Roll libxml from 76d6b0d7 to f67dc618

2022-12-17 wellnhofer@aevum.de xmlreader: Try to fix regression when reading from memory 2022-12-12 wellnhofer@aevum.de uri: Fix handling of port numbers 2022-12-13 wellnhofer@aevum.de Revert "uri: Allow port without host" 2022-12-08 wellnhofer@aevum.de xmlmemory.c: Remove xmlMemContentShow 2022-12-08 wellnhofer@aevum.de testapi.c: Initialize catalog early 2022-12-08 wellnhofer@aevum.de gentest.py: Fix memory leak in API tests 2022-12-08 wellnhofer@aevum.de doc/libxml2-api.xml: Regenerate 2022-12-08 wellnhofer@aevum.de encoding.c: Fix for documentation generator 2022-12-08 lukastyrychtr@gmail.com catalog.c: Silence a cast warning on VS 2022 2022-12-08 wellnhofer@aevum.de libxml.h: Add comments and indentation 2022-12-08 wellnhofer@aevum.de libxml.h: Remove dubious definition of LIBXML_STATIC 2022-12-08 wellnhofer@aevum.de libxml.h: Don't include stdio.h 2022-12-08 wellnhofer@aevum.de libxml.h: Remove ancient LynxOS setup 2022-12-08 wellnhofer@aevum.de xmlexports.h: Disable docs for internal macro XMLPUBLIC 2022-12-08 wellnhofer@aevum.de xmlexports.h: Remove LIBXML_FASTCALL optimization 2022-12-08 wellnhofer@aevum.de Remove XMLCALL and XMLCDECL macros from public headers 2022-12-08 wellnhofer@aevum.de Remove XMLDECL macro from .c files 2022-12-08 wellnhofer@aevum.de Update README.md 2022-12-08 wellnhofer@aevum.de tests: Enable "runsuite" test 2022-12-06 ross.burton@arm.com Use python3 not python 2022-12-07 ross.burton@arm.com xstc/fixup-tests.py: port to Python 3 2022-12-07 ross.burton@arm.com xstc/fixup-tests.py: unify whitespace 2022-12-05 ross.burton@arm.com libxml.m4: deprecate AM_PATH_XML2, wrap PKG_CHECK_MODULES instead 2022-12-06 ross.burton@arm.com python/tests/reader2: use absolute paths everywhere 2022-12-06 ross.burton@arm.com python/tests/reader2: always exit(1) if a test fails 2022-12-06 ross.burton@arm.com testModule: exit if the module can't be opened 2022-12-06 ross.burton@arm.com CI: disable modules in gcc:static build 2022-12-06 ross.burton@arm.com CI: fix CI on MinGW builds 2022-12-04 wellnhofer@aevum.de error: Make sure that error messages are valid UTF-8 2022-12-01 Alexander.Richardson@cl.cam.ac.uk Remove hacky heuristic from b2dc5675e94aa6b5557ba63f7d66b0f08dd17e4d 2022-12-01 Alexander.Richardson@cl.cam.ac.uk Avoid creating an out-of-bounds pointer by rewriting a check 2022-12-01 Alexander.Richardson@cl.cam.ac.uk Correctly relocate internal pointers after realloc() 2022-11-30 wellnhofer@aevum.de html: Improve parsing of nested lists 2022-11-27 wellnhofer@aevum.de Hide internal functions 2022-11-25 wellnhofer@aevum.de python: Fix memory leak checks 2022-11-25 wellnhofer@aevum.de memory: Don't use locks in xmlMemUsed 2022-11-25 wellnhofer@aevum.de html: Fix htmlInitAutoClose documentation 2022-11-25 wellnhofer@aevum.de xpath: Make init function private 2022-11-25 wellnhofer@aevum.de encoding: Make init function private 2022-11-25 wellnhofer@aevum.de encoding: Remove unused variable xmlDefaultCharEncodingHandler 2022-11-25 wellnhofer@aevum.de tests: Check that xmlInitParser doesn't allocate memory 2022-11-25 wellnhofer@aevum.de parser: Register atexit handler in locked section 2022-10-24 wellnhofer@aevum.de threads: Use __libc_single_threaded if available 2022-11-24 wellnhofer@aevum.de threads: Deprecate some internal functions 2022-11-24 wellnhofer@aevum.de threads: Allocate mutexes statically 2022-11-25 wellnhofer@aevum.de memory: Remove xmlDictInitialized 2022-11-25 wellnhofer@aevum.de dict: Make init/cleanup functions private 2022-11-25 wellnhofer@aevum.de memory: Remove xmlMemInitialized 2022-11-25 wellnhofer@aevum.de threads: Rework initialization 2022-11-24 wellnhofer@aevum.de parser: Make some module init/cleanup functions private 2022-11-24 wellnhofer@aevum.de parser: Don't call *DefaultSAXHandlerInit from xmlInitParser 2022-11-24 wellnhofer@aevum.de encoding: Allocate default handlers statically 2022-11-23 sam@gentoo.org libxml.m4: fix -Wstrict-prototypes 2022-11-22 fanchunwei@src.gnome.org Visual Studio builds: Allow silencing deprecation warnings 2022-11-18 fanc999@yahoo.com.tw Visual Studio: Define XML_DEPRECATED 2022-11-22 wellnhofer@aevum.de parser: Fix push parser with unterminated CDATA sections 2022-11-22 wellnhofer@aevum.de tests: Fix use-after-free in Python tests 2022-11-22 wellnhofer@aevum.de Fix .editorconfig 2022-11-22 wellnhofer@aevum.de tests: Remove unneeded #includes 2022-11-22 wellnhofer@aevum.de xmllint: Include <io.h> on Windows 2022-11-22 wellnhofer@aevum.de gitlab-ci: Make Test-Msvc exit if ctest fails 2022-11-22 wellnhofer@aevum.de gitlab-ci: Treat compiler warnings as errors on MSVC 2022-11-22 wellnhofer@aevum.de warnings: Work around MSVC bug 2022-11-22 fanchunwei@src.gnome.org sources: Silence C4013 warnings on Visual Studio 2022-11-21 wellnhofer@aevum.de parser: Remove dangerous check in xmlParseCharData 2022-11-21 wellnhofer@aevum.de parser: Restore parser state in xmlParseCDSect 2022-11-21 wellnhofer@aevum.de parser: Fix progress check when parsing character data 2022-11-21 wellnhofer@aevum.de Fix .editorconfig 2022-11-21 wellnhofer@aevum.de parser: Check terminate flag when push parsing CDATA sections 2022-11-21 wellnhofer@aevum.de Revert "parser: Add overflow checks to xmlParseLookup functions" 2022-11-21 wellnhofer@aevum.de parser: Add overflow checks to xmlParseLookup functions 2022-11-18 fanc999@yahoo.com.tw python/setup.py.in: Improve Windows import patching 2022-11-20 wellnhofer@aevum.de Add .editorconfig 2022-11-20 wellnhofer@aevum.de parser: Merge misc, prolog and epilog cases in push parser 2022-11-20 wellnhofer@aevum.de test: Add test for push parser boundaries 2022-11-20 wellnhofer@aevum.de parser: Fix 'consumed' accounting when switching encodings 2022-11-20 wellnhofer@aevum.de html: Fix check for end of comment in push parser 2022-11-20 wellnhofer@aevum.de parser: Fix push parser with 1-3 byte initial chunk 2022-11-15 wellnhofer@aevum.de parser: Rewrite push parser boundary checks 2022-11-14 wellnhofer@aevum.de buf: Deprecate static/immutable buffers 2022-11-14 wellnhofer@aevum.de reader: Switch to xmlParserInputBufferCreateMem 2022-11-14 wellnhofer@aevum.de uri: Allow port without host Bug: 934413 Change-Id: I35f9dd87cd2f2991d1e26ad9f4bcd9af689bf67d Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4115789 Reviewed-by: Stephen Chenney <schenney@chromium.org> Commit-Queue: Stephen Chenney <schenney@chromium.org> Auto-Submit: Joey Arhar <jarhar@chromium.org> Cr-Commit-Position: refs/heads/main@{#1084958}
chromium · Dec 19, 2022 · 55af768 · 55af768
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diff --git a/third_party/libxml/README.chromium b/third_party/libxml/README.chromium
@@ -1,6 +1,6 @@
 Name: libxml
 URL: http://xmlsoft.org
-Version: 76d6b0d768d4e60a2d2844d55def120257ab6c6e
+Version: f67dc6189fce50aec9c1446cbe8c55268564485b
 CPEPrefix: cpe:/a:xmlsoft:libxml2:2.9.13
 License: MIT
 License File: src/Copyright

diff --git a/third_party/libxml/chromium/undo-sax-deprecation.patch b/third_party/libxml/chromium/undo-sax-deprecation.patch
@@ -1,15 +1,15 @@
 diff --git a/include/libxml/parser.h b/include/libxml/parser.h
-index f96148b5..1587b9d0 100644
+index d104b874..6dc4ca9b 100644
 --- a/include/libxml/parser.h
 +++ b/include/libxml/parser.h
-@@ -897,7 +897,9 @@ XMLPUBFUN xmlDocPtr XMLCALL
+@@ -899,7 +899,9 @@ XMLPUBFUN xmlDocPtr
  		xmlSAXParseDoc		(xmlSAXHandlerPtr sax,
  					 const xmlChar *cur,
  					 int recovery);
 -XML_DEPRECATED
 +// TODO(https://github.com/google/maldoca/issues/87): Re-Deprecate this when
 +//   maldoca stops using xmlSAXParseMemory.
 +//XML_DEPRECATED
- XMLPUBFUN xmlDocPtr XMLCALL
+ XMLPUBFUN xmlDocPtr
  		xmlSAXParseMemory	(xmlSAXHandlerPtr sax,
  					 const char *buffer,
diff --git a/third_party/libxml/linux/include/libxml/xmlversion.h b/third_party/libxml/linux/include/libxml/xmlversion.h
@@ -21,7 +21,7 @@ extern "C" {
  * your library and includes mismatch
  */
 #ifndef LIBXML2_COMPILING_MSCCDEF
-XMLPUBFUN void XMLCALL xmlCheckVersion(int version);
+XMLPUBFUN void xmlCheckVersion(int version);
 #endif /* LIBXML2_COMPILING_MSCCDEF */
 
 /**
@@ -440,10 +440,10 @@ XMLPUBFUN void XMLCALL xmlCheckVersion(int version);
 #endif
 
 #ifndef XML_DEPRECATED
-#  ifdef IN_LIBXML
+#  if defined (IN_LIBXML) || (__GNUC__ * 100 + __GNUC_MINOR__ < 301)
 #    define XML_DEPRECATED
-#  else
 /* Available since at least GCC 3.1 */
+#  else
 #    define XML_DEPRECATED __attribute__((deprecated))
 #  endif
 #endif
@@ -487,20 +487,35 @@ XMLPUBFUN void XMLCALL xmlCheckVersion(int version);
  * is deprecated.
  */
 #ifndef XML_DEPRECATED
-#define XML_DEPRECATED
+#  if defined (IN_LIBXML) || !defined (_MSC_VER)
+#    define XML_DEPRECATED
+/* Available since Visual Studio 2005 */
+#  elif defined (_MSC_VER) && (_MSC_VER >= 1400)
+#    define XML_DEPRECATED __declspec(deprecated)
+#  endif
 #endif
 /**
  * LIBXML_IGNORE_FPTR_CAST_WARNINGS:
  *
  * Macro used to ignore pointer cast warnings that can't be worked around.
  */
-#define XML_IGNORE_FPTR_CAST_WARNINGS
+#if defined (_MSC_VER) && (_MSC_VER >= 1400)
+#  define XML_IGNORE_FPTR_CAST_WARNINGS __pragma(warning(push))
+#else
+#  define XML_IGNORE_FPTR_CAST_WARNINGS
+#endif
 /**
- * LIBXML_POP_WARNINGS:
+ * XML_POP_WARNINGS:
  *
  * Macro used to restore warnings state.
  */
-#define XML_POP_WARNINGS
+#ifndef XML_POP_WARNINGS
+#  if defined (_MSC_VER) && (_MSC_VER >= 1400)
+#    define XML_POP_WARNINGS __pragma(warning(pop))
+#  else
+#    define XML_POP_WARNINGS
+#  endif
+#endif
 #endif /* __GNUC__ */
 
 #ifdef __cplusplus

diff --git a/third_party/libxml/mac/include/libxml/xmlversion.h b/third_party/libxml/mac/include/libxml/xmlversion.h
@@ -21,7 +21,7 @@ extern "C" {
  * your library and includes mismatch
  */
 #ifndef LIBXML2_COMPILING_MSCCDEF
-XMLPUBFUN void XMLCALL xmlCheckVersion(int version);
+XMLPUBFUN void xmlCheckVersion(int version);
 #endif /* LIBXML2_COMPILING_MSCCDEF */
 
 /**
@@ -440,10 +440,10 @@ XMLPUBFUN void XMLCALL xmlCheckVersion(int version);
 #endif
 
 #ifndef XML_DEPRECATED
-#  ifdef IN_LIBXML
+#  if defined (IN_LIBXML) || (__GNUC__ * 100 + __GNUC_MINOR__ < 301)
 #    define XML_DEPRECATED
-#  else
 /* Available since at least GCC 3.1 */
+#  else
 #    define XML_DEPRECATED __attribute__((deprecated))
 #  endif
 #endif
@@ -487,20 +487,35 @@ XMLPUBFUN void XMLCALL xmlCheckVersion(int version);
  * is deprecated.
  */
 #ifndef XML_DEPRECATED
-#define XML_DEPRECATED
+#  if defined (IN_LIBXML) || !defined (_MSC_VER)
+#    define XML_DEPRECATED
+/* Available since Visual Studio 2005 */
+#  elif defined (_MSC_VER) && (_MSC_VER >= 1400)
+#    define XML_DEPRECATED __declspec(deprecated)
+#  endif
 #endif
 /**
  * LIBXML_IGNORE_FPTR_CAST_WARNINGS:
  *
  * Macro used to ignore pointer cast warnings that can't be worked around.
  */
-#define XML_IGNORE_FPTR_CAST_WARNINGS
+#if defined (_MSC_VER) && (_MSC_VER >= 1400)
+#  define XML_IGNORE_FPTR_CAST_WARNINGS __pragma(warning(push))
+#else
+#  define XML_IGNORE_FPTR_CAST_WARNINGS
+#endif
 /**
- * LIBXML_POP_WARNINGS:
+ * XML_POP_WARNINGS:
  *
  * Macro used to restore warnings state.
  */
-#define XML_POP_WARNINGS
+#ifndef XML_POP_WARNINGS
+#  if defined (_MSC_VER) && (_MSC_VER >= 1400)
+#    define XML_POP_WARNINGS __pragma(warning(pop))
+#  else
+#    define XML_POP_WARNINGS
+#  endif
+#endif
 #endif /* __GNUC__ */
 
 #ifdef __cplusplus

diff --git a/third_party/libxml/src/CMakeLists.txt b/third_party/libxml/src/CMakeLists.txt
@@ -498,6 +498,7 @@ if(LIBXML2_WITH_TESTS)
 		endforeach()
 	endif()
 	add_test(NAME runtest COMMAND runtest --out ${CMAKE_CURRENT_BINARY_DIR} WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+	add_test(NAME runsuite COMMAND runsuite WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
 	if(EXISTS ${LIBXML2_XMLCONF_WORKING_DIR}/xmlconf/xmlconf.xml)
 		add_test(NAME runxmlconf COMMAND runxmlconf WORKING_DIRECTORY ${LIBXML2_XMLCONF_WORKING_DIR})
 	endif()

diff --git a/third_party/libxml/src/HTMLparser.c b/third_party/libxml/src/HTMLparser.c
@@ -1222,7 +1222,6 @@ static const htmlStartCloseEntry htmlStartClose[] = {
     { "menu", "form" },
     { "menu", "ul" },
     { "ol", "form" },
-    { "ol", "ul" },
     { "option", "optgroup" },
     { "option", "option" },
     { "p", "address" },
@@ -1306,7 +1305,6 @@ static const htmlStartCloseEntry htmlStartClose[] = {
     { "ul", "address" },
     { "ul", "form" },
     { "ul", "menu" },
-    { "ul", "ol" },
     { "ul", "pre" },
     { "xmp", "dd" },
     { "xmp", "dl" },
@@ -1394,10 +1392,7 @@ static const elementPriority htmlEndPriority[] = {
 /**
  * htmlInitAutoClose:
  *
- * DEPRECATED: This function will be made private. Call xmlInitParser to
- * initialize the library.
- *
- * This is a no-op now.
+ * DEPRECATED: This is a no-op.
  */
 void
 htmlInitAutoClose(void) {
@@ -2319,7 +2314,7 @@ htmlEncodeEntities(unsigned char* out, int *outlen,
 	    else
 		cp = ent->name;
 	    len = strlen(cp);
-	    if (out + 2 + len > outend)
+	    if (outend - out < len + 2)
 		break;
 	    *out++ = '&';
 	    memcpy(out, cp, len);
@@ -5334,30 +5329,17 @@ htmlParseLookupSequence(htmlParserCtxtPtr ctxt, xmlChar first,
     int base, len;
     htmlParserInputPtr in;
     const xmlChar *buf;
-    int invalue = 0;
-    char valdellim = 0x0;
+    int quote;
 
     in = ctxt->input;
     if (in == NULL)
         return (-1);
 
-    base = in->cur - in->base;
-    if (base < 0)
-        return (-1);
-
-    if (ctxt->checkIndex > base) {
-        base = ctxt->checkIndex;
-        /* Abuse hasPErefs member to restore current state. */
-        invalue = ctxt->hasPErefs & 1 ? 1 : 0;
-    }
+    base = ctxt->checkIndex;
+    quote = ctxt->endCheckState;
 
-    if (in->buf == NULL) {
-        buf = in->base;
-        len = in->length;
-    } else {
-        buf = xmlBufContent(in->buf->buffer);
-        len = xmlBufUse(in->buf->buffer);
-    }
+    buf = in->cur;
+    len = in->end - in->cur;
 
     /* take into account the sequence length */
     if (third)
@@ -5366,18 +5348,13 @@ htmlParseLookupSequence(htmlParserCtxtPtr ctxt, xmlChar first,
         len--;
     for (; base < len; base++) {
         if (ignoreattrval) {
+            if (quote) {
+                if (buf[base] == quote)
+                    quote = 0;
+                continue;
+            }
             if (buf[base] == '"' || buf[base] == '\'') {
-                if (invalue) {
-                    if (buf[base] == valdellim) {
-                        invalue = 0;
-                        continue;
-                    }
-                } else {
-                    valdellim = buf[base];
-                    invalue = 1;
-                    continue;
-                }
-            } else if (invalue) {
+                quote = buf[base];
                 continue;
             }
         }
@@ -5390,29 +5367,12 @@ htmlParseLookupSequence(htmlParserCtxtPtr ctxt, xmlChar first,
                     continue;
             }
             ctxt->checkIndex = 0;
-#ifdef DEBUG_PUSH
-            if (next == 0)
-                xmlGenericError(xmlGenericErrorContext,
-                                "HPP: lookup '%c' found at %d\n",
-                                first, base);
-            else if (third == 0)
-                xmlGenericError(xmlGenericErrorContext,
-                                "HPP: lookup '%c%c' found at %d\n",
-                                first, next, base);
-            else
-                xmlGenericError(xmlGenericErrorContext,
-                                "HPP: lookup '%c%c%c' found at %d\n",
-                                first, next, third, base);
-#endif
-            return (base - (in->cur - in->base));
+            ctxt->endCheckState = 0;
+            return (base);
         }
     }
     ctxt->checkIndex = base;
-    /* Abuse hasPErefs member to track current state. */
-    if (invalue)
-        ctxt->hasPErefs |= 1;
-    else
-        ctxt->hasPErefs &= ~1;
+    ctxt->endCheckState = quote;
 #ifdef DEBUG_PUSH
     if (next == 0)
         xmlGenericError(xmlGenericErrorContext,
@@ -5446,16 +5406,23 @@ static int
 htmlParseLookupCommentEnd(htmlParserCtxtPtr ctxt)
 {
     int mark = 0;
-    int cur = CUR_PTR - BASE_PTR;
+    int offset;
 
-    while (mark >= 0) {
+    while (1) {
 	mark = htmlParseLookupSequence(ctxt, '-', '-', 0, 0);
-	if ((mark < 0) ||
-	    (NXT(mark+2) == '>') ||
+	if (mark < 0)
+            break;
+        if ((NXT(mark+2) == '>') ||
 	    ((NXT(mark+2) == '!') && (NXT(mark+3) == '>'))) {
-	    return mark;
+            ctxt->checkIndex = 0;
+	    break;
 	}
-	ctxt->checkIndex = cur + mark + 1;
+        offset = (NXT(mark+2) == '!') ? 3 : 2;
+        if (mark + offset >= ctxt->input->end - ctxt->input->cur) {
+	    ctxt->checkIndex = mark;
+            return(-1);
+        }
+	ctxt->checkIndex = mark + 1;
     }
     return mark;
 }
@@ -5990,6 +5957,8 @@ htmlParseTryOrFinish(htmlParserCtxtPtr ctxt, int terminate) {
 			break;
 		    }
 		} else if ((cur == '<') && (next == '!')) {
+                    if (avail < 4)
+                        goto done;
                     /*
                      * Sometimes DOCTYPE arrives in the middle of the document
                      */
@@ -6030,8 +5999,6 @@ htmlParseTryOrFinish(htmlParserCtxtPtr ctxt, int terminate) {
 #endif
                     htmlParsePI(ctxt);
                     ctxt->instate = XML_PARSER_CONTENT;
-                } else if ((cur == '<') && (next == '!') && (avail < 4)) {
-                    goto done;
                 } else if ((cur == '<') && (next == '/')) {
                     ctxt->instate = XML_PARSER_END_TAG;
                     ctxt->checkIndex = 0;
@@ -6802,10 +6769,12 @@ htmlCtxtReset(htmlParserCtxtPtr ctxt)
     ctxt->disableSAX = 0;
     ctxt->valid = 1;
     ctxt->vctxt.userData = ctxt;
+    ctxt->vctxt.flags = XML_VCTXT_USE_PCTXT;
     ctxt->vctxt.error = xmlParserValidityError;
     ctxt->vctxt.warning = xmlParserValidityWarning;
     ctxt->record_info = 0;
     ctxt->checkIndex = 0;
+    ctxt->endCheckState = 0;
     ctxt->inSubset = 0;
     ctxt->errNo = XML_ERR_OK;
     ctxt->depth = 0;

diff --git a/third_party/libxml/src/Makefile.am b/third_party/libxml/src/Makefile.am
@@ -189,12 +189,13 @@ check-local:
 	[ -d result ] || $(LN_S) $(srcdir)/result .
 	$(CHECKER) ./runtest$(EXEEXT)
 	$(CHECKER) ./testrecurse$(EXEEXT)
-	ASAN_OPTIONS="$$ASAN_OPTIONS:detect_leaks=0" $(CHECKER) ./testapi$(EXEEXT)
+	$(CHECKER) ./testapi$(EXEEXT)
 	$(CHECKER) ./testchar$(EXEEXT)
 	$(CHECKER) ./testdict$(EXEEXT)
 	$(CHECKER) ./testModule$(EXEEXT)
 	$(CHECKER) ./testThreads$(EXEEXT)
 	$(CHECKER) ./runxmlconf$(EXEEXT)
+	$(CHECKER) ./runsuite$(EXEEXT)
 
 # Compatibility name of the check target
 runtests: check

diff --git a/third_party/libxml/src/README.md b/third_party/libxml/src/README.md
@@ -3,15 +3,17 @@
 libxml2 is an XML toolkit implemented in C, originally developed for
 the GNOME Project.
 
-Full documentation is available at
-<https://gitlab.gnome.org/GNOME/libxml2/-/wikis>.
+Official releases can be downloaded from
+<https://download.gnome.org/sources/libxml2/>
+
+The git repository is hosted on GNOME's GitLab server:
+<https://gitlab.gnome.org/GNOME/libxml2>
 
 Bugs should be reported at
-<https://gitlab.gnome.org/GNOME/libxml2/-/issues>.
+<https://gitlab.gnome.org/GNOME/libxml2/-/issues>
 
-A mailing list xml@gnome.org is available. You can subscribe at
-<https://mail.gnome.org/mailman/listinfo/xml>. The list archive is at
-<https://mail.gnome.org/archives/xml/>.
+Documentation is available at
+<https://gitlab.gnome.org/GNOME/libxml2/-/wikis>
 
 ## License