quic: fix potential crash from unobserved closed - #64134
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Signed-off-by: Tim Perry <pimterry@gmail.com>
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June 25, 2026 16:07
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Signed-off-by: Tim Perry <pimterry@gmail.com> PR-URL: #64134 Reviewed-By: James M Snell <jasnell@gmail.com>
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Signed-off-by: Tim Perry <pimterry@gmail.com> PR-URL: #64134 Reviewed-By: James M Snell <jasnell@gmail.com>
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Signed-off-by: Tim Perry <pimterry@gmail.com> PR-URL: #64134 Reviewed-By: James M Snell <jasnell@gmail.com>
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(This is independent of the other "split up the h3-split PR" PRs I've just opened - not related to that stream, just something else I ran into)
This fixes a potential crash in QUIC generally. Currently if you don't listen to and handle errors from session.closed synchronously when the session opens (I think doing so is quite uncommon) then by default any remote client can crash the server. Tiny independent fix.
See the test for a demo: closed wasn't marked as handled, and so any error would trigger a unhandledRejection, which exits the process by default.