[Webkit-unassigned] [Bug 93765] segfault at 8195d040 ip b547d9a1 sp bfc939a4 error 4 in libjavascriptcoregtk-1.0.so.0.13.2[b5191000+3a9000]

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=93765





--- Comment #4 from Paul Menzel <paulepanter at users.sourceforge.net>  2012-08-29 06:42:26 PST ---
Created an attachment (id=161214)
 --> (https://bugs.webkit.org/attachment.cgi?id=161214&action=review)
Log file from `G_SLICE=always-malloc G_DEBUG=gc-friendly valgrind -v --tool=memcheck --leak-check=full --num-callers=40 --log-file=valgrind.log midori`

Alright, the crash happened again today. *Afterward* I tried to run it under valgrind with the following command.

    G_SLICE=always-malloc G_DEBUG=gc-friendly valgrind -v --tool=memcheck --leak-check=full --num-callers=40 --log-file=valgrind.log midori

Unfortunately Midori was not usable at all and stayed gray all the time, after loading one Web page. `htop` showed that Valgrind was doing something though. In the end I killed the process and I attach the log file. Here is an excerpt from it regarding `libjavascript…`.

==20806== 48 bytes in 1 blocks are possibly lost in loss record 11,590 of 17,587
==20806==    at 0x4828868: malloc (in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==20806==    by 0x528147A: sqlite3MemMalloc (sqlite3.c:15397)
==20806==    by 0x525D15D: mallocWithAlarm (sqlite3.c:18971)
==20806==    by 0x5265246: sqlite3Malloc (sqlite3.c:19004)
==20806==    by 0x52652F6: sqlite3DbMallocRaw (sqlite3.c:19340)
==20806==    by 0x5265340: sqlite3DbMallocZero (sqlite3.c:19284)
==20806==    by 0x526537F: sqlite3ValueNew (sqlite3.c:60233)
==20806==    by 0x527AE0A: sqlite3Error (sqlite3.c:21276)
==20806==    by 0x52807A0: createCollation (sqlite3.c:115387)
==20806==    by 0x52AE637: openDatabase (sqlite3.c:115850)
==20806==    by 0x52AEEE1: sqlite3_open16 (sqlite3.c:116029)
==20806==    by 0x5BAD70C: WebCore::SQLiteFileSystem::openDatabase(WTF::String const&, sqlite3**, bool) (in /usr/lib/libwebkitgtk-1.0.so.0.1
3.2)
==20806==    by 0x5BABDBC: WebCore::SQLiteDatabase::open(WTF::String const&, bool) (in /usr/lib/libwebkitgtk-1.0.so.0.13.2)
==20806==    by 0x5A40033: WebCore::IconDatabase::iconDatabaseSyncThread() (in /usr/lib/libwebkitgtk-1.0.so.0.13.2)
==20806==    by 0x5A401EA: WebCore::IconDatabase::iconDatabaseSyncThreadStart(void*) (in /usr/lib/libwebkitgtk-1.0.so.0.13.2)
==20806==    by 0x6CAEEA1: WTF::threadEntryPoint(void*) (in /usr/lib/libjavascriptcoregtk-1.0.so.0.13.2)
==20806==    by 0x6CAF00D: WTF::wtfThreadEntryPoint(void*) (in /usr/lib/libjavascriptcoregtk-1.0.so.0.13.2)
==20806==    by 0x70E223D: clone (clone.S:130)

I am guessing from »48 bytes in 1 blocks are possibly lost in loss record 11,590 of 17,587« that something is wrong here. Can you figure out what? Or do I need to provide more information?

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