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Don't emulate group stops of exiting tracees - #4148

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Keno wants to merge 1 commit into
rr-debugger:masterfrom
ChronitonAI:traced-zombie-leader-stop
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Keno wants to merge 1 commit into
rr-debugger:masterfrom
ChronitonAI:traced-zombie-leader-stop

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@Keno

@Keno Keno commented Nov 4, 2026

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[Encountered, debugged, test, patch by AI]

When a process stopped while its traced leader was a zombie, the tracer's wait reported a group stop of the leader, and the same happened after PTRACE_INTERRUPT of a zombie tracee. Linux doesn't stop exiting tasks.

When a process stopped while its traced leader was a zombie, the
tracer's wait reported a group stop of the leader, and the same
happened after PTRACE_INTERRUPT of a zombie tracee. Linux doesn't stop
exiting tasks.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

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