7y-9 8a71327324 fix: report short S3 ReaderAt reads (#10345) ...

* fix: report short S3 ReaderAt reads

Problem: S3BackendStorageFile.ReadAt returned a short buffer with a nil error, hiding truncated remote data.

Root cause: Every terminal io.EOF was cleared regardless of how many bytes were read.

Fix: Clear io.EOF only when the requested buffer was completely filled.

Validation: go test ./weed/storage/backend/...
Co-authored-by: Codex <noreply@openai.com>

* fix: validate S3 ReaderAt requests

Co-authored-by: Codex <noreply@openai.com>

* s3 ReadAt: simplify negative offset error

* s3 ReadAt: stop reading once the buffer is full

Skips the extra Read that only collected the terminal EOF, and bounds
the loop if the server ignores the Range header and returns more data
than requested, where Read on an empty slice can spin forever.

* s3 ReadAt: cover full reads that arrive with io.EOF

---------

Co-authored-by: Codex <noreply@openai.com>
Co-authored-by: Chris Lu <chris.lu@gmail.com>

2026-07-16 02:05:20 -07:00

..

all

storage: register tier backends at the binary composition root (#9989)

2026-06-16 11:47:32 -07:00

memory_map

go fix

2026-02-20 18:42:00 -08:00

rclone_backend

fix(tiering): never delete a shared remote object while replicas still reference it (#9942)

2026-06-13 20:09:00 -07:00

s3_backend

fix: report short S3 ReaderAt reads (#10345)

2026-07-16 02:05:20 -07:00

backend.go

chore: execute goimports to format the code (#7983)

2026-01-07 13:06:08 -08:00

disk_file.go

perf(cache): drop OS page cache after disk cache reads (#9098)

2026-04-16 09:38:42 -07:00

volume_create_linux.go

go fix

2026-02-20 18:42:00 -08:00

volume_create_windows.go

go fix

2026-02-20 18:42:00 -08:00

volume_create.go

go fix

2026-02-20 18:42:00 -08:00