PDisk coredump in log read queue

[SammyVimes]

May 21 11:30:07 ydb-vla-dev01-004 kikimr[384958]: ==384958==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60e00039eec0 at pc 0x00003f4ef8fe bp 0x7fa41f2088f0 sp 0x7fa41f2088e8
May 21 11:30:07 ydb-vla-dev01-004 kikimr[384958]: WRITE of size 8 at 0x60e00039eec0 thread T261 (PDisk)
May 21 11:30:10 ydb-vla-dev01-004 kikimr[384958]: #0 0x3f4ef8fd in NKikimr::NPDisk::TPDisk::ProcessLogReadQueue() /home/alexvru/work/ydb/core/blobstorage/pdisk/blobstorage_pdisk_impl_log.cpp:596:44
May 21 11:30:10 ydb-vla-dev01-004 kikimr[384958]: #1 0x3f347500 in NKikimr::NPDisk::TPDisk::Update() /home/alexvru/work/ydb/core/blobstorage/pdisk/blobstorage_pdisk_impl.cpp:3620:5
May 21 11:30:10 ydb-vla-dev01-004 kikimr[384958]: #2 0x3f34cefd in NKikimr::NPDisk::TPDiskThread::Exec() /home/alexvru/work/ydb/core/blobstorage/pdisk/blobstorage_pdisk_thread.h:33:19
May 21 11:30:10 ydb-vla-dev01-004 kikimr[384958]: #3 0x3f34cefd in NKikimr::NPDisk::TPDiskThread::ThreadProc(void*) /home/alexvru/work/ydb/core/blobstorage/pdisk/blobstorage_pdisk_thread.h:27:44
May 21 11:30:10 ydb-vla-dev01-004 kikimr[384958]: #4 0x212dd367 in (anonymous namespace)::TPosixThread::ThreadProxy(void*) /home/alexvru/work/util/system/thread.cpp:244:20
May 21 11:30:10 ydb-vla-dev01-004 kikimr[384958]: #5 0x7fa517079608 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x8608) (BuildId: 0c044ba611aeeeaebb8374e660061f341ebc0bac)
May 21 11:30:10 ydb-vla-dev01-004 kikimr[384958]: #6 0x7fa516f99352 in clone (/lib/x86_64-linux-gnu/libc.so.6+0x11f352) (BuildId: eebe5d5f4b608b8a53ec446b63981bba373ca0ca)