Fix PDisk shred free chunks in transit and after vdisk deletion (#18279)

[the-ancient-1]

Changelog entry

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Description for reviewers

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[github-actions]

🟢 2025-05-15 10:39:48 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-05-15 11:21:17 UTC Pre-commit check linux-x86_64-release-asan for 3ff6af6 has started.
⚪ 2025-05-15 11:21:48 UTC Artifacts will be uploaded here
⚪ 2025-05-15 11:25:44 UTC ya make is running...
🟡 2025-05-15 13:10:03 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Details

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
12816	12694	0	37	51	34

⚪ 2025-05-15 13:11:12 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-05-15 13:31:36 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Details

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
166 (only retried tests)	85	0	8	41	32

⚪ 2025-05-15 13:31:44 UTC ya make is running... (failed tests rerun, try 3)
🟡 2025-05-15 13:51:40 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?
109 (only retried tests)	37	0	7	33	32

🟢 2025-05-15 13:51:47 UTC Build successful.
🟢 2025-05-15 13:52:15 UTC ydbd size 3.6 GiB changed* by +52.9 KiB, which is < 100.0 KiB vs stable-25-1: OK

ydbd size dash	stable-25-1: a3e836e	merge: 3ff6af6	diff	diff %
ydbd size	3 912 498 160 Bytes	3 912 552 336 Bytes	+52.9 KiB	+0.001%
ydbd stripped size	1 368 422 768 Bytes	1 368 447 472 Bytes	+24.1 KiB	+0.002%

^{*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]

⚪ 2025-05-15 11:33:46 UTC Pre-commit check linux-x86_64-relwithdebinfo for 3ff6af6 has started.
⚪ 2025-05-15 11:34:11 UTC Artifacts will be uploaded here
⚪ 2025-05-15 11:37:43 UTC ya make is running...
🟡 2025-05-15 13:14:07 UTC Some tests failed, follow the links below. Going to retry failed tests...

Details

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
19856	18582	0	2	1210	62

⚪ 2025-05-15 13:15:45 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-05-15 13:36:20 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
124 (only retried tests)	66	0	0	0	58

🟢 2025-05-15 13:36:27 UTC Build successful.
🟡 2025-05-15 13:36:48 UTC ydbd size 2.1 GiB changed* by +118.3 KiB, which is >= 100.0 KiB vs stable-25-1: Warning

ydbd size dash	stable-25-1: 7a9a4c6	merge: 3ff6af6	diff	diff %
ydbd size	2 249 014 112 Bytes	2 249 135 296 Bytes	+118.3 KiB	+0.005%
ydbd stripped size	475 964 920 Bytes	475 989 208 Bytes	+23.7 KiB	+0.005%

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