Hello everyone,
I am writing to follow up on Pull Request (#18) I opened on GitHub a few
months ago for the uhttpd daemon.
The patch resolves a critical stability issue (documented in issue #1)
that causes a potential **SIGSEGV** (Segmentation Fault) when an HTTP
client disconnects from a **/ubus/subscribe/...** endpoint without first
explicitly unsubscribing.
The fix ensures that the ubus subscriber is properly unregistered in a
cleanup handler, preventing subsequent callbacks from referencing freed
client structures. This is vital for the reliable operation of the
Server-Sent Events (SSE) functionality introduced in 2020.
* References:
* Pull Request: https://github.com/openwrt/uhttpd/pull/18
* Related Issue: https://github.com/openwrt/uhttpd/issues/1
* Original SSE Patch (2020):
https://lists.openwrt.org/pipermail/openwrt-devel/2020-September/031396.html
I understand core maintainers have limited time, and I would greatly
appreciate it if someone could review this PR at their convenience. I am
ready to receive feedback and make any necessary revisions.
Thank you for your time and for the great work on OpenWrt.
Best regards,
Tito Brasolin
[email protected]
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