Date: Wed, 21 Sep 2011 20:19:11 +0400 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: Crash bug on win32-cygwin-x86-any builds On Wed, Sep 21, 2011 at 11:04:27AM -0500, jfoug wrote: > There is a john.exe.stackdump, but there is nothing in there, other than > text like the line above (probably corrupted stack). [...] > 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 ?? () For debugging, you need to remove -fomit-frame-pointer from CFLAGS and -s from LDFLAGS. Also, I think -fomit-frame-pointer is now the default on gcc 4.6.x on 32-bit x86, so you may actually need to pass -fno-omit-frame-pointer if you use very recent gcc. Alexander
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