gocryptfs/tests/cluster/poc_test.go, branch LockSharedStorage_rebase2 Mirror of gocryptfs source code on Github http://nuetzlich.net/cgit/gocryptfs/atom?h=LockSharedStorage_rebase2 2026-07-16T19:20:29+00:00 sharedstorage: fix darwin & freebsd build failure 2026-07-16T19:20:29+00:00 Jakob Unterwurzacher 2026-07-16T19:16:45+00:00 urn:sha1:835cd40733d63bce9a4bd843482766c246495044 tests/cluster: add TestPoCTornWriteLocked 2026-07-16T18:10:19+00:00 Jakob Unterwurzacher 2023-06-09T12:33:07+00:00 urn:sha1:0df7f624c82c23049f8c404e5235b44fe174efcb tests/cluster: add TestPoCTornWrite 2026-07-16T18:10:19+00:00 Jakob Unterwurzacher 2023-06-08T13:50:05+00:00 urn:sha1:11cae523c9758fabe7ed1a24aaccf82d461dafb0 Scary. But explains why TestConcurrentCreate fails. gocryptfs/tests/cluster$ go test -run TestPoCTornWrite --- FAIL: TestPoCTornWrite (0.00s) poc_test.go:210: iteration 214: inconsistent block: d6d6d6d6d6d6d6d6d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1d1 FAIL tests/cluster: add TestPoCHeaderCreation 2026-07-16T18:10:19+00:00 Jakob Unterwurzacher 2023-06-05T11:28:11+00:00 urn:sha1:a860b86b00652ac50b8bf23f9e783322ba39c67b fusefrontend: sharedstorage: use byte-range lock on file header creation 2026-07-16T17:56:48+00:00 Jakob Unterwurzacher 2023-06-02T12:24:44+00:00 urn:sha1:e56c2e44cc4dd1484cae78956f8ff72a9eea42f2 Multiple host writing to the same empty file at the same time could have overwritten each other's newly created file header, leading to data corruption. Fix the race by placing a byte-range lock on the file when creating the file header.