From f177cec509666210fdacb141efa746242daf8f18 Mon Sep 17 00:00:00 2001 From: Chris Lu Date: Wed, 5 Sep 2018 02:17:04 -0700 Subject: [PATCH] avoid slice out of bounds avoid this problem 2018/09/04 16:27:14 fuse: panic in handler for Write [ID=0x27c0d Node=0x2 Uid=0 Gid=0 Pid=0] 0x1 131072 @10607788032 fl=WriteCache lock=0 ffl=OpenReadOnly: runtime error: slice bounds out of range goroutine 211141 [running]: bazil.org/fuse/fs.(*Server).serve.func2(0x10d3e60, 0xc00014be30, 0xc00052fef8, 0xc00052fe77) /home/travis/gopath/src/bazil.org/fuse/fs/serve.go:857 +0x1ac panic(0xe2d080, 0x17f62b0) /home/travis/.gimme/versions/go/src/runtime/panic.go:513 +0x1b9 github.com/chrislusf/seaweedfs/weed/filesys.(*ContinuousDirtyPages).saveToStorage(0xc0000aca80, 0x10d7ba0, 0xc0003fcc00, 0xc0005dc000, 0x20000, 0x1000000, 0x276720000, 0xc0003feaa0, 0x0, 0x0) /home/travis/gopath/src/github.com/chrislusf/seaweedfs/weed/filesys/dirty_page.go:142 +0x8ec github.com/chrislusf/seaweedfs/weed/filesys.(*ContinuousDirtyPages).saveExistingPagesToStorage(0xc0000aca80, 0x10d7ba0, 0xc0003fcc00, 0x0, 0x0, 0x0) /home/travis/gopath/src/github.com/chrislusf/seaweedfs/weed/filesys/dirty_page.go:107 +0x6c github.com/chrislusf/seaweedfs/weed/filesys.(*ContinuousDirtyPages).AddPage(0xc0000aca80, 0x10d7ba0, 0xc0003fcc00, 0x278460000, 0xc011966050, 0x20000, 0x20fb0, 0x6fc23ac00, 0x4a817c800, 0x0, ...) /home/travis/gopath/src/github.com/chrislusf/seaweedfs/weed/filesys/dirty_page.go:70 +0x8f github.com/chrislusf/seaweedfs/weed/filesys.(*FileHandle).Write(0xc000548410, 0x10d7ba0, 0xc0003fcc00, 0xc00014be30, 0xc011946af8, 0x47fa01, 0x0) /home/travis/gopath/src/github.com/chrislusf/seaweedfs/weed/filesys/filehandle.go:141 +0x245 bazil.org/fuse/fs.(*Server).handleRequest(0xc0002cc0c0, 0x10d7ba0, 0xc0003fcc00, 0x10cb020, 0xc000394140, 0xc0000acac0, 0x10d3e60, 0xc00014be30, 0xc00052fef8, 0x10ca6a0, ...) /home/travis/gopath/src/bazil.org/fuse/fs/serve.go:1265 +0x1599 bazil.org/fuse/fs.(*Server).serve(0xc0002cc0c0, 0x10d3e60, 0xc00014be30) /home/travis/gopath/src/bazil.org/fuse/fs/serve.go:878 +0x410 bazil.org/fuse/fs.(*Server).Serve.func1(0xc0002cc0c0, 0x10d3e60, 0xc00014be30) /home/travis/gopath/src/bazil.org/fuse/fs/serve.go:425 +0x6e created by bazil.org/fuse/fs.(*Server).Serve /home/travis/gopath/src/bazil.org/fuse/fs/serve.go:423 +0x321 --- weed/filesys/dirty_page.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/weed/filesys/dirty_page.go b/weed/filesys/dirty_page.go index 877932610..f4e47950e 100644 --- a/weed/filesys/dirty_page.go +++ b/weed/filesys/dirty_page.go @@ -139,7 +139,7 @@ func (pages *ContinuousDirtyPages) saveToStorage(ctx context.Context, buf []byte } fileUrl := fmt.Sprintf("http://%s/%s", host, fileId) - bufReader := bytes.NewReader(pages.Data[:pages.Size]) + bufReader := bytes.NewReader(buf) uploadResult, err := operation.Upload(fileUrl, pages.f.Name, bufReader, false, "application/octet-stream", nil, "") if err != nil { glog.V(0).Infof("upload data %v to %s: %v", pages.f.Name, fileUrl, err)