Date: Tue, 16 Apr 2013 11:23:57 +0200 From: magnum <john.magnum@...hmail.com> To: john-dev@...ts.openwall.com Subject: Re: Segfault for hdaa on linux-x86-clang-debug (was: testing all valid()s) On 16 Apr, 2013, at 10:01 , Frank Dittrich <frank_dittrich@...mail.com> wrote: > Benchmarking: HTTP Digest access authentication MD5 [128/128 SSE2 > intrinsics 16x]... > Program received signal SIGSEGV, Segmentation fault. > 0x081368b3 in SSEmd5body (data=0x8417028, out=0x8419618, init=1) at > sse-intrinsics.c:122 > 122 MD5_STEP(MD5_F, a, b, c, d, 0, 0xd76aa478, 7) > (gdb) bt > #0 0x081368b3 in SSEmd5body (data=0x8417028, out=0x8419618, init=1) at > sse-intrinsics.c:122 Hm, data and out are only 8-byte aligned here. They should be 16-byte aligned for SSE2 and this is the cause of the segfault. So why is that? magnum
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