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Fixes to get re-initiation working#2

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agrawroh merged 7 commits intoagrawroh:feat-rev-conns-newfrom
basundhara-c:feat-rev-conns-new
Jul 8, 2025
Merged

Fixes to get re-initiation working#2
agrawroh merged 7 commits intoagrawroh:feat-rev-conns-newfrom
basundhara-c:feat-rev-conns-new

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Fixes to get re-initiation working

Commit Message:
Additional Description:
Risk Level:
Testing:
Docs Changes:
Release Notes:
Platform Specific Features:
[Optional Runtime guard:]
[Optional Fixes #Issue]
[Optional Fixes commit #PR or SHA]
[Optional Deprecated:]
[Optional API Considerations:]

agrawroh and others added 7 commits July 2, 2025 15:59
Signed-off-by: Rohit Agrawal <rohit.agrawal@databricks.com>
Signed-off-by: Rohit Agrawal <rohit.agrawal@databricks.com>
Signed-off-by: Rohit Agrawal <rohit.agrawal@databricks.com>
…triggered after closure, and fix string match for content length header

Signed-off-by: Basundhara Chakrabarty <basundhara.c@nutanix.com>
Signed-off-by: Basundhara Chakrabarty <basundhara.c@nutanix.com>
Signed-off-by: Basundhara Chakrabarty <basundhara.c@nutanix.com>
@agrawroh agrawroh merged commit 8c113ba into agrawroh:feat-rev-conns-new Jul 8, 2025
1 check passed
agrawroh added a commit that referenced this pull request Oct 1, 2025
agrawroh added a commit that referenced this pull request Dec 16, 2025
…voyproxy#42554)

## Description

Today, when a filesystem watch callback returns a non-OK status or
throws an exception, the error gets propagated to `FileEventImpl` which
uses `THROW_IF_NOT_OK`.

Since there's no exception handler in the `libevent` loop, this causes
`std::terminate` to be called, which crashes Envoy.

**Stack Trace:**
```
Dec 11 00:11:26 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:26.119][234999][warning][misc] [source/common/protobuf/message_validator_impl.cc:23] Deprecated field: type envoy.config.core.v3.HeaderValueOption Using deprecated option 'envoy.config.core.v3.HeaderValueOption.append' from file base.proto. This configuration will be removed from Envoy soon. Please see https://www.envoyproxy.io/docs/envoy/latest/version_history/version_history for details. If continued use of this field is absolutely necessary, see https://www.envoyproxy.io/docs/envoy/latest/configuration/operations/runtime#using-runtime-overrides-for-deprecated-features for how to apply a temporary and highly discouraged override.
Dec 11 00:11:26 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:26.120][234999][info][upstream] [source/common/listener_manager/lds_api.cc:109] lds: add/update listener '0_listener'
Dec 11 00:11:26 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:26.123][234999][info][upstream] [source/common/listener_manager/lds_api.cc:109] lds: add/update listener '1_listener'
Dec 11 00:11:26 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:26.126][234999][info][upstream] [source/common/listener_manager/lds_api.cc:109] lds: add/update listener '2_listener'
Dec 11 00:11:26 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:26.127][234999][info][upstream] [source/common/listener_manager/lds_api.cc:109] lds: add/update listener '3_listener'
Dec 11 00:11:26 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:26.128][234999][info][upstream] [source/common/listener_manager/lds_api.cc:109] lds: add/update listener '4_listener'
Dec 11 00:11:26 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:26.130][234999][info][upstream] [source/common/listener_manager/lds_api.cc:109] lds: add/update listener '5_listener'
Dec 11 00:11:26 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:26.132][234999][info][upstream] [source/common/listener_manager/lds_api.cc:109] lds: add/update listener '6_listener'
Dec 11 00:11:26 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:26.134][234999][info][upstream] [source/common/listener_manager/lds_api.cc:109] lds: add/update listener 'mtls_untrusted_regional_transparent_tunnel_listener'
Dec 11 00:11:26 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:26.135][234999][info][upstream] [source/common/listener_manager/lds_api.cc:109] lds: add/update listener 'mtls_app_trusted_regional_transparent_tunnel_listener'
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.097][234999][critical][main] [source/exe/terminate_handler.cc:36] std::terminate called! Uncaught unknown exception, see trace.
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.097][234999][critical][backtrace] [./source/server/backtrace.h:113] Backtrace (use tools/stack_decode.py to get line numbers):
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.097][234999][critical][backtrace] [./source/server/backtrace.h:114] Envoy version: 5eaabe0bbaad4612cb85473cd151039d8f1a2760/1.34.2-dev/Clean/RELEASE/BoringSSL
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.097][234999][critical][backtrace] [./source/server/backtrace.h:116] Address mapping: 558d8afcc000-558d8ee2f000 /usr/local/bin/envoy
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.100][234999][critical][backtrace] [./source/server/backtrace.h:123] #0: [0x558d8da5784f]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.102][234999][critical][backtrace] [./source/server/backtrace.h:123] #1: [0x558d8edd8673]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.104][234999][critical][backtrace] [./source/server/backtrace.h:123] #2: [0x558d8e3b120b]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.106][234999][critical][backtrace] [./source/server/backtrace.h:121] #3: Envoy::Filesystem::WatcherImpl::onInotifyEvent() [0x558d8e3990c3]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.108][234999][critical][backtrace] [./source/server/backtrace.h:123] #4: [0x558d8e3998d2]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.109][234999][critical][backtrace] [./source/server/backtrace.h:123] #5: [0x558d8e393de6]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.111][234999][critical][backtrace] [./source/server/backtrace.h:121] #6: Envoy::Event::FileEventImpl::mergeInjectedEventsAndRunCb() [0x558d8e394eb5]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.113][234999][critical][backtrace] [./source/server/backtrace.h:123] #7: [0x558d8e710823]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.115][234999][critical][backtrace] [./source/server/backtrace.h:121] envoyproxy#8: event_base_loop [0x558d8e70d4a1]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.117][234999][critical][backtrace] [./source/server/backtrace.h:121] envoyproxy#9: Envoy::Server::InstanceBase::run() [0x558d8daa2b99]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.119][234999][critical][backtrace] [./source/server/backtrace.h:121] envoyproxy#10: Envoy::MainCommonBase::run() [0x558d8da4327a]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.121][234999][critical][backtrace] [./source/server/backtrace.h:121] envoyproxy#11: Envoy::MainCommon::main() [0x558d8da44234]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.123][234999][critical][backtrace] [./source/server/backtrace.h:121] envoyproxy#12: main [0x558d8afcc11c]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.123][234999][critical][backtrace] [./source/server/backtrace.h:123] envoyproxy#13: [0x7f1d54073efb]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.123][234999][critical][backtrace] [./source/server/backtrace.h:121] envoyproxy#14: __libc_start_main [0x7f1d54073fbb]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.124][234999][critical][backtrace] [./source/server/backtrace.h:121] envoyproxy#15: _start [0x558d8afcc02e]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.124][234999][critical][backtrace] [./source/server/backtrace.h:129] Caught Aborted, suspect faulting address 0x395f7
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.124][234999][critical][backtrace] [./source/server/backtrace.h:113] Backtrace (use tools/stack_decode.py to get line numbers):
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.124][234999][critical][backtrace] [./source/server/backtrace.h:114] Envoy version: 5eaabe0bbaad4612cb85473cd151039d8f1a2760/1.34.2-dev/Clean/RELEASE/BoringSSL
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.124][234999][critical][backtrace] [./source/server/backtrace.h:116] Address mapping: 558d8afcc000-558d8ee2f000 /usr/local/bin/envoy
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.124][234999][critical][backtrace] [./source/server/backtrace.h:123] #0: [0x7f1d54089c90]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.124][234999][critical][backtrace] [./source/server/backtrace.h:121] #1: gsignal [0x7f1d54089bde]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.124][234999][critical][backtrace] [./source/server/backtrace.h:121] #2: abort [0x7f1d54072832]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.126][234999][critical][backtrace] [./source/server/backtrace.h:123] #3: [0x558d8da5785c]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.128][234999][critical][backtrace] [./source/server/backtrace.h:123] #4: [0x558d8edd8673]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.129][234999][critical][backtrace] [./source/server/backtrace.h:123] #5: [0x558d8e3b120b]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.129][234999][critical][backtrace] [./source/server/backtrace.h:121] #6: Envoy::Filesystem::WatcherImpl::onInotifyEvent() [0x558d8e3990c3]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.131][234999][critical][backtrace] [./source/server/backtrace.h:123] #7: [0x558d8e3998d2]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.133][234999][critical][backtrace] [./source/server/backtrace.h:123] envoyproxy#8: [0x558d8e393de6]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.133][234999][critical][backtrace] [./source/server/backtrace.h:121] envoyproxy#9: Envoy::Event::FileEventImpl::mergeInjectedEventsAndRunCb() [0x558d8e394eb5]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.135][234999][critical][backtrace] [./source/server/backtrace.h:123] envoyproxy#10: [0x558d8e710823]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.135][234999][critical][backtrace] [./source/server/backtrace.h:121] envoyproxy#11: event_base_loop [0x558d8e70d4a1]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.135][234999][critical][backtrace] [./source/server/backtrace.h:121] envoyproxy#12: Envoy::Server::InstanceBase::run() [0x558d8daa2b99]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.135][234999][critical][backtrace] [./source/server/backtrace.h:121] envoyproxy#13: Envoy::MainCommonBase::run() [0x558d8da4327a]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.135][234999][critical][backtrace] [./source/server/backtrace.h:121] envoyproxy#14: Envoy::MainCommon::main() [0x558d8da44234]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.135][234999][critical][backtrace] [./source/server/backtrace.h:121] envoyproxy#15: main [0x558d8afcc11c]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.135][234999][critical][backtrace] [./source/server/backtrace.h:123] envoyproxy#16: [0x7f1d54073efb]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.135][234999][critical][backtrace] [./source/server/backtrace.h:121] envoyproxy#17: __libc_start_main [0x7f1d54073fbb]
Dec 11 00:11:30 dbletE9433T node-envoy[234999]: [2025-12-11 00:11:30.135][234999][critical][backtrace] [./source/server/backtrace.h:121] envoyproxy#18: _start [0x558d8afcc02e]
```

In this change, we are making the `inotify` and `kqueue` watchers handle
callback errors gracefully by catching any exceptions using
`TRY_ASSERT_MAIN_THREAD`, logging errors instead of propagating them and
always returning the `OkStatus` to the event loop.

---

**Commit Message:** filesystem: Fix crash when watch callback returns
error or throws
**Additional Description:** Make `inotify` and `kqueue` watchers handle
callback errors gracefully.
**Risk Level:** Low
**Testing:** CI
**Docs Changes:** N/A
**Release Notes:** N/A

---------

Signed-off-by: Rohit Agrawal <rohit.agrawal@salesforce.com>
Signed-off-by: Rohit Agrawal <rohit.agrawal@databricks.com>
agrawroh pushed a commit that referenced this pull request Mar 3, 2026
…proxy#43667)

Commit Message:
The LEDS subscription callback lambda captured `used_load_assignment` by
value as a raw pointer to the object owned by the
`cluster_load_assignment_` unique_ptr. When a subsequent EDS update
reassigned `cluster_load_assignment_`, the old object was destroyed but
existing LEDS subscriptions (not recreated for unchanged configs) still
held the dangling pointer. When the LEDS subscription later fired its
callback (e.g. onConfigUpdateFailed), dereferencing this pointer caused
a segfault.

Stack trace:
```
  #0: [0x77b9d6de8330]
  #1: Envoy::Upstream::EdsClusterImpl::BatchUpdateHelper::batchUpdate()
  #2: Envoy::Upstream::PrioritySetImpl::batchHostUpdate()
  #3: std::__1::__function::__func<>::operator()()
  #4: Envoy::Upstream::LedsSubscription::onConfigUpdateFailed()
  #5: Envoy::Config::GrpcSubscriptionImpl::onConfigUpdateFailed()
  #6: event_process_active_single_queue
  #7: event_base_loop
  envoyproxy#8: Envoy::Server::InstanceBase::run()
```

Fix by capturing `this` and accessing `cluster_load_assignment_`
directly, which always reflects the current valid assignment.
Additional Description:
Risk Level:
Testing:
Docs Changes:
Release Notes:
Platform Specific Features:
[Optional Runtime guard:]
[Optional Fixes #Issue]
[Optional Fixes commit #PR or SHA]
[Optional Deprecated:]
[Optional [API
Considerations](https://github.com/envoyproxy/envoy/blob/main/api/review_checklist.md):]

Signed-off-by: William Dauchy <william.dauchy@datadoghq.com>
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