| Summary: | smokegen segafults when compiling Akonadi binding from smokekde package | ||
|---|---|---|---|
| Product: | [Unmaintained] bindings | Reporter: | Vadim Zhukov <persgray> |
| Component: | general | Assignee: | kde-bindings |
| Status: | RESOLVED FIXED | ||
| Severity: | crash | CC: | arno, dennislveatch, dilfridge, rdieter, scarpino |
| Priority: | NOR | ||
| Version: | unspecified | ||
| Target Milestone: | --- | ||
| Platform: | Compiled Sources | ||
| OS: | OpenBSD | ||
| Latest Commit: | Version Fixed In: | ||
| Sentry Crash Report: | |||
Bug still persists in 4.7.3. If noone want/can debug the problem, maybe just some clues to help me getting it fixed myself? Thanks in advance. I can't reproduce it myself, but I'm working on replacing our current parser with the one from QtCreator, which should hopefully fix it. Looking at your backtrace and gdb output, I can't understand what's going wrong. There's no null pointer or other stuff going on, so I suspect it's trying to access memory that's already been free'd. One thing you can try is commenting out header files in akonadi/akonadi_includes.h and see if that fixes it. Once you've found the culprit, look into this header file and search for some 'unusual' C++ that the parser might not be able to handle properly. Other than that, I don't have any ideas, sorry. Thank you very much! I'll go the way you offered and try to narrow the problem down. If there are any patches regarding QtCreator parser, I could test them. Are they planned for 4.8 or later? Thanks again for your reply. Try this http://pkgs.fedoraproject.org/gitweb/?p=smokegen.git;a=blob;f=smokegen-4.7.0-crash.patch it's a quick-fix we found when valgrind'ing smokegen way back when, not sure how or why it never landed upstream. Oh, i've never seen that patch. thanks :) will apply it. if this fixes it for everybody else, please say so and I'm going to mark this bug as fixed. Fedora's patch seems to work fine. After I apply that patch I built every kdebindings-* with no issues. Git commit 50f01c2d6b28110f8517a77960e456c1125bdb6e by Arno Rehn. Committed on 03/12/2011 at 17:57. Pushed by arnorehn into branch 'KDE/4.7'. fix a crash when generating the akonadi bindings BUG: 283677 M +2 -0 type_compiler.cpp http://commits.kde.org/smokegen/50f01c2d6b28110f8517a77960e456c1125bdb6e Git commit 03d211e51f88c3d2cf26e165d45119f2f28d3731 by Arno Rehn. Committed on 03/12/2011 at 17:57. Pushed by arnorehn into branch 'master'. fix a crash when generating the akonadi bindings BUG: 283677 M +2 -0 type_compiler.cpp http://commits.kde.org/smokegen/03d211e51f88c3d2cf26e165d45119f2f28d3731 *** Bug 288436 has been marked as a duplicate of this bug. *** *** Bug 288758 has been marked as a duplicate of this bug. *** |
Version: 4.7 (using KDE 4.7.1) OS: OpenBSD smokegen segafults when compiling Akonadi binding from smokekde package. Looks like either TypeCompiler::visitPtrOperator() needs more sanity checks for token_text() returning non-empty string, or there are deeper problems. I've never used Smoke, just porting the fresh KDE 4 on OpenBSD. If you need any additional information, I'll be glad to provide it. I hope that I'm not misusing this bugtracker. If I should ask somewhere else, please point me there and sorry for any inconvenience. Reproducible: Always Steps to Reproduce: Simple compile. Actual Results: make -f akonadi/CMakeFiles/smokeakonadi.dir/build.make akonadi/CMakeFiles/smokeakonadi.dir/depend /usr/local/bin/cmake -E cmake_progress_report /usr/ports/pobj/smokekde-4.7.1/build-i386/CMakeFiles 5 [ 79%] Generating smokedata.cpp, x_1.cpp, x_2.cpp, x_3.cpp, x_4.cpp, x_5.cpp, x_6.cpp, x_7.cpp, x_8.cpp, x_9.cpp, x_10.cpp cd /usr/ports/pobj/smokekde-4.7.1/build-i386/akonadi && /usr/local/bin/smokegen -config /usr/ports/pobj/smokekde-4.7.1/build-i386/akonadi/config.xml -smokeconfig /usr/ports/pobj/smokekde-4.7.1/smokekde-4.7.1/akonadi/smokeconfig.xml -I /usr/local/include -- /usr/ports/pobj/smokekde-4.7.1/smokekde-4.7.1/akonadi/akonadi_includes.h using generator "/usr/local/bin/../lib/smokegen/generator_smoke.so" parsing "/usr/ports/pobj/smokekde-4.7.1/smokekde-4.7.1/akonadi/akonadi_includes.h" Segmentation fault (core dumped) *** Error code 139 Expected Results: Expected successful compilation instead. Here is my GDB session, hope this helps. 02:57 0 pers@persx201i:/usr/ports/pobj/smokekde-4.7.1/build-i386/akonadi$ gdb -c smokegen.core /usr/local/bin/smokegen GNU gdb 6.3 Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-unknown-openbsd5.0"... Core was generated by `smokegen'. Program terminated with signal 11, Segmentation fault. Reading symbols from /usr/lib/libpthread.so.13.1...done. Loaded symbols for /usr/lib/libpthread.so.13.1 Reading symbols from /usr/local/lib/qt4/libQtCore.so.9.0...done. Loaded symbols for /usr/local/lib/qt4/libQtCore.so.9.0 Reading symbols from /usr/local/lib/qt4/libQtXml.so.8.0...done. Loaded symbols for /usr/local/lib/qt4/libQtXml.so.8.0 Reading symbols from /usr/local/lib/libcppparser.so.0.0...done. Loaded symbols for /usr/local/lib/libcppparser.so.0.0 Reading symbols from /usr/lib/libstdc++.so.52.0...done. Loaded symbols for /usr/lib/libstdc++.so.52.0 Reading symbols from /usr/lib/libm.so.7.0...done. Loaded symbols for /usr/lib/libm.so.7.0 Symbols already loaded for /usr/lib/libpthread.so.13.1 Reading symbols from /usr/lib/libc.so.60.2...done. Loaded symbols for /usr/lib/libc.so.60.2 Reading symbols from /usr/lib/libz.so.4.1...done. Loaded symbols for /usr/lib/libz.so.4.1 Reading symbols from /usr/local/lib/libgthread-2.0.so.2992.0...done. Loaded symbols for /usr/local/lib/libgthread-2.0.so.2992.0 Reading symbols from /usr/local/lib/libglib-2.0.so.2992.0...done. Loaded symbols for /usr/local/lib/libglib-2.0.so.2992.0 Reading symbols from /usr/local/lib/libintl.so.5.0...done. Loaded symbols for /usr/local/lib/libintl.so.5.0 Reading symbols from /usr/local/lib/libiconv.so.6.0...done. Loaded symbols for /usr/local/lib/libiconv.so.6.0 Reading symbols from /usr/local/lib/libpcre.so.2.5...done. Loaded symbols for /usr/local/lib/libpcre.so.2.5 Reading symbols from /usr/libexec/ld.so...done. Loaded symbols for /usr/libexec/ld.so Reading symbols from /usr/local/lib/smokegen/generator_smoke.so...done. Loaded symbols for /usr/local/bin/../lib/smokegen/generator_smoke.so #0 0x1c031db7 in TypeCompiler::visitPtrOperator (this=0xcfbf9804, node=0x882062a4) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/type_compiler.cpp:194 194 if (token_text(m_session->token_stream->kind(node->op))[0] == '*') { (gdb) bt #0 0x1c031db7 in TypeCompiler::visitPtrOperator (this=0xcfbf9804, node=0x882062a4) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/type_compiler.cpp:194 #1 0x0c6d35a7 in Visitor::visit (this=0xcfbf9804, node=0x882062a4) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/parser/visitor.cpp:113 #2 0x1c0350e6 in visitNodes<PtrOperatorAST*> (v=0xcfbf9804, nodes=0x882062e4) at visitor.h:131 #3 0x1c031c2b in TypeCompiler::run (this=0xcfbf9804, ptr_ops=0x882062e4) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/type_compiler.cpp:106 #4 0x1c032252 in TypeCompiler::run (this=0xcfbf9804, declarator=0x88206274) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/type_compiler.cpp:69 #5 0x1c034255 in TypeCompiler::run (this=0xcfbf9804, node=0x8820621c, declarator=0x88206274) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/type_compiler.cpp:63 #6 0x1c03725b in NameCompiler::visitTemplateArgument (this=0xcfbf9adc, node=0x88206304) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/name_compiler.cpp:188 #7 0x0c6d35a7 in Visitor::visit (this=0xcfbf9adc, node=0x88206304) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/parser/visitor.cpp:113 #8 0x1c037c06 in visitNodes<TemplateArgumentAST*> (v=0xcfbf9adc, nodes=0x88206318) at visitor.h:131 #9 0x1c0366a2 in NameCompiler::visitUnqualifiedName (this=0xcfbf9adc, node=0x88206200) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/name_compiler.cpp:162 #10 0x0c6d35a7 in Visitor::visit (this=0xcfbf9adc, node=0x88206200) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/parser/visitor.cpp:113 #11 0x0c6d2dae in DefaultVisitor::visitName (this=0xcfbf9adc, node=0x882061e8) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/parser/default_visitor.cpp:239 #12 0x0c6d35a7 in Visitor::visit (this=0xcfbf9adc, node=0x882061e8) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/parser/visitor.cpp:113 #13 0x1c036fc1 in NameCompiler::internal_run (this=0xcfbf9adc, node=0x882061e8) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/name_compiler.cpp:123 #14 0x1c0325e7 in TypeCompiler::visitName (this=0x81044300, node=0x882061e8) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/type_compiler.cpp:241 #15 0x0c6d35a7 in Visitor::visit (this=0x81044300, node=0x882061e8) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/parser/visitor.cpp:113 #16 0x0c6d35a7 in Visitor::visit (this=0x81044300, node=0x88206500) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/parser/visitor.cpp:113 #17 0x1c03423f in TypeCompiler::run (this=0x81044300, node=0x88206500, declarator=0x0) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/type_compiler.cpp:60 #18 0x1c01476f in GeneratorVisitor::visitSimpleDeclaration (this=0xcfbf9e78, node=0x8820656c) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/generatorvisitor.cpp:746 #19 0x0c6d35a7 in Visitor::visit (this=0xcfbf9e78, node=0x8820656c) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/parser/visitor.cpp:113 #20 0x1c013515 in GeneratorVisitor::visitTemplateDeclaration (this=0xcfbf9e78, node=0x88206590) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/generatorvisitor.cpp:836 #21 0x0c6d35a7 in Visitor::visit (this=0xcfbf9e78, node=0x88206590) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/parser/visitor.cpp:113 #22 0x0c6d3088 in visitNodes<DeclarationAST*> (v=0xcfbf9e78, nodes=0x882060f4) at visitor.h:131 #23 0x0c6d29a7 in DefaultVisitor::visitLinkageBody (this=0xcfbf9e78, node=0x84225c94) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/parser/default_visitor.cpp:221 #24 0x0c6d35a7 in Visitor::visit (this=0xcfbf9e78, node=0x84225c94) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/parser/visitor.cpp:113 #25 0x0c6d23eb in DefaultVisitor::visitNamespace (this=0xcfbf9e78, node=0x84225c7c) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/parser/default_visitor.cpp:244 #26 0x1c013f75 in GeneratorVisitor::visitNamespace (this=0xcfbf9e78, node=0x84225c7c) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/generatorvisitor.cpp:635 #27 0x0c6d35a7 in Visitor::visit (this=0xcfbf9e78, node=0x84225c7c) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/parser/visitor.cpp:113 #28 0x0c6d3088 in visitNodes<DeclarationAST*> (v=0xcfbf9e78, nodes=0x859e214c) at visitor.h:131 #29 0x0c6d2977 in DefaultVisitor::visitTranslationUnit (this=0xcfbf9e78, node=0x859e2000) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/parser/default_visitor.cpp:394 #30 0x0c6d35a7 in Visitor::visit (this=0xcfbf9e78, node=0x859e2000) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/parser/visitor.cpp:113 #31 0x1c00f6cb in main (argc=Cannot access memory at address 0x0 ) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/main.cpp:229 (gdb) f 0 #0 0x1c031db7 in TypeCompiler::visitPtrOperator (this=0xcfbf9804, node=0x882062a4) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/type_compiler.cpp:194 194 if (token_text(m_session->token_stream->kind(node->op))[0] == '*') { (gdb) l 189 m_realType.appendParameter(Parameter(name_cc.name(), Type::registerType(tc.type()))); 190 } 191 192 void TypeCompiler::visitPtrOperator(PtrOperatorAST* node) 193 { 194 if (token_text(m_session->token_stream->kind(node->op))[0] == '*') { 195 QPair<bool, bool> cv = m_visitor->parseCv(node->cv); 196 pointerDepth.append(cv.first); 197 } else if (token_text(m_session->token_stream->kind(node->op))[0] == '&') { 198 isRef = true; (gdb) p node $1 = (PtrOperatorAST *) 0x882062a4 (gdb) p node->op $2 = 0 (gdb) p m_session $3 = (ParseSession *) 0xcfbf9fe8 (gdb) p m_session->token_stream $4 = (TokenStream *) 0x81043e80 (gdb) p *m_session->token_stream $5 = {tokens = 0x8d9f7000, index = 261265, token_count = 262144} (gdb) p m_session->token_stream->tokens $6 = (Token *) 0x8d9f7000 (gdb) p *m_session->token_stream->tokens $7 = {kind = 0, position = 0, size = 0, session = 0xcfbf9fe8, extra = {right_brace = 0}} (gdb) l TokenStream::kind the class TokenStream does not have any method named kind Hint: try 'TokenStream::kind<TAB> or 'TokenStream::kind<ESC-?> (Note leading single quote.) (gdb) l TokenStream::kind the class TokenStream does not have any method named kind Hint: try 'TokenStream::kind<TAB> or 'TokenStream::kind<ESC-?> (Note leading single quote.) (gdb) l token_text 350 351 Q_ASSERT(0); 352 return 0; 353 } 354 355 char const *token_text(int token) 356 { 357 if (token >= 32 && token <= 127) 358 { 359 return _S_printable[token - 32]; (gdb) l 360 } 361 else if (token >= 1000) 362 { 363 return _S_token_texts[token - 1000]; 364 } 365 366 return 0; 367 } (gdb) p _S_printable $8 = {" ", "!", "\"", "#", "$", "%", "&", "'", "(", ")", "*", "+", ",", "-", ".", "/", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", ":", ";", "<", "=", ">", "?", "@", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "[", "\\", "]", "^", "_", "`", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "{", "|", "}", "~", "\177", "\200"} (gdb) p _S_token_texts $9 = {0x2c6bb290 "K_DCOP", 0x2c6bb297 "Q_OBJECT", 0x2c6bb2b2 "__attribute__", 0x2c6bb2c0 "__typeof", 0x2c6bb891 "&&", 0x2c6bb894 "&=", 0x2c6bbed0 ">", 0x2c6bb2d0 "asm", 0x2c6bb897 "==", 0x2c6bb2d4 "auto", 0x2c6bbf8f "&", 0x2c6bb8e6 "|", 0x2c6bb2e6 "bool", 0x2c6bb2eb "break", 0x2c6bb2f1 "case", 0x2c6bb2f6 "catch", 0x2c6bb2fc "char", 0x2c6bb89a "char_literal", 0x2c6bb301 "class", 0x2c6bb8a7 "comment", 0x2c6bb8af "~", 0x2c6bb8b1 "concat", 0x2c6bb30d "const", 0x2c6bb313 "const_cast", 0x2c6bb31e "continue", 0x2c6bb8b8 "--", 0x2c6bb327 "default", 0x2c6bb32f "delete", 0x2c6bb336 "do", 0x2c6bb339 "double", 0x2c6bb340 "dynamic_cast", 0x2c6bb8bb "...", 0x2c6bb34d "else", 0x2c6bb352 "emit", 0x2c6bb357 "enum", 0x2c6bb897 "==", 0x2c6bb35c "explicit", 0x2c6bb365 "export", 0x2c6bb36c "extern", 0x2c6bb373 "false", 0x2c6bb379 "float", 0x2c6bb37f "for", 0x2c6bb383 "friend", 0x2c6bb8bf ">=", 0x2c6bb38a "goto", 0x2c6bb8c2 "identifier", 0x2c6bc45c "if", 0x2c6bb8cd "++", 0x2c6bb394 "inline", 0x2c6bb39b "int", 0x2c6bb39f "k_dcop", 0x2c6bb3a6 "k_dcop_signals", 0x2c6bb8d0 "<=", 0x2c6bb3b5 "long", 0x2c6bb3ba "mutable", 0x2c6bb3c2 "namespace", 0x2c6bb3cc "new", 0x2c6bbf9b "!", 0x2c6bb8d3 "!=", 0x2c6bb8d6 "number_literal", 0x2c6bb3db "operator", 0x2c6bb8e5 "||", 0x2c6bb8e8 "|=", 0x2c6bb8eb "preproc", 0x2c6bb3e4 "private", 0x2c6bb3ec "protected", 0x2c6bb8f3 "ptrmem", 0x2c6bb3f6 "public", 0x2c6bb3fd "register", 0x2c6bb406 "reinterpret_cast", 0x2c6bb417 "return", 0x2c6bb8fa "::", 0x2c6bb8fd "shift", 0x2c6bb41e "short", 0x2c6bb3ad "signals", 0x2c6bb48a "signed", 0x2c6bb424 "sizeof", 0x2c6bb4ad "size_t", 0x2c6bb42b "slots", 0x2c6bb431 "static", 0x2c6bb438 "static_cast", 0x2c6bb903 "string_literal", 0x2c6bb444 "struct", 0x2c6bb44b "switch", 0x2c6bb452 "template", 0x2c6bb50e "this", 0x2c6bb45b "throw", 0x2c6bb461 "true", 0x2c6bb466 "try", 0x2c6bb46a "typedef", 0x2c6bb472 "typeid", 0x2c6bb479 "typename", 0x2c6bb482 "union", 0x2c6bb488 "unsigned", 0x2c6bb491 "using", 0x2c6bb497 "virtual", 0x2c6bb49f "void", 0x2c6bb4a4 "volatile", 0x2c6bb4b4 "wchar_t", 0x2c6bb4bc "while", 0x2c6bb912 "whitespaces", 0x2c6bb91e "^", 0x2c6bb920 "^="} (gdb) f 1 #1 0x0c6d35a7 in Visitor::visit (this=0xcfbf9804, node=0x882062a4) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/parser/visitor.cpp:113 113 (this->*_S_table[node->kind])(node); (gdb) f 0 #0 0x1c031db7 in TypeCompiler::visitPtrOperator (this=0xcfbf9804, node=0x882062a4) at /usr/ports/pobj/smokegen-4.7.1/smokegen-4.7.1/type_compiler.cpp:194 194 if (token_text(m_session->token_stream->kind(node->op))[0] == '*') { (gdb) l 189 m_realType.appendParameter(Parameter(name_cc.name(), Type::registerType(tc.type()))); 190 } 191 192 void TypeCompiler::visitPtrOperator(PtrOperatorAST* node) 193 { 194 if (token_text(m_session->token_stream->kind(node->op))[0] == '*') { 195 QPair<bool, bool> cv = m_visitor->parseCv(node->cv); 196 pointerDepth.append(cv.first); 197 } else if (token_text(m_session->token_stream->kind(node->op))[0] == '&') { 198 isRef = true; (gdb) l 199 } 200 } 201 202 void TypeCompiler::visitSimpleTypeSpecifier(SimpleTypeSpecifierAST *node) 203 { 204 if (const ListNode<std::size_t> *it = node->integrals) 205 { 206 it = it->toFront(); 207 const ListNode<std::size_t> *end = it; 208 do (gdb)