Date: Mon, 26 Mar 2012 08:50:13 +0200 From: magnum <john.magnum@...hmail.com> To: john-dev@...ts.openwall.com Subject: Re: [JtR patch] Fast cracker for Mozilla Firefox, Thunderbird and SeaMonkey master passwords. On 03/26/2012 05:01 AM, Dhiru Kholia wrote: > On Mon, Mar 26, 2012 at 8:16 AM, Dhiru Kholia <dhiru.kholia@...il.com> wrote: >> On Mon, Mar 26, 2012 at 3:47 AM, magnum <john.magnum@...hmail.com> wrote: >>> I tried profiling without OMP (this will likely show the reason for poor >>> scaling), but it segfaults. Did you try non-OMP after adding OMP >>> support? I won't look further unless you say it's works fine for you. >> >> Strange, where does it segfault? It is working (both OMP and non-OMP) for me. > > I can re-produce the segfault now using -O2 flag. It disappears under > -ggdb flag. > > Program terminated with signal 11, Segmentation fault. > #0 0x00007fe99e5f5e25 in _IO_seekoff_unlocked (fp=0x1ed9b62, > offset=8118, dir=<optimized out>, mode=<optimized out>) at > ioseekoff.c:71 > 71 ioseekoff.c: No such file or directory. > in ioseekoff.c > (gdb) bt > #0 0x00007fe99e5f5e25 in _IO_seekoff_unlocked (fp=0x1ed9b62, > offset=8118, dir=<optimized out>, mode=<optimized out>) at > ioseekoff.c:71 > #1 0x00007fe99e5f76ab in __GI_fseek (fp=0x1ed9b62, offset=<optimized > out>, whence=<optimized out>) at fseek.c:41 > #2 0x0000000000463080 in CrackKeyData () > #3 0x0000000000462c73 in set_salt () > > Looking into it. The KeyCrackData struct has char globalSalt but you read 24 bytes into it in line 122 of KeyDBCracker.c magnum
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