABI0 assembly func regardless of linkname
2024-06-07 15:22:22 +00:00
method4.dir
…
retjmp.dir
cmd/internal/obj: fix tail call in non-zero frame leaf function on MIPS and S390X
2021-12-13 22:42:08 +00:00
stress
test/stress: fix typo in comment
2024-03-25 19:21:35 +00:00
syntax
cmd/compile: better error message when offending/missing token is a keyword
2024-11-14 02:14:13 +00:00
typeparam
cmd/compile: export/import materialized aliases
2024-04-05 16:29:58 +00:00
uintptrescapes.dir
…
wasmmemsize.dir
test: add a test for wasm memory usage
2024-10-28 13:27:58 +00:00
64bit.go
…
235.go
…
alg.go
…
alias1.go
…
alias2.go
go/types, types2: qualify named types in error messages with type kind
2024-10-23 04:43:01 +00:00
alias3.go
…
alias.go
…
align.go
…
append1.go
cmd/compile: use "cannot use %s as %s value in %s: %s" error message
2022-09-28 22:28:39 +00:00
append.go
…
args.go
…
armimm.go
…
asmhdr.go
cmd/compile: emit sensible go_asm.h consts for big ints
2021-10-30 18:30:05 +00:00
assign1.go
…
assign.go
sync: add explicit noCopy fields to Map, Mutex, and Once
2024-11-18 18:52:54 +00:00
atomicload.go
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bigalg.go
…
bigmap.go
…
blank1.go
…
blank.go
…
bom.go
…
bombad.go
…
bounds.go
…
cannotassign.go
…
chancap.go
…
chanlinear.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
char_lit1.go
cmd/compile: do not report error for invalid constant
2021-03-05 18:46:43 +00:00
char_lit.go
…
checkbce.go
cmd/compile: rewrite the constant parts of the prove pass
2024-08-07 16:07:33 +00:00
clear.go
cmd/compile: add clear(x) builtin
2023-01-31 19:43:07 +00:00
clearfat.go
…
closedchan.go
…
closure1.go
…
closure2.go
cmd/compile: experimental loop iterator capture semantics change
2023-03-06 18:34:24 +00:00
closure3.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
closure4.go
…
closure5.go
…
closure6.go
…
closure7.go
…
closure.go
…
cmp6.go
…
cmp.go
…
cmplx.go
…
cmplxdivide1.go
…
cmplxdivide.c
…
cmplxdivide.go
…
complit1.go
test: fix error check messages for 2 types2 tests
2021-06-02 05:14:45 +00:00
complit.go
…
compos.go
…
const1.go
…
const2.go
…
const3.go
…
const4.go
…
const5.go
…
const6.go
…
const7.go
all: add wasip1 support
2023-04-11 20:56:32 +00:00
const8.go
test: add more tests for const decls with ommitted RHS expressions
2022-06-28 18:11:31 +00:00
const.go
…
convert1.go
…
convert2.go
go/types, types2: implement slice-to-array conversions
2022-09-08 15:55:44 +00:00
convert3.go
…
convert4.go
cmd/compile: implement slice-to-array conversions
2022-09-19 18:58:26 +00:00
convert.go
…
convinline.go
cmd/compile: handle integer conversions in static init inliner
2022-11-17 13:46:05 +00:00
convlit1.go
…
convlit.go
cmd/compile/internal/types2: refactor untyped conversions
2021-03-23 05:11:09 +00:00
convT2X.go
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copy1.go
…
copy.go
…
crlf.go
…
ddd1.go
cmd/compile: use "cannot use %s as %s value in %s: %s" error message
2022-09-28 22:28:39 +00:00
ddd2.go
…
ddd.go
…
decl.go
…
declbad.go
cmd/compile: rewrite a, b = f() to use temporaries when type not identical
2021-06-14 07:12:37 +00:00
defer.go
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defererrcheck.go
test: add open-coded defer tests for too many exits path
2024-07-29 14:30:07 +00:00
deferfin.go
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defernil.go
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deferprint.go
…
deferprint.out
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devirt.go
[dev.typeparams] cmd/compile: simplify interface conversions
2021-08-09 16:10:20 +00:00
directive2.go
cmd/compile: restrict //go:notinheap to runtime/internal/sys
2022-09-02 06:22:23 +00:00
directive.go
cmd/compile: restrict //go:notinheap to runtime/internal/sys
2022-09-02 06:22:23 +00:00
divide.go
…
divmod.go
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embedfunc.go
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embedvers.go
…
empty.go
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env.go
test,internal/testdir: don't set GOOS/GOARCH
2023-05-12 12:34:59 +00:00
eof1.go
…
eof.go
…
escape2.go
all: remove newline characters after return statements
2023-12-14 17:22:18 +00:00
escape2n.go
all: remove newline characters after return statements
2023-12-14 17:22:18 +00:00
escape3.go
…
escape4.go
cmd/compile: retire "IsHiddenClosure" and "IsDeadcodeClosure"
2024-07-22 21:27:37 +00:00
escape5.go
cmd/compile/internal/noder: stop preserving original const strings
2023-09-08 18:50:24 +00:00
escape_array.go
cmd/compile: determine static values of len and cap in make() calls
2025-02-19 13:38:58 -08:00
escape_calls.go
cmd/compile: fix escape analysis of string min/max
2023-12-05 22:06:07 +00:00
escape_closure.go
cmd/compile: retire "IsHiddenClosure" and "IsDeadcodeClosure"
2024-07-22 21:27:37 +00:00
escape_field.go
…
escape_goto.go
[dev.typeparams] test: rename blank functions
2021-07-28 21:41:07 +00:00
escape_hash_maphash.go
…
escape_iface.go
test: remove *_unified.go variants
2023-05-23 17:16:35 +00:00
escape_indir.go
…
escape_level.go
…
escape_make_non_const.go
cmd/compile: determine static values of len and cap in make() calls
2025-02-19 13:38:58 -08:00
escape_map.go
…
escape_mutations.go
cmd/compile: restore zero-copy string->[]byte optimization
2023-08-18 11:58:37 +00:00
escape_param.go
[dev.typeparams] cmd/compile: simplify ~r/~b naming
2021-05-26 23:50:32 +00:00
escape_reflect.go
reflect: remove calling mapiterkey, mapiterelem
2024-09-18 20:57:20 +00:00
escape_runtime_atomic.go
runtime: migrate internal/atomic to internal/runtime
2024-03-25 19:53:03 +00:00
escape_selfassign.go
…
escape_slice.go
cmd/compile/internal/noder: stop preserving original const strings
2023-09-08 18:50:24 +00:00
escape_struct_param1.go
…
escape_struct_param2.go
…
escape_struct_return.go
[dev.typeparams] cmd/compile: simplify ~r/~b naming
2021-05-26 23:50:32 +00:00
escape_sync_atomic.go
…
escape_unsafe.go
test: fix typo in escape_unsafe.go
2022-09-07 17:25:59 +00:00
escape.go
cmd/compile: experimental loop iterator capture semantics change
2023-03-06 18:34:24 +00:00
fibo.go
…
finprofiled.go
test: ignore MemProfileRecords with no live objects in finprofiled.go
2023-11-16 05:48:00 +00:00
float_lit2.go
…
float_lit3.go
test: re-enable a bunch of tests with types2
2021-12-03 16:24:32 +00:00
float_lit.go
…
floatcmp.go
…
for.go
test: add test cases for index value with range array clear
2023-07-10 16:36:41 +00:00
func1.go
…
func2.go
…
func3.go
go/parser, syntax: better error message for parameter missing type
2024-09-30 22:04:40 +00:00
func4.go
…
func5.go
…
func6.go
…
func7.go
…
func8.go
…
func.go
…
funcdup2.go
…
funcdup.go
…
fuse.go
cmd/compile: handle boolean and pointer relations
2024-08-07 16:07:55 +00:00
gc1.go
…
gc2.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
gc.go
…
gcgort.go
…
gcstring.go
…
goprint.go
…
goprint.out
…
goto.go
…
heapsampling.go
test/heapsampling.go: slow down allocation rate and reduce iterations
2022-05-27 21:36:06 +00:00
helloworld.go
…
helloworld.out
…
if.go
…
import1.go
go/types, types2: use "and not used" instead of "but not used" in error messages
2022-09-27 21:10:19 +00:00
import2.go
…
import4.go
…
import5.go
…
import6.go
test: re-enable most go/tests that were disabled because of types2 differences
2022-01-11 02:26:58 +00:00
import.go
…
index0.go
…
index1.go
…
index2.go
…
index.go
…
indirect1.go
…
indirect.go
…
init1.go
…
init.go
…
initcomma.go
…
initexp.go
cmd/compile: use "init... cycle" instead of "init... loop" in error messages
2022-09-23 20:27:09 +00:00
initialize.go
cmd/compile: handle simple inlined calls in staticinit
2022-11-16 04:04:52 +00:00
initializerr.go
test: re-enable most go/tests that were disabled because of types2 differences
2022-01-11 02:26:58 +00:00
initloop.go
go/types: improve recursive type error message
2024-10-22 22:20:29 +00:00
inline_big.go
cmd/compile: restore zero-copy string->[]byte optimization
2023-08-18 11:58:37 +00:00
inline_caller.go
…
inline_callers.go
…
inline_endian.go
cmd/compile: make encoding/binary appends cheaper to inline
2022-09-15 21:05:02 +00:00
inline_literal.go
…
inline_math_bits_rotate.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
inline_sync.go
sync: use atomic.Uint32 in Once
2023-10-06 21:01:50 +00:00
inline_testingbloop.go
cmd/compile,testing: implement one-time rampup logic for testing.B.Loop
2024-11-20 23:19:48 +00:00
inline_variadic.go
[dev.typeparams] cmd/compile: simplify inlining variadic calls
2021-05-26 23:50:45 +00:00
inline.go
cmd/compile: add "deadlocals" pass to remove unused locals
2024-07-30 15:46:27 +00:00
int_lit.go
…
intcvt.go
…
intrinsic_atomic.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
intrinsic.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
iota.go
…
label1.go
…
label.go
…
linkmain_run.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
linkmain.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
linkname3.go
cmd/compile: disallow linkname referring to instantiations
2024-05-15 19:27:25 +00:00
linkname.go
…
linknameasm.go
cmd/compile: generate args_stackmap for ABI0 assembly func regardless of linkname
2024-06-07 15:22:22 +00:00
linkobj.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
linkx_run.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
linkx.go
…
literal2.go
…
literal.go
…
live1.go
…
live2.go
cmd/compile,internal/runtime/maps: add extendible hashing
2024-10-21 14:16:20 +00:00
live_regabi.go
runtime: rename mapiterinit and mapiternext
2025-01-28 10:54:43 -08:00
live_uintptrkeepalive.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
live.go
runtime: rename mapiterinit and mapiternext
2025-01-28 10:54:43 -08:00
loopbce.go
cmd/compile: rewrite the constant parts of the prove pass
2024-08-07 16:07:33 +00:00
mainsig.go
…
makechan.go
all: fix some comments
2024-04-04 14:29:45 +00:00
makemap.go
cmd/compile/internal/types2: add unsafe.Add and unsafe.Slice
2021-04-23 00:41:01 +00:00
makenew.go
…
makeslice.go
…
mallocfin.go
…
map1.go
…
map.go
…
mapclear.go
…
maplinear.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
maymorestack.go
cmd/{asm,compile,internal/obj}: add "maymorestack" support
2021-11-05 00:52:06 +00:00
mergemul.go
…
method1.go
cmd/compile: use "method T.m already declared" for method redeclaration errors
2022-09-27 21:59:19 +00:00
method2.go
go/types, types2: better error message when using *interface instead of interface
2022-01-10 22:48:40 +00:00
method3.go
…
method4.go
…
method5.go
…
method6.go
…
method7.go
…
method.go
…
named1.go
…
named.go
…
newinline.go
cmd/compile: add "deadlocals" pass to remove unused locals
2024-07-30 15:46:27 +00:00
nil.go
…
nilcheck.go
[dev.unified] test: tweak nilcheck test
2022-06-30 18:41:59 +00:00
nilptr2.go
…
nilptr3.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
nilptr4.go
…
nilptr5_aix.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
nilptr5_wasm.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
nilptr5.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
nilptr_aix.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
nilptr.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
noinit.go
cmd/compile: reenable inline static init
2023-04-14 17:57:36 +00:00
nosplit.go
cmd/internal/objabi, internal/runtime: increase nosplit limit on OpenBSD
2024-12-06 00:35:41 +00:00
nowritebarrier.go
cmd/compile: redo IsRuntimePkg/IsReflectPkg predicate
2023-08-22 19:18:21 +00:00
nul1.go
…
opt_branchlikely.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
parentype.go
…
peano.go
…
phiopt.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
print.go
…
print.out
…
printbig.go
…
printbig.out
…
prove_constant_folding.go
cmd/compile: rewrite the constant parts of the prove pass
2024-08-07 16:07:33 +00:00
prove_invert_loop_with_unused_iterators.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
prove.go
cmd/compile: establish limits of bool to uint8 conversions
2025-02-05 09:04:25 -08:00
range2.go
all: rename GOEXPERIMENT=range to rangefunc
2023-11-08 15:32:14 +00:00
range3.go
cmd/compile: fix typecheck range over rune literal
2023-12-01 17:20:08 +00:00
range4.go
cmd/compile: handle defined iter func type correctly
2024-01-08 16:00:53 +00:00
range.go
…
rangegen.go
test: skip rangegen.go on 32-bit platforms
2023-12-18 23:35:19 +00:00
README.md
internal/testdir: move to cmd/internal/testdir
2023-05-12 17:18:08 +00:00
recover1.go
…
recover2.go
…
recover3.go
…
recover4.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
recover5.go
…
recover.go
…
reflectmethod1.go
…
reflectmethod2.go
…
reflectmethod3.go
…
reflectmethod4.go
…
reflectmethod5.go
…
reflectmethod6.go
…
reflectmethod7.go
all: use reflect.{Pointer,PointerTo}
2021-10-26 14:24:17 +00:00
reflectmethod8.go
[dev.typeparams] cmd/compile: fix missing condition in usemethod
2021-07-22 17:48:41 +00:00
rename1.go
cmd/compile/internal/types2: only mark variables as used if they are
2023-04-19 14:07:00 +00:00
rename.go
…
reorder2.go
…
reorder.go
…
retjmp.go
…
return.go
…
rotate0.go
…
rotate1.go
…
rotate2.go
…
rotate3.go
…
rotate.go
…
rune.go
…
runtime.go
…
shift1.go
test: re-enable a bunch of tests with types2
2021-12-03 16:24:32 +00:00
shift2.go
…
shift3.go
cmd/compile: adjust types2 shift check to match go/types (cleanup)
2022-04-07 17:19:55 +00:00
sieve.go
…
sigchld.go
test: migrate remaining files to go:build syntax
2023-10-19 23:33:25 +00:00
sigchld.out
…
simassign.go
…
sizeof.go
…
slice3.go
…
slice3err.go
…
slicecap.go
…
sliceopt.go
…
solitaire.go
…
stack.go
…
stackobj2.go
…
stackobj3.go
…
stackobj.go
…
strcopy.go
…
strength.go
…
string_lit.go
…
stringrange.go
…
struct0.go
…
switch2.go
cmd/compile: better error message when offending/missing token is a keyword
2024-11-14 02:14:13 +00:00
switch3.go
…
switch4.go
…
switch5.go
…
switch6.go
cmd/compile: use "missing method m" instead of "missing m method"
2022-09-24 17:04:15 +00:00
switch7.go
…
switch.go
[dev.unified] test: add switch test case for tricky nil handling
2022-07-19 23:30:49 +00:00
tailcall.go
cmd/compile: emit tail call wrappers when possible
2024-09-09 20:20:10 +00:00
tighten.go
cmd/compile: pair loads and stores on arm64
2025-02-13 14:07:47 -08:00
tinyfin.go
…
torture.go
…
turing.go
…
typecheck.go
test: re-enable most go/tests that were disabled because of types2 differences
2022-01-11 02:26:58 +00:00
typecheckloop.go
cmd/compile: use "init... cycle" instead of "init... loop" in error messages
2022-09-23 20:27:09 +00:00
typeswitch1.go
…
typeswitch2.go
…
typeswitch2b.go
go/types, types2: use "and not used" instead of "but not used" in error messages
2022-09-27 21:10:19 +00:00
typeswitch3.go
cmd/compile/internal/types2: better error for type assertion/switch on type parameter value
2021-11-12 22:20:51 +00:00
typeswitch.go
…
uintptrescapes2.go
[dev.typeparams] cmd/compile: skip escape analysis diagnostics for wrappers
2021-06-24 18:24:24 +00:00
uintptrescapes3.go
…
uintptrescapes.go
…
uintptrkeepalive.go
cmd/compile: add //go:uintptrkeepalive
2022-04-21 18:06:38 +00:00
undef.go
…
unsafe_slice_data.go
cmd/compile: add support for unsafe.{String,StringData,SliceData}
2022-08-31 17:15:15 +00:00
unsafe_string_data.go
cmd/compile: add support for unsafe.{String,StringData,SliceData}
2022-08-31 17:15:15 +00:00
unsafe_string.go
cmd/compile: add support for unsafe.{String,StringData,SliceData}
2022-08-31 17:15:15 +00:00
unsafebuiltins.go
cmd/compile: add support for unsafe.{String,StringData,SliceData}
2022-08-31 17:15:15 +00:00
used.go
…
utf.go
…
varerr.go
…
varinit.go
…
wasmexport2.go
cmd/compile: allow more types for wasmimport/wasmexport parameters and results
2024-11-11 17:11:50 +00:00
wasmexport.go
cmd/compile: add basic wasmexport support
2024-08-09 20:07:54 +00:00
wasmmemsize.go
test: add a test for wasm memory usage
2024-10-28 13:27:58 +00:00
weak.go
weak: prevent unsafe conversions using weak pointers
2025-02-06 13:16:59 -08:00
winbatch.go
…
writebarrier.go
cmd/compile: don't emit write barriers for offsets of global addresses
2021-08-23 19:46:36 +00:00
zerodivide.go
all: use bytes.Cut, strings.Cut
2021-10-06 15:53:04 +00:00
zerosize.go
cmd/link: put zero-sized data symbols at same address as runtime.zerobase
2023-04-28 18:35:43 +00:00

README.md

The test directory contains tests of the Go tool chain and runtime. It includes black box tests, regression tests, and error output tests. They are run as part of all.bash.

To run just these tests, execute:

../bin/go test cmd/internal/testdir

To run just tests from specified files in this directory, execute:

../bin/go test cmd/internal/testdir -run='Test/(file1.go|file2.go|...)'

Standard library tests should be written as regular Go tests in the appropriate package.

The tool chain and runtime also have regular Go tests in their packages. The main reasons to add a new test to this directory are:

  • it is most naturally expressed using the test runner; or
  • it is also applicable to gccgo and other Go tool chains.