Date: Wed, 21 Sep 2011 19:27:44 -0500 From: "JimF" <jfoug@....net> To: <john-dev@...ts.openwall.com> Subject: Re: Crash bug on win32-cygwin-x86-any builds Try running the excutable (the x86-any), and run it doing 'real' work. To test, simply make a few lines 32 bytes long of hex chars, and test it using raw-md5 or md5_gen(0). The builds I was doing would crash in an instant, doing 'real' work. But ONLY the x86-any build. Jim. ----- Original Message ----- From: Robert Harris To: john-dev@...ts.openwall.com Sent: Wednesday, September 21, 2011 7:22 PM Subject: RE: [john-dev] Crash bug on win32-cygwin-x86-any builds John-Dev, I successfully compiled JtR 1.7.8 jumbo-6-RC5 with patches 001-005 in Cygwin with win32-cygwin-x86-any and win32-cygwin-x86-sse. (My gcc is v4.6.0) It required no modifications. -Robert B. Harris from VA From: jfoug [mailto:jfoug@....net] Sent: Wednesday, September 21, 2011 12:04 PM To: john-dev@...ts.openwall.com Subject: [john-dev] Crash bug on win32-cygwin-x86-any builds This may be 'similar' to what Alex is seeing on the Mac OSX (or may be totally different). This crash ONLY happens on win32-cygwin-x86-any. All other builds, work just fine. I have gotten it to work. If I build john.o without -O2, things work. Otherwise, I get a core, with this type message: john 3692 exception::handle: Error while dumping state (probably corrupted stack) There is a john.exe.stackdump, but there is nothing in there, other than text like the line above (probably corrupted stack). NO other builds I have show this problem. However, if I do a full build, then remove -O2 from the CFLAGS, then rm john.o so it rebuilds just that file, perform the make, and the file is happy as can be. When I run the 'broken' version under gdb (I know nothing about gdb, so this will be a trial and error thing), it simply bails out, listing: Program received signal SIGSEGV, Segmentation fault. 0x0045bb27 in ?? () So it appears GDB is not getting any form of stack frame. Jim. Content of type "text/html" skipped
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