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Fix crash with disabled send_profile_events#94466

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alexey-milovidov merged 3 commits intomasterfrom
fix-crash-in-disabled-send-profile-events
Jan 17, 2026
Merged

Fix crash with disabled send_profile_events#94466
alexey-milovidov merged 3 commits intomasterfrom
fix-crash-in-disabled-send-profile-events

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@alexey-milovidov alexey-milovidov commented Jan 16, 2026

Changelog category (leave one):

  • Critical Bug Fix (crash, data loss, RBAC) or LOGICAL_ERROR

Changelog entry (a user-readable short description of the changes that goes into CHANGELOG.md):

Fix nullptr dereference with disabled send_profile_events. This feature was introduced recently for the ClickHouse Python driver. Closes #92488.

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clickhouse-gh bot commented Jan 16, 2026 •
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Workflow [PR], commit [93cbb8b]

Summary: ❌

job_name test_name status info comment
Integration tests (arm_binary, distributed plan, 4/4) failure
test_quorum_inserts/test.py::test_insert_quorum_with_drop_partition[False] FAIL cidb
Integration tests (amd_tsan, 3/6) failure
test_ttl_replicated/test.py::test_ttl_compatibility[node_left1-node_right1-1] FAIL cidb
BuzzHouse (amd_debug) failure
Logical error: 'Inconsistent AST formatting: the query: (STID: 1941-1bfa) FAIL cidb, issue

@clickhouse-gh clickhouse-gh bot added pr-critical-bugfix pr-must-backport Pull request should be backported intentionally. Use this label with great care! labels Jan 16, 2026
@alexey-milovidov alexey-milovidov self-assigned this Jan 17, 2026
@alexey-milovidov alexey-milovidov merged commit 4b16b49 into master Jan 17, 2026
127 of 132 checks passed
@alexey-milovidov alexey-milovidov deleted the fix-crash-in-disabled-send-profile-events branch January 17, 2026 12:44
@robot-ch-test-poll2 robot-ch-test-poll2 added the pr-synced-to-cloud The PR is synced to the cloud repo label Jan 17, 2026
@robot-ch-test-poll4 robot-ch-test-poll4 added the pr-must-backport-synced The `*-must-backport` labels are synced into the cloud Sync PR label Jan 17, 2026
@robot-ch-test-poll3 robot-ch-test-poll3 mentioned this pull request Jan 17, 2026
Merged
robot-ch-test-poll3 added a commit that referenced this pull request Jan 17, 2026
@robot-ch-test-poll3
Merge pull request #94481 from ClickHouse/cherrypick/25.3/94466
7b56e4c 
Cherry pick #94466 to 25.3: Fix crash with disabled `send_profile_events`
robot-clickhouse added a commit that referenced this pull request Jan 17, 2026
@robot-clickhouse
Backport #94466 to 25.3: Fix crash with disabled send_profile_events
d2e0163
This was referenced Jan 17, 2026
Closed
Merged
robot-ch-test-poll3 added a commit that referenced this pull request Jan 17, 2026
@robot-ch-test-poll3
Merge pull request #94483 from ClickHouse/cherrypick/25.8/94466
54e8e85 
Cherry pick #94466 to 25.8: Fix crash with disabled `send_profile_events`
robot-clickhouse added a commit that referenced this pull request Jan 17, 2026
@robot-clickhouse
Backport #94466 to 25.8: Fix crash with disabled send_profile_events
0e1ebb0
This was referenced Jan 17, 2026
Closed
Merged
robot-ch-test-poll3 added a commit that referenced this pull request Jan 17, 2026
@robot-ch-test-poll3
Merge pull request #94485 from ClickHouse/cherrypick/25.10/94466
05cc70a 
Cherry pick #94466 to 25.10: Fix crash with disabled `send_profile_events`
robot-clickhouse added a commit that referenced this pull request Jan 17, 2026
@robot-clickhouse
Backport #94466 to 25.10: Fix crash with disabled send_profile_events
7ce32d5
This was referenced Jan 17, 2026
Closed
Merged
robot-ch-test-poll3 added a commit that referenced this pull request Jan 17, 2026
@robot-ch-test-poll3
Merge pull request #94487 from ClickHouse/cherrypick/25.11/94466
f58f939 
Cherry pick #94466 to 25.11: Fix crash with disabled `send_profile_events`
robot-clickhouse added a commit that referenced this pull request Jan 17, 2026
@robot-clickhouse
Backport #94466 to 25.11: Fix crash with disabled send_profile_events
c48f3d3
This was referenced Jan 17, 2026
Merged
Merged
robot-ch-test-poll3 added a commit that referenced this pull request Jan 17, 2026
@robot-ch-test-poll3
Merge pull request #94489 from ClickHouse/cherrypick/25.12/94466
bed0d01 
Cherry pick #94466 to 25.12: Fix crash with disabled `send_profile_events`
robot-clickhouse added a commit that referenced this pull request Jan 17, 2026
@robot-clickhouse
Backport #94466 to 25.12: Fix crash with disabled send_profile_events
54cfe87
@robot-ch-test-poll3 robot-ch-test-poll3 mentioned this pull request Jan 17, 2026
Merged
@robot-ch-test-poll4 robot-ch-test-poll4 added the pr-backports-created Backport PRs are successfully created, it won't be processed by CI script anymore label Jan 17, 2026
clickhouse-gh bot added a commit that referenced this pull request Jan 17, 2026
@clickhouse-gh
Merge pull request #94488 from ClickHouse/backport/25.11/94466
c3b820c 
Backport #94466 to 25.11: Fix crash with disabled `send_profile_events`
alexey-milovidov added a commit that referenced this pull request Jan 17, 2026
@alexey-milovidov
Merge pull request #94490 from ClickHouse/backport/25.12/94466
e425ed1 
Backport #94466 to 25.12: Fix crash with disabled `send_profile_events`
zvonand pushed a commit to Altinity/ClickHouse that referenced this pull request Mar 11, 2026
@alexey-milovidov @zvonand
Merge pull request ClickHouse#94466 from ClickHouse/fix-crash-in-disa…
6ae1089 
…bled-send-profile-events

Fix crash with disabled `send_profile_events`
zvonand pushed a commit to Altinity/ClickHouse that referenced this pull request Mar 11, 2026
@alexey-milovidov @zvonand
Merge pull request ClickHouse#94466 from ClickHouse/fix-crash-in-disa…
3d9cd3e 
…bled-send-profile-events

Fix crash with disabled `send_profile_events`
@zvonand zvonand mentioned this pull request Mar 11, 2026
Merged
25 tasks
zvonand added a commit to Altinity/ClickHouse that referenced this pull request Mar 14, 2026
@zvonand
Merge pull request #1515 from Altinity/backports/customizations/24.8.…
0a36d2f 
…14/94466

24.8.14 Stable Backport of ClickHouse#94466: Fix crash with disabled `send_profile_events`
zvonand pushed a commit to Altinity/ClickHouse that referenced this pull request Mar 17, 2026
@alexey-milovidov @zvonand
Merge pull request ClickHouse#94466 from ClickHouse/fix-crash-in-disa…
d946daa 
…bled-send-profile-events

Fix crash with disabled `send_profile_events`
@zvonand zvonand mentioned this pull request Mar 17, 2026
Merged
@CheSema CheSema self-assigned this Mar 25, 2026
@CheSema CheSema added the post-approved Approved, but after the PR is merged. label Mar 25, 2026
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Segmentation fault (STID: 3075-3638)

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@alexey-milovidov @zvonand @robot-ch-test-poll2 @robot-ch-test-poll4 @CheSema @svb-alt