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Merge changes I26198187,Ia904d07b

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* changes:
  rust: Support MTE memtag_heap sanitizer
  rust: Support global sanitizers
This commit is contained in:
Ivan Lozano
2021-11-12 19:26:04 +00:00
committed by Gerrit Code Review
parent 4220a61349 62cd0388eb
commit 94e8a651fa
10 changed files with 612 additions and 34 deletions
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29
cc/sanitize.go
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@@ -88,7 +88,7 @@ const (
intOverflow
scs
Fuzzer
memtag_heap
Memtag_heap
cfi // cfi is last to prevent it running before incompatible mutators
)
@@ -99,7 +99,7 @@ var Sanitizers = []SanitizerType{
intOverflow,
scs,
Fuzzer,
memtag_heap,
Memtag_heap,
cfi, // cfi is last to prevent it running before incompatible mutators
}
@@ -118,7 +118,7 @@ func (t SanitizerType) variationName() string {
return "cfi"
case scs:
return "scs"
case memtag_heap:
case Memtag_heap:
return "memtag_heap"
case Fuzzer:
return "fuzzer"
@@ -134,7 +134,7 @@ func (t SanitizerType) name() string {
return "address"
case Hwasan:
return "hwaddress"
case memtag_heap:
case Memtag_heap:
return "memtag_heap"
case tsan:
return "thread"
@@ -156,7 +156,7 @@ func (t SanitizerType) registerMutators(ctx android.RegisterMutatorsContext) {
case Asan, Hwasan, Fuzzer, scs, tsan, cfi:
ctx.TopDown(t.variationName()+"_deps", sanitizerDepsMutator(t))
ctx.BottomUp(t.variationName(), sanitizerMutator(t))
case memtag_heap, intOverflow:
case Memtag_heap, intOverflow:
// do nothing
default:
panic(fmt.Errorf("unknown SanitizerType %d", t))
@@ -179,6 +179,8 @@ func (*Module) SanitizerSupported(t SanitizerType) bool {
return true
case Fuzzer:
return true
case Memtag_heap:
return true
default:
return false
}
@@ -467,7 +469,7 @@ func (sanitize *sanitize) begin(ctx BaseModuleContext) {
s.Scs = nil
}
// memtag_heap is only implemented on AArch64.
// Memtag_heap is only implemented on AArch64.
if ctx.Arch().ArchType != android.Arm64 {
s.Memtag_heap = nil
}
@@ -813,7 +815,7 @@ func (sanitize *sanitize) getSanitizerBoolPtr(t SanitizerType) *bool {
return sanitize.Properties.Sanitize.Cfi
case scs:
return sanitize.Properties.Sanitize.Scs
case memtag_heap:
case Memtag_heap:
return sanitize.Properties.Sanitize.Memtag_heap
case Fuzzer:
return sanitize.Properties.Sanitize.Fuzzer
@@ -829,7 +831,7 @@ func (sanitize *sanitize) isUnsanitizedVariant() bool {
!sanitize.isSanitizerEnabled(tsan) &&
!sanitize.isSanitizerEnabled(cfi) &&
!sanitize.isSanitizerEnabled(scs) &&
!sanitize.isSanitizerEnabled(memtag_heap) &&
!sanitize.isSanitizerEnabled(Memtag_heap) &&
!sanitize.isSanitizerEnabled(Fuzzer)
}
@@ -859,7 +861,7 @@ func (sanitize *sanitize) SetSanitizer(t SanitizerType, b bool) {
sanitize.Properties.Sanitize.Cfi = bPtr
case scs:
sanitize.Properties.Sanitize.Scs = bPtr
case memtag_heap:
case Memtag_heap:
sanitize.Properties.Sanitize.Memtag_heap = bPtr
case Fuzzer:
sanitize.Properties.Sanitize.Fuzzer = bPtr
@@ -1148,7 +1150,7 @@ func sanitizerRuntimeMutator(mctx android.BottomUpMutatorContext) {
if lib, ok := snapshot.StaticLibs[noteDep]; ok {
noteDep = lib
}
depTag := libraryDependencyTag{Kind: staticLibraryDependency, wholeStatic: true}
depTag := StaticDepTag(true)
variations := append(mctx.Target().Variations(),
blueprint.Variation{Mutator: "link", Variation: "static"})
if c.Device() {
@@ -1318,6 +1320,10 @@ var _ PlatformSanitizeable = (*Module)(nil)
func sanitizerMutator(t SanitizerType) func(android.BottomUpMutatorContext) {
return func(mctx android.BottomUpMutatorContext) {
if c, ok := mctx.Module().(PlatformSanitizeable); ok && c.SanitizePropDefined() {
// Make sure we're not setting CFI to any value if it's not supported.
cfiSupported := mctx.Module().(PlatformSanitizeable).SanitizerSupported(cfi)
if c.Binary() && c.IsSanitizerEnabled(t) {
modules := mctx.CreateVariations(t.variationName())
modules[0].(PlatformSanitizeable).SetSanitizer(t, true)
@@ -1338,7 +1344,6 @@ func sanitizerMutator(t SanitizerType) func(android.BottomUpMutatorContext) {
// is redirected to the sanitized variant of the dependent module.
defaultVariation := t.variationName()
// Not all PlatformSanitizeable modules support the CFI sanitizer
cfiSupported := mctx.Module().(PlatformSanitizeable).SanitizerSupported(cfi)
mctx.SetDefaultDependencyVariation(&defaultVariation)
modules := mctx.CreateVariations("", t.variationName())
@@ -1385,7 +1390,7 @@ func sanitizerMutator(t SanitizerType) func(android.BottomUpMutatorContext) {
modules[0].(PlatformSanitizeable).SetInSanitizerDir()
}
if mctx.Device() && t.incompatibleWithCfi() {
if mctx.Device() && t.incompatibleWithCfi() && cfiSupported {
// TODO: Make sure that cfi mutator runs "after" any of the sanitizers that
// are incompatible with cfi
modules[0].(PlatformSanitizeable).SetSanitizer(cfi, false)