FSFileState::DropRandomUnsyncedData error

[Yuval-Ariel]

`
==14266==ERROR: AddressSanitizer: FPE on unknown address 0x560f32c7b5a6 (pc 0x560f32c7b5a6 bp 0x7ffeb6320a30 sp 0x7ffeb6320a20 T0)

#0 0x560f32c7b5a5 in rocksdb::FSFileState::DropRandomUnsyncedData(rocksdb::Random*) utilities/fault_injection_fs.cc:88
#1 0x560f32c7bb0c in rocksdb::FaultInjectionTestFS::DropRandomUnsyncedFileData(rocksdb::Random*) utilities/fault_injection_fs.cc:880
#2 0x560f31bf7720 in rocksdb::StressTest::Open(rocksdb::SharedState*) db_stress_tool/db_stress_test_base.cc:2659
#3 0x560f31bfcabe in rocksdb::StressTest::InitDb(rocksdb::SharedState*) db_stress_tool/db_stress_test_base.cc:308
#4 0x560f31b88b84 in rocksdb::RunStressTest(rocksdb::StressTest*) db_stress_tool/db_stress_driver.cc:76
#5 0x560f31ac4905 in rocksdb::db_stress_tool(int, char**) db_stress_tool/db_stress_tool.cc:366
#6 0x7f8c0245ec86 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21c86)
#7 0x560f31abfca9 in _start (/__w/speedb/speedb/db_stress+0x2bfca9)

logs_3768.zip

`
happens sometimes when running the ci.

started happening after the merging #380 .

[Yuval-Ariel]

@Guyme your attention. is this a critical bug @mrambacher ?

[mrambacher]

@Guyme your attention. is this a critical bug @mrambacher ?

I think this is a problem in the test code and not the code itself. I think when the PR was merged, a fix in the test code was accidentally reverted.