Update golang.org/x/net dependency

go.mod

@@ -34,7 +34,7 @@ require (
 	github.com/spf13/pflag v1.0.5
 	github.com/vishvananda/netlink v1.1.0
 	github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df
-	golang.org/x/net v0.0.0-20191004110552-13f9640d40b9
+	golang.org/x/net v0.0.0-20200625001655-4c5254603344
 	golang.org/x/sys v0.0.0-20200812155832-6a926be9bd1d // indirect
 	gopkg.in/ini.v1 v1.61.0 // indirect
 	gotest.tools v2.2.0+incompatible // indirect

go.sum

@@ -244,6 +244,8 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200220183623-bac4c82f6975 h1:/Tl7pH94bvbAAHBdZJT947M/+gp0+CqQXDtMRC0fseo=
 golang.org/x/crypto v0.0.0-20200220183623-bac4c82f6975/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
@@ -261,6 +263,8 @@ golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20191004110552-13f9640d40b9 h1:rjwSpXsdiK0dV8/Naq3kAw9ymfAeJIyd0upUIElB+lI=
 golang.org/x/net v0.0.0-20191004110552-13f9640d40b9/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200625001655-4c5254603344 h1:vGXIOMxbNfDTk/aXCmfdLgkrSV+Z2tcbze+pEc3v5W4=
+golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45 h1:SVwTIAaPC2U/AvvLNZ2a7OVsmBpC8L5BlwK1whH3hm0=
@@ -282,6 +286,7 @@ golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190606203320-7fc4e5ec1444/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191022100944-742c48ecaeb7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200302150141-5c8b2ff67527/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200812155832-6a926be9bd1d h1:QQrM/CCYEzTs91GZylDCQjGHudbPTxF/1fvXdVh5lMo=
 golang.org/x/sys v0.0.0-20200812155832-6a926be9bd1d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.0.0-20160726164857-2910a502d2bf/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=

vendor/golang.org/x/crypto/ssh/terminal/terminal.go

@@ -113,6 +113,7 @@ func NewTerminal(c io.ReadWriter, prompt string) *Terminal {
 }
 
 const (
+	keyCtrlC     = 3
 	keyCtrlD     = 4
 	keyCtrlU     = 21
 	keyEnter     = '\r'
@@ -151,8 +152,12 @@ func bytesToKey(b []byte, pasteActive bool) (rune, []byte) {
 		switch b[0] {
 		case 1: // ^A
 			return keyHome, b[1:]
+		case 2: // ^B
+			return keyLeft, b[1:]
 		case 5: // ^E
 			return keyEnd, b[1:]
+		case 6: // ^F
+			return keyRight, b[1:]
 		case 8: // ^H
 			return keyBackspace, b[1:]
 		case 11: // ^K
@@ -738,6 +743,9 @@ func (t *Terminal) readLine() (line string, err error) {
 						return "", io.EOF
 					}
 				}
+				if key == keyCtrlC {
+					return "", io.EOF
+				}
 				if key == keyPasteStart {
 					t.pasteActive = true
 					if len(t.line) == 0 {

vendor/golang.org/x/net/html/const.go

@@ -52,7 +52,6 @@ var isSpecialElementMap = map[string]bool{
 	"iframe":     true,
 	"img":        true,
 	"input":      true,
-	"isindex":    true, // The 'isindex' element has been removed, but keep it for backwards compatibility.
 	"keygen":     true,
 	"li":         true,
 	"link":       true,

vendor/golang.org/x/net/html/foreign.go

@@ -172,7 +172,6 @@ var svgAttributeAdjustments = map[string]string{
 	"diffuseconstant":           "diffuseConstant",
 	"edgemode":                  "edgeMode",
 	"externalresourcesrequired": "externalResourcesRequired",
-	"filterres":                 "filterRes",
 	"filterunits":               "filterUnits",
 	"glyphref":                  "glyphRef",
 	"gradienttransform":         "gradientTransform",

vendor/golang.org/x/net/html/node.go

@@ -18,6 +18,11 @@ const (
 	ElementNode
 	CommentNode
 	DoctypeNode
+	// RawNode nodes are not returned by the parser, but can be part of the
+	// Node tree passed to func Render to insert raw HTML (without escaping).
+	// If so, this package makes no guarantee that the rendered HTML is secure
+	// (from e.g. Cross Site Scripting attacks) or well-formed.
+	RawNode
 	scopeMarkerNode
 )
 

vendor/golang.org/x/net/html/parse.go

@@ -184,6 +184,17 @@ func (p *parser) clearStackToContext(s scope) {
 	}
 }
 
+// parseGenericRawTextElements implements the generic raw text element parsing
+// algorithm defined in 12.2.6.2.
+// https://html.spec.whatwg.org/multipage/parsing.html#parsing-elements-that-contain-only-text
+// TODO: Since both RAWTEXT and RCDATA states are treated as tokenizer's part
+// officially, need to make tokenizer consider both states.
+func (p *parser) parseGenericRawTextElement() {
+	p.addElement()
+	p.originalIM = p.im
+	p.im = textIM
+}
+
 // generateImpliedEndTags pops nodes off the stack of open elements as long as
 // the top node has a tag name of dd, dt, li, optgroup, option, p, rb, rp, rt or rtc.
 // If exceptions are specified, nodes with that name will not be popped off.
@@ -192,16 +203,17 @@ func (p *parser) generateImpliedEndTags(exceptions ...string) {
 loop:
 	for i = len(p.oe) - 1; i >= 0; i-- {
 		n := p.oe[i]
-		if n.Type == ElementNode {
+		if n.Type != ElementNode {
-			switch n.DataAtom {
+			break
-			case a.Dd, a.Dt, a.Li, a.Optgroup, a.Option, a.P, a.Rb, a.Rp, a.Rt, a.Rtc:
+		}
-				for _, except := range exceptions {
+		switch n.DataAtom {
-					if n.Data == except {
+		case a.Dd, a.Dt, a.Li, a.Optgroup, a.Option, a.P, a.Rb, a.Rp, a.Rt, a.Rtc:
-						break loop
+			for _, except := range exceptions {
-					}
+				if n.Data == except {
+					break loop
 				}
-				continue
 			}
+			continue
 		}
 		break
 	}
@@ -369,8 +381,7 @@ findIdenticalElements:
 // Section 12.2.4.3.
 func (p *parser) clearActiveFormattingElements() {
 	for {
-		n := p.afe.pop()
+		if n := p.afe.pop(); len(p.afe) == 0 || n.Type == scopeMarkerNode {
-		if len(p.afe) == 0 || n.Type == scopeMarkerNode {
 			return
 		}
 	}
@@ -625,25 +636,29 @@ func inHeadIM(p *parser) bool {
 		switch p.tok.DataAtom {
 		case a.Html:
 			return inBodyIM(p)
-		case a.Base, a.Basefont, a.Bgsound, a.Command, a.Link, a.Meta:
+		case a.Base, a.Basefont, a.Bgsound, a.Link, a.Meta:
 			p.addElement()
 			p.oe.pop()
 			p.acknowledgeSelfClosingTag()
 			return true
 		case a.Noscript:
-			p.addElement()
 			if p.scripting {
-				p.setOriginalIM()
+				p.parseGenericRawTextElement()
-				p.im = textIM
+				return true
-			} else {
-				p.im = inHeadNoscriptIM
 			}
+			p.addElement()
+			p.im = inHeadNoscriptIM
+			// Don't let the tokenizer go into raw text mode when scripting is disabled.
+			p.tokenizer.NextIsNotRawText()
 			return true
-		case a.Script, a.Title, a.Noframes, a.Style:
+		case a.Script, a.Title:
 			p.addElement()
 			p.setOriginalIM()
 			p.im = textIM
 			return true
+		case a.Noframes, a.Style:
+			p.parseGenericRawTextElement()
+			return true
 		case a.Head:
 			// Ignore the token.
 			return true
@@ -855,7 +870,7 @@ func inBodyIM(p *parser) bool {
 				return true
 			}
 			copyAttributes(p.oe[0], p.tok)
-		case a.Base, a.Basefont, a.Bgsound, a.Command, a.Link, a.Meta, a.Noframes, a.Script, a.Style, a.Template, a.Title:
+		case a.Base, a.Basefont, a.Bgsound, a.Link, a.Meta, a.Noframes, a.Script, a.Style, a.Template, a.Title:
 			return inHeadIM(p)
 		case a.Body:
 			if p.oe.contains(a.Template) {
@@ -881,7 +896,7 @@ func inBodyIM(p *parser) bool {
 			p.addElement()
 			p.im = inFramesetIM
 			return true
-		case a.Address, a.Article, a.Aside, a.Blockquote, a.Center, a.Details, a.Dir, a.Div, a.Dl, a.Fieldset, a.Figcaption, a.Figure, a.Footer, a.Header, a.Hgroup, a.Menu, a.Nav, a.Ol, a.P, a.Section, a.Summary, a.Ul:
+		case a.Address, a.Article, a.Aside, a.Blockquote, a.Center, a.Details, a.Dialog, a.Dir, a.Div, a.Dl, a.Fieldset, a.Figcaption, a.Figure, a.Footer, a.Header, a.Hgroup, a.Main, a.Menu, a.Nav, a.Ol, a.P, a.Section, a.Summary, a.Ul:
 			p.popUntil(buttonScope, a.P)
 			p.addElement()
 		case a.H1, a.H2, a.H3, a.H4, a.H5, a.H6:
@@ -1014,53 +1029,6 @@ func inBodyIM(p *parser) bool {
 			p.tok.DataAtom = a.Img
 			p.tok.Data = a.Img.String()
 			return false
-		case a.Isindex:
-			if p.form != nil {
-				// Ignore the token.
-				return true
-			}
-			action := ""
-			prompt := "This is a searchable index. Enter search keywords: "
-			attr := []Attribute{{Key: "name", Val: "isindex"}}
-			for _, t := range p.tok.Attr {
-				switch t.Key {
-				case "action":
-					action = t.Val
-				case "name":
-					// Ignore the attribute.
-				case "prompt":
-					prompt = t.Val
-				default:
-					attr = append(attr, t)
-				}
-			}
-			p.acknowledgeSelfClosingTag()
-			p.popUntil(buttonScope, a.P)
-			p.parseImpliedToken(StartTagToken, a.Form, a.Form.String())
-			if p.form == nil {
-				// NOTE: The 'isindex' element has been removed,
-				// and the 'template' element has not been designed to be
-				// collaborative with the index element.
-				//
-				// Ignore the token.
-				return true
-			}
-			if action != "" {
-				p.form.Attr = []Attribute{{Key: "action", Val: action}}
-			}
-			p.parseImpliedToken(StartTagToken, a.Hr, a.Hr.String())
-			p.parseImpliedToken(StartTagToken, a.Label, a.Label.String())
-			p.addText(prompt)
-			p.addChild(&Node{
-				Type:     ElementNode,
-				DataAtom: a.Input,
-				Data:     a.Input.String(),
-				Attr:     attr,
-			})
-			p.oe.pop()
-			p.parseImpliedToken(EndTagToken, a.Label, a.Label.String())
-			p.parseImpliedToken(StartTagToken, a.Hr, a.Hr.String())
-			p.parseImpliedToken(EndTagToken, a.Form, a.Form.String())
 		case a.Textarea:
 			p.addElement()
 			p.setOriginalIM()
@@ -1070,18 +1038,21 @@ func inBodyIM(p *parser) bool {
 			p.popUntil(buttonScope, a.P)
 			p.reconstructActiveFormattingElements()
 			p.framesetOK = false
-			p.addElement()
+			p.parseGenericRawTextElement()
-			p.setOriginalIM()
-			p.im = textIM
 		case a.Iframe:
 			p.framesetOK = false
+			p.parseGenericRawTextElement()
+		case a.Noembed:
+			p.parseGenericRawTextElement()
+		case a.Noscript:
+			if p.scripting {
+				p.parseGenericRawTextElement()
+				return true
+			}
+			p.reconstructActiveFormattingElements()
 			p.addElement()
-			p.setOriginalIM()
+			// Don't let the tokenizer go into raw text mode when scripting is disabled.
-			p.im = textIM
+			p.tokenizer.NextIsNotRawText()
-		case a.Noembed, a.Noscript:
-			p.addElement()
-			p.setOriginalIM()
-			p.im = textIM
 		case a.Select:
 			p.reconstructActiveFormattingElements()
 			p.addElement()
@@ -1137,7 +1108,7 @@ func inBodyIM(p *parser) bool {
 				return false
 			}
 			return true
-		case a.Address, a.Article, a.Aside, a.Blockquote, a.Button, a.Center, a.Details, a.Dir, a.Div, a.Dl, a.Fieldset, a.Figcaption, a.Figure, a.Footer, a.Header, a.Hgroup, a.Listing, a.Menu, a.Nav, a.Ol, a.Pre, a.Section, a.Summary, a.Ul:
+		case a.Address, a.Article, a.Aside, a.Blockquote, a.Button, a.Center, a.Details, a.Dialog, a.Dir, a.Div, a.Dl, a.Fieldset, a.Figcaption, a.Figure, a.Footer, a.Header, a.Hgroup, a.Listing, a.Main, a.Menu, a.Nav, a.Ol, a.Pre, a.Section, a.Summary, a.Ul:
 			p.popUntil(defaultScope, p.tok.DataAtom)
 		case a.Form:
 			if p.oe.contains(a.Template) {
@@ -1198,14 +1169,13 @@ func inBodyIM(p *parser) bool {
 		if len(p.templateStack) > 0 {
 			p.im = inTemplateIM
 			return false
-		} else {
+		}
-			for _, e := range p.oe {
+		for _, e := range p.oe {
-				switch e.DataAtom {
+			switch e.DataAtom {
-				case a.Dd, a.Dt, a.Li, a.Optgroup, a.Option, a.P, a.Rb, a.Rp, a.Rt, a.Rtc, a.Tbody, a.Td, a.Tfoot, a.Th,
+			case a.Dd, a.Dt, a.Li, a.Optgroup, a.Option, a.P, a.Rb, a.Rp, a.Rt, a.Rtc, a.Tbody, a.Td, a.Tfoot, a.Th,
-					a.Thead, a.Tr, a.Body, a.Html:
+				a.Thead, a.Tr, a.Body, a.Html:
-				default:
+			default:
-					return true
+				return true
-				}
 			}
 		}
 	}
@@ -1221,9 +1191,15 @@ func (p *parser) inBodyEndTagFormatting(tagAtom a.Atom, tagName string) {
 	// Once the code successfully parses the comprehensive test suite, we should
 	// refactor this code to be more idiomatic.
 
-	// Steps 1-4. The outer loop.
+	// Steps 1-2
+	if current := p.oe.top(); current.Data == tagName && p.afe.index(current) == -1 {
+		p.oe.pop()
+		return
+	}
+
+	// Steps 3-5. The outer loop.
 	for i := 0; i < 8; i++ {
-		// Step 5. Find the formatting element.
+		// Step 6. Find the formatting element.
 		var formattingElement *Node
 		for j := len(p.afe) - 1; j >= 0; j-- {
 			if p.afe[j].Type == scopeMarkerNode {
@@ -1238,17 +1214,22 @@ func (p *parser) inBodyEndTagFormatting(tagAtom a.Atom, tagName string) {
 			p.inBodyEndTagOther(tagAtom, tagName)
 			return
 		}
+
+		// Step 7. Ignore the tag if formatting element is not in the stack of open elements.
 		feIndex := p.oe.index(formattingElement)
 		if feIndex == -1 {
 			p.afe.remove(formattingElement)
 			return
 		}
+		// Step 8. Ignore the tag if formatting element is not in the scope.
 		if !p.elementInScope(defaultScope, tagAtom) {
 			// Ignore the tag.
 			return
 		}
 
-		// Steps 9-10. Find the furthest block.
+		// Step 9. This step is omitted because it's just a parse error but no need to return.
+
+		// Steps 10-11. Find the furthest block.
 		var furthestBlock *Node
 		for _, e := range p.oe[feIndex:] {
 			if isSpecialElement(e) {
@@ -1265,47 +1246,65 @@ func (p *parser) inBodyEndTagFormatting(tagAtom a.Atom, tagName string) {
 			return
 		}
 
-		// Steps 11-12. Find the common ancestor and bookmark node.
+		// Steps 12-13. Find the common ancestor and bookmark node.
 		commonAncestor := p.oe[feIndex-1]
 		bookmark := p.afe.index(formattingElement)
 
-		// Step 13. The inner loop. Find the lastNode to reparent.
+		// Step 14. The inner loop. Find the lastNode to reparent.
 		lastNode := furthestBlock
 		node := furthestBlock
 		x := p.oe.index(node)
-		// Steps 13.1-13.2
+		// Step 14.1.
-		for j := 0; j < 3; j++ {
+		j := 0
-			// Step 13.3.
+		for {
+			// Step 14.2.
+			j++
+			// Step. 14.3.
 			x--
 			node = p.oe[x]
-			// Step 13.4 - 13.5.
+			// Step 14.4. Go to the next step if node is formatting element.
+			if node == formattingElement {
+				break
+			}
+			// Step 14.5. Remove node from the list of active formatting elements if
+			// inner loop counter is greater than three and node is in the list of
+			// active formatting elements.
+			if ni := p.afe.index(node); j > 3 && ni > -1 {
+				p.afe.remove(node)
+				// If any element of the list of active formatting elements is removed,
+				// we need to take care whether bookmark should be decremented or not.
+				// This is because the value of bookmark may exceed the size of the
+				// list by removing elements from the list.
+				if ni <= bookmark {
+					bookmark--
+				}
+				continue
+			}
+			// Step 14.6. Continue the next inner loop if node is not in the list of
+			// active formatting elements.
 			if p.afe.index(node) == -1 {
 				p.oe.remove(node)
 				continue
 			}
-			// Step 13.6.
+			// Step 14.7.
-			if node == formattingElement {
-				break
-			}
-			// Step 13.7.
 			clone := node.clone()
 			p.afe[p.afe.index(node)] = clone
 			p.oe[p.oe.index(node)] = clone
 			node = clone
-			// Step 13.8.
+			// Step 14.8.
 			if lastNode == furthestBlock {
 				bookmark = p.afe.index(node) + 1
 			}
-			// Step 13.9.
+			// Step 14.9.
 			if lastNode.Parent != nil {
 				lastNode.Parent.RemoveChild(lastNode)
 			}
 			node.AppendChild(lastNode)
-			// Step 13.10.
+			// Step 14.10.
 			lastNode = node
 		}
 
-		// Step 14. Reparent lastNode to the common ancestor,
+		// Step 15. Reparent lastNode to the common ancestor,
 		// or for misnested table nodes, to the foster parent.
 		if lastNode.Parent != nil {
 			lastNode.Parent.RemoveChild(lastNode)
@@ -1317,13 +1316,13 @@ func (p *parser) inBodyEndTagFormatting(tagAtom a.Atom, tagName string) {
 			commonAncestor.AppendChild(lastNode)
 		}
 
-		// Steps 15-17. Reparent nodes from the furthest block's children
+		// Steps 16-18. Reparent nodes from the furthest block's children
 		// to a clone of the formatting element.
 		clone := formattingElement.clone()
 		reparentChildren(clone, furthestBlock)
 		furthestBlock.AppendChild(clone)
 
-		// Step 18. Fix up the list of active formatting elements.
+		// Step 19. Fix up the list of active formatting elements.
 		if oldLoc := p.afe.index(formattingElement); oldLoc != -1 && oldLoc < bookmark {
 			// Move the bookmark with the rest of the list.
 			bookmark--
@@ -1331,7 +1330,7 @@ func (p *parser) inBodyEndTagFormatting(tagAtom a.Atom, tagName string) {
 		p.afe.remove(formattingElement)
 		p.afe.insert(bookmark, clone)
 
-		// Step 19. Fix up the stack of open elements.
+		// Step 20. Fix up the stack of open elements.
 		p.oe.remove(formattingElement)
 		p.oe.insert(p.oe.index(furthestBlock)+1, clone)
 	}
@@ -1502,14 +1501,13 @@ func inCaptionIM(p *parser) bool {
 	case StartTagToken:
 		switch p.tok.DataAtom {
 		case a.Caption, a.Col, a.Colgroup, a.Tbody, a.Td, a.Tfoot, a.Thead, a.Tr:
-			if p.popUntil(tableScope, a.Caption) {
+			if !p.popUntil(tableScope, a.Caption) {
-				p.clearActiveFormattingElements()
-				p.im = inTableIM
-				return false
-			} else {
 				// Ignore the token.
 				return true
 			}
+			p.clearActiveFormattingElements()
+			p.im = inTableIM
+			return false
 		case a.Select:
 			p.reconstructActiveFormattingElements()
 			p.addElement()
@@ -1526,14 +1524,13 @@ func inCaptionIM(p *parser) bool {
 			}
 			return true
 		case a.Table:
-			if p.popUntil(tableScope, a.Caption) {
+			if !p.popUntil(tableScope, a.Caption) {
-				p.clearActiveFormattingElements()
-				p.im = inTableIM
-				return false
-			} else {
 				// Ignore the token.
 				return true
 			}
+			p.clearActiveFormattingElements()
+			p.im = inTableIM
+			return false
 		case a.Body, a.Col, a.Colgroup, a.Html, a.Tbody, a.Td, a.Tfoot, a.Th, a.Thead, a.Tr:
 			// Ignore the token.
 			return true
@@ -1777,12 +1774,11 @@ func inSelectIM(p *parser) bool {
 			}
 			p.addElement()
 		case a.Select:
-			if p.popUntil(selectScope, a.Select) {
+			if !p.popUntil(selectScope, a.Select) {
-				p.resetInsertionMode()
-			} else {
 				// Ignore the token.
 				return true
 			}
+			p.resetInsertionMode()
 		case a.Input, a.Keygen, a.Textarea:
 			if p.elementInScope(selectScope, a.Select) {
 				p.parseImpliedToken(EndTagToken, a.Select, a.Select.String())
@@ -1810,12 +1806,11 @@ func inSelectIM(p *parser) bool {
 				p.oe = p.oe[:i]
 			}
 		case a.Select:
-			if p.popUntil(selectScope, a.Select) {
+			if !p.popUntil(selectScope, a.Select) {
-				p.resetInsertionMode()
-			} else {
 				// Ignore the token.
 				return true
 			}
+			p.resetInsertionMode()
 		case a.Template:
 			return inHeadIM(p)
 		}
@@ -2136,28 +2131,31 @@ func parseForeignContent(p *parser) bool {
 			Data: p.tok.Data,
 		})
 	case StartTagToken:
-		b := breakout[p.tok.Data]
+		if !p.fragment {
-		if p.tok.DataAtom == a.Font {
+			b := breakout[p.tok.Data]
-		loop:
+			if p.tok.DataAtom == a.Font {
-			for _, attr := range p.tok.Attr {
+			loop:
-				switch attr.Key {
+				for _, attr := range p.tok.Attr {
-				case "color", "face", "size":
+					switch attr.Key {
-					b = true
+					case "color", "face", "size":
-					break loop
+						b = true
+						break loop
+					}
 				}
 			}
-		}
+			if b {
-		if b {
+				for i := len(p.oe) - 1; i >= 0; i-- {
-			for i := len(p.oe) - 1; i >= 0; i-- {
+					n := p.oe[i]
-				n := p.oe[i]
+					if n.Namespace == "" || htmlIntegrationPoint(n) || mathMLTextIntegrationPoint(n) {
-				if n.Namespace == "" || htmlIntegrationPoint(n) || mathMLTextIntegrationPoint(n) {
+						p.oe = p.oe[:i+1]
-					p.oe = p.oe[:i+1]
+						break
-					break
+					}
 				}
+				return false
 			}
-			return false
 		}
-		switch p.top().Namespace {
+		current := p.adjustedCurrentNode()
+		switch current.Namespace {
 		case "math":
 			adjustAttributeNames(p.tok.Attr, mathMLAttributeAdjustments)
 		case "svg":
@@ -2172,7 +2170,7 @@ func parseForeignContent(p *parser) bool {
 			panic("html: bad parser state: unexpected namespace")
 		}
 		adjustForeignAttributes(p.tok.Attr)
-		namespace := p.top().Namespace
+		namespace := current.Namespace
 		p.addElement()
 		p.top().Namespace = namespace
 		if namespace != "" {
@@ -2201,12 +2199,20 @@ func parseForeignContent(p *parser) bool {
 	return true
 }
 
+// Section 12.2.4.2.
+func (p *parser) adjustedCurrentNode() *Node {
+	if len(p.oe) == 1 && p.fragment && p.context != nil {
+		return p.context
+	}
+	return p.oe.top()
+}
+
 // Section 12.2.6.
 func (p *parser) inForeignContent() bool {
 	if len(p.oe) == 0 {
 		return false
 	}
-	n := p.oe[len(p.oe)-1]
+	n := p.adjustedCurrentNode()
 	if n.Namespace == "" {
 		return false
 	}
@@ -2341,8 +2347,7 @@ func ParseWithOptions(r io.Reader, opts ...ParseOption) (*Node, error) {
 		f(p)
 	}
 
-	err := p.parse()
+	if err := p.parse(); err != nil {
-	if err != nil {
 		return nil, err
 	}
 	return p.doc, nil
@@ -2364,7 +2369,6 @@ func ParseFragmentWithOptions(r io.Reader, context *Node, opts ...ParseOption) (
 		contextTag = context.DataAtom.String()
 	}
 	p := &parser{
-		tokenizer: NewTokenizerFragment(r, contextTag),
 		doc: &Node{
 			Type: DocumentNode,
 		},
@@ -2372,6 +2376,11 @@ func ParseFragmentWithOptions(r io.Reader, context *Node, opts ...ParseOption) (
 		fragment:  true,
 		context:   context,
 	}
+	if context != nil && context.Namespace != "" {
+		p.tokenizer = NewTokenizer(r)
+	} else {
+		p.tokenizer = NewTokenizerFragment(r, contextTag)
+	}
 
 	for _, f := range opts {
 		f(p)
@@ -2396,8 +2405,7 @@ func ParseFragmentWithOptions(r io.Reader, context *Node, opts ...ParseOption) (
 		}
 	}
 
-	err := p.parse()
+	if err := p.parse(); err != nil {
-	if err != nil {
 		return nil, err
 	}
 

vendor/golang.org/x/net/html/render.go

@@ -134,6 +134,9 @@ func render1(w writer, n *Node) error {
 			}
 		}
 		return w.WriteByte('>')
+	case RawNode:
+		_, err := w.WriteString(n.Data)
+		return err
 	default:
 		return errors.New("html: unknown node type")
 	}
@@ -252,20 +255,19 @@ func writeQuoted(w writer, s string) error {
 // Section 12.1.2, "Elements", gives this list of void elements. Void elements
 // are those that can't have any contents.
 var voidElements = map[string]bool{
-	"area":    true,
+	"area":   true,
-	"base":    true,
+	"base":   true,
-	"br":      true,
+	"br":     true,
-	"col":     true,
+	"col":    true,
-	"command": true,
+	"embed":  true,
-	"embed":   true,
+	"hr":     true,
-	"hr":      true,
+	"img":    true,
-	"img":     true,
+	"input":  true,
-	"input":   true,
+	"keygen": true,
-	"keygen":  true,
+	"link":   true,
-	"link":    true,
+	"meta":   true,
-	"meta":    true,
+	"param":  true,
-	"param":   true,
+	"source": true,
-	"source":  true,
+	"track":  true,
-	"track":   true,
+	"wbr":    true,
-	"wbr":     true,
 }

vendor/golang.org/x/net/html/token.go

@@ -296,8 +296,7 @@ func (z *Tokenizer) Buffered() []byte {
 // too many times in succession.
 func readAtLeastOneByte(r io.Reader, b []byte) (int, error) {
 	for i := 0; i < 100; i++ {
-		n, err := r.Read(b)
+		if n, err := r.Read(b); n != 0 || err != nil {
-		if n != 0 || err != nil {
 			return n, err
 		}
 	}
@@ -347,6 +346,7 @@ loop:
 			break loop
 		}
 		if c != '/' {
+			z.raw.end--
 			continue loop
 		}
 		if z.readRawEndTag() || z.err != nil {
@@ -1067,6 +1067,11 @@ loop:
 
 // Raw returns the unmodified text of the current token. Calling Next, Token,
 // Text, TagName or TagAttr may change the contents of the returned slice.
+//
+// The token stream's raw bytes partition the byte stream (up until an
+// ErrorToken). There are no overlaps or gaps between two consecutive token's
+// raw bytes. One implication is that the byte offset of the current token is
+// the sum of the lengths of all previous tokens' raw bytes.
 func (z *Tokenizer) Raw() []byte {
 	return z.buf[z.raw.start:z.raw.end]
 }

vendor/golang.org/x/net/http2/client_conn_pool.go

@@ -107,6 +107,7 @@ func (p *clientConnPool) getClientConn(req *http.Request, addr string, dialOnMis
 
 // dialCall is an in-flight Transport dial call to a host.
 type dialCall struct {
+	_    incomparable
 	p    *clientConnPool
 	done chan struct{} // closed when done
 	res  *ClientConn   // valid after done is closed
@@ -180,6 +181,7 @@ func (p *clientConnPool) addConnIfNeeded(key string, t *Transport, c *tls.Conn)
 }
 
 type addConnCall struct {
+	_    incomparable
 	p    *clientConnPool
 	done chan struct{} // closed when done
 	err  error
@@ -200,12 +202,6 @@ func (c *addConnCall) run(t *Transport, key string, tc *tls.Conn) {
 	close(c.done)
 }
 
-func (p *clientConnPool) addConn(key string, cc *ClientConn) {
-	p.mu.Lock()
-	p.addConnLocked(key, cc)
-	p.mu.Unlock()
-}
-
 // p.mu must be held
 func (p *clientConnPool) addConnLocked(key string, cc *ClientConn) {
 	for _, v := range p.conns[key] {

vendor/golang.org/x/net/http2/flow.go

@@ -8,6 +8,8 @@ package http2
 
 // flow is the flow control window's size.
 type flow struct {
+	_ incomparable
+
 	// n is the number of DATA bytes we're allowed to send.
 	// A flow is kept both on a conn and a per-stream.
 	n int32

vendor/golang.org/x/net/http2/hpack/encode.go

@@ -150,7 +150,7 @@ func appendIndexed(dst []byte, i uint64) []byte {
 // extended buffer.
 //
 // If f.Sensitive is true, "Never Indexed" representation is used. If
-// f.Sensitive is false and indexing is true, "Inremental Indexing"
+// f.Sensitive is false and indexing is true, "Incremental Indexing"
 // representation is used.
 func appendNewName(dst []byte, f HeaderField, indexing bool) []byte {
 	dst = append(dst, encodeTypeByte(indexing, f.Sensitive))

vendor/golang.org/x/net/http2/hpack/huffman.go

@@ -105,7 +105,14 @@ func huffmanDecode(buf *bytes.Buffer, maxLen int, v []byte) error {
 	return nil
 }
 
+// incomparable is a zero-width, non-comparable type. Adding it to a struct
+// makes that struct also non-comparable, and generally doesn't add
+// any size (as long as it's first).
+type incomparable [0]func()
+
 type node struct {
+	_ incomparable
+
 	// children is non-nil for internal nodes
 	children *[256]*node
 

vendor/golang.org/x/net/http2/http2.go

@@ -19,7 +19,6 @@ package http2 // import "golang.org/x/net/http2"
 import (
 	"bufio"
 	"crypto/tls"
-	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -173,11 +172,6 @@ func (s SettingID) String() string {
 	return fmt.Sprintf("UNKNOWN_SETTING_%d", uint16(s))
 }
 
-var (
-	errInvalidHeaderFieldName  = errors.New("http2: invalid header field name")
-	errInvalidHeaderFieldValue = errors.New("http2: invalid header field value")
-)
-
 // validWireHeaderFieldName reports whether v is a valid header field
 // name (key). See httpguts.ValidHeaderName for the base rules.
 //
@@ -247,6 +241,7 @@ func (cw closeWaiter) Wait() {
 // Its buffered writer is lazily allocated as needed, to minimize
 // idle memory usage with many connections.
 type bufferedWriter struct {
+	_  incomparable
 	w  io.Writer     // immutable
 	bw *bufio.Writer // non-nil when data is buffered
 }
@@ -319,6 +314,7 @@ func bodyAllowedForStatus(status int) bool {
 }
 
 type httpError struct {
+	_       incomparable
 	msg     string
 	timeout bool
 }
@@ -382,3 +378,8 @@ func (s *sorter) SortStrings(ss []string) {
 func validPseudoPath(v string) bool {
 	return (len(v) > 0 && v[0] == '/') || v == "*"
 }
+
+// incomparable is a zero-width, non-comparable type. Adding it to a struct
+// makes that struct also non-comparable, and generally doesn't add
+// any size (as long as it's first).
+type incomparable [0]func()

vendor/golang.org/x/net/http2/pipe.go

@@ -17,6 +17,7 @@ type pipe struct {
 	mu       sync.Mutex
 	c        sync.Cond     // c.L lazily initialized to &p.mu
 	b        pipeBuffer    // nil when done reading
+	unread   int           // bytes unread when done
 	err      error         // read error once empty. non-nil means closed.
 	breakErr error         // immediate read error (caller doesn't see rest of b)
 	donec    chan struct{} // closed on error
@@ -33,7 +34,7 @@ func (p *pipe) Len() int {
 	p.mu.Lock()
 	defer p.mu.Unlock()
 	if p.b == nil {
-		return 0
+		return p.unread
 	}
 	return p.b.Len()
 }
@@ -80,6 +81,7 @@ func (p *pipe) Write(d []byte) (n int, err error) {
 		return 0, errClosedPipeWrite
 	}
 	if p.breakErr != nil {
+		p.unread += len(d)
 		return len(d), nil // discard when there is no reader
 	}
 	return p.b.Write(d)
@@ -117,6 +119,9 @@ func (p *pipe) closeWithError(dst *error, err error, fn func()) {
 	}
 	p.readFn = fn
 	if dst == &p.breakErr {
+		if p.b != nil {
+			p.unread += p.b.Len()
+		}
 		p.b = nil
 	}
 	*dst = err

vendor/golang.org/x/net/http2/server.go

@@ -252,7 +252,7 @@ func ConfigureServer(s *http.Server, conf *Server) error {
 			}
 		}
 		if !haveRequired {
-			return fmt.Errorf("http2: TLSConfig.CipherSuites is missing an HTTP/2-required AES_128_GCM_SHA256 cipher.")
+			return fmt.Errorf("http2: TLSConfig.CipherSuites is missing an HTTP/2-required AES_128_GCM_SHA256 cipher (need at least one of TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 or TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256).")
 		}
 	}
 
@@ -322,7 +322,7 @@ type ServeConnOpts struct {
 }
 
 func (o *ServeConnOpts) context() context.Context {
-	if o.Context != nil {
+	if o != nil && o.Context != nil {
 		return o.Context
 	}
 	return context.Background()
@@ -581,13 +581,10 @@ type stream struct {
 	cancelCtx func()
 
 	// owned by serverConn's serve loop:
-	bodyBytes        int64   // body bytes seen so far
+	bodyBytes        int64 // body bytes seen so far
-	declBodyBytes    int64   // or -1 if undeclared
+	declBodyBytes    int64 // or -1 if undeclared
-	flow             flow    // limits writing from Handler to client
+	flow             flow  // limits writing from Handler to client
-	inflow           flow    // what the client is allowed to POST/etc to us
+	inflow           flow  // what the client is allowed to POST/etc to us
-	parent           *stream // or nil
-	numTrailerValues int64
-	weight           uint8
 	state            streamState
 	resetQueued      bool        // RST_STREAM queued for write; set by sc.resetStream
 	gotTrailerHeader bool        // HEADER frame for trailers was seen
@@ -764,6 +761,7 @@ func (sc *serverConn) readFrames() {
 
 // frameWriteResult is the message passed from writeFrameAsync to the serve goroutine.
 type frameWriteResult struct {
+	_   incomparable
 	wr  FrameWriteRequest // what was written (or attempted)
 	err error             // result of the writeFrame call
 }
@@ -774,7 +772,7 @@ type frameWriteResult struct {
 // serverConn.
 func (sc *serverConn) writeFrameAsync(wr FrameWriteRequest) {
 	err := wr.write.writeFrame(sc)
-	sc.wroteFrameCh <- frameWriteResult{wr, err}
+	sc.wroteFrameCh <- frameWriteResult{wr: wr, err: err}
 }
 
 func (sc *serverConn) closeAllStreamsOnConnClose() {
@@ -1164,7 +1162,7 @@ func (sc *serverConn) startFrameWrite(wr FrameWriteRequest) {
 	if wr.write.staysWithinBuffer(sc.bw.Available()) {
 		sc.writingFrameAsync = false
 		err := wr.write.writeFrame(sc)
-		sc.wroteFrame(frameWriteResult{wr, err})
+		sc.wroteFrame(frameWriteResult{wr: wr, err: err})
 	} else {
 		sc.writingFrameAsync = true
 		go sc.writeFrameAsync(wr)
@@ -2060,7 +2058,7 @@ func (sc *serverConn) newWriterAndRequestNoBody(st *stream, rp requestParam) (*r
 	var trailer http.Header
 	for _, v := range rp.header["Trailer"] {
 		for _, key := range strings.Split(v, ",") {
-			key = http.CanonicalHeaderKey(strings.TrimSpace(key))
+			key = http.CanonicalHeaderKey(textproto.TrimString(key))
 			switch key {
 			case "Transfer-Encoding", "Trailer", "Content-Length":
 				// Bogus. (copy of http1 rules)
@@ -2278,6 +2276,7 @@ func (sc *serverConn) sendWindowUpdate32(st *stream, n int32) {
 // requestBody is the Handler's Request.Body type.
 // Read and Close may be called concurrently.
 type requestBody struct {
+	_             incomparable
 	stream        *stream
 	conn          *serverConn
 	closed        bool  // for use by Close only
@@ -2415,7 +2414,11 @@ func (rws *responseWriterState) writeChunk(p []byte) (n int, err error) {
 			clen = strconv.Itoa(len(p))
 		}
 		_, hasContentType := rws.snapHeader["Content-Type"]
-		if !hasContentType && bodyAllowedForStatus(rws.status) && len(p) > 0 {
+		// If the Content-Encoding is non-blank, we shouldn't
+		// sniff the body. See Issue golang.org/issue/31753.
+		ce := rws.snapHeader.Get("Content-Encoding")
+		hasCE := len(ce) > 0
+		if !hasCE && !hasContentType && bodyAllowedForStatus(rws.status) && len(p) > 0 {
 			ctype = http.DetectContentType(p)
 		}
 		var date string
@@ -2524,7 +2527,7 @@ const TrailerPrefix = "Trailer:"
 // trailers. That worked for a while, until we found the first major
 // user of Trailers in the wild: gRPC (using them only over http2),
 // and gRPC libraries permit setting trailers mid-stream without
-// predeclarnig them. So: change of plans. We still permit the old
+// predeclaring them. So: change of plans. We still permit the old
 // way, but we also permit this hack: if a Header() key begins with
 // "Trailer:", the suffix of that key is a Trailer. Because ':' is an
 // invalid token byte anyway, there is no ambiguity. (And it's already
@@ -2824,7 +2827,7 @@ func (sc *serverConn) startPush(msg *startPushRequest) {
 	// PUSH_PROMISE frames MUST only be sent on a peer-initiated stream that
 	// is in either the "open" or "half-closed (remote)" state.
 	if msg.parent.state != stateOpen && msg.parent.state != stateHalfClosedRemote {
-		// responseWriter.Push checks that the stream is peer-initiaed.
+		// responseWriter.Push checks that the stream is peer-initiated.
 		msg.done <- errStreamClosed
 		return
 	}

vendor/golang.org/x/net/http2/transport.go

@@ -93,7 +93,7 @@ type Transport struct {
 	// send in the initial settings frame. It is how many bytes
 	// of response headers are allowed. Unlike the http2 spec, zero here
 	// means to use a default limit (currently 10MB). If you actually
-	// want to advertise an ulimited value to the peer, Transport
+	// want to advertise an unlimited value to the peer, Transport
 	// interprets the highest possible value here (0xffffffff or 1<<32-1)
 	// to mean no limit.
 	MaxHeaderListSize uint32
@@ -108,6 +108,19 @@ type Transport struct {
 	// waiting for their turn.
 	StrictMaxConcurrentStreams bool
 
+	// ReadIdleTimeout is the timeout after which a health check using ping
+	// frame will be carried out if no frame is received on the connection.
+	// Note that a ping response will is considered a received frame, so if
+	// there is no other traffic on the connection, the health check will
+	// be performed every ReadIdleTimeout interval.
+	// If zero, no health check is performed.
+	ReadIdleTimeout time.Duration
+
+	// PingTimeout is the timeout after which the connection will be closed
+	// if a response to Ping is not received.
+	// Defaults to 15s.
+	PingTimeout time.Duration
+
 	// t1, if non-nil, is the standard library Transport using
 	// this transport. Its settings are used (but not its
 	// RoundTrip method, etc).
@@ -131,6 +144,14 @@ func (t *Transport) disableCompression() bool {
 	return t.DisableCompression || (t.t1 != nil && t.t1.DisableCompression)
 }
 
+func (t *Transport) pingTimeout() time.Duration {
+	if t.PingTimeout == 0 {
+		return 15 * time.Second
+	}
+	return t.PingTimeout
+
+}
+
 // ConfigureTransport configures a net/http HTTP/1 Transport to use HTTP/2.
 // It returns an error if t1 has already been HTTP/2-enabled.
 func ConfigureTransport(t1 *http.Transport) error {
@@ -227,6 +248,7 @@ type ClientConn struct {
 	br              *bufio.Reader
 	fr              *Framer
 	lastActive      time.Time
+	lastIdle        time.Time // time last idle
 	// Settings from peer: (also guarded by mu)
 	maxFrameSize          uint32
 	maxConcurrentStreams  uint32
@@ -603,7 +625,7 @@ func (t *Transport) expectContinueTimeout() time.Duration {
 }
 
 func (t *Transport) NewClientConn(c net.Conn) (*ClientConn, error) {
-	return t.newClientConn(c, false)
+	return t.newClientConn(c, t.disableKeepAlives())
 }
 
 func (t *Transport) newClientConn(c net.Conn, singleUse bool) (*ClientConn, error) {
@@ -674,6 +696,20 @@ func (t *Transport) newClientConn(c net.Conn, singleUse bool) (*ClientConn, erro
 	return cc, nil
 }
 
+func (cc *ClientConn) healthCheck() {
+	pingTimeout := cc.t.pingTimeout()
+	// We don't need to periodically ping in the health check, because the readLoop of ClientConn will
+	// trigger the healthCheck again if there is no frame received.
+	ctx, cancel := context.WithTimeout(context.Background(), pingTimeout)
+	defer cancel()
+	err := cc.Ping(ctx)
+	if err != nil {
+		cc.closeForLostPing()
+		cc.t.connPool().MarkDead(cc)
+		return
+	}
+}
+
 func (cc *ClientConn) setGoAway(f *GoAwayFrame) {
 	cc.mu.Lock()
 	defer cc.mu.Unlock()
@@ -736,7 +772,8 @@ func (cc *ClientConn) idleStateLocked() (st clientConnIdleState) {
 	}
 
 	st.canTakeNewRequest = cc.goAway == nil && !cc.closed && !cc.closing && maxConcurrentOkay &&
-		int64(cc.nextStreamID)+2*int64(cc.pendingRequests) < math.MaxInt32
+		int64(cc.nextStreamID)+2*int64(cc.pendingRequests) < math.MaxInt32 &&
+		!cc.tooIdleLocked()
 	st.freshConn = cc.nextStreamID == 1 && st.canTakeNewRequest
 	return
 }
@@ -746,6 +783,16 @@ func (cc *ClientConn) canTakeNewRequestLocked() bool {
 	return st.canTakeNewRequest
 }
 
+// tooIdleLocked reports whether this connection has been been sitting idle
+// for too much wall time.
+func (cc *ClientConn) tooIdleLocked() bool {
+	// The Round(0) strips the monontonic clock reading so the
+	// times are compared based on their wall time. We don't want
+	// to reuse a connection that's been sitting idle during
+	// VM/laptop suspend if monotonic time was also frozen.
+	return cc.idleTimeout != 0 && !cc.lastIdle.IsZero() && time.Since(cc.lastIdle.Round(0)) > cc.idleTimeout
+}
+
 // onIdleTimeout is called from a time.AfterFunc goroutine. It will
 // only be called when we're idle, but because we're coming from a new
 // goroutine, there could be a new request coming in at the same time,
@@ -834,14 +881,12 @@ func (cc *ClientConn) sendGoAway() error {
 	return nil
 }
 
-// Close closes the client connection immediately.
+// closes the client connection immediately. In-flight requests are interrupted.
-//
+// err is sent to streams.
-// In-flight requests are interrupted. For a graceful shutdown, use Shutdown instead.
+func (cc *ClientConn) closeForError(err error) error {
-func (cc *ClientConn) Close() error {
 	cc.mu.Lock()
 	defer cc.cond.Broadcast()
 	defer cc.mu.Unlock()
-	err := errors.New("http2: client connection force closed via ClientConn.Close")
 	for id, cs := range cc.streams {
 		select {
 		case cs.resc <- resAndError{err: err}:
@@ -854,6 +899,20 @@ func (cc *ClientConn) Close() error {
 	return cc.tconn.Close()
 }
 
+// Close closes the client connection immediately.
+//
+// In-flight requests are interrupted. For a graceful shutdown, use Shutdown instead.
+func (cc *ClientConn) Close() error {
+	err := errors.New("http2: client connection force closed via ClientConn.Close")
+	return cc.closeForError(err)
+}
+
+// closes the client connection immediately. In-flight requests are interrupted.
+func (cc *ClientConn) closeForLostPing() error {
+	err := errors.New("http2: client connection lost")
+	return cc.closeForError(err)
+}
+
 const maxAllocFrameSize = 512 << 10
 
 // frameBuffer returns a scratch buffer suitable for writing DATA frames.
@@ -904,7 +963,7 @@ func commaSeparatedTrailers(req *http.Request) (string, error) {
 		k = http.CanonicalHeaderKey(k)
 		switch k {
 		case "Transfer-Encoding", "Trailer", "Content-Length":
-			return "", &badStringError{"invalid Trailer key", k}
+			return "", fmt.Errorf("invalid Trailer key %q", k)
 		}
 		keys = append(keys, k)
 	}
@@ -1150,6 +1209,7 @@ func (cc *ClientConn) awaitOpenSlotForRequest(req *http.Request) error {
 			}
 			return errClientConnUnusable
 		}
+		cc.lastIdle = time.Time{}
 		if int64(len(cc.streams))+1 <= int64(cc.maxConcurrentStreams) {
 			if waitingForConn != nil {
 				close(waitingForConn)
@@ -1216,6 +1276,8 @@ var (
 
 	// abort request body write, but send stream reset of cancel.
 	errStopReqBodyWriteAndCancel = errors.New("http2: canceling request")
+
+	errReqBodyTooLong = errors.New("http2: request body larger than specified content length")
 )
 
 func (cs *clientStream) writeRequestBody(body io.Reader, bodyCloser io.Closer) (err error) {
@@ -1238,10 +1300,32 @@ func (cs *clientStream) writeRequestBody(body io.Reader, bodyCloser io.Closer) (
 
 	req := cs.req
 	hasTrailers := req.Trailer != nil
+	remainLen := actualContentLength(req)
+	hasContentLen := remainLen != -1
 
 	var sawEOF bool
 	for !sawEOF {
-		n, err := body.Read(buf)
+		n, err := body.Read(buf[:len(buf)-1])
+		if hasContentLen {
+			remainLen -= int64(n)
+			if remainLen == 0 && err == nil {
+				// The request body's Content-Length was predeclared and
+				// we just finished reading it all, but the underlying io.Reader
+				// returned the final chunk with a nil error (which is one of
+				// the two valid things a Reader can do at EOF). Because we'd prefer
+				// to send the END_STREAM bit early, double-check that we're actually
+				// at EOF. Subsequent reads should return (0, EOF) at this point.
+				// If either value is different, we return an error in one of two ways below.
+				var n1 int
+				n1, err = body.Read(buf[n:])
+				remainLen -= int64(n1)
+			}
+			if remainLen < 0 {
+				err = errReqBodyTooLong
+				cc.writeStreamReset(cs.ID, ErrCodeCancel, err)
+				return err
+			}
+		}
 		if err == io.EOF {
 			sawEOF = true
 			err = nil
@@ -1357,13 +1441,6 @@ func (cs *clientStream) awaitFlowControl(maxBytes int) (taken int32, err error)
 	}
 }
 
-type badStringError struct {
-	what string
-	str  string
-}
-
-func (e *badStringError) Error() string { return fmt.Sprintf("%s %q", e.what, e.str) }
-
 // requires cc.mu be held.
 func (cc *ClientConn) encodeHeaders(req *http.Request, addGzipHeader bool, trailers string, contentLength int64) ([]byte, error) {
 	cc.hbuf.Reset()
@@ -1454,7 +1531,29 @@ func (cc *ClientConn) encodeHeaders(req *http.Request, addGzipHeader bool, trail
 				if vv[0] == "" {
 					continue
 				}
-
+			} else if strings.EqualFold(k, "cookie") {
+				// Per 8.1.2.5 To allow for better compression efficiency, the
+				// Cookie header field MAY be split into separate header fields,
+				// each with one or more cookie-pairs.
+				for _, v := range vv {
+					for {
+						p := strings.IndexByte(v, ';')
+						if p < 0 {
+							break
+						}
+						f("cookie", v[:p])
+						p++
+						// strip space after semicolon if any.
+						for p+1 <= len(v) && v[p] == ' ' {
+							p++
+						}
+						v = v[p:]
+					}
+					if len(v) > 0 {
+						f("cookie", v)
+					}
+				}
+				continue
 			}
 
 			for _, v := range vv {
@@ -1557,6 +1656,7 @@ func (cc *ClientConn) writeHeader(name, value string) {
 }
 
 type resAndError struct {
+	_   incomparable
 	res *http.Response
 	err error
 }
@@ -1592,6 +1692,7 @@ func (cc *ClientConn) streamByID(id uint32, andRemove bool) *clientStream {
 		delete(cc.streams, id)
 		if len(cc.streams) == 0 && cc.idleTimer != nil {
 			cc.idleTimer.Reset(cc.idleTimeout)
+			cc.lastIdle = time.Now()
 		}
 		close(cs.done)
 		// Wake up checkResetOrDone via clientStream.awaitFlowControl and
@@ -1603,6 +1704,7 @@ func (cc *ClientConn) streamByID(id uint32, andRemove bool) *clientStream {
 
 // clientConnReadLoop is the state owned by the clientConn's frame-reading readLoop.
 type clientConnReadLoop struct {
+	_             incomparable
 	cc            *ClientConn
 	closeWhenIdle bool
 }
@@ -1682,8 +1784,17 @@ func (rl *clientConnReadLoop) run() error {
 	rl.closeWhenIdle = cc.t.disableKeepAlives() || cc.singleUse
 	gotReply := false // ever saw a HEADERS reply
 	gotSettings := false
+	readIdleTimeout := cc.t.ReadIdleTimeout
+	var t *time.Timer
+	if readIdleTimeout != 0 {
+		t = time.AfterFunc(readIdleTimeout, cc.healthCheck)
+		defer t.Stop()
+	}
 	for {
 		f, err := cc.fr.ReadFrame()
+		if t != nil {
+			t.Reset(readIdleTimeout)
+		}
 		if err != nil {
 			cc.vlogf("http2: Transport readFrame error on conn %p: (%T) %v", cc, err, err)
 		}
@@ -1832,7 +1943,9 @@ func (rl *clientConnReadLoop) handleResponse(cs *clientStream, f *MetaHeadersFra
 		return nil, errors.New("malformed response from server: malformed non-numeric status pseudo header")
 	}
 
-	header := make(http.Header)
+	regularFields := f.RegularFields()
+	strs := make([]string, len(regularFields))
+	header := make(http.Header, len(regularFields))
 	res := &http.Response{
 		Proto:      "HTTP/2.0",
 		ProtoMajor: 2,
@@ -1840,7 +1953,7 @@ func (rl *clientConnReadLoop) handleResponse(cs *clientStream, f *MetaHeadersFra
 		StatusCode: statusCode,
 		Status:     status + " " + http.StatusText(statusCode),
 	}
-	for _, hf := range f.RegularFields() {
+	for _, hf := range regularFields {
 		key := http.CanonicalHeaderKey(hf.Name)
 		if key == "Trailer" {
 			t := res.Trailer
@@ -1852,7 +1965,18 @@ func (rl *clientConnReadLoop) handleResponse(cs *clientStream, f *MetaHeadersFra
 				t[http.CanonicalHeaderKey(v)] = nil
 			})
 		} else {
-			header[key] = append(header[key], hf.Value)
+			vv := header[key]
+			if vv == nil && len(strs) > 0 {
+				// More than likely this will be a single-element key.
+				// Most headers aren't multi-valued.
+				// Set the capacity on strs[0] to 1, so any future append
+				// won't extend the slice into the other strings.
+				vv, strs = strs[:1:1], strs[1:]
+				vv[0] = hf.Value
+				header[key] = vv
+			} else {
+				header[key] = append(vv, hf.Value)
+			}
 		}
 	}
 
@@ -2138,8 +2262,6 @@ func (rl *clientConnReadLoop) processData(f *DataFrame) error {
 	return nil
 }
 
-var errInvalidTrailers = errors.New("http2: invalid trailers")
-
 func (rl *clientConnReadLoop) endStream(cs *clientStream) {
 	// TODO: check that any declared content-length matches, like
 	// server.go's (*stream).endStream method.
@@ -2370,7 +2492,6 @@ func (cc *ClientConn) writeStreamReset(streamID uint32, code ErrCode, err error)
 var (
 	errResponseHeaderListSize = errors.New("http2: response header list larger than advertised limit")
 	errRequestHeaderListSize  = errors.New("http2: request header list larger than peer's advertised limit")
-	errPseudoTrailers         = errors.New("http2: invalid pseudo header in trailers")
 )
 
 func (cc *ClientConn) logf(format string, args ...interface{}) {
@@ -2409,6 +2530,7 @@ func (rt erringRoundTripper) RoundTrip(*http.Request) (*http.Response, error) {
 // gzipReader wraps a response body so it can lazily
 // call gzip.NewReader on the first call to Read
 type gzipReader struct {
+	_    incomparable
 	body io.ReadCloser // underlying Response.Body
 	zr   *gzip.Reader  // lazily-initialized gzip reader
 	zerr error         // sticky error

vendor/golang.org/x/net/http2/writesched_priority.go

@@ -149,7 +149,7 @@ func (n *priorityNode) addBytes(b int64) {
 }
 
 // walkReadyInOrder iterates over the tree in priority order, calling f for each node
-// with a non-empty write queue. When f returns true, this funcion returns true and the
+// with a non-empty write queue. When f returns true, this function returns true and the
 // walk halts. tmp is used as scratch space for sorting.
 //
 // f(n, openParent) takes two arguments: the node to visit, n, and a bool that is true

vendor/golang.org/x/net/idna/tables11.0.0.go

@@ -1,6 +1,6 @@
 // Code generated by running "go generate" in golang.org/x/text. DO NOT EDIT.
 
-// +build go1.13
+// +build go1.13,!go1.14
 
 package idna
 

vendor/golang.org/x/net/internal/socks/socks.go

@@ -127,7 +127,7 @@ type Dialer struct {
 	// establishing the transport connection.
 	ProxyDial func(context.Context, string, string) (net.Conn, error)
 
-	// AuthMethods specifies the list of request authention
+	// AuthMethods specifies the list of request authentication
 	// methods.
 	// If empty, SOCKS client requests only AuthMethodNotRequired.
 	AuthMethods []AuthMethod

vendor/golang.org/x/net/internal/timeseries/timeseries.go

@@ -403,9 +403,9 @@ func (ts *timeSeries) extract(l *tsLevel, start, finish time.Time, num int, resu
 
 	// Where should scanning start?
 	if dstStart.After(srcStart) {
-		advance := dstStart.Sub(srcStart) / srcInterval
+		advance := int(dstStart.Sub(srcStart) / srcInterval)
-		srcIndex += int(advance)
+		srcIndex += advance
-		srcStart = srcStart.Add(advance * srcInterval)
+		srcStart = srcStart.Add(time.Duration(advance) * srcInterval)
 	}
 
 	// The i'th value is computed as show below.

vendor/modules.txt

@@ -235,9 +235,9 @@ github.com/vishvananda/netlink
 github.com/vishvananda/netlink/nl
 # github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df
 github.com/vishvananda/netns
-# golang.org/x/crypto v0.0.0-20200220183623-bac4c82f6975
+# golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9
 golang.org/x/crypto/ssh/terminal
-# golang.org/x/net v0.0.0-20191004110552-13f9640d40b9
+# golang.org/x/net v0.0.0-20200625001655-4c5254603344
 golang.org/x/net/context
 golang.org/x/net/context/ctxhttp
 golang.org/x/net/html