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Diffstat (limited to 'src/mime/multipart/formdata.go')
| -rw-r--r-- | src/mime/multipart/formdata.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mime/multipart/formdata.go b/src/mime/multipart/formdata.go index 832d0ad693..4eb3101294 100644 --- a/src/mime/multipart/formdata.go +++ b/src/mime/multipart/formdata.go @@ -7,6 +7,7 @@ package multipart import ( "bytes" "errors" + "fmt" "io" "io/ioutil" "net/textproto" @@ -41,6 +42,9 @@ func (r *Reader) readForm(maxMemory int64) (_ *Form, err error) { // Reserve an additional 10 MB for non-file parts. maxValueBytes := maxMemory + int64(10<<20) + if maxValueBytes <= 0 { + return nil, fmt.Errorf("multipart: integer overflow from maxMemory(%d) + 10MiB for non-file parts", maxMemory) + } for { p, err := r.NextPart() if err == io.EOF { |