Backport an upstream fix for a nil header

353d5951da 7c984ea66e
2024-10-29 18:07:27 +01:00 · 2015-06-05 11:45:53 -05:00 · 2015-06-05 11:45:53 -05:00 · 15916f0ab0
commit 15916f0ab0
parent e151e38181
1 changed files with 1 additions and 0 deletions
--- a/lib/rbmysql/protocol.rb
+++ b/lib/rbmysql/protocol.rb
@ -234,6 +234,7 @@ class RbMysql
      begin
        Timeout.timeout @read_timeout do
          header = @sock.read(4)
+          raise EOFError unless header && header.length == 4
          len1, len2, seq = header.unpack("CvC")
          len = (len2 << 8) + len1
          # Ignore the sequence number -- protocol differences between 4.x and 5.x