[Bug 298878] linux(4): epoll_pwait(2)/epoll_pwait2(2) with a sigmask leave a stale signal mask, deadlocking Bun apps (Claude Code, opencode)

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 28 Sep 2026 14:23:35 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=298878

--- Comment #8 from Yuki Tachi <yuki.tachi@donut-service.com> ---
Created attachment 275207
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=275207&action=edit
Reproducer (glibc, builds for x86_64 and aarch64)

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