25-1-1: healthcheck segfault while retrying Whiteboard (#17836)

[vporyadke]

Changelog entry

Fix segfault that could happen while retrying Whiteboard requests #18145

Changelog category

• Bugfix

Description for reviewers

backport of #17836

[github-actions]

⚪ 2025-05-27 11:59:07 UTC Pre-commit check linux-x86_64-relwithdebinfo for 2ff4faf has started.
⚪ 2025-05-27 11:59:11 UTC Artifacts will be uploaded here
⚪ 2025-05-27 12:02:13 UTC ya make is running...
🟡 2025-05-27 13:00:52 UTC Some tests failed, follow the links below. Going to retry failed tests...

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
18937	17658	0	4	1213	62

⚪ 2025-05-27 13:02:24 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-05-27 13:23:19 UTC Tests successful.

Test history | Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
131 (only retried tests)	65	0	0	7	59

🟢 2025-05-27 13:23:26 UTC Build successful.
🟢 2025-05-27 13:23:46 UTC ydbd size 2.1 GiB changed* by +336 Bytes, which is < 100.0 KiB vs stable-25-1-1: OK

ydbd size dash	stable-25-1-1: f9fc96c	merge: 2ff4faf	diff	diff %
ydbd size	2 243 579 512 Bytes	2 243 579 848 Bytes	+336 Bytes	+0.000%
ydbd stripped size	475 086 840 Bytes	475 086 968 Bytes	+128 Bytes	+0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}

[github-actions]

⚪ 2025-05-27 11:59:44 UTC Pre-commit check linux-x86_64-release-asan for 2ff4faf has started.
⚪ 2025-05-27 11:59:55 UTC Artifacts will be uploaded here
⚪ 2025-05-27 12:02:54 UTC ya make is running...
🟡 2025-05-27 13:15:17 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
11842	11757	0	35	11	39

⚪ 2025-05-27 13:16:21 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-05-27 13:36:50 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Test history | Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
138 (only retried tests)	95	0	2	8	33

⚪ 2025-05-27 13:37:00 UTC ya make is running... (failed tests rerun, try 3)
🟡 2025-05-27 13:56:53 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

Test history | Ya make output | Test bloat | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
71 (only retried tests)	33	0	2	3	33

🟢 2025-05-27 13:56:59 UTC Build successful.
🟢 2025-05-27 13:57:27 UTC ydbd size 3.6 GiB changed* by +944 Bytes, which is < 100.0 KiB vs stable-25-1-1: OK

ydbd size dash	stable-25-1-1: f9fc96c	merge: 2ff4faf	diff	diff %
ydbd size	3 902 738 392 Bytes	3 902 739 336 Bytes	+944 Bytes	+0.000%
ydbd stripped size	1 365 704 496 Bytes	1 365 704 752 Bytes	+256 Bytes	+0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}