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Merge "[MTE] temporarily disable memtag-stack with exceptions"

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Treehugger Robot
2022-10-20 20:27:01 +00:00
committed by Gerrit Code Review
parent 2f951ceb69 7410d28356
commit 7a7d58a847
1 changed files with 8 additions and 0 deletions
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8
cc/sanitize.go
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@@ -613,6 +613,14 @@ func (sanitize *sanitize) flags(ctx ModuleContext, flags Flags) Flags {
return flags
}
// Currently unwinding through tagged frames for exceptions is broken, so disable memtag stack
// in that case, so we don't end up tagging those.
// TODO(b/174878242): Remove once https://r.android.com/2251926 is included in toolchain.
if android.InList("-fexceptions", flags.Local.CFlags) || android.InList("-fexceptions", flags.Global.CFlags) {
sanitize.Properties.Sanitize.Memtag_stack = nil
_, sanitize.Properties.Sanitizers = android.RemoveFromList("memtag-stack", sanitize.Properties.Sanitizers)
}
if Bool(sanitize.Properties.Sanitize.Address) {
if ctx.Arch().ArchType == android.Arm {
// Frame pointer based unwinder in ASan requires ARM frame setup.