http2: update handling of streams on rst_stream frames #39622
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mcollina
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jasnell
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Thanks, @mcollina! I will add tests for specific cases. |
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@BethGriggs, The changes should not need to backport for v12.x. I will verify and raise a PR with v12.x if needed. |
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The PR updates the handling of rst_stream frames and adds all streams to the pending list on receiving rst frames with the error code NGHTTP2_CANCEL. The changes will remove dependency on the stream state that may allow bypassing the checks in certain cases. I think a better solution is to delay streams in all cases if rst_stream is received for the cancel events. The rst_stream frames can be received for protocol/connection error as well it should be handled immediately. Adding streams to the pending list in such cases may cause errors. PR-URL: #39622 Refs: #39423 Reviewed-By: Matteo Collina <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Beth Griggs <[email protected]>
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PR-URL: #39622 Refs: #39423 Reviewed-By: Matteo Collina <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Beth Griggs <[email protected]>
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The PR updates the handling of rst_stream frames and adds all streams to the pending list on receiving rst frames with the error code NGHTTP2_CANCEL. The changes will remove dependency on the stream state that may allow bypassing the checks in certain cases. I think a better solution is to delay streams in all cases if rst_stream is received for the cancel events. The rst_stream frames can be received for protocol/connection error as well it should be handled immediately. Adding streams to the pending list in such cases may cause errors. CVE-ID: CVE-2021-22930 Refs: https://nvd.nist.gov/vuln/detail/CVE-2021-22930 PR-URL: nodejs#39622 Refs: nodejs#39423 Reviewed-By: Matteo Collina <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Beth Griggs <[email protected]>
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PR-URL: nodejs#39622 Refs: nodejs#39423 Reviewed-By: Matteo Collina <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Beth Griggs <[email protected]>
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The PR updates the handling of rst_stream frames and add
all streams to the pending list on receiving rst frames with
the error code
NGHTTP2_CANCEL.The changes will remove dependency on the stream state
that may allow bypassing the checks in certain cases. I think
a better solution is to delay streams in all cases if rst_stream
is received for the cancel events.
The rst_stream frames can be received for protocol/connection
error as well it should be handled immediately. Adding
streams to the pending list in such cases may cause errors.
Previous PR ref: #39423